CN218754618U

CN218754618U - Steerable trolley of universal gantry crane

Info

Publication number: CN218754618U
Application number: CN202223112455.1U
Authority: CN
Inventors: 韩际奇; 魏军凯
Original assignee: Henan Xindongfang Crane Group Co ltd
Current assignee: Henan Xindongfang Crane Group Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-28
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a universal gantry crane can turn to dolly relates to hoist technical field, specifically is a universal gantry crane can turn to dolly, comprising a base plate, the bottom of extension board is provided with the buffer, the buffer comprises buffer spring and piston hydraulic cylinder, the bottom of buffer is provided with the driving wheel frame, the both sides of buffer are provided with balance mechanism, balance mechanism comprises two sets of symmetric distribution's butt spring. This universal gantry crane can turn to dolly, through the setting of buffer spring and piston hydraulic cylinder, reached the purpose that improves driving wheel and driving wheel frame life, rethread slider and fixed block sliding connection's setting has reached the purpose of the driving wheel of convenient maintenance, through the setting that sets up the butt spring of two sets of symmetries, the frictional force of wherein one side is great when preventing to carry the wheel to turn to lead to wearing and tearing seriously or the wearing and tearing are unbalanced, further improves the life of driving wheel.

Description

Steerable trolley of universal portal crane

Technical Field

The utility model relates to a hoist technical field specifically is a universal gantry crane can turn to dolly.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range, and the crane is characterized by intermittent motion, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle work alternately, so that the crane is more and more widely developed and used in the market. Light and small-sized hoisting equipment such as: jacks, pneumatic hoists, electric hoists, balance hoists (balance hoists), winches and the like. Gantry type hoisting machines such as beam cranes and the like. Boom-type cranes such as fixed slewing cranes, tower cranes, truck cranes, tire cranes, crawler cranes, etc. Cable hoists such as elevators and the like.

The following conditions are easy to occur when the existing steerable trolley of the crane walks: 1. the dolly buffer capacity is not enough when the operation, make the wheel easily and the junction that turns to dolly bottom can receive the dolly when turning to arouse by turning to the increase of the wheel and the extrusion force degree that turns to the junction one side of dolly bottom, cause tired use, reduce its life, two, the dolly is inside when walking on the track, the wheel need turn to, and the degree of friction of wheel increases when turning to, lead to the wheel wearing and tearing very fast, need in time detect the wheel, waste time and energy, and increase the maintenance cost.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a universal gantry crane can turn to dolly has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a general gantry crane can turn to dolly, includes the bottom plate, the upper surface of bottom plate is provided with gantry crane, gantry crane comprises motor, reducing gear box and reel, the reel sets up the middle part at the bottom plate upper surface, the bottom of extension board is provided with the buffer, the buffer comprises buffer spring and piston hydraulic cylinder, the bottom of buffer is provided with the driving wheel frame, the inside of driving wheel frame is provided with the driving wheel, the both sides of buffer are provided with balance mechanism, balance mechanism comprises two sets of symmetric distribution's butt spring, the upper end fixedly connected with of butt spring goes up the spring holder, and the lower extreme is provided with down the spring holder, spring holder fixed mounting is in the both sides of driving wheel frame down, the bottom of driving wheel is provided with the driving track.

Optionally, the motor is in transmission connection with the reduction gearbox, the reduction gearbox is in transmission connection with the input end of the winding drum, shaft seats are arranged at two ends of the winding drum, the bottoms of the shaft seats are fixedly mounted on the upper surface of the base plate, and a support plate is arranged at the bottom of the motor and mounted on the upper surface of the base plate.

Optionally, the top of the buffer spring is fixedly connected with the bottom surface of the bottom plate, the piston hydraulic cylinder is arranged inside the buffer spring, the bottom of the buffer spring is fixedly connected with the fixing block, and the upper surface of the fixing block is fixedly connected with the bottom of the piston hydraulic cylinder.

Optionally, a groove is formed in the fixed block, a sliding block is connected to the inside of the groove in a sliding manner, a pin shaft is inserted into the upper surface of the fixed block, the bottom of the pin shaft penetrates through the fixed block, and the bottom of the pin shaft is arranged on one side of the sliding block.

Optionally, the top of the travelling wheel frame is rotatably connected with a rotating block, the top of the rotating block is rotatably connected with the bottom of the sliding block, the travelling wheel is arranged in the middle of the travelling wheel frame, the abutting spring is arranged in an inclined manner, and the abutting spring is detachably connected with the lower spring seat.

Optionally, the driving track is provided with a sliding groove, a flange is arranged at the center of the sliding groove, the flange is abutted to the inner portion of the driving wheel, and the outer side of the driving wheel is clamped between the flange and the inner wall of the sliding groove.

(III) advantageous effects

The utility model provides a universal gantry crane can turn to dolly possesses following beneficial effect:

1. this universal gantry crane can turn to dolly, through the setting of buffer spring and piston hydraulic cylinder, when using through buffer spring and piston hydraulic cylinder as the buffer when jack-up, the pressure of driving wheel frame and driving wheel has been cushioned, the purpose that has improved driving wheel and driving wheel frame life has been reached, rethread slider and fixed block sliding connection's setting, when driving wheel damages when using, can dismantle whole driving wheel frame fast, the purpose of convenient maintenance driving wheel has been reached.

2. This universal gantry crane can turn to dolly, through the setting that sets up the butt spring of two sets of symmetries, when using, through the butt spring of symmetry, can be when the driving wheel turns, the butt spring cushions the tangential force that the driving wheel took place to turn to, guarantees the steady operation of driving wheel, and the frictional force of one of them side is great when preventing to drive the wheel and leads to wearing and tearing seriously or wearing and tearing unbalance, further improves the life of driving wheel.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

fig. 3 is a top view of the wheel frame of the present invention;

fig. 4 is a three-dimensional view of the wheel frame of the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a motor; 4. a reduction gearbox; 5. a winding drum; 6. a buffer spring; 7. a piston hydraulic cylinder; 8. a fixed block; 9. a slider; 10. a pin shaft; 11. rotating the block; 12. a traveling wheel frame; 13. a road wheel; 14. a lower spring seat; 15. an abutment spring; 16. an upper spring seat; 17. a running track.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a steerable trolley of a general portal crane comprises a bottom plate 1, wherein the upper surface of the bottom plate 1 is provided with the portal crane, the portal crane consists of a motor 3, a reduction gearbox 4 and a winding drum 5, the motor 3 is in transmission connection with the reduction gearbox 4, the reduction gearbox 4 is in transmission connection with the input end of the winding drum 5, two ends of the winding drum 5 are provided with shaft seats, the bottoms of the shaft seats are fixedly arranged on the upper surface of the bottom plate 1, the bottom of the motor 3 is provided with a support plate 2, the support plate 2 is arranged on the upper surface of the bottom plate 1, the winding drum 5 is arranged in the middle of the upper surface of the bottom plate 1, the bottom of the support plate 2 is provided with a buffer, the buffer consists of a buffer spring 6 and a piston hydraulic cylinder 7, the top end of the buffer spring 6 is fixedly connected with the bottom surface of the bottom plate 1, the piston hydraulic cylinder 7 is arranged inside the buffer spring 6, the bottom of the buffer spring 6 is fixedly connected with a fixed block 8, and the upper surface of the fixed block 8 is fixedly connected with the bottom of the piston hydraulic cylinder 7, a groove is formed in the fixed block 8, the sliding block 9 is connected in the groove in a sliding manner, a pin shaft 10 is inserted into the upper surface of the fixed block 8, the bottom of the pin shaft 10 penetrates through the fixed block 8, the bottom of the pin shaft 10 is arranged on one side of the sliding block 9, a running wheel frame 12 is arranged at the bottom of the buffer, a running wheel 13 is arranged in the running wheel frame 12, balancing mechanisms are arranged on two sides of the buffer and consist of two groups of symmetrically distributed abutting springs 15, an upper spring seat 16 is fixedly connected to the upper end of each abutting spring 15, a lower spring seat 14 is arranged at the lower end of each abutting spring, a rotating block 11 is rotatably connected to the top of the running wheel frame 12, the top of each rotating block 11 is rotatably connected with the bottom of the sliding block 9, the running wheel 13 is arranged in the middle of the running wheel frame 12, each abutting spring 15 is arranged in an inclined manner, and each abutting spring 15 is detachably connected with the lower spring seat 14, the lower spring seats 14 are fixedly installed on two sides of the travelling wheel frame 12, travelling rails 17 are arranged at the bottoms of the travelling wheels 13, sliding grooves are formed in the travelling rails 17, flanges are arranged at the centers of the sliding grooves and are abutted to the inner portions of the travelling wheels 13, and the outer sides of the travelling wheels 13 are clamped between the flanges and the inner walls of the sliding grooves.

When the trolley is used, when the trolley is turned during running, the running wheels 13 run in the grooves of the running track 17, the running wheels 13 at the turning part are subjected to tangential force and tend to incline to one side, at the moment, one of the abutting springs 15 positioned on two sides of the running wheel frame 12 is compressed to press down the running wheel frame 12, the other abutting spring stretches to pull up the running wheel frame 12, and the abutting springs 15 in the pressing direction are opposite to the deviation direction, so that the stress on two sides of the running wheel frame 12 is in a balanced state, the running wheels 13 are prevented from being seriously worn in the running track 17, the service life of the running wheels 13 is prolonged, when the trolley runs in the grooves, the buffer springs 6 and the piston hydraulic cylinders 7 are subjected to pressure during lifting and can be compressed to buffer instantaneous pressure of the running wheel frame 12 and the running wheels 13, the running wheels 13 are prevented from being damaged directly due to the fatigue strength limit, and the abutting springs 15 at the moment can be used as auxiliary buffer mechanisms for auxiliary buffering.

The utility model discloses a theory of operation and beneficial effect: the general portal crane steerable trolley is characterized in that the buffer spring 6 and the piston hydraulic cylinder 7 are arranged, when the trolley is used as a buffer to lift, the pressure of the travelling wheel frame 12 and the travelling wheel 13 is buffered, the service life of the travelling wheel 13 and the service life of the travelling wheel frame 12 are prolonged, the slider 9 is in sliding connection with the fixed block 8, when the travelling wheel 13 is damaged, the whole travelling wheel frame 12 can be rapidly disassembled, the purpose of conveniently maintaining the travelling wheel 13 is achieved, two groups of symmetrical butt springs 15 are arranged, when the trolley is used, the symmetrical butt springs 15 are used, when the travelling wheel 13 turns, the butt springs 15 buffer the tangential force generated by turning of the travelling wheel 13, the stable operation of the travelling wheel 13 is ensured, the phenomenon that the friction force on one side of the travelling wheel 13 is large to cause serious abrasion or unbalanced abrasion is avoided, and the service life of the travelling wheel 13 is further prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A steerable trolley of a universal gantry crane comprises a base plate (1), and is characterized in that: the upper surface of bottom plate (1) is provided with portal crane, portal crane comprises motor (3), reducing gear box (4) and reel (5), reel (5) set up the middle part at bottom plate (1) upper surface, the bottom of motor (3) is provided with extension board (2), the bottom of extension board (2) is provided with the buffer, the buffer comprises buffer spring (6) and piston hydraulic cylinder (7), the bottom of buffer is provided with driving wheel frame (12), the inside of driving wheel frame (12) is provided with driving wheel (13), the both sides of buffer are provided with balance mechanism, balance mechanism comprises two sets of symmetric distribution's butt spring (15), the upper end fixedly connected with upper spring seat (16) of butt spring (15), the lower extreme is provided with down spring seat (14), lower spring seat (14) fixed mounting is in the both sides of driving wheel frame (12), the bottom of driving wheel (13) is provided with driving track (17).

2. The steerable trolley of a universal gantry crane according to claim 1, wherein: the motor (3) is in transmission connection with the reduction gearbox (4), the reduction gearbox (4) is in transmission connection with the input end of the winding drum (5), shaft seats are arranged at two ends of the winding drum (5), the bottoms of the shaft seats are fixedly arranged on the upper surface of the base plate (1), and the support plate (2) is arranged on the upper surface of the base plate (1).

3. The steerable trolley of a universal gantry crane according to claim 1, wherein: the top of buffer spring (6) and the bottom surface fixed connection of bottom plate (1), piston hydraulic cylinder (7) set up the inside at buffer spring (6), the bottom fixedly connected with fixed block (8) of buffer spring (6), the upper surface of fixed block (8) and the bottom fixed connection of piston hydraulic cylinder (7).

4. The steerable trolley of a universal gantry crane according to claim 3, wherein: the improved structure is characterized in that a groove is formed in the fixed block (8), a sliding block (9) is connected to the inside of the groove in a sliding mode, a pin shaft (10) is inserted into the upper surface of the fixed block (8), the fixed block (8) penetrates through the bottom of the pin shaft (10), and the bottom of the pin shaft (10) is arranged on one side of the sliding block (9).

5. The steerable trolley of a universal gantry crane according to claim 4, wherein: the top of the travelling wheel frame (12) is rotatably connected with a rotating block (11), the top of the rotating block (11) is rotatably connected with the bottom of the sliding block (9), the travelling wheel (13) is arranged in the middle of the travelling wheel frame (12), the abutting spring (15) is obliquely arranged, and the abutting spring (15) is detachably connected with the lower spring seat (14).

6. The steerable trolley of a universal gantry crane according to claim 1, wherein: be provided with the spout on driving track (17), the center department of spout is provided with the flange, the inside butt of flange and driving wheel (13), the outside joint of driving wheel (13) is between flange and spout inner wall.