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CN104986000A - Effortless push-pull type trailing stem mechanism for dual-rotation platform trailer - Google Patents

Effortless push-pull type trailing stem mechanism for dual-rotation platform trailer Download PDF

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Publication number
CN104986000A
CN104986000A CN201510348958.4A CN201510348958A CN104986000A CN 104986000 A CN104986000 A CN 104986000A CN 201510348958 A CN201510348958 A CN 201510348958A CN 104986000 A CN104986000 A CN 104986000A
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CN
China
Prior art keywords
handle
bearing
sides
revolution
brachium pontis
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Application number
CN201510348958.4A
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Chinese (zh)
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CN104986000B (en
Inventor
邵磊
游骏
姜文东
谢月斌
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Anhui Heli Co Ltd
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Anhui Heli Co Ltd
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Priority to CN201510348958.4A priority Critical patent/CN104986000B/en
Publication of CN104986000A publication Critical patent/CN104986000A/en
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Publication of CN104986000B publication Critical patent/CN104986000B/en
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Abstract

The invention relates to an effortless push-pull type trailing stem mechanism for a dual-rotation platform trailer. The effortless push-pull type trailing stem mechanism comprises a rotation bridge arm and an A-shaped trailing stem, wherein a traction bar is arranged on the top side of the trailing stem; guiding grooves are symmetrically formed in both sides of the rotation bridge arm in the length direction, the opening sides of the guiding grooves in both sides mutually correspond, and the guiding grooves in the two sides respectively correspond to both ends of the opening side of the trailing stem; sliding connecting mechanism are respectively arranged at both ends of the opening side of the trailing stem, and the sliding connecting mechanisms at both ends are respectively positioned in the guiding grooves in the two sides of the rotation bridge arm in a matching manner, so that the trailing stem realizes movement and positioning in a flexible manner in the rotation bridge arm. Through the adoption of the dual-rotation platform trailer, when the effortless push-pull type trailing stem mechanism is used for trailing from one end, the other end non-tractive trailing stem can be pushed into the guiding groove of the rotation bridge arm lightly and conveniently, so that the turning radius is further reduced, and the potential safety hazard existing when the non-tractive trailing stem extends out is reduced.

Description

Handle mechanism is dragged for the laborsaving plug-type of dual AC power flat-bed trailer
Technical field
The invention belongs to flat-bed trailer technical field, be specifically related to the medium-and-large-sized flat-bed trailer of more than the 20t of the dual AC power by place restriction.
Background technology
The greatest problem of dragging handle structure to exist of existing dual AC power flat-bed trailer is: drag handle because two ends all have traction, when using one end, the other end drags handle to stretch out the table top of car body, the turn radius of trailer is increased, or in use owing to dragging handle to expose, there is potential potential safety hazard, the actions such as chaufeur turning or reversing judge to cause to scratch goods, building or staff according to vehicle body routinely.Use the place of dual AC power trailer, generally place is all narrower, therefore more needs to shorten minimum turning radius, sees Fig. 1.
Drag handle weight at 90-150kg due to the medium-and-large-sized dual AC power flat-bed trailer of load carrying ability more than 20 tons, if directly push or pull out and drag handle, the coating of revolution brachium pontis draw-in groove inner arm will be worn and torn totally, and cliding friction makes push-and-pull drag handle to require great effort very much simultaneously, cannot realize one man operation.
Summary of the invention
In order to the potential safety hazard that other end when solving traction dual AC power flat-bed trailer drags handle to expose to cause, the invention provides and a kind ofly drag handle mechanism for the laborsaving plug-type of dual AC power flat-bed trailer.
That drags handle mechanism to comprise revolution brachium pontis 1 and A font for dual AC power flat-bed trailer laborsaving plug-type drags handle 7, drags the side, pinnacle of handle 7 to be provided with draw bar; The bilateral symmetry of described revolution brachium pontis 1 length direction is provided with guide groove, and the open side of both sides guide groove is mutually corresponding, and both sides guide groove is corresponding with dragging the two ends of handle 7 open side respectively; The described two ends of handle 7 open side of dragging respectively connected sliding block joint mechanism, and the sliding block joint mechanism at two ends respectively corresponding matching is positioned at the guide groove of revolution brachium pontis 1 both sides, make to drag handle 7 to realize telescopic moving in revolution brachium pontis 1.
Drag handle 7 relatively and sliding block joint mechanism realize rotational deflection up or down, the angle of rotational deflection is less than 10 degree up or down.
Described sliding block joint mechanism comprises the connection bracket 33 of H-shaped, and one end of described connection bracket 33 is connected to the one end of dragging handle 7 open side by shipping and reselling on another market, and the both sides of this end bottom are respectively equipped with lower side bearing 34, and the both sides on other end top are respectively equipped with upside bearing 36; One middle side edge of connection bracket 33 offers bearing groove, and one end of described bearing groove correspond to lower side bearing 34, and the other end of bearing groove correspond to upside bearing 36, and a side of the connection bracket 33 at bearing groove place is provided with the inboard bearing 35 of more than; When dragging handle 7 when turning round telescopic moving in brachium pontis 1, the lower side bearing 34 of both sides contacts with the lower side of guide groove respectively, and the upside bearing 36 of both sides contacts with the upper side edge of guide groove respectively, and the inboard bearing 35 of more than contacts with the base of guide groove respectively.Inboard bearing 35 plays spacing and directional tagging when push-and-pull, and lower side bearing 34 and upside bearing 36, when handle is dragged in push-and-pull, make cliding friction become friction of rolling.
Revolution brachium pontis 1 drags the end of the both sides guide groove of handle 7 telescopic moving to be respectively equipped with postive stop baffle 6, prevents from dragging when moving outside handle 7, depart from the chute on revolution brachium pontis 1.
The upside side plate of the both sides guide groove of the revolution brachium pontis 1 corresponding with postive stop baffle 6 offers knock hole; Drag the connection bracket 33 of handle 7 both sides is provided with by locating plate and drag handle knock hole; Moving when dragging outside handle 7, making the knock hole on the guide groove of handle knock hole and revolution brachium pontis 1 that drags in connection bracket 33 plug connecting bolt 2 to coordinating during correspondence up and down, making revolution brachium pontis 1 and dragging handle 7 to be located by connecting.
Advantageous Effects of the present invention embodies in the following areas:
1. use dual AC power flat-bed trailer of the present invention, when at one end drawing, the handle that drags of the non-traction of the other end can realize pushing easily dragging in handle groove of revolution brachium pontis, and reduce turn radius further, the handle that drags reducing non-traction end stretches out the potential potential safety hazard of existence.
2., see Fig. 1, when the vehicle body mesa dimensions L of dual AC power flat-bed trailer is constant, revolution brachium pontis increases, and front overhang L1 is increased, and wheelbase L2 reduces.Due to Zuo Tuo handle bindiny mechanism 3, You Tuo handle bindiny mechanism 4 with after dragging handle 7 to be connected, entire length increases, thus revolution brachium pontis 1 length is increased, and virtually shortens the wheelbase of trailer, further reduces the turn radius of car load.
3. connect bearing pin 2 and there is versatility.Under non-traction state, connect sleeve pipe on revolution brachium pontis 1 and slewing limit plate 8 on vehicle frame by connecting bearing pin 2, can this reversing bridge of locking, limit its revolution and swing.Connection bearing pin 2 after releasing reversing bridge is connected with vehicle body is connected use as dragging handle 7 with revolution brachium pontis 1, makes this reversing bridge recover the effect of revolution turning.
4. see Fig. 4, the present invention has taken into full account the comfort feature and safety that use, when needs will drag handle 7 to push in chute, the connection bearing pin 2 pulled up can supply fixing between reversing bridge and vehicle body simultaneously, original reversing bridge is made to become fixed type, eliminate uncontrollable swing, push drag handle 7 after by connect bearing pin 2 insert revolution brachium pontis 1 on dragging the hole of handle positioning plate 6 with drag in the towing pad of handle 7, dragging handle 7 to move forward and backward can limit; When needs pull out, revolution brachium pontis two ends are provided with drags handle positioning plate 6, is secured by bolts in revolution outer end, brachium pontis 1 both sides, prevents from overexerting dragging the direct pull-out of handle 7 to cause potential safety hazard.
5. see Fig. 3 and Fig. 7, taken into full account when the present invention designs drag handle swing up and down amplitude, regulate revolution brachium pontis front opening width B simultaneously and to drag in handle connection bracket 33 plate washer and drag handle tail end distance b, can change to drag and swing up and down amplitude in handle 7 use procedure, be i.e. centre of pull height when handle level (drag in this figure design value be 450mm) of adjustable trailer.Drag according to designing requirement that the upper and lower amplitude of oscillation of handle is maximum reaches about α ≈ 10 °, this trailer traction center height automatically can regulate in 245mm-655mm, can adapt to general place descending slope completely and cross workshop to turn one's coat in front of the door the requirement on slope.
Accompanying drawing explanation
Fig. 1 is the trailer birds-eye view with structure of the present invention;
Fig. 2 is the plug-type normal axomometric drawing dragging handle mechanism traction end in Fig. 1;
Fig. 3 is the birds-eye view of Fig. 2;
Fig. 4 is the plug-type non-traction state schematic diagram dragging handle mechanism;
Fig. 5 is the assembly structure figure dragging handle and sliding block joint mechanism;
Fig. 6 is the structural representation of sliding block joint mechanism;
Fig. 7 is the schematic diagram dragging handle height limit.
Sequence number in upper figure: revolution brachium pontis 1, connecting bolt 2, left sliding block joint mechanism 3, right sliding block joint mechanism 4, connect bearing pin 5, postive stop baffle 6, drag handle 7, slewing limit plate (on vehicle frame) 8, fixed pin shaft 31, bearing pin 32, connection bracket 33, lower side bearing 34, inboard bearing 35, upside bearing 36.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the present invention is further described.
See Fig. 2 and Fig. 3, that drags handle mechanism to comprise revolution brachium pontis 1 and A font for dual AC power flat-bed trailer laborsaving plug-type drags handle 7, drags the side, pinnacle of handle 7 to be provided with draw bar.The bilateral symmetry of revolution brachium pontis 1 length direction is provided with guide groove, and the open side of both sides guide groove is mutually corresponding, and both sides guide groove is corresponding with dragging the two ends of handle 7 open side respectively; Drag the two ends of handle 7 open side to be rotationally connected respectively and be provided with sliding block joint mechanism, the sliding block joint mechanism at two ends respectively corresponding matching is positioned at the guide groove of revolution brachium pontis 1 both sides, makes to drag handle 7 to realize telescopic moving in revolution brachium pontis 1.
See Fig. 7, drag handle 7 relatively and sliding block joint mechanism realize rotational deflection up or down, the angle of rotational deflection is less than 10 degree up or down.
See Fig. 6, sliding block joint mechanism comprises the connection bracket 33 of H-shaped.One end of connection bracket 33 is connected to the one end of dragging handle 7 open side by connecting bearing pin 5, and the both sides of this end bottom are provided with lower side bearing 34 respectively by bearing pin, and the both sides on other end top are provided with upside bearing 36 respectively by fixed pin shaft 31; One middle side edge of connection bracket 33 offers bearing groove, one end of bearing groove correspond to lower side bearing 34, the other end of bearing groove correspond to upside bearing 36, one side of the connection bracket 33 at bearing groove place is provided with two inboard bearings 35 respectively by bearing pin 32, the side radial direction of inboard bearing 35 stretches in bearing groove, and the two ends threaded connector of bearing pin 32 is separately fixed in connection bracket 33.Upside bearing 36, lower side bearing 34 and inboard bearing 35 are the deep groove ball bearing with dust ring.
See Fig. 5, left sliding block joint mechanism 3, right sliding block joint mechanism 4 respectively by the two ends of dragging handle connecting pin 5 to be arranged on to drag handle 7 open side, and use packing ring and spring cotter to fix.When dragging handle 7 when turning round telescopic moving in brachium pontis 1, the lower side bearing 34 of both sides contacts with the lower side of guide groove respectively, the upside bearing 36 of both sides contacts with the upper side edge of guide groove respectively, lower side bearing 34 and upside bearing 36 are when handle is dragged in push-and-pull, make cliding friction become friction of rolling, alleviate the labour intensity of operating personal.Two inboard bearings 35 contact with the base of guide groove respectively, and inboard bearing 35 plays spacing and directional tagging when push-and-pull.
See Fig. 4, revolution brachium pontis 1 drags the end of the both sides guide groove of handle 7 telescopic moving to be installed with postive stop baffle 6 respectively, prevents from dragging when moving outside handle 7, depart from the chute on revolution brachium pontis 1.
See Fig. 2 and Fig. 3, the upside side plate of the both sides guide groove of the revolution brachium pontis 1 corresponding with postive stop baffle 6 offers knock hole; Drag the connection bracket 33 of handle 7 both sides is provided with by locating plate and drag handle knock hole; Moving when dragging outside handle 7, making the knock hole on the guide groove of handle knock hole and revolution brachium pontis 1 that drags in connection bracket 33 plug connecting bolt 2 to coordinating during correspondence up and down, making revolution brachium pontis 1 and dragging handle 7 to be located by connecting.
See Fig. 1, use dual AC power flat-bed trailer of the present invention, in use, when handle 7 is dragged as traction end in one end, by two connect bearing pins 2 by revolution brachium pontis 1 and drag the left sliding block joint mechanism 3 at handle 7 two ends, right sliding block joint mechanism 4 is connected, and sees Fig. 2.The other end drags handle 7 easily to push in the chute of revolution brachium pontis 1, see Fig. 4, use and connect bearing pin 2(totally three), two connect bearing pin 2 and are connected with the slewing limit plate 8 on vehicle frame by revolution brachium pontis 1 outer side sleeve, the rotation of restriction reversing bridge, make it to become fixed end, the 3rd connect bearing pin 2 will push drag handle towing pad with revolution brachium pontis on spacing hole connect, restriction drag handle 7 can not revolution brachium pontis 1 chute in moving forward and backward.

Claims (6)

1. drag handle mechanism for the laborsaving plug-type of dual AC power flat-bed trailer, comprise revolution brachium pontis (1) and A font drag handle (7), the side, pinnacle of handle (7) is dragged to be provided with draw bar, it is characterized in that: the bilateral symmetry of described revolution brachium pontis (1) length direction is provided with guide groove, the open side of both sides guide groove is mutually corresponding, and both sides guide groove is corresponding with dragging the two ends of handle (7) open side respectively; The described two ends of handle (7) open side of dragging respectively connected sliding block joint mechanism, and the sliding block joint mechanism at two ends respectively corresponding matching is positioned at the guide groove of revolution brachium pontis (1) both sides, make to drag handle (7) to realize telescopic moving in revolution brachium pontis (1).
2. according to claim 1ly drag handle mechanism for the laborsaving plug-type of dual AC power flat-bed trailer, it is characterized in that: drag handle (7) relatively and sliding block joint mechanism realize rotational deflection up or down, the angle of rotational deflection is less than 10 degree up or down.
3. according to claim 1 and 2ly drag handle mechanism for the laborsaving plug-type of dual AC power flat-bed trailer, it is characterized in that: described sliding block joint mechanism comprises the connection bracket (33) of H-shaped, one end of described connection bracket (33) is connected to the one end of dragging handle (7) open side by connecting bearing pin (5), the both sides of this end bottom are respectively equipped with lower side bearing (34), and the both sides on other end top are respectively equipped with upside bearing (36); One middle side edge of connection bracket (33) offers bearing groove, one end of described bearing groove correspond to lower side bearing (34), the other end of bearing groove correspond to upside bearing (36), and a side of the connection bracket (33) at bearing groove place is provided with the inboard bearing (35) of more than; When dragging handle (7) when turning round telescopic moving in brachium pontis (1), the lower side bearing (34) of both sides contacts with the lower side of guide groove respectively, the upside bearing (36) of both sides contacts with the upper side edge of guide groove respectively, and the inboard bearing (35) of more than contacts with the base of guide groove respectively;
Inboard bearing (35) plays spacing and directional tagging when push-and-pull, and lower side bearing (34) and upside bearing (36), when handle is dragged in push-and-pull, make cliding friction become friction of rolling.
4. according to claim 3ly drag handle mechanism for the laborsaving plug-type of dual AC power flat-bed trailer, it is characterized in that: described upside bearing (36), lower side bearing (34) and inboard bearing (35) are the deep groove ball bearing with dust ring.
5. according to claim 1ly drag handle mechanism for the laborsaving plug-type of dual AC power flat-bed trailer, it is characterized in that: revolution brachium pontis (1) drags the end of the both sides guide groove of handle (7) telescopic moving to be respectively equipped with postive stop baffle (6), prevent from dragging when moving outside handle (7), depart from the chute in revolution brachium pontis (1).
6. according to claim 1ly drag handle mechanism for the laborsaving plug-type of dual AC power flat-bed trailer, it is characterized in that: the upside side plate of the both sides guide groove of the revolution brachium pontis (1) corresponding with postive stop baffle (6) offers knock hole; Drag the connection bracket (33) of handle (7) both sides is provided with by locating plate and drag handle knock hole; Moving when dragging outside handle (7), making the knock hole on the guide groove of handle knock hole and revolution brachium pontis (1) that drags in connection bracket (33) plug connecting bolt (2) to coordinating during correspondence up and down, making revolution brachium pontis (1) and dragging handle (7) to be located by connecting.
CN201510348958.4A 2015-06-24 2015-06-24 Laborsaving plug-type for dual AC power platform trailer drags handle mechanism Active CN104986000B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104986000B (en) * 2015-06-24 2017-06-13 安徽合力股份有限公司 Laborsaving plug-type for dual AC power platform trailer drags handle mechanism

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681334A (en) * 1986-07-07 1987-07-21 Brien Jr William D O Boat launching apparatus
CN1761598A (en) * 2003-03-15 2006-04-19 詹姆斯·亨利·哈斯拉姆 Improvements related to trailer hitches
US7959180B1 (en) * 2009-09-29 2011-06-14 Automatic Equipment Manufacturing Company Tow bar
US8066299B2 (en) * 2009-10-08 2011-11-29 Gary Edwin Olsen Trailer hitching and tracking steering
CN203047354U (en) * 2013-01-30 2013-07-10 安徽合力股份有限公司 Two-way four-axis type steering platform trailer
CN203497057U (en) * 2013-10-11 2014-03-26 安徽合力股份有限公司 Trailer with rotary rail

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104986000B (en) * 2015-06-24 2017-06-13 安徽合力股份有限公司 Laborsaving plug-type for dual AC power platform trailer drags handle mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681334A (en) * 1986-07-07 1987-07-21 Brien Jr William D O Boat launching apparatus
CN1761598A (en) * 2003-03-15 2006-04-19 詹姆斯·亨利·哈斯拉姆 Improvements related to trailer hitches
US7959180B1 (en) * 2009-09-29 2011-06-14 Automatic Equipment Manufacturing Company Tow bar
US8066299B2 (en) * 2009-10-08 2011-11-29 Gary Edwin Olsen Trailer hitching and tracking steering
CN203047354U (en) * 2013-01-30 2013-07-10 安徽合力股份有限公司 Two-way four-axis type steering platform trailer
CN203497057U (en) * 2013-10-11 2014-03-26 安徽合力股份有限公司 Trailer with rotary rail

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104986000B (en) * 2015-06-24 2017-06-13 安徽合力股份有限公司 Laborsaving plug-type for dual AC power platform trailer drags handle mechanism

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