CN114166483A - Suspension cylinder pressure maintaining test device for electric wheel dump truck and using method thereof - Google Patents
Suspension cylinder pressure maintaining test device for electric wheel dump truck and using method thereof Download PDFInfo
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- CN114166483A CN114166483A CN202111322045.7A CN202111322045A CN114166483A CN 114166483 A CN114166483 A CN 114166483A CN 202111322045 A CN202111322045 A CN 202111322045A CN 114166483 A CN114166483 A CN 114166483A
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- suspension cylinder
- electric wheel
- pressure maintaining
- baffle
- test device
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- 239000000725 suspension Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a suspension cylinder pressure maintaining test device for an electric wheel dumper, which comprises: the device comprises a base, side plates, a baffle plate and a vertical plate; the bottoms of the two pairs of side plates and the baffle plates are respectively connected to the top of the base 1, the outer sides of the two baffle plates are respectively provided with a vertical plate, the bottom edge and the side edge of the vertical plate are respectively connected with the base and the baffle plates, and the upper parts of the vertical plates are provided with hoisting holes; the side plates on the inner sides of the baffles are provided with pin holes, and safety pins are respectively arranged in the two pairs of pin holes on the two side plates. The invention also discloses a use method of the suspension cylinder pressure maintaining test device of the electric wheel dumper. The invention can perform pressure maintaining test on the suspension cylinder of the large electric wheel dumper and solve the problems in the prior art.
Description
Technical Field
The invention belongs to the technical field of mining dump trucks, and particularly relates to a suspension cylinder pressure maintaining test device for an electric wheel dump truck and a using method thereof.
Background
Fig. 1 is a schematic structural diagram of a suspension cylinder of an electric wheel dump truck in the prior art.
The cylinder head 61 of the suspension cylinder 6 of the electric wheel dumper is connected to the cylinder body, one end of the suspension cylinder rod head 62 is positioned in the cylinder body, and the other end extends out of the cylinder body; the inflation valve 63 is provided on the cylinder.
Before the electric wheel dumper suspension cylinder 6 is put into use, the performance of the electric wheel dumper suspension cylinder needs to be tested, and the test contents comprise an air leakage test, an oil leakage test, a pressure maintaining test, a circulation test and the like. The existing pressure maintaining test device is mainly used for the suspension cylinder of a small-tonnage mechanical transmission dumper and can not meet the pressure maintaining test requirement of the suspension cylinder of the large-sized electric wheel dumper.
Disclosure of Invention
The invention aims to provide a pressure maintaining test device for a suspension cylinder of an electric wheel dump truck and a using method thereof, which can perform pressure maintaining test on the suspension cylinder of the large-scale electric wheel dump truck and solve the problems in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
electronic round of tipper jar pressurize test device hangs includes: the device comprises a base, side plates, a baffle plate and a vertical plate; the bottoms of the two pairs of side plates and the baffle plates are respectively connected to the top of the base 1, the outer sides of the two baffle plates are respectively provided with a vertical plate, the bottom edge and the side edge of the vertical plate are respectively connected with the base and the baffle plates, and the upper parts of the vertical plates are provided with hoisting holes; the side plates on the inner sides of the baffles are provided with pin holes, and safety pins are respectively arranged in the two pairs of pin holes on the two side plates.
Furthermore, two curb plates are parallel to each other, and two baffles are parallel to each other, and curb plate, baffle are perpendicular with the base respectively.
Furthermore, the plurality of reinforcing ribs are positioned between the vertical plate and the side plate, and the side edges of the reinforcing ribs are respectively connected with the vertical plate, the baffle plate and the side plate.
The use method of the suspension cylinder pressure maintaining test device of the electric wheel dumper is characterized by comprising the following steps of:
placing the suspension cylinder of the electric wheel dump truck in a space enclosed by the baffle, the side plate and the base, wherein an inflation valve of the suspension cylinder of the electric wheel dump truck is positioned at the top; the cylinder head and the cylinder hanging rod head are positioned between the two baffles; two safety pin holes are respectively arranged in two pairs of pin holes of the side plate and are respectively positioned at the upper parts of the cylinder head and the suspension cylinder rod head;
the lifting hook extends into the lifting hole, and the lifting equipment integrally moves the suspension cylinder of the electric wheel dumper and the test device to the pressure maintaining test platform; and (3) injecting nitrogen into the cylinder body from the inflation valve, stopping injecting the nitrogen after the rod head of the suspension cylinder extends to tightly push the right baffle, and screwing the plug on the inflation valve to perform a pressure maintaining test.
Preferably, after the suspension cylinder of the electric wheel dumper is inflated, installed and fixed, a pressure maintaining test is performed.
Preferably, the cylinder head abuts against the baffle on the left side, and the cylinder hanging rod head abuts against the baffle on the right side.
The invention has the technical effects that:
the suspension cylinder fixing device for the electric wheel dumper is simple in structure and convenient to use, can ensure that the suspension cylinder of the electric wheel dumper is not damaged through integral hoisting and carrying, and can fix the suspension cylinder of the electric wheel dumper during a pressure holding test, so that the pressure holding test can be safely and effectively completed in the test process.
Drawings
FIG. 1 is a schematic structural diagram of a suspension cylinder of an electric wheel dumper in the prior art;
FIG. 2 is a schematic structural diagram of a suspension cylinder pressure maintaining test device of the electric wheel dumper in the invention;
FIG. 3 is a schematic front view of a suspension cylinder dwell test of the present invention;
fig. 4 is a schematic top view of a suspension cylinder dwell test in the present invention.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
Fig. 2 is a schematic structural view of the suspension cylinder pressure maintaining test device for the electric wheel dumper in the invention.
Electronic round of tipper jar pressurize test device hangs includes: base 1, curb plate 2, baffle 3, riser 4. The bottoms of the two pairs of side plates 2 and the baffles 3 are respectively connected (welded) with the top of the base 1, the two side plates 2 are parallel to each other, and the two baffles 3 are parallel to each other; vertical plates 4 are respectively arranged at the outer sides of the two baffles 3, the bottom edges and the side edges of the vertical plates 4 are respectively connected (welded) with the base 1 and the baffles 3, and hoisting holes 41 are arranged at the upper parts of the vertical plates 4; the side plates 2 on the inner sides of the baffle plates 3 are provided with pin holes, and safety pins 21 are respectively arranged in two pairs of pin holes on the two side plates 2.
The base 1 is formed of a single rectangular steel plate to support a large suspension cylinder. Two blocks of curb plates 2 symmetry welding are in base 1 both sides to improve base 1's intensity, two risers 4 can improve the intensity of baffle 3. The space enclosed by the baffle 3, the side plate 2 and the base 1 is used for fixing the suspension cylinder 6 of the electric wheel dumper when the pressure maintaining test is carried out, and the safety pin 21 plays a safety protection role.
The reinforcing ribs 5 are positioned between the vertical plate 4 and the side plate 2, and the sides of the reinforcing ribs 5 are respectively connected (welded) with the vertical plate 4, the baffle plate 3 and the side plate 2. Eight reinforcing ribs 5 are symmetrically welded between the baffle 3 and the vertical plate 4 so as to improve the strength of the vertical plate 4 and the baffle 3.
FIG. 3 is a schematic front view of a suspension cylinder holding pressure test according to the present invention; fig. 4 is a schematic plan view of a suspension cylinder holding pressure test according to the present invention.
The use method of the suspension cylinder pressure maintaining test device of the electric wheel dumper comprises the following specific steps:
step 1: placing the suspension cylinder 6 of the electric wheel dump truck in a space defined by the baffle 3, the side plate 2 and the base 1, and positioning the inflation valve 63 at the top; the cylinder head 61 and the cylinder suspension rod head 62 are positioned between the two baffle plates 3; two safety pin holes 21 are respectively arranged in two pairs of pin holes of the side plate 2, and the two safety pin holes 21 are respectively positioned at the upper parts of the cylinder head 61 and the suspension cylinder rod head 62;
the cylinder head 61 abuts against the left baffle 3, and the suspension cylinder head 62 abuts against the right baffle 3.
Step 2: the lifting hook extends into the lifting hole 41, and the lifting equipment integrally moves the suspension cylinder 6 of the electric wheel dump truck and the test device to the pressure maintaining test platform; and (3) injecting nitrogen into the cylinder body from the inflation valve 63, stopping injecting the nitrogen after the suspension cylinder rod head 62 extends to tightly push the right baffle 3, and screwing the plug on the inflation valve 63 to perform a pressure holding test.
And carrying out a pressure maintaining test after the suspension cylinder 6 of the electric wheel dumper is inflated, installed and fixed.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (6)
1. Electronic round tipper jar pressurize test device that hangs, its characterized in that includes: the device comprises a base, side plates, a baffle plate and a vertical plate; the bottoms of the two pairs of side plates and the baffle plates are respectively connected to the top of the base 1, the outer sides of the two baffle plates are respectively provided with a vertical plate, the bottom edge and the side edge of the vertical plate are respectively connected with the base and the baffle plates, and the upper parts of the vertical plates are provided with hoisting holes; the side plates on the inner sides of the baffles are provided with pin holes, and safety pins are respectively arranged in the two pairs of pin holes on the two side plates.
2. The suspension cylinder pressure maintaining test device for the electric wheel dumper according to claim 1, wherein the two side plates are parallel to each other, the two baffles are parallel to each other, and the side plates and the baffles are perpendicular to the base respectively.
3. The suspension cylinder pressure maintaining test device for the electric wheel dumper according to claim 1, wherein the plurality of reinforcing ribs are positioned between the vertical plate and the side plate, and the side edges of the reinforcing ribs are respectively connected with the vertical plate, the baffle plate and the side plate.
4. The use method of the suspension pressure maintaining test device for the electric wheel dumper according to any one of claims 1-3, characterized by comprising the following steps:
placing the suspension cylinder of the electric wheel dump truck in a space enclosed by the baffle, the side plate and the base, wherein an inflation valve of the suspension cylinder of the electric wheel dump truck is positioned at the top; the cylinder head and the cylinder hanging rod head are positioned between the two baffles; two safety pin holes are respectively arranged in two pairs of pin holes of the side plate and are respectively positioned at the upper parts of the cylinder head and the suspension cylinder rod head;
the lifting hook extends into the lifting hole, and the lifting equipment integrally moves the suspension cylinder of the electric wheel dumper and the test device to the pressure maintaining test platform; and (3) injecting nitrogen into the cylinder body from the inflation valve, stopping injecting the nitrogen after the rod head of the suspension cylinder extends to tightly push the right baffle, and screwing the plug on the inflation valve to perform a pressure maintaining test.
5. The use method of the electric wheel dump truck suspension cylinder pressure maintaining test device according to claim 4, characterized in that the pressure maintaining test is performed after the electric wheel dump truck suspension cylinder is inflated, installed and fixed.
6. The use method of the suspension cylinder pressure maintaining test device for the electric wheel dumper as claimed in claim 4, wherein the cylinder head abuts against the baffle on the left side, and the rod head of the suspension cylinder abuts against the baffle on the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111322045.7A CN114166483A (en) | 2021-11-09 | 2021-11-09 | Suspension cylinder pressure maintaining test device for electric wheel dump truck and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111322045.7A CN114166483A (en) | 2021-11-09 | 2021-11-09 | Suspension cylinder pressure maintaining test device for electric wheel dump truck and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114166483A true CN114166483A (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111322045.7A Pending CN114166483A (en) | 2021-11-09 | 2021-11-09 | Suspension cylinder pressure maintaining test device for electric wheel dump truck and using method thereof |
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| CN (1) | CN114166483A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4295677A (en) * | 1979-11-14 | 1981-10-20 | Petrin Jerome A | Self-dumping hoisting bucket assembly |
| CN202252836U (en) * | 2011-08-30 | 2012-05-30 | 三一重型装备有限公司 | Pressure measuring tool for bidirectional nitrogen charging of mining dumper |
| CN104931210A (en) * | 2015-06-16 | 2015-09-23 | 湘电重型装备有限公司 | Off-road dump truck gas spring inflation pressure retaining test device |
| CN105347175A (en) * | 2015-11-19 | 2016-02-24 | 重庆芦万木材有限公司 | Hoisting tool for hoisting battens |
| CN107543657A (en) * | 2017-10-09 | 2018-01-05 | 内蒙古北方重型汽车股份有限公司 | Housing clamps pressurizer and its application method |
| CN111188807A (en) * | 2020-03-13 | 2020-05-22 | 南京浦镇科技实业有限公司 | Pressure maintaining and no-load resistance testing device and method for rodless cylinder |
| CN212899237U (en) * | 2020-08-26 | 2021-04-06 | 徐州徐工液压件有限公司 | Fixed hydro-cylinder pressurize test device |
| CN216770999U (en) * | 2021-11-09 | 2022-06-17 | 内蒙古北方重型汽车股份有限公司 | Suspension cylinder pressure maintaining test device for electric wheel dump truck |
-
2021
- 2021-11-09 CN CN202111322045.7A patent/CN114166483A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4295677A (en) * | 1979-11-14 | 1981-10-20 | Petrin Jerome A | Self-dumping hoisting bucket assembly |
| CN202252836U (en) * | 2011-08-30 | 2012-05-30 | 三一重型装备有限公司 | Pressure measuring tool for bidirectional nitrogen charging of mining dumper |
| CN104931210A (en) * | 2015-06-16 | 2015-09-23 | 湘电重型装备有限公司 | Off-road dump truck gas spring inflation pressure retaining test device |
| CN105347175A (en) * | 2015-11-19 | 2016-02-24 | 重庆芦万木材有限公司 | Hoisting tool for hoisting battens |
| CN107543657A (en) * | 2017-10-09 | 2018-01-05 | 内蒙古北方重型汽车股份有限公司 | Housing clamps pressurizer and its application method |
| CN111188807A (en) * | 2020-03-13 | 2020-05-22 | 南京浦镇科技实业有限公司 | Pressure maintaining and no-load resistance testing device and method for rodless cylinder |
| CN212899237U (en) * | 2020-08-26 | 2021-04-06 | 徐州徐工液压件有限公司 | Fixed hydro-cylinder pressurize test device |
| CN216770999U (en) * | 2021-11-09 | 2022-06-17 | 内蒙古北方重型汽车股份有限公司 | Suspension cylinder pressure maintaining test device for electric wheel dump truck |
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