CN203318079U - Rigid locking device for automobile elastic suspension - Google Patents
Rigid locking device for automobile elastic suspension Download PDFInfo
- Publication number
- CN203318079U CN203318079U CN2013202718351U CN201320271835U CN203318079U CN 203318079 U CN203318079 U CN 203318079U CN 2013202718351 U CN2013202718351 U CN 2013202718351U CN 201320271835 U CN201320271835 U CN 201320271835U CN 203318079 U CN203318079 U CN 203318079U
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- vehicle
- connecting rod
- oil cylinder
- steel
- locking device
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Abstract
The utility model relates to a rigid locking device for an automobile elastic suspension. The rigid locking device for the automobile elastic suspension comprises an automobile elastic suspension mechanism, wherein a frame is elastically connected with an axle through a steel plate spring, a steel plate spring fixing base and bolts to form the automobile elastic suspension mechanism. The rigid locking device for the automobile elastic suspension is characterized in that a rigid locking mechanism is additionally arranged on the automobile elastic suspension mechanism, and a locking component of the rigid locking mechanism controls the frame and the axle to be in the rigid connecting state, or controls the frame and the axle to be in an elastic connecting state through the steel plate spring. The rigid locking device for the automobile elastic suspension has the advantages that the rigid locking mechanism is additionally arranged on the automobile elastic suspension mechanism, a vehicle hydraulic system supplies switching power, and a mechanical structure is used as the locking component; when an engineering vehicle travels at high speed, the frame and the axle are in elastic connection through the steel plate spring, therefore, the buffer action of high-speed traveling is facilitated; when the engineering vehicle is switched to the low-speed operation, a steel wire rope is tensioned, the steel plate spring is pulled up, a link mechanism is pushed at the same time to enable a clamping block to rightly abut against the steel plate spring, the frame and the axle are in the rigid connecting state, and low-speed operation is facilitated.
Description
Technical field
The utility model belongs to engineering machinery vehicle, relates in particular to a kind of suspension of the vehicle spring for engineering vehicle chassis rigidity Locking Device.
Background technology
When operation is distinguished in the long-term two places of engineering machinery vehicle, while running at high speed, for guaranteeing the stationarity and the traveling comfort that travel, engineering machinery vehicle adopts the resilient suspension system, has good vibration-damping function; And during low speed driving, being subject to larger impact load, vehicle frame and vehicle bridge adopt and are rigidly connected, without vibration insulating system.Therefore, designed engineering machinery vehicle should meet elasticity and two kinds of different work operating modes of rigidity, and has quick transition ability, and locking is reliable, stable.Most of construction machinery and equipment car chassis design flexibility suspension latch functions, generally adopt hydro-pneumatic suspension system.But hydro-pneumatic suspension system device Existential Space is large, expensive, easily gas leakage, the defects such as maintenance inconvenience.At home suspension system rigidity locking has been carried out to correlative study.ZL200620078602.X discloses a kind of rigid locking mechanism of elastic suspension, comprise vehicle frame, fixed oil cylinder fixed bearing on vehicle frame, the oil cylinder fixed bearing is connected with the fixed end of conversion oil cylinder, the movable end of conversion oil cylinder is connected with shift fork, shift fork is connected with an end of castellated shaft, the other end and the strut of castellated shaft are connected, the support seat is set under strut, castellated shaft is arranged on vehicle frame, vehicle frame is connected by steel spring with vehicle bridge, stay cord seat and support seat are set respectively in the inside and outside both sides of vehicle bridge upper steel plate spring, the stay cord seat is connected with shift fork by pull rope mechanism, the stay cord seat be positioned at shift fork under.The utility model can form suspension system in conjunction with multiple elastic element, can realize high-speed engineering vehicle suspension system elasticity-rigidity exchange function, but complicated structure.Application number: 200620078604.9 disclose a kind of spring suspension self locking mechanism, comprise vehicle frame, the front end of vehicle frame is provided with a pair of swing arm, the both sides of swing arm arrange front-wheel, the rear end of swing arm is fixed with turning cylinder, turning cylinder is connected with vehicle frame, swing arm is connected with vehicle frame by half leaf spring again, the front end left and right of vehicle frame respectively arranges a locking oil cylinder, the locking oil cylinder is positioned at the inboard of the vehicle frame track of vehicle frame front end side setting, configuration cylinder sleeve projecting shaft in the vehicle frame track, the cylinder sleeve projecting shaft is crank motion in the vehicle frame track.This device is to design for high speed hauling fork car, and need to reequip design to vehicle frame, does not possess commonality.
The utility model content
The utility model is in order to overcome deficiency of the prior art, a kind of suspension of the vehicle spring for engineering vehicle chassis rigidity Locking Device is provided, can automatically control suspension fork mechanism and realize quick high, low speed operation transition ability, meet the designing requirement of elasticity, rigidity two aspects, locking accurately, reliably.Highly versatile, without the repacking vehicle frame, install and get final product in all-purpose vehicle vehicle frame both sides.
The utility model for achieving the above object, be achieved through the following technical solutions, a kind of vehicle spring suspension rigidity Locking Device, comprise that vehicle frame and vehicle bridge are by steel spring, steel spring permanent seat, bolt carries out elasticity and connects and composes the vehicle spring suspension fork mechanism, it is characterized in that: set up the rigidity lockable mechanism on described vehicle spring suspension fork mechanism, the locking component of described rigidity lockable mechanism is controlled vehicle frame and vehicle bridge and is the state of being rigidly connected or vehicle frame and vehicle bridge by the steel spring state that is flexible connection.
Described rigidity lockable mechanism comprises fixed support, telescopic oil cylinder, connecting rod mechanism, pulley, steel rope, steel rope seat and locking block, described fixed support is fixed on vehicle frame, described fixed support is connected with telescopic oil cylinder by bearing pin, movable end and the connecting rod mechanism of described telescopic oil cylinder are affixed, the movable end of described telescopic oil cylinder is affixed by screw thread pair and steel rope one end, the described steel rope other end is affixed with the steel rope seat be fixed on steel spring after the pulley guiding, described steel rope drives steel spring and moves up and down, described connecting rod mechanism and locking block upper end pin joint, and the drive locking block rotates.
Described connecting rod mechanism comprises first connecting rod, second connecting rod and third connecting rod, between three connecting rods, by bearing pin, connect, described third connecting rod one end and telescopic oil cylinder are affixed, second connecting rod connects by the bolt pin pivot pin be fixed on the vehicle frame adapter plate, described first connecting rod end and locking block pin joint, described locking block is connected with the pin slide on being fixed on the frame fitting adapter plate.
Described telescopic oil cylinder front position is provided with the oil cylinder stroke limited post directly be welded on vehicle frame.
The stroke of described telescopic oil cylinder and the height of locking block and steel rope stay cord equal in length.
Described steel spring is connected with vehicle bridge by steel spring permanent seat and bolt.
Beneficial effect: the utility model is to increase the rigidity lockable mechanism on the basis of vehicle frame resilient suspension system, with automobile hydraulic system, provides conversion power, usings mechanical mechanism as locking component.Engineering truck is when running at high speed, and locking structure is in released state, and vehicle frame carries out elasticity with vehicle bridge by steel spring and is connected, the cushioning effect that is beneficial to run at high speed; When engineering truck is transformed into the low speed operation, telescopic oil cylinder is in tightening state, and tense wire rope is by the steel spring pull-up, promote connecting rod mechanism simultaneously, make locking block just push up steel spring, conversion oil path in oil cylinder locking, now vehicle frame and vehicle bridge are the state of being rigidly connected, and are beneficial to the low speed operation.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model in blocking;
Fig. 2 is the structural representation of the utility model in released state.
In figure: 1-vehicle frame, 2-frame fitting adapter plate, 3-pulley, 4-first connecting rod, the 5-second connecting rod, 6-third connecting rod, 7-steel rope, the 8-limited post, 9-locking block, 10-telescopic oil cylinder, the 11-fixed support, 12-bearing pin, 13-steel rope seat, the 14-bolt, 15-steel spring permanent seat, 16-steel spring, the 17-axle, 18-jam nut, 19-pitman pin
The specific embodiment
Below in conjunction with preferred embodiment, details are as follows for the specific embodiment that foundation the utility model is provided:
Embodiment
As shown in Figure 1 and Figure 2, a kind of vehicle spring suspension rigidity Locking Device, comprise that vehicle frame 1 and vehicle bridge are by steel spring 16, steel spring permanent seat 15, bolt 14 carries out elasticity and connects and composes the vehicle spring suspension fork mechanism, set up the rigidity lockable mechanism on the vehicle spring suspension fork mechanism, the locking component of rigidity lockable mechanism is controlled vehicle frame and vehicle bridge and is the state of being rigidly connected or vehicle frame and vehicle bridge by the steel spring state that is flexible connection.The rigidity lockable mechanism comprises fixed support 11, telescopic oil cylinder 10, connecting rod mechanism, pulley 3, steel rope 7, steel rope seat 13 and locking block 9, fixed support is fixed on vehicle frame, fixed support is connected with telescopic oil cylinder by bearing pin 12, movable end and the connecting rod mechanism of telescopic oil cylinder are affixed, the movable end of telescopic oil cylinder is affixed by screw thread pair and steel rope one end, the steel rope other end is affixed with the steel rope seat be fixed on steel spring after the pulley guiding, steel rope drives steel spring and moves up and down, connecting rod mechanism and locking block upper end pin joint, and the drive locking block rotates.Connecting rod mechanism comprises first connecting rod 4, second connecting rod 5 and third connecting rod 6, between three connecting rods, by pitman pin 19, connect, third connecting rod one end and telescopic oil cylinder are affixed, second connecting rod is by being fixed on the pitman pin pin joint on the vehicle frame adapter plate, first connecting rod end and locking block pin joint, locking block is connected with the pin slide on being fixed on frame fitting adapter plate 2.The telescopic oil cylinder front position is provided with the oil cylinder stroke limited post 8 directly be welded on vehicle frame.The stroke of telescopic oil cylinder and the height of locking block and steel rope stay cord equal in length.Steel spring is connected with vehicle bridge by steel spring permanent seat and bolt; When rising, steel spring can push up steel spring permanent seat 15.Steel rope is connected with the steel rope seat by pulley 3 guiding are rear, reaches the purpose of tension steel spring.When rising, steel spring can push up the steel spring permanent seat.Steel rope is connected with the steel rope seat after leading by pulley, reaches the purpose of tension steel spring.Steel spring moves together with vehicle bridge, and when steel spring moves to extreme higher position, locking block withstands steel spring, and then makes vehicle bridge, vehicle frame form and be rigidly connected.Be fixed with two axle 17 and jam nuts 18 with leading sheave 3 bearing fits on frame fitting adapter plate 2.
Increase the rigidity lockable mechanism on the basis of vehicle frame resilient suspension system.Vehicle frame 1 is with the vehicle bridge (not shown) by steel spring 16, steel spring permanent seat 15, and bolt 14 carries out the elasticity connection.While running at high speed, steel spring has maximum free displacement amount.Telescopic oil cylinder 10 fixed ends are arranged on oil cylinder fixed support 11 by bearing pin 12, oil cylinder fixed support 11 is welded on vehicle frame 1, telescopic oil cylinder 10 movable ends are by weldment while connecting steel wire ropes 7 and third connecting rod 6, the stroke of limited post 8 major limitation telescopic oil cylinders 10 wherein, the height of the stroke of telescopic oil cylinder 10 and locking block 9 and the length of steel rope 7 stay cords must be consistent; Can regulate the proper operation length that steel rope 7 stretches by screw thread pair, steel rope seat 13 directly is welded on steel spring 16.Second connecting rod 5 is fixed on frame fitting adapter plate 2 by bearing pin, can rotate around bearing pin; The mobile second connecting rod 5 that drives of third connecting rod 6 rotates around bearing pin 19, and locking block 9, by the fixing frame fitting adapter plate 2 of bearing pin, can rotate around bearing pin the rotation of the rotation drive locking block 9 of second connecting rod 5.During locking state, steel rope 7 just is tightened up, and locking block 9 just pushes up steel spring permanent seat 15 simultaneously.
The mechanism action process is as follows:
When engineering truck is run at high speed, vehicle frame 1 is connected with vehicle bridge elasticity, and lockable mechanism is in released state, and telescopic oil cylinder 10 is in flexible state, and locking block 9 and vertical plane keep certain inclination angle, and steel rope 7 is in relaxed state.
When engineering truck is the low speed operation by high-speed transitions, by hydraulic efficiency pressure system, provide power, telescopic oil cylinder 10 piston rods pull back in retracted state, and tense wire rope 7 is mentioned steel rope seat 13, carry steel spring 16 is upwards promoted gradually; In the process of telescopic oil cylinder 10 piston rod retractions, pull third connecting rod to move backward simultaneously, the motion of third connecting rod III drives the cooperative motion of second connecting rod 5 and first connecting rod 4, locking block 9 forwards vertical position to around bearing pin, when steel spring 16 is pulled to extreme higher position, locking block 9 just pushes up steel spring 16 and realizes being rigidly connected, and meets engineering truck low speed working condition.
The above, be only preferred embodiment of the present utility model, not structure of the present utility model done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of the technical solution of the utility model.
Claims (6)
1. a vehicle spring suspension rigidity Locking Device, comprise that vehicle frame and vehicle bridge are by steel spring, steel spring permanent seat, bolt carries out elasticity and connects and composes the vehicle spring suspension fork mechanism, it is characterized in that: set up the rigidity lockable mechanism on described vehicle spring suspension fork mechanism, the locking component of described rigidity lockable mechanism is controlled vehicle frame and vehicle bridge and is the state of being rigidly connected or vehicle frame and vehicle bridge by the steel spring state that is flexible connection.
2. vehicle spring suspension rigidity Locking Device according to claim 1, it is characterized in that: described rigidity lockable mechanism comprises fixed support, telescopic oil cylinder, connecting rod mechanism, pulley, steel rope, steel rope seat and locking block, described fixed support is fixed on vehicle frame, described fixed support is connected with telescopic oil cylinder by bearing pin, movable end and the connecting rod mechanism of described telescopic oil cylinder are affixed, the movable end of described telescopic oil cylinder is affixed by screw thread pair and steel rope one end, the described steel rope other end is affixed with the steel rope seat be fixed on steel spring after the pulley guiding, described steel rope drives steel spring and moves up and down, described connecting rod mechanism and locking block upper end pin joint, and the drive locking block rotates.
3. vehicle spring suspension rigidity Locking Device according to claim 1 and 2, it is characterized in that: described connecting rod mechanism comprises first connecting rod, second connecting rod and third connecting rod, between three connecting rods, by bearing pin, connect, described third connecting rod one end and telescopic oil cylinder are affixed, second connecting rod connects by the bolt pin pivot pin be fixed on the vehicle frame adapter plate, described first connecting rod end and locking block pin joint, described locking block is connected with the pin slide on being fixed on the frame fitting adapter plate.
4. vehicle spring suspension rigidity Locking Device according to claim 3, it is characterized in that: described telescopic oil cylinder front position is provided with the oil cylinder stroke limited post directly be welded on vehicle frame.
5. vehicle spring suspension rigidity Locking Device according to claim 4 is characterized in that: the stroke of described telescopic oil cylinder and the height of locking block and steel rope stay cord equal in length.
6. vehicle spring suspension rigidity Locking Device according to claim 5 is characterized in that: described steel spring is connected with vehicle bridge by steel spring permanent seat and bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202718351U CN203318079U (en) | 2013-05-17 | 2013-05-17 | Rigid locking device for automobile elastic suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202718351U CN203318079U (en) | 2013-05-17 | 2013-05-17 | Rigid locking device for automobile elastic suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203318079U true CN203318079U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202718351U Expired - Fee Related CN203318079U (en) | 2013-05-17 | 2013-05-17 | Rigid locking device for automobile elastic suspension |
Country Status (1)
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| CN (1) | CN203318079U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802816A (en) * | 2014-01-22 | 2014-05-21 | 广西柳工机械股份有限公司 | Forklift truck with full-suspension frame structure |
| CN107458164A (en) * | 2017-07-28 | 2017-12-12 | 安徽江淮汽车集团股份有限公司 | First front axle lifting suspension system |
| CN108081896A (en) * | 2017-11-28 | 2018-05-29 | 马鞍山市盛力锁业科技有限公司 | A kind of automobile hanging frame locking system |
| CN114655892A (en) * | 2022-03-30 | 2022-06-24 | 重庆大江智防特种装备有限公司 | High-speed telescopic arm forklift suspension locking device |
| KR20230001024A (en) * | 2021-06-25 | 2023-01-04 | 주식회사 정우테크놀러지 | Truck height Adjuster |
| WO2023175944A1 (en) * | 2022-03-18 | 2023-09-21 | 株式会社モリタホールディングス | Vehicle shaft lock device and vehicle comprising same |
-
2013
- 2013-05-17 CN CN2013202718351U patent/CN203318079U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802816A (en) * | 2014-01-22 | 2014-05-21 | 广西柳工机械股份有限公司 | Forklift truck with full-suspension frame structure |
| CN107458164A (en) * | 2017-07-28 | 2017-12-12 | 安徽江淮汽车集团股份有限公司 | First front axle lifting suspension system |
| CN108081896A (en) * | 2017-11-28 | 2018-05-29 | 马鞍山市盛力锁业科技有限公司 | A kind of automobile hanging frame locking system |
| KR20230001024A (en) * | 2021-06-25 | 2023-01-04 | 주식회사 정우테크놀러지 | Truck height Adjuster |
| KR102589707B1 (en) | 2021-06-25 | 2023-10-17 | 주식회사 정우테크놀러지 | Truck height Adjuster |
| WO2023175944A1 (en) * | 2022-03-18 | 2023-09-21 | 株式会社モリタホールディングス | Vehicle shaft lock device and vehicle comprising same |
| CN114655892A (en) * | 2022-03-30 | 2022-06-24 | 重庆大江智防特种装备有限公司 | High-speed telescopic arm forklift suspension locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160517 |