Pay-off reel protection device of continuous wall grab bucket trenching machine

Abstract

The utility model discloses a continuous wall grab bucket trenching machine pay-off reel protection device which comprises a fixing support, first roller way supports, second roller way supports and a fixing main shaft, a first supporting plate is arranged in the middle of the fixing support and fixedly installed with a telescopic big arm, the first roller way supports are symmetrically arranged on the inner side of the fixing support, and the second roller way supports are symmetrically arranged on the inner side of the fixing support. Second roller way supports are symmetrically arranged on the surfaces of the portions, located on the two sides of the large telescopic arm, of the fixed support, the bottoms of the first roller way supports and the bottoms of the second roller way supports are connected through a plurality of first protection rods, a reduction gearbox is arranged on the side, away from the first supporting plate, of the large telescopic arm, and the pulleys slide in double sliding ways formed by the first roller way supports and the second roller way supports. The load bearing of the pay-off reel and the load bearing of the fixed main shaft mounted on the pay-off reel are reduced, and wear-resistant protection The fixed main shaft is driven by the reduction gearbox so as to drive the pay-off reel to rotate, and winding operation of a cable is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technology field of grooving machine pay-off reel protection, and specifically relates to a continuous wall grab bucket grooving machine pay-off reel protection device. BACKGROUND

[0002] The pay-off reel of the grooving machine is a component used on the grooving machine, mainly used for the pay-off operation of the cable or optical cable. The main function of the pay-off reel of the grooving machine is to support and rotate the cable reel, and the cable reel is rotated by pulling the cable through external force, so as to realize the pay-off function. This design makes the operation simple and is suitable for the pay-off operation of various cables.

[0003] Publication (announcement) number: CN207986354U discloses a pay-off reel, which comprises a pay-off reel base and a rotating disc. A rotating shaft is arranged between the pay-off reel base and the rotating disc, and the rotating shaft is rotationally connected with the rotating disc. A placing disc is arranged above the rotating disc. The rotating disc is fixedly connected with the placing disc through a spring. An installation hole is arranged in the center of the placing disc. Two sliding grooves are arranged on the placing disc and are symmetrically arranged with respect to the installation hole. A sliding block is slidably arranged in the sliding groove. A vertical rod is arranged on the upper end surface of the sliding block. Threaded holes are arranged on the side surface of the sliding block. A threaded rod is arranged on the two ends of the adjusting screw. The two ends of the threaded rod are respectively provided with a normal thread and a reverse thread. The two ends of the threaded rod are respectively inserted into the threaded holes of the two sliding blocks and are screwed with the sliding blocks. A support rod is arranged in the installation hole of the placing disc. The support rod is arranged vertically. A pressing rod is arranged on the top end of the support rod. The pressing rod is perpendicular to the support rod.

[0004] In the prior art, when the cable is wound on the pay-off reel and pulled out for use, the pay-off reel is rotated. Due to the weight bearing and rotation of the cable, the fixed main shaft bears a large weight and is greatly worn, which is not conducive to the long-term use of the pay-off reel and cannot share the weight bearing and wear protection of the pay-off reel.

[0005] Therefore, it is necessary to provide a continuous wall grab bucket grooving machine pay-off reel protection device. UTILITY MODEL CONTENTS

[0006] In view of the problems existing in the prior art, the utility model provides a continuous wall grab bucket grooving machine pay-off reel protection device, which aims to solve the technical problems mentioned above.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a protective device for the wire feeding reel of a continuous wall grab bucket troughing machine, comprising a fixed bracket, a roller support one, a roller support two, and a fixed main shaft. A support plate one is configured in the middle of the fixed bracket, and the support plate one is fixedly installed with the telescopic boom. Roller supports one are symmetrically arranged on the inner side of the fixed bracket, and roller supports two are symmetrically arranged on the surfaces of the fixed bracket on both sides of the telescopic boom. The bottoms of roller supports one and two are connected by several protective rods one. A reduction gearbox is configured on the side of the telescopic boom away from the support plate one. Wire feeding reels are symmetrically arranged on the upper part between roller supports one and two, and the middle of the wire feeding reels is connected by a bushing. Several wire storage racks are evenly distributed axially at the edges between the wire feeding reels. Several pulleys are evenly distributed axially on the roller surface of the wire feeding reel, and the pulleys are slidably installed corresponding to the upper surfaces of roller supports one and two. A fixed main shaft is installed inside the reduction gearbox, extending through the bushings on both sides of the reduction gearbox and rotatably installed with the fixed bracket.

[0008] Preferably, the roller conveyor support 2 is connected to the fixed support via a fixed block.

[0009] Preferably, the bushing is connected to the pay-off reel by several stiffening plates to increase the support strength of the pay-off reel.

[0010] Preferably, the fixed spindle is a splined shaft.

[0011] Preferably, a limiting arc plate is provided on the end face of the roller support second away from the roller support first.

[0012] Preferably, the roller conveyor support is fixedly connected to the fixed support by transverse and longitudinal reinforcing ribs.

[0013] Preferably, the fixed bracket is rotatably connected to the fixed spindle via bearings.

[0014] In summary, this utility model provides a protective device for the cable feeding reel of a continuous wall grab bucket grooving machine. This utility model patent employs a connection between two cable feeding reels via a bushing sleeve. The circumferential edges of the two cable feeding reels are connected by several cable storage racks, which are used for winding cables. Several pulleys are evenly distributed circumferentially on the roller surface of the cable feeding reel. When the cable feeding reel winds or pulls out the cable, the pulleys slide along the double slide rails formed by roller rail support one and roller rail support two, reducing the load on the cable feeding reel and the load on the fixed main bearing of the cable feeding reel, and providing wear protection. A fixed main shaft is linked inside the gearbox, extending from both sides of the gearbox. A bushing sleeve is sequentially fitted and extends out to rotate with the fixed support, enabling the gearbox to drive the fixed main shaft, which in turn drives the cable feeding reel to rotate, thus completing the cable winding operation. Attached Figure Description

[0015] Fig. 1This is a schematic diagram of the structure of the wire feeding reel of this utility model installed on the telescopic boom of the grooving machine;

[0016] Fig. 2 This is a schematic diagram of the structure of roller support 1, roller support 2, and fixed main shaft of this utility model;

[0017] Fig. 3 This is a schematic diagram of the sliding installation of the wire feeding reel with roller support 1 and roller support 2 of this utility model.

[0018] In the diagram: 1. Fixed bracket, 2. Roller support 1, 3. Fixed main shaft, 4. Support plate 1, 5. Telescopic boom, 6. Protective rod 1, 7. Gearbox, 11. Cable feeding reel, 12. Shaft sleeve, 13. Cable storage rack, 14. Pulley, 15. Rib plate, 16. Limiting arc plate, 17. Reinforcing rib plate, 21. Fixing block, 22. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] like Figs. 1 to 3 As shown:

[0021] This utility model relates to a protective device for the pay-off reel of a continuous wall grab bucket trenching machine, comprising a fixed bracket 1, a roller support 2, a roller support 3, and a fixed main shaft 4. A support plate 5 is positioned in the middle of the fixed bracket 1, and the support plate 5 is fixedly installed to the telescopic boom 6. The roller supports 2 are symmetrically arranged on the inner side of the fixed bracket 1, and the roller supports 3 are symmetrically arranged on the surfaces of the fixed bracket 1 on both sides of the telescopic boom 6. The bottoms of the roller supports 2 and 3 are connected by several protective rods 7. A reduction gearbox 11 is located on the side of the telescopic boom 6 away from the support plate 5. A wire feeding reel 12 is symmetrically arranged on the upper part between roller support 12 and roller support 23. The middle part of the wire feeding reels 12 is connected by a bushing 13. Several wire storage racks 14 are evenly distributed along the axial direction at the edge between the wire feeding reels 12. Several pulleys 15 are evenly distributed along the axial direction on the roller surface of the wire feeding reel 12. The pulleys 15 are slidably installed on the upper surface of roller support 12 and the upper surface of roller support 23. A fixed main shaft 4 is provided inside the gearbox 11. The fixed main shaft 4 extends to both sides of the gearbox 11, passes through the bushing 13, and is rotatably installed with the fixed support 1.

[0022] To address the technical problems of load-bearing distribution and wear protection for the pay-off reel in existing technologies, this utility model patent adopts the following technical approach: A fixed bracket 1 is fixedly installed on the telescopic boom 6 via a support plate 5. The fixed bracket 1 has a "U"-shaped structure. A roller conveyor bracket 2 is symmetrically arranged inside the fixed bracket 1. A roller conveyor bracket 3 is arranged on the side of the roller conveyor bracket 2 facing the telescopic boom 6. The roller conveyor bracket 3 is connected to the roller conveyor bracket 2 via several protective rods 7. The connection between the roller conveyor bracket 2 and the roller conveyor bracket 3 forms a double slideway. The upper part of the first frame 2 and the second roller support 3 is symmetrically configured with two wire feeding discs 12. The two wire feeding discs 12 are connected by a bushing 13. The circumferential edges of the two wire feeding discs 12 are connected by several wire storage racks 14. The wire storage racks 14 are used to wind cables. Several pulleys 15 are evenly distributed on the circumferential surface of the wire feeding disc 12. When the wire feeding disc 12 winds or pulls out the cable, the pulleys 15 slide in the double slide formed by the first roller support 2 and the second roller support 3, reducing the load on the wire feeding disc 12 and the load on the fixed main shaft 4 installed on the wire feeding disc 12, and providing wear-resistant protection.

[0023] The telescopic boom 6 is equipped with a reduction gearbox 11 on the surface between the two wire feeding reels 12. A fixed spindle 4 is linked inside the reduction gearbox 11. The fixed spindle 4 extends out from both sides of the reduction gearbox 11 and is sequentially fitted with and extends out of the shaft sleeve 13 and rotatably installed with the fixed bracket 1. This enables the reduction gearbox 11 to drive the fixed spindle 4, thereby driving the wire feeding reel 12 to rotate and complete the cable winding operation.

[0024] In at least one embodiment, in order to achieve a stable installation of the roller support 23, the roller support 23 is connected to the fixed support 1 through the fixing block 22.

[0025] In at least one embodiment, in order to achieve a stable support function for the cable reel 12 when winding the cable, the sleeve 13 is connected to the cable reel 12 by a number of stiffening plates 16 to increase the support strength of the cable reel 12.

[0026] In at least one embodiment, in order to enable the fixed spindle 4 to drive the wire feeding reels 12 on both sides, the fixed spindle 4 is a splined shaft, and the fixed spindle 4 is installed in a limiting sleeve with the shaft sleeve 13 to enable the fixed spindle 4 to rotate the wire feeding reel 12 so as to enable the wire feeding reel 12 to wind the cable.

[0027] In at least one embodiment, in order to achieve stable sliding of the pay-off reel 12 with roller support 1 and roller support 2 and roller support 3 in a double slide and to prevent the pulley 15 from sliding off, a limiting arc plate 17 is provided on the end face of roller support 2 away from roller support 12. During the sliding process, the sliding trajectory of pulley 15 is limited by the setting of the limiting arc plate 17, so as to achieve stable winding of the pay-off cable by the pay-off reel 12.

[0028] In at least one embodiment, to increase the stability of the roller conveyor support 2, the roller conveyor support 2 is fixedly connected to the fixed support 1 by means of transverse and longitudinal reinforcing ribs 21.

[0029] In at least one embodiment, in order to achieve a stable support function for the fixed spindle 4, a fixed bracket 1 is rotatably connected to the fixed spindle 4 via a bearing.

[0030] The embodiments described in this utility model are for illustrative purposes only and do not constitute a limitation on the scope of the claims. Other substantially equivalent substitutions that can be conceived by those skilled in the art are all within the protection scope of this utility model.

Claims

1. A protective device for the pay-off reel of a continuous wall grab bucket trenching machine, characterized in that, The system includes a fixed bracket (1), a roller support one (2), a roller support two (3), and a fixed main shaft (4). The middle part of the fixed bracket (1) is set as a support plate one (5), which is fixedly installed with the telescopic boom (6). The roller support one (2) is symmetrically arranged on the inner side of the fixed bracket (1). The roller support two (3) is symmetrically arranged on the surface of the fixed bracket (1) on both sides of the telescopic boom (6). The bottom of the roller support one (2) and the roller support two (3) are connected by several protective rods one (7). The side of the telescopic boom (6) away from the support plate one (5) is set as a speed reduction box (11). The roller support one (2) and the roller support two (3) are connected by several protective rods one (7). A wire feeding disc (12) is symmetrically arranged on the upper part between the two supports (3). The middle part between the wire feeding discs (12) is connected by a bushing (13). Several wire storage racks (14) are evenly distributed along the axial direction at the edge between the wire feeding discs (12). Several pulleys (15) are evenly distributed along the axial direction on the roller surface of the wire feeding disc (12). The pulleys (15) are slidably installed on the upper surface of the roller support (2) and the upper surface of the roller support (3). A fixed main shaft (4) is provided inside the gearbox (11). The fixed main shaft (4) extends to both sides of the gearbox (11), passes through the bushing (13), and is rotatably installed with the fixed support (1).

2. The protective device for the pay-off reel of a continuous wall grab bucket trenching machine according to claim 1, characterized in that, The roller support 2 (3) is connected to the fixed support (1) through the fixed block (22).

3. The protective device for the pay-off reel of a continuous wall grab bucket trenching machine according to claim 1, characterized in that, The bushing (13) is connected to the wire feeding reel (12) through several stiffening plates (16) to increase the support strength of the wire feeding reel (12).

4. The protective device for the pay-off reel of a continuous wall grab bucket trenching machine according to claim 1, characterized in that, The fixed spindle (4) adopts a splined shaft.

5. A protective device for the pay-off reel of a continuous wall grab bucket trenching machine according to claim 1, characterized in that, A limiting arc plate (17) is provided on the end face of the roller support 2 (3) away from the roller support 1 (2).

6. A protective device for the pay-off reel of a continuous wall grab bucket trenching machine according to claim 1, characterized in that, The roller support (2) is fixedly connected to the fixed support (1) by the horizontal and vertical reinforcing ribs (21).

7. A protective device for the pay-off reel of a continuous wall grab bucket trenching machine according to claim 1, characterized in that, The fixed bracket (1) is rotatably connected to the fixed spindle (4) via a bearing.

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