KR930001673Y1 - Grab - Google Patents

Abstract

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Description

Kramshal's Towing Rotator

1 is a perspective view of the open state of the present invention.

2 is a perspective view of a picked up state (retracted state) of the present invention.

3 is a cross-sectional view of the open state of the present invention.

4 is a cross-sectional view of the pinching state of the present invention.

* Explanation of symbols for main parts of the drawings

1 ring 2 pin bolt

3: gear cover 4: towing body

5: hydraulic motor 6: electric gear

7: Rotating Gear 8: Rotating Body (Rotating Plate)

9: central axis 10, 10 ': inflow path

11: Hydraulic port 12: Hydraulic outlet

13: hydraulic valve 14: inlet

15, 15 ': pocket flange 16, 16': bushing and bearing

17: shaft fixing nut 18: pocket flange round plate

19: bearing cover 20, 20 ': long pin

21, 21 ': Hydraulic cylinder pin 22, 22': Clamp shovel

23, 23 ': ear blade 24, 24': hydraulic piston pin

25, 25 ': Hydraulic cylinder 26, 26': Piston

27, 27 ': inlet 28, 28': outlet

29: center shaft portion 30: fork rail hanger

31: connecting arm 32: hydraulic supply hose

33: Motor hydraulic hose

This design is used for port construction, mining and civil engineering, as well as to move the scramble used for loading or unloading the scrap metal in order to move the various scrap metal which is extremely difficult to handle. It relates to the Kramshal's traction rotator which makes it quick and accurate.

Conventionally, a mechanical club having a center elevating flam is known in Japanese Patent Publication No. 44-5158, which has each casing shovel having a casing for receiving a hydraulic fluid cylinder therein, and the cylinder end is clamped at a short distance from the tip of the tong shovel. It is characterized by articulated joints around the vipot supported by the club's center lift hurdle extending from the bottom of the shovel. At this time, there was a risk that the fork-lane flowed due to the weight increase, and the connection between the hydraulic valve and the body was broken because the crusher was dropped by dropping it on the soil or scrape to pick up soil or scrap metal during use. Loss of break occurs frequently, so once broken, In the event of a breakdown, it is difficult to separate, complicated to repair or repair, it takes a long time as well as costly, and most of the foreign products of K Marshall are expensive and expensive. Kramshal also differs depending on the model, which is not suitable for the domestic situation and had many disadvantages.

The present invention is to achieve a desired purpose as a result of repeated studies with various seals over a long period of time to fundamentally solve and improve such conventional defects as described in detail by the accompanying drawings as follows.

The tow body 4 is connected to the ring 1 with a pin bolt 2, and the tow body 4 has an inflow path 10, 10 ', a hydraulic port 11 and a hydraulic outlet 12, 28 ( 28 ') and the inlets 14, 27, 27' are connected inwardly with the hydraulic valve 13, and the tongs 15 and 15 'at the bottom of the tongs constitute the ear blades 23 and 23'. Shovels 22 and 22 'are bonded together with long pins 20 and 20' so that the hydraulic cylinders 25 and 25 'are held between the hydraulic cylinder pins 21 and 21' and the hydraulic piston pins 24 and 24 '. ) And the pistons 26 and 26 'are mounted on the gear cover 3 of the traction body 4 so that the electric gear 6 and the rotary gear 7 engage with each other. It is rotated but rotates together with the rotating body (8) and the bushing and the bearing (16, 16 ') is charged between the central shaft (9) and the rotating body (8) integral with the central shaft (29) Pocket Hurenji circular plate 18 at the bottom was covered with a bearing cover (19).

Referring to the effect of the present invention as described above is as follows.

First hook the hook (1) to the fork rail hanger (30) to hang the pin and the hydraulic hoses 32, 33 to the hydraulic motor (5) and the inlet (11) to facilitate operation.

Next, as shown in FIG. 1, when a plurality of six tong shovels 22 and 22 'are opened, when the oil pressure is supplied to the hydraulic hose 32, the hydraulic shaft 11 of the central shaft 9 The pistons 26 and 26 'are pushed while being discharged to the hydraulic outlets 12 through the hydraulic passage 10 and pushed into the hydraulic cylinders 25 and 25' through the inlets 27 and 27 '. give. Pistons (26) and (26 ') are bonded to piston pins (24) and (24') attached to the ends of the tong shovels (22) and (22 ') to push the piston pins (24) and (24'). (20) and (20 '), and the top of the hydraulic cylinders (25, 25') are adhered to the pocket flanges (15, 15 ') by cylinder pins (21) and (21'). As the (22) and (22 ') are opened, the direction change is made as shown in FIG.

When the slammed cracks are struck into the scrap metal and the scrap or scrap iron is picked up, the hydraulic pressure is reversed. The hydraulic pressure is passed through the inlets 14 and the outlets 28 and 28 through the hydraulic passage 10 '. Since the pistons 26 and 26 'in each of the hydraulic cylinders 25 and 25' are pushed upwards, the pistons 26 and 26 'pull each piston pin 24 and 24' and the tong shovel 22 22 ') is pinched as shown in FIGS. 2 and 4 to pick up soil or scrap metal.

Here, when picking up the scrap iron scraps and the like on the tong shovels 22 and 22 ', if the picking direction is not appropriate or there is an obstacle, the hydraulic gear 5 is applied to the hydraulic motor 5 through the hydraulic hose 33, and the electric gear ( 6) rotates and rotates the rotary gear 7 at the same time, the rotary gear 7 is struggling with the rotary body 8, the tubular body of the rotary body 8 between the central shaft (9) 29 and the upper and lower parts As the bushing and bearing (16, 16 ') are charged, the rotary body (8) supports the tong shovels (22) and (22') to the poker flange (15, 15 '). ') It rotates as much as it applies hydraulic pressure to the reverse rotation, and it can be arbitrarily rotated to the left or right. That is, the traction body 4 is fixed together with the central shaft 9, and the electric gear 6 rotates the rotary gear 7 by the operation of the hydraulic motor 5, and the rotary gear 7 rotates the rotary body 8. As it rotates, the tong shovels 22 and 22 'are also rotated.

Since the present invention has a significantly reduced weight as compared to the conventional direct connection with the body of the hydraulic device, it can be connected and used regardless of the type of fork-lane, and it is possible to reduce the cost of the device and to rotate it during operation. It is accurate and quick, and by removing the bearing cover and releasing the shaft fixing nut, the center shaft can be pulled up, which is effective for quick repair and replacement work in case of failure.

Claims (1)

As shown in the drawing, the tow body 4 is connected to the hook 1 with a pin bolt 2, and the tow body 4 has an inlet 10, 10 ', an inlet 11 and a hydraulic outlet 12. (28), 28 'and inlets 14, 27, 27' are connected to the hydraulic valve 13 inwardly, and the lower pocket flanges 15, 15 'have ear blades 23. The forceps shovels 22 and 22 'constituting (23') are adhered to the long pins 20 and 20 'to between the hydraulic cylinder pins 21 and 21' and the hydraulic piston pins 24 and 24 '. In the case where the hydraulic cylinders 25, 25 'and the pistons 26, 26' are installed, the hydraulic motor 5 is mounted on the gear cover 3 of the traction body 4, and the electric gear 6 ) And the rotary gear (7) to the articulation rotation, but rotates with the rotating body (8) and the bushing and bearing (16) between the central shaft (9) and the rotating body (8) integral with the central shaft lower portion (29) A traction rotator of Kramshal which is fitted with a 16 'and then a pocket flange circular plate 18 with a bearing cover 19.