CN211740624U - Locking mechanism of engine quick-mounting trolley - Google Patents
Locking mechanism of engine quick-mounting trolley Download PDFInfo
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- CN211740624U CN211740624U CN202020648890.8U CN202020648890U CN211740624U CN 211740624 U CN211740624 U CN 211740624U CN 202020648890 U CN202020648890 U CN 202020648890U CN 211740624 U CN211740624 U CN 211740624U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 230000000670 limiting effect Effects 0.000 claims description 13
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a locking mechanism of a quick-mounting trolley of an engine, which comprises a base, a rotating bracket, a steering knuckle, a locking arm and a pressing head; the rotary bracket is erected at the outer sides of the two side plates of the base and is rotatably connected with the two side plates; the first end of the steering knuckle is hinged to the inner side of the rotating support, and the second end of the steering knuckle is hinged to the first end of the locking arm; the compression head is vertically connected to the second end of the locking arm; when the rotating bracket is rotated to drive the steering knuckle and the locking arm to rotate, the pressing head moves up and down; when the pressing head moves downwards to press the engine quick-mounting trolley, the steering knuckle and the rotating support extend in the same direction and are locked. The utility model provides an engine fast-assembling dolly locking mechanism adopts mechanical type locking, simple structure, and occupation of land space is little, has reduced locking mechanism's cost.
Description
Technical Field
The utility model relates to an engineering automobile assembly detects technical field, in particular to engine fast-assembling dolly locking mechanism.
Background
After the engine fast-assembly trolley is fixed with an iron base plate in the test bed device, the fast-assembly trolley is firmly locked by a fast-assembly trolley locking mechanism arranged on the iron base plate of the test bed, and then the fast-assembly trolley is connected with a dynamometer for testing.
The quick-assembly trolley is a quick-assembly device for quickly assembling and disassembling the engine from the stand, the engine is installed on the quick-assembly trolley in a preassembly area, and the engine is quickly assembled and disassembled from the stand by utilizing a centering device.
A locking mechanism: and locking and fixing the fast-assembling trolley and the test bed device.
At present, a plurality of devices are used for locking a quick-assembly trolley of an engine, some devices are locked by hydraulic pressure and related electric control cooperation, and some devices are locked by mechanical structure cooperation. According to the different test bed devices, the selected fast-assembling trolley locking device is also different. At present, a commonly used locking device pulls and clamps the quick-mounting trolley for locking in a hydraulic mode, but the device has high requirements on fields, large occupied area and high investment cost. And part of mechanical locking devices are complex in structure and inconvenient to operate.
Therefore, how to solve the defects of high cost, large occupied space and inconvenient locking of the locking device of the engine quick-assembly trolley becomes a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an engine fast-assembling dolly locking mechanism, this locking mechanism adopt mechanical type locking, simple structure, and occupation of land space is little, has reduced locking mechanism's cost.
In order to achieve the purpose, the utility model provides an engine fast-assembling trolley locking mechanism, which comprises a base, a rotating bracket, a steering knuckle, a locking arm and a pressing head;
the rotary bracket is erected at the outer sides of the two side plates of the base and is rotatably connected with the two side plates;
the first end of the steering knuckle is hinged to the inner side of the rotating support, and the second end of the steering knuckle is hinged to the first end of the locking arm;
the compression head is vertically connected to the second end of the locking arm;
when the rotating bracket is rotated to drive the steering knuckle and the locking arm to rotate, the pressing head moves up and down; when the pressing head moves downwards to press the engine quick-mounting trolley, the steering knuckle and the rotating support extend in the same direction and are locked.
Optionally, the two side plates are arranged in parallel and welded to the bottom plate of the base.
Optionally, the top of each of the two side plates is provided with a groove, and the second end of the steering knuckle is provided with a convex part matched with the groove;
when the steering knuckle and the rotating bracket extend in the same direction and are locked, the convex part is attached to the groove.
Optionally, the groove is a circular arc groove.
Optionally, a limit pin is arranged between the two side plates, and when the pressing head is attached to and presses the engine quick-assembly trolley, the locking arm is stopped by the limit pin.
Optionally, the middle parts of the steering knuckle and the rotating bracket are provided with mutually matched positioning pin holes, and when the steering knuckle and the rotating bracket extend in the same direction, the positioning pin holes arranged on the steering knuckle and the positioning pin holes arranged on the rotating bracket coincide.
Optionally, the compression head is detachably connected to the locking arm.
Optionally, one end of the rotating bracket, which is far away from the base, is fixedly connected with a rotating handle.
Optionally, the base further comprises a bearing bottom plate for fixing the base, and the bearing bottom plate and the bottom plate are fixedly connected through bolts.
Optionally, a guide rail for limiting a guide wheel at the bottom of the engine quick-assembly trolley is arranged in the middle of the bearing bottom plate; the guide rail comprises a V-shaped opening section and a parallel guide section connected with the V-shaped opening section.
Compared with the prior art, the locking mechanism of the engine quick-assembly trolley provided by the utility model is a mechanical locking mechanism, the rotating bracket is erected outside the two side plates of the base, and the steering knuckle is hinged inside the rotating bracket; when the rotating bracket is rotated, the steering knuckle is driven to rotate; the second end of the steering knuckle is hinged with the first end of the locking arm, so that the first end of the locking arm is driven to rotate, the second end of the locking arm rotates around the first end, and the pressing head which is vertically fixed at the second end of the locking arm is driven to move up and down.
When the pressing head moves downwards to press the engine quick-mounting trolley, the steering knuckle and the rotating support extend in the same direction. At the moment, the engine quick-assembly trolley provides upward reaction force for the pressing head, the first end of the locking arm, namely the second end of the steering knuckle, receives downward traction force, the first end of the steering knuckle and the rotating support extend in the same direction, the first end of the steering knuckle cannot drive the steering knuckle to rotate around the first end of the steering knuckle, meanwhile, the steering knuckle is limited by the side plate, the steering knuckle and the rotating support are locked relatively, and the pressing of the pressing head on the engine quick-assembly trolley is guaranteed. Compared with the existing hydraulic locking device, the locking mechanism of the engine quick-assembly trolley has the advantages of simple structure, small occupied space and remarkably reduced equipment cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a locking mechanism of a quick-mounting trolley for an engine according to an embodiment of the present invention;
FIG. 2 is a schematic view of the locking mechanism of the engine quick-assembly trolley in FIG. 1 in a downward pressing and locking state;
fig. 3 is a schematic diagram of the locking mechanism of the engine quick-assembly cart according to another embodiment of the present invention.
Wherein:
the device comprises a base 1, a bottom plate 11, a side plate 12, a groove 121, a rotary support 2, a rotary handle 21, a steering knuckle 3, a locking arm 4, a pressing head 5, a limiting pin 6, a positioning pin hole 7, a bearing bottom plate 8 and a guide rail 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 3, fig. 1 is a schematic diagram of a locking mechanism of an engine quick-assembly trolley according to an embodiment of the present invention, fig. 2 is a schematic diagram of a press-down locking state of the locking mechanism of the engine quick-assembly trolley according to fig. 1, and fig. 3 is a schematic diagram of a working principle of the locking mechanism of the engine quick-assembly trolley according to another embodiment of the present invention.
The utility model provides an engine fast-assembling dolly locking mechanism includes base 1, articulate in the runing rest 2 of base 1 curb plate 12, connect the locking arm 4 of runing rest 2 through knuckle 3, 5 perpendicular rigid coupling in locking arm 4's one end of collet, drive knuckle 3 and locking arm 4 through rotating runing rest 2 and rotate, locking arm 4 sets up that the one end of collet 5 can the up-and-down motion, when collet 5 moves down and compresses tightly engine fast-assembling dolly, knuckle 3 is located runing rest 2's inboard and 2 syntropy extensions with the runing rest, knuckle 3 and runing rest 2 reach a dead point position, the spacing knuckle 3 locking with the curb plate 12 of 2 rigid couplings of cooperation runing rest, locking arm 4 is not taking place to rotate, collet 5 also can't remove, thereby accomplish compressing tightly fixedly to engine fast-assembling dolly.
The present invention provides an engine quick-mounting cart, which is described in more detail below with reference to the accompanying drawings and specific embodiments.
In a specific embodiment provided by the utility model, the structure of the locking mechanism of the engine quick-assembly trolley is shown in fig. 1, the base 1 comprises a bottom plate 11 and a pair of side plates 12 which are vertically welded and fixed on the bottom plate 11, the bottom plate 11 is provided with fixing holes, so that the bottom plate 11 can be fixed by passing through the fixing holes through fasteners such as bolts; the pair of side plates 12 mainly functions to support the rotating bracket 2, the knuckle 3, and the lock arm 4. The pair of side plates 12 are generally disposed in parallel with each other, and the rotating bracket 2 is disposed outside the pair of side plates 12 and rotatably connected to the side plates 12 by a rotating shaft penetrating the pair of side plates 12. In order to facilitate the rotation of the rotating bracket 2, a rotating handle 21 is further fixed to an end of the rotating bracket 2 away from the side plate 12, and the rotating handle 21 and the rotating bracket 2 are generally integrally formed and integrally formed into a fork shape.
The knuckle 3 serves as a connecting mechanism for connecting the rotating bracket 2 and the lock arm 4. The knuckle 3 is arranged on the inner side of the rotating bracket 2, the first end of the knuckle is hinged to the rotating bracket 2, the second end of the knuckle is hinged to the first end of the locking arm 4, and when the rotating handle 21 and the rotating bracket 2 are rotated, the knuckle 3 is driven to rotate to transmit torque to the locking arm 4.
Referring to fig. 2, after the steering knuckle 3 is driven to rotate by a certain angle by rotating the rotating handle 21 and the rotating bracket 2, the steering knuckle 3 is completely located inside the rotating bracket 2, the extending directions of the rotating bracket 2 and the steering knuckle 3 are the same, the second end of the steering knuckle 3 is approximately perpendicular to the locking arm 4, and the locking arm 4 drives the pressing head 5 to move down to just press the engine quick-mounting trolley. At the moment, the engine quick-assembly trolley provides upward reaction force for the compression head 5, the second end of the locking arm 4 is subjected to upward torque, the first end of the locking arm 4 is subjected to downward torque and generates downward tension on the steering knuckle 3, and the direction of the tension is the same as that of the steering knuckle 3, namely the same as that of the rotating bracket 2; because the rotating support 2 and the steering knuckle 3 are in a state of extending in the same direction, the steering knuckle 3 is equivalently located at a dead point position and cannot drive the rotating support 2 to rotate, so that the locking of the locking arm 4 and the pressing head 5 is realized, and the pressing state of the engine quick-assembly trolley is kept.
For engine quick-mounting trolleys of different specifications, the side plates 12, namely the base 1 and the pressing head 5, of different heights can be flexibly arranged, and when the steering knuckle 3 is locked relative to the rotating support 2, the pressing head 5 just presses the engine quick-mounting trolleys.
When the pressing locking of the engine quick-mounting trolley needs to be released, only a lateral thrust needs to be manually provided for the steering knuckle 3, so that the steering knuckle 3 and the rotating bracket 2 relatively rotate to cross a dead point position, and then the rotating handle 21 and the rotating bracket 2 are reversely rotated.
As an optimal implementation mode of the utility model, recess 121 has all been seted up at the top of both sides board 12, and the second end of knuckle 3 is equipped with recess 121 complex convex part, when knuckle 3 is rotatory when extending as for runing rest 2 syntropy, the convex part of knuckle 3 along the lateral wall cunning of recess 121 to the tank bottom of recess 121 to laminate with the tank bottom of recess 121, play certain spacing supporting role to knuckle 3, avoid knuckle 3 to continue to rotate.
Particularly, the groove 121 is formed as an arc groove, so that the knuckle 3 can slide to the bottom of the groove by adhering to the inner wall of the groove 121. The circular arcs are equally opened at the same position of the pair of side plates 12.
As a preferred embodiment of the present invention, a limiting pin 6 is further disposed between the two side plates 12, and the limiting pin 6 is disposed on one side of the two side plates 12 close to the compressing head 5 and located below the locking arm 4. On one hand, the limiting pin 6 can limit the locking arm 4, so that the locking arm 4 is prevented from naturally drooping; on the other hand, when the pressing head 5 is attached to and presses the engine quick-mounting trolley, the locking arm 4 is stopped by the limiting pin 6, and the limiting pin 6 plays a certain limiting and supporting role on the locking arm 4.
As a preferred embodiment provided by the present invention, the pressing head 5 and the locking arm 4 adopt a detachable connection form. For example, a screw hole is formed in the second end of the locking arm 4, a stud matched with the screw hole of the locking arm 4 is fixedly connected to the pressing head 5, the pressing head 5 with different lengths can be replaced conveniently through the detachable connection of the pressing head and the stud, and the pressing of the engine quick-assembly trolley with different specifications is achieved.
In order to further optimize the embodiment of the above formula, the utility model discloses still all set up the location pinhole 7 that runs through and mutually support at the lateral wall in the middle part of runing rest 2 and knuckle 3 very much. When the steering knuckle 3 and the rotating bracket 2 extend in the same direction and are located at the relative dead locking position, the positioning pin hole 7 formed in the steering knuckle 3 and the positioning pin hole 7 formed in the rotating bracket 2 are overlapped, so that the steering knuckle 3 is fixed relative to the rotating bracket 2 through the positioning pin, and the phenomenon that the lateral thrust is applied to the steering knuckle 3 by the manual error collision of the steering knuckle 3 to cause the loosening of the pressing head 5 is avoided.
Furthermore, a strip-shaped hole extending along the length direction of the locking arm 4 can be formed in the middle of the locking arm, positioning shafts are arranged on the supports of the two side plates 12 and penetrate through the strip-shaped hole, the two ends of each positioning shaft are fixedly connected with the side plates 12 on the two sides respectively, and the width of each strip-shaped hole is larger than the diameter of each positioning shaft, so that moving allowance is provided for rotation of the locking arm 4. The locking arm 4 can be better limited by the strip-shaped holes and the positioning shaft.
Please further refer to fig. 3, in another embodiment provided by the present invention, the engine quick-mount trolley locking mechanism further includes a bearing bottom plate 8 for bearing the engine quick-mount trolley, the bottom plate 11 of the base 1 is fixed around the bearing bottom plate 8 by bolts, and when the engine quick-mount trolley travels to a proper position of the bearing bottom plate 8, the engine quick-mount trolley is pressed and fixed to the quick-mount trolley by the pressing head 5 disposed around the bearing bottom plate 8.
Particularly, the middle part of the bearing bottom plate 8 is also provided with a guide rail 9 used for being matched with a guide wheel at the bottom of the engine quick-mounting trolley, the guide rail 9 is used for guiding the engine quick-mounting trolley on one hand, and plays a role in limiting on the other hand, and the engine quick-mounting trolley is guaranteed to be pressed and fixed by the plurality of pressing heads 5 arranged on the periphery after moving to a proper position of the bearing bottom plate 8 along the guide rail 9 through the guide wheel.
For facilitating the guide pulley to get into guide rail 9, guide rail 9 includes V type opening section and the parallel guide section of connecting V type opening section, and V type opening section is through the parallel guide section butt joint of convergent setting and parallel arrangement, and the guide pulley gets into guide rail 9 to the convergent direction of opening from V type opening section to the inboard of parallel guide section is moved gradually. The parallel guide section substantially comprises two sections of limiting mechanisms which are arranged in parallel, and the guide wheel can only move in inner side channels of the two sections of limiting mechanisms, so that the guide and limiting effects on the engine quick-mounting trolley are realized.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
It is right above the utility model provides an engine fast-assembling dolly locking mechanism has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A locking mechanism of a quick-mounting trolley of an engine is characterized by comprising a base (1), a rotary support (2), a steering knuckle (3), a locking arm (4) and a pressing head (5);
the rotating support (2) is erected outside the two side plates (12) of the base (1) and is rotatably connected with the two side plates (12);
the first end of the steering knuckle (3) is hinged to the inner side of the rotating support (2), and the second end of the steering knuckle (3) is hinged to the first end of the locking arm (4);
the pressing head (5) is vertically connected to the second end of the locking arm (4);
when the rotating support (2) is rotated to drive the steering knuckle (3) and the locking arm (4) to rotate, the pressing head (5) moves up and down; when the pressing head (5) moves downwards to press the engine quick-mounting trolley, the steering knuckle (3) and the rotating support (2) extend in the same direction and are locked.
2. The engine quick-assembly trolley locking mechanism as claimed in claim 1, characterized in that two side plates (12) are arranged in parallel and welded with the bottom plate (11) of the base (1).
3. The engine quick-assembly trolley locking mechanism as claimed in claim 1, characterized in that a groove (121) is formed in the top of each of the two side plates (12), and a protrusion matched with the groove (121) is arranged at the second end of the steering knuckle (3);
when the steering knuckle (3) and the rotating bracket (2) extend in the same direction and are locked, the convex part is attached to the groove (121).
4. The engine quick-assembly trolley locking mechanism as claimed in claim 3, characterized in that the groove (121) is a circular arc groove.
5. The engine quick-assembly trolley locking mechanism as claimed in claim 3, wherein a limit pin (6) is arranged between the two side plates (12), and when the pressing head (5) is attached to and presses the engine quick-assembly trolley, the locking arm (4) is stopped at the limit pin (6).
6. The engine quick-assembly trolley locking mechanism as claimed in any one of claims 2 to 5, characterized in that a locating pin hole (7) matched with each other is formed in the middle of the knuckle (3) and the rotating bracket (2), and when the knuckle (3) and the rotating bracket (2) extend in the same direction, the locating pin hole (7) formed in the knuckle (3) and the locating pin hole (7) formed in the rotating bracket (2) are overlapped.
7. The engine quick-assembly trolley locking mechanism as claimed in any one of claims 1 to 5, characterized in that the pressing head (5) is detachably connected with the locking arm (4).
8. The engine quick-assembly trolley locking mechanism as claimed in claim 6, characterized in that a rotating handle (21) is fixedly connected to one end of the rotating bracket (2) far away from the base (1).
9. The engine quick-assembly trolley locking mechanism as claimed in claim 6, further comprising a bearing bottom plate (8) for fixing the base (1), wherein the bearing bottom plate (8) and the bottom plate (11) are fixedly connected through bolts.
10. The locking mechanism of the engine quick-assembly trolley as claimed in claim 9, wherein a guide rail (9) for limiting a guide wheel at the bottom of the engine quick-assembly trolley is arranged in the middle of the bearing base plate (8); the guide rail (9) comprises a V-shaped opening section and a parallel guide section connected with the V-shaped opening section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020648890.8U CN211740624U (en) | 2020-04-26 | 2020-04-26 | Locking mechanism of engine quick-mounting trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020648890.8U CN211740624U (en) | 2020-04-26 | 2020-04-26 | Locking mechanism of engine quick-mounting trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211740624U true CN211740624U (en) | 2020-10-23 |
Family
ID=72852289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020648890.8U Active CN211740624U (en) | 2020-04-26 | 2020-04-26 | Locking mechanism of engine quick-mounting trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211740624U (en) |
-
2020
- 2020-04-26 CN CN202020648890.8U patent/CN211740624U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231114 Address after: 243071 No. 359 Huxinan Road, Economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee after: Anhui Hanma Engine Co.,Ltd. Address before: 243061 No. 359, Huxi South Road, Ma'anshan economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee before: ANHUI HUALING AUTOMOBILE Co.,Ltd. |
|
| TR01 | Transfer of patent right |