CN214272183U - Connecting device for bucket chain of electric shovel - Google Patents
Connecting device for bucket chain of electric shovel Download PDFInfo
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- CN214272183U CN214272183U CN202023156986.1U CN202023156986U CN214272183U CN 214272183 U CN214272183 U CN 214272183U CN 202023156986 U CN202023156986 U CN 202023156986U CN 214272183 U CN214272183 U CN 214272183U
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Abstract
An embodiment of the utility model provides a connecting device of electric shovel bucket chain, include: open and fight lever, open and fight the chain, open and fight the lever and be equipped with the internal thread, still include: the device comprises a stepped shaft, two steel plates and a balancing device; a second through hole, a third through hole and a fourth through hole are sequentially formed in the steel plate from bottom to top; the stepped shaft comprises a first shaft body and a second shaft body coaxially arranged at two ends of the first shaft body, the stepped shaft is connected to the bucket opening lever through threads, and a first nut is used for fixing steel plates at two ends of the second shaft body through threads; the balancing device includes: the spring type straight pipe comprises two screw rods, a straight rod, two straight pipes and two springs, wherein one end of each screw rod is coaxially and fixedly provided with the blind end of each straight pipe, the inner side wall of each straight pipe is fixedly provided with the corresponding spring, and the extension direction of each spring is along the axial direction of each straight pipe; a second nut is connected to the screw in a threaded manner, and two ends of the straight rod are sleeved in the two straight cylinders respectively; the bucket opening chain is sleeved on the stud bolt, and the stud bolt is fixed on the steel plate by using a third nut.
Description
Technical Field
The utility model relates to the technical field of electric shovel especially involves being a connecting device of electric shovel chain of fighting.
Background
Because the function of fighting is played to the chain of fighting, it is comparatively frequent to use, and the chain of fighting of original fight shackle connected method of fighting life is short, and the shackle often splits, and it is high to change the frequency, influences work efficiency, need use the electric welding cutting when changing simultaneously, has had the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connecting device of electric shovel bucket chain, its purpose is to solve the problem in the above-mentioned background art. In order to achieve the above purpose, the utility model adopts the following technical scheme:
a connecting device for an electric shovel dipper chain, comprising: open and fight lever, open and fight the chain, open and fight the lever and open and have first through-hole, still include: the device comprises a first nut, a stepped shaft, two steel plates, a second nut, a third nut, a stud and a balancing device; the first through hole is provided with an internal thread, and a second through hole, a third through hole and a fourth through hole are sequentially formed in the steel plate from bottom to top;
the ladder shaft comprises a first shaft body and second shaft bodies coaxially arranged at two ends of the first shaft body, the diameter of the first shaft body is larger than that of the second shaft body, the first shaft body is provided with a first external thread, the ladder shaft is connected to the bucket opening lever through a thread, two ends of the second shaft body are provided with second external threads, the second shaft body penetrates through the second through hole and is connected to the second external threads through a first nut through a thread, and the two steel plates are respectively fixed at one ends of the two second shaft bodies;
the balancing device includes: the spring type straight cylinder comprises two screw rods, a straight rod, two straight cylinders and two springs, wherein one end of each straight cylinder is closed, the other end of each straight cylinder is open, one end of each screw rod is coaxially and fixedly provided with the blind end of each straight cylinder, the inner side wall of each straight cylinder is fixedly provided with the corresponding spring, and the extension direction of each spring is along the axial direction of the straight cylinder; the screw rod penetrates through the third through hole, the screw rod is connected to the screw rod through a second nut through threads, the screw rod is fixed on the steel plate, and two ends of the straight rod are respectively sleeved in the two straight cylinders;
the bucket chain is sleeved on the stud bolt, the stud bolt penetrates through the fourth through hole, the third nut is connected to the stud bolt through threads, and the stud bolt is fixed on the steel plate.
Further, the straight rod and the straight cylinder are made of stainless steel.
Furthermore, the spring is a compression spring, and the spring is made of carbon steel.
Compared with the prior art, the utility model has the following advantages;
the utility model provides a pair of connecting device of electric shovel chain of fighting through setting up connecting device, makes the chain of fighting and the lever of fighting couple together, compares the chain of fighting and directly links on the lever of fighting, sets up connecting device, has increased the life of the chain of fighting. The balance device is arranged, so that the connecting device reduces the scraping abrasion of the bucket opening lever, and the service life of the bucket opening lever and the connecting device is prolonged.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, the present invention provides other technical problems that can be solved, other technical features included in the technical solutions, and advantages brought by the technical features, and further detailed descriptions will be made in the detailed description of the embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a connecting device of an electric shovel bucket chain according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the balancing apparatus.
Reference numerals:
1. a bucket opening lever; 2. a first nut; 3. a stepped shaft; 4. a steel plate; 5. a second nut; 6. a screw; 7. a third nut; 8. a stud; 9. opening a bucket chain; 10. a straight rod; 11. a straight cylinder; 12. a spring.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a connecting device for an electric shovel bucket chain 9, including: open and fight lever 1, open and fight chain 9, open and fight lever 1 and open and have first through-hole, still include: the device comprises a first nut 2, a stepped shaft 3, two steel plates 4, a second nut 5, a third nut 7, a stud 8 and a balancing device; the first through hole is provided with internal threads, and a second through hole, a third through hole and a fourth through hole are sequentially formed in the steel plate 4 from bottom to top;
the stepped shaft 3 comprises a first shaft body and second shaft bodies coaxially arranged at two ends of the first shaft body, the diameter of the first shaft body is larger than that of the second shaft body, the first shaft body is provided with a first external thread, the stepped shaft 3 is connected to the bucket opening lever 1 through a thread, two ends of the second shaft body are provided with a second external thread, the second shaft body passes through a second through hole and is connected to the second external thread through a first nut 2 through a thread, and two steel plates 4 are respectively fixed at one ends of the two second shaft bodies;
the balancing device includes: the device comprises two screws 6, a straight rod 10, two straight cylinders 11 and two springs 12, wherein one end of each straight cylinder 11 is closed, the other end of each straight cylinder 11 is open, one end of each screw 6 is coaxially and fixedly provided with the non-closed end of each straight cylinder 11, the inner side wall of each straight cylinder 11 is fixedly provided with the corresponding spring 12, and the extension direction of each spring 12 is along the axial direction of the corresponding straight cylinder 11; the screw 6 penetrates through the third through hole, the screw 6 is connected to the screw by a second nut 5 through threads, the screw 6 is fixed on the steel plate 4, and two ends of the straight rod 10 are respectively sleeved in the two straight cylinders 11;
the bucket chain 9 is sleeved on the stud bolt, the stud bolt penetrates through the fourth through hole, the third nut 7 is connected to the stud bolt through threads, and the stud bolt is fixed on the steel plate 4.
Further, the straight rod 10 and the straight cylinder 11 can be made of stainless steel, and strength requirements are met.
Further, the spring 12 is a compression spring 12, and the spring 12 is made of carbon steel.
It should be noted that, in use, the steel plate 4 is in clearance fit with the stepped shaft 3 and the first nut 2, and in order to prevent the first nut 2 from loosening, two first nuts 2 may be simultaneously screwed at one end of the second shaft body. The inner diameter of the straight cylinder 11 and the outer diameter of the straight rod 10 can be in clearance fit, the lengths of the straight cylinder 11 and the straight rod 10 can be as shown in figure 1, and the straight rod 10 cannot slide out of the straight cylinder 11 in use; through the sliding of the straight rod 10 in the straight cylinder 11, two ends of the straight rod 10 are in contact with the damping spring 12, so that the straight rod 10 and the spring 12 play a role in damping and supporting the two steel plates 4, and the steel plates 4 are prevented from being rubbed with the fighting lever 1.
When installed
1. Sleeving two ends of a straight rod 10 in two straight cylinders 11, then connecting two steel plates 4 to a screw 6 through a third through hole and a second nut 5 by threads, and fixing the screw 6 on the steel plates 4;
2. the first shaft body is connected to the bucket opening lever 1 through threads, and then the two steel plates 4 are connected to the second shaft body through the second through holes and the first nuts 2 through the threads;
3. the stud bolts pass through the bucket chain 9, pass through the fourth through holes, and are connected to the stud bolts through the third nuts 7 by threads, so that the stud bolts are fixed to the steel plate 4.
4. The first nut 2, the second nut 5 and the third nut 7 are fastened.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (3)
1. A connecting device for an electric shovel dipper chain, comprising: open and fight lever, open and fight the chain, it has first through-hole to open the lever of fighting, its characterized in that still includes: the device comprises a first nut, a stepped shaft, two steel plates, a second nut, a third nut, a stud and a balancing device; the first through hole is provided with an internal thread, and a second through hole, a third through hole and a fourth through hole are sequentially formed in the steel plate from bottom to top;
the ladder shaft comprises a first shaft body and second shaft bodies coaxially arranged at two ends of the first shaft body, the diameter of the first shaft body is larger than that of the second shaft body, the first shaft body is provided with a first external thread, the ladder shaft is connected to the bucket opening lever through a thread, two ends of the second shaft body are provided with a second external thread, the second shaft body penetrates through the second through hole and is connected to the second external thread through a first nut, and the two steel plates are respectively fixed at one ends of the two second shaft bodies;
the balancing device includes: the spring type straight cylinder comprises two screw rods, a straight rod, two straight cylinders and two springs, wherein one end of each straight cylinder is closed, the other end of each straight cylinder is open, one end of each screw rod is coaxially and fixedly arranged at the non-closed end of each straight cylinder, the springs are fixedly arranged on the inner side wall of each straight cylinder, and the extension direction of each spring is along the axis direction of each straight cylinder; the screw rod penetrates through the third through hole, is connected to the screw rod through a second nut through threads, and is fixed on the steel plate, and two ends of the straight rod are sleeved in the two straight cylinders respectively;
the bucket opening chain is sleeved on a stud, the stud penetrates through the fourth through hole, and a third nut is connected to the stud through threads to fix the stud on the steel plate.
2. The connecting device of the electric shovel dipper chain of claim 1, wherein the straight bar and the straight cylinder are made of stainless steel.
3. The attachment of an electric shovel dipper chain as recited in claim 1, wherein said spring is a compression spring and said spring is carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156986.1U CN214272183U (en) | 2020-12-24 | 2020-12-24 | Connecting device for bucket chain of electric shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156986.1U CN214272183U (en) | 2020-12-24 | 2020-12-24 | Connecting device for bucket chain of electric shovel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214272183U true CN214272183U (en) | 2021-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023156986.1U Active CN214272183U (en) | 2020-12-24 | 2020-12-24 | Connecting device for bucket chain of electric shovel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214272183U (en) |
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2020
- 2020-12-24 CN CN202023156986.1U patent/CN214272183U/en active Active
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