CN205204682U - Folding arm -type lorry crane - Google Patents
Folding arm -type lorry crane Download PDFInfo
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- CN205204682U CN205204682U CN201520853428.0U CN201520853428U CN205204682U CN 205204682 U CN205204682 U CN 205204682U CN 201520853428 U CN201520853428 U CN 201520853428U CN 205204682 U CN205204682 U CN 205204682U
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Abstract
本实用新型一种折叠臂式随车起重机，属于随车起重机技术领域；所要解决的技术问题是提供一种结构简单，可靠性高，便于安装维护的门型折叠臂式随车起重机；采用的技术方案是：立柱底端通过回转驱动偏置安装在底座总成的一边，底座总成另一边固定安装液压油箱，液压马达固定安装在回转驱动一侧，立柱上端与动臂总成一端相铰接，动臂总成另一端与吊臂总成一端相铰接，吊臂总成另一端安装有吊钩总成，动臂油缸的缸体铰接在立柱底部且其活塞杆端部与动臂总成中部相铰接，吊臂油缸的缸体铰接在动臂总成中部且其活塞杆端部与吊臂总成相铰接，电气系统由有线遥控器控制；本实用新型采用立柱偏置、整体回转、门型折叠，使起重机的结构简化、可靠性提高。
The utility model is a folding-arm truck-mounted crane, which belongs to the technical field of truck-mounted cranes; the technical problem to be solved is to provide a door-type folding-arm truck-mounted crane with simple structure, high reliability and easy installation and maintenance; The technical solution is: the bottom end of the column is offset and installed on one side of the base assembly through the rotary drive, the hydraulic oil tank is fixedly installed on the other side of the base assembly, the hydraulic motor is fixedly installed on the rotary drive side, and the upper end of the column is hinged to one end of the boom assembly , the other end of the boom assembly is hinged with one end of the boom assembly, the other end of the boom assembly is equipped with a hook assembly, the cylinder body of the boom cylinder is hinged at the bottom of the column and the end of the piston rod is connected to the boom assembly The middle part is hinged, the cylinder body of the boom cylinder is hinged in the middle of the boom assembly and the end of the piston rod is hinged with the boom assembly, and the electrical system is controlled by a wired remote controller; the utility model adopts column offset, integral rotation, The door type is folded, which simplifies the structure and improves the reliability of the crane.
Description
Technical field
A kind of foldable arm lorry-mounted crane of the utility model, 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.
Utility model content
The utility model 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 scheme that the utility model adopts is: a kind of 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 utility model is compared with the existing technology had is: the utility model adopts column to be biased, increase swing arm assembly length, and then increase hoisting crane work range and lifting altitude, integral type revolution is adopted 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 utility model adopts hexagon list welding line structure, realizes good flexible steering capability, improves resistance to bending and the presentation quality of arm; The utility model installs hydraulic winch immediately below arm, can realize the vertical lift of weight.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is another kind of working state schematic representation of the present utility model.
Fig. 3 is idle state schematic diagram of the present utility model.
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, a kind of foldable arm lorry-mounted crane of the utility model, 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 utility model 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 utility model, 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 the utility model retracted state, 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 utility model works state as shown in Figure 1 and Figure 2.During utility model 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 utility model 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 embodiment of the present utility model is explained in detail above, but the utility model 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 the utility model aim.
Claims (8)
1. a 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. a kind of 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. a kind of 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. a kind of 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. a kind of 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. a kind of 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. a kind of 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. a kind of 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 |
|---|---|---|---|
| CN201520853428.0U CN205204682U (en) | 2015-10-30 | 2015-10-30 | Folding arm -type lorry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520853428.0U CN205204682U (en) | 2015-10-30 | 2015-10-30 | Folding arm -type lorry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205204682U true CN205204682U (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520853428.0U Expired - Fee Related CN205204682U (en) | 2015-10-30 | 2015-10-30 | Folding arm -type lorry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205204682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253786A (en) * | 2015-10-30 | 2016-01-20 | 长治清华机械厂 | Folding arm type lorry-mounted crane |
| CN108240490A (en) * | 2018-01-15 | 2018-07-03 | 湖南三乐水电设备研发有限责任公司 | The quick flap valve of decompression type |
| CN109263533A (en) * | 2018-09-26 | 2019-01-25 | 三汽车制造有限公司 | Turntable arm support system and special vehicle |
-
2015
- 2015-10-30 CN CN201520853428.0U patent/CN205204682U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253786A (en) * | 2015-10-30 | 2016-01-20 | 长治清华机械厂 | Folding arm type lorry-mounted crane |
| CN108240490A (en) * | 2018-01-15 | 2018-07-03 | 湖南三乐水电设备研发有限责任公司 | The quick flap valve of decompression type |
| CN109263533A (en) * | 2018-09-26 | 2019-01-25 | 三汽车制造有限公司 | Turntable arm support system and special vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 046012 mailbox, Changzhi, Shanxi, 6 Co-patentee after: CHINA ACADEMY OF LAUNCH VEHICLE TECHNOLOGY Patentee after: SHANXI AEROSPACE QINGHUA EQUIPMENT Co.,Ltd. Address before: 046012 mailbox, Changzhi, Shanxi, 6 Co-patentee before: China Academy of Launch Vehicle Technology Patentee before: CHANGZHI QINGHUA MACHINERY FACTORY |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |