Filling scraper conveyor discharge port plug opening and closing device

Abstract

The present invention discloses a device for opening and closing a plug plate at a discharge port of a filling scraper conveyor. The plug plate is slidably arranged in the middle groove of the scraper conveyor, and comprises: two sets of gear rack mechanisms are respectively arranged at the top and the bottom of the side of the middle groove of the scraper conveyor, and the driving ends of the two sets of gear rack mechanisms are respectively connected to the reciprocating telescopic mechanism; the two reciprocating telescopic mechanisms are arranged on both sides of the plug plate at the discharge port of the middle groove of the scraper conveyor, and the reciprocating telescopic mechanism is also connected to the plug plate. Compared with the plug plate adopting a connecting rod mechanism, at the side of the middle groove of the scraper conveyor, the oil cylinder can be arranged parallel to the middle groove of the scraper conveyor, and the upper part of the plug plate does not need a connecting rod connection, which saves more space; compared with the plug plate adopting a connecting rod mechanism, the gear rack structure is simpler, the fit is tighter, and the transmission is more reliable; compared with the plug plate adopting a connecting rod mechanism, the gear rack structure is easier to protect in an actual complex mine environment and reduces the stagnation of waste rock.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mine filling mining and transportation equipment, and in particular relates to a plug-in opening and closing device for a discharge port of a filling scraper conveyor. Background Art

[0002] The discharge port plug plates of the bottom-discharging scraper conveyors used in the existing dry filling mining of coal mines are mostly driven by oil cylinders. The disadvantage of the middle trough layout of the vertical scraper conveyor is that the size of the plug plates in the push-pull direction is relatively large, which occupies a large space and is not conducive to the use of limited space in coal mines. In order to solve the problem of the large size of the plug plates in the push-pull direction and the large space occupied, the existing technology mostly adopts a connecting rod mechanism to solve it, but this method has a relatively complex structure. Summary of the invention

[0003] The purpose of the present invention is to provide a device for opening and closing a plug plate at a discharge port of a filling scraper conveyor, which solves the problem of complex structure of a connecting rod mechanism.

[0004] In order to solve the above problems, the present invention discloses a filling scraper conveyor discharge port plug plate opening and closing device, the plug plate is slidably arranged in the middle groove of the scraper conveyor, including: two sets of gear rack mechanisms, the two sets of gear rack mechanisms are respectively arranged at the top and bottom ends of the sides of the middle groove of the scraper conveyor, and the driving ends of the two sets of gear rack mechanisms are respectively connected to the reciprocating telescopic mechanisms; two reciprocating telescopic mechanisms, the two reciprocating telescopic mechanisms are arranged on both sides of the plug plate at the discharge port of the scraper conveyor, and the reciprocating telescopic mechanisms are also connected to the plug plate.

[0005] The technical solution of the present invention also has the following characteristics:

[0006] The gear rack mechanism includes: a telescopic component, a rack and a guide rail; one end of the telescopic component is fixed to the side wall of the middle groove of the scraper conveyor, and the other end is connected to one end of the rack; the other end of the rack is placed in the guide rail.

[0007] The telescopic assembly, the rack and the guide rail are located on the same horizontal plane.

[0008] The telescopic component is an oil cylinder, which is fixed to the side wall of the middle groove of the scraper conveyor through an oil cylinder seat.

[0009] The reciprocating telescopic mechanism comprises: an ear plate and a rolling gear; the ear plate is welded to both sides of the plug plate at the discharge port of the middle trough of the scraper conveyor, and the rolling gear is connected to the ear plate through a pin shaft; the rolling gear is meshed with the rack for transmission.

[0010] The two sides of the flapper also have teeth that mesh with the rolling gear.

[0011] The beneficial effects of the present invention are:

[0012] (1) Compared with the connecting rod mechanism of the plug plate, the oil cylinder can be arranged parallel to the middle groove of the scraper on the side of the middle groove of the scraper, and the upper part of the plug plate does not need to be connected with a connecting rod, which saves more space;

[0013] (2) Compared with the connecting rod mechanism adopted by the plug plate, the gear rack structure is simpler, the fit is tighter, and the transmission is more reliable;

[0014] (3) Compared with the connecting rod mechanism of the plug plate, the gear rack structure is easier to protect in the actual complex mining environment and reduce the jamming of waste rock. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the discharging port plug opening and closing device of the filling scraper conveyor of the present invention;

[0016] Figure 2 It is a side view of the discharging port plug-in opening and closing device of the filling scraper conveyor of the present invention.

[0017] In the figure: 1. middle trough of scraper conveyor, 2. discharge port, 3. plug plate, 4. rack, 5. guide rail, 6. ear plate, 7. rolling gear, 8. cylinder, 9. cylinder seat. DETAILED DESCRIPTION

[0018] The following will describe the implementation methods of the present invention in detail with reference to the embodiments, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0019] like Figure 1-2 As shown, a filling scraper conveyor discharge port plug-in opening and closing device, the plug-in plate 3 is slidably arranged in the middle groove 1 of the scraper conveyor, including: two sets of gear rack mechanisms, the two sets of gear rack mechanisms are respectively arranged at the top and bottom ends of the side of the middle groove 1 of the scraper conveyor, and the driving ends of the two sets of gear rack mechanisms are respectively connected to the reciprocating telescopic mechanisms; two reciprocating telescopic mechanisms, the two reciprocating telescopic mechanisms are arranged on both sides of the plug-in plate at the discharge port 2 of the middle groove 1 of the scraper conveyor, and the reciprocating telescopic mechanisms are also connected to the plug-in plate.

[0020] The gear rack mechanism includes: a telescopic component, a rack 4 and a guide rail 5; one end of the telescopic component is fixed to the side wall of the middle groove 1 of the scraper conveyor, and the other end is connected to one end of the rack 4; the other end of the rack 4 is placed in the guide rail 5.

[0021] The telescopic assembly, the rack 4 and the guide rail 5 are located on the same horizontal plane.

[0022] The telescopic component is a cylinder 8, which is fixed to the side wall of the middle groove 1 of the scraper conveyor through a cylinder seat 9.

[0023] The reciprocating telescopic mechanism includes: an ear plate 6 and a rolling gear 7; the ear plate 6 is welded to both sides of the plug plate 3 at the discharge port 2 of the middle groove 1 of the scraper conveyor, and the rolling gear 7 is connected to the ear plate 6 through a pin shaft; the rolling gear 7 is meshed with the rack 4 for transmission.

[0024] The two sides of the inserting plate 3 also have teeth meshing with the rolling gear 7.

[0025] The working principle of the present invention is:

[0026] The two oil cylinders 8 extend and retract, driving the rack 4 to reciprocate along the guide rail 5; the two racks 4 are respectively meshed with the rolling gears 7 to rotate the rolling gears 7; the two rolling gears 7 are respectively meshed with the teeth on both sides of the insert plate 3, and the insert plate 3 is rotated to enter and move out of the discharge port 2.

[0027] The advantages of the present invention are:

[0028] Compared with the connecting rod mechanism of the insert plate 3, the oil cylinder 8 can be arranged parallel to the middle groove 1 of the scraper conveyor on the side of the middle groove 1 of the scraper conveyor, and the upper part of the insert plate 3 does not need to be connected with a connecting rod, which saves more space;

[0029] Compared with the connecting rod mechanism adopted by the plug board 3, the gear rack structure is simpler, the fit is tighter, and the transmission is more reliable;

[0030] Compared with the connecting rod mechanism adopted by the plug plate 3, the gear rack structure is easier to protect in the actual complex mine environment and reduces the sticking of waste rock.

Claims

1. A device for opening and closing a plug plate at a discharge port of a filling scraper conveyor, wherein the plug plate (3) is slidably arranged in a middle groove (1) of the scraper conveyor, and is characterized in that: include: Two sets of rack and pinion mechanisms, the two sets of rack and pinion mechanisms are respectively arranged at the top and bottom ends of the sides of the middle groove (1) of the scraper conveyor, and the driving ends of the two sets of rack and pinion mechanisms are respectively connected to the reciprocating telescopic mechanisms; Two reciprocating telescopic mechanisms, the two reciprocating telescopic mechanisms being arranged on both sides of a plug plate (3) at a discharge port (2) of a middle trough (1) of the scraper conveyor, and the reciprocating telescopic mechanisms being connected to the plug plate (3); The rack and pinion mechanism comprises: a telescopic assembly, a rack (4) and a guide rail (5); one end of the telescopic assembly is fixed to the side wall of the middle groove (1) of the scraper conveyor, and the other end is connected to one end of the rack (4); the other end of the rack (4) is placed in the guide rail (5); The telescopic assembly, the rack (4) and the guide rail (5) are located on the same horizontal plane; The telescopic component is a cylinder (8) fixed to the side wall of the middle trough (1) of the scraper conveyor through a cylinder seat (9); The reciprocating telescopic mechanism comprises an ear plate (6) and a rolling gear (7); the ear plate (6) is welded to both sides of a plug plate (3) at a discharge port (2) of a middle trough (1) of a scraper conveyor, and the rolling gear (7) is connected to the ear plate (6) via a pin shaft; the rolling gear (7) is meshed with a rack (4) for transmission; The two sides of the insert plate (3) also have teeth that mesh with the rolling gear (7).

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