CN107380033A - A kind of dumper pincer hydraulic locking apparatus - Google Patents

A kind of dumper pincer hydraulic locking apparatus Download PDF

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Publication number
CN107380033A
CN107380033A CN201710585959.XA CN201710585959A CN107380033A CN 107380033 A CN107380033 A CN 107380033A CN 201710585959 A CN201710585959 A CN 201710585959A CN 107380033 A CN107380033 A CN 107380033A
Authority
CN
China
Prior art keywords
pawl
pincerlike
pincerlike pawl
block tongue
back door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710585959.XA
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Chinese (zh)
Inventor
闫伟伟
蔡青
柴永恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chi Tian Automobile Co Ltd Of Shiyan City
Original Assignee
Chi Tian Automobile Co Ltd Of Shiyan City
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chi Tian Automobile Co Ltd Of Shiyan City filed Critical Chi Tian Automobile Co Ltd Of Shiyan City
Priority to CN201710585959.XA priority Critical patent/CN107380033A/en
Publication of CN107380033A publication Critical patent/CN107380033A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/04Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
    • B60P1/26Means for controlling movement of tailboards or sideboards
    • B60P1/273Providing interdependence between tipping movement and the latching or unlatching of a freely-swingable tailboard or sideboard

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

A kind of dumper pincer hydraulic locking apparatus, including vehicle frame, compartment and carriage back door plate, upper end and the compartment of carriage back door plate are hinged, and carriage back door plate is lock onto on compartment by locking device;Locking device is made up of clamping device and force transducer, and clamping device is fixed in the tail end of vehicle frame, and force transducer is fixed on the lower end of carriage back door plate, and the clamping force of clamping device is converted into the coupling mechanism force needed for carriage back door plate by force transducer.This utility structure is simple, and production cost is low, i.e., protects clamping device well, improves the effect of locking carriage back door plate again.

Description

A kind of dumper pincer hydraulic locking apparatus
Technical field
The invention belongs to body of tipper carriage door lock field, especially a kind of dumper pincer hydraulic locking apparatus.
Background technology
Self-discharging vehicle backdoor is the critical component of dumper, because it is movable part, bears to jolt, and impacts and easily cashes.Mesh The preceding sealing to back door is also greatly improving.In order to meet working condition requirement, there is the retaining mechanism at a variety of back doors, conventional has chain Bar tension-type, stiff rod tension-type, pneumatic compression type, hydraulic cylinder(Longitudinal direction)Locking type, hydraulic cylinder are side-mounted etc..These mechanisms respectively have Advantage and disadvantage, wherein hydraulic lock compact form mechanism strength is big, automatically controls, application is progressively extensive.Because of side-mounted ultra-wide, progressively wash in a pan Eliminate;Longitudinal oil cylinder is arranged as two one group, and latch hook compresses Rear Door from bottom to top.Its defects of, is that oil cylinder is exposed, in vehicle Fragile oil cylinder during reversing;In the moment that unloading back door is opened, lot cargo impacts latch hook when dropping, and oil cylinder is perishable.Single oil Cylinder lateral arrangement longitudinal direction jaw type retaining mechanism, the drawbacks of evading other modes.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of dumper pincer hydraulic locking apparatus, solves rapid wear bad oil Cylinder, the unstable problem of locking.
In order to solve the above technical problems, the technical scheme is that:A kind of dumper pincer hydraulic locking apparatus, including Vehicle frame, compartment and carriage back door plate, upper end and the compartment of carriage back door plate are hinged, it is characterised in that:Carriage back door plate passes through lock Tight device is lock onto on compartment;Locking device is made up of clamping device and force transducer, and clamping device is fixed on the tail end of vehicle frame Interior, force transducer is fixed on the lower end of carriage back door plate, and the clamping force of clamping device is converted into carriage back door by force transducer Coupling mechanism force needed for plate.
To the further restriction of above-mentioned technical proposal, the structure of the clamping device is:Including left pincerlike pawl, right pincer Pawl, synchronizer;The left pincerlike pawl and right pincerlike pawl being symmetrical set are hinged on vehicle frame tail end by support respectively, left pincerlike pawl Jaw with right pincerlike pawl is in corresponding setting, and left pincerlike pawl is connected with the tail end of right pincerlike pawl by synchronizer;Synchronizer is same When drive left pincerlike pawl and right pincerlike pawl to force transducer apply clamping force.The advantages of this structure:Synchronism is good, makes carriage back door Uniform force, so as to improve the service life of carriage back door and sealing;This structure energy quick locking or unblock carriage back door.
To the further restriction of above-mentioned technical proposal, the synchronizer is two-way cylinder, the tail end of two-way cylinder with Left pincerlike pawl tail end is hinged, and the piston rod in two-way cylinder is hinged with right pincerlike pawl tail end.The advantages of this structure:In floating type State two-way cylinder realizes synchronous purpose, simple in construction, practical, it is not easy to damage.
To the further restriction of above-mentioned technical proposal, the structure of the power conversion device is:Including left block tongue and right block tongue, Left block tongue and right block tongue are fixed on the lower end of carriage back door plate, and the one side that left block tongue is in contact with left pincerlike pawl is inclined plane, The one side that right block tongue is in contact with right pincerlike pawl be inclined plane, left block tongue and right block tongue by left pincerlike pawl and right pincerlike claw type into Clamping force is converted into the coupling mechanism force needed for carriage back door plate.The advantages of this structure:The steering of power is realized by inclined plane, there is knot The advantages of structure is simple, production cost is low;Contact connection, be easily opened latch hook, will not clamping stagnation, avoiding latch hook from not opening causes to unload Vehicle centre-of gravity shift during goods, so as to cause generation situations such as overturning.
To the further improvement of above-mentioned technical proposal, the left pincerlike pawl is provided with roller, the roller energy on left pincerlike pawl It is in contact with the inclined plane on left block tongue;The right pincerlike pawl is provided with roller, the roller on right pincerlike pawl can with right block tongue Inclined plane be in contact.Advantage:Resistance is reduced using rolling friction, greatly reduces component wear, it is easier to open latch hook.
To the further restriction of above-mentioned technical proposal, the structure of the clamping device is:Including left pincerlike pawl, right pincer Pawl, synchronizer;The left pincerlike pawl and right pincerlike pawl being symmetrical set are hinged on vehicle frame tail end by support respectively, left pincerlike pawl Set with the jaw of right pincerlike pawl in opposite direction, left pincerlike pawl is connected with the tail end of right pincerlike pawl by synchronizer;Synchronizer Left pincerlike pawl and right pincerlike pawl is driven to apply clamping force to force transducer simultaneously.The advantages of this structure:Synchronism is good, after making compartment Door uniform force, so as to improve the service life of carriage back door and sealing;This structure is avoided that latch hook is not opened and causes to turn over The generation of situations such as car.
To the further restriction of above-mentioned technical proposal, the synchronizer is by left two-way cylinder and right two-way cylinder structure Into;The tail end of left two-way cylinder is hinged on vehicle frame, and the piston rod of left two-way cylinder is hinged with left pincerlike pawl tail end;It is right double The tail end of action oil cylinder is hinged on vehicle frame, and the piston rod of right two-way cylinder is hinged with right pincerlike pawl tail end.This structure it is excellent Point:After one of oil cylinder damage corresponding latch hook can be caused to fail, but not influence another latch hook and work on, so as to keep away Exempt from carriage back door and the problem of locking failure occur.
Beneficial effect:The present invention has advantages below compared with prior art:1. during unloading, clamping device is retracted to car In frame, lot cargo impacts clamping device when dropping;2. clamping device is located in vehicle frame tail end, easily hit when avoiding reversing The problem of hitting;Be not in swing when carriage back door plate is locked 3. by the cooperation of clamping device and force transducer, And improve sealing;4. a utility structure is simple, production cost is low, i.e., protects clamping device well, improves lock again The effect of tight carriage back door plate.
Brief description of the drawings
Fig. 1 is the first structural representation of the invention.
Fig. 2 is the clamping device structural representation in Fig. 1.
Fig. 3 is the locking state figure of the first structure of the invention.
Fig. 4 is the released state figure of the first structure of the invention.
Fig. 5 is another structural representation of the present invention.
Fig. 6 is the clamping device structural representation in Fig. 4.
Embodiment
Embodiment 1:As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of dumper pincer hydraulic locking apparatus, including vehicle frame 1, Compartment 2 and carriage back door plate 3, upper end and the compartment of carriage back door plate are hinged, and carriage back door plate lock onto car by locking device On railway carriage or compartment;Locking device is made up of clamping device 4 and force transducer 5, and clamping device is fixed in the tail end of vehicle frame, and force transducer is solid It is scheduled on the lower end of carriage back door plate, the clamping force of clamping device is converted into the locking needed for carriage back door plate by force transducer Power;The structure of clamping device 4 is:Including left pincerlike pawl 401, right pincerlike pawl 402, synchronizer 403;The left pincer being symmetrical set Pawl and right pincerlike pawl are hinged on vehicle frame tail end by support 404 respectively, and the jaw of left pincerlike pawl and right pincerlike pawl is in corresponding Set;Describe the articulated structure of left pincerlike pawl and vehicle frame in detail:Support is fixed on vehicle frame, passes through bearing pin in the middle part of left pincerlike pawl It is hinged with support, left pincerlike pawl can be made to horizontally rotate around bearing pin;Roller 6 is equipped with the front end of left pincerlike pawl and right pincerlike pawl, Roller is axially perpendicular to horizontal plane, and the direction that roller rolls rotates in opposite direction, left pincerlike pawl and right pincer with pincerlike pawl The tail end of pawl is connected by synchronizer;Synchronizer is two-way cylinder, and the tail end of two-way cylinder is hinged with left pincerlike pawl tail end, Piston rod in two-way cylinder is hinged with right pincerlike pawl tail end, and articulated structure makes two-way cylinder be in quick condition at two; The structure of the power conversion device 5 is:Including left block tongue 501 and right block tongue 502, left block tongue and right block tongue are fixed on carriage back door On the lower end of plate, left block tongue is provided with inclined plane, and the roller on left pincerlike pawl can be in contact with the inclined plane on left block tongue, right card Tongue is provided with inclined plane, and the roller on right pincerlike pawl can be in contact with the inclined plane on right block tongue;Left block tongue and right block tongue are by a left side Pincerlike pawl and right pincerlike claw type into clamping force be converted into coupling mechanism force needed for carriage back door plate.
Embodiment 2:As shown in Figure 5 and Figure 6, a kind of dumper pincer hydraulic locking apparatus, including vehicle frame 1, compartment 2 and car Railway carriage or compartment Rear Door 3, upper end and the compartment of carriage back door plate are hinged, and carriage back door plate is lock onto on compartment by locking device;Locking Device is made up of clamping device 4 and force transducer 5, and clamping device is fixed in the tail end of vehicle frame, and force transducer is fixed on compartment On the lower end of Rear Door, the clamping force of clamping device is converted into the coupling mechanism force needed for carriage back door plate by force transducer;Clamp dress The structure put is:Including left pincerlike pawl 401, right pincerlike pawl 402, synchronizer 403;The left pincerlike pawl being symmetrical set and right pincer Pawl is hinged on vehicle frame tail end by support 404 respectively, and the jaw of left pincerlike pawl and right pincerlike pawl is set in opposite direction;In detail Illustrate the articulated structure of left pincerlike pawl and vehicle frame:Support is fixed on vehicle frame, and the middle part of left pincerlike pawl is cut with scissors by bearing pin and support Connect, left pincerlike pawl can be made to horizontally rotate around bearing pin;Roller 6, the axle of roller are equipped with the front end of left pincerlike pawl and right pincerlike pawl To perpendicular to horizontal plane, the direction that roller rolls rotates in opposite direction, the tail end of left pincerlike pawl and right pincerlike pawl with pincerlike pawl Connected by synchronizer;Synchronizer 403 is made up of left two-way cylinder 4031 and right two-way cylinder 4032, left two-way cylinder Tail end be hinged on vehicle frame, the piston rod of left two-way cylinder is hinged with left pincerlike pawl tail end, the jaw of left pincerlike pawl outwardly, The tail end of right two-way cylinder is hinged on vehicle frame, and the piston rod of right two-way cylinder is hinged with right pincerlike pawl tail end, right pincer The jaw of pawl is outwardly;The structure of the power conversion device is:Including left block tongue 501 and right block tongue 502, left block tongue and right block tongue are consolidated It is scheduled on the lower end of carriage back door plate, left block tongue is provided with inclined plane, and the roller on left pincerlike pawl can be with the inclination on left block tongue Face is in contact, and right block tongue is provided with inclined plane, and the roller on right pincerlike pawl can be in contact with the inclined plane on right block tongue;Left block tongue With right block tongue by left pincerlike pawl and right pincerlike claw type into clamping force be converted into coupling mechanism force needed for carriage back door plate, folder herein Clamp force is it can be appreciated that expansionary force.
In the Examples 1 and 2:1. in-oil cylinder piston rod is provided with travel switch, the stroke of piston rod is by stroke Switch control, belongs to general knowledge well known in the art;2. articulated manner uses pin shaft connection structure;3. in order to not interfere left pincer Pawl and right pincerlike pawl pass through out of vehicle frame tail end crossbeam and carriage back door plate, are equipped with vehicle frame tail end crossbeam and carriage back door Two pincerlike pawls pass through hole.
The operation principle of embodiment 1:As shown in figures 1 and 3, a left side is driven when the piston rod in two-way cylinder stretches out simultaneously Pincerlike pawl and right pincerlike pawl inwardly rotate, when the roller on left pincerlike pawl and right pincerlike pawl respectively simultaneously with left block tongue and right block tongue On inclined plane contact when, i.e., left pincerlike pawl and right pincerlike claw type are into clamping force, the angle of left pincerlike pawl and right pincerlike pawl rotation Bigger and clamping force is bigger, and clamping force is converted into and vehicle frame length by the inclined plane in clamping process on left block tongue and right block tongue Direction coupling mechanism force in the same direction, that is, realize that carriage back door plate is locked;Conversely, as shown in figure 4, the piston rod in two-way cylinder contracts Drive left pincerlike pawl and right pincerlike pawl to be turned out simultaneously when returning, be repositioned to after turning an angle in vehicle frame, realize unblock.It is real Apply that the operation principle of example 2 is same as Example 1, the rotation direction of only left pincerlike pawl and right pincerlike pawl differs, i.e., in embodiment 2 Left pincerlike pawl and right pincerlike pawl locking when be turned out, unlock when both inwardly rotation, wherein left pincerlike pawl illustrates lock Tight state, right pincerlike pawl illustrate released state.
Do not elaborate part in this specification, the technology being known in the art.

Claims (9)

1. a kind of dumper pincer hydraulic locking apparatus, including vehicle frame, compartment and carriage back door plate, the upper end of carriage back door plate with Compartment is hinged, it is characterised in that:Carriage back door plate is lock onto on compartment by locking device;Locking device is by clamping device and power Converter is formed, and clamping device is fixed in the tail end of vehicle frame, and force transducer is fixed on the lower end of carriage back door plate, power conversion The clamping force of clamping device is converted into the coupling mechanism force needed for carriage back door plate by device.
A kind of 2. dumper pincer hydraulic locking apparatus according to claim 1, it is characterised in that:The knot of the clamping device Structure is:Including left pincerlike pawl, right pincerlike pawl, synchronizer;The left pincerlike pawl and right pincerlike pawl being symmetrical set pass through support respectively It is hinged on vehicle frame tail end, the jaw of left pincerlike pawl and right pincerlike pawl is in the tail of corresponding setting, left pincerlike pawl and right pincerlike pawl End is connected by synchronizer;Synchronizer drives left pincerlike pawl and right pincerlike pawl to apply clamping force to force transducer simultaneously.
A kind of 3. dumper pincer hydraulic locking apparatus according to claim 1 or claim 2, it is characterised in that:The synchronizer is Two-way cylinder, the tail end of two-way cylinder are hinged with left pincerlike pawl tail end, the piston rod in two-way cylinder and right pincerlike pawl Tail end is hinged.
A kind of 4. dumper pincer hydraulic locking apparatus according to claim 3, it is characterised in that:The power conversion device Structure is:Including left block tongue and right block tongue, left block tongue and right block tongue are fixed on the lower end of carriage back door plate, left block tongue and left pincers The one side that shape pawl is in contact is inclined plane, and the one side that right block tongue is in contact with right pincerlike pawl is inclined plane, left block tongue and right block tongue By left pincerlike pawl and right pincerlike claw type into clamping force be converted into coupling mechanism force needed for carriage back door plate.
5. according to a kind of dumper pincer hydraulic locking apparatus of claim 1 or 2 or 4, it is characterised in that:The left pincer Pawl is provided with roller, and the roller on left pincerlike pawl can be in contact with the inclined plane on left block tongue;The right pincerlike pawl is provided with rolling Take turns, the roller on right pincerlike pawl can be in contact with the inclined plane on right block tongue.
A kind of 6. dumper pincer hydraulic locking apparatus according to claim 1, it is characterised in that:The knot of the clamping device Structure is:Including left pincerlike pawl, right pincerlike pawl, synchronizer;The left pincerlike pawl and right pincerlike pawl being symmetrical set pass through support respectively It is hinged on vehicle frame tail end, the jaw of left pincerlike pawl and right pincerlike pawl is set in opposite direction, left pincerlike pawl and right pincerlike pawl Tail end is connected by synchronizer;Synchronizer drives left pincerlike pawl and right pincerlike pawl to apply clamping force to force transducer simultaneously.
7. according to a kind of dumper pincer hydraulic locking apparatus of claim 1 or 6, it is characterised in that:The synchronizer by Left two-way cylinder and right two-way cylinder are formed;The tail end of left two-way cylinder is hinged on vehicle frame, left two-way cylinder Piston rod is hinged with left pincerlike pawl tail end;The tail end of right two-way cylinder is hinged on vehicle frame, the piston rod of right two-way cylinder It is hinged with right pincerlike pawl tail end.
A kind of 8. dumper pincer hydraulic locking apparatus according to claim 7, it is characterised in that:The power conversion device Structure is:Including left block tongue and right block tongue, left block tongue and right block tongue are fixed on the lower end of carriage back door plate, left block tongue and left pincers The one side that shape pawl is in contact is inclined plane, and the one side that right block tongue is in contact with right pincerlike pawl is inclined plane, left block tongue and right block tongue By left pincerlike pawl and right pincerlike claw type into clamping force be converted into coupling mechanism force needed for carriage back door plate.
9. according to a kind of dumper pincer hydraulic locking apparatus of claim 1 or 6 or 8, it is characterised in that:The left pincer Pawl is provided with roller, and the roller on left pincerlike pawl can be in contact with the inclined plane on left block tongue;The right pincerlike pawl is provided with rolling Take turns, the roller on right pincerlike pawl can be in contact with the inclined plane on right block tongue.
CN201710585959.XA 2017-07-18 2017-07-18 A kind of dumper pincer hydraulic locking apparatus Pending CN107380033A (en)

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Application Number Priority Date Filing Date Title
CN201710585959.XA CN107380033A (en) 2017-07-18 2017-07-18 A kind of dumper pincer hydraulic locking apparatus

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Application Number Priority Date Filing Date Title
CN201710585959.XA CN107380033A (en) 2017-07-18 2017-07-18 A kind of dumper pincer hydraulic locking apparatus

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CN107380033A true CN107380033A (en) 2017-11-24

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CN201710585959.XA Pending CN107380033A (en) 2017-07-18 2017-07-18 A kind of dumper pincer hydraulic locking apparatus

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201095325Y (en) * 2007-11-13 2008-08-06 河南骏通车辆有限公司 Automatic locking device for side carriage door of dump truck
CN101654074A (en) * 2008-08-19 2010-02-24 芜湖中集瑞江汽车有限公司 Dumper rear door locking mechanism and dumper having the door locking mechanism
CN201849373U (en) * 2010-10-29 2011-06-01 包头北奔重型汽车有限公司 Locking mechanism for back door of self-dumping truck
CN204568564U (en) * 2015-02-10 2015-08-19 扬州盛达特种车有限公司 Rear door locking device
CN105059796A (en) * 2015-07-30 2015-11-18 广西玉柴专用汽车有限公司 Car rear door locking device of waste transfer truck
CN204774854U (en) * 2015-06-30 2015-11-18 长治清华机械厂 A prevent out locking device that is used for single arm -drag car carriage back door
CN207059863U (en) * 2017-07-18 2018-03-02 十堰市驰田汽车有限公司 A kind of dumper pincer hydraulic locking apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201095325Y (en) * 2007-11-13 2008-08-06 河南骏通车辆有限公司 Automatic locking device for side carriage door of dump truck
CN101654074A (en) * 2008-08-19 2010-02-24 芜湖中集瑞江汽车有限公司 Dumper rear door locking mechanism and dumper having the door locking mechanism
CN201849373U (en) * 2010-10-29 2011-06-01 包头北奔重型汽车有限公司 Locking mechanism for back door of self-dumping truck
CN204568564U (en) * 2015-02-10 2015-08-19 扬州盛达特种车有限公司 Rear door locking device
CN204774854U (en) * 2015-06-30 2015-11-18 长治清华机械厂 A prevent out locking device that is used for single arm -drag car carriage back door
CN105059796A (en) * 2015-07-30 2015-11-18 广西玉柴专用汽车有限公司 Car rear door locking device of waste transfer truck
CN207059863U (en) * 2017-07-18 2018-03-02 十堰市驰田汽车有限公司 A kind of dumper pincer hydraulic locking apparatus

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