CN103522984A - Locking device for steering linkage - Google Patents

Locking device for steering linkage Download PDF

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Publication number
CN103522984A
CN103522984A CN201210524023.3A CN201210524023A CN103522984A CN 103522984 A CN103522984 A CN 103522984A CN 201210524023 A CN201210524023 A CN 201210524023A CN 103522984 A CN103522984 A CN 103522984A
Authority
CN
China
Prior art keywords
blocking device
channel section
pin
applicable
steering gear
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
CN201210524023.3A
Other languages
Chinese (zh)
Inventor
D·孙达拉拉聚
R·P·拉雅潘
J·J·吉吉库马尔
N·桑帕斯库马尔
P·K·达斯
S·阿鲁纳查兰
R·库马拉维尔
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of CN103522984A publication Critical patent/CN103522984A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/02—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention relates to a locking device for steering linkage. A locking device (202) includes a channel section (202). The channel section (202) has a first end (204) and a second end (206). The locking device (202) includes an end plate (208) disposed at the first end (204). Further, the locking device (202) includes a reinforcing member (210) disposed about an exterior surface (212) of the channel section (202) at the second end (206). The locking device (202) also includes a pair of first apertures (218) adapted to receive a first pin (220) which is further adapted to receive a tamper-resistant member (224).

Description

Blocking device for steering gear
Technical field
Disclosure text relates to a kind of blocking device for steering gear (steering linkage), and relates more specifically to be applicable to the blocking device in conjunction with steering gear use.
Background technology
In the maintenance period of machine, sometimes may need operating personal to come machine below.May have people due to be unaware of below operating personal and steering wheel rotation so that the possibility that the wheel in machine moves.Operating personal may the path in mobile wheel in, and may be injured thus.Therefore, this machine is provided with the device that stops steering gear to move when operating personal need to be come machine below.Conventionally, machine comprises and is arranged in bearing circle the structure that suppresses the movement of bearing circle the padlock of the final movement that suppresses wheel etc. to install.
Summary of the invention
An aspect of present disclosure provides a kind of blocking device.This blocking device comprises the channel section with first end and the second end.This blocking device comprises the end plate of the first end that is configured in channel section.This blocking device also comprises the strengthening part that is configured in the second end around the outside face of channel section.This blocking device provides a pair of first aperture of applicable receiving the first pin, makes the first pin joint receive anti-error opening (tamper-resistant) parts.
Another aspect of present disclosure provides a kind of blocking device of the steering actuator for steering gear.This blocking device comprises the channel section on the rod unit of the steering actuator that is configured for being arranged on steering gear.This channel section has first end and the second end.One end plate is configured in abutting connection with the cylinder parts of the steering actuator of steering gear at first end.Strengthening part is configured in the second end around the outside face of channel section.In addition, blocking device provides a pair of the first aperture that is applicable to receiving the first pin, makes the first pin joint receive the anti-error parts that open so that blocking device is fixed on the steering actuator of steering gear.
Another aspect of present disclosure provides a kind of method that locks steering gear with blocking device.The method comprises the channel section of blocking device is arranged on the steering actuator of steering gear.The method also comprises makes the first pin through a pair of the first aperture in channel section.In addition, the method comprises by fixing and anti-errorly opens parts and the first pin is remained in a pair of the first aperture.
The further feature of present disclosure and aspect will be from following description and accompanying drawings and apparent.
Accompanying drawing explanation
Fig. 1 shows the transparent view of the machine underframe with steering gear according to an aspect of the present invention, and this steering gear has the blocking device being arranged on steering actuator;
Fig. 2 shows the detail drawing of the steering actuator of the steering gear with blocking device according to an aspect of the present invention;
Fig. 3 shows the transparent view of blocking device;
Fig. 4 shows the lateral plan of blocking device;
Fig. 5 shows the end elevation of blocking device;
Fig. 6 shows the other end view of blocking device;
Fig. 7 shows the exploded drawings of blocking device;
Fig. 8 shows the transparent view of blocking device; And
Fig. 9 show according to an aspect of the present invention for utilizing blocking device to lock the method flow of steering gear.
The specific embodiment
Referring now to accompanying drawing, describe the present invention in detail.Fig. 1 shows the transparent view of machine underframe 100 according to an embodiment of the invention.Machine underframe 100 comprises for providing and turn to mobile steering gear 102 to pair of wheels 104.Steering gear 102 comprises and stretches out or retract to be provided for the mobile a pair of steering actuator 106 of turning to of wheel 104.Steering gear 102 also can comprise with steering actuator 106 collaborative works to provide and to turn to mobile intermediate rod 107 to wheel 104.
Steering gear 102 can comprise for wheel 104 and steering actuator 106 being connected in to a pair of deflecting bar 108 of steering gear 102.As shown in Figure 1, steering actuator 106 can be connected to deflecting bar 108 by steering knuckle (universal-joint) 110.Steering knuckle 110 can be and utilizes trunnion steering actuator 106 to be connected to the pivot connector of deflecting bar 108.
In addition, Fig. 1 shows according to an embodiment of the invention being arranged on and is expressed as 200 blocking device on steering actuator 106 totally.Blocking device 200 can be used to stop by limiting the movement of steering actuator 106 in steering gear 102 movement of pair of wheels 104.In one embodiment, as shown in Figure 1, pair of locking device 200 can be arranged on two steering actuators 106 to suppress steering gear 102.
According to one embodiment of present invention, steering gear 102 can be to use for example hydrostatic steering system of piston-cylinder assembly of hydraulic actuator for steering actuator 106.Fig. 2 shows the detail drawing with the steering actuator 106 of blocking device 200.For clear graphic object, be shown in broken lines steering actuator 106 so that itself and blocking device 200 are made a distinction.
For the ordinary skill in the art, clearly, the rod unit 114 that steering actuator 106 can comprise cylinder parts 112 and be adapted at moving back and forth in cylinder parts 112.Moving back and forth of the rod unit 114 of steering actuator 106 can be converted to via steering knuckle 110 movement that turns to of wheel 104.As shown in Figure 2, blocking device 200 is especially positioned on the rod unit 114 of steering actuator 106.Blocking device 200 can have free-running fit on the rod unit 114 that is arranged on steering actuator 106 time.In addition, the length L of blocking device 200 can be corresponding to the span/extended distance (span) of the rod unit 114 of steering actuator 106.
Referring now to Fig. 3-7,, show the different views of blocking device 200 according to an embodiment of the invention.As shown in the figure, blocking device 200 comprises the channel section 202 with first end 204 and the second end 206.According to an embodiment, channel section 202 can be the roughly U-shaped with fillet.Channel section 202 can be served as reasons such as but not limited to the rigid element of the material formation of following material: the metal alloy such as aluminum alloy or carbon steel and corrosion-resistant steel, the composite material such as carbon fiber reinforced poly-mer, stupalith or the other materials that can form rigidly.
Blocking device 200 can comprise the end plate 208 of the first end 204 that is configured in channel section 202.End plate 208 can be integrally formed with channel section 202 during casting waits.Or end plate 208 can for example be welded and be engaged with channel section 202 by any known technique in this area.When Lock Part 200 is installed on steering actuator 106, end plate 208 can be applicable to the shoulder part (not shown) in abutting connection with cylinder parts 112.End plate 208 can be configured to stand at the first end 204 of channel section 202 stress causing from cylinder parts 112.
Blocking device 200 also can comprise the strengthening part 210 around outside face 212 configurations of channel section 202.Strengthening part 210 can be consistent with the shape of the outside face 212 of channel section 202.In addition configurable the second end 206 in channel section 202 of strengthening part 210.Strengthening part 210 rigid element that poly-mer that the material similar to channel section 202 such as corrosion-resistant steel, carbon fiber strengthen etc. is made of also can serving as reasons.Strengthening part 210 can provide other intensity to bear the stress of initiation to channel section 202.
In addition, blocking device 200 can comprise the lifting handle 214 on the outside face 212 that is attached to channel section 202.For example, lifting handle 214 can with channel section 202 integratedly, namely by casting or this area in any other known technique form.Or lifting handle 214 can be welded in channel section 202 between the erecting stage of blocking device 200.
As shown in the figure, channel section 202 can have from a pair of first flange 216 of its extension and contiguous first end 204 configurations.In illustrated embodiment, a pair of the first flange 216 forms with channel section 202.In addition, a pair of the first flange 216 can have a pair of the first aperture 218 aligned with each other.A pair of the first aperture 218 can provide moving contact to receive the first pin 220.The first pin 220 can be the form of bolt, an end, has cap 221.In one embodiment, the first pin 220 can have the first eyelet 222 that contiguous another end arranges.The first eyelet 222 can be applicable to receiving the anti-error parts 224 that open, such as padlock etc.
Similarly, a pair of the second flange 226 can be close to the second end 206 from channel section 202 extensions.A pair of the second flange 226 can have a pair of the second aperture 228, as shown in Figure 7.Strengthening part 210 also can have a pair of corresponding aperture 230 of aiming at a pair of the second aperture 228.A pair of the second aperture 228 can provide moving contact to receive the second pin 232 with cap 233, as shown in Figure 7 together with the aperture 230 of a pair of correspondence.The second pin 232 can be provided with the second eyelet 234 an end.The second eyelet 234 can be applicable to receiving as the anti-error retainer 236 that opens parts 224, so that blocking device 200 is fastened on the steering actuator 106 of steering gear 102, as shown in relevant accompanying drawing.
Blocking device 200 also can comprise the pad 238 of the inside face 240 of lining channel section 202.In the Lock Part 200 of disclosure text, in the situation that channel section 202 takes the shape of the letter U, each face that can be the inside face 240 of channel section 202 arranges three pads 238.Pad 238 also can have corresponding aperture 242, as shown in Figure 7, and to receive the first pin 220 and the second pin 232.Pad 238 can be made by such as natural or neoprene, isocyanurate foam, plastics, neoprene etc. of certain friction material with antiwear characteristic.
In an optional embodiment, as shown in Figure 8, blocking device 200 can abut against steering actuator 106 and be fixed with more traditional securing device.Particularly, blocking device 200 can comprise the fastener such as bolt 244 that replaces pin 220,232, and the padlock 224 described in the replacement literary composition of cooperation and the nut 246 of retainer 236.Here, bolt 244 slidably can be fastened to the other end by aperture and corresponding nut 246, thereby blocking device 200 is fixed on steering actuator 106.
industrial usability
According to discussion above, by the industrial usability of easy to understand device as herein described.To prevent, aspect the shifted laterally of wheel 104, disclosure text has been described stoping steering actuator 106 to move with blocking device 200 in steering gear 102.Yet blocking device 200 can be used for needing other application of limited piston-cylinder component, for example, during the maintenance of machine or similar object, lock lift cylinder and inclined cylinder with exudate hydraulic fluid.In addition, can imagine blocking device 200 can be for adopting any machine of hydrostatic steering system in the situation that revising on a small quantity or do not revise, such as automobile, field truck and Other Engineering machine and farming machine such as loader, excavating machine, trac. etc.
As mentioned above, may need to lock steering gear because sometimes maintenance period operating personal may must come below machine underframe to approach some member.May have people due to accident or not recognize the just possibility of steering wheel rotation below machine underframe and when operating personal is still below machine underframe of operating personal.This will cause the shifted laterally of wheel and may injure operating personal.Past has made an effort to avoid this type of accident, and it mainly concentrates on provides lock for bearing circle.Before keeping in repair below coming machine underframe, operating personal this lock must be arranged on the bearing circle being conventionally arranged in operator's compartment.
Yet the blocking device 200 of disclosure text is fixing steering gear 102 in maintenance position.That is to say, operating personal is directly installed on blocking device 200 on steering gear 102 while coming below machine underframe 100 before the maintenance that starts machine.Therefore, steering gear 102 is by locked by the position that machine is keeped in repair at operating personal.This has helped avoid people also may cause injuring operating personal by bearing circle release in operator's compartment.Blocking device 200 that is to say, even if can be guaranteed the movement that has people's steering wheel rotation also can not cause wheel 104 and therefore reduce the injured possibility of operating personal.
In the blocking device 200 of disclosure text, channel section 202 provides supporting for other members.Channel section 202 can be based on steering actuator 106 the span of rod unit 114 with the L shaped one-tenth of Len req, and be therefore applicable to the various steering actuators 106 for different steering gears 102.In addition, strengthening part 204 can contribute to the stress causing in the second end 206 bears blocking device 200.For example, when bearing circle is rotated, rod unit 114 can be attempted to retract in the inside of cylinder parts 112.Along with channel section 202 is attempted to limit this and moved, this can cause stress in channel section 202.The strengthening part 204 of being made by rigid material can provide extra intensity to bear this type of stress to channel section 202.Similarly, end plate 208 can contribute to bear the stress causing at first end 204.
Lifting handle 214 can contribute to easily blocking device 200 is installed and is placed on steering actuator 106.When rod unit 114 moves due to the actuating of steering actuator 106, padding 238 can provide friction and contribute to reduce the inside face 240 of channel section 202 and the wearing and tearing between rod unit 114.In addition, as intelligible in those of ordinary skill in the art, anti-error parts 224 and the retainer 236 of opening can contribute to respectively the first pin 220 and the second pin 232 to be remained in blocking device 200, this most at last blocking device 200 be fastened on steering actuator 106.
The present invention also provides a kind of method that locks steering gear 102 with blocking device 200.By means of method flow 300 as shown in Figure 9, the method is described.In step 302, the method comprises the channel section of blocking device 200 202 is arranged on the steering actuator 106 of steering gear 102.In addition,, in step 304, the method comprises makes first pin 220 with the first eyelet 222 through a pair of the first aperture 218 in channel section 202.Finally, in step 304, the method comprises by utilizing the anti-error parts 224 that open in the first eyelet 222 that the first pin 220 is remained in a pair of the first aperture 218 and fixes blocking device 200.
The scope that does not depart from following claim although the embodiment of this open text as described herein can merge, it will be apparent to those skilled in the art that, can make various remodeling and modification to above openly text.According to specification sheets and the practice to open text, other embodiment to those skilled in the art will be clearly.Should think that specification sheets and example are only for exemplary, true scope is indicated by following claim and their equivalent.

Claims (10)

1. a blocking device (200), comprising:
The channel section (202) with first end (204) and the second end (206);
Be configured in the end plate (208) of described first end (204);
Outside face (212) around described channel section (202) is configured in the strengthening part (210) of described the second end (206); And
Be applicable to receiving a pair of first aperture (218) of the first pin (220), described the first pin (220) is applicable to receiving the anti-error parts (224) that open.
2. blocking device according to claim 1 (200), wherein, described the first pin (220) comprises and is applicable to receiving described anti-error the first eyelet (222) that opens parts (224).
3. blocking device according to claim 1 (200), wherein, described channel section (202) is U-shaped.
4. blocking device according to claim 1 (200), also comprises a pair of the second aperture (228) that is applicable to receiving the second pin (232), and wherein, described the second pin (232) is applicable to receiving the anti-error parts (224) that open.
5. blocking device according to claim 1 (200), also comprises the pad (238) of the inside face (240) of channel section (202) described in lining.
6. blocking device according to claim 1 (200), also comprises the lifting handle (214) on the outside face (212) that is attached to described channel section (202).
7. the blocking device (200) of the steering actuator for steering gear (102) (106), described blocking device (200) comprising:
Be suitable for the channel section (202) of installing around the rod unit (114) of the described steering actuator (106) of described steering gear (102), described channel section (202) has first end (204) and the second end (206);
Be configured in the end plate (208) of described first end (204), described end plate (204) is applicable in abutting connection with the cylinder parts (112) of the described steering actuator (106) of described steering gear (102);
Outside face (212) around described channel section (202) is configured in the strengthening part (210) of described the second end (206); And
Be applicable to receiving a pair of first aperture (218) of the first pin (220), described the first pin (220) is applicable to receiving the anti-error parts (224) that open so that described blocking device (200) is fixed on the described steering actuator (106) of described steering gear (102).
8. blocking device according to claim 7 (200), wherein, described the first pin (220) comprises and is applicable to receiving described anti-error the first eyelet (222) that opens parts (224).
9. blocking device according to claim 7 (200), wherein, the length (L) of described channel section (202) is corresponding with the span of the described rod unit (114) of the described steering actuator (106) of described steering gear (102).
One kind locking steering gear (102) method (300), described method (300) comprising:
The channel section of blocking device (200) (202) is arranged on the steering actuator (106) of described steering gear (102);
Make the first pin (220) through a pair of the first aperture (218) in described channel section (202); And
By using the anti-error parts (224) that open that described the first pin (220) is remained on and fixes described blocking device (200) in described a pair of the first aperture (218).
CN201210524023.3A 2012-07-02 2012-12-07 Locking device for steering linkage Pending CN103522984A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2060/DEL2012 2012-07-02
IN2060DE2012 2012-07-02

Publications (1)

Publication Number Publication Date
CN103522984A true CN103522984A (en) 2014-01-22

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ID=49925463

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210524023.3A Pending CN103522984A (en) 2012-07-02 2012-12-07 Locking device for steering linkage

Country Status (2)

Country Link
CN (1) CN103522984A (en)
RU (1) RU2610788C2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162480A (en) * 1984-08-04 1986-02-05 Richard Edward Wilson Anti-theft device for caravans and trailers
US5794462A (en) * 1992-12-16 1998-08-18 Trailer Lock Development Limited Disabling device
EP0918000A1 (en) * 1997-11-19 1999-05-26 Valeo Securite Habitacle Antitheft device for a steering column in a motor vehicle
EP0995649A1 (en) * 1998-10-20 2000-04-26 FIAT AUTO S.p.A. Steering unit for vehicles
WO2003086828A1 (en) * 2002-04-08 2003-10-23 Natan Greenfeld Vehicle anti-theft device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2094259C1 (en) * 1996-02-08 1997-10-27 Александр Николаевич Родный Automobile antitheft device
US5983684A (en) * 1998-01-22 1999-11-16 Boisvert; Richard M. Anti-theft device
US6874338B1 (en) * 2003-09-30 2005-04-05 Michael H Hunt Hydraulic piston locking device
US7930914B1 (en) * 2009-11-23 2011-04-26 Richard Warren Taylor Anti-theft device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162480A (en) * 1984-08-04 1986-02-05 Richard Edward Wilson Anti-theft device for caravans and trailers
US5794462A (en) * 1992-12-16 1998-08-18 Trailer Lock Development Limited Disabling device
EP0918000A1 (en) * 1997-11-19 1999-05-26 Valeo Securite Habitacle Antitheft device for a steering column in a motor vehicle
EP0995649A1 (en) * 1998-10-20 2000-04-26 FIAT AUTO S.p.A. Steering unit for vehicles
WO2003086828A1 (en) * 2002-04-08 2003-10-23 Natan Greenfeld Vehicle anti-theft device

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Publication number Publication date
RU2610788C2 (en) 2017-02-15
RU2013107780A (en) 2014-08-27

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Application publication date: 20140122