CN214560547U - Round pin axle dismounting device of mining machinery equipment - Google Patents
Round pin axle dismounting device of mining machinery equipment Download PDFInfo
- Publication number
- CN214560547U CN214560547U CN202022776607.2U CN202022776607U CN214560547U CN 214560547 U CN214560547 U CN 214560547U CN 202022776607 U CN202022776607 U CN 202022776607U CN 214560547 U CN214560547 U CN 214560547U
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- Prior art keywords
- cylinder body
- spring
- round pin
- cover plate
- pin axle
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- 238000005065 mining Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 25
- 238000005096 rolling process Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000003028 elevating effect Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a round pin axle dismounting device of mining machinery equipment, concretely relates to mining machinery technical field, including round pin axle and cylinder body, the top of cylinder body is provided with the upper cover plate, the bottom of cylinder body is provided with low apron, the one end difference fixedly connected with oil inlet of upper cover plate and low apron, the inside of cylinder body is provided with elevating system, the inside bottom of cylinder body is provided with the screw rod, the outside bottom of screw rod is provided with the round pin axle. The utility model discloses a be provided with connecting block, limiting plate, spacing spring, spring groove and connecting plate, when the piston goes up and down, the spacing spring of spring inslot portion can realize the buffering to the piston, protects the piston according to the elasticity of spacing spring self, increases the life of piston, and the outside spring groove of spacing spring is spacing to the limiting plate, rocks about preventing spacing spring, and the limiting plate can prevent the inside in spacing spring roll-off spring groove, and the connecting block realizes the supporting role to spacing spring.
Description
Technical Field
The utility model relates to a mining machinery technical field specifically is a round pin axle dismounting device of mining machinery equipment.
Background
In mining machinery equipment, a pin shaft is an important element for realizing various actions of the equipment, the application of the pin shaft is very wide along with the development of the society, the pin shaft and the equipment are matched closely, a pin shaft dismounting device is usually adopted when the pin shaft is pulled out, but some problems of the pin shaft dismounting device are not solved.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:
(1) according to the pin shaft dismounting device of the traditional mining mechanical equipment, the cylinder body is not effectively sealed, and oil easily flows out;
(2) in the traditional pin shaft dismounting device of the mining mechanical equipment, the lifting force of a screw is small, so that the pin shaft is inconvenient to dismount;
(3) the traditional pin shaft dismounting device for the mining mechanical equipment does not effectively protect the piston, and the piston is easy to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a round pin axle dismounting device of mining machinery equipment to propose the problem of the inside of the easy outflow cylinder body of oil in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pin shaft dismounting device of mining mechanical equipment comprises a pin shaft and a cylinder body, wherein an upper cover plate is arranged at the top end of the cylinder body, a lower cover plate is arranged at the bottom end of the cylinder body, one ends of the upper cover plate and the lower cover plate are respectively and fixedly connected with an oil inlet, a lifting mechanism is arranged inside the cylinder body, a screw rod is arranged at the bottom end inside the cylinder body, the pin shaft is arranged at the bottom end outside the screw rod, a protective structure is arranged at the top end inside the cylinder body, and a sealing structure is arranged inside the lower cover plate;
the sealing structure comprises a rolling groove and a sealing ring, the rolling groove is formed in two sides of the inner portion of the low cover plate, balls are arranged in the sealing ring, the sealing ring is arranged at the bottom end and the top end of the low cover plate, and a baffle is fixedly connected to the bottom end of the sealing ring.
Preferably, the inner diameter of the rolling groove is larger than the outer diameter of the ball, and the rolling groove and the ball form a sliding connection.
Preferably, the lifting mechanism comprises a gear, a piston, a movable groove, a rack, a servo motor, a connecting shaft and a supporting block, the rack is arranged inside the cylinder body, the bottom end and the top end of the rack are respectively and fixedly connected with the piston, the supporting block is arranged at one end inside the cylinder body, the servo motor is arranged at the top end of the supporting block, the connecting shaft is arranged at the output end of the servo motor, the gear is fixedly connected with one end of the connecting shaft, and the movable groove is arranged on the inner side walls of the two sides inside the cylinder body.
Preferably, a tooth block is arranged outside the gear, a tooth block with the same size as the gear is arranged outside the rack, and the gear is in meshed connection with one side of the rack.
Preferably, protective structure comprises connecting block, limiting plate, spacing spring, spring groove and connecting plate, the connecting plate sets up the top inside the cylinder body, the bottom fixedly connected with spring groove of connecting plate, the inside in spring groove is provided with spacing spring, the bottom fixedly connected with limiting plate of spacing spring, the bottom fixedly connected with connecting block of limiting plate.
Preferably, the two groups of spring grooves are arranged, and the spring grooves are symmetrically distributed about a vertical center line of the connecting plate.
Compared with the prior art, the beneficial effects of the utility model are that: the pin shaft dismounting device of the mining mechanical equipment not only realizes the prevention of oil outflow and the increase of the lifting pressure of the screw rod, but also realizes the protection of the piston;
(1) the baffle plate, the sealing ring, the rolling groove and the ball are arranged, so that oil can be prevented from flowing out of the cylinder body, the sealing ring at the bottom end of the baffle plate further enhances the sealing property of the interior of the cylinder body, not only can the oil be prevented from flowing out of the interior of the cylinder body, but also dust can be prevented from entering the interior of the cylinder body, and the ball in the rolling groove can reduce the friction between the screw and the interior of the baffle plate;
(2) by arranging the gear, the piston, the movable grooves, the rack, the servo motor, the connecting shaft and the supporting block, when the pin shaft needs to be disassembled, the servo motor is started, the servo motor drives the gear through the connecting shaft to enable the rack to ascend, the pin shaft is pulled out of the interior of mechanical equipment, the disassembly of the pin shaft is completed, the pin shaft can be quickly pulled out of the interior of the mechanical equipment by arranging the gear and the servo motor, the practicability of the device is improved, and the movable grooves on two sides of the piston limit the piston;
(3) through being provided with the connecting block, the limiting plate, spacing spring, spring groove and connecting plate, when the piston goes up and down, the buffering can be realized to the piston to the spacing spring of spring inslot portion, protects the piston according to the elasticity of spacing spring self, increases the life of piston, and spacing spring groove outside spacing to the limiting plate prevents to rock about the spacing spring, and the limiting plate can prevent the inside in spacing spring roll-off spring groove, and the connecting block realizes the supporting role to spacing spring.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic side view of a part of the elevating mechanism of the present invention;
FIG. 3 is an enlarged schematic view of the protection structure of the present invention;
fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: 1. a pin shaft; 2. a screw; 3. a lower cover plate; 4. a baffle plate; 5. a cylinder body; 6. a lifting mechanism; 601. a gear; 602. a piston; 603. a movable groove; 604. a rack; 605. a servo motor; 606. a connecting shaft; 607. a support block; 7. a protective structure; 701. connecting blocks; 702. a limiting plate; 703. a limiting spring; 704. a spring slot; 705. a connecting plate; 8. an oil inlet; 9. an upper cover plate; 10. a seal ring; 11. rolling a groove; 12. and a ball.
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.
Example 1: referring to fig. 1-4, a pin shaft dismounting device for mining machinery equipment comprises a pin shaft 1 and a cylinder body 5, wherein an upper cover plate 9 is arranged at the top end of the cylinder body 5, a lower cover plate 3 is arranged at the bottom end of the cylinder body 5, one end of the upper cover plate 9 and one end of the lower cover plate 3 are respectively and fixedly connected with an oil inlet 8, a lifting mechanism 6 is arranged inside the cylinder body 5, a screw rod 2 is arranged at the bottom end inside the cylinder body 5, the pin shaft 1 is arranged at the bottom end outside the screw rod 2, a protective structure 7 is arranged at the top end inside the cylinder body 5, and a sealing structure is arranged inside the lower cover plate 3;
referring to fig. 1-4, the pin shaft dismounting device of the mining machinery equipment further comprises a sealing structure, the sealing structure comprises rolling grooves 11 and sealing rings 10, the rolling grooves 11 are arranged on two sides of the interior of the low cover plate 3, rolling balls 12 are arranged inside the sealing rings 10, the sealing rings 10 are arranged at the bottom end and the top end of the low cover plate 3, and the bottom end of the sealing rings 10 is fixedly connected with a baffle plate 4;
the inner diameter of the rolling groove 11 is larger than the outer diameter of the ball 12, and the rolling groove 11 and the ball 12 form sliding connection;
specifically, as shown in fig. 1 and 4, the baffle 4 is provided to prevent the oil from flowing out of the cylinder 5, the sealing ring 10 at the bottom end of the baffle 4 further enhances the sealing performance inside the cylinder 5, not only prevents the oil from flowing out of the cylinder 5, but also prevents the dust from entering the cylinder 5, and the balls 12 inside the rolling groove 11 can reduce the friction between the screw 2 and the inside of the baffle 4.
Example 2: the lifting mechanism 6 comprises a gear 601, a piston 602, a movable groove 603, a rack 604, a servo motor 605, a connecting shaft 606 and a supporting block 607, the rack 604 is arranged inside the cylinder 5, the bottom end and the top end of the rack 604 are respectively and fixedly connected with the piston 602, the supporting block 607 is arranged at one end inside the cylinder 5, the servo motor 605 is arranged at the top end of the supporting block 607, the type of the servo motor 605 is 80HB-02430, the connecting shaft 606 is arranged at the output end of the servo motor 605, one end of the connecting shaft 606 is fixedly connected with the gear 601, and the movable groove 603 is arranged on the inner side walls of two sides inside the cylinder 5;
specifically, as shown in fig. 1 and fig. 2, when the pin shaft 1 needs to be detached, the servo motor 605 is started, the servo motor 605 drives the gear 601 through the connecting shaft 606 to lift the rack 604, the pin shaft 1 is extracted from the inside of the mechanical device, the detachment of the pin shaft is completed, the gear 601 and the servo motor 605 can rapidly extract the pin shaft 1 from the inside of the mechanical device, the practicability of the device is increased, and the movable grooves 603 on the two sides of the piston 602 limit the piston 602.
Example 3: the protective structure 7 is composed of a connecting block 701, a limiting plate 702, a limiting spring 703, a spring groove 704 and a connecting plate 705, the connecting plate 705 is arranged at the top end inside the cylinder body 5, the spring groove 704 is fixedly connected to the bottom end of the connecting plate 705, the limiting spring 703 is arranged inside the spring groove 704, the limiting plate 702 is fixedly connected to the bottom end of the limiting spring 703, and the connecting block 701 is fixedly connected to the bottom end of the limiting plate 702;
two groups of spring slots 704 are arranged, and the spring slots 704 are symmetrically distributed around the vertical center line of the connecting plate 705;
specifically, as shown in fig. 1 and fig. 3, when the piston 602 goes up and down, the limiting spring 703 inside the spring groove 704 can buffer the piston 602, the piston 602 is protected according to the elasticity of the limiting spring 703, the service life of the piston 602 is prolonged, the spring groove 704 outside the limiting spring 703 limits the limiting plate 702, the limiting spring 703 is prevented from shaking left and right, the limiting plate 702 can prevent the limiting spring 703 from sliding out of the inside of the spring groove 704, and the connecting block 701 can support the limiting spring 703.
The working principle is as follows: the utility model discloses when using, at first, can prevent through being provided with baffle 4 that oil from the inside outflow of cylinder body 5, the sealing washer 10 further reinforcing the inside leakproofness of cylinder body 5 of baffle 4 bottom not only prevents that the inside of oil outflow cylinder body 5 can also prevent that the dust from getting into the inside of cylinder body 5, and the ball 12 of 11 inside rolling grooves can reduce the inside friction of screw rod 2 and baffle 4.
Then, when the pin shaft 1 needs to be disassembled, the servo motor 605 is started, the servo motor 605 drives the gear 601 through the connecting shaft 606 to enable the rack 604 to ascend, the pin shaft 1 is extracted from the inside of the mechanical equipment, the disassembly of the pin shaft is completed, the gear 601 and the servo motor 605 can be arranged to rapidly extract the pin shaft 1 from the inside of the mechanical equipment, the practicability of the device is improved, and the movable grooves 603 on the two sides of the piston 602 limit the piston 602.
Finally, when the piston 602 goes up and down, the limiting spring 703 in the spring groove 704 can buffer the piston 602, the piston 602 is protected according to the elasticity of the limiting spring 703, the service life of the piston 602 is prolonged, the spring groove 704 outside the limiting spring 703 limits the limiting plate 702, the limiting spring 703 is prevented from shaking left and right, the limiting plate 702 can prevent the limiting spring 703 from sliding out of the spring groove 704, and the connecting block 701 can support the limiting spring 703.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a round pin axle dismounting device of mining machinery equipment, includes round pin axle (1) and cylinder body (5), its characterized in that: an upper cover plate (9) is arranged at the top end of the cylinder body (5), a low cover plate (3) is arranged at the bottom end of the cylinder body (5), oil inlets (8) are respectively and fixedly connected to one ends of the upper cover plate (9) and the low cover plate (3), a lifting mechanism (6) is arranged inside the cylinder body (5), a screw rod (2) is arranged at the bottom end inside the cylinder body (5), a pin shaft (1) is arranged at the bottom end outside the screw rod (2), a protective structure (7) is arranged at the top end inside the cylinder body (5), and a sealing structure is arranged inside the low cover plate (3);
the sealing structure comprises a rolling groove (11) and a sealing ring (10), wherein the rolling groove (11) is formed in two sides of the inner portion of the low cover plate (3), a ball (12) is arranged in the sealing ring (10), the bottom end and the top end of the low cover plate (3) are provided with the sealing ring (10), and the bottom end of the sealing ring (10) is fixedly connected with a baffle (4).
2. The mining mechanical equipment's round pin axle dismounting device of claim 1, characterized in that: the inner diameter of the rolling groove (11) is larger than the outer diameter of the ball (12), and the rolling groove (11) and the ball (12) form sliding connection.
3. The mining mechanical equipment's round pin axle dismounting device of claim 1, characterized in that: the lifting mechanism (6) is composed of a gear (601), a piston (602), a movable groove (603), a rack (604), a servo motor (605), a connecting shaft (606) and a supporting block (607), the rack (604) is arranged inside a cylinder body (5), the bottom end and the top end of the rack (604) are respectively and fixedly connected with the piston (602), the supporting block (607) is arranged at one end inside the cylinder body (5), the top end of the supporting block (607) is provided with the servo motor (605), the output end of the servo motor (605) is provided with the connecting shaft (606), one end of the connecting shaft (606) is fixedly connected with the gear (601), and the movable groove (603) is arranged on the inner side walls of two sides inside the cylinder body (5).
4. The mining mechanical equipment's round pin axle dismounting device of claim 3, characterized in that: the gear (601) is externally provided with a tooth block, the rack (604) is externally provided with a tooth block with the same size as the gear (601), and one side of the gear (601) and one side of the rack (604) are in meshed connection.
5. The mining mechanical equipment's round pin axle dismounting device of claim 1, characterized in that: protective structure (7) comprises connecting block (701), limiting plate (702), spacing spring (703), spring groove (704) and connecting plate (705), connecting plate (705) set up the top in cylinder body (5) inside, the bottom fixedly connected with spring groove (704) of connecting plate (705), the inside of spring groove (704) is provided with spacing spring (703), the bottom fixedly connected with limiting plate (702) of spacing spring (703), the bottom fixedly connected with connecting block (701) of limiting plate (702).
6. The mining mechanical equipment pin dismounting device according to claim 5, characterized in that: two groups of spring grooves (704) are arranged, and the spring grooves (704) are symmetrically distributed around the vertical center line of the connecting plate (705).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776607.2U CN214560547U (en) | 2020-11-26 | 2020-11-26 | Round pin axle dismounting device of mining machinery equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776607.2U CN214560547U (en) | 2020-11-26 | 2020-11-26 | Round pin axle dismounting device of mining machinery equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214560547U true CN214560547U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022776607.2U Expired - Fee Related CN214560547U (en) | 2020-11-26 | 2020-11-26 | Round pin axle dismounting device of mining machinery equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214560547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112589712A (en) * | 2020-11-26 | 2021-04-02 | 陕西时盛科邦建设工程有限公司 | Leak-proof antifriction pin shaft dismounting mechanism |
-
2020
- 2020-11-26 CN CN202022776607.2U patent/CN214560547U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112589712A (en) * | 2020-11-26 | 2021-04-02 | 陕西时盛科邦建设工程有限公司 | Leak-proof antifriction pin shaft dismounting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |