CN211920672U

CN211920672U - Track gauge adjustable hoisting trolley

Info

Publication number: CN211920672U
Application number: CN202020500034.8U
Authority: CN
Inventors: 李秀欣; 李国正; 双标; 杜军峰
Original assignee: Henan Yuhua Lifting Equipment Co ltd
Current assignee: Henan Yuhua lifting equipment Group Co.,Ltd.
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-11-13
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses an adjustable gauge formula hoist dolly relates to hoist technical field, including the sweep, there are front axle and rear axle bottom of sweep through suspension swing joint, the spline has all been seted up to the tip of front axle and rear axle, the middle part fixedly connected with locating wheel of rear axle, the locating hole has been seted up to the circumference of locating wheel. The utility model discloses a set up the spline, can make the gyro wheel cup joint at the outside activity of spline, make the gyro wheel can control the removal at the spline, and it can carry on spacingly at the both ends of gyro wheel through the screw thread to press from both sides the ring, make the rigidity of gyro wheel, the purpose of making wheel base adjustable between the gyro wheel has been reached, through setting up the locating wheel, the locating hole that can utilize the locating wheel circumference cooperates with the locating pin, can make the locating pin insert the locating hole when the electro-magnet is not electrified, make the rear axle can not rotate, lock the position of dolly, reach the purpose of fixing a position the dolly.

Description

Track gauge adjustable hoisting trolley

Technical Field

The utility model relates to a hoist technical field specifically is an adjustable gauge formula hoist dolly.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The crane is a hoisting device which is transversely arranged above workshops, warehouses and material yards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity. The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. In order to ensure the operation safety, the lifting operation without landing legs is basically forbidden in China at present. The hoisting trolley is a part of a crane, the hoisting trolley is an important lifting mechanism and a horizontal moving mechanism of the whole crane, the hoisting trolley is a part of the crane, the hoisting trolley provides hoisting power for the crane, the running safety and the hoisting quality of the crane are directly determined by the mass of the trolley, and the traditional crane trolley is large in size, heavy in weight, poor in applicability and incapable of meeting the requirements of people on increasing height. The hoisting trolley consists of a hoisting mechanism, a running mechanism and a trolley frame, wherein the hoisting mechanism comprises a motor, a brake, a speed reducer, a hoisting drum and a pulley block, the motor drives the hoisting drum to rotate through the speed reducer, so that a steel wire rope is wound on the drum or put down from the drum to complete the lifting work of an article, the hoisting mechanism of the existing crane is formed by assembling all parts together in a connecting mode, the hoisting mechanism is complex to install, wastes time and labor and has high labor intensity, and the trolley frame is an important component part of the crane trolley and is a main mechanism for bearing and supporting the hoisting mechanism and the trolley running mechanism.

At present, the general bearing of the present hoist dolly that is used for on the hoist is great, mainly carries out lateral shifting on the crane span structure when moving, and the function that different hoist dollies possessed is also diversified, but the hoist dolly among the prior art all is track and gauge fixed, and the wheel gauge of hoist dolly can not adjust, receives very big restriction at the application occasion that makes the hoist dolly, can not adapt to the crane span structure of different gauges.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an adjustable gauge formula hoist 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 bottom of the turning plate is movably connected with a front shaft and a rear shaft through a suspension, splines are arranged at the end parts of the front shaft and the rear shaft, rollers are movably sleeved outside the splines, threads are arranged on the outer surface of the splines, clamping rings are abutted to the two ends of the rollers through the threads, a positioning wheel is fixedly connected to the middle of the rear shaft, positioning holes are formed in the circumference of the positioning wheel, a positioning plate is fixedly connected to the bottom of the rollers, a positioning pin matched with the positioning holes is movably connected to the middle of the positioning plate, a connecting plate is fixedly connected to the bottom of the turning plate, and an electromagnet is fixedly connected to one side face of the connecting plate.

Optionally, a winch box body is fixedly connected to the middle of the top of the sweep, and a gearbox is fixedly connected to one side of the top of the sweep.

Optionally, the middle part of the front axle is fixedly connected with a driven belt wheel, the driven belt wheel is connected with an output belt wheel through belt transmission, a notch matched with the belt is arranged on the vehicle plate, and one side surface of the output belt wheel is in transmission connection with an output shaft of the gearbox.

Optionally, the top of the gearbox is fixedly connected with a motor base, the top of the motor base is fixedly connected with a servo motor, an output shaft of the servo motor is connected with an output gear in a transmission manner, the outer part of the output gear is connected with an input gear in a meshing manner, and one side surface of the input gear is connected with an input shaft of the gearbox in a transmission manner.

Optionally, a spring is fixedly connected to one side surface of the positioning pin, one side surface of the positioning plate is fixedly connected to one end of the spring, one end of the positioning pin is matched with the positioning hole, the plurality of positioning holes are distributed on the positioning wheel in an annular array.

Optionally, the bottom of the roller is movably connected with an i-steel, the side face of the roller is provided with gear teeth, and the top of the i-steel is provided with a rack matched with the roller.

Three beneficial effects

The utility model provides an adjustable gauge formula hoist dolly possesses following beneficial effect:

1. this adjustable gauge formula hoist dolly through setting up the spline, can make the gyro wheel cup joint at the outside activity of spline, makes the gyro wheel remove under the spline effect to clamp ring can carry on spacingly at the both ends of gyro wheel through the screw thread, makes the rigidity of gyro wheel, has reached the purpose that makes between the gyro wheel gauge adjustable.

2. This adjustable gauge formula hoist dolly through setting up the locating wheel, can utilize the locating hole and the dowel of locating wheel circumference to cooperate, can make the dowel insert the locating hole when the electro-magnet is not electrified, makes the rear axle can not rotate, locks the position of dolly, reaches the purpose of fixing a position the dolly.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the roller of the present invention.

In the figure: 1. a hoisting box body; 2. turning a plate; 3. a roller; 4. a rack; 5. i-shaped steel; 6. a front axle; 7. a clamping ring; 8. a suspension; 9. an output pulley; 10. a driven pulley; 11. a gearbox; 12. a motor base; 13. an input gear; 14. an output gear; 15. a servo motor; 16. a rear axle; 17. positioning wheels; 18. positioning holes; 19. positioning a plate; 20. positioning a pin; 21. an electromagnet; 22. a connecting plate; 23. a thread; 24. a spline.

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 track gauge adjustable hoisting trolley comprises a trolley plate 2, a hoisting box body 1 is fixedly connected in the middle of the top of the trolley plate 2, a gearbox 11 is fixedly connected to one side of the top of the trolley plate 2, a motor base 12 is fixedly connected to the top of the gearbox 11, a servo motor 15 is fixedly connected to the top of the motor base 12, an output gear 14 is connected to an output shaft of the servo motor 15 in a transmission manner, an input gear 13 is connected to the outer portion of the output gear 14 in an engagement manner, one side surface of the input gear 13 is connected with an input shaft of the gearbox 11 in a transmission manner, a front shaft 6 and a rear shaft 16 are movably connected to the bottom of the trolley plate 2 through a suspension 8, a driven belt wheel 10 is fixedly connected to the middle of the front shaft 6, the driven belt wheel 10 is connected with an output belt wheel 9 through a belt in a transmission manner, a notch matched with a belt is arranged on the trolley plate 2, one side, the external part of the spline 24 is movably sleeved with the roller 3, the external surface of the spline 24 is provided with threads 23, two ends of the roller 3 are abutted with clamping rings 7 through the threads 23, the middle part of the rear shaft 16 is fixedly connected with a positioning wheel 17, the circumference of the positioning wheel 17 is provided with positioning holes 18, the bottom of the roller 3 is fixedly connected with a positioning plate 19, the middle part of the positioning plate 19 is movably connected with a positioning pin 20 matched with the positioning holes 18, one side surface of the positioning pin 20 is fixedly connected with a spring, one side surface of the positioning plate 19 is fixedly connected with one end of the spring, one end of the positioning pin 20 is matched with the positioning holes 18, the positioning holes 18 are provided with a plurality of positioning holes 18 which are distributed on the positioning wheel 17 in an annular array, the bottom of the vehicle plate 2 is fixedly connected with a connecting plate 22, one side surface of the connecting plate 22 is, the top of the I-shaped steel 5 is provided with a rack 4 matched with the roller 3.

When the device is used, firstly the clamping ring 7 on one side surface of the roller 3 is loosened, the clamping ring 7 is rotated along the track of the thread 23, so that the roller 3 can move on the spline 24, then the roller 3 is adjusted to a proper position on the spline 24, then the roller 3 is clamped by the clamping ring 7 on the other end, so that the roller 3 can be fixed on the roller 3, the wheel track of the trolley can be adjusted, the position of the roller 3 can also be fixed after adjustment, the purpose of adjusting the track gauge of the trolley is achieved, when the vehicle plate 2 is moved, firstly the electromagnet 21 is used for adsorbing the positioning pin 20, the positioning pin 20 is separated from the positioning hole 18, then the output gear 14 is driven by the output shaft of the servo motor 15 to rotate, the input gear 13 is meshed with the output gear 14 to rotate, and the speed reducing mechanism in the gearbox 11 is driven, the output belt wheel 9 drives the driven belt wheel 10 to rotate through a belt, so that the driven belt wheel 10 is driven to drive the roller 3 to move on the I-shaped steel 5, after the trolley moves to a proper position, the power supply of the electromagnet 21 is disconnected, the positioning pin 20 moves towards the direction close to the positioning plate 19 under the action of the spring, one end of the positioning pin 20 is inserted into the positioning hole 18, the rear shaft 16 cannot rotate, and the purpose of fixing the position of the trolley is achieved.

In conclusion, the device can enable the roller 3 to be movably sleeved outside the spline 24 through the spline 24, enable the roller 3 to move left and right on the spline 24, enable the clamping ring 7 to limit the two ends of the roller 3 through the threads 23, enable the position of the roller 3 to be fixed, and achieve the purpose of adjusting the wheel track between the rollers 3.

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. The utility model provides an adjustable gauge formula hoist dolly, includes sweep (2), its characterized in that: the bottom of the sweep (2) is movably connected with a front shaft (6) and a rear shaft (16) through a suspension (8), the end parts of the front shaft (6) and the rear shaft (16) are both provided with splines (24), the outside of the spline (24) is movably sleeved with the roller (3), the outer surface of the spline (24) is provided with a thread (23), the two ends of the roller (3) are connected with a clamping ring (7) through threads (23), the middle part of the rear shaft (16) is fixedly connected with a positioning wheel (17), the circumference of the positioning wheel (17) is provided with a positioning hole (18), the bottom of the roller (3) is fixedly connected with a positioning plate (19), the middle part of the positioning plate (19) is movably connected with a positioning pin (20) matched with the positioning hole (18), the bottom of sweep (2) fixedly connected with connecting plate (22), a side fixedly connected with electro-magnet (21) of connecting plate (22).

2. The adjustable gauge winch trolley of claim 1, wherein: the middle of the top of the sweep (2) is fixedly connected with a winch box body (1), and one side of the top of the sweep (2) is fixedly connected with a gearbox (11).

3. The adjustable gauge winch trolley according to claim 1 or 2, wherein: the middle part fixedly connected with driven pulley (10) of front axle (6), driven pulley (10) are connected with output pulley (9) through belt transmission, be equipped with the breach with belt looks adaptation on sweep (2), a side of output pulley (9) is connected with the output shaft transmission of gearbox (11).

4. The adjustable gauge winch trolley of claim 2, wherein: the top fixedly connected with motor cabinet (12) of gearbox (11), the top fixedly connected with servo motor (15) of motor cabinet (12), the output shaft transmission of servo motor (15) is connected with output gear (14), the outside meshing of output gear (14) is connected with input gear (13), a side of input gear (13) is connected with the input shaft transmission of gearbox (11).

5. The adjustable gauge winch trolley of claim 1, wherein: one side face of the positioning pin (20) is fixedly connected with a spring, one side face of the positioning plate (19) is fixedly connected with one end of the spring, one end of the positioning pin (20) is matched with the positioning hole (18), the positioning hole (18) is provided with a plurality of positioning holes (18), and the positioning holes (18) are distributed on the positioning wheel (17) in an annular array mode.

6. The adjustable gauge winch trolley of claim 1, wherein: the bottom swing joint of gyro wheel (3) has I-steel (5), the side of gyro wheel (3) is equipped with the teeth of a cogwheel, the top of I-steel (5) is equipped with rack (4) with gyro wheel (3) looks adaptation.