CN215801928U - Novel electric shovel opens end turning handle structure - Google Patents
Novel electric shovel opens end turning handle structure Download PDFInfo
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- CN215801928U CN215801928U CN202121100126.8U CN202121100126U CN215801928U CN 215801928 U CN215801928 U CN 215801928U CN 202121100126 U CN202121100126 U CN 202121100126U CN 215801928 U CN215801928 U CN 215801928U
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- rope
- opening
- handle body
- turning handle
- bottom opening
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Abstract
The utility model provides a novel electric shovel uncork handle structure, including the turning handle body, open end rope and roller skate pole, the one end of turning handle body is provided with a connecting portion, a round pin axle via hole has been seted up on the connecting portion, connecting portion install on the board base through round pin axle via hole, the other end fixed mounting of turning handle body has a bearing frame, the equal fixed mounting in both ends of bearing frame has a bearing, the roller skate pole passes the bearing at bearing frame both ends and installs in the bearing frame, the one end of roller skate pole is provided with the external screw thread structure, a spout has been seted up in the other end setting, the one end spiro union that the roller skate pole was equipped with the external screw thread structure has a stop nut, the end rope of opening is walked around the spout and is connected with the end motor of opening, the spacing hole of several has evenly been seted up along its circumference in the edge of spout, the stop lever can play limiting displacement to the end rope of opening in the spout. The utility model has reasonable structural design, reduces the friction between the bottom opening rope and the crank handle, prolongs the service life of the bottom opening rope and reduces the downtime.
Description
Technical Field
The utility model relates to the technical field of mining machinery, in particular to a novel electric shovel bottom-opening crank handle structure.
Background
The electric shovel bucket rope is a periodic and frequently-consumed part of the electric shovel, and is changed due to damage on average 2000 cars/time. Through analysis, the main damage reasons of the bottom opening rope are large stress and poor relative friction. The main components of the bottom opening mechanism comprise a bottom opening motor assembly, a bottom opening crank handle, a bottom opening pulley and a bottom opening rope, wherein the types of the bottom opening motor assembly, the bottom opening pulley and the bottom opening rope are relatively fixed and unchanged, the bottom opening crank handle is connected with the bottom opening motor assembly through the bottom opening rope and transmits mechanical force, the bottom opening rope is connected with the bottom opening crank handle through a cable clip, the traditional electric shovel bottom opening crank handle is in a straight shape, a pin hole is formed in the upper end opening and is assembled with the base, and the lower end of the traditional electric shovel bottom opening crank handle is provided with the pin hole for assembling the cable clip. The traditional open-bottom crank handle knot has the following problems: the cable clamp between the bottom opening rope and the bottom opening crank handle is easy to damage, so that the connection between the bottom opening rope and the bottom opening crank handle is failed; the connection of the bottom opening rope and the cable clamp is fixed by the wedge iron, the stress of the joint is large, the bottom opening rope is easy to break, the service life of the bottom opening rope is shortened, the replacement period of the bottom opening rope is short, the downtime of the electric shovel is prolonged, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, provides a novel electric shovel bottom opening crank handle structure, and solves the problem that a cable clamp between a bottom opening rope and a bottom opening crank handle is easy to damage in the prior art, so that the connection between the bottom opening rope and the bottom opening crank handle is failed; and the connection of the bottom opening rope and the cable clip is fixed by a wedge iron, the stress of the joint is large, the bottom opening rope is easy to break, the service life of the bottom opening rope is shortened, the replacement period of the bottom opening rope is short, the downtime of the electric shovel is prolonged, and the working efficiency is reduced.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a novel electric shovel bottom-opening turning handle structure comprises a turning handle body, a bottom-opening rope and a wheel slide rod, wherein one end of the turning handle body is provided with a connecting part, a pin shaft through hole is formed in the connecting part, the connecting part is installed on a machine base through the pin shaft through hole, the other end of the turning handle body is fixedly provided with a bearing seat, two ends of the bearing seat are fixedly provided with a bearing, the wheel slide rod penetrates through the bearings at the two ends of the bearing seat and is installed in the bearing seat, one end of the wheel slide rod is provided with an external thread structure, the other end of the wheel slide rod is provided with a sliding groove, one end of the wheel slide rod provided with the external thread structure is screwed with a limiting nut, the bottom-opening rope bypasses the sliding groove and is connected with a bottom-opening motor, the edge of the sliding groove is uniformly provided with a plurality of limiting holes along the circumferential direction, and the limiting rods can be inserted into the limiting holes, the limiting rod can limit the bottom opening rope in the sliding groove, the connecting hole is formed in the crank body, and the bottom opening chain of the electric shovel is connected to the connecting hole.
Furthermore, a wear-resistant coating is arranged on the outer surface of the sliding groove and is made of brass.
Furthermore, a mounting groove is formed in the connecting portion, and the pin shaft through holes are aligned to two sides of the mounting groove.
Furthermore, the connecting part, the crank body and the bearing seat are of an integrally formed structure.
The mine bucket opening device is practical and reasonable in structure, the connecting part at one end of the crank handle body is connected to the machine base, the other end of the crank handle body is provided with the bearing seat, the roller slide rod is installed in the bearing seat through the bearings at the two ends of the bearing seat, the bottom opening rope is wound in the sliding groove at one side of the roller slide rod, when the mine bucket of the electric shovel needs to be opened, the bottom opening rope can be pulled through the bottom opening motor, the crank handle body is driven by the bottom opening rope to rotate around the machine base, and therefore the bottom opening chain connected to the crank handle body is driven to open the bottom plate of the mine bucket. According to the utility model, the bottom opening rope is connected with the crank handle body through the chute, so that the friction at the joint of the bottom opening rope and the crank handle body is reduced, the service life of the bottom opening rope is prolonged, the downtime is reduced, the working efficiency is improved, meanwhile, the limiting rod in the limiting hole in the circumferential direction of the chute can limit the installation of the bottom opening rope in the chute, the bottom opening rope is prevented from jumping out of the chute, the connection stability between the bottom opening rope and the crank handle body is ensured, and the service life of the crank handle body can be prolonged by the brass wear-resistant coating in the chute.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
in the figure: 1. the crank handle comprises a crank handle body, 2 parts of a bottom rope, 3 parts of a wheel slide rod, 4 parts of a connecting part, 5 parts of a pin shaft through hole, 6 parts of a bearing seat, 7 parts of a bearing, 8 parts of a sliding groove, 9 parts of a limiting nut, 10 parts of a limiting hole, 11 parts of a limiting rod, 12 parts of a connecting hole, 13 parts of a wear-resistant coating, 14 parts of a mounting groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the novel electric shovel bottom-opening turning handle structure comprises a turning handle body 1, a bottom-opening rope 2 and a wheel slide rod 3, wherein one end of the turning handle body 1 is provided with a connecting part 4, the connecting part 4 is provided with a pin shaft through hole 5, the connecting part 4 is installed on a machine base through the pin shaft through hole 5, the other end of the turning handle body 1 is fixedly provided with a bearing seat 6, two ends of the bearing seat 6 are both fixedly provided with a bearing 7, the wheel slide rod 3 passes through the bearings 7 at the two ends of the bearing seat 6 and is installed in the bearing seat 6, one end of the wheel slide rod 3 is provided with an external thread structure, the other end of the wheel slide rod 3 is provided with a slide groove 8, one end of the wheel slide rod 3 provided with the external thread structure is screwed with a limit nut 9, the bottom-opening rope 2 bypasses the slide groove 8 and is connected with a bottom-opening motor, the edge of the slide groove 8 is uniformly provided with a plurality of limit holes 10 along the circumferential direction, a limiting rod 11 can be inserted into the limiting hole 10, the limiting rod 11 can limit the bottom opening rope 2 in the sliding groove 8, a connecting hole 12 is formed in the crank body 1, and a bottom opening chain of the electric shovel is connected to the connecting hole 12; a wear-resistant coating 13 is arranged on the outer surface of the sliding chute 8, and the wear-resistant coating 13 is brass; the connecting part 4 is provided with an installation groove 14, and the pin shaft through holes 5 are aligned to two sides of the installation groove 14; the connecting part 4, the crank body 1 and the bearing seat 6 are of an integrally formed structure.
The mining bucket bottom opening device is practical and reasonable in structure, one end of the turning handle body 1 is connected to a machine base (in the prior art and not shown in the figure) through the connecting portion 4, then the other end of the turning handle body 1 is provided with the bearing seat 6, the wheel slide rod 3 is installed in the bearing seat 6 through the bearings 7 at the two ends of the bearing seat 6, the bottom opening rope 2 is wound in the sliding groove 8 at one side of the wheel slide rod 3, when the mining bucket of the electric shovel needs to be bottom opened, the bottom opening rope 2 can be pulled through the bottom opening motor (in the prior art and not shown in the figure), and the bottom opening rope 2 drives the turning handle body 1 to rotate around the machine base, so that a bottom opening chain (in the prior art and not shown in the figure) connected to the turning handle body 1 is driven to open a bottom plate of the mining bucket. According to the utility model, the open bottom rope 2 is connected with the crank handle body 1 through the chute 8, so that the friction at the joint of the open bottom rope 2 and the crank handle body 1 is reduced, the service life of the open bottom rope 2 is prolonged, the downtime is reduced, the working efficiency is improved, meanwhile, the limiting rod 11 in the limiting hole 10 in the circumferential direction of the chute 8 can play a limiting role in mounting the open bottom rope 2 in the chute 8, the open bottom rope 2 is prevented from jumping out of the chute 8, the connection stability between the open bottom rope 2 and the crank handle body 1 is ensured, and the brass wear-resistant coating 13 in the chute 8 can prolong the service life of the crank handle body 1.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (4)
1. A novel electric shovel bottom-opening turning handle structure comprises a turning handle body (1), a bottom-opening rope (2) and a wheel slide rod (3), and is characterized in that one end of the turning handle body (1) is provided with a connecting part (4), the connecting part (4) is provided with a pin shaft through hole (5), the connecting part (4) is installed on a machine base through the pin shaft through hole (5), the other end of the turning handle body (1) is fixedly provided with a bearing seat (6), two ends of the bearing seat (6) are both fixedly provided with a bearing (7), the wheel slide rod (3) penetrates through the bearings (7) at two ends of the bearing seat (6) and is installed in the bearing seat (6), one end of the wheel slide rod (3) is provided with an external thread structure, the other end of the wheel slide rod (3) is provided with a sliding groove (8), one end of the wheel slide rod (3) provided with the external thread structure is screwed with a limit nut (9), open end rope (2) and walk around spout (8) are connected with the end of opening motor, the edge of spout (8) has evenly seted up several spacing hole (10) along its circumference, can insert gag lever post (11) in spacing hole (10), gag lever post (11) can be right open end rope (2) in spout (8) play limiting displacement, have seted up one connecting hole (12) on turning handle body (1), the end chain connection of opening of electric shovel in on connecting hole (12).
2. The novel electric shovel bottom-opening crank handle structure as claimed in claim 1, wherein the outer surface of the sliding chute (8) is provided with a wear-resistant coating (13), and the wear-resistant coating (13) is brass.
3. The novel electric shovel bottom-opening crank handle structure as claimed in claim 1, wherein the connecting portion (4) is provided with a mounting groove (14), and the pin shaft through holes (5) are aligned and arranged on two sides of the mounting groove (14).
4. The novel electric shovel bottom-opening crank handle structure as claimed in claim 2, wherein the connecting portion (4), the crank handle body (1) and the bearing seat (6) are an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121100126.8U CN215801928U (en) | 2021-05-21 | 2021-05-21 | Novel electric shovel opens end turning handle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121100126.8U CN215801928U (en) | 2021-05-21 | 2021-05-21 | Novel electric shovel opens end turning handle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215801928U true CN215801928U (en) | 2022-02-11 |
Family
ID=80173590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121100126.8U Active CN215801928U (en) | 2021-05-21 | 2021-05-21 | Novel electric shovel opens end turning handle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215801928U (en) |
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2021
- 2021-05-21 CN CN202121100126.8U patent/CN215801928U/en active Active
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