CN104085799B - A kind of pulling type lorry-mounted crane had from walking function - Google Patents
A kind of pulling type lorry-mounted crane had from walking function Download PDFInfo
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- CN104085799B CN104085799B CN201410355289.9A CN201410355289A CN104085799B CN 104085799 B CN104085799 B CN 104085799B CN 201410355289 A CN201410355289 A CN 201410355289A CN 104085799 B CN104085799 B CN 104085799B
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- mounted crane
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Abstract
The invention discloses a kind of pulling type lorry-mounted crane had from walking function.In order to solve existing lorry-mounted crane function singleness, scope of work is little, the problem that commonality is not high, and described pulling type lorry-mounted crane mainly comprises the chassis of trailer be made up of subframe and road wheel; Caterpillar wheel is equipped with in the bottom of described subframe, and subframe is equipped with front leg strut and rear support leg, and this rear support leg is equipped with oil cylinder; Hoisting device is equipped with by swing type mechanism in described subframe top; Described hoisting device comprises basic arm, multi-stage telescopic arms etc., and suspension hook or manipulator assembly are housed in the outer end of telescopic boom, often saves telescopic boom built with telescopic oil cylinder, between basic arm and subframe, amplitude oil cylinder is housed; Described subframe is also equipped with electrohydraulic control system, power system; Described road wheel is walked by drive systems.The draw beam mechanism for being connected with main car is equipped with in described chassis of trailer front end.Functional diversities of the present invention, operating radius is large, and commonality is high.
Description
Technical field
The present invention relates to and a kind ofly integrate lifting, crawl, from walking, with the special truck with loading crane of car transportation function, be specially a kind of pulling type lorry-mounted crane had from walking function.
Background technology
Current lorry-mounted crane as shown in Figure 1, mainly comprises chassis, suspension hook 2, subframe 11, loop wheel machine assembly 3, electric system 7, hydraulic efficiency pressure system 8 and supporting leg 4; The Self-loading-unloading of goods and transport, hoisting operation can be realized.But existing this lorry-mounted crane exists following shortcoming: 1, the main chassis form of product is fixed, and need to reequip every chassis chassis, chassis refit difficulty.2, product scope of work is smaller, cannot meet car to car operation.3, loop wheel machine takies space, chassis, have impact on chassis carrying capacity.
Summary of the invention
Not enough in order to overcome existing lorry-mounted crane chassis carrying capacity, chassis refit difficulty, scope of work is little, the defect that commonality is not high, the present invention aims to provide a kind of pulling type lorry-mounted crane had from walking function, and this lorry-mounted crane can realize freely arranging in pairs or groups, without the need to reequiping the chassis of every chassis of hoisting crane and main car, have from walking function simultaneously, greatly can expand scope of work.
To achieve these goals, the technical solution adopted in the present invention is:
There is the pulling type lorry-mounted crane from walking function, comprise the chassis of trailer primarily of subframe and road wheel composition; Caterpillar wheel is equipped with in the bottom of described subframe, and the front leg strut be foldable to above subframe is housed in one end of subframe, and the other end of this subframe is equipped with the rear support leg be foldable to above subframe, this rear support leg is equipped with the rear support leg oil cylinder driving its lifting; Hoisting device is equipped with by swing type mechanism in described subframe top; Described hoisting device comprises the basic arm be hinged on subframe, is contained in the multi-stage telescopic arms on basic arm, and suspension hook or manipulator assembly are housed in the outer end of telescopic boom, often saves telescopic boom built with telescopic oil cylinder, between basic arm and subframe, amplitude oil cylinder is housed; The hydraulic efficiency pressure system for driving each cylinder movement described subframe is also equipped with; Described road wheel drives assembly and the power system be contained on subframe to be connected by one; The draw beam mechanism for being connected with main car is equipped with in described chassis of trailer front end.
Be below the technical scheme of further improvement of the present invention:
Further, described suspension hook or manipulator assembly are contained in the outer end of telescopic boom by flexible arm head; The motor driving described manipulator assembly to horizontally rotate this flexible arm head is equipped with.
As a kind of concrete version, described multi-stage telescopic arms is the first telescopic boom be contained on basic arm, and is contained in the second telescopic boom on the first telescopic boom; Described first telescopic boom is built with driving first telescopic boom first telescopic oil cylinder extended or retracted relative to basic arm, described second telescopic boom is built with driving second telescopic boom second telescopic oil cylinder extended or retracted relative to the first telescopic boom, during work, telescopic oil cylinder drives corresponding telescopic boom to stretch out, greatly expand operating radius and the operation height of hoisting crane, when not working, telescopic oil cylinder drives corresponding telescopic boom to shrink, and namely may be folded on subframe.
Preferably, described manipulator assembly comprises ratchet, and this ratchet is driven by described hydraulic efficiency pressure system and realizes launching or closing up.
In order to realize lightweight object, described subframe entirety is in X-shaped.
Described subframe is also equipped with electrohydraulic control system, power system.
Less space is taken when supporting leg draws in order to make hoisting crane, have larger supporting leg span when operation simultaneously, the operational capability of lifting vehicle, the front end of described subframe is fixed supporting leg, this fixed supporting leg termination is provided with two hinge ear, described front leg strut has single hinging-ear, and this single hinging-ear is cut with scissors ear be hinged and connected by a torsion bar with two; The line of centers of described single hinging-ear and the mobile jib axis of described front leg strut form angle, and the line of centers of described two hinge line of centers of ear and the fixed supporting leg of subframe forms angle, makes path of motion during front leg strut folding and unfolding be the conical surface.
Described subframe top has fixed cover, has the skewed slot for fixing front leg strut and rear support leg when front leg strut, rear support leg fold in this fixed cover.
Compared with prior art, the invention has the beneficial effects as follows:
1. cost is low, good economy performance.Product does not need to reequip main chassis, and can coordinate the operation of many cars by a car, and possess very large cost advantage, economic benefit is obvious.
2. hoisting function is taken into account with crawl function.Product is equipped with suspension hook and robot device, can carry out hoisting operation and capture operation function conversion, can a car multiplex, convenient be responsible for handling situations.
3. have concurrently from walking and with car transportation function.Product is reequiped by chassis of trailer and is equipped with independent power system, possesses from walking and following main car transportation function, emergent superior performance.
4. improve carrying space and the ability on chassis.
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of existing hoisting crane;
Fig. 2 is the structure principle chart of one embodiment of the invention;
Fig. 3 is the working state figure of an embodiment of the present invention (suspension hook);
Fig. 4 is the structural representation of an embodiment of the present invention (manipulator assembly);
Fig. 5 is the working state figure of Fig. 4;
Fig. 6 is the constitution diagram with car transport after the present invention folds;
Fig. 7 is the structural representation after the present invention folds;
Fig. 8 is that an embodiment of the present invention is from walking constitution diagram;
Fig. 9 is the structural representation of X subframe of the present invention;
Figure 10 is the structural representation of X subframe of the present invention and front leg strut;
Figure 11 is the connection diagram (front leg strut launches) of X subframe of the present invention and front leg strut;
Figure 12 is the connection diagram (front leg strut draws in) of X subframe of the present invention and front leg strut;
Figure 13 is the path of motion schematic diagram that front leg strut of the present invention launches to draw in;
Figure 14 is the structural representation of suspension hook of the present invention or manipulator assembly.
In the drawings
1-manipulator assembly; 2-suspension hook; 3-loop wheel machine assembly; 4-supporting leg; 5-chassis of trailer; 6-drives assembly; 7-electric system; 8-hydraulic efficiency pressure system; 9-power system; 10-road wheel; 11-subframe; 12-second telescopic boom; 13-second telescopic oil cylinder; 14-first telescopic boom; 15-first telescopic oil cylinder; 16-amplitude oil cylinder; 17-basic arm; 18-swing type mechanism; 19-front leg strut; 20-caterpillar wheel; 21-rear support leg; 22-support oil cylinder; 23-motor; 24-ratchet; 25-single hinging-ear; 26-torsion bar; 27-boosting-rod; 28-two hinge ear; 29-nylon jacket; 30-bearing pin; 31-stretches arm head; The main car of 33-.
Detailed description of the invention
There is the pulling type lorry-mounted crane from walking function, as shown in Figures 2 and 3, comprise the chassis of trailer 5 formed primarily of subframe 11 and road wheel 10; Caterpillar wheel 20 is equipped with in the bottom of described subframe 11, the front leg strut 19 be foldable to above subframe 11 is housed in one end of subframe 11, the other end of this subframe 11 is equipped with the rear support leg 21 be foldable to above subframe 11, this rear support leg 21 is equipped with the rear support leg oil cylinder 22 driving its lifting; Hoisting device is equipped with by swing type mechanism 18 in described subframe 11 top; Described hoisting device comprises basic arm 17, is contained in the first telescopic boom 14 on basic arm 17, and is contained in the second telescopic boom 12 on the first telescopic boom 14; Described first telescopic boom 14 is built with extended or retracted the first telescopic oil cylinder 15 of the relative basic arm 17 of driving first telescopic boom 14, and described second telescopic boom 12 is built with extended or retracted the second telescopic oil cylinder 13 of relative first telescopic boom 14 of driving second telescopic boom 12; In the second telescopic boom 12 outer end, suspension hook 2 or manipulator assembly 1 are housed, described suspension hook 2 or manipulator assembly 1 are contained in the outer end of telescopic boom by flexible arm head 31; This flexible arm head 31 is equipped with the motor 23 driving described manipulator assembly 1 to horizontally rotate, amplitude oil cylinder 16 is housed between basic arm 17 and subframe 11; The hydraulic efficiency pressure system 8 for driving each cylinder movement described subframe 11 is also equipped with; Described manipulator assembly 1 comprises ratchet 24, and this ratchet 24 is driven by described hydraulic efficiency pressure system and realizes launching or closing up.Described road wheel 10 is connected with driving assembly 6, and this driving assembly 6 is driven by the power system 9 be contained on subframe 11, needs in time walking, and power system 9 drives road wheel to walk by driving assembly 6; The draw beam mechanism for being connected with main car 33 is equipped with in described chassis of trailer 5 front end.
As shown in Figure 10 and 13, the front end of the overall described subframe 11 in X-shaped is fixed supporting leg, and this fixed supporting leg termination is provided with two hinge ear 28, and described front leg strut 9 has single hinging-ear 25, and this single hinging-ear 25 is cut with scissors ear 28 be hinged and connected by torsion bar 26 with two; The line of centers of described single hinging-ear 25 and the mobile jib axis of described front leg strut 19 form angle, and the line of centers of described two hinge line of centers of ear 28 and the fixed supporting leg of subframe 11 forms angle, makes path of motion during front leg strut 19 folding and unfolding be the conical surface.
As shown in figure 12, described subframe 11 top has fixed cover, has the skewed slot for fixing front leg strut 19 and rear support leg 21 when front leg strut 19, rear support leg 21 fold in this fixed cover.
Thus, the pulling type lorry-mounted crane of the present embodiment has following function:
One, hoisting function:
1, dead work:
Trailer is pulled to work-yard by main car, caterpillar wheel 20 is transferred to landing, front leg strut 19 and rear support leg 21 are turn to ground from subframe 11, insert bearing pin, start power system 9, control rear support leg oil cylinder 22 by hydraulic efficiency pressure system 8 and electric system 7 to be elevated, regulate the lifting of rear support leg oil cylinder 22 that the support foot plate of front leg strut 19 is effectively landed, now road wheel 10 is suspended from the ground (now adopting suspension hook 2 operation)
2, working process:
By the action of amplitude oil cylinder 16, first telescopic oil cylinder 15, second telescopic oil cylinder 13, drive the action of the first telescopic boom 14, second telescopic boom 12, basic arm 17, the hoisting of suspension hook 2 can be realized, decline, under the driving of swing type mechanism 18, hoisting device can do 360 ° of revolutions, thus realizes the hoisting operation in certain scope of work;
Two, function is captured.
1, dead work:
Trailer is pulled to work-yard by main car, caterpillar wheel 20 is transferred to landing, front leg strut 19 and rear support leg 21 are turn to ground from subframe 11, insert bearing pin, start power system 9, control rear support leg oil cylinder 22 by hydraulic efficiency pressure system 8 and electric system 7 to be elevated, regulate the lifting of rear support leg oil cylinder 22, the support foot plate of front leg strut 19 is effectively landed, now road wheel 10 is suspended from the ground, by arm combinative movement, arm head is moved to chassis of trailer 5 and lay robot device 1 place, take off suspension hook 2, bearing pin is through arm head suspension hook connecting bore and motor 23 head mounting hole, thus robot device 1 is fixed on arm head.
2, working process:
By the action of amplitude oil cylinder 16, first telescopic oil cylinder 15, second telescopic oil cylinder 13, drive the action of the first telescopic boom 14, second telescopic boom 12, basic arm 17, the hoisting of robot device 1 can be realized, decline, control ratchet 24 by hydraulic efficiency pressure system 8 and electric system 7 launch or shrink, thus realize capturing goods function, by the rotation of motor 23 output shaft, can realize goods towards conversion, under the driving of swing type mechanism 18, hoisting device can do 360 ° of revolutions, realizes the crawl operation in certain scope of work.
Three, with car transportation function
Loop wheel machine assembly is bounced back to lowest order, places forward, pack up front and back supporting leg, landed by the road wheel 10 of chassis of trailer 5, rise caterpillar wheel 20, trailer can realize with car transportation function.
Four, from walking function
Transfer caterpillar wheel 20 to land, start power system 9, the tyre surface of the trailer road wheel 10 that rubbed by driving assembly 6, thus realize from walking function.
Pulling type lorry-mounted crane of the present invention is equipped with hoisting device, and car load main body is got on the bus by self-powered source, chassis of trailer 5 forms.Chassis of trailer 5 is for body supports and walking, gets on the bus for hoisting operation in self-powered source.
X-type subframe of the present invention have employed light-weight design, devises X-type, can alleviate the weight of subframe.
Supporting leg upset mode of the present invention adopts following design:
Front leg strut 19 have employed weight-saving Truss Design, lighter in weight, is convenient to upset.Single hinging-ear 25 on front leg strut 19 inserts the two hinge ears 28 on subframe 11, is then connected by torsion bar 26.During folding and unfolding supporting leg, torsion bar 26 is rotated by boosting-rod 27, thus drive supporting leg to rotate, transfer (as upper supporting leg is transferred shown in constitution diagram) after putting in place, insert anchor shaft, as shown in upper supporting leg rounding state figure, when the lower rhabd of front leg strut 19 is inserted in the skewed slot of nylon jacket 29 on subframe completely, get final product fixed supporting leg.
Rear support leg 21 adopts same project organization with front leg strut 19, and upset mode is consistent.
Because single hinging-ear 25 forms angle with the mobile jib axis of front leg strut 19, two hinge ear 28 is also form angle with subframe line of centers, so path of motion during supporting leg folding and unfolding is the conical surface, so, this kind of mode can make vehicle take less space when supporting leg draws in, thus meet transportation request, vehicle can be made again when supporting leg launches to have larger supporting leg span, thus the operational capability of lifting vehicle.
As shown in the figure, front leg strut 19 line of centers and supporting leg single hinging-ear 25 line of centers form angle, and subframe fixed supporting leg line of centers and subframe pair cut with scissors ear 28 line of centers and form angle, therefore, front leg strut 19 can rotate around supporting leg rotation centerline, and its path of motion is the conical surface, i.e. dash area shown in Figure 13.
Crawl operation of the present invention and hoisting operation mode handover procedure are: capture operation and hoisting operation pattern switching mechanism is made up of bearing pin 30, suspension hook 2, manipulator assembly 1.Flexible arm head 31 leaves mounting hole, when hoisting operation, suspension hook 2 is connected to arm head by bearing pin 30, the hoisting of suspension hook can be driven by boom arm sections resultant motion, decline, thus complete hoisting operation.Can by manipulator assembly 1, be connected to arm head by bearing pin 30 when capturing operation, by the action of ratchet on boom arm sections resultant motion and robot device, goods can be completed and capture, the action such as to turn to.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the present invention, and be not used in and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Claims (5)
1. there is the pulling type lorry-mounted crane from walking function, it is characterized in that, comprise the chassis of trailer (5) formed primarily of subframe (11) and road wheel (10); Caterpillar wheel (20) is equipped with in the bottom of described subframe (11), the front leg strut (19) being foldable to subframe (11) top is housed in one end of subframe (11), the other end of this subframe (11) is equipped with the rear support leg (21) being foldable to subframe (11) top, this rear support leg (21) is equipped with the rear support leg oil cylinder (22) driving its lifting; Hoisting device is equipped with by swing type mechanism (18) in described subframe (11) top; Described hoisting device comprises the basic arm (17) be hinged on subframe (11), be contained in the multi-stage telescopic arms on basic arm (17), suspension hook (2) or manipulator assembly (1) are housed in the outer end of telescopic boom, often save telescopic boom built with telescopic oil cylinder, amplitude oil cylinder (16) is housed between basic arm (17) and subframe (11); The hydraulic efficiency pressure system (8) for driving each cylinder movement described subframe (11) is also equipped with; Described road wheel (10) drives assembly (6) and the power system (9) be contained on subframe (11) to be connected by one; The draw beam mechanism for being connected with main car (33) is equipped with in described chassis of trailer (5) front end; The front end of described subframe (11) is fixed supporting leg, and this fixed supporting leg termination is provided with two hinge ear (28), and described front leg strut (19) has single hinging-ear (25), and this single hinging-ear (25) is cut with scissors ear (28) be hinged and connected by a torsion bar (26) with two; The line of centers of described single hinging-ear (25) and the mobile jib axis of described front leg strut (19) form angle, the line of centers of described two line of centers of hinge ear (28) and the fixed supporting leg of subframe (11) forms angle, makes path of motion during front leg strut (19) folding and unfolding be the conical surface; Described subframe (11) top has fixed cover, has the skewed slot being used for fixing front leg strut (19) and rear support leg (21) when front leg strut (19), rear support leg (21) fold in this fixed cover.
2. the pulling type lorry-mounted crane had from walking function according to claim 1, is characterized in that, described suspension hook (2) or manipulator assembly (1) are contained in the outer end of telescopic boom by flexible arm head (31); The motor (23) driving described manipulator assembly (1) to horizontally rotate this flexible arm head (31) is equipped with.
3. the pulling type lorry-mounted crane had from walking function according to claim 1, it is characterized in that, described multi-stage telescopic arms for being contained in the first telescopic boom (14) on basic arm (17), and is contained in the second telescopic boom (12) on the first telescopic boom (14); Described first telescopic boom (14) is built with driving first telescopic boom (14) the first telescopic oil cylinder (15) that relatively basic arm (17) is extended or retracted, and described second telescopic boom (12) is built with extended or retracted the second telescopic oil cylinder (13) of relative first telescopic boom of driving second telescopic boom (12) (14).
4. the pulling type lorry-mounted crane had from walking function according to claim 1, is characterized in that, described manipulator assembly (1) comprises ratchet (24), and this ratchet (24) is driven by described hydraulic efficiency pressure system and realizes launching or closing up.
5. according to the pulling type lorry-mounted crane had from walking function one of claim 1 ~ 4 Suo Shu, it is characterized in that, described subframe (11) entirety is in X-shaped.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410355289.9A CN104085799B (en) | 2014-07-24 | 2014-07-24 | A kind of pulling type lorry-mounted crane had from walking function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410355289.9A CN104085799B (en) | 2014-07-24 | 2014-07-24 | A kind of pulling type lorry-mounted crane had from walking function |
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| CN104085799A CN104085799A (en) | 2014-10-08 |
| CN104085799B true CN104085799B (en) | 2016-04-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105438987B (en) * | 2014-12-05 | 2017-06-20 | 徐州重型机械有限公司 | traction crane power control system, method and traction crane |
| CN105129634B (en) * | 2015-08-12 | 2017-08-29 | 中联重科股份有限公司 | Walking mechanism and crane for roofing crane |
| CN107746018A (en) * | 2017-11-22 | 2018-03-02 | 华中农业大学 | A kind of mountain region rail transport hoisting apparatus |
| CN108275581A (en) * | 2018-03-05 | 2018-07-13 | 徐州昊意工程机械科技有限公司 | A kind of combined type crawler crane |
| CN109231032B (en) * | 2018-10-15 | 2022-05-10 | 周宁县善长祥农业机械研发有限公司 | Agricultural crane |
| CN111747315B (en) * | 2020-06-12 | 2022-07-19 | 中国长江电力股份有限公司 | Lifting operation vehicle for large-gradient runner maintenance equipment of hydropower station and use method |
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| KR20070029398A (en) * | 2005-09-09 | 2007-03-14 | 강남국 | Outrigger |
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| DE2710303A1 (en) * | 1977-03-09 | 1978-09-14 | Liebherr Werk Biberach | Tower crane lower chassis - has all outrigger beams folding against it for road travel |
| CN1903695A (en) * | 2006-07-31 | 2007-01-31 | 张琳 | Semitrailer self walking type automobile crane |
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Address after: 415106 Guanxi Town, Dingcheng District, Changde City, Hunan Province Patentee after: Zhonglian Hengtong Machinery Co.,Ltd. Address before: 410131 Langli Industrial Park, Langli Town, Changsha County, Changsha City, Hunan Province Patentee before: CHANGSHA ZHONGLIAN HENGTONG MACHINERY Co.,Ltd. |