CN201359069Y

CN201359069Y - Vertical shaft gearbox

Info

Publication number: CN201359069Y
Application number: CNU2009200231829U
Authority: CN
Inventors: 秦夫锁
Original assignee: TENGZHOU MACHINE TOOL WORKS
Current assignee: TENGZHOU MACHINE TOOL WORKS
Priority date: 2009-03-03
Filing date: 2009-03-03
Publication date: 2009-12-09
Anticipated expiration: 2019-03-03

Abstract

The utility model discloses a vertical shaft gearbox which is simple in structure and comprises a spindle box, wherein a gearbox is mounted on the spindle box; a sliding transmission gear shaft is mounted inside the gearbox in a relatively rotating manner; a shifting slide gear is mounted on the sliding transmission gear shaft in a sliding manner; an on-shaft positioning pit is formed on the sliding transmission gear shaft; the position of the on-shaft positioning pit on the sliding transmission gear shaft corresponds to that of a first power output gear and a second power output gear; an in-wheel positioning hole is formed on the shifting slide gear; an in-wheel positioning spring is arranged in the in-wheel positioning hole; an in-wheel positioning bead in a wheel is arranged at one end of the in-wheel positioning spring; the in-wheel positioning bead props in the on-shaft positioning pit; an in-wheel positioning plug is arranged at the other end of the in-wheel positioning spring; and the in-wheel positioning plug is in threaded connection with the shifting slide gear. The utility model is classified as a vertical shaft gear shift mechanism; the power output shaft thereof, the sliding transmission gear shaft and the input shaft of a motor are parallel to each other and are perpendicular to the horizontal plane; and the problem of disengagement caused by dead weight of shifting slide gears can be solved through two-time positioning in once-through operation.

Description

Vertical shaft gear box

Technical field

The utility model relates to a kind of gear, relates in particular to a kind of vertical shaft gear box.

Background technique

At present, the pto of vertical machine upper gear box all is perpendicular to horizontal plane, and motor input shaft and slippage driving gearshaft all are parallel to horizontal plane, be to realize the transformation of moment from the substantially horizontal to the vertical direction between slippage driving gearshaft and the pto by a pair of umbrella gear engagement, the advantage of this kind gear-box is shifting slide gear accurate positioning when speed change, can not come off because of the deadweight of shifting slide gear, the location is reliable, but the shortcoming of this kind gear-box is a complex structure, and accuracy of manufacturing is poor, noise height, output speed are low.

Summary of the invention

The purpose of this utility model provides a kind of vertical shaft gear box simple in structure.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of vertical shaft gear box comprises headstock, and gear-box is installed on the headstock, and pto and spline housing are installed in the gear-box, is installed with first power output gear and second power output gear on the spline housing; Case lid is installed on the gear-box, motor is installed on the case lid, dynamic input gear is in transmission connection on the live axle of motor, it is characterized in that: be rotatably installed with the slippage driving gearshaft in the gear-box relatively, slippage driving gearshaft one end is fixedly connected with driving gear, and driving gear and power input gear are in transmission connection, and is slidingly fitted with shifting slide gear on the slippage driving gearshaft, shifting slide gear can be meshed with first power output gear, and shifting slide gear also can be meshed with second power output gear; Have a last positioning pit on the slippage driving gearshaft, the position of positioning pit on the slippage driving gearshaft and first power output gear on the axle, second power output gear are corresponding, have positioning hole in the wheel on the shifting slide gear, be provided with retaining spring in the wheel in the wheel in the positioning hole, retaining spring one end is provided with positioning bead in the wheel in the wheel, positioning bead withstands in the last positioning pit in the wheel, and the retaining spring the other end is provided with location plug in the wheel in the wheel, and the location plug is threaded with shifting slide gear in the wheel; Described gear-box outer wall has positioning pit on the case, gear-box is rotatably installed with handle set outward relatively, gear change hand lever is installed on the handle set, the other end of gear change hand lever passes through running shaft; rocking arm is connected with fork; fork and rocking arm are hinged; fork shifting slide gear phase clamping; fork can be stirred shifting slide gear and slide on the slippage driving gearshaft; have an interior positioning hole on the handle set; be provided with an interior retaining spring in the positioning hole in the seat, and retaining spring one end is provided with an interior positioning bead in the seat, and a positioning bead withstands on the case in the positioning pit in the seat; a retaining spring the other end is provided with and locatees a plug in the seat in the seat, and an interior plug of locating is threaded with handle set.

The utility model is a kind of vertical shaft gear, its pto, slippage driving gearshaft and motor input shaft are parallel to each other and perpendicular to horizontal plane, have simplified the structure of present gear-box, have omitted umbrella gear, simple in structure, the accuracy of manufacturing height, noise is low, output speed is high; In addition, the utility model is the installing and locating part in shifting slide gear and on the slippage driving gearshaft, simultaneously again in handle set and the installing and locating part of casing side, carry out dual location, solved shifting slide gear because the off-gear problem that deadweight produces by twice location in the once-through operation, guarantee that the location is reliable, not off-gear.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the A portion enlarged view of Fig. 1;

Fig. 3 is another structural representation of the present utility model;

Fig. 4 is the B portion enlarged view of Fig. 3.

In the accompanying drawing:

1, headstock 2, oil sealing 3, pto

4, first power output gear 5, second power output gear 6, case lid

7, bearing gland 8, spline housing 9, driving gear

10, power input gear 11, motor 12, slippage driving gearshaft

13, positioning pit 14, shifting slide gear 15, gear-box on the axle

16,17, positioning bead in positioning hole 18, the wheel in the wheel

19, locate plug 21, gear change hand lever in retaining spring 20, the wheel in the wheel

22, handle set 23, running shaft 24, rocking arm

25, location plug 27, the interior retaining spring of seat in fork 26, the seat

28, positioning pit on the interior positioning hole 29 of seat, the interior positioning bead 30 of seat, the case

Embodiment

Below in conjunction with the drawings and specific embodiments the utility model is further described:

A kind of vertical shaft gear box, as Fig. 1, shown in Figure 3, comprise headstock 1, gear-box 15 is installed on the headstock 1, pto 3 and spline housing 8 are installed in the gear-box 15, are installed with first power output gear 4 and second power output gear 5 on the spline housing 8; Case lid 6 is installed on the gear-box 15, motor 11 is installed on the case lid 6, dynamic input gear 10 is in transmission connection on the live axle of motor 11, be rotatably installed with slippage driving gearshaft 12 in the gear-box 15 relatively, slippage driving gearshaft 12 1 ends are fixedly connected with driving gear 9, driving gear 9 is in transmission connection with power input gear 10, be slidingly fitted with shifting slide gear 14 on the slippage driving gearshaft 12, shifting slide gear 14 can be meshed with first power output gear 4, and shifting slide gear 14 also can be meshed with second power output gear 5; As shown in Figure 2, have a last positioning pit 13 on the slippage driving gearshaft 12, position and first power output gear 4 of positioning pit 13 on slippage driving gearshaft 12 on the axle, second power output gear 5 is corresponding, have positioning hole 17 in the wheel on the shifting slide gear 14, be provided with retaining spring 19 in the wheel in the wheel in the positioning hole 17, retaining spring 19 1 ends are provided with positioning bead 18 in the wheel in the wheel, positioning bead 18 withstands in the last positioning pit 13 in the wheel, retaining spring 19 the other ends are provided with location plug 20 in the wheel in the wheel, location plug 20 is threaded with shifting slide gear 14 in the wheel, and this positioning device is called first locating piece; As shown in Figure 4, described gear-box 15 outer walls have positioning pit 30 on the case, the gear-box 15 outer handle sets 22 that are rotatably installed with relatively, gear change hand lever 21 is installed on the handle set 22, the other end of gear change hand lever 21 is by running shaft 23; rocking arm 24 is connected with fork 25; fork 25 is hinged with rocking arm 24; fork 25 shifting slide gears 14 phase clampings; fork 25 can be stirred shifting slide gear 14 and slide on slippage driving gearshaft 12; have an interior positioning hole 28 on the handle set 22; be provided with an interior retaining spring 27 in the positioning hole 28 in the seat; retaining spring 27 1 ends are provided with an interior positioning bead 29 in the seat, and a positioning bead 29 withstands on the case in the positioning pit 30 in the seat, and interior retaining spring 27 the other ends of seat are provided with an interior plug 26 of locating; an interior plug 26 of locating is threaded with handle set 22, and this positioning device is called second locating piece.

Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; under the prerequisite that does not break away from the utility model design concept; common engineers and technicians make the technical solution of the utility model in related domain various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.

The utility model has solved the deficiency that vertical machine lacks the vertical shaft speed-change gear box, and the vertical shaft gear box that provides a kind of pto, slippage driving gearshaft and motor input shaft to be parallel to each other can satisfy the demand of the power of vertical machine.

Be installed on the headstock at the utility model middle gear case, case lid is connected on the gear-box, motor is installed on the gland, first power output gear and second power output gear are contained on the spline housing, spline housing installs on the gear-box by bearing, and driving gear is fixed on the slippage driving gearshaft, the slippage driving gearshaft by Bearing Installation on gear-box, power input gear is contained on the live axle of motor, and first locating piece is contained on the shifting slide gear; Gear change hand lever is contained on the handle set, and running shaft links to each other with rocking arm with handle set, and fork snaps into shifting slide gear tooth portion, and can rotate in the rocking arm hole, and second locating piece is contained on the handle set.

During the utility model work, motor gets electric rotation, power input gear rotates, driving driving gear, slippage driving gearshaft and shifting slide gear rotates, gear change hand lever among Fig. 4 is by the second locating piece acting in conjunction among handle set, running shaft, rocking arm, fork, first locating piece and Fig. 2, make shifting slide gear obtain different gears, make spline housing obtain different rotating speeds, export to pto by first power output gear and second power output gear.

Claims

1, a kind of vertical shaft gear box, comprise headstock (1), gear-box (15) is installed on the headstock (1), pto (3) and spline housing (8) are installed in the gear-box (15), be installed with first power output gear (4) and second power output gear (5) on the spline housing (8); Case lid (6) is installed on the gear-box (15), motor (11) is installed on the case lid (6), dynamic input gear (10) is in transmission connection on the live axle of motor (11), it is characterized in that: be rotatably installed with slippage driving gearshaft (12) in the gear-box (15) relatively, slippage driving gearshaft (12) one ends are fixedly connected with driving gear (9), driving gear (9) is in transmission connection with power input gear (10), be slidingly fitted with shifting slide gear (14) on the slippage driving gearshaft (12), shifting slide gear (14) can be meshed with first power output gear (4), and shifting slide gear (14) also can be meshed with second power output gear (5); Have a last positioning pit (13) on the slippage driving gearshaft (12), position and first power output gear (4) of positioning pit on the axle (13) on slippage driving gearshaft (12), second power output gear (5) is corresponding, have positioning hole (17) in the wheel on the shifting slide gear (14), be provided with retaining spring (19) in the wheel in the wheel in the positioning hole (17), retaining spring (19) one ends are provided with positioning bead (18) in the wheel in the wheel, positioning bead (18) withstands in the last positioning pit (13) in the wheel, retaining spring (19) the other end is provided with location plug (20) in the wheel in the wheel, and location plug (20) is threaded with shifting slide gear (14) in the wheel.

2; Vertical shaft gear box according to claim 1; It is characterized in that: described gear-box (15) outer wall has positioning pit on the case (30); The outer handle set (22) that relatively is rotatably installed with of gear-box (15); Gear change hand lever (21) is installed on the handle set (22); The other end of gear change hand lever (21) is by rotating shaft (23); Rocking arm (24) is connected with fork (25); Fork (25) is hinged with rocking arm (24); Fork (25) shifting slide gear (14) phase clamping; Fork (25) can be stirred shifting slide gear (14) and slide at slippage driving gearshaft (12); Have an interior locating hole (28) on the handle set (22); Be provided with an interior retainer spring (27) in the locating hole (28) in the seat; Retainer spring (27) one ends are provided with an interior positioning bead (29) in the seat; Positioning bead (29) withstands in the positioning pit on the case (30) in the seat; Retainer spring (27) other end is provided with location plug (26) in the seat in the seat, and location plug (26) is threaded with handle set (22) in the seat.