CN216334772U

CN216334772U - Unidirectional rotation turnabout drum

Info

Publication number: CN216334772U
Application number: CN202122499492.1U
Authority: CN
Inventors: 蔡文科; 王杰男
Original assignee: Hunan Zhenxing Machinery Co ltd
Current assignee: Hunan Zhenxing Machinery Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-19
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to the technical field of turnabout drums, in particular to a unidirectional rotation turnabout drum. The unidirectional rotation bend drum comprises a drum shaft, a drum, a direction control mechanism and a sealing plate, wherein the drum shaft comprises a prismatic section, a cylindrical section and a threaded section, the two ends of the prismatic section are respectively provided with the integrally formed cylindrical section, each cylindrical section is provided with the threaded section, the threaded section is sleeved with a limit sleeve in threaded connection, the drum is erected on the drum shaft, and a plurality of annularly distributed direction limiting strips are fixedly installed on the inner side wall of the drum; the sealing plates are arranged at two ends of the roller and are sleeved on the roller shaft and are rotationally connected with the roller shaft; the direction control mechanism is arranged on the roller shaft. The unidirectional rotation turnabout drum provided by the utility model can prevent the phenomenon of reverse rotation of the conveying belt by limiting the rotation direction of the turnabout drum, and has the advantage of environmental protection.

Description

Unidirectional rotation turnabout drum

Technical Field

The utility model relates to the technical field of turnabout drums, in particular to a unidirectional rotation turnabout drum.

Background

The belt conveyor is a conveying device widely used in industries such as metallurgy, coal, electric power, building materials, chemical engineering, traffic and light industry ports, a bend drum mainly plays a role in changing the trend of a conveying belt or supporting the conveying belt in the belt conveyor, the bend drum is driven by the conveying belt to rotate, when the conveyor is transported obliquely upwards, emergency shutdown is often required in sudden situations in the working process, when the conveyor is shut down, the downward sliding force generated by the dead weight of materials on the conveying belt can drive the conveying belt to move in the opposite direction, and the materials are in an accelerating state in the moving process, so that the reverse direction runaway phenomenon of the conveying belt is finally formed. The tight cylinder in top or pneumatic cylinder are set up to current one-way turnabout drum inside, and it is difficult to let in pipeline and wire inside for processing is difficult, and the structure is complicated, has improved the cylinder cost greatly.

Therefore, it is necessary to provide a new unidirectional rotating direction-changing drum to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the environment-friendly unidirectional rotation bend pulley which can prevent the reverse rotation phenomenon of the conveyer belt by limiting the rotation direction of the bend pulley.

The utility model provides a unidirectional rotation direction-changing drum, comprising:

a drum shaft;

the roller is erected on a roller shaft, and a plurality of annularly distributed direction limiting strips are fixedly arranged on the inner side wall of the roller;

the sealing plates are arranged at two ends of the roller and are sleeved on the roller shaft and are rotatably connected with the roller shaft;

it is characterized by comprising:

and the direction control mechanism is arranged on the roller shaft.

Preferably, the drum shaft comprises a prism section, a cylinder section and a thread section, the two ends of the prism section are provided with the integrally formed cylinder sections, the thread section is arranged on each cylinder section, and the thread section is sleeved with a limit sleeve in threaded connection.

Preferably, the direction control mechanism comprises a sliding sleeve, a sleeve, an insertion rod and a pressure spring, the sliding sleeve is sleeved on a prism section on the roller shaft and is in sliding connection with the prism section, the sleeve is fixedly mounted on the sliding sleeve, the insertion rod in sliding connection is inserted in the sleeve, the pressure spring is connected to the insertion rod in series, one end of the pressure spring is fixedly mounted on the sleeve, and the other end of the pressure spring is fixedly mounted on the insertion rod.

Preferably, the direction control mechanism further comprises a direction control plate, the direction control plate is fixedly mounted on the inserted rod, and the direction control plate is connected with the direction limiting strip in a sliding mode.

Preferably, the sealing plate is fixedly provided with a plurality of limiting rods, and the limiting rods are inserted into through holes formed in two ends of the roller.

Preferably, the outer side of the sealing plate is fixedly provided with a threaded cylinder, and the threaded cylinder is sleeved on the limiting sleeve and is in sliding connection with the limiting sleeve.

Preferably, both ends of the drum shaft are sleeved with threaded sleeves in sliding connection, and the threaded sleeves are wrapped on the threaded cylinders and are in threaded connection with the threaded cylinders.

Preferably, the closing plate is located between the limiting sleeve and the prismatic section.

Compared with the related art, the unidirectional rotating direction-changing drum provided by the utility model has the following beneficial effects:

1. the utility model provides a unidirectional rotation bend drum, when the drum normally rotates, a direction limiting strip slides through a direction control mechanism, and when the drum rotates reversely, the direction limiting strip is limited by the direction control mechanism, and the drum can not rotate any more, so that the phenomenon of reverse rotation of a conveyer belt is prevented, the unidirectional rotation bend drum can be completed without power supply, is relatively environment-friendly, and avoids the occurrence of failure caused by power failure;

2. the sealing plate is easy to disassemble and assemble due to the installation mode between the sealing plate and the roller, and the maintenance of the direction control mechanism is facilitated.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a unidirectional rotating direction-changing drum provided in the present invention;

FIG. 2 is a schematic view showing the construction of the drum shaft shown in FIG. 1;

FIG. 3 is a schematic structural view of the steering mechanism shown in FIG. 1;

fig. 4 is a schematic sectional view of the structure shown in fig. 1.

Reference numbers in the figures: 1. a drum shaft; 11. a prismatic section; 12. a cylindrical section; 13. a threaded segment; 2. a drum; 3. direction limiting strips; 4. a direction control mechanism; 41. a sliding sleeve; 42. a sleeve; 43. inserting a rod; 44. a pressure spring; 45. a direction control plate; 5. closing the plate; 6. a limiting rod; 7. a through hole; 8. a threaded barrel; 9. a threaded sleeve; 9a and a limiting sleeve.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural view of a preferred embodiment of a unidirectional rotating direction-changing drum provided by the present invention; FIG. 2 is a schematic view showing the construction of the drum shaft shown in FIG. 1; FIG. 3 is a schematic structural view of the steering mechanism shown in FIG. 1; fig. 4 is a schematic sectional view of the structure shown in fig. 1. The method comprises the following steps: the device comprises a roller shaft 1, a roller 2, a direction control mechanism 4 and a sealing plate 5.

In the specific implementation process, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the drum 2 is erected on the drum shaft 1, and a plurality of annularly distributed direction-limiting strips 3 are fixedly installed on the inner side wall of the drum 2; the seal plates 5 are arranged at two ends of the roller 2, and the seal plates 5 are sleeved on the roller shaft 1 and are rotatably connected with the roller shaft 1; the direction control mechanism 4 is arranged on the roller shaft 1.

It should be noted that: when the roller 2 normally rotates, the direction limiting strips 3 slide through the direction control mechanism 4, and when the roller 2 rotates reversely, the direction limiting strips 3 are limited by the direction control mechanism 4, the roller 2 can not rotate any more, so that the phenomenon of reverse rotation of the conveying belt is prevented, the reverse rotation can be finished without electrifying, the environment is protected, and the condition that the failure is caused by power failure is avoided; the mounting means between shrouding 5 and cylinder 2 makes shrouding 5 easily dismouting, is favorable to the maintenance of accuse to mechanism 4.

Referring to fig. 1, 2, 3 and 4, the drum shaft 1 includes a prism section 11, a cylinder section 12 and a thread section 13, the two ends of the prism section 11 are respectively provided with the integrally formed cylinder sections 12, each cylinder section 12 is provided with the thread section 13, and the thread section 13 is sleeved with a limit sleeve 9a connected by a thread; the direction control mechanism 4 comprises a sliding sleeve 41, a sleeve 42, an inserting rod 43 and a pressure spring 44, the sliding sleeve 41 is sleeved on the prism section 11 on the drum shaft 1 and is in sliding connection with the prism section 11, the sleeve 42 is fixedly installed on the sliding sleeve 41, the inserting rod 43 in sliding connection is inserted in the sleeve 42, the pressure spring 44 is connected in series on the inserting rod 43, one end of the pressure spring 44 is fixedly installed on the sleeve 42, the other end of the pressure spring 44 is fixedly installed on the inserting rod 43, the direction control mechanism 4 further comprises a direction control plate 45, the direction control plate 45 is fixedly installed on the inserting rod 43, and the direction control plate 45 is in sliding connection with the direction limiting strip 3.

It should be noted that: when cylinder 2 normally rotates, direction limiting strip 3 can slide through direction control plate 45, and is unrestricted, and when cylinder 2 reverses, when direction control plate 45 slided between two direction limiting strips 3, direction control plate 45 injects between two direction limiting strips 3 under the spring action of pressure spring 44, to restrict direction limiting strip 3, make cylinder 2 can't rotate again, prevent the reverse rotation phenomenon of conveyer belt with this, and need not the circular telegram just can accomplish, and is more environmental protection, also avoided leading to the condition of failure because of having a power failure to take place.

Referring to fig. 1, 3 and 4, a plurality of limiting rods 6 are fixedly installed on the sealing plate 5, the limiting rods 6 are inserted into through holes 7 formed in two ends of the drum 2, a threaded cylinder 8 is fixedly installed on the outer side of the sealing plate 5, the threaded cylinder 8 is sleeved on a limiting sleeve 9a and is in sliding connection with the limiting sleeve 9a, threaded sleeves 9 in sliding connection are sleeved on two ends of the drum shaft 1, and the threaded sleeves 9 are wrapped on the threaded cylinders 8 and are in threaded connection with the threaded cylinders 8.

Wherein, the closing plate 5 is positioned between the limiting sleeve 9a and the prismatic section 11.

It should be noted that: during the installation, on 5 covers the drum shaft 1 with the shrouding, be located the cylinder section 12 of drum shaft 1, revolve drum shaft 1 with stop collar 9a again on, restrict 5 limits between stop collar 9a and prismatic section 11 with shrouding, overlap 9 threaded sleeve on drum shaft 1 to on revolving threaded sleeve 8, accomplish the installation, the dismouting is convenient, is favorable to the maintenance of accuse to mechanism 4.

The working principle of the unidirectional rotation turnabout drum provided by the utility model is as follows:

when the roller 2 normally rotates, the direction limiting strips 3 can slide through the direction limiting plates 45 without being limited, and when the roller 2 rotates reversely and the direction limiting plates 45 slide between the two direction limiting strips 3, the direction limiting plates 45 are inserted between the two direction limiting strips 3 under the action of the elastic force of the pressure springs 44 to limit the direction limiting strips 3, so that the roller 2 cannot rotate any more, the phenomenon of reverse rotation of the conveying belt is prevented, the operation can be finished without power supply, the environment is protected, and the condition that the failure is caused by power failure is avoided; during the installation, on 5 covers the drum shaft 1 with the shrouding, be located the cylinder section 12 of drum shaft 1, revolve drum shaft 1 with stop collar 9a again on, restrict 5 limits between stop collar 9a and prismatic section 11 with shrouding, overlap 9 threaded sleeve on drum shaft 1 to on revolving threaded sleeve 8, accomplish the installation, the dismouting is convenient, is favorable to the maintenance of accuse to mechanism 4.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A unidirectional rotating direction-changing drum comprising:

a drum shaft (1);

the roller (2) is erected on the roller shaft (1), and a plurality of annularly distributed direction limiting strips (3) are fixedly arranged on the inner side wall of the roller (2);

the sealing plates (5) are installed at two ends of the roller (2), and the sealing plates (5) are sleeved on the roller shaft (1) and are rotatably connected with the roller shaft (1);

it is characterized by comprising:

the direction control mechanism (4), the direction control mechanism (4) is installed on the roller shaft (1).

2. The unidirectional rotation bend drum according to claim 1, wherein the drum shaft (1) comprises a prism section (11), a cylinder section (12) and a thread section (13), the two ends of the prism section (11) are respectively provided with the integrally formed cylinder section (12), the thread section (13) is arranged on each section of the cylinder section (12), and the thread section (13) is sleeved with a limit sleeve (9a) in threaded connection.

3. The unidirectional rotation bend drum according to claim 1, wherein the direction control mechanism (4) comprises a sliding sleeve (41), a sleeve (42), an insertion rod (43) and a pressure spring (44), the sliding sleeve (41) is sleeved on the prism section (11) on the drum shaft (1) and is in sliding connection with the prism section (11), the sleeve (42) is fixedly installed on the sliding sleeve (41), the insertion rod (43) in sliding connection is inserted in the sleeve (42), the pressure spring (44) is connected in series on the insertion rod (43), one end of the pressure spring (44) is fixedly installed on the sleeve (42), and the other end of the pressure spring (44) is fixedly installed on the insertion rod (43).

4. The unidirectional rotating direction-changing drum as claimed in claim 3, wherein the direction control mechanism (4) further comprises a direction control plate (45), the direction control plate (45) is fixedly installed on the inserting rod (43), and the direction control plate (45) is connected with the direction limiting strips (3) in a sliding mode.

5. The unidirectional rotation bend drum as claimed in claim 1, wherein a plurality of limiting rods (6) are fixedly mounted on the sealing plate (5), and the limiting rods (6) are inserted into through holes (7) formed in two ends of the drum (2).

6. The unidirectional rotation turnabout drum as claimed in claim 2, wherein a threaded cylinder (8) is fixedly mounted on the outer side of the sealing plate (5), and the threaded cylinder (8) is sleeved on the limiting sleeve (9a) and is connected with the limiting sleeve (9a) in a sliding manner.

7. The unidirectional rotation bend pulley according to claim 1, characterized in that the two ends of the pulley shaft (1) are sleeved with the thread sleeves (9) which are connected in a sliding manner, and the thread sleeves (9) are covered on the thread cylinders (8) and are in threaded connection with the thread cylinders (8).

8. Unidirectional rotating turnabout drum according to claim 2, characterized in that said closing plate (5) is located between the stop collar (9a) and the prismatic section (11).