Protective traction cable device of coal mining machine

Abstract

The utility model discloses a coal mining machine traction cable protection device which comprises an installation seat, a fixed baffle is fixedly connected to the end of the installation seat, a cable supporting mechanism is arranged on one side of the fixed baffle, an expansion mechanism is arranged at the bottom of the fixed baffle, the cable supporting mechanism comprises a fixed seat, a movable sleeve is rotationally connected to the interior of the fixed seat, and the movable sleeve is connected with a cable. An adjusting rod is slidably connected to the interior of the movable sleeve, and a plurality of adjusting holes are formed in the adjusting rod. According to the protection traction cable device of the coal mining machine, constraint on a movable sleeve and a connecting seat is relieved by pulling an L-shaped pulling frame, then the movable sleeve is rotated, an adjusting rod is pulled at the same time, a bearing frame is made to be located at the bottom of a cable, after adjustment is completed, the L-shaped pulling frame is loosened, then a locking bolt is screwed for fixation, and the cable is supported and protected through the bearing frame; and a fixed baffle plate is matched to shield the coal briquettes, so that the cable can be effectively protected, and the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of coal fully-mechanized mining, in particular to a protective traction cable device for a coal mining machine. Background Art

[0002] Comprehensive coal mining refers to the entire production process of the coal mining face, including coal breaking, coal loading, coal transportation, support, goaf area treatment, and recovery tunnel transportation and excavation, all of which are fully mechanized. Among them, the coal mining machine is the mechanical equipment required for comprehensive mining. In the existing technology, when the coal mining machine is towed and moving, the coal blocks on the rack and in the chute push forward and squeeze and bump the cable, causing damage to the cable, reducing the service life of the cable and affecting normal production. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a coal mining machine protection traction cable device, which solves the problem that the cables are squeezed and bumped by coal blocks on the racks and in the chute, causing damage to the cables, reducing their service life and affecting normal production.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a coal mining machine protection traction cable device includes a mounting seat, a fixed baffle is fixedly connected to the end of the mounting seat, a cable support mechanism is provided on one side of the fixed baffle, and an expansion mechanism is provided at the bottom of the fixed baffle;

[0005] The cable support mechanism includes a fixed seat, a movable sleeve is rotatably connected to the fixed seat, an adjusting rod is slidably connected to the movable sleeve, a plurality of adjusting holes are provided on the adjusting rod, a locking nut is fixedly connected to the movable sleeve, a locking bolt is threadedly connected to the locking nut, the end of the adjusting rod is fixedly connected to a connecting block, the connecting block is rotatably connected to the connecting seat outside, a supporting frame is fixedly connected to the end of the connecting seat, a fixing component is provided between the fixed seat and the movable sleeve and between the connecting block and the connecting seat, and the fixing component includes an L-shaped pulling frame, the top of the L-shaped pulling frame is fixedly connected to a limiting plate, one side of the limiting plate is provided with a reset spring, the end of the L-shaped pulling frame is fixedly connected to a fixed gear, one side of the fixed gear is provided with a fixing sleeve, and the inner wall surface of the fixing sleeve is provided with a fixing tooth groove.

[0006] Preferably, the fixing seat is fixedly mounted on the fixing baffle, and the movable sleeve is rotatably connected to the fixing baffle via the fixing seat, so that the movable sleeve can be rotated to adjust the angle of the movable sleeve.

[0007] Preferably, the adjustment hole matches the locking bolt, and the end of the locking bolt passes through the locking nut and extends into the interior of the movable sleeve, so that the locking bolt can enter the interior of the movable sleeve and be inserted into the adjustment hole for fixation.

[0008] Preferably, the cross-sectional shape of the support bracket is set to be an arc shape, and the support bracket is rotatably connected to the connecting block through a connecting seat, so that the support bracket can be rotated, thereby facilitating the support of the cable.

[0009] Preferably, the two L-shaped pulling frames are slidably connected to the inner walls of the fixed seat and the connecting seat respectively, and the two fixed sleeves are fixedly connected to the connecting block and the end of the movable sleeve respectively, so that the L-shaped pulling frame can be pulled to drive the fixed gear to separate from the movable sleeve, thereby facilitating unlocking.

[0010] Preferably, one end of the two reset springs is fixedly connected to the two limit plates respectively, and the other ends of the two reset springs are fixedly connected to the fixed seat and the inner wall of the connecting seat respectively, so that the L-shaped pulling frame can be reset by the reset spring.

[0011] Preferably, the expansion mechanism includes an expansion screw, a rotating head is fixedly connected to the top of the expansion screw, the expansion screw is rotatably connected to the fixed baffle, the expansion screw is threadedly connected to the expansion baffle, a guide rod is slidably connected to the expansion baffle, and the guide rod is fixedly connected to the fixed baffle, which can adjust the size of the coal blocking range and effectively improve the flexibility of use.

[0012] The utility model provides a coal mining machine protection traction cable device. Compared with the prior art, it has the following advantages:

[0013] Beneficial effects:

[0014] 1. The coal mining machine protects the traction cable device by pulling the L-shaped pulling frame to release the constraints on the movable sleeve and the connecting seat, then rotating the movable sleeve and pulling the adjusting rod at the same time to make the support frame at the bottom of the cable. After the adjustment is completed, loosen the L-shaped pulling frame, and then tighten the locking bolt to fix it. The support frame is used to support and protect the cable, and the fixed baffle is used to block the coal blocks, thereby effectively protecting the cable and extending the service life of the cable.

[0015] 2. The coal mining machine protects the traction cable device by rotating the rotating head. The rotation of the rotating head drives the expansion screw to rotate. The rotation of the expansion screw drives the expansion baffle to move along the guide rod to adjust the size of the coal blocking range, effectively improving the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cable support mechanism structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the fixing assembly of the utility model;

[0019] Figure 4 It is a schematic diagram of the expansion mechanism structure of the utility model.

[0020] In the figure: 1. fixed baffle; 2. cable supporting mechanism; 201. fixed seat; 202. movable sleeve; 203. adjusting rod; 204. adjusting hole; 205. locking nut; 206. locking bolt; 207. connecting block; 208. connecting seat; 209. supporting frame; 210. fixing assembly; 211. L-shaped pulling frame; 212. limiting plate; 213. reset spring; 214. fixed gear; 215. fixed sleeve; 216. fixed tooth groove; 3. mounting seat; 4. expansion mechanism; 401. expansion screw; 402. rotating head; 403. expansion baffle; 404. guide rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 The utility model provides a technical solution: a coal mining machine protection traction cable device, including a mounting seat 3, a fixed baffle 1 is fixedly connected to the end of the mounting seat 3, a cable support mechanism 2 is provided on one side of the fixed baffle 1, and an expansion mechanism 4 is provided at the bottom of the fixed baffle 1. The fixed baffle 1 can be used to block coal blocks, and the cable support mechanism 2 can be used to support and protect the cable, thereby effectively protecting the cable and extending the service life of the cable.

[0023] The cable support mechanism 2 includes a fixed seat 201, which is internally rotatably connected with a movable sleeve 202. The fixed seat 201 is fixedly installed on the fixed baffle 1. The movable sleeve 202 is rotatably connected with the fixed baffle 1 through the fixed seat 201, so that the movable sleeve 202 can rotate and adjust the angle of the movable sleeve 202. An adjusting rod 203 is slidably connected inside the movable sleeve 202. A plurality of adjusting holes 204 are provided on the adjusting rod 203. A locking nut 205 is fixedly connected to the movable sleeve 202. A locking bolt 206 is threadedly connected to the locking nut 205. The adjusting hole 204 matches the locking bolt 206. The locking bolt 204 is fixedly connected to the movable sleeve 202. The end of 206 passes through the locking nut 205 and extends to the inside of the movable sleeve 202, so that the locking bolt 206 can enter the inside of the movable sleeve 202 and be inserted into the adjusting hole 204 for fixing. The end of the adjusting rod 203 is fixedly connected to the connecting block 207, and the connecting block 207 is rotatably connected to the connecting seat 208 on the outside. The end of the connecting seat 208 is fixedly connected to the supporting bracket 209. The cross-sectional shape of the supporting bracket 209 is set to be arc-shaped, so that the cable can enter the inside of the supporting bracket 209, so that the cable can be supported. The supporting bracket 209 is rotatably connected to the connecting block 207 through the connecting seat 208, so that the supporting bracket 209 can The fixing assembly 210 is provided between the fixing seat 201 and the movable sleeve 202 and between the connecting block 207 and the connecting seat 208. The fixing assembly 210 includes an L-shaped pulling frame 211. The top of the L-shaped pulling frame 211 is fixedly connected to a limit plate 212. A return spring 213 is provided on one side of the limit plate 212. One end of the two return springs 213 is fixedly connected to the two limit plates 212 respectively. The other ends of the two return springs 213 are fixedly connected to the fixing seat 201 and the inner wall of the connecting seat 208 respectively, so that the L-shaped pulling frame 211 can be reset by the return spring 213, so that the fixing The fixed gear 214 is re-engaged with the fixed tooth groove 216 inside the fixed sleeve 215, so that it can be re-fixed. The end of the L-shaped pulling frame 211 is fixedly connected with the fixed gear 214, and a fixed sleeve 215 is provided on one side of the fixed gear 214. The inner wall surface of the fixed sleeve 215 is provided with a fixed tooth groove 216. The two L-shaped pulling frames 211 are slidingly connected to the inner walls of the fixed seat 201 and the connecting seat 208 respectively. The two fixed sleeves 215 are fixedly connected to the connecting block 207 and the end of the movable sleeve 202 respectively, so that the L-shaped pulling frame 211 can be pulled to drive the fixed gear 214 to separate from the movable sleeve 202, thereby facilitating unlocking.

[0024] See also Figure 1 and Figure 4The expansion mechanism 4 includes an expansion screw 401, a rotating head 402 is fixedly connected to the top of the expansion screw 401, the expansion screw 401 is rotatably connected to the fixed baffle 1, the expansion screw 401 is threadedly connected to the expansion baffle 403, the expansion baffle 403 is slidably connected to the guide rod 404, the guide rod 404 is fixedly connected to the fixed baffle 1, and the rotating head 402 can be rotated to drive the expansion screw 401 to rotate, and the expansion screw 401 rotates to drive the expansion baffle 403 to move along the guide rod 404 to adjust the size of the coal blocking range, thereby effectively improving the flexibility of use.

[0025] During operation, the L-shaped pulling frame 211 is pulled, and the L-shaped pulling frame 211 moves to drive the fixed gear 214 to separate from the fixed sleeve 215, thereby releasing the constraint on the movable sleeve 202 and the connecting seat 208. Then the movable sleeve 202 is rotated, and the adjusting rod 203 is pulled at the same time, so that the supporting frame 209 is at the bottom of the cable. After the adjustment is completed, the L-shaped pulling frame 211 is released, and the reset spring 213 re-engages the fixed gear 214 with the fixed tooth groove 216 inside the fixed sleeve 215 to fix the movable sleeve 202 and the connecting seat 208. Then the locking bolt 206 is screwed and inserted into the adjusting hole 204 to fix the adjusting rod 203. The supporting frame 209 is used to support and protect the cable, and the fixed baffle 1 is used to block the coal blocks, thereby effectively protecting the cable and extending the service life of the cable.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A coal mining machine protection traction cable device, comprising a mounting seat (3), characterized in that: The end of the mounting seat (3) is fixedly connected to a fixed baffle (1), one side of the fixed baffle (1) is provided with a cable support mechanism (2), and the bottom of the fixed baffle (1) is provided with an expansion mechanism (4); The cable support mechanism (2) comprises a fixed seat (201), a movable sleeve (202) is rotatably connected inside the fixed seat (201), an adjustment rod (203) is slidably connected inside the movable sleeve (202), a plurality of adjustment holes (204) are provided on the adjustment rod (203), a locking nut (205) is fixedly connected to the movable sleeve (202), a locking bolt (206) is internally threadedly connected to the locking nut (205), an end of the adjustment rod (203) is fixedly connected to a connecting block (207), the connection block (207) is externally rotatably connected to a connecting seat (208), and an end of the connecting seat (208) is fixedly connected to A support frame (209) is provided, and a fixing assembly (210) is provided between the fixing seat (201) and the movable sleeve (202) and between the connecting block (207) and the connecting seat (208). The fixing assembly (210) comprises an L-shaped pulling frame (211), the top of the L-shaped pulling frame (211) is fixedly connected to a limiting plate (212), one side of the limiting plate (212) is provided with a return spring (213), the end of the L-shaped pulling frame (211) is fixedly connected to a fixed gear (214), one side of the fixed gear (214) is provided with a fixing sleeve (215), and the inner wall surface of the fixing sleeve (215) is provided with a fixing tooth groove (216).

2. The coal mining machine protection traction cable device according to claim 1 is characterized in that: The fixed seat (201) is fixedly mounted on the fixed baffle (1), and the movable sleeve (202) is rotatably connected to the fixed baffle (1) via the fixed seat (201).

3. The coal mining machine protection traction cable device according to claim 1 is characterized in that: The adjustment hole (204) matches the locking bolt (206), and the end of the locking bolt (206) passes through the locking nut (205) and extends to the inside of the movable sleeve (202).

4. The coal mining machine protection traction cable device according to claim 1 is characterized in that: The cross-sectional shape of the support frame (209) is set to be an arc shape, and the support frame (209) is rotatably connected to the connection block (207) through the connection seat (208).

5. The coal mining machine protection traction cable device according to claim 1 is characterized in that: The two L-shaped pulling frames (211) are respectively slidably connected to the inner walls of the fixing seat (201) and the connecting seat (208), and the two fixing sleeves (215) are respectively fixedly connected to the ends of the connecting block (207) and the movable sleeve (202).

6. The coal mining machine protection traction cable device according to claim 1, characterized in that: One end of the two return springs (213) is fixedly connected to the two limit plates (212) respectively, and the other end of the two return springs (213) is fixedly connected to the inner wall of the fixed seat (201) and the connecting seat (208) respectively.

7. The coal mining machine protection traction cable device according to claim 1 is characterized in that: The expansion mechanism (4) comprises an expansion screw (401), the top end of which is fixedly connected to a rotating head (402), and the expansion screw (401) is rotatably connected to a fixed baffle (1).

8. The coal mining machine protection traction cable device according to claim 7 is characterized in that: An expansion baffle (403) is threadedly connected to the expansion screw rod (401), a guide rod (404) is slidably connected to the expansion baffle (403), and the guide rod (404) is fixedly connected to the fixed baffle (1).

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