CN205895971U - Automatic one -way traveling mechanism of conversion formula - Google Patents

Abstract

The utility model provides an automatic one -way traveling mechanism of conversion formula, include frame, main shaft, forward ratchet, reverse ratchet, pin, gear, with gear engagement's rack and pawl, parallel arrangement's forward ratchet and reverse ratchet be equipped with on the main shaft, the main shaft both ends are furnished with and are used for the shaft coupling that links to each other with outside pivot, the pin is located between forward ratchet and the reverse ratchet, and the pin includes plumbing bar and horizon bar, and plumbing bar rotates with the frame and is connected, and plumbing bar rotates around the plumbing bar center pin, inner and the plumbing bar rigid coupling of horizon bar, outer end are equipped with the pawl, the meshing of staggering the time of pawl and forward ratchet, reverse ratchet, the gear is installed on plumbing bar, and the rack setting is at the frame front end, rack and frame sliding connection, and the rack both ends are furnished with respectively that first stir the ejector pin and the ejector pin is stirred to the second. The beneficial effects of the utility model are that: make one -way traveling mechanism action direction automatic switching through being used in the mechanical force of stirring on the ejector pin, simple and practical round is connected to direct the marcing with mechanical equipment of whole mechanism accessible shaft coupling.

Description

A kind of auto-converting type one-way traffic mechanism

Technical field

The utility model is related to a kind of auto-converting type one-way traffic mechanism.

Background technology

Existing walking machine is typically not provided with one-way traffic mechanism, but is operated in the occasions such as heavy grade, vertical plane Plant equipment, for prevent its in operation process backward going and cause the accident, one-way traffic machine need to be installed additional on this kind equipment Structure.The one-way traffic mechanism research being presently used for walking machine is less, thus it is proposed that a kind of auto-converting type one-way traffic Mechanism.

Content of the invention

For avoiding the walking machine working in special occasions to have an accident because reversing downslide, the utility model provides one kind One-way traffic mechanism, this mechanism can make plant equipment not fall back in advance or return operation, is that mechanical work increases by one Part safety guarantee, this mechanism structure is simple, can achieve the conversion of unidirectional aspect by external force.

A kind of auto-converting type one-way traffic mechanism described in the utility model it is characterised in that: include frame, main shaft, Tooth bar and lock pawl that positive ratchet, reverse ratchet, pin, gear are engaged with gear, described main shaft sets equipped with parallel The positive ratchet put and reverse ratchet, described main shaft two ends are furnished with the shaft coupling for being connected with external hinge；Described gear Bar is located between positive ratchet and reverse ratchet, and described pin includes plumbing bar and horizon bar, described plumbing bar and described machine Frame rotates and connects, and described plumbing bar is around plumbing bar central axis；The inner of described horizon bar is affixed with described plumbing bar, Stagger the time and engage with described positive ratchet, described reverse ratchet equipped with lock pawl, wherein said lock pawl in outer end；Described Gear is arranged on described plumbing bar, and described tooth bar is arranged on frame front end, and described tooth bar is slided with described frame It is dynamically connected, and the two ends of described tooth bar are respectively provided with first and stir push rod and second and stir push rod.

The vertical plane that the plumbing bar central shaft of pin is located is the plane of symmetry in gap between positive ratchet and reverse ratchet.

Described pin is the deformable body of t shape, l shape or t shape, l shape.

Described lock pawl is arranged on the outer end of the horizon bar of pin by lock pawl baffle ring, and lock pawl outermost end Distance to the gap plane of symmetry is more than positive ratchet or reverse ratchet inner face to the distance of the gap plane of symmetry.

It is used for preventing the rubber mat plate of horizon bar and frame collision equipped with polylith in described frame.

Described first stirs push rod, second stirs push rod and be attached separately on the bearing of trend of horizontally disposed tooth bar two ends, First stir push rod, second stir push rod and be arranged on the horizontal movement direction of tooth bar.

During use, during plant equipment initially traveling operation, that is, under default situations, pin is located at mechanism's left end, pin end Lock pawl baffle ring and lock pawl couple with the ratchet of positive ratchet.Due to the one-way of ratchet, main shaft can not invert, and reaches list To traveling effect；When plant equipment advances to specified location, external mechanical force can strike second group positioned at front equipment end Dynamic push rod, second stirs push rod band carry-over bar moves to the left, and the engagement of rack and pinion makes the horizon bar rotate counterclockwise of pin Engage with reverse ratchet after 180 °.

During plant equipment return operation, pin is located at mechanism's right-hand member, the lock pawl baffle ring of pin end and lock pawl with anti- Ratchet coupling to ratchet.Due to the one-way of ratchet, main shaft can not invert, and reaches one-way traffic effect；When plant equipment is returned When journey travels to specified location, external mechanical force can strike stirs push rod positioned at the first of front equipment end, and first stirs push rod Band carry-over bar moves right, and the engagement of rack and pinion makes the horizon bar of pin turn clockwise after 180 ° to nibble with positive ratchet Close, return to position during plant equipment initially traveling operation.And so on act on.

The beneficial effects of the utility model are: make the work of one-way traffic mechanism by acting on the mechanical force stirred on push rod Automatically derive conversion with direction；Whole one-way traffic mechanism directly can be connected with plant equipment travel wheel, simply by shaft coupling Practical.

Brief description

Fig. 1 is structure chart of the present utility model (lock pawl is engaged with positive ratchet).

Fig. 2 is structure chart of the present utility model (lock pawl is engaged with reverse ratchet).

Fig. 3 is gear ＆ rack structure figure of the present utility model.

Fig. 4 is ratchet structure figure of the present utility model.

Specific embodiment

Further illustrate the utility model below in conjunction with the accompanying drawings

Referring to the drawings:

A kind of embodiment 1 auto-converting type one-way traffic mechanism described in the utility model, including frame 1, main shaft 2, just The tooth bar 7 engaging with gear to ratchet 3, reverse ratchet 4, pin 5, gear 6 and lock pawl 8, on described main shaft 2 equipped with The positive ratchet 2 be arrangeding in parallel and reverse ratchet 3, described main shaft 2 two ends are furnished with the shaft coupling for being connected with external hinge 21；Described pin 5 is located between positive ratchet 2 and reverse ratchet 3, and described pin 5 includes plumbing bar 51 and horizon bar 52, institute The plumbing bar 51 stated is rotated with described frame 1 and is connected, and described plumbing bar 51 is around plumbing bar central axis；Described horizon bar 52 the inner is affixed with described plumbing bar 51, and outer end is equipped with lock pawl 8, wherein said lock pawl 8 and described positive ratchet 3rd, described reverse ratchet 4 is staggered the time engagement；Described gear 6 is arranged on described plumbing bar 51, and described tooth bar 7 is arranged on machine Frame 1 front end, and described tooth bar 7 is slidably connected with described frame 1, and the two ends of described tooth bar 7 are respectively provided with One stirs push rod 71 and second stirs push rod 72.

The vertical plane that the plumbing bar central shaft of pin 5 is located is the plane of symmetry in gap between positive ratchet 3 and reverse ratchet 4.

The rotation center angle of described plumbing bar 51 is 0～180 °, when defined in it, lock pawl 8 is engaged with positive ratchet 3 Angle is 0 °, and angle when lock pawl 8 is engaged with reverse ratchet 4 is 180 °.

Described pin 5 is the deformable body of t shape, l shape or t shape, l shape, the wherein deformable body preparation method of t shape, l shape For: t shape pin or l shape are rotated 90 °, 180 ° or 270 ° can be it is ensured that have plumbing bar and horizon bar all the time.

Described lock pawl 8 is arranged on the outer end of the horizon bar 52 of pin 5 by lock pawl baffle ring 81, and lock pawl The distance of 8 outermost end to the gap plane of symmetry is more than positive ratchet 3 or reverse ratchet 4 inner face to the distance of the gap plane of symmetry.

It is used for preventing the rubber mat plate (11,12) of horizon bar and frame collision, wherein rubber equipped with two pieces in described frame 1 Rubber cushion plate (11,12) point is listed in plumbing bar 51 both sides.

Described first stirs push rod 71, second stirs push rod 72 and be attached separately to horizontally disposed tooth bar 7 two ends extension side Upwards, first stir push rod 71, second stir push rod 72 and be arranged on the horizontal movement direction of tooth bar 7.

Installation process: positive ratchet 3 and reverse ratchet 4 are reversibly mounted on main shaft 2, and shaft coupling is installed on main shaft 2 two ends. (the present embodiment pin is one of t deformation body, is obtained by t shape pin turns clockwise 90 °)；Lock pawl baffle ring 81 It is arranged on the outer end of pin horizon bar 52 with lock pawl 8, gear 6 is installed on the middle and upper part of the plumbing bar 51 of pin.Pin 5 is by frame Limit five frees degree, pin 5 only rotates around its plumbing bar central axis.Lock pawl 8 is located at positive ratchet 3 or reverse ratchet On the ratchet at 4 edges；Gear 6 and tooth bar 7 stir, by first, the water that push rod 72 stirred by push rod 71 and second with rack-and-pinion form Flat line motion is converted to 180 ° of rotations of pin 5.First stir push rod 71 and second stir push rod 72 with Type of Welding with Tooth bar 7 two ends connect.Tooth bar 7 limits five frees degree by frame, and tooth bar 7 only stirs push rod 71 or second group along first The axis of dynamic push rod 72 does straight reciprocating motion.Rubber mat plate (11,12) is fixed in frame 1, for buffering and stopping two kinds The motion of position lower stop lever 5.

During use, during plant equipment initially traveling operation, that is, under default situations, pin 5 is located at mechanism's left end, pin 5 end The lock pawl baffle ring 81 in portion and lock pawl 8 are coupled with the ratchet of positive ratchet 3.Due to the one-way of ratchet, main shaft 2 can not be anti- Turn, reach one-way traffic effect；When plant equipment advances to specified location, external mechanical force can strike positioned at front equipment end Second stir push rod 72, second stirs push rod 72 band carry-over bar 7 to left movement, and tooth bar 7 makes pin 5 with engaging of gear 6 Engage with reverse ratchet 4 after 180 ° of horizon bar 52 rotate counterclockwise.

During plant equipment return operation, pin 5 is located at mechanism's right-hand member, the lock pawl baffle ring 81 of pin 5 end and lock pawl 8 Couple with the ratchet of reverse ratchet 4.Due to the one-way of ratchet, main shaft 2 can not invert, and reaches one-way traffic effect；Work as machinery When equipment return travels to specified location, external mechanical force can strike stirs push rod 71 positioned at the first of front equipment end, and first Stir push rod 71 band carry-over bar 7 to move right, the engaging of tooth bar 7 and gear 6 makes the horizon bar of pin 5 turn clockwise after 180 ° Engage with positive ratchet 3, return to position during plant equipment initially traveling operation.And so on act on.

Content described in this specification embodiment is only enumerating of the way of realization to utility model design, and this practicality is new The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also wraps Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.

Claims (6)

1. a kind of auto-converting type one-way traffic mechanism it is characterised in that: include frame, main shaft, positive ratchet, reverse ratchet, Tooth bar and lock pawl that pin, gear are engaged with gear, on described main shaft equipped with the positive ratchet be arrangeding in parallel and reversely Ratchet, described main shaft two ends are furnished with the shaft coupling for being connected with external hinge；Described pin be located at positive ratchet with anti- To between ratchet, described pin includes plumbing bar and horizon bar, and described plumbing bar is connected with described gantry rotation, and described Plumbing bar around plumbing bar central axis；The inner of described horizon bar is affixed with described plumbing bar, outer end equipped with lock pawl, wherein Described lock pawl is staggered the time and is engaged with described positive ratchet, described reverse ratchet；Described gear is arranged on described hanging down On bar, described tooth bar is arranged on frame front end, and described tooth bar is connected with described housing slide, and described tooth The two ends of bar are respectively provided with first stirs push rod and second and stirs push rod.

2. as claimed in claim 1 a kind of auto-converting type one-way traffic mechanism it is characterised in that: the plumbing bar central shaft of pin The vertical plane being located is the plane of symmetry in gap between positive ratchet and reverse ratchet.

3. as claimed in claim 1 a kind of auto-converting type one-way traffic mechanism it is characterised in that: described plumbing bar rotational circle Heart angle is 0～180 °.

4. as claimed in claim 2 a kind of auto-converting type one-way traffic mechanism it is characterised in that: described pin be t shape, L shape or the deformable body of t shape, l shape.

5. as claimed in claim 1 a kind of auto-converting type one-way traffic mechanism it is characterised in that: described lock pawl passes through Lock pawl baffle ring is arranged on the outer end of the horizon bar of pin, and the distance of lock pawl outermost end to the gap plane of symmetry is just more than To ratchet or reverse ratchet inner face to the distance of the gap plane of symmetry.

6. as claimed in claim 1 a kind of auto-converting type one-way traffic mechanism it is characterised in that: in described frame equipped with Polylith is used for preventing the rubber mat plate of horizon bar and frame collision.