阅读说明：本技术 一种循环球式煤矿钻车电缆拖拽机构 (Circulating ball type cable dragging mechanism for coal mine drill carriage ) 是由 张宏 王晓波 闫红红 王育恒 杨天 于 2021-08-10 设计创作，主要内容包括：本发明属于煤矿井下锚索钻车领域,具体设计一种循环球式煤矿钻车电缆拖拽机构,包括底座、摆线液压马达、卷筒组件和自动排缆组件；摆线液压马达的输出轴上固定有单排链轮Ⅰ；卷筒组件包括卷筒,卷筒两端的筒轴与底座转动连接,第一筒轴上固定有双排链轮Ⅱ；自动排缆组件包括排缆支架、导向轴、传动轴、滑动架和摆线器,排缆支架安装在卷筒组件的后方；滑动架内通过滚珠保持架和滚珠与传动轴相连,摆线器转动安装在滑动架上,且与卷筒的轴线垂直。本发明实现锚索钻车有序、有规律的收放缆,保证设备有较大的运行距离,提高电缆的使用寿命。(The invention belongs to the field of underground coal mine anchor cable drill rigs, and particularly designs a circulating ball type coal mine drill rig cable dragging mechanism which comprises a base, a cycloid hydraulic motor, a winding drum assembly and an automatic cable arrangement assembly; a single-row chain wheel I is fixed on an output shaft of the cycloid hydraulic motor; the winding drum assembly comprises a winding drum, drum shafts at two ends of the winding drum are rotatably connected with the base, and a double-row chain wheel II is fixed on the first drum shaft; the automatic cable arrangement assembly comprises a cable arrangement support, a guide shaft, a transmission shaft, a sliding frame and a cycloid device, wherein the cable arrangement support is arranged behind the winding drum assembly; the inside of the sliding frame is connected with a transmission shaft through a ball retainer and balls, and the cycloid device is rotatably installed on the sliding frame and is vertical to the axis of the winding drum. The invention realizes the orderly and regular cable reeling and unreeling of the anchor cable drill carriage, ensures that the equipment has larger running distance and prolongs the service life of the cable.)

1. A circulating ball type cable dragging mechanism of a coal mine drill carriage comprises a base (2), a cycloid hydraulic motor (3), a winding drum assembly (5) and an automatic cable arrangement assembly (7); a single-row chain wheel I is fixed on an output shaft of the cycloid hydraulic motor (3); the winding drum component (5) comprises a winding drum (5.1), drum shafts at two ends of the winding drum (5.1) are rotatably connected with the base, and a double-row chain wheel II is fixed on the first drum shaft (5.5); the automatic cable arrangement assembly (7) comprises a cable arrangement support (7.5), a guide shaft (7.6), a transmission shaft (7.7), a sliding frame (7.4) and a swing device (7.1); the cable arranging bracket (7.5) is arranged behind the winding drum component (5); the guide shaft (7.6) is an optical axis, and two ends of the guide shaft are arranged on the cable arranging support (7.5) and are parallel to the axis of the winding drum (5.1); the surface of the transmission shaft (7.7) is provided with a double-spiral groove, two ends of the double-spiral groove are rotationally connected with the cable arranging support (7.5), and one end of the transmission shaft (7.7) is fixed with a single-row chain wheel III; the sliding rack (7.4) is connected with the transmission shaft (7.7) through a ball retainer (7.10) and a ball (7.11).

2. The recirculating ball coal mine drill carriage cable haulage mechanism of claim 1, wherein: the sliding frame (7.4) is arranged on the guide shaft (7.6) and the transmission shaft (7.7), a ball retainer (7.10) is arranged inside the sliding frame, an arc-shaped ball groove is formed in the ball retainer (7.10), a ball (7.11) is rotationally clamped in the ball groove through a clamping jaw, and part of ball bodies of the ball (7.11) are located in the double-spiral groove and are in contact with the double-spiral groove.

3. The recirculating ball coal mine drill carriage cable haulage mechanism of claim 1, wherein: the automatic cable arrangement assembly (7) further comprises a cable guider (6) installed behind the cycloid device (7.1), and the cable guider (6) comprises a square frame and guide wheels rotatably arranged on four frames of the square frame.

4. The recirculating ball coal mine drill carriage cable haulage mechanism of claim 1, wherein: be equipped with round pin axle (7.9) of cycloid ware mounting bracket (7.8) and cycloid ware (7.1) hookup, can drive round pin axle (7.9) through the copper sheathing and rotate to realize the slip of cycloid ware (7.1).

Technical Field

The invention belongs to the field of underground coal mine anchor cable drill rigs, and particularly relates to a circulating ball type cable dragging mechanism of a coal mine drill rig.

Background

The anchor cable support is a fast, safe and economic coal mine roadway support mode, and in modern high-yield and high-efficiency mines, the continuous mining machine is mostly used for double-roadway or multi-roadway fast excavation; because the mined-out roadway needs to be supported in time, the anchor cable drill carriage is the most important equipment among the supporting equipment behind the continuous mining machine; the equipment needs to be provided with a vehicle-mounted automatic cable winding device, and can automatically wind and unwind a cable along with the advance and retreat of the equipment, if the cable is not uniformly wound and has serious accumulation, part of the cable can be wound into other operating mechanisms of the equipment, and the underground safe production can be seriously influenced; at present, the cable arranging device in the prior art adopts sliding friction and has large friction resistance.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a cable dragging mechanism which prolongs the service life of a cable and is not easy to have the problems of cable disorder, cable damage and the like.

In order to solve the problems, the invention adopts the technical scheme that: a circulating ball type cable dragging mechanism of a coal mine drill carriage comprises a base (2), a cycloid hydraulic motor (3), a winding drum assembly (5) and an automatic cable arrangement assembly (7); a single-row chain wheel I is fixed on an output shaft of the cycloid hydraulic motor (3); the winding drum component (5) comprises a winding drum (5.1), drum shafts at two ends of the winding drum (5.1) are rotatably connected with the base, and a double-row chain wheel II is fixed on the first drum shaft (5.5); the automatic cable arrangement assembly (7) comprises a cable arrangement support (7.5), a guide shaft (7.6), a transmission shaft (7.7), a sliding frame (7.4) and a swing device (7.1); the cable arranging bracket (7.5) is arranged behind the winding drum component (5); the guide shaft (7.6) is an optical axis, and two ends of the guide shaft are arranged on the cable arranging support (7.5) and are parallel to the axis of the winding drum (5.1); the surface of the transmission shaft (7.7) is provided with a double-spiral groove, two ends of the double-spiral groove are rotationally connected with the cable arranging support (7.5) and are parallel to the axis of the winding drum (5.1), and one end of the transmission shaft (7.7) is fixed with a single-row chain wheel III; the single-row chain wheel I and the double-row chain wheel II as well as the double-row chain wheel II and the single-row chain wheel III are connected through a transmission chain I (4); the sliding frame (7.4) is slidably arranged on the guide shaft (7.6) and the transmission shaft (7.7) in a penetrating manner, a ball retainer (7.10) is arranged inside the sliding frame, an arc-shaped ball groove is formed in the ball retainer (7.10), a ball (7.11) is rotationally clamped in the ball groove through a clamping jaw, and part of ball bodies of the ball (7.11) is positioned in the double-spiral groove and is in contact with the double-spiral groove; the cycloid device (7.1) is rotatably arranged on the sliding frame (7.4) and is vertical to the axis of the winding drum (5.1).

Further, automatic cable subassembly (7) of arranging still includes cable director (6) of installing in cycloid ware (7.1) rear, and cable director (6) include square frame and rotate the leading wheel that sets up on four frames of square frame.

Further, the cable winding device also comprises a slip ring collector (10) for transmitting signals and current, a full cable protection assembly (9) for stopping the rotation of the winding drum when the cable (1) is fully wound, and an under cable protection assembly (8) for stopping the rotation of the winding drum when the cable is exhausted; the winding drum (5.1) is of a hollow structure, the first round end face is a closed end, the second round end face is an open end, an annular end cover (5.2) is mounted on the second round end face through a screw, and the second drum shaft (5.6) is a hollow shaft and rotatably penetrates through a round hole of the end cover (5.2); an end cover connecting cylinder (5.3) is fixed on the inner side of the round hole of the end cover (5.2); the collector slip ring (10) is arranged in the end cover connecting cylinder (5.3), and the cable is led out from the second cylinder shaft (5.6); the full cable protection component (9) is arranged on the base (2) and is positioned below the winding drum (5.1); the under-cable protection component (8) is arranged on the winding drum (5.1), the cable (1) is in a non-trigger state when being compressed, and the cable is in a trigger state when being emptied.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the cable drum, the automatic cable arrangement component (7) matched with the cable drum and the full cable protection component (9) are utilized to realize the accurate reciprocating motion of the ball retainer (7.10) in the transmission shaft (7.7), so that the sliding friction of the ball retainer (7.10) is changed into rolling friction, and the friction and the abrasion of balls are reduced. Thereby realizing orderly and regular cable reeling and unreeling of the anchor cable drill carriage.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a cross-sectional view of the spool assembly of the present invention;

FIG. 4 is a schematic view of the automatic cable routing assembly of the present invention;

FIG. 5 is a cross-sectional view of the automatic cable routing assembly of the present invention;

fig. 6 is a view showing a ball cage and balls according to the present invention.

Wherein: wherein: 1-cable, 2-base, 3-cycloidal hydraulic motor, 4-driving chain I, 5-reel component, 5.1-reel, 5.2-end cover, 5.3-end cover connecting cylinder, 5.4-locking retainer ring, 5.5-first reel, 5.6-second reel, 5.7-bearing end cover, 6-cable guider, 7-automatic cable arranging component, 7.1-cycloid, 7.2-copper sleeve, 7.3-guide wheel, 7.4-sliding rack, 7.5-cable arranging bracket, 7.6-guide shaft, 7.7-driving shaft, 7.8-cycloid mounting rack, 7.9-pin shaft, 7.10-ball retainer, 7.11-ball, 8-under cable protecting component, 9-full cable protecting component and 10-collector slip ring.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in the figure, the circulating ball type cable dragging mechanism for the coal mine drill carriage comprises a base 2, a cycloid hydraulic motor 3, a winding drum assembly 5 and an automatic cable arrangement assembly 7; a single-row chain wheel I is fixed on an output shaft of the cycloid hydraulic motor 3; the winding drum component 5 comprises a winding drum 5.1, drum shafts at two ends of the winding drum 5.1 are rotatably connected with the base 2, and a double-row chain wheel II is fixed on the first drum shaft 5.5; the automatic cable arrangement assembly 7 comprises a cable arrangement bracket 7.5, a guide shaft 7.6, transmission shafts 7 and 7, a sliding frame 7.4 and a cycloid device 7.1; the cable arranging bracket 7.5 is arranged behind the winding drum component 5; the guide shaft 7.6 is an optical axis, and two ends of the guide shaft are arranged on the cable arranging support 7.5 and are parallel to the axis of the winding drum 5.1; the surface of the transmission shaft 7.7 is provided with a double-spiral groove, two ends of the transmission shaft are rotationally connected with the cable arranging support 7.5 and are parallel to the axis of the winding drum 5.1, and one end of the transmission shaft 7.7 is fixed with a single-row chain wheel III; the single-row chain wheel I and the double-row chain wheel II as well as the double-row chain wheel II and the single-row chain wheel III are connected through a transmission chain I4; the sliding frame 7.4 is arranged on the guide shaft 7.6 and the transmission shaft 7.7, the ball retainer 7.10 is arranged in the sliding frame, the arc-shaped ball groove is formed in the ball retainer 7.10, the ball 7.11 is rotationally clamped in the ball groove through a clamping jaw, and part of ball bodies of the ball 7.11 are positioned in the double-spiral groove and are in contact with the double-spiral groove, so that sliding friction between the sliding frame 7.4 and the transmission shaft 7.7 is changed into rolling friction, and friction resistance is reduced; the cycloid device 7.1 is rotatably mounted on the sliding frame 7.4 and is perpendicular to the axis of the winding drum 5.1.

Further, automatic cable arrangement component 7 still includes installs the cable guide 6 at cycloid 7.1 rear, and cable guide 6 includes square frame and rotates leading wheel 7.3 who sets up on four borders of square frame.

Further, a cycloid device mounting frame 7.8 is fixed on the sliding frame 7.4, and the cycloid device 7.1 is rotatably mounted on the cycloid device mounting frame 7.8 through a pin shaft 7.9.

Further, the cable dragging mechanism also comprises a slip ring 10 for transmitting signals and current, a full cable protection assembly 9 for stopping the rotation of the drum 5.1 when the cable is full, and an under cable protection assembly 8 for stopping the rotation of the drum 5.1 when the cable is empty; the winding drum 5.1 is of a hollow structure, the first round end face is a closed end, the second round end face is an open end, an annular end cover 5.2 is mounted on the second round end face through screws, the second drum shaft 5.6 is a hollow shaft and penetrates through a round hole of the end cover 5.2 through a bearing in a rotating mode, and a bearing end cover 5.7 and a locking check ring 5.4 are arranged at two ends of the bearing; an end cover connecting cylinder 5.3 is fixed on the inner side of the round hole of the end cover 5.2; the collector slip ring 10 is arranged in the end cover connecting cylinder 5.3, and the cable 1 is led out from the second cylinder shaft 5.6; the full cable protection component 9 is arranged on the base 2 and is positioned below the winding drum 5.1; the under-cable protection component 8 is arranged on the winding drum 5.1, the cable 1 is in a non-trigger state when being compressed, and the cable is in a trigger state when being emptied. The collector slip ring 10, the full cable protection component 9 and the under cable protection component 8 are all existing products.

The working principle of the embodiment is as follows: when the device works, the cycloid hydraulic motor 3 rotates, the winding drum 5.1 is driven to rotate through the transmission chain I4 between the single-row chain wheel I and the double-row chain wheel II, the transmission shaft 7.7 is driven to rotate through the transmission chain I4 between the double-row chain wheel II and the single-row chain wheel III when the winding drum 5.1 rotates, the sliding frame 7.4 slides back and forth along the guide shaft 7.6 and the transmission shaft 7.7 through the double-spiral groove, the cable 1 penetrates through the cycloid device 7.1 and the cable guide device 6, and the cycloid device 7.15 moves left and right, so that the cable can be wound on the winding drum 5.1 in order.