CN210505269U

CN210505269U - Cart running mechanism of crane

Info

Publication number: CN210505269U
Application number: CN201921462269.6U
Authority: CN
Inventors: 王艳梅; 黄克文; 崔红勋; 毛庆华; 邵东亮; 崔红哲
Original assignee: Henan Shengyuan Hoisting Machinery Co ltd
Current assignee: Henan Shengyuan Hoisting Machinery Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-12
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a cart running gear of hoist, including shell, electric putter and control box, the left side and the right side of shell all are provided with the mounting box, electric putter installs the inside at the mounting box, the front side at the shell is installed to the control box, the output of motor is connected with changes the roller, the inner wall has all welded the bearing block around the inside of shell, and the inboard of bearing the block is provided with the connecting roller, the inboard of connecting roller is fixed with the second gear, and the medial surface welding of second gear has the collar, the inboard of collar is provided with the head rod, and the outside of head rod is fixed with the action wheel, the left side of action wheel is provided with from the driving wheel, and from the inboard fixedly connected with second connecting rod of driving wheel. This cart operating device of hoist through the height that reduces the electro-magnet for the shell is quick static, the simple operation, and simple structure is convenient for maintain, conveniently changes the action wheel and follows the driving wheel.

Description

Cart running mechanism of crane

Technical Field

The utility model relates to a crane cart running gear technical field specifically is a cart running gear of hoist.

Background

In order to adjust the direction of the lifting hook on the crane, the main beam on the crane needs to be moved, the structure of the main beam moving back and forth on the end beam is a cart running mechanism of the crane, wheels run stably, and the safety of the crane can be ensured.

However, when the motor on the driving wheel of the cart running mechanism of the existing crane stops rotating, due to inertia, the housing can continue to move and cannot be fast and static, a brake needs to be installed on the driving wheel, the brake is complex in structure, inconvenient to operate and inflexible, and is inconvenient to open the inner space of the housing, so that maintenance is inconvenient, the driving wheel and the driven wheel are fixedly installed on the inner side of the housing, and the driving wheel and the driven wheel are inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cart running gear of hoist to when solving the motor stall on the cart running gear action wheel of the current hoist that proposes in the above-mentioned background art, because inertia, the shell can continue to remove, can not be fast static, the braking structure is complicated, the inconvenient interior space of opening the shell, thereby be not convenient for maintain, the action wheel and from the inboard of driving wheel fixed mounting at the shell, inconvenient change action wheel and from the problem of driving wheel.

In order to achieve the above object, the utility model provides a following technical scheme: a cart running mechanism of a crane comprises a shell, an electric push rod and a control box, wherein the left side and the right side of the shell are respectively provided with a mounting box, the electric push rod is arranged in the mounting box, the output end of the electric push rod is fixedly connected with an electromagnet, the control box is arranged on the front side of the shell, the right side of the control box is provided with a motor arranged on the front side surface of the shell, the output end of the motor is connected with a rotating roller, the front end and the rear end of the rotating roller are respectively fixed with a first gear, the front inner wall and the rear inner wall of the shell are respectively welded with a bearing block, the inner side of the bearing block is provided with a connecting roller, the inner side of the connecting roller is fixed with a second gear, the inner side surface of the second gear is welded with a mounting ring, the inner side of the mounting ring is provided with a first connecting rod, and the inner side of the driven wheel is fixedly connected with a second connecting rod.

Preferably, the left end and the right end of the shell are both in an open structure, and the vertical center line of the electromagnet and the vertical center line of the shell are overlapped.

Preferably, the first gear, the second gear, the connecting roller and the driving wheel form a linkage mechanism, and the connecting roller is rotatably connected with the bearing block.

Preferably, the first connecting rod is connected with the mounting ring through a screw, and the shortest distance between the second gear and the second gear is greater than the length of the first connecting rod.

Preferably, the outer side surfaces of the first connecting rod and the second connecting rod are overlapped with the central line of the mounting ring, and the shortest distance between the driving wheel and the mounting ring and the shortest distance between the driven wheel and the mounting ring are equal to one half of the length of the mounting ring.

Preferably, the front side and the rear side of the second connecting rod are both provided with mounting rings, and the second connecting rod is connected with the mounting rings through screws.

Compared with the prior art, the beneficial effects of the utility model are that: according to the cart running mechanism of the crane, the shell is quickly static by reducing the height of the electromagnet, the operation is convenient, the structure is simple, the maintenance is convenient, and the driving wheel and the driven wheel are convenient to replace;

1. the electric push rod is opened when the motor stops rotating, and the lower surface of the electromagnet is tightly attached to a track below the driving wheel under the action of the electric push rod, so that the driving wheel stops rotating quickly, and the shell is static quickly;

2. the mounting box is fixed on the left side and the right side of the shell through screws, so that the mounting box is taken down from the shell, the shell is convenient to open, and devices in the shell are convenient to maintain;

3. be provided with collar, head rod, action wheel, follow driving wheel and second connecting rod, head rod and second connecting rod all pass through the fix with screw on the collar, the dismantlement installation between head rod and second connecting rod and the collar of being convenient for to be convenient for take off the action wheel and follow the driving wheel, be convenient for change the action wheel and follow the driving wheel.

Drawings

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

FIG. 2 is a side view of the cutting structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the second connecting rod and the mounting ring of the present invention;

fig. 4 is a schematic view of the overall structure of the present invention.

In the figure: 1. a housing; 2. mounting a box; 3. an electric push rod; 4. an electromagnet; 5. a control box; 6. a motor; 7. rotating the roller; 8. a first gear; 9. a bearing block; 10. a connecting roller; 11. a second gear; 12. a mounting ring; 13. a first connecting rod; 14. a driving wheel; 15. a driven wheel; 16. a second connecting rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a cart running mechanism of a crane comprises a shell 1, a mounting box 2, an electric push rod 3, an electromagnet 4, a control box 5, a motor 6, a rotating roller 7, a first gear 8, a bearing block 9, a connecting roller 10, a second gear 11, a mounting ring 12, a first connecting rod 13, a driving wheel 14, a driven wheel 15 and a second connecting rod 16, wherein the mounting box 2 is arranged on the left side and the right side of the shell 1, the electric push rod 3 is mounted in the mounting box 2, the output end of the electric push rod 3 is fixedly connected with the electromagnet 4, the control box 5 is mounted on the front side of the shell 1, the motor 6 mounted on the front side of the shell 1 is arranged on the right side of the control box 5, the rotating roller 7 is connected with the output end of the motor 6, the first gear 8 is fixed on each of the front end and the rear end of the rotating roller 7, the bearing blocks 9 are welded on the front inner wall and the rear wall of the, a second gear 11 is fixed on the inner side of the connecting roller 10, a mounting ring 12 is welded on the inner side surface of the second gear 11, a first connecting rod 13 is arranged on the inner side of the mounting ring 12, a driving wheel 14 is fixed on the outer side of the first connecting rod 13, a driven wheel 15 is arranged on the left side of the driving wheel 14, and a second connecting rod 16 is fixedly connected on the inner side of the driven wheel 15;

as shown in fig. 1, 2 and 3, the first gear 8, the second gear 11, the connecting roller 10 and the driving wheel 14 form a linkage mechanism, and the connecting roller 10 is rotatably connected with the receiving block 9, so as to improve the stability of the driving wheel 14 and the driven wheel 15, the first connecting rod 13 is connected with the mounting ring 12 by a screw, and the shortest distance between the second gear 11 and the second gear 11 is greater than the length of the first connecting rod 13, so as to facilitate the dismounting and mounting between the first connecting rod 13 and the mounting ring 12, the outer side surfaces of the first connecting rod 13 and the second connecting rod 16 are coincident with the center line of the mounting ring 12, and the shortest distance between the driving wheel 14 and the mounting ring 12 and the shortest distance between the driven wheel 15 and the mounting ring 12 are equal to one half of the length of the mounting ring 12, so as to facilitate the removal of the driving wheel 14 and the driven wheel 15 from the inner side of the mounting ring 12, and the replacement of the driving wheel, the front side and the rear side of the second connecting rod 16 are both provided with mounting rings 12, and the second connecting rod 16 is connected with the mounting rings 12 by screws, so that the second connecting rod 16 and the mounting rings 12 can be conveniently detached and mounted;

as shown in fig. 1 and 4, the left end and the right end of the housing 1 are both in an open structure, and the vertical center line of the electromagnet 4 and the vertical center line of the housing 1 are overlapped with each other, so that the interior of the housing 1 is maintained conveniently, the electromagnet 4 is parallel to the driving wheel 14 and the driven wheel 15, the electromagnet 4 is located above the track, and the electromagnet 4 can be in contact with the track.

The working principle is as follows: when the crane needs to move, firstly, the motor 6 in fig. 2 is turned on, the motor 6 drives the first gear 8 to rotate through the rotating roller 7, the first gear 8 is meshed with the second gear 11, so that the second gear 11 rotates, as the outer side surface of the connecting roller 10 is welded with connecting balls at equal angles, the connecting balls are embedded and installed in annular grooves formed in the inner end of the bearing block 9, so that the connecting roller 10 is rotatably installed on the inner side of the bearing block 9, the connecting roller 10 on the outer side of the second gear 11 rotates on the inner side of the bearing block 9, the first connecting rod 13 is in screw connection with the mounting ring 12, so that the first connecting rod 13 is fixedly connected with the second gear 11 through the mounting ring 12, and then the driving wheel 14 on the outer side of the first connecting rod 13 rotates at the bottom end of the shell 1, so as to drive the second connecting rod 16, the mounting ring 12 and the inner side of the bearing block 9 of the connecting roller 10 in fig. 3 to rotate, causing the housing 1 to move;

the control element inside the control box 5 is coupled with the motor 6 and the electric push rod 3, when the control box 5 closes the motor 6, the electric push rod 3 in fig. 1 is opened, the electromagnet 4 moves downwards under the action of the electric push rod 3, so that the electromagnet 4 is magnetically connected with the rail, the electromagnet 4 is tightly attached to the rail, so that the shell 1 stops moving quickly, when the driving wheel 14 and the driven wheel 15 with serious abrasion need to be replaced, the mounting box 2 is connected with the clamping groove of the shell 1 because the left end and the right end of the shell 1 are both open structures, and the mounting box 2 is fixed at the outer end of the shell 1 through screws, so that the mounting box 2 is taken down from the shell 1, because the connection modes of the first connecting rod 13 and the second connecting rod 16 with the mounting ring 12 are both screw connections, because the outer side surfaces of the first connecting rod 13 and the second connecting rod 16 are both coincident with the central line of the mounting ring 12, and the shortest distance between the driving wheel 14 and the mounting ring 12 and the shortest distance between the driven wheel 15 and the mounting ring 12 are both equal to one half of the length of the mounting ring 12, the screw in the mounting ring 12 is removed, then the first connecting rod 13 and the second connecting rod 16 are moved forward inside the mounting ring 12, the rear ends of the first connecting rod 13 and the second connecting rod 16 are pulled out from the inside of the mounting ring 12 at the rear end of the housing 1, the driving wheel 14 and the driven wheel 15 are removed from between 2 sets of mounting rings 12, the driving wheel 14 and the driven wheel 15 are replaced, the working principle of the electric push rod 3, the control box 5 and the motor 6 are all mature technologies in the prior art, so as to complete a series of operations of the cart running mechanism of the crane, and the content not described in detail in the description belongs to the prior art known by a person skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a cart running gear of hoist, includes shell (1), electric putter (3) and control box (5), its characterized in that: the left side and the right side of the shell (1) are both provided with a mounting box (2), the electric push rod (3) is mounted inside the mounting box (2), the output end of the electric push rod (3) is fixedly connected with an electromagnet (4), the control box (5) is mounted on the front side of the shell (1), the right side of the control box (5) is provided with a motor (6) mounted on the front side surface of the shell (1), the output end of the motor (6) is connected with a rotating roller (7), first gears (8) are fixed at the front end and the rear end of the rotating roller (7), bearing blocks (9) are welded on the front inner wall and the rear wall inside the shell (1), connecting rollers (10) are arranged on the inner side of the bearing blocks (9), second gears (11) are fixed on the inner side of the connecting rollers (10), mounting rings (12) are welded on the inner side surfaces of the second gears (11), and first connecting rods (13) are arranged on the inner side of the mounting rings (, and a driving wheel (14) is fixed on the outer side of the first connecting rod (13), a driven wheel (15) is arranged on the left side of the driving wheel (14), and a second connecting rod (16) is fixedly connected to the inner side of the driven wheel (15).

2. The cart running mechanism of a crane according to claim 1, wherein: the left end and the right end of the shell (1) are both in an open structure, and the vertical center line of the electromagnet (4) and the vertical center line of the shell (1) are overlapped.

3. The cart running mechanism of a crane according to claim 1, wherein: the first gear (8), the second gear (11), the connecting roller (10) and the driving wheel (14) form a linkage mechanism, and the connecting roller (10) is rotatably connected with the bearing block (9).

4. The cart running mechanism of a crane according to claim 1, wherein: the first connecting rod (13) is connected with the mounting ring (12) through screws, and the shortest distance between the second gear (11) and the second gear (11) is larger than the length of the first connecting rod (13).

5. The cart running mechanism of a crane according to claim 1, wherein: the outer side surfaces of the first connecting rod (13) and the second connecting rod (16) are overlapped with the center line of the mounting ring (12), and the shortest distance between the driving wheel (14) and the mounting ring (12) and the shortest distance between the driven wheel (15) and the mounting ring (12) are equal to one half of the length of the mounting ring (12).

6. The cart running mechanism of a crane according to claim 1, wherein: the front side and the rear side of the second connecting rod (16) are both provided with mounting rings (12), and the second connecting rod (16) is connected with the mounting rings (12) through screws.