CN103481735B - Concrete pumping equipment - Google Patents

Concrete pumping equipment Download PDF

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Publication number
CN103481735B
CN103481735B CN201310428081.0A CN201310428081A CN103481735B CN 103481735 B CN103481735 B CN 103481735B CN 201310428081 A CN201310428081 A CN 201310428081A CN 103481735 B CN103481735 B CN 103481735B
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CN
China
Prior art keywords
fixed plate
sleeve
traction piece
sleeve pipe
elastic component
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CN201310428081.0A
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CN103481735A (en
Inventor
谭白星
刘侃
赵银香
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN201310428081.0A priority Critical patent/CN103481735B/en
Publication of CN103481735A publication Critical patent/CN103481735A/en
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Abstract

The present invention provides a kind of draw-gear, and this draw-gear is connected between the first object and the second object, and for the traction to the second object of first object, wherein, described draw-gear is resiliently attached to described first object and/or the second object.During traction or emergency brake, active force can be applied on described second object after being buffered by described draw-gear, eliminates the impact to the second object.On the basis of technique scheme, the present invention also provides for a kind of plant equipment, and this plant equipment includes described draw-gear.

Description

Concrete pumping equipment
Technical field
The present invention relates to a kind of engineering machinery, in particular it relates to a kind of concrete pumping equipment.
Background technology
In engineering machinery, concrete pump (being commonly called as concrete pump) is a kind of critically important Concrete Pumping Construction equipment.Concrete Pump does not has driving means, and it is drawn by general other vehicle that passes through, it is achieved the movement in relatively short distance.At present, in concrete pump frame Draw-gear be to be rigidly connected with frame, as it is shown in figure 1, towing plate 1.2 is directly connected in frame 1.1, specifically, traction Plate 1.2 is directly welded in frame 1.1.In distraction procedure, tractive force is applied directly in frame 1.1 by towing plate 1.2; During emergency brake, impulsive force is also to be applied directly in frame 1.1 by towing plate 1.2.Due to towing plate 1.2 and frame 1.1 Being to be rigidly connected, do not have any buffer unit, therefore, severe in road conditions, when emergency brake, concrete pump frame 1.1 is held very much It is vulnerable to impact, consequently, it is possible to cause frame 1.1 to deform, even damages and be arranged on the parts in frame 1.1.
Can eliminate being drawn the draw-gear of the impact of object to solve existence in prior art accordingly, it would be desirable to a kind of Defect.
Summary of the invention
It is an object of the invention to provide a kind of draw-gear, this draw-gear can not only eliminate and be led when drawing object Primer body impact, and when emergency brake it is also possible that avoided being impacted by traction object.
Additionally, the present invention also provides a kind of plant equipment, this plant equipment includes above-mentioned draw-gear, described machinery Equipment can buffer, during using, the sudden forces being subject to.
To achieve these goals, the present invention provides a kind of draw-gear, and this draw-gear is connected to the first object and the Between two objects, for the traction to the second object of first object, wherein, described draw-gear is resiliently attached to described first thing Body and/or the second object are to eliminate the active force impact to the second object during traction or emergency brake.
Specifically, described first object and/or described second object being provided with fixed plate, described draw-gear includes bullet Property part and the traction piece that is movably mounted in described fixed plate, described elastic component is arranged in described fixed plate and described traction Between part, one end of described elastic component biases described fixed plate, and the other end biases described traction piece.Thus, active force passes through institute It is applied to again after stating the buffering of elastic component on described second object.
Specifically, described traction piece includes the traction piece main body for column, and this traction piece main body is movably through described Be provided with radially protruding portion in fixed plate, and this traction piece main body, described elastic component for being sleeved in described traction piece main body, One end of this elastic component biases described radially protruding portion, and the other end biases described fixed plate.Realized by described radially protruding portion Bias to spring, structure now is capable of the buffering of a process in traction or brake.
Preferably, described fixed plate includes the first fixed plate arranged in parallel and the second fixed plate, correspondingly, described It is formed for the first through hole and second that described traction piece main body passes movably in first fixed plate and the second fixed plate to lead to Hole;And it is set with first sleeve and the second sleeve pipe, this first sleeve and the second sleeve pipe in described traction piece main body movably It is each passed through on described first through hole and the second through hole, and this first sleeve and is formed with the first radial flange, this second sleeve pipe On be formed with the second radial flange, and described first radial flange and the second radial flange are respectively in the opposite direction towards outside Biasing described first fixed plate and described second fixed plate, described radially protruding portion includes being positioned at outside described first fixed plate also The first radially protruding portion of contacting with described first sleeve and be positioned at outside described second fixed plate and with described second sleeve pipe Second radially protruding portion of contact, described elastic component is arranged between described first fixed plate and the second fixed plate and bears against Described first sleeve and described second sleeve pipe.By above structure, it is possible to realize drawing and delaying during emergency brake two Punching.
Specifically, in order to prevent described sleeve pipe from deviating from from described through hole, described first sleeve and described second sleeve pipe it Between distance less than the first flange of described first sleeve away from the length of described second sleeve pipe side, and/or less than institute State second flange length away from described first sleeve side of the second sleeve pipe.
Specifically, described elastic component is against the first radial flange of described first sleeve and the second footpath of described second sleeve pipe To flange, described elastic component is enclosed within the described first sleeve of part between described first radial flange and described second radial flange On the outer peripheral face of the second sleeve pipe described with part and part described traction piece main body.
For the ease of dismounting, it is preferable that the size being smaller in size than described second radial flange of described second through hole, second Radial flange is resisted against on described second fixed plate inner side end;The size of described first through hole is more than described first radial flange Size, described draw-gear also includes the pressing plate being removably attachable in described first through hole end face outside, described first Radial flange is against on the inner side end of this pressing plate.
Preferably, described traction piece main body include being formed the first paragraph being relatively large in diameter of hierarchic structure and diameter less the Two sections, described second radially protruding portion is the step of described hierarchic structure, described casing pipe sleeve on described second segment, described second Sleeve pipe against described second segment formed described step end on.
Selectively, described first radially protruding portion is dismountable threaded fastener, and described traction piece main body is formed The screw thread matched with described threaded fastener.
Preferably, described elastic component is spring.
The present invention also provides a kind of plant equipment, and this plant equipment includes draw-gear recited above.
Selectively, described plant equipment is concrete pumping equipment, and described first object is tractor, described second thing Body is concrete pump, and one end elasticity of described draw-gear connects described concrete pump, the detachably connected described tractor of the other end.
By technique scheme, specifically, when traction, the transmittance process of power is followed successively by: traction piece, and first is the most prominent Go out portion, first sleeve, elastic component, the second sleeve pipe, the second fixed plate;When emergency brake, the transmittance process of power is followed successively by: traction Part, the second radially protruding part, the second sleeve pipe, elastic component, first sleeve, pressing plate, the first fixed plate.Therefore, in the case of two kinds In active force transmission from the point of view of, either normal traction or emergency brake, active force all after draw-gear buffers again Be applied on trailed second object, eliminate the second object impact, improve the second object security and can By property.Therefore, ining contrast to prior art, the present invention can eliminate the second object being drawn or impact during emergency brake Play the effect of buffering, protect the second object, overcome shortcoming and defect present in prior art, easy for installation, it is easy to Dismounting, with low cost, there is higher practicality and technology realistic meaning.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of specification, with following tool Body embodiment is used for explaining the present invention together, but is not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is the connection diagram in prior art between towing plate and frame;
Fig. 2 is the scheme of installation of draw-gear according to the embodiment of the present invention.
Description of reference numerals
1.1 frame;1.2 towing plate;
1 slotted nut;2 split pins;
3 first sleeve;4 first radial flanges;
5 pressing plates;6 bolts;
7 nuts;8 plain washers;
9 spring washers;10 elastic components;
11 second radial flanges;12 second sleeve pipes;
13 traction pieces;131 bails;
132 traction piece main bodys;132a first paragraph;
132b second segment;14 second fixed plates;
15 first fixed plates.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.
In the present invention, for ease of understanding and describing, in the case of illustrating on the contrary, the noun of locality of use is as " above, Under, left and right " typically refer to reference to upper and lower, left and right shown in the drawings;" inside and outside " refers to the profile relative to each parts itself Inside and outside, but the above-mentioned noun of locality is not limited to the present invention.
According to an aspect of the present invention, it is provided that a kind of draw-gear, this draw-gear is connected to the first object and the second thing Between body, for the traction to the second object of first object, wherein, described draw-gear is resiliently attached to described first object And/or second object, thus eliminate the impact to the second object during traction or emergency brake.
It is provided with fixed plate according on the detailed description of the invention of the present invention, described first object and/or described second object, Preferably, fixed plate is arranged on the second object, and described draw-gear includes elastic component 10 and is movably mounted at described solid Determining the traction piece 13 on plate, traction piece 13 can be used for drawing the second object arranging fixed plate, and elastic component 10 is arranged in described solid Determining between plate and traction piece 13, one end of elastic component 10 biases described fixed plate, other end bias traction piece 13.When by active force When (external force such as tractive force or resistance) is applied to traction piece 13, the pass order of active force is followed successively by: traction piece 13, elastic component 10, fixed plate (the second object).The existence of elastic component 10 has buffered the active force impact to the second object, thus prevents the second thing Parts on body and the second object are damaged.
Preferably, traction piece 13 includes the traction piece main body 132 for column, and traction piece main body 132 is movably through institute Stating the radially protruding portion that is provided with in fixed plate, and traction piece main body 132, elastic component 10 is for being sleeved on described traction piece main body On 132, one end of this elastic component 10 biases described radially protruding portion, and the other end biases described fixed plate.When active force is applied During to traction piece 13, drive described radially protruding portion to press to elastic component 10, and then elastic component 10 presses on described second object Fixed plate.In the case, described draw-gear is capable of on a direction buffering of (traction or emergency brake process).
According to the preferred embodiment of the present invention, with reference to shown in Fig. 2, in this preferred embodiment, the present invention provides Draw-gear is capable of the buffering during traction and brake two.Specifically, described fixed plate includes being parallel to each other and sets The first fixed plate 15 and the second fixed plate 14 put, correspondingly, the first fixed plate 15 and the second fixed plate 14 is formed for leading Draw the first through hole and the second through hole that part main body 132 passes movably;And it is set with movably in traction piece main body 132 First sleeve 3 and the second sleeve pipe 12, this first sleeve 3 and the second sleeve pipe 12 be each passed through described first through hole and the second through hole, And it is formed with the first radial flange 4 in first sleeve 3, the second sleeve pipe is formed the second radial flange 11, and the first footpath The first fixed plate 15 and the second fixed plate 14 is biased the most in the opposite direction towards outside to flange 4 and the second radial flange 11, Described radially protruding portion includes being positioned at the first radially protruding portion and the position contacted outside the first fixed plate 15 and with first sleeve 3 The the second radially protruding portion contacted outside the second fixed plate 14 and with the second sleeve pipe 12, elastic component 10 is arranged in the first fixed plate 15 and second between fixed plate 14 and bear against first sleeve 3 and the second sleeve pipe 12.
Therefore, above-mentioned preferred embodiment can realize two-way (traction by two radially protruding portions and an elastic component And emergency brake) buffering, specifically, during traction, the active force the first radially protruding part by traction piece main body 132 Being applied to the first sleeve 3 contacted with described first radially protruding part, then, active force is by the first footpath in first sleeve 3 Being applied on elastic component 10 to flange 4, elastic component 10 presses to the second radial flange 11 of described second sleeve pipe 12 and makes the second footpath Compress the second fixed plate 14 to flange 11, thus, complete the cushioning effect in distraction procedure, eliminate active force to described second thing The impact of body;During emergency brake, active force is applied to second by the second radially protruding part of traction piece main body 132 On sleeve pipe 12, afterwards, active force is applied on elastic component 10 by the second flange 11 on the second sleeve pipe 12, and elastic component 10 presses to First radial flange 4 of first sleeve 3 makes the first radial flange 4 compress the first fixed plate 15, thus, completes emergency brake mistake Cushioning effect in journey, eliminates the active force impact to described second object.Here, it should be noted that defined in herein Outside and inner side are for arrangement between two fixed plates, in the part between i.e. two fixed plates is referred to as Side.
According to another embodiment of the present invention, described draw-gear can pass through a radially protruding portion and two elasticity Part realizes the buffering between the first object and the second object, and the mode of texturing of two elastic components is more, such as, can be one The both sides in individual radially protruding portion arrange two elastic components, and two elastic components bear against in fixed plate, traction or brake During, tractive force can realize slow by being applied to after the transition of corresponding elastic component on trailed object again The effect of punching.This mode of texturing is also fallen within protection scope of the present invention.
According to the preferred embodiment of the present invention, further, in order to prevent from making during traction or emergency brake In the case of the biggest, first sleeve 3 or the second sleeve pipe 12 are deviate from from described first through hole or the second through hole, first sleeve 3 And the distance between the second sleeve pipe 12 can be less than first flange 4 length away from the second sleeve pipe 12 side of first sleeve 3, with And/or person is less than second flange 11 length away from first sleeve 3 side of the second sleeve pipe 12.
Selectively, elastic component 10 can be against the first radial flange 4 and the second footpath of the second sleeve pipe 12 of first sleeve 3 To flange 11, elastic component 10 is enclosed within the part first sleeve 3 between the first radial flange 4 and the second radial flange 11 and part On the outer peripheral face of two sleeve pipes 12 and part traction piece main body 132.Additionally, elastic component 10 can also be resisted against the end of sleeve pipe On, in the case, elastic component 10 is enclosed within the periphery of the part traction piece main body 132 between first sleeve 3 and the second sleeve pipe 12 On face.Additionally, due to above-mentioned part first sleeve 3 and the existence of part the second sleeve pipe 12, produce when tractive force or brake In the case of inertia force makes the most greatly elastic component 10 decrement relatively big, when right-hand member and the left end of the second sleeve pipe 12 of first sleeve 3 During contact, elastic component 10 will not too much be compressed again, thus plays the effect of protection elastic component 10.
According to the draw-gear of the preferred embodiment of the present invention, for the ease of the installation and removal of single unit system, optional Selecting ground, the size being smaller in size than the second radial flange 11 of described second through hole, the second radial flange 11 is resisted against second and fixes On plate 14 inner side end;The size of described first through hole is more than the size of the first radial flange 4, and described draw-gear also includes can Releasably being connected to the pressing plate 5 in described first through hole end face outside, the first radial flange 4 is against the inner side end of this pressing plate 5 On.Preferably, pressing plate 5 is connected to the first fixed plate 15 by uniform bolt 6, nut 7, plain washer 8 and elastic washer 9.Cause This, can by this first through hole to already inserted into be set with successively in the traction piece main body 132 in two fixed plates the second sleeve pipe 12, Elastic component 10 and first sleeve 3, be installed to pressing plate 5 in first fixed plate 15 the most again, specifically can be by fastenings such as bolts Part is installed, in order to dismantle corresponding component in later maintenance easily to realize the purpose of maintenance and maintenance.Certainly at some In embodiment, it is also possible to by the special processing of fixed plate or by first place between two fixed plates sleeve pipe and Elastic component, the mode being then inserted into traction piece main body is installed, and should fall the present invention's equally for these modes of texturing In protection domain.
According to the draw-gear of the preferred embodiment of the present invention, the first radially protruding portion is dismountable screw threads for fastening Part, traction piece main body 132 is formed with the screw thread matched with described threaded fastener, and specifically, threaded fastener is fluting spiral shell Female 1 and split pin 2, not only to form the first radially protruding portion but also can prevent slotted nut 1 from coming off, concrete split pin 2 and opening The cooperation of groove nut 1 is techniques known, does not do too much repeating at this.
Draw-gear according to the preferred embodiment of the present invention, it is preferable that traction piece main body 132 includes forming ladder knot The first paragraph 132a being relatively large in diameter of structure and the less second segment 132b of diameter, described second radially protruding portion is this ladder described The step of structure, described casing pipe sleeve is on second segment 132b, and second sleeve pipe 12 forms described step against second segment 132a On end.It addition, this second radially protruding portion is in some embodiments, it would however also be possible to employ first carries out the formation side of protuberance Formula, for those skilled in the art it is conceivable that the generation type in radially protruding portion, all fall within protection scope of the present invention.
Draw-gear according to the preferred embodiment of the present invention, it is preferable that elastic component 10 is spring, is sleeved on to facilitate In traction piece main body 132.Above-mentioned purpose is capable of for other there is the elastic component of elastic reaction, all fall within the present invention's In protection domain.
On the basis of technique scheme, the present invention also provides for a kind of plant equipment, and this plant equipment includes institute above The draw-gear stated.
Typically, described plant equipment is concrete pumping equipment, and described first object is tractor, described second object For concrete pump, one end elasticity of described draw-gear connects described concrete pump, the detachably connected described tractor of the other end.Specifically Ground, traction piece 13 also includes the bail 131 being positioned at traction piece main body 132 end, and described draw-gear can by bail 131 It is connected with the hook of described tractor, to realize the traction of concrete pump.
It is last it should be noted that the draw-gear that the present invention provides can be used in the various tractions in addition to above-mentioned concrete pump Field, the deformation for application all falls within protection scope of the present invention.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality Execute the detail in mode, in the technology concept of the present invention, technical scheme can be carried out multiple letter Monotropic type, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to various can The combination of energy illustrates the most separately.
Additionally, can also be combined between the various different embodiment of the present invention, as long as it is without prejudice to this The thought of invention, it should be considered as content disclosed in this invention equally.

Claims (3)

1. concrete pumping equipment, this concrete pumping equipment includes draw-gear, and this draw-gear is connected to tractor and concrete Between pump, one end elasticity of described draw-gear connects described concrete pump, the detachably connected described tractor of the other end, described concrete Fixed plate it is provided with on pump;Or, one end elasticity of described draw-gear connects described tractor, and the other end is detachably connected Described concrete pump, described tractor is provided with fixed plate;Or, the two ends of described draw-gear elasticity respectively connects described traction It is provided with fixed plate on car and described concrete pump, described tractor and described concrete pump;
Described draw-gear includes elastic component (10) and the traction piece (13) being movably mounted in described fixed plate, described bullet Property part (10) be arranged between described fixed plate and described traction piece (13), one end of described elastic component (10) bias is described fixing Plate, the other end biases described traction piece (13);
Described traction piece (13) includes the traction piece main body (132) for column, and this traction piece main body (132) is movably through institute Stating the radially protruding portion that is provided with in fixed plate, and this traction piece main body (132), described elastic component (10) leads described in being sleeved on Drawing in part main body (132), one end of this elastic component (10) biases described radially protruding portion, and the other end biases described fixed plate;
Described fixed plate includes the first fixed plate (15) arranged in parallel and the second fixed plate (14), correspondingly, described Be formed in one fixed plate (15) and the second fixed plate (14) that described traction piece main body (132) passes movably first is led to Hole and the second through hole;
And it is set with first sleeve (3) and the second sleeve pipe (12), this first set on described traction piece main body (132) movably Pipe (3) and the second sleeve pipe (12) are each passed through on described first through hole and the second through hole, and this first sleeve (3) and are formed with the One radial flange (4), this second sleeve pipe is formed the second radial flange (11), and described first radial flange (4) and Two radial flanges (11) bias described first fixed plate (15) and described second fixed plate the most in the opposite direction towards outside (14),
Described radially protruding portion includes first being positioned at outside described first fixed plate (15) and contacting with described first sleeve (3) Radially protruding portion and the second radial convex being positioned at outside described second fixed plate (14) and contacting with described second sleeve pipe (12) Go out portion,
Described elastic component (10) is arranged between described first fixed plate (15) and the second fixed plate (14) and bears against described First sleeve (3) and described second sleeve pipe (12);
Distance between described first sleeve (3) and described second sleeve pipe (12) is less than the first flange of described first sleeve (3) (4) away from the length of described second sleeve pipe (12) side, and/or the second flange (11) less than described second sleeve pipe (12) Length away from described first sleeve (3) side;
Described elastic component (10) is against first radial flange (4) and the of described second sleeve pipe (12) of described first sleeve (3) Two radial flanges (11), described elastic component (10) be enclosed within described first radial flange (4) and described second radial flange (11) it Between the described first sleeve of part (3) and described second sleeve pipe of part (12) and part described traction piece main body (132) outside On side face;
The size being smaller in size than described second radial flange (11) of described second through hole, the second radial flange (11) is resisted against institute State on the second fixed plate (14) inner side end;The size of described first through hole is more than the size of described first radial flange (4), institute State the pressing plate (5) that draw-gear also includes being removably attachable in described first through hole end face outside, described first radial convex Edge (4) is against on the inner side end of this pressing plate (5);
Described traction piece main body (132) include being formed the first paragraph (132a) being relatively large in diameter of hierarchic structure and diameter less the Two sections (132b), described second radially protruding portion is the step of described hierarchic structure, and described first sleeve (3) is enclosed within described second Section (132b) on, described second sleeve pipe (12) against described second segment (132a) formed described step end on.
Concrete pumping equipment the most according to claim 1, it is characterised in that described first radially protruding portion is detachable Threaded fastener, described traction piece main body (132) is formed with the screw thread matched with described threaded fastener.
Concrete pumping equipment the most according to claim 1 and 2, it is characterised in that described elastic component (10) is spring.
CN201310428081.0A 2013-09-18 2013-09-18 Concrete pumping equipment Active CN103481735B (en)

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Application Number Priority Date Filing Date Title
CN201310428081.0A CN103481735B (en) 2013-09-18 2013-09-18 Concrete pumping equipment

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Application Number Priority Date Filing Date Title
CN201310428081.0A CN103481735B (en) 2013-09-18 2013-09-18 Concrete pumping equipment

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CN103481735B true CN103481735B (en) 2016-08-31

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109591526A (en) * 2018-11-19 2019-04-09 北京长城华冠汽车科技股份有限公司 Traction device and automobile

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Publication number Priority date Publication date Assignee Title
DE477733C (en) * 1929-06-13 Meyer Georg Spring clutch
GB190902424A (en) * 1908-04-21 1909-04-08 Alfred Julius Boult Improvements in or relating to Road Carriage Couplings.
FR489910A (en) * 1917-06-18 1919-03-22 Baj & Fond Soc Elastic traction hook device for coupling trailers to automotive tractors
US1918391A (en) * 1931-01-19 1933-07-18 Deere & Co Hitch
CN2774829Y (en) * 2004-12-23 2006-04-26 王旭光 Dragging hook for house vehicle
CN101314320B (en) * 2007-06-01 2010-08-18 中国国际海运集装箱(集团)股份有限公司 Draughting mechanism for trailer
CN102602255A (en) * 2011-03-07 2012-07-25 绿友机械集团股份有限公司 Multifunctional tow bar device for trailer

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