KR200215373Y1 - Feeding device of crane_ - Google Patents

Abstract

The present invention relates to a crane for crane (saddle for Cranes), more specifically, in the overhead crane (ceiling crane) or overhead crane, etc., saddle according to the working conditions when lifting and transporting the soil, ore, etc. A crane conveying device that can improve the workability by selecting the mounting direction (horizontal or vertical) of the pair, a pair of rails (100) arranged side by side and the saddle frame 210 moving along the rails In the crane equipped with a saddle 200, and a hoisting device 300, which is fixed to the saddle frame 210 and moves with the saddle and lifts or lowers the heavy load, the bottom of the saddle 200 as needed. By providing a plurality of drive roller assemblies and a plurality of driven roller assemblies that can be rotated by 90 °, the mounting direction of the birds mounted on the rail can be selected either horizontally or vertically according to the working conditions. It is possible. Therefore, since the direction of movement of the birds can be switched to the required form according to the working conditions has the effect of reducing the risk of safety accidents by ensuring stability as well as improving workability.

Description

SADDLE FOR CRANES

The present invention relates to a crane for cranes (Saddle for Cranes), more specifically, in overhead cranes (or overhead cranes), etc., saddles, ores, etc. according to the working conditions when lifting and transporting the soil, ores, etc. It relates to a crane conveying device to be able to selectively switch the mounting direction (horizontal or vertical) of the to improve the workability.

A general overhead crane or a overhead crane is a device that can lift a heavy object having a certain weight by using power such as an electric motor or a hydraulic motor, not by manpower, or transfer and transport it to a desired position. Such a device is a bucket (primarily used for unshaven weights such as earth and sand ore) or hooks (mainly machinery) that acts as a hook for lifting (lifting) the weight between the weight and the crane. Or a lifting device for generating a force capable of raising or lowering the heavy weight caught on the hook, and a traveling device capable of transporting the entire crane.

1 and 2 illustrate an example of a crane including a conventional hoisting device and a traveling device. FIG. 1 is a plan view of a conventional crane, and FIG. 2 is a front view illustrating the lower end of the wire rope 34. According to this, the traveling device is provided with a pair of rails 10 arranged side by side at a predetermined interval, and provided with a saddle 20 made of a substantially rectangular frame that linearly reciprocates along the rail 10. have. The saddle 20 has at least one driving roller 40 and one or more driven rollers 42 fixed to the rail 10 along the rail 10 to move on the rail 10 by the rollers. Each of the driving rollers 40 is bearing-supported to the support shaft 41 fixed on the saddle frame 22, and is driven by the driving motor 46 fixed to the saddle frame 22.

In addition, a plurality of hoist 32, which is supported by the saddle 20 and controlled to be driven by the driving motor 36, is disposed in the hoisting apparatus in a predetermined form. On the hoist 32, a wire rope 34 to which a bucket or hook (not shown) is connected to the bottom thereof is wound so that the bucket or hook is raised or lowered according to the rotation direction of the hoist.

However, the crane having such a configuration has a problem that the installation direction is increased as well as the workability is lowered because the moving direction of the saddle 20 is limited.

That is, in general, the work of the crane is usually performed in parallel with the transport vehicle, so these vehicles must be parked correctly at a predetermined unloading position of the lower part of the crane. However, assuming that a vehicle is usually a large cargo truck and that the working environment allows only one-way entry of a large vehicle and does not allow rotation after entering, the crane operation becomes very difficult, and thus heavy loads are required when working under such conditions. The direction should be changed by applying artificial force to match the position of the vehicle.

In other words, an external force must be exerted to twist the wire rope 34 connected to the bucket or hook, typically by the operator pushing or rotating several tons to tens of tons of weight directly. At this time. The heavy object starts to rotate slowly by artificial force, but gradually accelerates, and the rotational speed of the heavy object is accelerated. At the time of reaching the position joined to the work, by applying an external force in a direction opposite to the initial direction of external force The reverse rotation of the heavy weight must be prevented. That is, it is necessary to stop the heavy object which is going to continue to rotate by inertia. However, since the inertial force of the weight is proportional to acceleration and weight, it is very difficult to control the weight by attraction.

Moreover, there is a problem that can not guarantee the stability of the operator when controlling the heavy object by such an artificial force.

The present invention has been made to improve the above problems, the purpose of which is to select the mounting direction of the saddle according to the working conditions from the horizontal or vertical direction with respect to the rail to improve the workability and at the same time improve the safety of the operator It is to provide a transfer device of the crane can be secured.

1 is a plan view showing an example of a conventional crane

2 is a front view showing an example of a conventional crane

3 is a front view showing the configuration of a crane according to the present invention

Figure 4 is an exploded perspective view showing the main portion of the construction of the crane transport apparatus according to the present invention

5 is a cross-sectional view of the coupled state of the main configuration of the crane transport apparatus according to the present invention

6 is a plan view showing a direction change state of the crane conveying apparatus according to the present invention

<Explanation of symbols for main parts of drawing>

100: lane 200: birds

210: saddle frame 212: bolt assembly

300: hoisting device 400: drive roller assembly

410: bracket (drive roller assembly) 412: bolt fastening

420: driving roller 422: driven gear

430: drive motor 432: drive gear

450: bolt 500: driven roller assembly

510: Bracket (driven roller assembly) 520: Driven roller

The object of the present invention is a crane having a pair of rails arranged side by side, birds including a saddle frame moving along the rail, and a hoisting device which is fixed to the saddle frame and moves with the birds and lifts or lowers heavy weights. It is possible to achieve this by means of a crane conveying device having a conveying means which rotates the arrangement of the birds 90 ° as necessary by selectively turning on and off in the 90 ° direction on the bottom of the bird as needed. have.

The conveying means is at least one drive roller assembly which is selectively detachably fixed to each line corresponding to each rail on the bottom of the saddle to provide a feed force to the saddle, and is installed apart from the drive roller assembly so that the saddle is horizontal. At least one driven roller assembly to be conveyed in the state.

The drive roller assembly, the bracket is bolted to the saddle bottom, the bearing is supported on the support shaft fixed to the bracket, the drive roller is formed around the fixed roller, and the roller is fixed to be parallel to the support shaft on one side of the bracket It consists of a drive motor having a drive gear meshed with the driven gear, and the driven roller assembly is made of a bracket bolted to the bottom of the saddle, and a driven roller bearing supported on a support shaft fixed to the bracket.

The distance between the center of rotation of the drive roller and the center of rotation of the driven roller should be equal to the distance of the pair of rails.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

Figure 3 shows a front view of a preferred embodiment according to the present invention, for convenience, the illustration of the bucket or hook connected to the end of the wire rope is omitted. According to the present invention, the saddle 200 including a pair of rails (100) arranged side by side at regular intervals, a saddle frame (210) (saddle frame) moving along the rails, saddle The hoisting device 300, which is fixed to the frame 210 and moves with the saddle and lifts or lowers the weight, is shown.

The rail 100 is installed in the air by a frame or the like at the work site, or is installed on the ceiling of a factory or the like, and mainly a section steel is used. In addition, the saddle 200 is configured to form a single assembly by connecting a pair of saddle frames 210, which are arranged in parallel with the rail 100, respectively, with an auxiliary frame 220, etc., and have a substantially rectangular shape. The hoisting apparatus 300 is composed of the same type as the conventional one, that is, a hoist 300 driven by a drive motor, and a wire rope 320 wound around the hoist 300.

On the other hand, the present invention includes a transfer means that is selectively detachably fixed by changing the direction in the 90 ° direction on the bottom of the saddle 200 as needed. This conveying means is a very important means for achieving the purpose of the present invention will be described in more detail below.

First, the conveying means is at least one drive roller assembly 400 that is selectively detachably fixed to each line corresponding to each rail 100 on the bottom of the saddle 200 to provide a conveying force to the saddle 200 And at least one driven roller assembly 500 installed apart from the drive roller assembly 400 to allow the saddle 200 to be transported in a horizontal state.

4 is an exploded perspective view showing the configuration of the drive roller assembly. The drive roller assembly 400 includes a bracket 410 that is bolted to the bottom of the saddle 200. The bracket 410 has a plurality of bolt assembly holes 412 corresponding to the plurality of fastening holes 212 formed in the saddle frame 210. In addition, a driving roller 420 is provided at both ends of the bearing 426 supported by the support shaft 424 fixed to the bracket 410. The driving roller 420 is seated on the rail 100 to achieve stable rotation, and the driven gear is engaged with the driving gear 432 which will be described later on one side of the circumferential axial direction that is not in contact with the rail 100. 422 is formed. The drive motor 430 is fixed to the bracket 410 on one side of the driving roller 420 so as to be parallel to the support shaft 424 and has a driving gear 432 engaged with the driven gear 422. Reference numeral 440 in FIG. 4 is an impact buffer member.

Therefore, as shown in FIG. 5, when the driving motor 430 operates, the driving roller 420 engaged with the driven gear 432 by the driving gear 432 is rotated. Therefore, since the driving roller 420 rolls on the rail 100, the saddle 200 moves in the rotation direction of the driving roller 420.

3, the driven roller assembly 500 includes a bracket 510 that is bolted to the bottom of the saddle 200. The bracket 510 has a plurality of bolt assembly holes 512 corresponding to the plurality of fastening holes 212 formed in the saddle frame 210. In addition, a driven roller 520 bearing both ends of the support shaft 524 fixed to the bracket 510 is provided.

According to the present invention, the bolt assembly holes 412 and 512 formed in the driving roller bracket 410 and the driven roller bracket 510 should be arranged in the same size and shape. This means that the driving roller assembly 400 and the driven roller assembly 500 may be mounted in a different position, which is very important in the present invention.

In addition, as shown in FIG. 6, the distance L2 between the center of rotation of the driving roller 420 and the center of rotation of the driven roller 520 is the same as the distance L1 of the pair of rails 100. Should be.

The present invention having such a configuration is able to switch the direction of movement of the three according to the working conditions. That is, when the drive roller assembly 400 and the driven roller assembly 500 are mounted, the direction of rotation of the drive roller 420 and the driven roller 520 in parallel with the saddle frame 210 is referred to as a conventional drawing. As shown in FIG. 1, the saddle frame 210 is disposed in parallel with the rail 100 so that the saddle 200 is seated on the rail 100 so that the saddle frame 210 moves in parallel with the rail.

On the other hand, when the change of the working conditions and the direction of the saddle is required in the new working conditions, the installation direction of the first drive roller assembly 400 and the driven roller assembly 500 is to be rotated by 90 °, and at this time It should be noted that any one drive roller assembly 400 should be mounted interchangeably with the opposite driven roller assembly 500.

That is, Fig. 6 shows a state in which such a conversion is mounted. That is, two driving roller assemblies 400 are mounted at both ends of one saddle frame 210, respectively, and the driven roller assemblies 500 are mounted at opposite saddle frames 210. Since the shape of the bolt fastening hole 512 of the driven roller assembly 500 of the bolt fastening hole 412 of each drive roller assembly is the same, mutual exchange is possible, and the space | interval of the rail 100 and each Since the distance between the driving roller 420 and the distance between the driven roller 520 is the same, it can be accurately seated on the rail 100 even when the position is converted.

As described above, the conveying device of the crane according to the present invention provides a driving roller assembly and a driven roller assembly capable of selectively changing the direction of 90 ° at the bottom of the birds so that the mounting direction of the birds mounted on the rail is horizontally or necessary. You can choose from among portrait. Therefore, it is possible to switch to the required form according to the working conditions has the effect of reducing the risk of safety accidents by ensuring stability as well as improving workability.

Claims (5)

A pair of rails (100) arranged side by side, saddle 200 including a saddle frame 210 to move along the rail, and is fixed to the saddle frame 210 to move with the birds to lift or lower the weight In the crane provided with the hoist 300, Removably fixed to the bottom of the saddle 200 to enable the birds to move along the rail 100, by allowing the mounting in the state rotated in the 90 ° direction when mounted, saddle 200 is rail The transport apparatus of the crane, characterized in that it comprises a transport means for seating and moving in a state rotated 90 ° with respect to (100). The method of claim 1, wherein the transfer means, At least one drive roller assembly 400 and a drive roller assembly 400 that are selectively detachably fixed to respective lines corresponding to each rail 100 on the bottom of the saddle 200 to provide a saddle feed force. Installed apart from the saddle 200 is a crane transport device, characterized in that made of at least one driven roller assembly (500) to be transported in a horizontal state. The bearing roller assembly of claim 2, wherein the driving roller assembly 400 includes a bracket 410 coupled to the bottom of the saddle 200, and a support shaft 424 fixed to the bracket 410. It is supported, and is fixed to the drive roller 420, the driven gear 422 is formed on the periphery, parallel to the support shaft 424 on the bracket 410 on one side of the drive roller 420 and the driven gear 422 A drive motor 430 having a drive gear 432 engaged thereto; The driven roller assembly 500 includes a bracket 510 that is bolted to the bottom of the saddle 200 and a driven roller 520 that is supported by a bearing shaft 524 fixed to the bracket 510. Characterized in that the conveying device of the crane. 4. The crane transport apparatus of claim 3, wherein an interval between the rotation center of the driving roller and the driven center of the driven roller is set equal to the interval of the pair of rails. 5. The transport apparatus of claim 4, wherein the drive roller assembly (400) and the driven roller assembly (500) are configured to be interchangeable with the saddle.