CN214656245U - Front axle steering mechanism for resonance crusher - Google Patents

Abstract

The utility model relates to the technical field of road engineering machinery, in particular to a front axle steering mechanism for a resonance crusher, which comprises a front axle frame and wheels, wherein the wheels are arranged at two ends of the front axle frame; front axle frame both ends symmetry is equipped with two turning arms, turning arm one end symmetric connection has two rocking arms, the turning arm other end and wheel swing joint, and two rocking arm one end is passed through two-way hydro-cylinder swing joint, sets up uide bushing and connecting pin axle down on the preceding crane span structure for the breaker elevating system that the cooperation is supporting mutually, simultaneously, guarantees both sides synchronous motion through two-way hydro-cylinder, guarantees that the speed that turns to of card two-wheeled is unanimous, can effectual improve equipment's operation flexibility, simple structure is compact moreover, reliable operation.

Description

Front axle steering mechanism for resonance crusher

Technical Field

The utility model relates to a road engineering machine tool technical field, concretely relates to a front axle steering mechanism for resonance breaker.

Background

The pavement resonance crusher is a pavement crushing machine, adopts a resonance technology to enable the vibration frequency of a vibration hammer head to be close to the natural frequency of a cement pavement, excites resonance, accordingly easily crushes the cement pavement, and has the advantages of strong power, reliable work and the like.

The steering of the road surface resonance crusher is completed by driving the front axle steering mechanism, and the traditional front axle steering mechanism has the problems of labor operation, poor flexibility and accuracy, inconsistent steering speed of two wheels, insufficient working reliability and the like due to the large volume and mass of the road surface resonance crusher.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a front axle steering mechanism for resonance sets up uide bushing and connecting pin axle down on the preceding crane span structure for the breaker elevating system that the cooperation matches simultaneously, guarantees both sides synchronous motion through two-way hydro-cylinder, guarantees that the speed of turning to of card two-wheeled is unanimous, can effectual improve equipment's flexibility of operation, simple structure is compact moreover, reliable operation.

The utility model discloses the technical scheme who specifically adopts is:

a front axle steering mechanism for resonance comprises a front axle frame, wherein the front axle frame is used as a main body structure of a front axle structure and is used as an installation base body and a main body stress structure of other components. The front axle frame is provided with wheels at two ends, the wheel structure is a wheel structure in the prior art and comprises a rotating hub, a rim arranged on the rotating hub and a tire arranged on the rim, and the rotating hubs are movably arranged at two ends of the front axle frame to realize the steering of the wheels.

Front axle frame both ends symmetry is equipped with two turning arms, turning arm one end symmetric connection has two rocking arms, turning arm one end and rocking arm one end swing joint, generally uses rotatable round pin axle, and the other end is connected with the rotation wheel hub, and the other end of rocking arm passes through two-way hydro-cylinder swing joint. The crank arm is curved toward the center. The rocker arm and the crank arm are arranged on the side face of the front bridge frame in parallel to the ground, the rocker arm and the crank arm can move in the horizontal direction, and the crank arm and the rotating hub can rotate in the horizontal direction.

The horizontal position of the bidirectional oil cylinder is arranged on the front bridge frame and is positioned at the same side of the rocker arm and the crank arm, so that the center of the bidirectional oil cylinder is aligned with the center of the front bridge frame, the bidirectional oil cylinder is ensured to be arranged on the front bridge frame in a central symmetry manner, output shafts at two ends of the bidirectional oil cylinder are connected with the rocker arm, and the two output shafts are usually connected by using a pin shaft, so that the rocker arm can also horizontally rotate around the end of the output shaft. Because the output shafts at the two ends of the bidirectional oil cylinder are actually one output shaft, the output shafts can always keep the ends to synchronously move in the same direction when moving, the rocker arms and the crank arms are driven to rotate in the same amplitude and the same direction, the rotating hubs are driven to rotate, and finally the wheels at the two sides can turn at the same amplitude and speed.

Two lower guide sleeves are installed on the upper side of the front bridge frame, the lower guide sleeves are matched with guide sleeves on a frame of the crusher to form sleeves, connecting pin shafts are arranged in the lower guide sleeves, the connecting pin shafts are installed on the front bridge frame in the lower guide sleeves, and the connecting pin shafts are installed on the front bridge frame through a base and are used for being connected with a lifting device of the crusher. Correspondingly, a guide sleeve is also arranged on the rear frame of the crusher, and the guide sleeve on the rear frame and the lower guide sleeve form a complete barrel structure. The lifting device is an oil cylinder, a cylinder body of the oil cylinder is arranged in the guide sleeve, the bottom of the cylinder body is fixed at the upper end port of the guide sleeve, and an output shaft of the oil cylinder penetrates through a sleeve structure of the guide sleeve and the lower guide sleeve to be connected with the connecting pin shaft. The lifting mechanism is used for lifting the frame of the crusher, when the oil cylinder outputs, the output shaft extends, and as one end of the output shaft is connected with the connecting pin shaft and the position of the output shaft is fixed on the front bridge, the output shaft cannot extend downwards, and the oil cylinder body moves upwards to drive the connected guide sleeve to move upwards, so that the whole frame is lifted upwards, and the lifting effect of the frame is achieved.

The utility model discloses a theory of operation is:

the output shaft of the bidirectional oil cylinder moves in one direction, namely the output shaft at one end extends, the output shaft at the other end synchronously shortens at the same speed, the rocker arms at two sides are driven to horizontally rotate in the same direction at the same speed, the corresponding crank arms are driven to horizontally rotate in the same direction at the same speed, and the crank arms drive the corresponding rotating hubs to rotate in the same direction at the same speed, so that the steering of the wheels is completed; when the frame needs to be lifted, the oil cylinder on the frame outputs, the guide sleeve is matched with the lower guide sleeve to guide, and the frame is lifted.

Compared with the prior art, the utility model discloses the advantage is:

1) the front bridge frame is provided with a lower guide sleeve and a connecting pin shaft which can be matched with a matched crusher lifting mechanism;

2) the two sides of the two-way oil cylinder are ensured to synchronously move, the steering speeds of the two wheels are ensured to be consistent, the operation flexibility of the equipment can be effectively improved, and the two-way oil cylinder is simple and compact in structure and reliable in operation;

3) the power-assisted steering of the wheels is realized by controlling the oil inlet and outlet of the two-way oil cylinder, and the hydraulic steering operation is convenient and labor-saving;

4) the crank arm is bent towards the center of the front bridge frame, so that the interference between the wheels and the crank arm is avoided, and the structure is compact.

Drawings

Fig. 1 is a structural view of the present application (a sectional view at a right wheel).

In the figure, the device comprises a wheel 1, a wheel 2, a front bridge frame 3, a lower guide sleeve mounting position 4, a connecting pin shaft 5, a tire 6, a rotating hub 7, a bidirectional oil cylinder 8, an output shaft 9, a rocker arm 10 and a crank arm.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in the figure, the front axle steering mechanism for resonance comprises a front axle frame 2, wherein the front axle frame 2 is used as a main body structure of a front axle structure, is horizontally arranged, and is used as a mounting base body and a main body stress structure of other components. The front axle frame both ends installation wheel 1, wheel 1 structure is prior art's wheel structure, divide into rotation wheel hub 6 and tire 5.

Two crank arms 10 are symmetrically arranged at two ends of the front bridge frame 2, and for convenience of description, the left crank arm 10 is taken as a basis for description. A bidirectional oil cylinder 7 is arranged on one side of the front bridge frame 2 close to the rear bridge direction of the crusher, and the center line of the bidirectional oil cylinder 7 is aligned with the center line of the front bridge frame 2, so that the two sides of the center line are ensured to be symmetrical. The left end output shaft 8 of the bidirectional oil cylinder 8 is connected with the right end of the rocker arm 9 through a pin shaft, the rocker arm 9 can rotate horizontally around the pin shaft, the left end of the rocker arm 9 is connected with the right end of the connecting lever 10 through the pin shaft, the connecting lever 10 can also rotate horizontally around the pin shaft, and the left end of the connecting lever 10 is connected with the left rotating hub 6, so that the connecting lever 10 can push or pull the rotating hub 6 to rotate horizontally. The crank arm 10 is shaped like a crank bent toward the center of the bridge, and can avoid friction with the tire 5 during steering and hindrance to steering.

The front axle is bilaterally symmetrical by taking the central line as a reference, the structure on the right side and the structure on the left side are mirror symmetrical structures, and the connection mode is the same. An output shaft at the right end and an output shaft at the left end of the bidirectional oil cylinder 7 are respectively an output shaft inside the oil cylinder, when one end of the output shaft extends, the other end correspondingly shortens synchronously, and the effect of synchronous steering of wheels at two sides can be achieved.

Two lower guide sleeves are welded on the upper side of the front bridge frame 2 and are mounted on the lower guide sleeve mounting positions 3 through bolts, so that the lower guide sleeves are sleeved on the outer sides of the connecting pin shafts. Lower uide bushing perpendicular to front axle frame 2 upwards extends, and lower uide bushing forms the sleeve with the uide bushing on the breaker frame and cooperates, is equipped with connecting pin axle 4 in the uide bushing down, and connecting pin axle 4 passes through the base bolt fastening on front axle frame 2 in uide bushing 3 down for connecting pin axle 4 can rotate on the base for connect the elevating gear of breaker. Correspondingly, a guide sleeve is also arranged on the rear frame of the crusher, and the guide sleeve on the rear frame and the lower guide sleeve form a complete barrel structure. The lifting device is an oil cylinder, the cylinder body of the oil cylinder is arranged in the guide sleeve, the bottom of the cylinder body is welded at the upper end port of the frame guide sleeve, and the output shaft of the oil cylinder penetrates through a sleeve structure formed by the frame guide sleeve and the lower guide sleeve to be connected with the connecting pin shaft 4, so that the end point position of the output shaft of the oil cylinder is fixed and cannot extend towards the front bridge frame 2. The lifting device is used for lifting the frame of the crusher, when the oil cylinder outputs, the output shaft extends, and because one end of the output shaft is connected with the connecting pin shaft 4, the output shaft cannot extend downwards, the oil cylinder body moves upwards to drive the connected guide sleeve to move upwards, so that the whole frame is lifted upwards, and the lifting effect of the frame is achieved.

Claims (6)

1. A front axle steering mechanism for a resonance crusher comprises a front axle frame and wheels, wherein the wheels are arranged at two ends of the front axle frame;

two ends of the front axle frame are symmetrically provided with two crank arms, one ends of the crank arms are symmetrically connected with two rocker arms, the other ends of the crank arms are movably connected with wheels, and one ends of the two rocker arms are movably connected through a two-way oil cylinder.

2. The front axle steering mechanism for a resonance crusher according to claim 1, further comprising a lifting device, wherein the lifting device is arranged in the lower guide sleeve, and one end of the lifting device is connected with the connecting pin shaft.

3. The front axle steering mechanism for the resonance crusher as claimed in claim 1, wherein the wheel comprises a steering hub, a rim and a tire, the steering hub is connected with the front axle frame, the rim is connected with the steering hub, and the tire is arranged on the rim;

the crank arm is movably connected with the steering wheel hub.

4. The front axle steering mechanism for the resonance crusher as claimed in claim 1, wherein the bidirectional cylinder is connected with the front axle frame, and output shafts at both ends of the bidirectional cylinder are movably connected with symmetrical rocker arms respectively.

5. The front axle steering mechanism for a resonance crusher of claim 1, wherein the bi-directional cylinder, the rocker arm and the crank arm are all horizontally parallel to the front axle frame.

6. The front axle steering mechanism for a resonance crusher in accordance with claim 1, wherein said crank arms are curved in the direction of the center of the front axle frame.

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