Rubber pipe winding and unwinding device

Abstract

The invention discloses a rubber pipe winding and unwinding device which comprises a rubber pipe 1, a winding drum assembly 2, a supporting frame assembly 3, a transmission assembly 4 and a spring assembly 5. The rubber tube 1 is wound on the winding drum assembly 2, the winding drum assembly 2 is fixed on the supporting frame assembly 3, and the transmission assembly 4 and the spring assembly 5 synchronously move to drive the winding drum assembly 2 to pull out or retract the rubber tube 1. And an integral structure is formed. The supporting frame assembly 3 is installed on a fixed device, one end of the rubber pipe 1 is wound around the winding drum assembly 2, the other end of the rubber pipe 1 is connected with a movable device, and compressed air is conveyed in the rubber pipe 1 and used as a hinge joint and a front-back gap bridge of the fixed device and the movable device, so that the fixed device and the movable device move in the opposite or opposite directions. And meanwhile, the transmission assembly 4 and the spring assembly 5 synchronously move in the same direction or opposite directions.

Description

Technical Field

[0001] The present invention relates to the technical field of dust removal devices for coal mining, and in particular to a rubber tube retracting and releasing device used in conjunction with a ventilation and dust removal device for an underground mining working face in a coal mine. Technical Background

[0002] The Chinese Patent Database has published an invention patent application for an "Automatically Controlled Telescopic Duct System and Operating Method for Coal Mine Underground Ventilation and Dust Control Device," with application number 2023117557286.3, authorization publication number CN117514306 A, application date December 19, 2023, and authorization publication date February 6, 2024. The patentee is Yisde Special Intelligent Equipment (Dalian) Co., Ltd. The invention discloses an automatically controlled telescopic duct system and operating method for coal mine underground ventilation and dust control devices, specifically a telescopic duct system and operating method that is linked to accompanying mining equipment, can automatically control long-distance telescopic movement, and can avoid flipping during mining equipment inspection and maintenance. The system includes a duct towing and moving device, a front end pulley guide and duct support assembly, a retractable duct assembly, a rear end pulley guide and duct support assembly, a tensioning guide rope fixing assembly, a guide rope tension control assembly, a duct lower roller assembly, and an associated control system. The invention also discloses a corresponding operating method. By using the invented automatic control telescopic air duct system and matching it with the underground coal mine excavation and mining equipment for associated operation, the linkage operation between the equipment can be effectively controlled, and the appropriate dust removal position and distance between the dust removal equipment and the excavation equipment can be ensured, which facilitates the inspection and maintenance of the equipment and realizes the automatic operation of the equipment during the dust removal process.

[0003] The above invention only proposes the invention ideas and operation methods, and does not show the substantive content of the relevant components. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem of the air duct towing mobile device in the above invention and to provide a rubber tube retracting and releasing device.

[0005] The present invention provides a rubber hose retracting and releasing device, comprising a rubber hose 1, a reel assembly 2, a support frame assembly 3, a transmission assembly 4, and a spring assembly 5. The rubber hose 1 is wound around the reel assembly 2, which is fixed to the support frame assembly 3. The transmission assembly 4 and the spring assembly 5 move synchronously to drive the reel assembly 2 to pull out or retract the rubber hose 1, forming an integrated structure.

[0006] The present invention is a rubber tube retracting and releasing device, in which a support frame assembly 3 is installed on a fixed device, one end of the rubber tube 1 is wound on a reel assembly 2, and the other end of the rubber tube 1 is connected to a moving device. Compressed air is transmitted in the rubber tube 1, which serves as a hinge and a front and rear bridge between the fixed device and the moving device, so that the fixed device and the moving device move in opposite directions, and at the same time, the transmission assembly 4 and the spring assembly 5 move in opposite directions synchronously.

[0007] The rubber tube 1 of the rubber tube retracting and releasing device comprises an air inlet and an air outlet at both ends, and the middle portion is wound around the reel assembly 2 .

[0008] The reel assembly 2 of the rubber tube retracting and unreeling device comprises side plates 2a at both ends and an inner tube 2b.

[0009] The support frame assembly 3 of the rubber tube retracting and releasing device comprises support plates 3a at both ends, reinforcing ribs 3b, and a mounting base plate 3c.

[0010] The transmission assembly 4 of the rubber tube retracting and releasing device comprises at least a large gear 4a, a small gear 4b, a rotating tube 4c, an end cover 4d, a right bearing seat 4e, a left bearing 4f, a sealing ring 4g, a right bearing 4h, a right bearing seat 4i, a branch pipe 4j, and an external pipe 4k. The connecting pipe 4k is connected to the end cover 4l as a whole and is fixed to the left bearing seat 4i with bolts.

[0011] The spring assembly 5 of the rubber tube retracting and releasing device comprises at least an outer tube 5a, a left side plate 5b, a left bearing seat 5c, a left bearing 5d, a left sealing ring 5e, a main shaft 5f, a brake 5l, a scroll spring 5g, a right side plate 5h, a right bearing seat 5i, a right bearing 5j, a right sealing ring 5k, a locking plate 5m, a locking pin 5n, and a fixing plate 5p. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a typical structural diagram of a rubber tube retracting and releasing device according to the present invention.

[0013] Figure 2 A rubber tube retracting and releasing device of the present invention Figure 1 Typical structural diagram of the spring assembly 5 in FIG. Specific implementation methods

[0014] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the embodiments described herein are only intended to explain the present invention and are not intended to limit the present invention. These drawings are simplified schematic diagrams and only illustrate the basic structure of the present invention in a schematic manner. Therefore, they only show the components related to the present invention.

[0015] Among them, Figure 1 The rubber tube retracting and releasing device comprises at least a rubber tube 1, a reel assembly 2, a support frame assembly 3, a transmission assembly 4, and a spring assembly 5. The reel assembly 2 comprises two end side plates 2a and an inner tube 2b. The support frame assembly 3 comprises two end support plates 3a, reinforcing ribs 3b, and an installation base plate 3c.

[0016] Among them, Figure 1 One end of the rubber tube 1 of the rubber tube retracting device is fixed on the branch tube 4j of the rotating tube 4c and then wound on the reel assembly 2, and the other end is hinged to the mobile device. The rubber tube 1 adopts a 3-turn 3-layer winding method, and the winding method of the rubber tube 1 is not limited.

[0017] Among them, Figure 1 The support frame assembly 3 of the rubber tube retracting and releasing device is mounted on the fixing device by means of bolts or welding.

[0018] Among them, Figure 1 The transmission assembly 4 of the rubber tube retracting and releasing device at least includes a large gear 4a, a small gear 4b, a rotating tube 4c, an end cover 4d, a right bearing seat 4e, a left bearing 4f, a sealing ring 4g, a right bearing 4h, a right bearing seat 4i, a branch pipe 4j, and an external pipe 4k. The external pipe 4k is connected to the end cover 4l as a whole and is fixed to the right bearing seat 4i with bolts. One end of the rotating tube 4c is a sealing structure.

[0019] Among them, Figure 1 The transmission ratio of the large gear 4a and the small gear 4b of the transmission assembly 4 of the rubber tube retracting and releasing device is 1:1, but the transmission ratio is not limited.

[0020] Among them, Figure 1 The support plates 3a at both ends of the support frame assembly 3 of the rubber tube retracting and releasing device are provided with bearing seats 4e, bearings 4f, sealing rings 4f, bearings 4h, and bearing seats 4i. The rotating tube 4c is fixed on the bearing seats 4e, bearings 4f, sealing rings 4f, bearings 4h, and bearing seats 4i. The other end of the rotating tube 4c is fixed to the small gear 4b, and rotates in the same or opposite direction as the large gear 4a.

[0021] Among them, Figure 1The spring assembly 5 of the rubber tube retracting and releasing device at least comprises an outer tube 5a, a left side plate 5b, a left bearing seat 5c, a left bearing 5d, a left sealing ring 5e, a main shaft 5f, a brake 5l, a volute spring 5g, a right side plate 5h, a right bearing seat 5i, a right bearing 5j, a right sealing ring 5k, a locking plate 5m, a locking pin 5n, and a fixed plate 5p; the brake 5l at least comprises an outer gear ring, a flywheel, and a fly claw; the volute spring 5g is at least one, but not limited to one, and the locking plate 5p A number of waist-shaped holes are provided. One end of the main shaft 5f of the spring assembly 5 is fixedly connected to the large gear 4a, and the other end is fixedly connected to the brake 5l and the spiral spring 5g. The two ends of the main shaft 5f of the spring assembly 5 are placed on the left side plate 5b, the left bearing seat 5c, the left bearing 5d, the left sealing ring 5e and the right side plate 5h, the right bearing seat 5i, the right bearing 5j, and the right sealing ring 5k. The spring assembly 5 drives the transmission assembly 4 and the reel assembly 2 to rotate in opposite directions or in opposite directions through the large gear 4a and the small gear 4b.

[0022] Among them, Figure 2 The spring assembly 5 of the rubber tube retracting and releasing device, the brake 5l comprises at least an outer gear ring, a flywheel, and a fly claw, there is at least one spiral spring 5g, the locking plate 5p is provided with a plurality of waist-shaped holes, and may also be provided with a plurality of circular holes, and the fixing plate 5p of the spring assembly 5 is fixed to the side plate 3a at one end with bolts.

[0023] Among them, Figure 2 The brake 51 of the rubber tube retracting and releasing device is at least one flying catch, but is not limited to one flying catch.

[0024] Among them, Figure 2 The fixing plate 5p of the spring assembly 5 of the rubber tube retracting and releasing device is fixed to one side of the support frame assembly 3 by means of bolts or welded thereto.

[0025] Among them, Figure 2 The spring assembly 5 of the rubber tube retracting and releasing device is such that when the rubber tube 1 breaks, the main shaft 5f is accelerated instantaneously under the reaction force, and the driving brake 5l is braked instantaneously, forcing the reel assembly 2 to stop rotating, thereby ensuring the safety of related equipment and surrounding personnel.

[0026] Among them, Figure 2 The spring assembly 5 of the rubber tube retracting and releasing device is configured to set a certain preload on the spiral spring 5g before initial use, and is fixed to the locking pin 5n with a locking plate 5p. The locking pin 5n should be removed after use.

[0027] Among them, Figure 1The rubber tube retracting and releasing device is not limited to the retracting and releasing of the rubber tube 1, and can also be applied to the retracting and releasing of cables and fire hoses.

[0028] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that numerous changes, modifications, substitutions, and alterations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

[0029] The above are only preferred embodiments of the present invention. Of course, other implementations may be developed in other application fields based on actual needs and further exploration. However, it should be clear that variations based on similar implementations or other implementations not described above with the same concept are all included in the scope of protection of the claims of the present invention.

Claims

1. A rubber tube retracting and releasing device, characterized in that: The rubber tube retracting device comprises a rubber tube 1, a reel assembly 2, a support frame assembly 3, a transmission assembly 4, and a spring assembly 5. The rubber tube 1 of the rubber tube retracting device is wound around the reel assembly 2, which is fixed to the support frame assembly 3. The transmission assembly 4 and the spring assembly 5 move synchronously to pull out or retract the reel assembly 2, forming an integral structure. The support frame assembly 3 is installed on a fixed device, one end of the rubber tube 1 is wound around the reel assembly 2, and the other end of the rubber tube 1 is connected to another mobile device. Pressurized air is transmitted in the rubber tube 1, serving as a hinge and a front-rear bridge between the fixed device and the mobile device, allowing the fixed device and the mobile device to move in opposite directions. At the same time, the transmission assembly 4 and the spring assembly 5 move synchronously in opposite directions.

2. A rubber tube retracting and releasing device according to claim 1, characterized in that: One end of the rubber tube 1 is fixed to the branch tube 4k of the rotating tube 4c and then wound on the reel assembly 2. The other end of the rubber tube 1 is hinged to the mobile device. The rubber tube 1 is wound in 3 turns and 3 layers. The winding method of the rubber tube 1 is not limited.

3. The rubber tube retracting and releasing device according to claim 1, characterized in that: The transmission assembly 4 includes a large gear 4a, a small gear 4b, a rotating tube 4c, a sealing plate 4d, a right bearing seat 4e, a right bearing 4f, a sealing ring 4g, a left bearing 4h, a left bearing seat 4i, an end plate 41, and a connecting tube 4k. The transmission ratio of the large gear 4a and the small gear 4b is 1:1, but the transmission ratio is not limited.

4. The rubber tube retracting and releasing device according to claim 1, characterized in that: The support plates 3a at both ends of the support frame assembly 3 include the right bearing seat 4e, right bearing 4f, sealing ring 4g, left bearing 4h, and left bearing seat 4i of the transmission assembly 4. The rotating tube 4c is fixed on the right bearing seat 4e, right bearing 4f, sealing ring 4f, left bearing 4h, and right bearing seat 4i. The other end of the rotating tube 4c is fixedly connected to the small gear 4b and cooperates with the large gear 4a to rotate in the same or opposite directions.

5. The rubber tube retracting and releasing device according to claim 1, characterized in that: The spring assembly 5 at least includes an outer cylinder 5a, a left side plate 5b, a left bearing seat 5c, a left bearing 5d, a left sealing ring 5e, a main shaft 5f, a brake 51, a scroll spring 5g, a right side plate 5h, a right bearing seat 5i, a right bearing 5j, a right sealing ring 5k, a locking plate 5m, a locking pin 5n, and a fixed plate 5p; the brake 51 at least includes an outer gear ring, a flywheel, and a fly claw; the scroll spring 5g is at least one, but not limited to one, and the locking plate 5p is provided. Several waist-shaped holes are provided, one end of the main shaft 5f is fixedly connected to the large gear 4a, and the other end is fixedly connected to the brake 51 and the spiral spring 5g. The two ends of the main shaft 5f are placed on the left side plate 5b, the left bearing seat 5c, the left bearing 5d, the left sealing ring 5e and the right side plate 5h, the right bearing seat 5i, the right bearing 5j, and the right sealing ring 5k. The spring assembly 5 drives the transmission assembly 4 and the reel assembly 2 to rotate in the same or opposite directions through the large gear 4a and the small gear 4b.

6. The rubber tube retracting and releasing device according to claim 1, characterized in that: When the rubber tube 1 breaks, the main shaft 5f of the main spring assembly 5 is accelerated instantaneously under the reaction force, driving the brake 51 to brake instantaneously, forcing the reel assembly 2 and the rubber tube 1 to stop rotating.

7. The rubber tube retracting and releasing device according to claim 1, characterized in that: The rubber tube 1 is wound in 3 layers with 3 turns. The winding method of the rubber tube 1 is not limited.

8. The rubber tube retracting and releasing device according to claim 1, characterized in that: The retraction and extension of the rubber tube 1 is not limited, and the retraction and extension of the cable and the fire hose can also be applied.

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