CN217142856U - Forearm is to using compound frock to group - Google Patents
Forearm is to using compound frock to group Download PDFInfo
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- CN217142856U CN217142856U CN202123397320.XU CN202123397320U CN217142856U CN 217142856 U CN217142856 U CN 217142856U CN 202123397320 U CN202123397320 U CN 202123397320U CN 217142856 U CN217142856 U CN 217142856U
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Abstract
The utility model discloses a compound tool for assembling a forearm, which relates to the technical field of the forearm of an excavator and comprises a supporting seat, a base plate, a small-end hub positioning mechanism, a middle hub positioning mechanism, an eccentric hub positioning mechanism, an upper fishtail positioning mechanism and a rear fishtail positioning mechanism; the utility model is used for the assembly process of the short arm of the excavator, the connecting method has simple structure and convenient use, and the device is used for clamping the assembly of the single part of the small arm, thereby effectively ensuring the dimensional position relation among the parts of the small arm and further improving the assembly dimensional quality and the assembly efficiency of the small arm; through the positioning device, the assembly can be guaranteed to have dimensional accuracy, the fixation of the small-arm hubs with different apertures is met, and the occupation of a workshop site is effectively saved.
Description
Technical Field
The utility model relates to an excavator forearm technical field specifically is a forearm group is to using compound frock.
Background
In the structure of the excavator, a movable arm is connected with an upper vehicle and a small arm, and the span is large, so that in the working process, the whole small arm bears tensile force and shearing force, the possibility of being torn is high, the requirement on the size of a fixed group is high, and the defects of plates and the group on the size are not allowed to exist. And among the prior art, because the product span is big, the model is multiple, just need carry out the group according to different model types to be right with the welding, because the forearm combination is after multichannel continuous welding, receives welding stress's influence, causes loader movable arm to appear two main deformations after welding: on one hand, the movable arm plate is distorted and deformed to a certain degree, and on the other hand, the two ends of the movable arm plate are warped and deformed and contract inwards, so that the subsequent processing and assembly of the movable arm and the use of products are directly influenced. And the traditional welding mode has low welding precision and low production efficiency, and the quality of a formed product cannot be ensured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a forearm group is to using compound frock to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a forearm group is to using compound frock which characterized in that: including the vertical setting that left and right ends symmetry set up subaerial supporting seat, the top of the supporting seat of left end is provided with the axostylus axostyle and stretches to the driving motor of right-hand member, the vertical bearing that is provided with in top of the supporting seat of right-hand member, the inner ring of bearing is installed through interference fit and is stretched to left rotatory axostylus axostyle, driving motor's axostylus axostyle with rotatory axostylus axostyle is coaxial and be connected with the base flat board respectively through the bolt jointly, tip wheel hub positioning mechanism, middle wheel hub positioning mechanism, eccentric wheel hub positioning mechanism, last fish tail positioning mechanism, back fish tail positioning mechanism have set gradually from a left side to the right side on the dull and stereotyped top surface of base.
Furthermore, tip wheel hub positioning mechanism is close to dull and stereotyped leftmost end of base and setting between two parties including the embedding is fixed to be set up first location seat on the base flat board, there is first locating shaft on the top of first location seat through threaded connection, there is first locating plate on the top of first locating shaft through bolted connection.
Furthermore, middle wheel hub positioning mechanism sets up tip wheel hub positioning mechanism right side, and set up placed in the middle on the dull and stereotyped top surface of base, including the fixed second positioning seat that sets up on the dull and stereotyped base of embedding, the top of second positioning seat has the second location axle through threaded connection, the top of second location axle has the second locating plate through bolted connection.
Furthermore, the eccentric hub positioning mechanism is arranged on the right side of the middle hub positioning mechanism and is arranged close to the front side edge, the eccentric positioning mechanism is fixedly arranged on the base plate in an embedded mode, an eccentric positioning shaft is connected above the eccentric positioning shaft through threads, and the top end of the eccentric positioning shaft is connected with an eccentric positioning plate through a bolt.
Further, go up the fish tail positioning mechanism and set up eccentric wheel hub positioning mechanism's right side and the dull and stereotyped back side edge of base extends the setting to the rear side along the department, including last fish tail positioning seat, the top of going up the fish tail positioning seat is provided with fish tail distance plate, it has last fish tail location axle to go up to penetrate in the fish tail distance plate to use threaded connection go up the fish tail positioning seat, go up the epaxial still cover of fish tail location and be equipped with the fish tail spacer, the top of going up fish tail location axle is provided with the fish tail locating plate through bolt fastening.
Furthermore, the rear fishtail positioning mechanism is close to the rightmost end of the base flat plate and is arranged in the middle and comprises a rear fishtail positioning seat, a rear fishtail distance plate is arranged on the rear fishtail positioning seat, a rear fishtail positioning shaft penetrates into the rear fishtail distance plate and is in threaded connection with the rear fishtail positioning seat, and a rear fishtail spacer sleeve is sleeved on the rear fishtail positioning shaft; the top end of the rear fishtail positioning shaft is connected with a rear fishtail positioning plate through a bolt.
Preferably, the first positioning shaft, the second positioning shaft, the eccentric positioning shaft, the upper fishtail positioning shaft and the rear fishtail positioning shaft are all provided with conical surfaces on the outer side surfaces of the lower half parts.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has simple structure and convenient use, and effectively ensures the dimensional position relation among the parts of the small arm by clamping the single part of the small arm by using the device, thereby improving the group of the small arm to the dimensional quality and the welding efficiency;
2. through the positioning device, the assembly can be guaranteed to have dimensional accuracy, the fixation of the small-arm hubs with different apertures is met, and the occupation of a workshop site is effectively saved.
Drawings
FIG. 1 is a front view;
FIG. 2 is a top view of the base plate;
FIG. 3 is a schematic view of a small end hub positioning mechanism;
FIG. 4 is a schematic view of the intermediate hub positioning mechanism;
FIG. 5 is a schematic view of an eccentric hub positioning mechanism;
FIG. 6 is a schematic view of the fishtail positioning mechanism;
FIG. 7 is a schematic view of a rear fish tail positioning mechanism;
in the figure: a supporting seat-1, a driving motor-11, a bearing-12, a rotating shaft-13, a base plate-2, a small end hub positioning mechanism-3, a first positioning plate-31, a first positioning shaft-32, a first positioning seat-33, an intermediate hub positioning mechanism-4, a second positioning plate-41, a second positioning shaft-42, a second positioning seat-43, an eccentric hub positioning mechanism-5, an eccentric positioning plate-51, an eccentric positioning shaft-52, an eccentric positioning seat-53, an upper fishtail positioning mechanism-6, an upper fishtail positioning plate-61, an upper fishtail spacer-62, an upper fishtail positioning shaft-63, an upper fishtail spacer-64, an upper fishtail positioning seat-65, a rear fishtail positioning mechanism-7, a rear fishtail positioning plate-71, a back fishtail spacer bush-72, a back fishtail positioning shaft-73, a back fishtail distance plate-74 and a back fishtail positioning seat-75.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings and the specific embodiments.
Referring to fig. 1-7, fig. 1 is a front view; FIG. 2 is a top view of the base plate; FIG. 3 is a schematic view of a small end hub positioning mechanism; FIG. 4 is a schematic view of the intermediate hub positioning mechanism; FIG. 5 is a schematic view of an eccentric hub positioning mechanism; FIG. 6 is a schematic view of the fishtail positioning mechanism; fig. 7 is a schematic view of the rear fish tail positioning mechanism.
The utility model provides a forearm group is to using compound frock for whole group is to using in the excavator forearm production process, including controlling the vertical setting that both ends symmetry set up subaerial supporting seat 1, the top of the supporting seat 1 of left end is provided with driving motor 11, driving motor 11's axostylus axostyle stretches to the right-hand member, the vertical bearing 12 that is provided with in top of the supporting seat 1 of right-hand member, the inner ring of bearing 12 installs through interference fit and stretches to left rotatory axostylus axostyle 13, driving motor 11's axostylus axostyle with rotatory axostylus axostyle 13 is coaxial and be connected with base flat plate 2 through the bolt jointly respectively, tip wheel hub positioning mechanism 3, middle wheel hub positioning mechanism 4, eccentric wheel hub positioning mechanism 5, go up fish tail positioning mechanism 6, back fish tail positioning mechanism 7 have set gradually from a left side to the right side on the top surface of base flat plate 2.
The small-end hub positioning mechanism 3 is used for positioning and fixing a small-end steel casting, is close to the leftmost end of the base plate 2, is arranged in the middle, and comprises a first positioning seat 33, the first positioning seat 33 is embedded and fixedly arranged on the base plate 2, the top end of the first positioning seat 33 is connected with a first positioning shaft 32 through threads, a conical surface is arranged on the outer side surface of the lower half part of the first positioning shaft 32 and used for positioning and aligning, and the top end of the first positioning shaft 32 is further connected with a first positioning plate 31 through bolts; when the positioning device is used, a steel casting with a short arm small end is placed on the first positioning seat 33, then the first positioning shaft 32 is inserted into the steel casting hole and is in threaded connection with the first positioning seat 33, the first positioning shaft 32 is automatically aligned through the conical surface, the first positioning plate 31 is placed on the steel casting after alignment is completed, the first positioning plate 31 is connected onto the first positioning shaft 32 through bolts, the bolts are screwed after the position is adjusted, the first positioning plate 31 is compressed, and accordingly fixing of the small end steel casting is completed.
The middle hub positioning mechanism 4 is arranged on the right side of the small-end hub positioning mechanism 3, is arranged in the middle on the top surface of the base flat plate 2, is used for positioning and fixing a middle steel casting, and comprises a second positioning seat 43 which is fixedly embedded in the base flat plate 2, the top end of the second positioning seat 43 is connected with a second positioning shaft 42 through threads, the outer side surface of the lower half part of the second positioning shaft 42 is provided with a conical surface for positioning and aligning, and the top end of the second positioning shaft 42 is further connected with a second positioning plate 41 through bolts; when the middle steel casting positioning device is used, the middle steel casting is placed on the second positioning seat 43, then the second positioning shaft 42 is inserted into the steel casting hole and is in threaded connection with the second positioning seat 43, in the connection process, the second positioning shaft 42 is automatically aligned by means of conical surface tightening, after the alignment is completed, the second positioning plate 41 is placed on the steel casting, then the second positioning shaft 42 is connected through bolts, and the positioning plate is tightly pressed by screwing bolts after the position is adjusted, so that the middle steel casting is fixed.
The eccentric hub positioning mechanism 5 is arranged on the right side of the middle hub positioning mechanism 4, is close to the front side edge, is used for positioning and fixing an eccentric steel casting, and comprises an eccentric positioning seat 53 which is fixedly embedded in the base plate 2, an eccentric positioning shaft 52 is connected above the eccentric positioning seat 53 through threads, a conical surface is arranged on the outer side surface of the lower half part of the eccentric positioning shaft 52 and is used for positioning and centering, and the top end of the eccentric positioning shaft 52 is connected with an eccentric positioning plate 51 through a bolt; when the eccentric positioning device is used, an eccentric steel casting is placed on the eccentric positioning seat 53, then the eccentric positioning shaft 52 is inserted into a steel casting hole and is in threaded connection with the eccentric positioning seat 53, the eccentric positioning shaft 52 is automatically aligned through conical surface tightening in the connection process, the eccentric positioning plate 51 is placed on the steel casting after alignment is completed, a bolt penetrates through the eccentric positioning plate 51 to be connected with the eccentric positioning shaft 52, and the eccentric positioning plate 51 is tightly pressed by screwing the bolt after the position is adjusted, so that the positioning and fixing of the eccentric steel casting are completed; and then taking the steel casting fixed in position as a reference, enabling the upper cover plate and the lower cover plate to be close to the side plates, and welding in a positioning manner.
The upper fishtail positioning mechanism 6 is arranged on the right side of the eccentric hub positioning mechanism 5, extends towards the rear side at the rear side edge of the base flat plate 2, and is used for positioning and fixing an upper fishtail plate, and comprises an upper fishtail positioning seat 65, an upper fishtail distance plate 64 is arranged above the upper fishtail positioning seat 65, an upper fishtail positioning shaft 63 penetrates through the upper fishtail distance plate 64 and is connected with the upper fishtail positioning seat 65 through threads, a conical surface is arranged on the outer side surface of the lower half part of the upper fishtail positioning shaft 63 and is used for positioning and aligning, an upper fishtail spacer 62 is further sleeved on the upper fishtail positioning shaft 63, and an upper fishtail positioning plate 61 is fixedly arranged at the top end of the upper fishtail positioning shaft 63 through bolts; when the fishplate fixing device is used, an upper fishplate is placed on the upper fishtail distance plate 64, then the upper fishtail positioning shaft 63 is inserted into the fishplate hole, the size of the fishtail inner gear is ensured by using the upper fishtail spacer bush 62, the upper fishtail positioning shaft 63 is in threaded connection with the upper fishtail positioning seat 65, the upper fishtail positioning shaft 63 is automatically aligned, the upper fishtail positioning plate 61 is placed on the fishplate after alignment is completed, the upper fishtail positioning shaft 63 is connected by using bolts, and the upper fishtail positioning plate 61 is tightly pressed by screwing bolts after the position is adjusted, so that the upper fishtail is fixedly positioned.
The rear fishtail positioning mechanism 7 is close to the rightmost end of the base flat plate 2 and is arranged in the middle, and is used for positioning and fixing a rear fishtail plate, and comprises a rear fishtail positioning seat 75, a rear fishtail distance plate 74 is arranged on the rear fishtail positioning seat 75, a rear fishtail positioning shaft 73 penetrates into the rear fishtail distance plate 74 and is in threaded connection with the rear fishtail positioning seat 75, a conical surface is arranged on the outer side surface of the lower half part of the rear fishtail positioning shaft 73 and is used for positioning and aligning, and a rear fishtail spacer 72 is sleeved on the rear fishtail positioning shaft 73; the top end of the rear fishtail positioning shaft 73 is connected with a rear fishtail positioning plate 71 through a bolt; when the rear fishtail positioning device is used, a rear fishtail plate is placed on a rear fishtail distance plate 74, a rear fishtail positioning shaft 73 is inserted into a fishtail plate hole after the rear fishtail distance plate is used, the size of the fishtail inner gear is ensured by a rear fishtail spacer 72, then the rear fishtail positioning shaft 73 is in threaded connection with a rear fishtail positioning seat 75, the rear fishtail positioning shaft 73 is automatically aligned, the rear fishtail positioning plate 71 is placed on the fishtail plate after the alignment is finished, the rear fishtail positioning plate 71 penetrates through the rear fishtail positioning plate 71 by means of bolt connection and is connected with the rear fishtail positioning shaft 73, the position is adjusted, a rear fishtail positioning plate 71 is tightly pressed by a screw bolt, after the pressing is finished, positioning welding can be carried out on all parts of a short arm, a clamping fixture is rotated after one side welding is finished, and positioning welding is carried out on an upper fishtail plate, a rear fishtail plate and other workpieces.
The utility model has simple structure and convenient use, and effectively ensures the dimensional position relation among the parts of the small arm by clamping the single part of the small arm by using the device, thereby improving the group of the small arm to the dimensional quality and the welding efficiency; through the positioning device, the assembly can be guaranteed to have dimensional accuracy, the fixation of the small-arm hubs with different apertures is met, and the occupation of a workshop site is effectively saved.
While embodiments of the invention have been illustrated and described, it is to be understood that the embodiments described are only some embodiments of the invention and not all embodiments. Based on the embodiments of the present invention, it can be understood to those skilled in the art that all other embodiments obtained by making various changes, modifications, substitutions and variations to the embodiments without any creative work without departing from the principles and spirit of the present invention belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a forearm group is to using compound frock which characterized in that: the supporting seat comprises a supporting seat (1) which is arranged on the ground in a symmetrical mode at the left end and the right end, a shaft rod is arranged at the top end of the supporting seat (1) at the left end and extends to a driving motor (11) at the right end, a bearing (12) is vertically arranged at the top end of the supporting seat (1) at the right end, an inner ring of the bearing (12) is installed through interference fit and extends to a left rotating shaft rod (13), the shaft rod of the driving motor (11) and the rotating shaft rod (13) are coaxial and are respectively and jointly connected with a base plate (2) through bolts, and a small-end hub positioning mechanism (3), a middle hub positioning mechanism (4), an eccentric hub positioning mechanism (5), an upper fishtail positioning mechanism (6) and a rear fishtail positioning mechanism (7) are sequentially arranged on the top surface of the base plate (2) from left to right.
2. The forearm assembly of claim 1 is to using compound frock, its characterized in that: tip wheel hub positioning mechanism (3) are close to the leftmost end and the setting placed in the middle of base flat board (2) are fixed to be set up including the embedding first location seat (33) on base flat board (2), there is first locating shaft (32) on the top of first location seat (33) through threaded connection, there is first locating plate (31) on the top of first locating shaft (32) through bolted connection.
3. The forearm set is to using compound frock of claim 2, characterized in that: middle wheel hub positioning mechanism (4) set up tip wheel hub positioning mechanism (3) right side, and set up placed in the middle on the top surface of base flat board (2), including embedding fixed second positioning seat (43) of setting on base flat board (2), there is second location axle (42) on the top of second positioning seat (43) through threaded connection, there is second locating plate (41) on the top of second location axle (42) through bolted connection.
4. The forearm set is to using compound frock of claim 3, its characterized in that: eccentric wheel hub positioning mechanism (5) set up the right side of middle wheel hub positioning mechanism (4) to be close to the front side border and set up, including embedding fixed the setting eccentric positioning seat (53) on base flat board (2), there is eccentric positioning axle (52) above eccentric positioning seat (53) through threaded connection, there is eccentric locating plate (51) on the top of eccentric positioning axle (52) through bolted connection.
5. The forearm assembly of claim 4 is to using compound frock, its characterized in that: go up fishtail positioning mechanism (6) and set up the right side of eccentric wheel hub positioning mechanism (5) and the back side edge of base flat plate (2) extends the setting along department to the rear side, including last fishtail positioning seat (65), the top of going up fishtail positioning seat (65) is provided with fishtail distance board (64), it has last fishtail location axle (63) to penetrate in fishtail distance board (64), and uses threaded connection go up fishtail positioning seat (65), it still overlaps on fishtail location axle (63) and is equipped with fishtail spacer (62), the top of going up fishtail location axle (63) is provided with fishtail locating plate (61) through the bolt fastening.
6. The forearm assembly of claim 5 is to using compound frock, its characterized in that: the rear fishtail positioning mechanism (7) is close to the rightmost end of the base flat plate (2), is arranged in the middle and comprises a rear fishtail positioning seat (75), a rear fishtail distance plate (74) is arranged on the rear fishtail positioning seat (75), a rear fishtail positioning shaft (73) penetrates into the rear fishtail distance plate (74) and is in threaded connection with the rear fishtail positioning seat (75), and a rear fishtail spacer sleeve (72) is sleeved on the rear fishtail positioning shaft (73); the top end of the rear fishtail positioning shaft (73) is connected with a rear fishtail positioning plate (71) through a bolt.
7. The forearm set is to using compound frock of claim 6, its characterized in that: the outer side surfaces of the lower half portions of the first positioning shaft (32), the second positioning shaft (42), the eccentric positioning shaft (52), the upper fishtail positioning shaft (63) and the rear fishtail positioning shaft (73) are all provided with conical surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123397320.XU CN217142856U (en) | 2021-12-31 | 2021-12-31 | Forearm is to using compound frock to group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123397320.XU CN217142856U (en) | 2021-12-31 | 2021-12-31 | Forearm is to using compound frock to group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217142856U true CN217142856U (en) | 2022-08-09 |
Family
ID=82687411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123397320.XU Active CN217142856U (en) | 2021-12-31 | 2021-12-31 | Forearm is to using compound frock to group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217142856U (en) |
-
2021
- 2021-12-31 CN CN202123397320.XU patent/CN217142856U/en active Active
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