CN202000787U - Landing leg locking device and concrete pump truck - Google Patents
Landing leg locking device and concrete pump truck Download PDFInfo
- Publication number
- CN202000787U CN202000787U CN2010206899117U CN201020689911U CN202000787U CN 202000787 U CN202000787 U CN 202000787U CN 2010206899117 U CN2010206899117 U CN 2010206899117U CN 201020689911 U CN201020689911 U CN 201020689911U CN 202000787 U CN202000787 U CN 202000787U
- Authority
- CN
- China
- Prior art keywords
- dead bolt
- locking device
- lock housing
- cam part
- outrigger
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model discloses a landing leg locking device, which comprises a lock case, a spring bolt and a retaining block. The spring bolt is arranged inside the lock case, and a part of the spring bolt which extends out of the lock case is matched with the retaining block. The spring bolt is connected with a spring bolt control mechanism which drives the spring bolt to do vertical movement relative to the retaining block and switches between a locking state and an unlocking state. The landing leg locking device has the advantages of being simple in structure, simple and convenient to operate, low in requirements for installation space and safe and reliable in locking. A concrete pump truck is also provided, and landing legs of the concrete pump truck are provided with the landing leg locking devices.
Description
Technical field
The utility model relates to outrigger locking device and the engineering machinery that is used for engineering machinery, relates in particular to the outrigger locking device and the concrete mixer that are used on the concrete mixer.
Background technology
In engineering machinery, locking structure need be used in a lot of places, for example in order to prevent that supporting leg from arranging when the retracted state or stretch out, need locking system be installed with its locking on supporting leg.The outrigger locking device claimed structure is as far as possible simple, it is little to take up room, locking is reliable, and easy to operate.Existing supporting leg lock generally is made up of parts such as dead bolt, block, return springs, and dead bolt seesaws with respect to block, and it is bigger to take up room, and therefore in the engineering machinery design, the design of lock is subjected to spatial constraints, and its complex structure, inconvenient, the poor reliability of operation.
For example, notification number is that the patent documentation of US5470167 discloses a kind of outrigger locking device, and it adopts lever principle to realize spacing and locking.In this locking system, guide groove is fixed on the vehicle frame, lock bolt can endwisely slip along it in guide groove, and go out at the one distal process, the compression spring is supported between the flange of the inside shaft shoulder of guide groove and lock bolt, and action bars is connected on the junction plate and can be eccentric around the axle swing between two backing plates that are fixed on the guide groove, and drive bolt is vertically outstanding in the back of lock bolt, and and two backing plates between zone engages, under the effect of spring, abut against on the junction plate.In order to ensure the sufficient lubrication of relative movement part in the locking system, also be provided with one lubricated mouthful on the guide groove.The operation of this outrigger locking device is more convenient, but owing to adopt telescopic lock core to cause overall structure long, thereby has limited its mounting means on the rear support leg especially of leading leg, and is also higher to the requirement of installing space.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of simple in structure, simple to operation, low to requirements of installation space, outrigger locking device that locking is safe and reliable and the concrete mixer with this outrigger locking device are provided.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of outrigger locking device, comprise lock housing, dead bolt and block, described dead bolt is installed in the lock housing and a part is stretched out lock housing and cooperated with described block, the dead bolt controlling organization that described dead bolt is connected with that the relative block of driving dead bolt moves up and down and changes at lockup state and released state.
Described dead bolt controlling organization comprises back-moving spring and lock dog, described back-moving spring is located in the described lock housing, described back-moving spring lower end and described dead bolt upper end offset, and the top of upper end and described lock housing offsets, and described lock dog offsets with the dead bolt lower end and cooperates the control dead bolt to move up and down with back-moving spring.
Described lock dog is made up of cam part and handle portion, described handle portion is connected on the cam part, described cam part is articulated in the lock housing by pin uranium, and described cam part is provided with locking working face and release working face, all forms self-locking when locking working face or release working face contact with dead bolt.
Described lock housing is provided with handle and dodges groove, and described handle portion places described handle to dodge in the groove.
Described lock housing is provided with the strip dead bolt hole of vertical deployment, and described dead bolt stretches out lock housing from dead bolt hole and cooperates with described block.
A kind of concrete mixer comprises the supporting leg that is installed on the car body chassis, is equiped with above-mentioned outrigger locking device on the described supporting leg.
Compared with prior art, advantage of the present utility model is:
Outrigger locking device of the present utility model, drive structure realization lockup state and the released state conversion that the relative block of dead bolt moves up and down by the dead bolt controlling organization, this structure reduces greatly to the requirement of installing space, is convenient to save the space, makes the layout of supporting leg more flexible; This outrigger locking device is simple to operation simultaneously, and is safe and reliable to the locking of supporting leg.Lock dog in the dead bolt controlling organization is made up of cam part and handle portion, can rotate by handle portion control cam part very easily, and cooperate the relative block lifting of control dead bolt by the rotation of cam part with back-moving spring, and is easy to operate, quick, time saving and energy saving.Be equiped with above-mentioned outrigger locking device on the concrete mixer of the present utility model, because this outrigger locking device has above-mentioned technique effect, this concrete mixer also has the corresponding techniques effect.
Description of drawings
Fig. 1 is the perspective view of outrigger locking device of the present utility model;
Fig. 2 is the main sectional view (released state) of outrigger locking device of the present utility model;
Fig. 3 is the left view (released state) of outrigger locking device of the present utility model;
Fig. 4 is the main sectional view (lockup state) of outrigger locking device of the present utility model;
Fig. 5 is the left view (lockup state) of outrigger locking device of the present utility model;
Fig. 6 is the structural representation of concrete mixer of the present utility model.
Each label is represented among the figure:
1, lock housing; 2, back-moving spring; 3, dead bolt; 4, block; 5, lock dog; 6, dead bolt controlling organization; 7, pin uranium; 8, chassis; 9, supporting leg; 11, dead bolt hole; 12, handle is dodged groove; 51, cam part; 52, handle portion; 511, locking working face; 512, release working face.
The specific embodiment
Fig. 1 to Fig. 5 shows a kind of outrigger locking device embodiment of the present utility model, this device comprises lock housing 1, dead bolt 3 and block 4, dead bolt 3 is installed in the lock housing 1 and a part is stretched out lock housing 1 and cooperated with block 4, dead bolt 3 is connected with the dead bolt controlling organization 6 that drives that dead bolt 3 relative blocks 4 move up and down and change at lockup state and released state, this structure reduces greatly to the requirement of installing space, be convenient to save the space, make the layout of supporting leg 9 more flexible; This outrigger locking device is simple to operation simultaneously, and is safe and reliable to the locking of supporting leg 9.
In the present embodiment, lock housing 1 is the square tube shape, one side of lock housing 1 is provided with the strip dead bolt hole 11 of vertical deployment, dead bolt 3 stretches out lock housing 1 from dead bolt hole 11 and cooperates with block 4, lock housing 1 is except can making the square tube shape in the present embodiment, also can be made into cylindricly, its shape is according to the condition choose reasonable in actual arrangement space.Dead bolt controlling organization 6 comprises back-moving spring 2 and lock dog 5, this back-moving spring 2 is the compression spring, back-moving spring 2 is located in the lock housing 1, back-moving spring 2 lower ends and dead bolt 3 upper ends offset, and the top of upper end and lock housing 1 offsets, and lock dog 5 offsets with dead bolt 3 lower ends and cooperates control dead bolt 3 to move up and down with back-moving spring 2, lock dog 5 is made up of cam part 51 and handle portion 52, handle portion 52 is connected on the cam part 51, and lock housing 1 is provided with handle and dodges groove 12, and handle portion 52 places handle to dodge in the groove 12; Cam part 51 is articulated in the lock housing 1 by pin uranium 7, and cam part 51 is provided with locking working face 511 and release working face 512, all forms self-locking when locking working face 511 or release working face 512 contact with dead bolt 3.
Operating principle:
1, from the released state to the lockup state, the unlocking condition of outrigger locking device of the present utility model as shown in Figures 2 and 3, in the time of need be with supporting leg 9 lockings, promote handle portion 52 shown in Fig. 2 counterclockwise, make that release working face 512 breaks away from dead bolts 3 in the cam part 51 of lock dog 5, locking working face 511 up to cam part 51 contacts with dead bolt 3, in lock dog 5 rotation processes, dead bolt 3 remains under the effect of back-moving spring 2 with cam part 51 and contacts, guarantee dead bolt 3 motions steadily, accurately put in place, 4 formation stop to block, reach lockup state as shown in Figure 4 and Figure 5, finish locking.
2, from the lockup state to the released state, the lockup state of outrigger locking device of the present utility model as shown in Figure 4 and Figure 5, in the time of need be with supporting leg 9 releases, promote handle portion 52 shown in Fig. 4 clockwise, make that locking working face 511 breaks away from dead bolts 3 in the cam part 51 of lock dog 5, release working face 512 up to cam part 51 contacts with dead bolt 3, in lock dog 5 rotation processes, dead bolt 3 remains under the effect of back-moving spring 2 with cam part 51 and contacts, guarantee dead bolt 3 motions steadily, accurately put in place, dodge out the space of block 4 fully, reach released state as shown in Figures 2 and 3, finish release.
Fig. 6 shows a kind of concrete mixer embodiment of the present utility model, and this concrete mixer comprises the supporting leg 9 that is installed on the car body chassis 8, is equiped with the outrigger locking device in the foregoing description on the supporting leg 9.
Above-mentioned is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art, under the situation that does not break away from the technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all should drop in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to the utility model technical spirit.
Claims (6)
1. outrigger locking device, comprise lock housing (1), dead bolt (3) and block (4), described dead bolt (3) is installed in the lock housing (1) and a part is stretched out lock housing (1) and cooperated with described block (4), it is characterized in that: described dead bolt (3) is connected with the dead bolt controlling organization (6) that drives that the relative block (4) of dead bolt (3) moves up and down and change at lockup state and released state.
2. outrigger locking device according to claim 1, it is characterized in that: described dead bolt controlling organization (6) comprises back-moving spring (2) and lock dog (5), described back-moving spring (2) is located in the described lock housing (1), described back-moving spring (2) lower end and described dead bolt (3) upper end offset, the upper end offsets with the top of described lock housing (1), and described lock dog (5) offsets with dead bolt (3) lower end and cooperates control dead bolt (3) to move up and down with back-moving spring (2).
3. outrigger locking device according to claim 2, it is characterized in that: described lock dog (5) is made up of cam part (51) and handle portion (52), described handle portion (52) is connected on the cam part (51), described cam part (51) is articulated in the lock housing (1) by pin uranium (7), described cam part (51) is provided with locking working face (511) and release working face (512), when locking working face (511) or release working face (512) all form self-locking with dead bolt (3) when contacting.
4. outrigger locking device according to claim 3 is characterized in that: described lock housing (1) is provided with handle and dodges groove (12), and described handle portion (52) places described handle to dodge in the groove (12).
5. according to each described outrigger locking device in the claim 1 to 4, it is characterized in that: described lock housing (1) is provided with the strip dead bolt hole (11) of vertical layout, and described dead bolt (3) stretches out lock housing (1) from dead bolt hole (11) and cooperates with described block (4).
6. a concrete mixer comprises the supporting leg (9) that is installed on the car body chassis (8), it is characterized in that: be equiped with on the described supporting leg (9) as each described outrigger locking device in the claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206899117U CN202000787U (en) | 2010-12-30 | 2010-12-30 | Landing leg locking device and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206899117U CN202000787U (en) | 2010-12-30 | 2010-12-30 | Landing leg locking device and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202000787U true CN202000787U (en) | 2011-10-05 |
Family
ID=44703532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206899117U Expired - Lifetime CN202000787U (en) | 2010-12-30 | 2010-12-30 | Landing leg locking device and concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202000787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453502A (en) * | 2014-12-02 | 2015-03-25 | 安徽工程大学 | Locking device |
-
2010
- 2010-12-30 CN CN2010206899117U patent/CN202000787U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453502A (en) * | 2014-12-02 | 2015-03-25 | 安徽工程大学 | Locking device |
| CN104453502B (en) * | 2014-12-02 | 2016-05-11 | 安徽工程大学 | A kind of locking device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210563650U (en) | Garage hoisting device | |
| CN103601055B (en) | Elevator rail clamping device | |
| CN105035957A (en) | Hydraulic walking type automatic walking mechanism | |
| CN1330837C (en) | Mechanized lifting scaffold and its lifting method | |
| CN202000787U (en) | Landing leg locking device and concrete pump truck | |
| CN202945889U (en) | Sliding door unlocking mechanism | |
| CN102518331B (en) | Falling prevention device of carrying trolley and three-dimensional parking garage | |
| CN201722039U (en) | Manual unlocking device of hoistway door | |
| CN202945891U (en) | Sliding door locking mechanism | |
| CN202202650U (en) | Safety lock of emergency door | |
| CN202945959U (en) | Sliding door for rail transit safety door | |
| CN210946604U (en) | Low-energy-consumption shared parking ground lock | |
| CN102838051B (en) | Jack capable of fast lifting | |
| CN212127305U (en) | Crane non-working condition overturn preventing device | |
| CN203570010U (en) | Manual unlocking device of BRT (Bus Rapid Transit) safety door | |
| CN204402107U (en) | One machine one plate back boom multi-storied garage | |
| CN202772005U (en) | Reversible contactor group with mechanical interlock device | |
| CN203095529U (en) | Lifting self-locking mechanism of ultra-thin large-scissor lifting machine | |
| CN202625538U (en) | Elevator maintenance safety device | |
| CN203031989U (en) | Hydraulic machine safe locking device and hydraulic machine | |
| CN202782933U (en) | Locking mechanism of vehicle ladder assembly | |
| CN202650875U (en) | Rope-pulling-type safety switch of reel machine of greenhouse | |
| CN201473202U (en) | Over-rail locking device of crane | |
| CN105128784B (en) | Storage battery dolly self-lock device of track car | |
| CN201460476U (en) | Steel wire rope coded lock with key |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130506 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 31 industrial city, Changsha economic and Technological Development Zone, Hunan, Changsha Patentee before: Sanyi Heavy Industry Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |
|
| CX01 | Expiry of patent term |