CN105253786A - Folding arm type lorry-mounted crane - Google Patents
Folding arm type lorry-mounted crane Download PDFInfo
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- CN105253786A CN105253786A CN201510721829.5A CN201510721829A CN105253786A CN 105253786 A CN105253786 A CN 105253786A CN 201510721829 A CN201510721829 A CN 201510721829A CN 105253786 A CN105253786 A CN 105253786A
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Abstract
The invention discloses a folding arm type lorry-mounted crane and belongs to the technical field of lorry-mounted cranes. The gantry folding arm type lorry-mounted crane achieves the technical purposes of being simple in structure, high in reliability and convenient to install and maintain. According to the adopted technical scheme, the bottom end of a stand column is installed on one edge of the upper face of a base assembly through a swing drive in an offset manner, a hydraulic oil tank is fixedly installed on the other edge of the base assembly, a hydraulic motor is fixedly installed on one side of the swing drive, the upper end of the stand column is hinged to one end of a movable arm assembly, the other end of the movable arm assembly is hinged to one end of a suspension arm assembly, a lifting hook assembly is installed at the other end of the suspension arm assembly, a cylinder body of a movable arm oil cylinder is hinged to the bottom of the stand column, and the end of a piston rod of the movable arm oil cylinder is hinged to the middle of the movable arm assembly; a cylinder body of a suspension arm oil cylinder is hinged to the middle of the movable arm assembly, and the end of a piston rod of the suspension arm oil cylinder is hinged to the suspension arm assembly; and an electrical system is controlled by a wired remote controller. Stand column offset, overall swing and gantry folding are adopted, so that the structure of the crane is simplified and the reliability is improved.
Description
Technical field
Foldable arm lorry-mounted crane of the present invention, belongs to lorry-mounted crane technical field.
Background technology
Foldable arm structure is one of General Construction form of lorry-mounted crane, and foldable arm lorry-mounted crane physical construction mainly comprises base assembly, revolution driving, column, swing arm assembly, boom assembly and suspension hook assembly etc.; Hydraulic efficiency pressure system mainly comprises boom cylinder, arm oil cylinder, telescopic oil cylinder, rotary motor, hydraulic winch, electro-hydraulic proportion reversing valve and balance cock etc.Wherein swing arm assembly, boom assembly, boom cylinder and arm oil cylinder form the luffing mechanism of hoisting crane jointly.Conventional foldable arm lorry-mounted crane, the space taking car chassis during retracted state is larger; And radius of turn is comparatively large during work, easy and hook load collides and interferes.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and it is simple that technical matters to be solved is to provide a kind of structure, and reliability is high, is convenient to the gate foldable arm lorry-mounted crane of installation and maintenance.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: foldable arm lorry-mounted crane, comprise base assembly, revolution drives, column, swing arm assembly, boom cylinder, boom assembly, arm oil cylinder, suspension hook assembly, HM Hydraulic Motor, hydraulic reservoir and electric system, column bottom drives setoff installation one side on base assembly by revolution, above base assembly, another side fixedly mounts the hydraulic reservoir of promising hydraulic efficiency pressure system fuel feeding, controlling revolution drives the HM Hydraulic Motor rotated to be fixedly mounted on the side turned round and drive, the upper end of described column and one end of swing arm assembly are hinged, the other end and boom assembly one end of swing arm assembly are hinged, the other end of boom assembly is provided with suspension hook assembly, the cylinder body of boom cylinder is hinged on column bottom and the middle part of its piston rod end and swing arm assembly is hinged, the cylinder body of arm oil cylinder is hinged on the middle part of swing arm assembly and its piston rod end and boom assembly are hinged, electric system is controlled by wire remote control devices.
Described boom assembly is telescopic hoist boom, comprise basic arm, telescopic boom and telescopic oil cylinder, described telescopic boom is sleeved on basic arm inside, and telescopic oil cylinder is positioned at telescopic boom inside, and the cylinder body of telescopic oil cylinder is hinged on telescopic boom inwall and its piston rod end and basic arm inwall is hinged.
The basic arm of described boom assembly and telescopic boom are hexagon list welding line structure.
Described base assembly is provided with electro-hydraulic proportion reversing valve.
In described electro-hydraulic proportion reversing valve, by pass valve is installed.
The basic arm outer wall of described boom assembly is installed with hydraulic winch, described hydraulic winch is provided with motor, balance cock and mechanical normal closed formula drg.
The telescopic oil cylinder of described boom cylinder, arm oil cylinder and boom assembly is all provided with balance cock.
The basic arm outer wall of described boom assembly is installed with the peg corresponding with suspension hook during suspension hook assembly retracted state.
The beneficial effect that the present invention is compared with the existing technology had is: the present invention adopts column to be biased, and increases swing arm assembly length, and then increases hoisting crane work range and lifting altitude, adopt integral type revolution to drive, reduce complete machine height, gate folding arm structure, reduce complete machine overall dimensions and height, save installing space, the designs simplification of hoisting crane, reliability are improved, larger work range and lifting altitude can be met simultaneously, function admirable, reliability is high, and it is convenient to manipulate, and is easy to maintaining; The relative position setting of column, swing arm assembly, boom assembly, the carrying optimizing boom cylinder and arm oil cylinder is stressed, the operation pressure of boom cylinder and arm oil cylinder is consistent, hydraulic work system Rational Matching of Parameters; The arm body of boom assembly of the present invention adopts hexagon list welding line structure, realizes good flexible steering capability, improves resistance to bending and the presentation quality of arm; The present invention installs hydraulic winch immediately below arm, can realize the vertical lift of weight.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is structural representation of the present invention.
Fig. 2 is another kind of working state schematic representation of the present invention.
Fig. 3 is idle state schematic diagram of the present invention.
In figure: 1 is base assembly, 2 is revolution driving, and 3 is column, and 4 is swing arm assembly, and 5 is boom cylinder, 6 is boom assembly, and 7 is arm oil cylinder, and 8 is suspension hook assembly, and 9 is HM Hydraulic Motor, 10 is hydraulic reservoir, and 11 is electro-hydraulic proportion reversing valve, and 12 is hydraulic winch, and 13 is peg.
Detailed description of the invention
As Figure 1-3, foldable arm lorry-mounted crane of the present invention, comprise base assembly 1, revolution driving 2, column 3, swing arm assembly 4, boom cylinder 5, boom assembly 6, arm oil cylinder 7, suspension hook assembly 8, HM Hydraulic Motor 9, hydraulic reservoir 10 and electric system, column 3 bottom is by revolution driving 2 setoff installation one side on base assembly 1, base assembly 1 above another side fixedly mounts the hydraulic reservoir 10 of promising hydraulic efficiency pressure system fuel feeding, the HM Hydraulic Motor 9 controlling revolution driving 2 rotation is fixedly mounted on the side of revolution driving 2, the upper end of described column 3 and one end of swing arm assembly 4 are hinged, the other end and boom assembly 6 one end of swing arm assembly 4 are hinged, the other end of boom assembly 6 is provided with suspension hook assembly 8, the cylinder body of boom cylinder 5 is hinged on bottom the column 3 and middle part of its piston rod end and swing arm assembly 4 and is hinged, the cylinder body of arm oil cylinder 7 is hinged on the middle part of swing arm assembly 4 and its piston rod end and boom assembly 6 are hinged, electric system is controlled by wire remote control devices, long-distance remote control operation can be carried out by wire remote control devices, the visual field is good, manipulation is convenient.
Described boom assembly 6 is telescopic hoist boom, comprise basic arm, telescopic boom and telescopic oil cylinder, described telescopic boom is sleeved on basic arm inside, and telescopic oil cylinder is positioned at telescopic boom inside, and the cylinder body of telescopic oil cylinder is hinged on telescopic boom inwall and its piston rod end and basic arm inwall is hinged.Arrange oil duct in the piston rod of telescopic oil cylinder, be convenient to the connection of hydraulic tubing, the built-in layout of telescopic oil cylinder, effectively reduces hoisting crane oad.
The basic arm of described boom assembly 6 and telescopic boom are hexagon list welding line structure.
Described base assembly 1 is provided with electro-hydraulic proportion reversing valve 11, utilizes electric signal to be convenient to realize distance control, flow, the pressure of liquid stream can be controlled in proportion, thus the continuous control of direction, speed and power is realized to each mechanism, and realize automatic stepless speed-regulating.
In described electro-hydraulic proportion reversing valve 11, by pass valve is installed, setting safe pressure, overflow restraint during overload, lift crane safe reliability.
The basic arm outer wall of described boom assembly 6 is installed with hydraulic winch 12, described hydraulic winch 12 is provided with motor, balance cock and mechanical normal closed formula drg.
The telescopic oil cylinder of described boom cylinder 5, arm oil cylinder 7 and boom assembly is all provided with balance cock, makes hoisting crane stable action, prevent arm from falling after rise.
The basic arm outer wall of described boom assembly 6 is installed with the peg 13 corresponding with suspension hook during suspension hook assembly 8 retracted state.When the present invention is in retracted state, suspension hook can be hung on peg 13 in pull-up, avoids suspension hook disorderly to shake and causes danger and conserve space.
Described base assembly 1 comprises crossbeam, bearing and equalizing bar, and bearing is linked as entirety by box-like body and crossbeam, promotes base assembly strength and stiffness, adopts equalizing bar to regulate the center-of-gravity position of hoisting crane, reduces tilting moment during its operation.
In the present invention, lifting mechanism forms primarily of hydraulic winch 12, fixed pulley group, steel rope and suspension hook assembly 8, can vertical-lift or decline goods.Hydraulic winch 12 is provided with HM Hydraulic Motor, balance cock and mechanical normal closed formula drg.Hydraulic-driven realizes large-scale infinite speed variation, and compact conformation, smooth running, overload protection performance be good, braking reliable, can guarantee to promote or decline goods time steadily reliable.Steel rope selects anti-rotational steel rope, and in lifting operation process, steel rope can not twist, and makes lifting operation process steadily reliable.
Be illustrated in figure 3 retracted state of the present invention, column 3, swing arm assembly 4 and boom assembly 6 in gate, and due to column 3 be setoff installation on base assembly 1, under the prerequisite meeting certain work range and lifting altitude, its compact conformation, overall dimensions and required installing space less.
Be mode of operation of the present invention as shown in Figure 1 and Figure 2.When the present invention works, take suspension hook assembly 8 and make it be in overhang, being stretched out by boom cylinder 5 piston rod makes swing arm assembly 4 steeve, being stretched out by arm oil cylinder 7 piston rod makes boom assembly 6 steeve again, telescopic boom stretches out by the telescopic oil cylinder controlling boom assembly 6 after decline suspension hook assembly 8, and state as shown in Figure 2.The present invention is returned back to job position, utilizes hydraulic winch 12 to carry out the lifting operation of weight, after lifting, state as shown in Figure 1; After hoisting heavy returns back to job position, weight vertical drop can be made to ground by hydraulic winch 12, also can be changed work range and the lifting altitude of hoisting crane by the piston rod of bounce back boom cylinder 5 or arm oil cylinder 7, by weight-drop to ground.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (8)
1. foldable arm lorry-mounted crane, it is characterized in that: comprise base assembly (1), revolution drives (2), column (3), swing arm assembly (4), boom cylinder (5), boom assembly (6), arm oil cylinder (7), suspension hook assembly (8), HM Hydraulic Motor (9), hydraulic reservoir (10) and electric system, column (3) bottom drives (2) setoff installation one side on base assembly (1) by revolution, base assembly (1) above another side fixedly mounts the hydraulic reservoir (10) of promising hydraulic efficiency pressure system fuel feeding, control to turn round the HM Hydraulic Motor (9) driving (2) to rotate and be fixedly mounted on the side that revolution drives (2), the upper end of described column (3) and one end of swing arm assembly (4) are hinged, the other end and boom assembly (6) one end of swing arm assembly (4) are hinged, the other end of boom assembly (6) is provided with suspension hook assembly (8), the cylinder body of boom cylinder (5) is hinged on column (3) bottom and the middle part of its piston rod end and swing arm assembly (4) is hinged, the cylinder body of arm oil cylinder (7) is hinged on the middle part of swing arm assembly (4) and its piston rod end and boom assembly (6) are hinged, electric system is controlled by wire remote control devices.
2. foldable arm lorry-mounted crane according to claim 1, it is characterized in that: described boom assembly (6) is telescopic hoist boom, comprise basic arm, telescopic boom and telescopic oil cylinder, described telescopic boom is sleeved on basic arm inside, telescopic oil cylinder is positioned at telescopic boom inside, and the cylinder body of telescopic oil cylinder is hinged on telescopic boom inwall and its piston rod end and basic arm inwall is hinged.
3. foldable arm lorry-mounted crane according to claim 2, is characterized in that: the basic arm of described boom assembly (6) and telescopic boom are hexagon list welding line structure.
4. the foldable arm lorry-mounted crane according to Claims 2 or 3, is characterized in that: described base assembly (1) is provided with electro-hydraulic proportion reversing valve (11).
5. foldable arm lorry-mounted crane according to claim 4, is characterized in that: described electro-hydraulic proportion reversing valve is provided with by pass valve in (11).
6. the foldable arm lorry-mounted crane according to Claims 2 or 3, it is characterized in that: the basic arm outer wall of described boom assembly (6) is installed with hydraulic winch (12), described hydraulic winch (12) is provided with motor, balance cock and mechanical normal closed formula drg.
7. the foldable arm lorry-mounted crane according to Claims 2 or 3, is characterized in that: the telescopic oil cylinder of described boom cylinder (5), arm oil cylinder (7) and boom assembly is all provided with balance cock.
8. the foldable arm lorry-mounted crane according to Claims 2 or 3, is characterized in that: the basic arm outer wall of described boom assembly (6) is installed with the peg (13) corresponding with suspension hook during suspension hook assembly (8) retracted state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721829.5A CN105253786A (en) | 2015-10-30 | 2015-10-30 | Folding arm type lorry-mounted crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721829.5A CN105253786A (en) | 2015-10-30 | 2015-10-30 | Folding arm type lorry-mounted crane |
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| Publication Number | Publication Date |
|---|---|
| CN105253786A true CN105253786A (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510721829.5A Pending CN105253786A (en) | 2015-10-30 | 2015-10-30 | Folding arm type lorry-mounted crane |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605868A (en) * | 2017-10-30 | 2018-01-19 | 华电郑州机械设计研究院有限公司 | A kind of hydraulic system of crane |
| CN108396796A (en) * | 2018-03-29 | 2018-08-14 | 山东临工工程机械有限公司 | A kind of secondary arm |
| CN108883918A (en) * | 2016-04-08 | 2018-11-23 | 株式会社多田野 | crane |
| CN109386015A (en) * | 2018-11-05 | 2019-02-26 | 山东帝盟重工机械有限公司 | A kind of single-unit arm excavator |
| CN109809308A (en) * | 2019-03-22 | 2019-05-28 | 蚌埠市神舟机械有限公司 | A kind of movable boom for ship boat loading and unloading |
| CN109811661A (en) * | 2019-03-22 | 2019-05-28 | 蚌埠市神舟机械有限公司 | A kind of Working mechanism set up for boat |
| CN112551388A (en) * | 2020-12-22 | 2021-03-26 | 通州建总起重设备安装有限公司 | Portable small crane |
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| CN201109694Y (en) * | 2007-09-25 | 2008-09-03 | 长治清华机械厂 | Door type lorry-mounted crane |
| CN201999651U (en) * | 2011-01-31 | 2011-10-05 | 徐州徐工随车起重机有限公司 | Heavy tonnage lorry-mounted crane |
| CN202924612U (en) * | 2012-10-18 | 2013-05-08 | 中国人民解放军总后勤部建筑工程研究所 | Linear hoisting device for truck-mounted knuckle boom crane |
| CN202988613U (en) * | 2012-09-27 | 2013-06-12 | 镇江维斯特船用设备有限公司(外商独资) | Crane for ship |
| CN205204682U (en) * | 2015-10-30 | 2016-05-04 | 长治清华机械厂 | Folding arm -type lorry crane |
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2015
- 2015-10-30 CN CN201510721829.5A patent/CN105253786A/en active Pending
Patent Citations (5)
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| CN201109694Y (en) * | 2007-09-25 | 2008-09-03 | 长治清华机械厂 | Door type lorry-mounted crane |
| CN201999651U (en) * | 2011-01-31 | 2011-10-05 | 徐州徐工随车起重机有限公司 | Heavy tonnage lorry-mounted crane |
| CN202988613U (en) * | 2012-09-27 | 2013-06-12 | 镇江维斯特船用设备有限公司(外商独资) | Crane for ship |
| CN202924612U (en) * | 2012-10-18 | 2013-05-08 | 中国人民解放军总后勤部建筑工程研究所 | Linear hoisting device for truck-mounted knuckle boom crane |
| CN205204682U (en) * | 2015-10-30 | 2016-05-04 | 长治清华机械厂 | Folding arm -type lorry crane |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108883918A (en) * | 2016-04-08 | 2018-11-23 | 株式会社多田野 | crane |
| CN108883918B (en) * | 2016-04-08 | 2020-12-08 | 株式会社多田野 | Crane with a movable crane |
| CN107605868A (en) * | 2017-10-30 | 2018-01-19 | 华电郑州机械设计研究院有限公司 | A kind of hydraulic system of crane |
| CN108396796A (en) * | 2018-03-29 | 2018-08-14 | 山东临工工程机械有限公司 | A kind of secondary arm |
| CN109386015A (en) * | 2018-11-05 | 2019-02-26 | 山东帝盟重工机械有限公司 | A kind of single-unit arm excavator |
| CN109809308A (en) * | 2019-03-22 | 2019-05-28 | 蚌埠市神舟机械有限公司 | A kind of movable boom for ship boat loading and unloading |
| CN109811661A (en) * | 2019-03-22 | 2019-05-28 | 蚌埠市神舟机械有限公司 | A kind of Working mechanism set up for boat |
| CN112551388A (en) * | 2020-12-22 | 2021-03-26 | 通州建总起重设备安装有限公司 | Portable small crane |
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Application publication date: 20160120 |