A cable pay-off device

Abstract

The present application relates to cable pay-off technology field, specifically to a kind of cable pay-off device, including underframe, the one side of the upper end surface of underframe is provided with the support mechanism for supporting cable reel, support mechanism includes the main shaft for supporting cable reel, the both ends of main shaft are equipped with the door frame connected with underframe, two door frames are symmetrically arranged, door frame is equipped with the support frame for limiting support main shaft, the other side of the upper end surface of underframe is provided with the traction mechanism for driving cable on cable reel travel, traction mechanism includes the horizontal machine case installed on underframe, horizontal machine case is provided with the conveying path for cable transmission, the both ends of conveying path are respectively provided with first traction group and second traction group, first traction group and second traction group are all equipped with two up and down horizontally arranged traction wheels.The present application improves pay-off efficiency.

Description

Technical Field

[0001] This invention relates to the field of cable laying technology, and more particularly to a cable laying device. Background Technology

[0002] In the field of power construction, cable laying operations often require the erection and support of large cable reels before cable laying can proceed. Currently, at construction sites, for cable reels that are heavy and large in size, traditional operations heavily rely on forklifts or cranes to transport and hoist them onto supports, followed by manual dragging for cable laying. This manual dragging method is slow and its efficiency needs improvement. Summary of the Invention

[0003] In view of this, the purpose of the present invention is to provide a cable laying device to solve the problem of the need to improve the laying efficiency.

[0004] To achieve the above objectives, the present invention provides a cable laying device, comprising a base frame. A support mechanism for supporting a cable reel is provided on one side of the upper end face of the base frame. The support mechanism includes a main shaft for supporting the cable reel. Both ends of the main shaft are fitted with portal frames connected to the base frame. The two portal frames are symmetrically arranged, and support brackets for supporting the main shaft are mounted on the portal frames. A traction mechanism for driving the cable laying on the cable reel is provided on the other side of the upper end face of the base frame. The traction mechanism includes a horizontal housing mounted on the base frame. A transmission path for cable transmission is provided on the horizontal housing. A first traction group and a second traction group are respectively provided at both ends of the transmission path. Each of the first and second traction groups has two horizontally arranged traction wheels, and each of the two horizontally arranged traction wheels has a gear, which meshes with each other. A drive component for controlling the rotation of the traction wheels is provided inside the horizontal housing.

[0005] Optionally, a limiting component is installed on the conveying path. The limiting component includes a through sleeve installed on the upper end face of the horizontal chassis. A rotating inner cylinder is rotatably connected coaxially inside the through sleeve. Multiple mating grooves are opened circumferentially on the inner wall of the rotating inner cylinder. A mating slider is provided on the inner side wall of the mating groove. A transmission ball is mated in the mating groove. A first annular groove is opened on the outer side of the transmission ball to slide and engage with the mating slider. The transmission ball is driven to rotate by the spherical friction between the transmission cable and the transmission ball, which in turn assists the transmission cable to move along the axis of the rotating inner cylinder.

[0006] Optionally, an outer limiting ring is provided on the outer side of the rotating inner cylinder, and an annular limiting groove is provided on the inner side wall of the through sleeve to cooperate with the outer limiting ring. Multiple slots are equally spaced at the bottom of the annular limiting groove, and a placement groove is provided on the outer side wall of the outer limiting ring. A sliding block is slidably connected in the placement groove. One side of the sliding block is connected to the bottom of the placement groove by an elastic spring, and a clamping head that cooperates with the slot is installed on the other side of the sliding block.

[0007] Optionally, connecting blocks are fixedly installed on both inner side walls of the opening of the placement slot, and an extension opening for the card head to extend is provided between the two connecting blocks. A compression spring is connected between the connecting block and the sliding block.

[0008] Optionally, the driving component includes a drive motor disposed in the horizontal chassis, the output end of the drive motor is connected to a reduction gearbox via a first coupling, and the output end of the reduction gearbox is connected to one of two horizontally arranged traction wheels via a second coupling.

[0009] Optionally, blocks restricting cable movement are provided on both sides of the transmission path, and a transmission roller is provided on one side of each of the two blocks facing each other.

[0010] Optionally, a guide frame mounted on the base frame is provided between the support mechanism and the traction mechanism, and a rotatable guide wheel for cable conduction is mounted on the guide frame.

[0011] Optionally, the guide wheel is provided with a guide groove for cable conduction. The guide groove includes a constant width section and a gradually changing section connected to the constant width section. The gradually changing section is located closer to the support mechanism than the constant width section. The groove width of the gradually changing section gradually decreases along the groove extension direction. The end of the gradually changing section with the smaller groove width is connected to the constant width section.

[0012] Optionally, a movable component is fixedly installed on the base frame. The movable end of the movable component is connected to the guide frame. The movable component is used to control the guide frame to reciprocate along the cable conveying direction. The movable component can be a movable cylinder. The movable end of the movable cylinder extends and retracts to control the guide frame to reciprocate along the cable conveying direction.

[0013] Optionally, a braking mechanism is installed at one end of the main shaft. The braking mechanism includes a ratchet fixedly installed on the outside of the main shaft and rotating synchronously with the main shaft. A connecting frame fixedly installed on a support frame is provided on the front side of the ratchet end face. A pawl is rotatably connected to the connecting frame. The pawl is located on one side of the ratchet and can mesh with the ratchet teeth of the ratchet. A groove is opened on the side wall of the pawl away from the ratchet. An elastic damper is fixedly provided on the connecting frame. A damping head is provided on the elastic damper. The damping head can be movably engaged in the groove. The elastic damper applies a preload force towards the ratchet to the pawl through the damping head.

[0014] The beneficial effects of the present invention are as follows: The cable laying device provided by the present invention allows for the laying of cables on a cable reel. When it is necessary to lay cables on a cable reel, the main shaft passes through the cable reel and is fixedly connected to the cable reel. The support mechanism is used to support the cable reel. The cable on the cable reel passes through two traction wheels of the first traction group and two traction wheels of the second traction group. The drive unit is activated to drive the traction wheels to rotate. The traction wheels facilitate the pulling of the cable, which facilitates the laying of cables on the cable reel and improves the laying efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 for Figure 1 Enlarged structural diagram at point A; Figure 3 This is a schematic diagram of the cable feeding device with cable reel of the present invention; Figure 4 This is a partial structural schematic diagram of the braking mechanism of the present invention; Figure 5 This is a schematic diagram of the structure of the limiting component of the present invention; Figure 6 This is a schematic diagram of the rotating inner cylinder of the present invention; Figure 7 This is a schematic diagram of the through-sleeve structure of the present invention.

[0017] In the diagram: 1. Traction mechanism; 101. Horizontal housing; 102. Traction wheel; 103. Limiting component; 104. Through sleeve; 105. Annular limiting groove; 106. Slot; 107. Rotating inner cylinder; 108. Outer limiting ring; 109. Placement groove; 110. Clamp head; 111. Second annular slide groove; 112. Annular slider; 113. Transmission ball; 114. Mating groove; 115. First annular slide groove; 2. Base frame; 3. Main shaft; 4. Portal frame; 5. Column; 6. Lifting cylinder; 7. Support frame; 8. Support wheel; 9. Ratchet; 10. Connecting frame; 11. Pawl; 12. Elastic damping; 13. Cable reel; 14. Guide wheel. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0019] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this invention should have the ordinary meaning understood by those skilled in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] like Figures 1 to 7As shown, a cable laying device includes a base frame 2. A support mechanism for supporting a cable reel 13 is provided on one side of the upper end face of the base frame 2. The support mechanism includes a main shaft 3 for supporting the cable reel 13. Both ends of the main shaft 3 are equipped with portal frames 4 connected to the base frame 2. The two portal frames 4 are symmetrically arranged. A support frame 7 for supporting the main shaft 3 is installed on the portal frames 4. A traction mechanism 1 for driving the cable on the cable reel 13 is provided on the other side of the upper end face of the base frame 2. The traction mechanism 1 includes a horizontal housing 101 installed on the base frame 2. A transmission path for cable transmission is provided on the horizontal housing 101. A first traction group and a second traction group are respectively provided at both ends of the transmission path. Two traction wheels 102 are arranged vertically and horizontally on both the first traction group and the second traction group. Gears are provided on both vertically arranged traction wheels 102, and the two gears mesh with each other. A drive component for controlling the rotation of the traction wheels 102 is provided inside the horizontal housing 101.

[0021] When it is necessary to lay the cable on the cable reel 13, the main shaft 3 passes through the cable reel 13 and is fixedly connected to the cable reel 13. The support mechanism is used to support the cable reel 13. The cable on the cable reel 13 passes through the two traction wheels 102 of the first traction group and the two traction wheels 102 of the second traction group. The drive unit is started to drive the traction wheels 102 to rotate. The traction wheels 102 can easily pull the cable, which facilitates the laying of the cable on the cable reel 13 and improves the laying efficiency.

[0022] A limiting component 103 is installed on the conveying path. The limiting component 103 includes a through sleeve 104 installed on the upper end face of the horizontal housing 101. A rotating inner cylinder 107 is rotatably connected coaxially inside the through sleeve 104. The inner wall of the rotating inner cylinder 107 is provided with a plurality of mating grooves 114 along the circumferential direction. A mating slider is provided on the inner side wall of the mating groove 114. A transmission ball 113 is mated inside the mating groove 114. A first annular groove 115 is provided on the outer side of the transmission ball 113 to slide and engage with the mating slider. The mating slider is used to limit the revolution and tilting swing of the transmission ball 113 around the axis of the rotating inner cylinder 107. The transmission ball 113 is driven to rotate by the spherical friction between the transmission cable and the transmission ball 113, and the transmission cable is moved along the axis of the rotating inner cylinder 107.

[0023] The inner wall of the rotating inner cylinder 107 is provided with a rotating shaft at equal angles along the circumference. The transmission ball 113 is provided with a through hole for the rotating shaft to pass through. The rotating shaft is arranged parallel to the tangent of the outer wall of the rotating inner cylinder 107. When the transmission cable enters the rotating inner cylinder 107, the transmission ball 113 rotates under the drive of the transmission cable. At this time, the rotating transmission ball 113 facilitates the movement of the auxiliary cable along the axial direction of the rotating inner cylinder 107.

[0024] An outer limiting ring 108 is provided on the outer side of the rotating inner cylinder 107. An annular limiting groove 105 is provided on the inner side wall of the through sleeve 104, which cooperates with the outer limiting ring 108. A plurality of slots 106 are evenly spaced at the bottom of the annular limiting groove 105. A placement groove 109 is provided on the outer side wall of the outer limiting ring 108. A sliding block is slidably connected in the placement groove 109. One side of the sliding block is connected to the bottom of the placement groove 109 by an elastic spring. A locking head 110 is installed on the other side of the sliding block, which cooperates with the slot 106. If the cable is twisted, it enters the rotating inner cylinder 107. Since the transmission ball 113 can only rotate to move the cable along the axis of the rotating inner cylinder 107, the twisted cable drives the rotating inner cylinder 107 to rotate. The faster the rotating inner cylinder 107 rotates, the greater the centrifugal force of the clamp 110, causing the clamp 110 to extend out of the placement groove 109 and engage with the clamp groove 106, thus braking the rotating inner cylinder 107 and preventing it from continuing to rotate and thus twisting the cable. This allows the cable to release the torsional force and prevents it from continuing to twist.

[0025] The annular limiting groove 105 has a second annular sliding groove 111 on its side wall, and the outer limiting ring 108 has an annular slider 112 that cooperates with the second annular sliding groove 111 on its side wall, so as to restrict the rotation of the rotating inner cylinder 107 and prevent the rotating inner cylinder 107 from deflecting.

[0026] Connecting blocks are fixedly installed on both sides of the opening of the placement groove 109. An extension opening for the extension of the clamping head 110 is provided between the two connecting blocks. A compression spring is connected between the connecting block and the sliding block. The compression spring is designed so that the clamping head 110 is still in the placement groove 109 when the centrifugal force is low, reducing excessive clamping head 110 and clamping groove 106 engagement.

[0027] A lifting component is installed on the portal frame 4. The support frame 7 is connected to the portal frame 4 through the lifting component. The lifting end of the lifting component is connected to the support frame 7. The support frame 7 is provided with two horizontally arranged support wheels 8. The upper ends of the two support wheels 8 support the main shaft 3. A column 5 is connected to the portal frame 4. A limiting hole for the column 5 to pass through is opened on the support frame 7. The lifting component is a lifting cylinder 6. The telescopic end of the lifting cylinder 6 is connected to the support frame 7. The telescopic extension of the lifting cylinder 6 is used to control the lifting of the support frame 7, thereby controlling the lifting of the main shaft 3 and the cable reel 13.

[0028] The driving component includes a drive motor installed in the horizontal housing 101. The output end of the drive motor is connected to a reduction gearbox via a first coupling. The output end of the reduction gearbox is connected to one of the two horizontally arranged traction wheels 102 via a second coupling. When the drive motor starts, it drives one of the two horizontally arranged traction wheels 102 to rotate. Then, the two horizontally arranged traction wheels 102 rotate in opposite directions through the meshing of two gears to transmit the cable, which facilitates the cable laying operation.

[0029] Both sides of the transmission path are equipped with blocks to restrict cable movement, and each of the two blocks is equipped with a transmission roller on the side facing each other to facilitate cable transmission.

[0030] A guide frame mounted on the base frame 2 is provided between the support mechanism and the traction mechanism 1. A rotatable guide wheel 14 for cable conduction is mounted on the guide frame.

[0031] The guide wheel 14 is provided with a guide groove for cable conduction. The guide groove includes a constant width section and a gradually changing section connected to the constant width section. The gradually changing section is located closer to the support mechanism than the constant width section. The groove width of the gradually changing section gradually decreases along the groove extension direction. The end of the gradually changing section with the smaller groove width is connected to the constant width section to facilitate cable conduction.

[0032] A movable component is fixedly installed on the base frame 2. The movable end of the movable component is connected to the guide frame. The movable component is used to control the guide frame to move back and forth along the cable conveying direction. The movable component can be a movable cylinder. The extension and retraction of the movable end of the movable cylinder is used to control the guide frame to move back and forth along the cable conveying direction, which facilitates the adjustment of the cable tension. When the tension of the conveyed cable is relatively large, the movable cylinder can be extended to drive the guide frame to move towards the traction mechanism 1 to reduce the cable tension. When it is necessary to increase the tension of the conveyed cable, the movable cylinder can be retracted to drive the guide frame to move towards the support mechanism, which facilitates the cable tension to be increased by pressing the cable through the guide wheel 14.

[0033] A braking mechanism is installed at one end of the main shaft 3. The braking mechanism includes a ratchet 9 fixedly installed on the outside of the main shaft 3 and rotating synchronously with the main shaft 3. A connecting frame 10 fixedly installed on the support frame 7 is provided on the front side of the end face of the ratchet 9. A pawl 11 is rotatably connected to the connecting frame 10. The pawl 11 is located on one side of the ratchet 9 and can mesh with the ratchet teeth of the ratchet 9. A groove is opened on the side wall of the pawl 11 away from the ratchet 9. An elastic damper 12 is fixedly provided on the connecting frame 10. A damping head is provided on the elastic damper 12. The damping head can be movably locked in the groove. The elastic damper 12 applies a pre-tightening force toward the ratchet 9 to the pawl 11 through the damping head.

[0034] The ratchet 9 and pawl 11 work together to achieve one-way braking of the main shaft 3. When the cable is being unloaded, the main shaft 3 can rotate freely in the forward direction. When the cable is pulled back in the opposite direction and the cable reel 13 tends to reverse, the pawl 11 engages with the ratchet teeth of the ratchet 9, locking the main shaft 3 and reducing the probability of cable tangling or loosening. In addition, the damping head engages with the groove of the pawl 11, which not only provides lateral limit to the pawl 11 to prevent it from vibrating, shifting, or dislodging, but also provides a stable preload through the elastic damping 12 to buffer the impact between the pawl 11 and the ratchet 9, suppress the pawl 11 from jumping, and improve braking stability.

[0035] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the invention is limited to these examples. The invention is not limited to the above-described embodiments, that is, it does not mean that the invention must rely on the above methods and structures to be implemented. Under the concept of the invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in the details for the sake of brevity.

[0036] The embodiments of this invention are intended to cover all such substitutions, modifications, and variations falling within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the scope of protection of this invention.

Claims

1. A cable laying device, comprising a base frame (2), characterized in that, A support mechanism for supporting the cable reel (13) is provided on one side of the upper end face of the base frame (2). The support mechanism includes a main shaft (3) for supporting the cable reel (13). Both ends of the main shaft (3) are equipped with portal frames (4) connected to the base frame (2). The two portal frames (4) are symmetrically arranged. A support frame (7) for supporting the main shaft (3) is installed on the portal frame (4). A traction mechanism (1) for driving the cable on the cable reel (13) to travel and lay out is provided on the other side of the upper end face of the base frame (2). The mechanism (1) includes a horizontal chassis (101) mounted on the base frame (2). The horizontal chassis (101) is provided with a transmission path for cable transmission. A first traction group and a second traction group are respectively provided at both ends of the transmission path. The first traction group and the second traction group are each provided with two traction wheels (102) arranged horizontally. The two traction wheels (102) arranged vertically are each provided with gears, and the two gears mesh with each other. The horizontal chassis (101) is provided with a drive component for controlling the rotation of the traction wheels (102).

2. The cable laying device according to claim 1, characterized in that, A limiting component (103) is installed on the conveying path. The limiting component (103) includes a through sleeve (104) installed on the upper end face of the horizontal housing (101). A rotating inner cylinder (107) is coaxially rotatably connected inside the through sleeve (104). A plurality of mating grooves (114) are opened circumferentially on the inner wall of the rotating inner cylinder (107). A mating slider is provided on the inner side wall of the mating groove (114). A transmission ball (113) is mated inside the mating groove (114). A first annular groove (115) is opened on the outer side of the transmission ball (113) and slides with the mating slider. The transmission ball (113) is driven to rotate by the spherical friction between the transmission cable and the transmission ball (113) and assists the transmission cable to move along the axis of the rotating inner cylinder (107).

3. The cable laying device according to claim 2, characterized in that, An outer limiting ring (108) is provided on the outer side of the rotating inner cylinder (107). An annular limiting groove (105) is provided on the inner side wall of the through sleeve (104) to cooperate with the outer limiting ring (108). Multiple slots (106) are equally spaced at the bottom of the annular limiting groove (105). A placement groove (109) is provided on the outer side wall of the outer limiting ring (108). A sliding block is slidably connected in the placement groove (109). One side of the sliding block is connected to the bottom of the placement groove (109) by an elastic spring. A clamping head (110) is installed on the other side of the sliding block to cooperate with the slot (106).

4. The cable laying device according to claim 3, characterized in that, Connecting blocks are fixedly installed on both sides of the opening of the placement groove (109). An extension opening for the card head (110) to extend is provided between the two connecting blocks. A compression spring is connected between the connecting block and the sliding block.

5. A cable laying device according to claim 1, characterized in that, The driving component includes a drive motor disposed in the horizontal housing (101), the output end of the drive motor is connected to a reduction gearbox via a first coupling, and the output end of the reduction gearbox is connected to one of two horizontally arranged traction wheels (102) via a second coupling.

6. The cable laying device according to claim 1, characterized in that, Both sides of the transmission path are provided with blocks to restrict the movement of the cable, and each of the two blocks is provided with a transmission roller on the side facing each other.

7. A cable laying device according to claim 1, characterized in that, A guide frame is provided between the support mechanism and the traction mechanism (1) and is mounted on the base frame (2). A rotatable guide wheel (14) for cable conduction is mounted on the guide frame.

8. A cable laying device according to claim 7, characterized in that, The guide wheel (14) is provided with a guide groove for cable conduction. The guide groove includes a constant width section and a gradual section connected to the constant width section. The gradual section is located closer to the support mechanism than the constant width section. The groove width of the gradual section gradually decreases along the groove extension direction. The end of the gradual section with the smaller groove width is connected to the constant width section.

9. A cable laying device according to claim 7, characterized in that, A movable component is fixedly installed on the base frame (2). The movable end of the movable component is connected to the guide frame. The movable component is used to control the guide frame to move back and forth along the cable transmission direction. The movable component can be a movable cylinder. The movable end of the movable cylinder extends and retracts to control the guide frame to move back and forth along the cable transmission direction.

10. A cable laying device according to claim 1, characterized in that, A braking mechanism is installed at one end of the main shaft (3). The braking mechanism includes a ratchet (9) fixedly installed on the outside of the main shaft (3) and rotating synchronously with the main shaft (3). A connecting frame (10) fixedly installed on the support frame (7) is provided on the front side of the end face of the ratchet (9). A pawl (11) is rotatably connected to the connecting frame (10). The pawl (11) is located on one side of the ratchet (9) and can mesh with the ratchet teeth of the ratchet (9). A groove is opened on the side wall of the pawl (11) away from the ratchet (9). An elastic damper (12) is fixedly provided on the connecting frame (10). A damping head is provided on the elastic damper (12). The damping head can be movably engaged in the groove. The elastic damper (12) applies a pre-tightening force toward the ratchet (9) to the pawl (11) through the damping head.

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