Front rack of heading machine for coal mine

Abstract

The utility model discloses a heading machine front frame for coal mine, which comprises a connecting frame, a movable frame is movably connected inside the connecting frame, the center line of the connecting frame and the center line of the movable frame are on the same vertical plane, and two ends of one side of the connecting frame are respectively provided with a group of mounting sleeve plates. A telescopic mechanism used for adjusting the length of the rack is arranged outside the movable frame. According to the front rack of the heading machine for the coal mine, the fixed cover is arranged, after the front rack is installed, hydraulic rods at the two ends of a movable frame can be started at the same time, the hydraulic rods push a driving plate to move towards one side, the driving plate drives a connecting shaft to move towards one side through a connecting plate, and then the connecting shaft pushes a connecting frame to move towards one side through a transmission plate; and the connecting shaft is attached to the interior of the sliding groove so that the transmission plate can be limited, the stability of the transmission plate in the moving process is guaranteed, the length of the rack can be adjusted, and the problem that the length of the rack cannot be adjusted is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine heading machine technical field, concretely is a coal mine heading machine front rack. BACKGROUND

[0002] The coal mine heading machine is a large -scale mining machinery, is propelled by the drive car body and is installed on the rack broken head and advances to the mine layer and carries out the broken, in order to realize the effect of heading in the mine layer, and the rack of the coal mine heading machine is the main structure of the equipment, generally constitutes two parts of front and back, is used for protecting internal mechanical equipment;

[0003] But now the front rack for the coal mine heading machine still has some defects when using, the length of the rack cannot be adjusted quickly after installation, and the length may be inappropriate during the operation process, which affects the heading process;

[0004] Now a new coal mine heading machine front rack is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a coal mine heading machine front rack to solve the problem of adjusting the length of the rack in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a coal mine heading machine front rack, including the connecting frame, the inside swing joint of connecting frame has movable frame, the center line of connecting frame and the center line of movable frame are on the same vertical plane, and one side of connecting frame is provided with a set of installation sleeve board at both ends respectively, and the outside of movable frame is provided with telescopic mechanism for adjusting the length of rack;

[0007] The telescopic mechanism includes a sliding slot, both ends of the movable frame are provided with the sliding slot, both ends of the movable frame are fixedly connected with the fixed cover, the inside of the fixed cover is fixedly connected with the hydraulic rod, the output end of the hydraulic rod is fixedly connected with the drive plate, one side of the drive plate is fixedly connected with the connecting plate, one end of the connecting plate is fixedly connected with the connecting shaft, the connecting shaft is fixedly connected with the transmission plate through the sliding slot, and one side of the transmission plate is fixedly connected with the support plate.

[0008] As a further technical scheme of the utility model, the connecting shaft is slidably connected with the sliding slot, and the connecting plate is slidably connected with the movable frame.

[0009] As a further technical scheme of the utility model, the support plate is movably connected with the connecting frame, and the transmission plate is movably connected with the movable frame.

[0010] As a further technical scheme of the utility model, one side of the mounting sleeve plate is fixedly connected with a connecting sleeve plate, one side of the connecting frame is fixedly connected with a fixed frame, both ends in the fixed frame are fixedly connected with limiting rods, the inside of the fixed frame movably connects with a bidirectional screw rod, one end of the fixed frame is fixedly connected with a servo motor, one side of the connecting sleeve plate is fixedly connected with a movable plate, one end of the movable plate is fixedly connected with a threaded sleeve.

[0011] As a further technical scheme of the utility model, the bidirectional screw rod is in threaded connection with the threaded sleeve, and the output end of the servo motor is fixedly connected with the bidirectional screw rod penetrating one end of the fixed frame.

[0012] As a further technical scheme of the utility model, the connecting sleeve plate is movably connected with the fixed frame, and the movable plate is slidably connected with the limiting rod.

[0013] As a further technical scheme of the utility model, one side of the transmission plate is fixedly connected with a threaded cylinder, and both ends of one side of the connecting frame are movably connected with a group of fixed bolts.

[0014] As a further technical scheme of the utility model, the fixed bolt penetrates one side of the connecting frame and extends to the inside of the threaded cylinder, and the fixed bolt is in threaded connection with the threaded cylinder.

[0015] Compared with the prior art, the utility model has the advantages that the front frame of the coal mine heading machine can adjust the length of the frame, can be quickly installed, and can be conveniently disassembled for internal equipment maintenance.

[0016] (1) by setting up fixed cover, hydraulic rod, drive plate, connecting plate, sliding slot, connecting shaft, transmission plate and support plate, the front frame can start the hydraulic rod at both ends of the movable frame simultaneously after installation, the hydraulic rod drives the drive plate to move to one side, the drive plate drives the connecting shaft to move to one side through the connecting plate, the connecting shaft drives the connecting frame to move to one side through the transmission plate, thereby automatically adjusting the length of the front frame, and the connecting shaft is limited to the inside of the sliding slot, guaranteeing the stability of the transmission plate when moving, and realizing the adjustment of the length of the frame.

[0017] (2) By setting has fixed frame, movable plate, mounting sleeve plate, two-way screw rod, limit rod, connecting sleeve plate, threaded sleeve and servo motor, when installing, start servo motor drives two-way screw rod to rotate, two-way screw rod drives two connecting sleeve plates to move to both ends through threaded sleeve, connecting sleeve plate drives mounting sleeve plate to open, then sleeve plate is connected in the connecting position of the main body of the tunneling machine, then start servo motor drives two-way screw rod to rotate, two-way screw rod drives connecting sleeve plate to shrink through threaded sleeve, connecting sleeve plate drives mounting sleeve plate to shrink and connect with the main body of the tunneling machine, connecting sleeve plate is sleeved outside the fixed frame, which can limit the mounting sleeve plate, ensure the stability of the mounting sleeve plate after connection, realize the quick installation of the front rack;

[0018] (3) By setting has fixed bolt, transmission plate, threaded cylinder and support plate, when the mechanical equipment in the front rack needs to be repaired, the two groups of fixed bolts on one side of the connecting frame can be rotated, so that the fixed bolt is separated from the inside of the threaded cylinder, then the movable frame can be pulled off from one side of the connecting frame, so that the driving equipment and other components installed in the inside can be conveniently repaired, after completion, the movable frame is reset and the fixed bolt is turned into the threaded cylinder, the fixed bolt is tightened, and the movable frame can be fixed through the transmission plate, which realizes convenient disassembly and assembly for internal equipment repair. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view cross section structure schematic view of the utility model;

[0020] Figure 2 It is a fixed frame side view cross section structure schematic view of the utility model;

[0021] Figure 3 It is a transmission plate front view cross section structure schematic view of the utility model;

[0022] Figure 4 It is a movable frame side view cross section structure schematic view of the utility model.

[0023] In the drawing: 1, connecting frame; 2, movable frame; 3, fixed cover; 4, hydraulic rod; 5, driving plate; 6, connecting plate; 7, sliding groove; 8, fixed frame; 9, movable plate; 10, mounting sleeve plate; 11, two-way screw rod; 12, limit rod; 13, connecting sleeve plate; 14, threaded sleeve; 15, servo motor; 16, fixed bolt; 17, connecting shaft; 18, transmission plate; 19, threaded cylinder; 20, support plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Embodiment: please refer to Figures 1-4 A front rack of a coal mine heading machine, comprising a connecting frame 1, a movable frame 2 movably connected in the connecting frame 1, the center line of the connecting frame 1 and the center line of the movable frame 2 being on the same vertical plane, a group of mounting sleeve plates 10 being arranged at the two ends of one side of the connecting frame 1 respectively, and a telescopic mechanism for adjusting the length of the rack being arranged outside the movable frame 2;

[0026] The telescopic mechanism comprises a sliding groove 7, the two ends of the movable frame 2 are provided with the sliding groove 7, the two ends of the movable frame 2 are fixedly connected with a fixed cover 3, the inside of the fixed cover 3 is fixedly connected with a hydraulic rod 4, the output end of the hydraulic rod 4 is fixedly connected with a driving plate 5, one side of the driving plate 5 is fixedly connected with a connecting plate 6, one end of the connecting plate 6 is fixedly connected with a connecting shaft 17, the connecting shaft 17 penetrates through the sliding groove 7 and is fixedly connected with a transmission plate 18, one side of the transmission plate 18 is fixedly connected with a supporting plate 20;

[0027] The connecting shaft 17 is slidably connected with the sliding groove 7, and the connecting plate 6 is slidably connected with the movable frame 2;

[0028] The supporting plate 20 is movably connected with the connecting frame 1, and the transmission plate 18 is movably connected with the movable frame 2;

[0029] Specifically, as shown in Figure 1 , Figure 3 and Figure 4 , after installation, the front rack can simultaneously start the hydraulic rods 4 at the two ends of the movable frame 2, the hydraulic rods 4 push the driving plate 5 to move to one side, the driving plate 5 drives the connecting shaft 17 to move to one side through the connecting plate 6, the connecting shaft 17 pushes the connecting frame 1 to move to one side through the transmission plate 18, so that the length of the front rack is automatically adjusted, and the connecting shaft 17 is attached to the inside of the sliding groove 7 and can limit the transmission plate 18, so that the stability of the transmission plate 18 during movement is ensured, and the length of the rack can be adjusted.

[0030] One side of the mounting sleeve plate 10 is fixedly connected with a connecting sleeve plate 13, one side of the connecting frame 1 is fixedly connected with a fixed frame 8, the two ends inside the fixed frame 8 are fixedly connected with a limiting rod 12, the inside of the fixed frame 8 is movably connected with a bidirectional screw rod 11, one end of the fixed frame 8 is fixedly connected with a servo motor 15, one side of the connecting sleeve plate 13 is fixedly connected with a movable plate 9, one end of the movable plate 9 is fixedly connected with a threaded sleeve 14;

[0031] The bidirectional screw rod 11 is in threaded connection with the threaded sleeve 14, and the output end of the servo motor 15 is fixedly connected with the bidirectional screw rod 11 through one end of the fixed frame 8.

[0032] The connecting sleeve plate 13 is movably connected with the fixed frame 8, and the movable plate 9 is slidably connected with the limiting rod 12.

[0033] Specifically, as shown in Figure 1 and Figure 2 , when installing, the servo motor 15 is started to drive the bidirectional screw rod 11 to rotate, the bidirectional screw rod 11 drives the two groups of connecting sleeve plates 13 to move to both ends through the threaded sleeve 14, the connecting sleeve plate 13 drives the mounting sleeve plate 10 to open and then sleeves the mounting sleeve plate 10 at the connecting position of the roadheader main body, then the servo motor 15 is started to drive the bidirectional screw rod 11 to rotate, the bidirectional screw rod 11 drives the connecting sleeve plate 13 to shrink through the threaded sleeve 14, the connecting sleeve plate 13 drives the mounting sleeve plate 10 to shrink and connect with the roadheader main body, the connecting sleeve plate 13 sleeves outside the fixed frame 8 to limit the mounting sleeve plate 10, ensure the stability of the mounting sleeve plate 10 after connection, and realize the quick installation of the front rack.

[0034] The transmission plate 18 is fixedly connected with a threaded cylinder 19 on one side, and the connecting frame 1 is movably connected with a group of fixed bolts 16 on both ends of one side;

[0035] The fixed bolts 16 penetrate one side of the connecting frame 1 and extend into the interior of the threaded cylinder 19, and the fixed bolts 16 are in threaded connection with the threaded cylinder 19;

[0036] Specifically, as shown in Figure 1 and Figure 3 , when the mechanical equipment inside the front rack needs to be overhauled, the two groups of fixed bolts 16 on one side of the connecting frame 1 can be rotated to make the fixed bolts 16 separate from the interior of the threaded cylinder 19, then the movable frame 2 can be pulled off from one side of the connecting frame 1, so that the driving equipment and other components installed inside can be conveniently overhauled, after completion, the movable frame 2 is reset and the fixed bolts 16 are turned into the interior of the threaded cylinder 19, and the fixed bolts 16 are tightened to fix the movable frame 2 through the transmission plate 18, so that the internal equipment can be conveniently disassembled and overhauled.

[0037] Working principle: the utility model discloses when using, when installing, start servo motor 15 drive bidirectional screw rod 11 rotation, bidirectional screw rod 11 is driven two groups of connecting sleeve plate 13 to both ends movement through thread sleeve 14, connecting sleeve plate 13 drive installation sleeve plate 10 open after installation sleeve plate 10 is sleeved in the connecting position of heading machine main body, then start servo motor 15 drive bidirectional screw rod 11 rotation, bidirectional screw rod 11 is driven connecting sleeve plate 13 through thread sleeve 14 and drive installation sleeve plate 10 to retract, connecting sleeve plate 13 drive installation sleeve plate 10 to retract and heading machine main body is connected, and connecting sleeve plate 13 is sleeved in the outside of fixed frame 8 can be positioned installation sleeve plate 10, guarantee the stability after installation sleeve plate 10 is connected, the front frame can simultaneously start the hydraulic rod 4 of movable frame 2 both ends after installation, and hydraulic rod 4 promotes drive plate 5 to move to one side, and drive plate 5 is driven connecting shaft 17 to move to one side through connecting plate 6, and connecting shaft 17 is driven connecting frame 1 to move to one side through transmission plate 18, thereby automatically adjusting the length of the front frame, and connecting shaft 17 is attached in the inside of sliding slot 7 can be positioned transmission plate 18, guarantee the stability when transmission plate 18 is movable, when needing to overhaul the mechanical equipment in the front frame, can rotate the two groups of fixed bolts 16 of connecting frame 1 side, make fixed bolt 16 separate from the inside of thread cylinder 19 after, can pull movable frame 2 and remove it from the one side of connecting frame 1, thereby conveniently overhaul the component such as drive equipment installed in the inside, after finishing, the movable frame 2 is reset and the fixed bolt 16 is turned into the inside of thread cylinder 19, and after the fixed bolt 16 is tightened, can be fixed through transmission plate 18 movable frame 2.

Claims

1. A front frame of a coal mine heading machine, comprising a connecting frame (1), characterized in that: The inside of the connecting frame (1) is movably connected with a movable frame (2), the center line of the connecting frame (1) and the center line of the movable frame (2) are in the same vertical plane, one side of the connecting frame (1) is provided with a group of mounting sleeve plates (10) at both ends, and the outside of the movable frame (2) is provided with a telescopic mechanism for adjusting the length of the rack. The telescopic mechanism comprises a sliding groove (7), both ends of the movable frame (2) are provided with the sliding groove (7), both ends of the movable frame (2) are fixedly connected with a fixed cover (3), the inside of the fixed cover (3) is fixedly connected with a hydraulic rod (4), the output end of the hydraulic rod (4) is fixedly connected with a driving plate (5), one side of the driving plate (5) is fixedly connected with a connecting plate (6), one end of the connecting plate (6) is fixedly connected with a connecting shaft (17), the connecting shaft (17) penetrates through the sliding groove (7) and is fixedly connected with a transmission plate (18), one side of the transmission plate (18) is fixedly connected with a supporting plate (20).

2. The front frame of a coal mine heading machine according to claim 1, characterized in that: The connecting shaft (17) is slidably connected with the sliding groove (7), and the connecting plate (6) is slidably connected with the movable frame (2).

3. The machine frame according to claim 1, characterized in that: The supporting plate (20) is movably connected with the connecting frame (1), and the transmission plate (18) is movably connected with the movable frame (2).

4. The machine frame according to claim 1, characterized in that: One side of the mounting sleeve plate (10) is fixedly connected with a connecting sleeve plate (13), one side of the connecting frame (1) is fixedly connected with a fixed frame (8), both ends in the inside of the fixed frame (8) are fixedly connected with a limiting rod (12), the inside of the fixed frame (8) is movably connected with a bidirectional screw rod (11), one end of the fixed frame (8) is fixedly connected with a servo motor (15), one side of the connecting sleeve plate (13) is fixedly connected with a movable plate (9), and one end of the movable plate (9) is fixedly connected with a threaded sleeve (14).

5. The machine frame according to claim 4, characterized in that: The bidirectional screw rod (11) is threadedly connected with the threaded sleeve (14), and the output end of the servo motor (15) penetrates through one end of the fixed frame (8) and is fixedly connected with the bidirectional screw rod (11).

6. The machine frame according to claim 4, characterized in that: The connecting sleeve plate (13) is movably connected with the fixed frame (8), and the movable plate (9) is slidably connected with the limiting rod (12).

7. The machine frame according to claim 1, characterized in that: One side of the transmission plate (18) is fixedly connected with a threaded cylinder (19), and both ends of one side of the connecting frame (1) are movably connected with a group of fixed bolts (16).

8. The machine frame according to claim 7, characterized in that: The fixed bolt (16) penetrates through one side of the connecting frame (1) and extends into the inside of the threaded cylinder (19), and the threaded cylinder (19) is threadedly connected with the fixed bolt (16).

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