CN201446979U - Locking mechanism used on telescoping vehicle frame - Google Patents
Locking mechanism used on telescoping vehicle frame Download PDFInfo
- Publication number
- CN201446979U CN201446979U CN2009200470571U CN200920047057U CN201446979U CN 201446979 U CN201446979 U CN 201446979U CN 2009200470571 U CN2009200470571 U CN 2009200470571U CN 200920047057 U CN200920047057 U CN 200920047057U CN 201446979 U CN201446979 U CN 201446979U
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- latch
- vehicle frame
- pin
- guide
- lockhole
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Abstract
The utility model discloses a locking mechanism used on a telescoping vehicle frame, comprising a pin base mounted on a walking vehicle frame, a pin sleeve integrated with the pin base, a latch pin inserted into the pin base and the pin sleeve and connecting a lockhole of the walking vehicle frame and a lockhole of a main vehicle frame, and a positioning bolt radially penetrating through the pin sleeve and the latch pin, characterized in that a stud is arranged in the pin sleeve, the bottom of the stud is fixed on the top of the latch pin, the top is screwed with a pin removal nut, a pressing plate fixed on the top of the pin sleeve is arranged between the pin removal nut and the pin sleeve, a spring is arranged in the pin sleeve and between the pressing plate and the latch pin, and an axial limiting structure is arranged between the pin sleeve and the latch pin. According to the utility model, the stud is arranged in the pin sleeve, the bottom is fixed on the top of the latch pin, the top is provided with the pin removal nut, and the spring is arranged between the pressing plate and the latch pin, so that the latch pin is inserted and drawn conveniently and rapidly, thus reducing the labor intensity of the operator.
Description
Technical field
The utility model relates to a kind of lockout mechanism, is specifically related to a kind of lockout mechanism that is used on the flexible vehicle frame of construction machinery and equipment.
Background technology
In daily building is produced; use construction machinery and equipments such as excavating machine, dismounting machine, crawler crane, rotary drilling rig through regular meeting; these machineries mainly are made up of running gear, turning gear, equipment and control setup; equipment is a device of directly finishing mining task; and turning gear and running gear are the bodies of hydraulic excavator; equipment is transferred on turning gear, and turning gear is fixed on the underframe of running gear, for example our common excavating machine.
According to the tonnage difference of excavating machine, can be divided into 10 tons with interior digging for a short time, 10～20 tons medium and small digging dug in 20～30 tons, and digging greatly more than 30 tons.In general the rack section in the running gear of large-scale digging machine adopts split-type structural, especially the digging machine more than 36 tons, so-called split-type structural is meant that the traveling vehicle frame of both sides installation traveling crawler is split type the connection with the main car frame (crossbeam) of centre, is fastenedly connected by blocking device between main car frame and the traveling vehicle frame.In order to guarantee the stability of car body, the width of running gear is bigger, when transportation, need be with the distance between the walker of the left and right sides suitable minimizing, so that car load is left transport trolley, so just need not take parts apart and transport respectively, be convenient to the transfer of construction machinery and equipment between different work ground; Integral transportation can not influence the operational capability of digging machine simultaneously, but descends to some extent with the more stable property of deployed condition, therefore in normal operation, also needs left and right sides walker is launched, and guarantees job safety.
The blocking device of fastening main car frame and traveling vehicle frame, as shown in Figure 1, comprise stop pin, key seat and lock bolt, key seat is welded on the walker, offer on the key seat with main car frame on the pin joint hole that connects of lockhole, in bearing pin is inserted in lockhole on the main car frame along the pin joint hole,, make relative fixed between traveling vehicle frame and the main car frame again by lock bolt locking bearing pin.When adjusting vehicle frame, need to extract lock bolt out, extract stop pin, operating hydraulically operated oil cylinder stretches out vehicle frame or is retracted to suitable position, inserts stop pin, and the locking lock bolt makes the locking of traveling vehicle frame and main car frame.Yet when using the adjustment of this device to stretch the vehicle frame state; at first need to extract stop pin; because existing processing technology can't guarantee the lockhole on main car frame and the walker and the position relation of face accurately; make that contraposition is inaccurate between the lockhole; cause the plug of stop pin comparatively difficult; sometimes only manually extracting stop pin with operating personal is very much difficulty; need on the two bit manipulation personnel machines; machine cooperates down; the hydraulic ram that persons on board operate walker stretches; position relation between fine setting walker and main car frame; the sense of motion of staffing walker and distance under the machine are shut down in good time and are extracted stop pin, and operation is trouble quite; time-consuming.
Summary of the invention
The utility model purpose provides a kind of lockout mechanism that is used on the flexible vehicle frame, by the improvement to structure, makes that the plug of latch is more convenient, quick in the lockout mechanism, has alleviated labor intensity of operating personnel, accelerates conveying efficiency.
For achieving the above object, the technical solution adopted in the utility model is: a kind of lockout mechanism that is used on the flexible vehicle frame, comprise the key seat that is installed on the traveling vehicle frame, be integrally formed with guide with described key seat, be inserted in key seat and the guide, the latch that connects traveling vehicle frame lockhole and main car frame lockhole, and the dowel bolt that radially runs through guide and latch, be provided with a double-screw bolt in the described guide, the top of described latch is fixed in the bottom of this double-screw bolt, the top nut of pulling pin that is spirally connected, described pulling pin is provided with a pressing plate that is fixed in the guide top between nut and described guide, be positioned at described guide, be provided with spring between this pressing plate and latch, be provided with the axial limiting structure between described guide and described latch.
Above, running gear is one of constituent elements in construction machinery and equipment such as excavating machine, the crawler crane etc., usefulness for engineering machinery walking, on large-scale engineering machinery, generally include a flexible vehicle frame, mainly the traveling vehicle frame of traveling crawler and middle main car frame (crossbeam) formation are installed by both sides, on traveling vehicle frame and main car frame, be respectively equipped with the lockhole of pegging graft for latch, when latch after key seat inserts two lockholes, just traveling vehicle frame and main car frame are fixed.In the technique scheme, key seat and guide one welding fabrication, key seat is fixed on the traveling vehicle frame, latch is inserted in the guide, the latch top is fixed in double-screw bolt bottom in the guide, the top of the double-screw bolt nut of pulling pin that is spirally connected, and the guide top is fixed with pressing plate, be positioned at described guide, be provided with spring between this pressing plate and latch.In use, in the time of need extracting latch, rotate the nut of pulling pin with spanner, owing to establish axial position limiting structure between guide and the latch, use the latch can only axial motion, the nut of pulling pin is tight to the key seat sidespin, pressing plate holddown spring, double-screw bolt outwards move, and the latch of ining succession is outwards extracted in the lump, after the bottom of latch breaks away from the main car frame lockhole, just can relatively move between traveling vehicle frame and main car frame, control the hydraulic ram of traveling vehicle frame, a left side, right lateral walks that vehicle frame is flexible to stop before next lockhole, the nut of will pulling pin unclamps to the double-screw bolt top, latch is under the elastic force of spring, and the top is butted on the main car frame, up to the lockhole of aiming on the main car frame, latch slips in the lockhole automatically, replys lock-out state once more.The utilization nut of pulling pin by power wrench, makes that the plug of latch is convenient, laborsaving, can alleviate labor intensity of operating personnel.
In the technique scheme, described axial limiting structure has following two kinds of set-up modes: one, and described guide both sides offer the chute that cooperates with described bolt respectively, constitute described axial limiting structure; Its two, described guide inboard is axially arranged with spacing slideway, described latch is provided with the projection that cooperates with this spacing slideway, both constitute described axial limiting structure.Wherein, optimized technical scheme is, described guide upper hopper chute cooperates with bolt, and described bolt radially runs through guide and latch, only can endwisely slip along chute is upper and lower; In addition,, can attempt directly holding bolt and outwards extract latch,, can adopt the turn nut of pulling pin to realize, thereby improve operating efficiency if when manual operations can't be finished when main car frame is corresponding with the lockhole position on the traveling vehicle frame comparatively accurately the time.
Further technical scheme, symmetry offers draw-in groove on the described chute in both sides, and this draw-in groove lockhole distance between lockhole to the traveling vehicle frame to the distance of chute bottom and the described main car frame cooperates.After extracting latch, bolt can be stuck in the draw-in groove, under the spring force effect, be butted on firmly on the main car frame, reduce damage by friction, also can reduce the generation of operation noise to prevent latch.
Captive joint through socket bolt between further technical scheme, described pressing plate and described guide.Described pressing plate is fixed through socket bolt and guide, prevents that pressing plate from use dropping.
Because the technique scheme utilization, the advantage that the utility model compared with prior art has is:
1, since the utility model by in guide, being provided with a double-screw bolt, the latch top is fixed in its bottom, the top nut of pulling pin that is spirally connected, described pulling pin is provided with a pressing plate that is fixed in the guide top between nut and described guide, be positioned at described guide, be provided with spring between this pressing plate and latch, when adjusting the vehicle frame state, rotate the nut of pulling pin, owing to establish axial position limiting structure between guide and the latch, use the latch can only axial motion, thereby along with the moving latch of the outer shipper pole of double-screw bolt is outwards extracted; On the contrary, can utilize the elastic force of spring that latch is inserted in the main car frame lockhole during insertion, reply lock-out state; So operation utilizes the nut of pulling pin, and by power wrench, makes that the plug of latch is convenient, laborsaving, alleviates labor intensity of operating personnel;
2, because latch under the effect of spring, inserts in the lockhole automatically, need not the operating personal M/C when reaching the main car frame lockhole, laborsaving, convenient;
3, bolt radially runs through guide and latch, offer the chute that cooperates with bolt on the guide, chute is provided with draw-in groove, treat that turning latch after latch is extracted slips in the draw-in groove bolt, thereby state is extracted in locking, to avoid the friction between latch bottom and the main car frame, when waiting to need to insert in the main car frame lockhole, break away from draw-in groove again, by the elastic force of spring latch is slipped in the lockhole automatically and lock;
4, the utility model is simple in structure, and is easy to use, is easy to realize.
Description of drawings
Fig. 1 is a connecting device structure scheme drawing in the prior art;
Fig. 2 is the structural representation of lock-out state among the utility model embodiment one;
Fig. 3 is the structural representation of lockout mechanism unlocked state among the utility model embodiment one.
Wherein: 1, traveling vehicle frame; 2, main car frame; 3, key seat; 4, guide; 5, latch; 6, bolt; 7, pressing plate; 8, chute; 9, draw-in groove; 10, lockhole; 11, double-screw bolt; 12, the nut of pulling pin; 15, spring; 16, hexagonal socket nut.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: shown in accompanying drawing 1 to 3, a kind of lockout mechanism that is used on the flexible vehicle frame, comprise the key seat 3 that is installed on the traveling vehicle frame 1, be integrally formed with guide 4 with described key seat 3, be inserted in key seat 3 and the guide 4, the latch 5 that connects traveling vehicle frame 1 lockhole and main car frame 2 lockholes 10, and the dowel bolt 6 that radially runs through guide 4 and latch 5, be provided with a double-screw bolt 11 in the described guide 4, the top of described latch 5 is fixed in the bottom of this double-screw bolt 11, the top nut 12 of pulling pin that is spirally connected, described pull pin nut 12 and 4 of described guidees are provided with a pressing plate 7 that is fixed in the guide top, be positioned at described guide 4,5 of this pressing plate 7 and latches are provided with spring 15, described guide 4 both sides offer the chute 8 that cooperates with described bolt 6 respectively, symmetry offers draw-in groove 9 on the described chute 8 in both sides, and this draw-in groove 9 lockhole 10 distance of 10 of lockholes to the traveling vehicle frame 1 to the distance of chute bottom and the described main car frame 2 cooperates, and 4 of described pressing plate 7 and described guidees are captiveed joint through socket bolt 16.
During use, when needs are adjusted the vehicle frame state, operating personal rotates the nut 12 of pulling pin with spanner, latch 5 can obtain bigger axial force, can extract latch 5 easily, when latch 5 was extracted in the bolt 6 that runs through latch sticks into the draw-in groove of offering on the chute 89, latch 5 was extracted in the lockhole 10 of main car frame 2,1 of main car frame 2 and traveling vehicle frame are unrestricted, but slide relative is adjusted state; After adjusting end, the nut 12 of will pulling pin unclamps to highest distance position, and bolt 6 is skidded off from draw-in groove 9, this moment, latch 5 was against on the main car frame 2 under the effect of spring 15 elastic force, when arriving next lockhole 10, latch 5 inserts in the lockhole 10 under the effect of elastic force automatically, and two vehicle frames lock relatively.
Embodiment two: a kind of lockout mechanism that is used on the flexible vehicle frame, comprise the key seat that is installed on the traveling vehicle frame, be integrally formed with guide with described key seat, be inserted in key seat and the guide, the latch that connects traveling vehicle frame lockhole and main car frame lockhole, and the dowel bolt that radially runs through guide and latch, be provided with a double-screw bolt in the described guide, the top of described latch is fixed in the bottom of this double-screw bolt, the top nut of pulling pin that is spirally connected, described pulling pin is provided with a pressing plate that is fixed in the guide top between nut and described guide, be positioned at described guide, be provided with spring between this pressing plate and latch, described guide inboard is axially arranged with spacing slideway, described latch is provided with the projection that cooperates with this spacing slideway, limit double-screw bolt and only have the axial motion degree of freedom, can realize that latch outwards moves with double-screw bolt, captive joint through socket bolt between described pressing plate and described guide.
Claims (5)
1. lockout mechanism that is used on the flexible vehicle frame, comprise the key seat (3) that is installed on the traveling vehicle frame (1), be integrally formed with guide (4) with described key seat (3), be inserted in key seat (3) and the guide (4), the latch (5) that connects traveling vehicle frame (1) lockhole and main car frame (2) lockhole (10), and the dowel bolt (6) that radially runs through guide (4) and latch (5), it is characterized in that: be provided with a double-screw bolt (11) in the described guide (4), the top of described latch (5) is fixed in the bottom of this double-screw bolt (11), the top nut (12) of pulling pin that is spirally connected, be provided with a pressing plate (7) that is fixed in guide (4) top between described nut of pulling pin (12) and described guide (4), be positioned at described guide (4), be provided with spring (15) between this pressing plate (7) and latch (5), be provided with the axial limiting structure between described guide (4) and described latch (5).
2. the lockout mechanism that is used on the flexible vehicle frame according to claim 1, it is characterized in that: described guide (4) both sides offer the chute (8) that cooperates with described bolt (6) respectively, constitute described axial limiting structure.
3. the lockout mechanism that is used on the flexible vehicle frame according to claim 2, it is characterized in that: the described chutes in both sides (8) are gone up symmetry and are offered draw-in groove (9), and this draw-in groove (9) to the distance of chute (8) bottom and described main car frame (2) gone up the distance that lockhole (10) to traveling vehicle frame (1) goes up between lockhole (10) and cooperated.
4. the lockout mechanism that is used on the flexible vehicle frame according to claim 1, it is characterized in that: described guide (4) inboard is axially arranged with spacing slideway, and described latch (5) is provided with the projection that cooperates with this spacing slideway, and both constitute described axial limiting structure.
5. a kind of lockout mechanism that is used on the flexible vehicle frame according to claim 1 is characterized in that: captive joint through socket bolt (16) between described pressing plate (7) and described guide (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200470571U CN201446979U (en) | 2009-07-08 | 2009-07-08 | Locking mechanism used on telescoping vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200470571U CN201446979U (en) | 2009-07-08 | 2009-07-08 | Locking mechanism used on telescoping vehicle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201446979U true CN201446979U (en) | 2010-05-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200470571U Expired - Fee Related CN201446979U (en) | 2009-07-08 | 2009-07-08 | Locking mechanism used on telescoping vehicle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201446979U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610422A (en) * | 2012-03-27 | 2012-07-25 | 天津祥嘉流体控制系统有限公司 | Operation knob structure for electric actuator |
| CN103422816A (en) * | 2013-06-28 | 2013-12-04 | 三一重机有限公司 | Underpan positioning structure, underpan and rotary drilling rig |
| CN105371076A (en) * | 2014-08-11 | 2016-03-02 | 苹果公司 | Attachment system for an electronic device |
| US9894964B2 (en) | 2014-08-11 | 2018-02-20 | Apple Inc. | Consumer product attachment systems having a locking assembly |
| US10184506B2 (en) | 2014-08-11 | 2019-01-22 | Apple Inc. | Captive elements of an attachment system |
-
2009
- 2009-07-08 CN CN2009200470571U patent/CN201446979U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610422A (en) * | 2012-03-27 | 2012-07-25 | 天津祥嘉流体控制系统有限公司 | Operation knob structure for electric actuator |
| CN102610422B (en) * | 2012-03-27 | 2014-11-19 | 天津祥嘉流体控制系统有限公司 | Operation knob structure for electric actuator |
| CN103422816A (en) * | 2013-06-28 | 2013-12-04 | 三一重机有限公司 | Underpan positioning structure, underpan and rotary drilling rig |
| CN103422816B (en) * | 2013-06-28 | 2015-06-10 | 三一重机有限公司 | Underpan positioning structure, underpan and rotary drilling rig |
| US10184506B2 (en) | 2014-08-11 | 2019-01-22 | Apple Inc. | Captive elements of an attachment system |
| US9877549B2 (en) | 2014-08-11 | 2018-01-30 | Apple Inc. | Attachment system for an electronic device |
| US9894964B2 (en) | 2014-08-11 | 2018-02-20 | Apple Inc. | Consumer product attachment systems having a locking assembly |
| US10085523B2 (en) | 2014-08-11 | 2018-10-02 | Apple Inc. | Attachment system for an electronic device |
| CN105371076A (en) * | 2014-08-11 | 2016-03-02 | 苹果公司 | Attachment system for an electronic device |
| US10182623B2 (en) | 2014-08-11 | 2019-01-22 | Apple Inc. | Consumer product attachment systems having locking or expansion characteristics |
| US10264857B2 (en) | 2014-08-11 | 2019-04-23 | Apple Inc. | Attachment system for an electronic device |
| US10575602B2 (en) | 2014-08-11 | 2020-03-03 | Apple Inc. | Consumer product attachment systems having a locking assembly |
| US10945496B2 (en) | 2014-08-11 | 2021-03-16 | Apple Inc. | Consumer product attachment systems having locking or expansion characteristics |
| US11026484B2 (en) | 2014-08-11 | 2021-06-08 | Apple Inc. | Attachment system for an electronic device |
| US11717060B2 (en) | 2014-08-11 | 2023-08-08 | Apple Inc. | Attachment system for an electronic device |
| US11723443B2 (en) | 2014-08-11 | 2023-08-15 | Apple Inc. | Consumer product attachment systems having locking or expansion characteristics |
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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 |
Granted publication date: 20100505 Termination date: 20140708 |
|
| EXPY | Termination of patent right or utility model |