CN213112261U - Small-tonnage rail-passing crane - Google Patents

Abstract

A small-tonnage over-rail crane relates to the technical field of hoisting equipment, and comprises a bridge crane body, an electric hoist, a traveling rail, a driving wheel set and a driven wheel set; the bridge crane comprises a bridge crane body cart, a traveling rail, a driving wheel set and a driven wheel set, wherein the length direction of the traveling rail is consistent with the length direction of the bridge crane body cart; a movable frame is arranged below the walking track, and one end of the top of the movable frame is correspondingly hinged with the bottom of the main wheel set; the utility model discloses the problem of the unable safety of current bridge crane hoisting bridge crane cart track roof beam below or beyond heavy object has effectively been solved.

Description

Small-tonnage rail-passing crane

Technical Field

The utility model belongs to the technical field of the jacking equipment technique and specifically relates to a small-tonnage is crossed rail hoist is related to.

Background

In the prior bridge crane design, as the cart running mechanism runs on the main beam of the plant, and the trolley and the main hoisting mechanism are arranged above the main beams at two sides, the size and the running limitation of each part exist, and the general hoisting hook runs to two sides and has limit positions, so that the main hoisting hook cannot work below the track of the plant at all; have certain space to the track below because of extreme position, article can be kept in this region a bit, in order to hoist article in this region, some mills adopt the violation handling mode of "askew drawing hangs to one side" to carry out the operation, the danger of violation handling mode greatly increased handling operation, and also caused very big harm to the normal operating of hoist, the hoist is when carrying out this violation operation, can cause dolly and whole hoisting mechanism unstability, the easy accident that takes place, in addition also can lead to wire rope's taking off the groove, cause hoisting mechanism to damage, secondly also can lead to wire rope wearing and tearing, increase accident hidden danger, this kind of phenomenon is that technical staff in the field treats the problem of solving urgently.

Disclosure of Invention

In order to overcome the deficiency in the background art, the utility model discloses a small-tonnage crosses rail hoist.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a small-tonnage rail-passing crane comprises a bridge crane body, an electric hoist, a traveling rail, a driving wheel set and a driven wheel set; the bridge crane comprises a bridge crane body cart, a traveling rail, a driving wheel set and a driven wheel set, wherein the length direction of the traveling rail is consistent with the length direction of the bridge crane body cart; a movable frame is arranged below the walking track, one end of the top of the movable frame is correspondingly hinged with the bottom of the driving wheel set, and the other end of the top of the movable frame is correspondingly and fixedly connected with the bottom of the driven wheel set; one side of the bottom of the moving frame corresponding to the driving wheel set is provided with a cantilever with the length direction consistent with the length direction of the walking track, and the end of the cantilever, which deviates from the moving frame, is provided with an electric hoist.

Preferably, the running rail is a T-shaped guide rail.

Preferably, the initiative wheel group contains wheel carrier, gyro wheel and motor, both sides all are equipped with the gyro wheel that corresponds the contact with the orbital track face of walking in the wheel carrier, and wheel carrier one side is equipped with the motor that is used for driving corresponding gyro wheel, the orbital both sides of walking that correspond at the wheel carrier top all are equipped with length direction and the orbital length direction of walking and correspond unanimous deflector, the both ends of deflector all are equipped with the pulley that corresponds the contact with the vertical face of orbital of walking.

Preferably, the two vertical rods of the moving frame are telescopic rods with adjustable lengths.

Preferably, the two sides of the arm body at one end of the cantilever, which deviates from the moving frame, are both provided with laser ranging sensors.

Preferably, a reinforcing plate is arranged at the position where the cantilever is correspondingly connected with the movable frame.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a small-tonnage rail crane, simple structure, easily assembly, manufacturing cost is lower, one side that the bottom of moving frame and initiative wheelset correspond is equipped with the cantilever that length direction and walking track length direction are unanimous, when needing to hoist and mount bridge crane body cart track roof beam below or when other objects, can drive moving frame through the initiative wheelset and move to the end that bridge crane body cart was equipped with walking track one end, thereby make the cantilever can stretch into the below of bridge crane body cart track roof beam, can carry out the operation of lifting by the hoist, then can drive moving frame and then drive the cantilever to move to the region that bridge crane body cart can lift by crane through the initiative wheelset, avoid appearing askew draw the phenomenon of hanging to one side, effectively improved factor of safety;

the walking track is T type guide rail, initiative wheel group contains wheel carrier, gyro wheel and motor, both sides all are equipped with the gyro wheel that corresponds the contact with the orbital track face of walking in the wheel carrier, and wheel carrier one side is equipped with the motor that is used for driving corresponding gyro wheel, the orbital both sides of walking that correspond at the wheel carrier top all are equipped with length direction and the orbital length direction of walking and correspond unanimous deflector, the both ends of deflector all are equipped with the pulley that corresponds the contact with the vertical face of walking track, can correspond the contact through the vertical face of pulley with the orbital track of walking promptly, guarantee that the owner moves wheelset along rectilinear movement, avoid wheel carrier and the orbital frictional contact of walking, effectively improved the life of owner moves wheelset.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a main wheel set.

In the figure: 1. a crane body; 2. a traveling rail; 3. a main wheel set; 3-1, wheel carrier; 3-2, rollers; 3-3, a motor; 3-4, a guide plate; 3-5, a pulley; 4. a driven wheel set; 5. an electric hoist; 6. moving the frame; 7. a cantilever; 8. a reinforcing plate.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

With reference to the attached drawings 1-2, the small-tonnage rail passing crane comprises a bridge crane body 1, an electric hoist 5, a traveling rail 2, a driving wheel group 3 and a driven wheel group 4; a walking track 2 with the length direction consistent with the length direction of the bridge crane body 1 is arranged at one end of the bottom of the bridge crane body 1, an active wheel set 3 and a passive wheel set 4 are arranged on the track body of the walking track 2 at intervals, the active wheel set 3 is positioned at one side of the walking track 2 close to the end head of the corresponding end of the bridge crane body 1, and the passive wheel set 4 is provided with a driven wheel which can be correspondingly abutted against the bottom of the walking track 2, namely the active wheel set 3 can move to the end head of the corresponding end of the bridge crane body 1 along the walking track 2; a moving frame 6 is arranged below the traveling track 2, one end of the top of the moving frame 6 is correspondingly hinged with the bottom of the driving wheel set 3, the other end of the top of the moving frame 6 is correspondingly and fixedly connected with the bottom of the driven wheel set 4, namely, when one side of the bottom of the moving frame 6, which corresponds to the driving wheel set 3, receives downward pulling force, the moving frame 6 can deflect along the position where the moving frame 6 is correspondingly hinged with the driving wheel set 3, so that a driven wheel at the bottom of the traveling track 2, which corresponds to the driven wheel set 4, is correspondingly abutted against the bottom of the traveling track 2, and the driving wheel set 3 can be always well contacted with the traveling track 2 in the lifting or moving process; according to the requirement, the walking track 2 is a T-shaped guide rail, the main wheel set 3 comprises a wheel carrier 3-1, rollers 3-2 and a motor 3-3, the rollers 3-2 correspondingly contacted with the track surface of the walking track 2 are arranged on two sides in the wheel carrier 3-1, the motor 3-3 used for driving the corresponding rollers 3-2 is arranged on one side of the wheel carrier 3-1, guide plates 3-4 with the length direction corresponding to the length direction of the walking track 2 are arranged on two sides of the top of the wheel carrier 3-1 corresponding to the walking track 2, the pulleys 3-5 correspondingly contacted with the vertical surface of the walking track 2 are arranged on two ends of the guide plates 3-4, namely, the pulleys 3-5 correspondingly contacted with the vertical surface of the walking track 2 can be used for ensuring that the main wheel set 3 moves along a straight line, and avoiding the friction contact between the wheel carrier 3-1 and the walking track 2, the service life of the driving wheel set 3 is effectively prolonged;

a cantilever 7 with the length direction consistent with that of the walking track 2 is arranged on one side of the bottom of the moving frame 6 corresponding to the driving wheel group 3; according to the requirement, a reinforcing plate 8 is arranged at the position where the cantilever 7 is correspondingly connected with the movable frame 6, so that the structural strength of the cantilever 7 can be effectively improved; the end of the cantilever 7 departing from the moving frame 6 is provided with the electric hoist 5, namely when objects below or outside a track beam of the bridge crane body 1 are required to be hoisted, the moving frame 6 is driven to move to the end of one end of the bridge crane body 1 where the traveling track 2 is arranged through the main motor car wheel set 3, so that the cantilever 7 can extend into the lower part of the track beam of the bridge crane body 1, the hoisting operation can be carried out through the electric hoist 5, when the bridge crane body 1 needs to move, the moving frame 6 is driven to retreat and reset through the main motor car wheel set 3, so that the moving frame 6 drives the cantilever 7 to move to the lower part of the bridge crane body 1, and the cantilever 7 is ensured not to be contacted with other objects when the bridge crane body 1 moves; in addition, the two vertical rods of the moving frame 6 are telescopic rods with adjustable lengths, namely the height position of the bottom of the moving frame 6 can be adjusted through the telescopic rods, and then the height position of the cantilever 7 is adjusted, so that the crane rail beam of the bridge crane body 1 with different specifications can be adapted, and the application range is effectively improved; cantilever 7 deviates from one end arm body both sides of moving frame 6 and all is equipped with laser range sensor, can survey the distance between cantilever 7 and the 1 cart track beam pillar of bridge crane body through laser range sensor promptly, avoids cantilever 7 and the 1 cart track beam pillar of bridge crane body to bump and produce the incident, has effectively improved the security performance.

Implement the small-tonnage rail crane, when needing hoist and mount 1 big car track beam below of bridge crane body or object beyond, can drive movable frame 6 through main motor car wheelset 3 and remove the end that is equipped with 2 one ends of walking track to 1 big car of bridge crane body to make cantilever 7 can stretch into the below of 1 big car track beam of bridge crane body, can lift by crane the operation through electric hoist 5, then can drive movable frame 6 and then drive cantilever 7 through main motor car wheelset 3 and remove to the region that 1 dolly of bridge crane body can lift by crane.

The part of the utility model not detailed is prior art.

Claims (6)

1. The utility model provides a small-tonnage passes rail hoist, contains bridge crane body (1) and electric hoist (5), characterized by: the device also comprises a walking track (2), a driving wheel set (3) and a driven wheel set (4); a walking track (2) with the length direction consistent with that of the bridge crane body (1) is arranged at one end of the bottom of the bridge crane body (1) and at the same time, driving wheel sets (3) and driven wheel sets (4) are arranged on the track body of the walking track (2) at intervals, the driving wheel sets (3) are positioned on one side, close to the ends of the corresponding ends of the bridge crane body (1) and on the walking track (2), of the walking track, and the driven wheel sets (4) are provided with driven wheels capable of correspondingly abutting against the bottom of the walking track (2); a movable frame (6) is arranged below the walking track (2), one end of the top of the movable frame (6) is correspondingly hinged with the bottom of the driving motor train wheel set (3), and the other end of the top of the movable frame (6) is correspondingly and fixedly connected with the bottom of the driven motor train wheel set (4); one side that the bottom of moving frame (6) corresponds with main motor car wheelset (3) is equipped with length direction and walking track (2) length direction unanimous cantilever (7), and the end that this cantilever (7) deviates from moving frame (6) is equipped with electric hoist (5).

2. The small tonnage rail passing crane of claim 1, wherein: the walking track (2) is a T-shaped guide rail.

3. The small tonnage rail passing crane of claim 2, wherein: the main wheel set (3) comprises a wheel carrier (3-1), rollers (3-2) and a motor (3-3), wherein the rollers (3-2) in contact with the rail surface of the walking rail (2) are arranged on two sides in the wheel carrier (3-1), the motor (3-3) used for driving the corresponding rollers (3-2) is arranged on one side of the wheel carrier (3-1), guide plates (3-4) with the length directions consistent with the length directions of the walking rail (2) are arranged on two sides of the top of the wheel carrier (3-1) corresponding to the walking rail (2), and pulleys (3-5) in contact with the vertical surface of the walking rail (2) are arranged at two ends of each guide plate (3-4).

4. The small tonnage rail passing crane of claim 1, wherein: two vertical rods of the movable frame (6) are telescopic rods with adjustable lengths.

5. The small tonnage rail passing crane of claim 1, wherein: and laser ranging sensors are arranged on two sides of the arm body at one end of the cantilever (7) departing from the moving frame (6).

6. The small tonnage rail passing crane of claim 1, wherein: and a reinforcing plate (8) is arranged at the position where the cantilever (7) is correspondingly connected with the movable frame (6).

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