Integrated automatic take-up and pay-off tensioning and winding device

Abstract

The invention relates to the technical field of tensioning devices, and discloses an integrated automatic take-up and pay-off tensioning winding device which comprises a device body, a transmission structure, a guide device and a tensioning winding displacement mechanism are arranged on the device body, the transmission structure comprises a driving support, and a gear motor, a driving shaft and a driven shaft are arranged on the driving support. The driving shaft and the driven shaft are connected with a first driving wheel and a second driving wheel respectively, and a steel wire rope is arranged between the first driving wheel and the second driving wheel. The guide device comprises a fixed frame, and a plurality of guide wheels are arranged at the end part of the fixed frame; the tensioning and wire arranging mechanism comprises a lead screw shaft, a bidirectional pulley device is arranged on the lead screw shaft, the bidirectional pulley device comprises two pulleys, and the steel wire rope penetrates through the two pulleys respectively. According to the invention, a solid wire is dynamically tensioned, and better power output is maintained; meanwhile, equipment faults caused by derailment of the steel wire rope and aggravated abrasion and dynamic fluctuation caused by disordered winding of the steel wire rope are avoided, the structure is ingenious, the function is reliable, and cost is saved.

Description

Technical Field

[0001] The invention relates to the technical field of tensioning devices, and in particular to an integrated automatic wire-retracting and -releasing tensioning and winding device. Background Art

[0002] The tensioning device is a device that generates pre-tension of the conveyor traction parts to ensure their normal operation. Traditional tensioning devices mainly include: heavy hammer tensioning, sliding tensioning, automatic tensioning, spring tensioning, etc. The first three are only suitable for use in large mechanical equipment and are relatively expensive; while the spring tensioning has a limited range of action and may fail when encountering a large force.

[0003] The tensioning device needs to reel in and release the wire, but the existing tensioning device has limited function, cannot automatically arrange the wire, and is prone to looseness. At the same time, the winding mechanism inside the tensioning device on the market is too large and has a complex structure, which is not suitable for use in compact places.

[0004] Therefore, those skilled in the art urgently need to develop an integrated automatic wire-retracting and wire-tensioning winding device. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an integrated automatic wire-retracting and wire-tensioning winding device.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an integrated automatic wire retracting and releasing tensioning and winding device, comprising a device body, on which a transmission structure, a guide device and a tensioning and arranging wire mechanism are provided, the transmission structure comprises a driving bracket connected to the left side of the device body, the driving bracket is provided with a reduction motor, a driving shaft and a driven shaft are rotatably provided on the driving bracket, the reduction motor is transmission-connected to the driving shaft through a coupling, the driving shaft and the driven shaft are transmitted through a chain, the driving shaft is connected to a first driving wheel, the driven shaft is connected to a second driving wheel, the first driving wheel and the second driving wheel are connected to each other A steel wire rope is arranged between the driving wheels, and the winding directions of the steel wire ropes on the first driving wheel and the second driving wheel are opposite; the guiding device comprises a fixed frame, the fixed frame is arranged on the right side of the transmission structure, a plurality of guide wheels are arranged at the end of the fixed frame, and the steel wire rope changes direction through the guide wheels; the tensioning and arranging wire mechanism is arranged between the transmission structure and the guiding device, the tensioning and arranging wire mechanism comprises a screw shaft rotatably arranged on the driving bracket, a bidirectional pulley device is arranged on the screw shaft, and two pulleys placed up and down are arranged on the bidirectional pulley device, and the steel wire ropes on the first driving wheel and the second driving wheel pass through the two pulleys respectively.

[0007] Preferably, the bidirectional pulley device includes a pulley sleeve, both ends of the pulley sleeve are connected to a fixed plate, the two pulleys are located between the two fixed plates, the two ends of the pulley are rotatably connected to the fixed plates through the pulley shaft, and the bidirectional pulley device is mounted on the screw shaft through the pulley sleeve.

[0008] Preferably, two spiral grooves with opposite rotation directions are formed on one side of the screw shaft close to the bidirectional pulley device, and a crescent pin is provided on the inner diameter of the pulley sleeve, and the crescent pin is located in the spiral groove.

[0009] Preferably, two upper and lower sliding grooves are provided on the two fixed plates, the pulley shafts at both ends of the pulley extend out of the adjacent side and the corresponding sliding grooves, and the pulley shafts are slidingly connected to the sliding grooves, and a connecting rod is provided on the side of the sliding groove close to the pulley sleeve, the connecting rod is connected to the fixed plate, and a spring is provided between the pulley shaft and the connecting rod on the adjacent side.

[0010] Preferably, the driving shaft drives the screw shaft to rotate through a chain, and the rotation of the screw shaft drives the bidirectional pulley device to reciprocate.

[0011] Preferably, the driving shaft is fixed by a first bearing seat, the driven shaft is fixed by a second bearing seat, a first sprocket is installed on the driving shaft, a second sprocket is installed on the driven shaft, a third sprocket is installed on the screw shaft, and the chain is connected to the first sprocket, the second sprocket and the third sprocket respectively.

[0012] Preferably, the screw shaft is fixed by a third bearing seat, and the end of the screw shaft is connected with a bearing and a retaining spring.

[0013] Preferably, the steel wire rope is always in a tensioned state between the transmission structure, the guide device and the tensioning and arranging mechanism.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In this device, the tensioning requirements of the retracting and releasing wires and the wire arrangement requirements are summarized into one device. The solid wire is dynamically tightened, and the reduction motor drives the screw shaft to rotate, so that the bidirectional pulley device can reciprocate on the screw shaft, so that the wire rope can be reciprocated and released evenly on the first driving wheel and the second driving wheel. The solid wire is dynamically tightened to maintain better power output, while avoiding equipment failure caused by wire rope derailment, as well as aggravated wear and dynamic fluctuations caused by chaotic wire rope winding;

[0016] Second, in this device, the angles of the two pulleys of the bidirectional pulley device and the fixed shaft are specially designed according to the angles of wire collection and release and the installation position, so that the wire is always in a tensioned state during the wire collection and release process; the device has a reasonable structure, and the tension requirements and wire arrangement requirements of wire collection and release are summarized into one device, which has a clever structure, reliable function and cost saving;

[0017] 3. In this device, when the pulley is guiding the wire rope, due to the fluctuation of the stroke, the pulley is tightened on the upper and lower sides, thereby stretching the spring. At the same time, the spring acts on the pulley in the opposite direction to achieve a force balance between the two, thereby ensuring that the wire rope is always in a taut state. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 for Figure 1 Partial schematic diagram in the middle A direction;

[0020] Figure 3 It is a structural schematic diagram of the screw shaft of the present invention;

[0021] Figure 4 It is a schematic structural diagram of the bidirectional pulley device of the present invention.

[0022] In the figure: 1-reduction motor; 2-driven shaft; 3-driving shaft; 4-first driving wheel; 5-first bearing seat; 6-first sprocket; 7-chain; 8-wire rope; 9-driving bracket; 10-fixed frame; 11-screw shaft; 12-bidirectional pulley device; 13-bearing; 14-circlip; 15-second driving wheel; 16-pulley bushing; 17-fixed plate; 18-pulley; 19-spiral groove; 20-crescent pin; 21-guide wheel; 22-illustrated moving object; 23-slideway; 24-pulley shaft; 25-spring; 26-connecting rod. DETAILED DESCRIPTION

[0023] The present invention is described clearly below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description herein is only used to explain the present invention, but is not intended to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent substitutions, improvements, etc., should be included in the protection scope of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Embodiment 1

[0027] See also Figure 1-Figure 4 The present invention provides a technical solution: an integrated automatic wire retracting and releasing tensioning and winding device, comprising a device body, a transmission structure, a guide device and a tensioning and arranging mechanism on the device body, the transmission structure comprising a driving bracket 9 connected to the left side of the device body, a reduction motor 1 is provided on the driving bracket 9, a driving shaft 3 and a driven shaft 2 are rotatably provided on the driving bracket 9, the reduction motor 1 is transmission-connected to the driving shaft 3 through a coupling, the driving shaft 3 and the driven shaft 2 are transmitted through a chain 7, a first driving wheel 4 is connected to the driving shaft 3, a second driving wheel 15 is connected to the driven shaft 2, a steel wire rope 8 is provided between the first driving wheel 4 and the second driving wheel 15, and a steel wire rope 8 is provided between the first driving wheel 4 and the second driving wheel 15 The winding direction of the wire rope 8 is opposite to that of the wire rope 8; the guiding device includes a fixed frame 10, which is arranged on the right side of the transmission structure, and a plurality of guide wheels 21 are arranged at the end of the fixed frame 10, and the wire rope 8 changes direction through the guide wheels 21; the tensioning and arranging mechanism is arranged between the transmission structure and the guiding device, and the tensioning and arranging mechanism includes a screw shaft 11 rotatably arranged on the driving bracket 9, and a bidirectional pulley device 12 is arranged on the screw shaft 11, and two pulleys 18 placed up and down are arranged on the bidirectional pulley device 12, and the wire rope 8 on the first driving wheel 4 and the second driving wheel 15 respectively passes through the two pulleys 18, and the wire rope 8 is always in a tensioned state between the transmission structure, the guiding device and the tensioning and arranging mechanism.

[0028] Furthermore, the driving shaft 3 is fixed by the first bearing seat 5, the driven shaft 2 is fixed by the second bearing seat, the driving shaft 3 is installed with a first sprocket 6, the driven shaft 2 is installed with a second sprocket, the screw shaft 11 is installed with a third sprocket, the chain 7 is respectively connected to the first sprocket 6, the second sprocket and the third sprocket, the screw shaft 11 is fixed by the third bearing seat, and the end of the screw shaft 11 is connected with a bearing 13 and a retaining spring 14.

[0029] The driving shaft 3 drives the first sprocket 6 to rotate, and the first sprocket 6 drives the second sprocket and the third sprocket to rotate through the chain 7, thereby realizing the rotation of the driven shaft 2 and the screw shaft 11.

[0030] Furthermore, the bidirectional pulley device 12 includes a pulley sleeve 16, both ends of the pulley sleeve 16 are connected to a fixed plate 17, two pulleys 18 are located between the two fixed plates 17, and both ends of the pulley 18 are rotatably connected to the fixed plate 17 through a pulley shaft 24. The bidirectional pulley device 12 is sleeved on the screw shaft 11 through the pulley sleeve 16.

[0031] The angles of the two pulleys 18 of the bidirectional pulley device 12 and the screw shaft 11 are specially designed according to the angles of line collection and line release and the installation position, so that the wire rope 8 can be kept in a taut state during the process of collection and release.

[0032] Embodiment 2

[0033] On the basis of Example 1, two spiral grooves 19 with opposite rotation directions are opened on the side of the screw shaft 11 close to the bidirectional pulley device 12, and a crescent pin 20 is provided on the inner diameter of the pulley sleeve 16. The crescent pin 20 is located in the spiral groove 19. The driving shaft 3 drives the screw shaft 11 to rotate through the chain 7, and the rotation of the screw shaft 11 drives the bidirectional pulley device 12 to reciprocate.

[0034] By rotating the screw shaft 11, the bidirectional pulley device 12 is able to reciprocate on the screw shaft 11, so that the wire rope 8 can be evenly reciprocated and released on the first drive wheel 4 and the second drive wheel 15, and the solid line is dynamically tightened to maintain better power output, while avoiding equipment failure caused by derailment of the wire rope 8, as well as aggravated wear and dynamic fluctuations caused by the chaotic entanglement of the wire rope 8.

[0035] Embodiment 3

[0036] On the basis of the second embodiment, two upper and lower slide grooves 23 are provided on the two fixed plates 17, and the pulley shafts 24 at both ends of the pulley 18 extend out of the adjacent side and the corresponding slide groove 23, and the pulley shaft 24 is slidably connected to the slide groove 23. A connecting rod 26 is provided on the side of the slide groove 23 close to the pulley sleeve 16, and the connecting rod 26 is connected to the fixed plate 17. A spring 25 is provided between the pulley shaft 24 and the connecting rod 26 on the adjacent side. In the initial state, the pulley shaft 24 is located in the middle section of the slide groove 23.

[0037] When the pulley 18 is guiding the wire rope 8, due to the fluctuation of the stroke, the pulley 18 is tightened to the upper and lower sides, thereby stretching the spring 25. At the same time, the spring 25 acts on the pulley 18 in the opposite direction to achieve a force balance between the two, thereby ensuring that the wire rope 8 is always in a tensioned state.

[0038] Working principle of the present invention: When the present invention is in use, the staff starts the reduction motor 1, and the reduction motor 1 drives the driving shaft 3 to rotate through the coupling, and the driving shaft 3 drives the driven shaft 2 and the screw shaft 11 to rotate through the chain 7. The rotation directions of the driving shaft 3 and the driven shaft 2 are the same, but the winding directions of the wire rope 8 on the first driving wheel 4 and the second driving wheel 15 are opposite, so that the first driving wheel 4 is tightened and the second driving wheel 15 is loosened to realize the movement of the wire rope 8; while the wire rope 8 moves, the rotation of the screw shaft 11 drives the bidirectional pulley device 12 to reciprocate, so that the wire rope 8 is reciprocated and evenly wound and released on the first driving wheel 4 and the second driving wheel 15, thereby realizing dynamic tensioning of the wire rope 8.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An integrated automatic wire-reeling and wire-tensioning winding device, comprising a device body, characterized in that: The device body is provided with a transmission structure, a guide device and a tensioning and arranging mechanism, the transmission structure comprises a driving bracket (9) connected to the left side of the device body, the driving bracket (9) is provided with a reduction motor (1), a driving shaft (3) and a driven shaft (2) are rotatably provided on the driving bracket (9), the reduction motor (1) is transmission-connected to the driving shaft (3) through a coupling, the driving shaft (3) and the driven shaft (2) are transmission-connected through a chain (7), the driving shaft (3) is connected with a first driving wheel (4), the driven shaft (2) is connected with a second driving wheel (15), a steel wire rope (8) is provided between the first driving wheel (4) and the second driving wheel (15), and the winding directions of the steel wire rope (8) on the first driving wheel (4) and the second driving wheel (15) are opposite; The guide device comprises a fixed frame (10), the fixed frame (10) is arranged on the right side of the transmission structure, a plurality of guide wheels (21) are arranged at the end of the fixed frame (10), and the steel wire rope (8) changes direction through the guide wheels (21); The tensioning and arranging wire mechanism is arranged between the transmission structure and the guide device, and comprises a screw shaft (11) rotatably arranged on a driving bracket (9), a bidirectional pulley device (12) is arranged on the screw shaft (11), and two pulleys (18) are arranged one above the other on the bidirectional pulley device (12), and the steel wire ropes (8) on the first driving wheel (4) and the second driving wheel (15) pass through the two pulleys (18) respectively.

2. The integrated automatic wire-retracting and -releasing tensioning and winding device according to claim 1 is characterized in that: The bidirectional pulley device (12) comprises a pulley sleeve (16), both ends of the pulley sleeve (16) are connected to a fixed plate (17), two pulleys (18) are located between the two fixed plates (17), and both ends of the pulley (18) are rotatably connected to the fixed plate (17) through a pulley rotating shaft (24), and the bidirectional pulley device (12) is sleeved on the screw shaft (11) through the pulley sleeve (16).

3. The integrated automatic wire-retracting and -releasing tensioning and winding device according to claim 2 is characterized in that: Two spiral grooves (19) with opposite rotation directions are formed on one side of the screw shaft (11) close to the bidirectional pulley device (12); a crescent pin (20) is provided on the inner diameter of the pulley sleeve (16); and the crescent pin (20) is located in the spiral groove (19).

4. The integrated automatic wire-retracting and -releasing tensioning and winding device according to claim 2 is characterized in that: The two fixing plates (17) are each provided with two sliding grooves (23) arranged up and down, the pulley shafts (24) at both ends of the pulley (18) extend out of the corresponding sliding grooves (23) on the adjacent side, and the pulley shafts (24) are slidably connected to the sliding grooves (23), and a connecting rod (26) is provided on one side of the sliding groove (23) close to the pulley sleeve (16), and the connecting rod (26) is connected to the fixing plate (17), and a spring (25) is provided between the pulley shaft (24) and the connecting rod (26) on the adjacent side.

5. The integrated automatic wire-retracting and -releasing tensioning and winding device according to claim 3 is characterized in that: The driving shaft (3) drives the screw shaft (11) to rotate via the chain (7), and the rotation of the screw shaft (11) drives the bidirectional pulley device (12) to perform reciprocating motion.

6. The integrated automatic wire-retracting and -releasing tensioning and winding device according to claim 2 is characterized in that: The driving shaft (3) is fixed by a first bearing seat (5), the driven shaft (2) is fixed by a second bearing seat, a first sprocket (6) is mounted on the driving shaft (3), a second sprocket is mounted on the driven shaft (2), a third sprocket is mounted on the screw shaft (11), and the chain (7) is respectively connected to the first sprocket (6), the second sprocket and the third sprocket.

7. The integrated automatic wire-retracting and -releasing tensioning and winding device according to claim 6 is characterized in that: The screw shaft (11) is fixed by means of a third bearing seat, and the end of the screw shaft (11) is connected with a bearing (13) and a retaining spring (14).

8. The integrated automatic wire-retracting and -releasing tensioning and winding device according to claim 1 is characterized in that: The steel wire rope (8) is always in a tensioned state between the transmission structure, the guide device and the tensioning and arranging mechanism.

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