CN205204682U - Folding arm -type lorry crane - Google Patents

Folding arm -type lorry crane Download PDF

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Publication number
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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China
Prior art keywords
assembly
boom
arm
cylinder
crane
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Active
Application number
CN201520853428.0U
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Chinese (zh)
Inventor
李凯
孙晓峰
郜普刚
柳明
王乐有
汤志远
许燕强
赵振峰
宋丽娟
王振
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China Academy of Launch Vehicle Technology CALT
Shanxi Aerospace Qinghua Equipment Co Ltd
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China Academy of Launch Vehicle Technology CALT
Changzhi Qinghua Machinery Factory
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Priority to CN201520853428.0U priority Critical patent/CN205204682U/en
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Abstract

The utility model relates to a folding arm -type lorry crane belongs to lorry crane technical field, the technical problem that will solve provides a simple structure, and the reliability is high, is convenient for install the door type folding arm -type lorry crane who maintains, the technical scheme who adopts is: the stand bottom is passed through the swing drives biasing and is installed the one side at the base assembly, base assembly another side fixed mounting hydraulic tank, hydraulic motor fixed mounting is in swing drives one side, the stand upper end is articulated mutually with swing arm assembly one end, the swing arm assembly other end is articulated mutually with boom assembly one end, hook assembly is installed to the boom assembly other end, boom cylinder's cylinder body articulates and articulates mutually with swing arm assembly middle part in stand bottom and its tailpiece of the piston rod portion, the cylinder body of davit hydro -cylinder articulates at swing arm assembly middle part and its tailpiece of the piston rod portion articulatedly mutually with the boom assembly, electric system is controlled by the wired remote control ware, the utility model discloses a stand biasing, wholly gyration, door type are folded, make structure simplification, the reliability of hoist improve.

Description

A kind of foldable arm lorry-mounted crane
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.
CN201520853428.0U 2015-10-30 2015-10-30 Folding arm -type lorry crane Active CN205204682U (en)

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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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
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 spaceflight Qinghua Equipment Co., Ltd.

Address before: 046012 mailbox, Changzhi, Shanxi, 6

Co-patentee before: China Academy of Launch Vehicle Technology

Patentee before: Qinghua Machinery Plant, Changzhi