CN209778074U - Electric hydraulic grab bucket with external water cooler - Google Patents
Electric hydraulic grab bucket with external water cooler Download PDFInfo
- Publication number
- CN209778074U CN209778074U CN201822228720.XU CN201822228720U CN209778074U CN 209778074 U CN209778074 U CN 209778074U CN 201822228720 U CN201822228720 U CN 201822228720U CN 209778074 U CN209778074 U CN 209778074U
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- water cooler
- grab bucket
- water
- cooler
- hydraulic
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Abstract
the utility model discloses an electric hydraulic grab bucket with external water cooler, which comprises a grab bucket body, wherein the center of the upper end of the grab bucket body is provided with a connecting piece for connecting a crane, the upper end of the grab bucket is positioned at one side of the connecting piece and is fixedly provided with a water cooler, the water cooler is in a cylindrical structure, the water cooler is transversely fixed on the grab bucket, the left side and the right side of the barrel body of the water cooler are respectively provided with an oil inlet pipeline and an oil return pipeline which are communicated with a hydraulic oil pump inside the grab bucket, the end part of the water cooler is provided with a water outlet pipeline and a water inlet pipeline, the water inlet pipeline is connected to the grab bucket and is provided with a water inlet at the joint, cooling seawater is provided for the water cooler from the ship for being discharged to the outside of the grab bucket after heat exchange with hydraulic oil, the temperature rise of a hydraulic system is ensured within the design range through the external, and long-term reliable operation of the system is ensured.
Description
Technical Field
The utility model belongs to the technical field of the electronic hydraulic grab bucket technique and specifically relates to an electronic hydraulic grab bucket hydraulic system fluid circulative cooling's application with external water cooler.
background
1. The experience of using an external water cooler on the electric hydraulic grab bucket is not available in China;
2. The temperature rise of the hydraulic system of the electric hydraulic grab bucket is high under the working conditions of high environmental temperature and high use frequency, so that the hydraulic oil of the system is higher than 80 ℃, the working efficiency is low due to frequent alarming, the conventional product can only rely on the steel structure of the grab bucket to naturally cool, and the cooling speed is slow, so that the working efficiency of the grab bucket is seriously influenced.
3. The electric hydraulic grab bucket generally needs to be connected for uninterrupted operation, the air dust and garbage are more in the operation site, if the underwater grab bucket also needs to be launched for work, the whole hydraulic system needs to be fully sealed, and the grab bucket system used under severe working conditions generates heat seriously.
disclosure of Invention
The to-be-solved technical problem of the utility model is: the hydraulic system aims to solve the problems that a large-scale electric hydraulic grab bucket hydraulic system is insufficient in heat dissipation, frequent high-temperature alarming cannot work continuously and effectively, and a water cooler outside the electric hydraulic grab bucket is difficult to connect in water supply.
The utility model provides a technical scheme that its technical problem adopted is: an electric hydraulic grab bucket with an external water cooler comprises a grab bucket body, wherein a connecting piece used for connecting a crane is arranged in the center of the upper end of the grab bucket body, a water cooler is fixedly arranged at one side of the connecting piece, the water cooler is of a cylindrical tubular structure and is transversely fixed on the grab bucket, an oil inlet pipeline and an oil return pipeline which are communicated with a hydraulic oil pump inside the grab bucket are respectively arranged at the left side and the right side of the barrel body of the water cooler, a water outlet pipeline and a water inlet pipeline are arranged at the end part of the water cooler, the water inlet pipeline is connected to the grab bucket, a water inlet is arranged at the joint of the water cooler, cooling seawater is provided for the water cooler from a ship and is discharged to the outside of the grab bucket after heat exchange with hydraulic oil;
Furthermore, a protective frame is arranged outside the water cooler, so that the water cooler is effectively protected;
Furthermore, the upper surface of the protection frame of the utility model is provided with ventilation holes in order to keep heat dissipation;
Further, the loop wheel machine on be provided with the water pipe reel, the water pipe reel on be provided with high-pressure water pipe, high-pressure water pipe both ends connect water supply installation and water cooler respectively, independent water supply scheme: a water supply device is provided outside the crane, a high-pressure hose is connected to a water pipe winding drum, then a water pipe on the winding drum is connected to the grab bucket to supply water to the water cooler, and a cable winding drum ensures that the water pipe works up and down along with the grab bucket;
furthermore, the water outlet pipeline of the utility model is provided with a one-way valve to ensure that cooling water is discharged in time and external seawater and impurities are prevented from entering the water cooler;
Further, the water cooler of the utility model is a shell and tube cooler.
The utility model has the advantages that: the utility model discloses an electronic hydraulic grab bucket with external water cooler has solved the problem that exists among the background art, ensures the hydraulic system temperature rise within the design range through external water cooler, guarantees the long-term reliable operation of system, and hydraulic system no longer appears the frequent shut down that the temperature rise was reported to the police and is leaded to, guarantees reliable and high-efficient of grab bucket work, simultaneously the utility model discloses structural layout is reasonable, and the cost is low, and is very practical.
Drawings
the present invention will be further explained with reference to the drawings and examples.
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of the reclaimed water cooler of the present invention;
FIG. 3 is a schematic view of the connection structure of the crane and the grab bucket;
Fig. 4 is a schematic diagram of the working principle of heat exchange in the present invention.
In the figure, the crane comprises a grab bucket 1, a crane 2, a connecting piece 3, a water cooler 4, an oil inlet pipeline 5, an oil return pipeline 6, a water outlet pipeline 7, a water inlet pipeline 8, a water inlet 9, a water inlet 10, a protective frame 11, a vent hole 12, a water pipe winding drum 13, a high-pressure water pipe 14 and a water supply device 14.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the embodiment of the electric hydraulic grab with external water cooler of the present invention includes a grab bucket 1, the upper center of the grab bucket is provided with a connecting member 3 for connecting a crane 2, the upper end of the grab bucket 1 is located on one side of the connecting member 3 and is fixedly provided with a water cooler 4, the water cooler 4 is in a cylindrical structure, the water cooler 4 is transversely fixed on the grab bucket 1, the left and right sides of the barrel body of the water cooler 4 are respectively provided with an oil inlet pipeline 5 and an oil return pipeline 6 which are communicated with a hydraulic oil pump inside the grab bucket 1, the end of the water cooler 4 is provided with a water outlet pipeline 7 and a water inlet pipeline 8, the water inlet pipeline 8 is connected to the grab bucket 1 and is provided with a water inlet 9 at the joint; a protective frame 10 is arranged outside the water cooler 4 to effectively protect the water cooler 4; the upper surface of the protection frame 10 is provided with vent holes 11 in a graded manner to keep heat dissipation; the crane 2 on be provided with water pipe reel 12, water pipe reel 12 on be provided with high-pressure water pipe 13, high-pressure water pipe 13 both ends connect water supply installation 14 and water cooler 4 respectively, independent water supply scheme: a water supply device 14 is provided outside the crane 2, a high-pressure hose is connected to the water pipe winding drum 12, then a water pipe on the winding drum is connected to the grab bucket, water is supplied to the water cooler 4, and the cable winding drum 12 ensures that the water pipe works up and down along with the grab bucket; the water outlet pipeline is provided with a one-way valve to ensure that cooling water is discharged in time and external seawater and impurities are prevented from entering the water cooler; the water cooler 4 is a shell and tube cooler.
The working principle is as follows: on one hand: a water supply device 14 on the ship supplies water to the water cooler 4, and cooling water enters from a water inlet 9 and exits from a water outlet pipeline; on the other hand: the hydraulic oil pump pumps out the hydraulic oil in the hydraulic oil tank in the grab bucket 1, and the hot hydraulic oil flows through the water cooler 4 to exchange heat with low-temperature seawater and then flows back to the hydraulic oil tank from the oil return pipeline 6.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides an electronic hydraulic pressure grab bucket with external water cooler which characterized in that: including grab bucket (1) body, grab bucket (1) upper end central authorities be provided with connecting piece (3) that are used for connecting loop wheel machine (2), the upper end of grab bucket (1) be located one side fixed water cooler (4) that is provided with of connecting piece (3), water cooler (4) be cylinder tubular structure, water cooler (4) horizontal fix grab bucket (1) is last, the stack shell of water cooler (4) on the left and right sides be provided with respectively with advance oil pipe way (5) and return oil pipe way (6) of the inside hydraulic oil pump intercommunication of grab bucket (1), the tip of water cooler (4) be provided with outlet pipe way (7) and inlet pipe way (8), inlet pipe way (8) be connected to grab bucket (1) is last and be provided with water inlet (9) in the junction.
2. The electro-hydraulic grab with external water cooler of claim 1, characterized in that: and a protective frame (10) is arranged outside the water cooler (4).
3. the electro-hydraulic grab with external water cooler of claim 2, characterized in that: the upper surface of the protection frame (10) is provided with a vent hole (11) in a graded manner.
4. the electro-hydraulic grab with external water cooler of claim 1, characterized in that: the water cooling system is characterized in that a water pipe winding drum (12) is arranged on the crane (2), a high-pressure water pipe (13) is arranged on the water pipe winding drum (12), and two ends of the high-pressure water pipe (13) are respectively connected with a water supply device (14) and a water cooler (4).
5. The electro-hydraulic grab with external water cooler of claim 1, characterized in that: a one-way valve is arranged at the water outlet pipeline (7).
6. The electro-hydraulic grab with external water cooler of claim 1, characterized in that: the water cooler (4) is a shell and tube cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822228720.XU CN209778074U (en) | 2018-12-27 | 2018-12-27 | Electric hydraulic grab bucket with external water cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822228720.XU CN209778074U (en) | 2018-12-27 | 2018-12-27 | Electric hydraulic grab bucket with external water cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209778074U true CN209778074U (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822228720.XU Active CN209778074U (en) | 2018-12-27 | 2018-12-27 | Electric hydraulic grab bucket with external water cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209778074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484971A (en) * | 2018-12-27 | 2019-03-19 | 上海佩纳沙士吉打机械有限公司 | A kind of electric hydraulic bucket with external water cooler |
-
2018
- 2018-12-27 CN CN201822228720.XU patent/CN209778074U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484971A (en) * | 2018-12-27 | 2019-03-19 | 上海佩纳沙士吉打机械有限公司 | A kind of electric hydraulic bucket with external water cooler |
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