CN2295731Y - Worm jack - Google Patents

Worm jack Download PDF

Info

Publication number
CN2295731Y
CN2295731Y CN 97215431 CN97215431U CN2295731Y CN 2295731 Y CN2295731 Y CN 2295731Y CN 97215431 CN97215431 CN 97215431 CN 97215431 U CN97215431 U CN 97215431U CN 2295731 Y CN2295731 Y CN 2295731Y
Authority
CN
China
Prior art keywords
worm
screw
mounted
ratchet
thrust bearing
Prior art date
Application number
CN 97215431
Other languages
Chinese (zh)
Inventor
郭尚智
刘三铁
Original Assignee
郭尚智
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 郭尚智 filed Critical 郭尚智
Priority to CN 97215431 priority Critical patent/CN2295731Y/en
Application granted granted Critical
Publication of CN2295731Y publication Critical patent/CN2295731Y/en

Links

Abstract

The utility model belongs to a worm jack, which comprises a top cover, a lifting sleeve barrel, a screw rod, a worm wheel, a thrust bearing, an endless screw, a ratchet wheel, pusher dogs, a ratchet wheel body, a tommy bar, a base and a machine casing body. The machine casing body is arranged in the base; the lifting sleeve barrel, the worm wheel and the endless screw are arranged in the machine casing body, and the screw rod is arranged in the lifting sleeve barrel. The thrust bearing and the worm wheel are fixed on the screw rod, the ratchet wheel is arranged on the endless screw, the pusher dogs and the tommy bar are arranged in the ratchet wheel body, and the pusher dogs are engaged with the ratchet wheel. The utility model is characterized in that screw rod and the screw threads of a screw ring are double thread, and the endless screw is a three-head endless screw. The utility model has the advantages of large elevating capacity, strong bearing force of engagement, and small friction coefficient.

Description

蜗旋千斤顶 Screw jack

本实用新型属蜗旋千斤顶。 The present invention is a screw jack.

现有的蜗旋千斤顶的升降丝杆为单头螺纹,所用的蜗杆为单头蜗杆,笨重不方便、啮合承受力差、起重能力差一般起重量为1吨;摩擦系数大、传动比小、升降较慢,如要增加起重量,则要加大丝杆和蜗杆直径增大机体体积。 Conventional screw jack lifting screw is a single thread, a worm is used in single head worm, bulky convenient engagement tolerance difference, typically from the weight difference between the lifting capacity of 1 ton; large friction coefficient, is smaller than the transmission , slow down, such as to increase from the weight, and the worm screw will have to increase the diameter increases the volume of the body.

本实用新型的目的是提供一个体积较小、啮合承受力强、传动比较大、摩擦系数较小的蜗旋千斤顶。 The object of the present invention is to provide a small volume, to withstand strong engagement, the transmission is relatively large, the friction coefficient is small screw jack.

本实用新型主要是采取双头螺纹的丝杆和多头数的蜗杆达到本实用新型的目的。 The present invention is mainly adopted and the worm screw thread number of long double purpose to achieve the present invention.

本蜗旋千斤顶包括顶盖、升降套筒、丝杆、蜗轮、推力轴承、蜗杆、棘轮、拨爪、棘轮体、搬杆、底座、机壳体,机壳体安装在底座,升降套筒、蜗轮、蜗杆安装在机壳体内,顶盖紧固在升降套筒顶端,丝杆由紧固在升降套筒下端的螺环安装在升降套筒内,推力轴承紧固在丝杆下端,蜗轮在推力轴承之上紧压推力轴承安装在丝杆,推力轴承安装在底座,蜗杆与蜗轮相啮合,棘轮安装在蜗杆,棘轮体安装在机壳体,拨爪与搬杆安装在棘轮体,拨爪与棘轮相啮合,其特征是:所说的丝杆和螺环的螺纹是双头螺纹;所说的蜗杆是3头蜗杆。 This jack comprises a screw cap, lifting sleeve, screw, worm gear, thrust bearings, worm gear, ratchet, the fingers, the ratchet body, moving the lever, the base, housing, mounted on the base housing, lifting sleeve, worm, the worm mounted in the housing body, the cap is fastened to the top of the lifting sleeve, the sleeve lower end of the lifting screw spiro ring is mounted within the lifting sleeve is fastened by a thrust bearing secured to the lower end of the screw, a worm wheel pressed against a thrust bearing on the thrust bearing mounted on the screw, the thrust bearing is mounted on the base engaged, the worm and the worm wheel, the worm mounted on the ratchet wheel, the ratchet member mounted in the housing, and the transport finger is mounted on ratchet lever member, finger engagement with the ratchet, characterized in that: said threaded screw and spiro rings are two-start thread; three of said worm is a worm.

上述的蜗旋千斤顶,其特征是:蜗杆的导程角为16°-18°。 The above-described jack screw, characterized in that: the worm lead angle of 16 ° -18 °.

由于本实用新型采取上述结构,扩大了啮合接触面积,提高了啮合承受力、传动比较大、升降速度快、摩擦系数较小,特别是降低了共轭齿面间的摩擦系数和接触应力值,与现有同外形尺寸的蜗旋千斤顶相比,起重量增加一倍,与现有同起重量的蜗旋千斤顶相比体积较小;起重量较大,起重量可以达10吨。 Since the present invention taking the above configuration, the engagement of the enlarged contact area, increasing the engaging force receiving transmission is relatively large, fast movements, the friction coefficient is small, in particular reducing the coefficient of friction and contact stress value between the conjugate tooth surfaces, compared with the conventional screw jack of the same dimensions, from the weight of doubled compared with the conventional screw jack from the weight of the small volume; play a greater weight, since the weight can be up to 10 tons.

本实用新型的详细结构由实施例及其附图给出。 The detailed structure of the present invention is given by the embodiments and the accompanying drawings.

图1是本蜗旋千斤顶的沿丝杆中心线的剖视图。 FIG 1 is a cross-sectional view of the present screw jack screw along the centerline.

图2是螺环安装在丝杆的局部放大剖视图。 FIG 2 is a spiro ring is mounted partially enlarged cross-sectional view of the lead screw.

图3是蜗杆的局部放大图。 FIG 3 is a partially enlarged view of the worm.

上述图中:1、顶盖 2、紧固螺钉 3、键4、丝杆 5、升降套筒 6、机壳体 These figures: 1, the cap 2, a fastening screw 3, key 4, the screw 5, lifting sleeve 6, housing

7、螺环 8、蜗轮 9、键10、推力轴承 11、底座 12、蜗杆13、棘轮 14、棘体 15、螺旋压缩簧16、拨爪 17、搬杆 18、矩形螺纹19、蜗杆齿 γ导程角本实用新型实施例的结构见图1,它包括顶盖1、升降套筒5、丝杆4、蜗轮8、推力轴承10、蜗杆12、棘轮13、拨爪16、棘轮体14、搬杆17、底座11、机壳体6,机壳体6底由螺纹安装在底座11,升降套筒5、蜗轮8、蜗杆12安装在机壳体6内,升降套筒5与机壳体6之间由键3定位,顶盖1紧固在升降套筒5的顶端,丝杆4由紧固在升降套筒5下端的螺环7安装在升降套筒5内,推力轴承10紧固在丝杆4下端,蜗轮8在推力轴承10之上紧压推力轴承10安装在丝杆并由键9紧固,推力轴承10安装在底座11,蜗杆12与蜗轮8相啮合,棘轮13安装在蜗杆12,棘轮体14安装在机壳体6,拨爪16与搬杆17安装在棘轮体14,拨爪16与棘轮13相啮合 7, spiro ring 8, the worm wheel 9, the key 10, thrust bearing 11, base 12, worm 13, ratchet 14, the ratchet member 15, helical compression spring 16, finger 17, the transport rod 18, the rectangular thread 19, the worm gear γ guide angle configuration of the present invention shown in Figure 1 of the embodiment, it comprises a cap 1, lifting the sleeve 5, the screw shaft 4, the worm wheel 8, a thrust bearing 10, worm 12, ratchet wheel 13, the fingers 16, the ratchet body 14, conveyed rod 17, base 11, housing 6 and bottom housing 6 mounted on the base by the screw 11, lifting the sleeve 5, the worm 8, the worm 12 is mounted within the housing 6, lifting the sleeve 5 and housing 6 between the positioning by the key 3, the cap 1 fastened to the top of the lifting sleeve 5, 4 by a fastening screw in the lower end of the sleeve 5 spiro ring lifting sleeve 7 is mounted in the elevator 5, the thrust bearing 10 fastened the lower end of the screw 4, the worm wheel 8 is pressed against the thrust bearing 10 on the thrust bearing 10 is mounted on the fastening screw by the key 9, the thrust bearing 10 mounted on the base 11, a worm 12 engaged with the worm wheel 8, the ratchet wheel 13 is mounted on the worm 12, the ratchet member 14 is engaged with the ratchet wheel 16 mounted in housing 13 6, 16 and finger 17 is mounted on the ratchet lever conveyance body 14, finger ,其特征是:所说的丝杆4和螺环7的螺纹是双头螺纹参见图2;所说的蜗杆是3头蜗杆参见图3,本实施例的导程角γ为16°-18°。 , Wherein: said screw thread 4 and the ring 7 is screwed a threaded stud see FIG. 2; the worm of said worm is 3 Referring to Figure 3, the lead angle γ according to the present embodiment is 16 ° -18 °.

Claims (2)

1.一个蜗旋千斤顶,它包括顶盖、升降套筒、丝杆、蜗轮、推力轴承、蜗杆、棘轮、拨爪、棘轮体、搬杆、底座、机壳体,机壳体安装在底座,升降套筒、蜗轮、蜗杆安装在机壳体内,顶盖紧固在升降套筒顶端,丝杆由紧固在升降套筒下端的螺环安装在升降套筒内,推力轴承紧固在丝杆下端,螺轮在推力轴承之上紧压推力轴承安装在丝杆,推力轴承安装在底座,蜗杆与蜗轮相啮合,棘轮安装在蜗杆,棘轮体安装在机壳体,拨爪与搬杆安装在棘轮体,拨爪与棘轮相啮合,其特征是:所说的丝杆和螺环的螺纹是双头螺纹;所说的蜗杆是3头蜗杆。 1. A screw jack, which comprises a cap lifting sleeve, screw, worm gear, thrust bearings, worm gear, ratchet, the fingers, the ratchet body, moving the lever, the base, housing, mounted on the base housing, lifting sleeve, a worm wheel, the worm mounted in the housing body, the cap is fastened to the top of the lifting sleeve, screw in the lower end of the sleeve spiro installed by lifting the lifting sleeve is fastened, the thrust bearing screw fastened lower, spiro wheel is pressed against the thrust bearing mounted on the thrust bearing screw, the thrust bearing is mounted on the base engaged, the worm and the worm wheel, the worm mounted on the ratchet wheel, the ratchet member mounted in the housing, and the transport finger lever mounted the ratchet body, the ratchet finger engagement, characterized in that: said threaded screw and spiro rings are two-start thread; three of said worm is a worm.
2.根据权利要求1所述的蜗旋千斤顶,其特征是:蜗杆的导程角为16°-18°。 2. The screw jack according to claim 1, characterized in that: the worm lead angle of 16 ° -18 °.
CN 97215431 1997-04-24 1997-04-24 Worm jack CN2295731Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97215431 CN2295731Y (en) 1997-04-24 1997-04-24 Worm jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 97215431 CN2295731Y (en) 1997-04-24 1997-04-24 Worm jack

Publications (1)

Publication Number Publication Date
CN2295731Y true CN2295731Y (en) 1998-10-28

Family

ID=33932593

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97215431 CN2295731Y (en) 1997-04-24 1997-04-24 Worm jack

Country Status (1)

Country Link
CN (1) CN2295731Y (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101863428A (en) * 2010-05-22 2010-10-20 东方电气集团东方汽轮机有限公司 Tool special for assembling gas turbine pull rod-type rotor disc and using method thereof
CN102168461A (en) * 2011-03-19 2011-08-31 欧路莎股份有限公司 Jacking device for partitioning shower room
CN103228852A (en) * 2010-05-05 2013-07-31 奥斯蒂尔公司 Moveable and demountable wall panel system for butt-lazed wall panels
CN104528577A (en) * 2014-12-08 2015-04-22 赵宽学 Spiral top extension device
CN104736787A (en) * 2012-08-24 2015-06-24 奥斯蒂尔公司 Modular wall system
CN103228852B (en) * 2010-05-05 2016-12-14 奥斯蒂尔公司 For docking may move and disassembled board wall system of glaze facing-wall board
CN106429940A (en) * 2016-08-30 2017-02-22 江苏泰隆减速机股份有限公司 Speed reducer for opening locking device through pedal

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9206600B2 (en) 2010-05-05 2015-12-08 Allsteel Inc. Modular wall system
US9765518B2 (en) 2010-05-05 2017-09-19 Allsteel Inc. Modular wall system
CN103228852B (en) * 2010-05-05 2016-12-14 奥斯蒂尔公司 For docking may move and disassembled board wall system of glaze facing-wall board
CN103228852A (en) * 2010-05-05 2013-07-31 奥斯蒂尔公司 Moveable and demountable wall panel system for butt-lazed wall panels
US9284729B2 (en) 2010-05-05 2016-03-15 Allsteel Inc. Modular wall system
US10309102B2 (en) 2010-05-05 2019-06-04 Allsteel, Inc. Modular wall system
CN101863428A (en) * 2010-05-22 2010-10-20 东方电气集团东方汽轮机有限公司 Tool special for assembling gas turbine pull rod-type rotor disc and using method thereof
CN101863428B (en) * 2010-05-22 2013-05-29 东方电气集团东方汽轮机有限公司 Tool special for assembling gas turbine pull rod-type rotor disc and using method thereof
CN102168461A (en) * 2011-03-19 2011-08-31 欧路莎股份有限公司 Jacking device for partitioning shower room
CN104736787A (en) * 2012-08-24 2015-06-24 奥斯蒂尔公司 Modular wall system
CN104528577A (en) * 2014-12-08 2015-04-22 赵宽学 Spiral top extension device
CN104528577B (en) * 2014-12-08 2019-03-26 赵宽学 Spiral top stretches device
CN106429940A (en) * 2016-08-30 2017-02-22 江苏泰隆减速机股份有限公司 Speed reducer for opening locking device through pedal

Similar Documents

Publication Publication Date Title
US7644783B2 (en) Power tool gear-train and torque overload clutch therefor
US7874303B2 (en) Sliding device used on the supporting shaft
CN100458227C (en) Method and device for power transmission with load-sensing thrust amplifying mechanism
US5201242A (en) Coupling for supporting a front fork in the head tube of a bicycle
US6345678B1 (en) Scooter
US6967302B2 (en) Freewheel coupling device for a spring-loaded operating mechanism for a high-voltage circuit-breaker
US4346633A (en) Spark plug wrench adapted for adjustable torque
BR0200295A (en) Mounting unit for a component and at least one screw
EP1424260A3 (en) Steering apparatus
US5799371A (en) Pivoting joint
CA2521634A1 (en) Drive mechanisms suitable for use in drug delivery devices
US20160236335A1 (en) Torque screwdriver
JPS6412165A (en) Latchet type tensioner with backlash
US20070034059A1 (en) Adjustment Tool
BR9805999A (en) Syringe
CA2219390A1 (en) Syringe with a luer-lok portion
EP1564124A3 (en) Bicycle computer and handlebar assembly with bicycle computer
CN100353105C (en) Safety valve for timer
JPS55119714A (en) Remote operation pressure regulator
US20070075987A1 (en) Retraction mechanism of light pen
US20050039301A1 (en) Hinge assembly
JPH02174942A (en) Pipetting device
US20140044499A1 (en) Self-tapping screw
US5493482A (en) Enhanced portable fluorescent work light
EP0417265B1 (en) Portable information processing device with adjustable screen

Legal Events

Date Code Title Description
C14 Granted
C19 Lapse of patent right due to non-payment of the annual fee