CN220501781U

CN220501781U - Directly-connected hydraulic drive screw conveyor

Info

Publication number: CN220501781U
Application number: CN202321460595.XU
Authority: CN
Inventors: 钱晓东; 陈法喜; 李晓波; 潘齐向; 胡坤; 肖庆德; 谭士友; 王启德; 王江; 李朋
Original assignee: Guizhou Yonggui Mechanical And Electrical System Repair Co ltd
Current assignee: Guizhou Yonggui Mechanical And Electrical System Repair Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-02-20
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a direct-connection hydraulic drive screw conveyor, which comprises a discharging frame; the spiral mechanism is integrated in the discharging frame and extends along the axial direction of the discharging frame; one end of the spiral mechanism is in transmission connection with the hydraulic motor, and the other end of the spiral mechanism is integrated with a spiral sealing device; the discharging frame is provided with a feeding barrel at one end matched with the spiral sealing device, the spiral mechanism part extends into the feeding barrel, and the spiral sealing device is integrated at the end part of the feeding barrel far away from one end of the discharging frame. The screw conveyor adopts the direct connection of the power part and the screw mechanism, so that the transmission efficiency is high; the sealing device at the tail part has good sealing performance and can be suitable for transporting water-containing materials; the spiral sealing device adopts a double-bearing structure, can bear axial force and radial force, and prolongs the service life of the device. The direct connection transmission mode is adopted, so that the size of the device can be reduced, and the device is convenient to disassemble, assemble and maintain.

Description

Directly-connected hydraulic drive screw conveyor

Technical Field

The utility model relates to the technical field of spiral feeding equipment, in particular to a direct-connection hydraulic drive spiral conveyor.

Background

At present, the power part of the spiral feeding device and the spiral mechanism in the market are driven by a simple chain or gear. The chain transmission has the problem of low transmission efficiency, when the chain is loosened after long-time use, the drag chain is extremely easy to be caused, and the adoption of the chain transmission requires periodic inspection and maintenance. Gear drives increase the overall size of the screw mechanism and also require regular maintenance of the gears.

In addition, in the prior art, the spiral feeding structure adopts a simple single bearing and a tail spiral supporting and sealing structure formed by a framework oil seal, and the structure can only run in a short-time anhydrous environment and can simply meet the use requirement. However, after long-time operation, a large amount of impurities can enter the bearing due to abrasion and aging of the framework oil seal, so that the bearing is damaged, and the spiral feeding device cannot be used.

At present, a common method for people is to use a sealing structure formed by double-framework oil seals, so that the problem that water and impurities do not enter a bearing in the early use can be solved, but after the framework oil seals are worn, water and tiny impurities still enter the bearing.

Accordingly, based on the above technical problems, a need exists for developing a direct-connection hydraulic drive screw conveyor with a novel screw sealing device.

Disclosure of Invention

The utility model aims to provide a novel spiral sealing device which adopts two layers of framework oil seals and one layer of Gelai ring seal to solve the problem of water leakage and air leakage at the bottom of a spiral, ensure that water and impurities cannot enter a bearing after long-time use, and a direct-connection hydraulic drive spiral conveyor with the novel spiral sealing device.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model relates to a direct-connection hydraulic drive screw conveyor, which comprises:

a discharging frame; and

the spiral mechanism is integrated in the discharging frame and extends along the axial direction of the discharging frame;

one end of the spiral mechanism is in transmission connection with the hydraulic motor, and the other end of the spiral mechanism is integrated with a spiral sealing device;

the discharging frame and the screw sealing device are matched, one end of the discharging frame is provided with a feeding cylinder, the screw mechanism part extends into the feeding cylinder, and the screw sealing device is integrated at the end part of the feeding cylinder, which is far away from one end of the discharging frame.

Further, the hydraulic motor is in transmission connection with the spiral mechanism through a vertical cycloidal pin gear speed reducer;

and a connecting cover is arranged at the joint of the hydraulic motor and the vertical cycloidal pin gear speed reducer.

Further, the screw sealing device includes:

a bearing seat;

the bearings are arranged in the bearing seat, the number of the bearings is two, and the two bearings are arranged in the bearing seat at intervals; and

a sealing structure;

the sealing structure comprises:

two layers of framework oil seals and a layer of grail rings for holes;

the bearing seat is connected with a main shaft along the axial direction of the bearing seat through the bearing in a rotating way, one end of the main shaft is provided with a driving gear, and the other end of the main shaft is connected with a screw mechanism of the discharging frame.

Further, the two bearings are separated by a bearing inner sleeve;

an end cover is arranged at one end, close to the main shaft, of the bearing seat;

the sealing shaft sleeve is embedded in the bearing seat near the other end of the main shaft, and the main shaft penetrates through the sealing shaft sleeve and extends to the outer part of the bearing seat.

Further, one end, close to the bearing, of the sealing shaft sleeve is embedded with a layer of framework oil seal, and the inside of the sealing shaft sleeve is embedded with a layer of Kong Yongge rice ring;

the specifications of the Kong Yongge turns are 85mm x 100mm x 6.3mm;

one side of the end cover, which is matched with the bearing, is embedded with a layer of framework oil seal;

the specification of the framework oil seal is 95mm x 75mm x 12mm.

Further, one end of the main shaft passes through the end cover and extends to the outside of the end cover, and the other end of the main shaft passes through the sealing shaft sleeve and extends to the outside of the bearing seat;

the main shaft is provided with a matching part matched with the half coupling, and the main shaft is in transmission connection with the screw mechanism through the half coupling.

Further, a bearing clamping sleeve matched with the corresponding bearing is arranged at the joint of the main shaft and the end cover.

Further, the type of the bearing is 7311.

In the technical scheme, the direct-connection hydraulic drive screw conveyor provided by the utility model has the following beneficial effects:

the screw conveyor adopts the direct connection of the power part and the screw mechanism, so that the transmission efficiency is high; the sealing device at the tail part has good sealing performance and can be suitable for transporting water-containing materials; the spiral sealing device adopts a double-bearing structure, can bear axial force and radial force, and prolongs the service life of the device. The direct connection transmission mode is adopted, so that the size of the device can be reduced, and the device is convenient to disassemble, assemble and maintain.

The spiral support of the spiral sealing device adopts the double-row angular contact bearing, the sealing adopts two layers of framework oil seals and one layer of Gray ring for sealing, the problem of water leakage and air leakage at the bottom of the spiral is solved, the water and impurities can not enter the bearing after long-time use can be ensured, the problem of uneven stress of a single bearing structure is solved by the double-tapered roller bearing structure, and the service life of the bearing is greatly prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic structural diagram of a direct-connection hydraulic drive screw conveyor according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a construction of a direct-coupled hydraulically driven screw conveyor according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a screw sealing device of a direct-connection hydraulic drive screw conveyor according to an embodiment of the present utility model;

fig. 4 is an exploded view of the structure of the screw sealing device of the direct-connection hydraulic drive screw conveyor according to the embodiment of the utility model.

Reference numerals illustrate:

10. a screw seal; 11. a discharging frame; 12. a screw mechanism; 13. a drive gear; 14. a key; 15. a feed cylinder; 16. a hydraulic motor; 17. vertical cycloidal pin gear speed reducer; 18. a connection cover;

1. a bearing seat; 2. a bearing; 4. a main shaft;

101. an end cap; 102. sealing the shaft sleeve; 103. a bolt;

201. a bearing inner sleeve; 202. bearing cutting ferrule;

301. a framework oil seal; 302. a Gelai circle;

401. a half coupling; 402. and a mating part.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

See fig. 1-4;

a discharge rack 11; and

a screw mechanism 12 integrated inside the discharge rack 11 and extending in the axial direction of the discharge rack 11;

one end of the screw mechanism 12 is in transmission connection with the hydraulic motor 16, and the screw sealing device 10 is integrated at the other end of the screw mechanism 12;

the end of the discharging frame 11 matched with the spiral sealing device 10 is provided with a feeding cylinder 15, the spiral mechanism 12 extends into the feeding cylinder 15 partially, and the spiral sealing device 10 is integrated at the end of the feeding cylinder 15 far away from the end of the discharging frame 11.

The hydraulic motor 16 of this embodiment is used as a power part, and the specific connection structure is as follows: the hydraulic motor 16 is in transmission connection with the screw mechanism 12 through a vertical cycloidal pin gear reducer 17;

a connecting cover 18 is arranged at the joint of the hydraulic motor 16 and the vertical cycloidal pin gear speed reducer 17.

The embodiment discloses a novel screw conveyor, wherein a discharging frame 11 and a feeding cylinder 15 are used as transport carriers of materials, and the materials are transported mainly through screw extrusion of a screw mechanism 12. The screw mechanism 12 of the present embodiment is driven by being directly connected to the hydraulic motor 16, so that the overall size can be reduced, and the transmission efficiency can be improved. A screw seal 10 is provided at one end of the device to improve the seal, taking into account the possible water content of the material.

Referring to fig. 3 to 4, the screw sealing device 10 of the present embodiment preferably includes:

a bearing seat 1;

the bearings 2 are arranged in the bearing seat 1, the number of the bearings 2 is two, and the two bearings 2 are arranged in the bearing seat 1 at intervals; and

a sealing structure;

the sealing structure comprises:

two layers of framework oil seals 301 and a layer of gray rings 302 for holes;

the bearing seat 1 is connected with a main shaft 4 in a rotating way through a bearing 2 along the axial direction, one end of the main shaft 4 is provided with a driving gear 13, and the other end of the main shaft 4 is connected with a screw mechanism 12 of a discharging frame 11.

Specifically, the present embodiment discloses a dynamic seal structure, which is mainly suitable for sealing the bottom of the spiral structure of the spiral feeding device 11. The device mainly comprises a bearing seat 1, two tapered roller bearings inside and a corresponding sealing structure. The main shaft 4 of the embodiment is rotatably connected with the bearing seat 1 through the bearing 2, and two ends of the main shaft 4 are respectively connected with the driving gear 13 and the screw mechanism 12 to realize power transmission. Meanwhile, the sealing structure is a dynamic sealing structure and mainly comprises two layers of framework oil seals 301 and one layer of gray ring seal 302.

Preferably, the two bearings 2 of the present embodiment are separated by the bearing inner sleeve 201;

an end cover 101 is arranged at one end, close to the main shaft 4, of the bearing seat 1;

the other end of the bearing seat 1, which is close to the main shaft 4, is internally embedded with a sealing shaft sleeve 102, and the main shaft 4 passes through the sealing shaft sleeve 102 and extends to the outside of the bearing seat 1.

Preferably, one end, close to the bearing 2, of the sealing shaft sleeve 102 in the embodiment is embedded with a layer of framework oil seal 301, and the inside of the sealing shaft sleeve 102 is embedded with a layer of gray ring 302 for holes;

kong Yongge turns 302 have a gauge of 85mm x 100mm x 6.3mm;

one side of the end cover 101 matched with the bearing 2 is embedded with a layer of framework oil seal 301;

the specification of the skeleton oil seal 301 is 95mm x 75mm x 12mm.

The present embodiment defines the connection structure of the sealing structure and the sealing sleeve 102 in detail, and the installation position of the two-layer skeleton oil seal 301, and since the sealing device of the present embodiment integrates the two bearings 2, one layer of skeleton oil seal 301 is integrated on each of the outer end sides of the two bearings 2 to achieve sealing. Meanwhile, a glain ring seal 302 is embedded in the sealing sleeve 102.

Preferably, one end of the main shaft 4 of the present embodiment passes through the end cover 101 and extends to the outside of the end cover 101, and the other end of the main shaft 4 passes through the sealing sleeve 102 and extends to the outside of the bearing housing 1;

the main shaft 4 has an engagement portion 402 for engaging with the coupling portion 401, and the main shaft 4 is drivingly connected to the screw mechanism 12 through the coupling portion 401.

The end of the main shaft 4 has a fitting portion 402 that fits with the half coupling 401, and the fitting portion 402 can also be regarded as the half coupling 401, and the main purpose thereof is to achieve power transmission after fitting with the half coupling 401.

In order to limit the bearing 2, the bearing 2 at one end of the spindle 4 is limited to the end cover 101 through the bearing clamping sleeve 202, specifically: the connection of the main shaft 4 and the end cover 101 is provided with a bearing clamping sleeve 202 matched with the corresponding bearing 2.

The type of the bearing 2 of the present embodiment is 7311.

The screw mechanism 12 of the embodiment is directly connected with the hydraulic motor 16, the maximum transport capacity of the whole screw conveyor can reach 8 square meters per hour, the maximum deslagging capacity of normal drilling is about 3 square meters per hour, and the powerful transport capacity continuously discharges the slag without accumulation, so that the smoothness of a pipeline is ensured. The maximum inclination angle is 30 degrees, and the speed reducer and the hydraulic motor 16 are coaxially and directly connected in a driving mode, so that the structure is simple and stable, the overhaul is convenient, the slag removal labor intensity is greatly reduced, and the construction efficiency is improved.

the screw conveyor adopts the direct connection of the power part and the screw mechanism 12, so that the transmission efficiency is high; the sealing device at the tail part has good sealing performance and can be suitable for transporting water-containing materials; the spiral sealing device 10 adopts a double-bearing structure, can bear axial force and radial force, and prolongs the service life of the device. The direct connection transmission mode is adopted, so that the size of the device can be reduced, and the device is convenient to disassemble, assemble and maintain.

The spiral support of the spiral sealing device 10 adopts a double-row angular contact bearing, and the sealing adopts two layers of framework oil seals 301 and one layer of Gray ring for sealing, so that the problem of water leakage and air leakage at the bottom of the spiral is solved, the long-time use can ensure that water and impurities cannot enter the bearing, the double-tapered roller bearing structure solves the problem of uneven stress of a single bearing structure, and the service life of the bearing is greatly prolonged.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. Direct-connection hydraulic drive screw conveyor, characterized in that, this screw conveyor includes:

a discharge rack (11); and

the spiral mechanism (12) is integrated inside the discharging frame (11) and extends along the axial direction of the discharging frame (11);

one end of the screw mechanism (12) is in transmission connection with the hydraulic motor (16), and the other end of the screw mechanism (12) is integrated with the screw sealing device (10);

the discharging frame (11) and the spiral sealing device (10) are matched, one end of the discharging frame is provided with a feeding cylinder (15), the spiral mechanism (12) is partially extended into the feeding cylinder (15), and the spiral sealing device (10) is integrated at the end part, far away from one end of the discharging frame (11), of the feeding cylinder (15).

2. The direct-connection hydraulically driven screw conveyor according to claim 1, characterized in that the hydraulic motor (16) is in driving connection with the screw mechanism (12) via a vertical cycloidal pin gear reducer (17);

a connecting cover (18) is arranged at the joint of the hydraulic motor (16) and the vertical cycloidal pin gear speed reducer (17).

3. The direct-connection hydraulically driven screw conveyor according to claim 1, characterized in that the screw sealing device (10) comprises:

a bearing seat (1);

the bearings (2) are arranged in the bearing seat (1), the number of the bearings (2) is two, and the two bearings (2) are arranged in the bearing seat (1) at intervals; and

a sealing structure;

the sealing structure comprises:

two layers of framework oil seals (301) and a layer of glaier ring (302) for holes;

the bearing seat (1) is connected with a main shaft (4) along the axial direction of the bearing seat through the bearing (2), one end of the main shaft (4) is provided with a driving gear (13), and the other end of the main shaft (4) is connected with a screw mechanism (12) of the discharging frame (11).

4. A direct-connection hydraulically driven screw conveyor according to claim 3, characterized in that the two bearings (2) are separated by a bearing inner sleeve (201);

an end cover (101) is arranged at one end, close to the main shaft (4), of the bearing seat (1);

the sealing shaft sleeve (102) is embedded in the bearing seat (1) close to the other end of the main shaft (4), and the main shaft (4) penetrates through the sealing shaft sleeve (102) and extends to the outside of the bearing seat (1).

5. The direct-connection hydraulic drive screw conveyor according to claim 4, wherein one end of the sealing shaft sleeve (102) close to the bearing (2) is embedded with a layer of skeleton oil seal (301), and the sealing shaft sleeve (102) is embedded with a layer of Kong Yongge rim (302);

the specifications of the Kong Yongge turns (302) are 85mm by 100mm by 6.3mm;

one side of the end cover (101) matched with the bearing (2) is embedded with a layer of framework oil seal (301);

the specification of the framework oil seal (301) is 95mm x 75mm x 12mm.

6. The direct-connection hydraulically driven screw conveyor according to claim 4, characterized in that one end of the main shaft (4) passes through the end cap (101) and extends outside the end cap (101), the other end of the main shaft (4) passes through the sealing sleeve (102) and extends outside the bearing housing (1);

the main shaft (4) is provided with a matching part (402) matched with the half coupling (401), and the main shaft (4) is in transmission connection with the screw mechanism (12) through the half coupling (401).

7. The direct-connection hydraulically driven screw conveyor according to claim 5, characterized in that the connection of the main shaft (4) with the end cap (101) is provided with a bearing sleeve (202) cooperating with the corresponding bearing (2).

8. The direct-connection hydraulically driven screw conveyor according to claim 4, characterized in that the bearing (2) is of model 7311.