Coal scattering prevention device for measuring hopper of main shaft

Abstract

The utility model discloses an anti-coal-scattering device for a measuring hopper of a main shaft. The anti-coal-scattering device comprises a chute; the coal scattering prevention mechanism is arranged on the surface of the chute, and the coal scattering prevention mechanism is used for reducing the coal scattering amount of the main shaft bottom; and the auxiliary mechanism is arranged on the surface of the coal scattering prevention mechanism, and the auxiliary mechanism is used for improving the using effect of the coal scattering prevention mechanism. According to the coal scattering prevention device for the measuring hopper of the main shaft, the coal scattering prevention mechanism is arranged, so that the coal scattering amount at the bottom of the main shaft can be effectively reduced under the action of the coal scattering prevention mechanism, damage caused by corrosion of a tail rope of the main shaft due to water immersion and coal slime is reduced to the maximum extent, the service life of the tail rope of the main shaft is prolonged, and safe operation of the main shaft is guaranteed; and meanwhile, the main shaft bottom desilting workload is reduced, the desilting labor intensity of workers is reduced, the influence of burning loss of the water pump caused by main shaft bottom pump pit sedimentation is indirectly avoided, and the replacement frequency of the submersible pump and the inspection frequency of maintenance workers are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine equipment technical field especially relates to a main shaft ration hopper anti coal scattering device. BACKGROUND

[0002] The mine raw coal (gangue) is transported into the main shaft bottom ration hopper through the coal bunker bottom loading chamber coal feeder and the belt conveyor, is unloaded to the main shaft skip through the ration hopper flap and is hoisted to the ground screening workshop after the main shaft skip, in the whole link, the ration hopper flap action, the gap and the height difference between the slide plate and the skip coal loading port and the coal (gangue) adhesion degree are the key factors restricting the skip loading, the main shaft bottom coal (gangue) quantity. Through long-term observation, it is found that during the loading process of the skip, the coal (gangue) in the raw coal (gangue) is often large in water content, the coal (gangue) at the ration hopper slide plate is not unloaded cleanly, the gap between the ration hopper and the skip is too large, the coal (gangue) is not loaded into the skip, and the coal (gangue) mud is scattered into the shaft, part of the coal mud splashes on the tail rope, causes the tail rope to be immersed and corroded, and affects the service life; the main shaft bottom dredging workload is increased.

[0003] The utility model discloses a mine loading ration hopper anti coal sliding device, after the skip coal loading is finished, the cylinder drives the piston rod, makes the vertical gate seal dead end, when the coal sliding device has the residual coal and appears to slide, the vertical gate blocks the residual coal on the coal outlet, will not cause damage to the tail rope, tail rope blocking beam and other shaft facilities in operation, increases the safety factor, can guarantee the safe and stable operation of the system.

[0004] However, the present inventors found the following defects when implementing the device: the ration hopper slide plate and the skip overlap gap can cause coal scattering during the loading process. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a main shaft ration hopper anti coal scattering device aiming at the above technical problems, by setting the anti coal scattering mechanism, the anti coal scattering mechanism can effectively reduce the main shaft bottom coal scattering amount, maximize the reduction of the damage caused by the immersion and coal mud of the main shaft tail rope, prolong the service life of the main shaft tail rope, provide protection for the safe operation of the main shaft, reduce the main shaft bottom dredging workload and the labor intensity of the workers, indirectly avoid the influence of the main shaft bottom pump pit accumulation on the water pump, reduce the replacement frequency of the submersible pump and the inspection frequency of the maintenance workers.

[0006] The utility model adopts the following technical solutions:

[0007] A main shaft ration hopper anti coal scattering device is applied to the main shaft ration hopper anti coal.

[0008] The anti coal scattering device specifically includes:

[0009] The chute;

[0010] The anti-spilling mechanism is arranged on the surface of the chute, and is used for reducing the amount of coal spilling at the bottom of the main shaft.

[0011] The auxiliary mechanism is arranged on the surface of the anti-spilling mechanism, and is used for improving the use effect of the anti-spilling mechanism.

[0012] As a preferred embodiment of the anti-spilling device for the main shaft quantitative hopper provided by the utility model, the anti-spilling mechanism comprises two side plates, a connecting block and a tongue plate, the two side plates are arranged on the two sides of the chute respectively, the connecting block is fixedly connected to the top of the chute, one end of the side plate is rotatably connected to the surface of the connecting block, and the tongue plate is fixedly connected between the two side plates.

[0013] As a preferred embodiment of the anti-spilling device for the main shaft quantitative hopper provided by the utility model, the anti-spilling mechanism further comprises two first hydraulic push rods and a connecting shaft, the connecting shaft is fixedly connected between the two side plates and below the side plates, and the output shaft of the first hydraulic push rod is rotatably connected to the surface of the connecting shaft.

[0014] As a preferred embodiment of the anti-spilling device for the main shaft quantitative hopper provided by the utility model, the anti-spilling mechanism further comprises a first transmission wheel, a transmission belt and a second transmission wheel, one end of the side plate is fixedly connected to the first transmission wheel, and the first transmission wheel is in transmission connection with the second transmission wheel through the transmission belt.

[0015] As a preferred embodiment of the anti-spilling device for the main shaft quantitative hopper provided by the utility model, the anti-spilling mechanism further comprises a rotating shaft and a baffle, the rotating shaft is rotatably connected to the top of the chute, one end of the rotating shaft is fixedly connected to the surface of the second transmission wheel, and the baffle is slidably connected to the inner wall of the chute.

[0016] As a preferred embodiment of the anti-spilling device for the main shaft quantitative hopper provided by the utility model, the surface of the rotating shaft is fixedly connected with a connecting steel rope, and the other end of the connecting steel rope is fixedly connected to the top of the baffle.

[0017] As a preferred embodiment of the anti-spilling device for the main shaft quantitative hopper provided by the utility model, the auxiliary mechanism comprises two second hydraulic push rods and two auxiliary plates, the two second hydraulic push rods are arranged on the opposite sides of the two side plates respectively, the two auxiliary plates are arranged between the two side plates in a V shape, and one end of the auxiliary plate is rotatably connected to the surface of the side plate.

[0018] As a preferred embodiment of the coal scattering prevention device for the main shaft quantitative hopper provided by the utility model, the auxiliary mechanism further comprises a groove and a pressure sensor, the groove is arranged on the surface of the tongue plate, and the pressure sensor is arranged in the groove.

[0019] As a preferred embodiment of the coal scattering prevention device for the main shaft quantitative hopper provided by the utility model, the auxiliary mechanism further comprises a pressing plate, a connecting rod and a connecting ring, the pressing plate is arranged above the tongue plate and corresponds to the groove, one end of the connecting rod is fixedly connected to the bottom of the pressing plate, and the lower end of the connecting rod penetrates through the tongue plate and is fixedly connected to the top of the connecting ring.

[0020] As a preferred embodiment of the coal scattering prevention device for the main shaft quantitative hopper provided by the utility model, the top of the connecting ring is fixedly connected with a spring located outside the connecting rod, and the other end of the spring is fixedly connected to the surface of the tongue plate.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The coal scattering prevention device for the main shaft quantitative hopper provided by the utility model can effectively reduce the coal scattering amount at the bottom of the main shaft under the action of the coal scattering prevention mechanism, maximally reduce the damage caused by the rust of the tail rope of the main shaft due to water immersion and coal slime, prolong the service life of the tail rope of the main shaft, and provide protection for the safe operation of the main shaft; meanwhile, the coal scattering prevention device can reduce the dredging workload at the bottom of the main shaft, reduce the labor intensity of workers in dredging, indirectly avoid the influence of the burning of the water pump caused by the accumulation of the pump pit at the bottom of the main shaft, and reduce the replacement frequency of the submersible pump and the inspection frequency of maintenance workers.

[0023] The auxiliary mechanism and the coal scattering prevention mechanism work cooperatively, and can effectively reduce the residual coal block scattering and leakage after the coal loading is completed. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the scheme in the utility model, the drawings needed in the embodiment description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 The structure schematic view of the coal scattering prevention device provided by the utility model is shown in the figure.

[0026] Figure 2 The structure schematic view of the coal scattering prevention mechanism provided by the utility model is shown in the figure.

[0027] Figure 3 The connection schematic of the first transmission wheel, the second transmission wheel and the transmission belt provided by the utility model is shown in the figure.

[0028] Figure 4 The distribution of the tongue plate and the auxiliary mechanism is shown in the utility model;

[0029] Figure 5 For Figure 4 The enlarged view of A in the middle.

[0030] The marks in the figure are explained as follows:

[0031] 1, chute;

[0032] 2, anti-coal scattering mechanism; 201, side plate; 202, connecting block; 203, tongue plate; 204, first hydraulic push rod; 205, connecting shaft;

[0033] 2101, first transmission wheel; 2102, transmission belt; 2103, rotating shaft; 2104, connecting steel rope; 2105, second transmission wheel; 2106, baffle;

[0034] 3, auxiliary mechanism; 301, second hydraulic push rod; 302, auxiliary plate; 303, pressing plate; 304, connecting rod; 305, spring; 306, pressure sensor; 307, connecting ring. DETAILED DESCRIPTION

[0035] In order for those skilled in the art to better understand the utility model scheme, the technical solutions in the utility model embodiments will be clearly and completely described below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the utility model.

[0036] As described in the background, the quantitative hopper chute and the gap between the hopper will cause the coal scattering during the coal loading process.

[0037] In order to solve this technical problem, the utility model provides a main shaft quantitative hopper anti-coal scattering device, which is applied to the main shaft quantitative hopper anti-coal scattering.

[0038] Specifically, please refer to Figures 1-3 The anti-coal scattering device specifically comprises:

[0039] Chute 1;

[0040] Anti-coal scattering mechanism 2, the anti-coal scattering mechanism 2 is arranged on the surface of the chute 1, and the anti-coal scattering mechanism 2 is used for reducing the coal scattering amount at the bottom of the main shaft;

[0041] The auxiliary mechanism 3 is arranged on the surface of the coal scattering prevention mechanism 2, and is used for improving the use effect of the coal scattering prevention mechanism 2.

[0042] The main shaft quantitative hopper coal scattering prevention device provided by the utility model can effectively reduce the coal scattering amount of the main shaft bottom under the action of the coal scattering prevention mechanism 2, maximally reduce the damage caused by the corrosion of the main shaft tail rope due to immersion and coal slime, prolong the service life of the main shaft tail rope, provide guarantee for the safe operation of the main shaft, reduce the main shaft bottom dredging workload and the labor intensity of workers, indirectly avoid the influence of the burning of the water pump caused by the pump pit accumulation of the main shaft bottom, and reduce the replacement frequency of the submersible pump and the inspection frequency of maintenance workers.

[0043] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.

[0044] It should be noted that, in the case of no conflict, the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other.

[0045] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0046] Embodiment one

[0047] Please refer to Figures 1-5 A main shaft quantitative hopper coal scattering prevention device includes two side plates 201, a connecting block 202 and a tongue plate 203, the two side plates 201 are arranged on the two sides of the chute 1 respectively, the connecting block 202 is fixedly connected to the top of the chute 1, one end of the side plate 201 is rotatably connected to the surface of the connecting block 202, and the tongue plate 203 is fixedly connected between the two side plates 201.

[0048] The coal scattering prevention mechanism 2 further includes two first hydraulic push rods 204 and a connecting shaft 205, the connecting shaft 205 is fixedly connected between the two side plates 201 and located below the side plates 201, and the output shaft of the first hydraulic push rod 204 is rotatably connected to the surface of the connecting shaft 205.

[0049] Please refer to Figure 1 、 2 、3, the coal scattering prevention mechanism 2 further includes a first transmission wheel 2101, a transmission belt 2102 and a second transmission wheel 2105, the first transmission wheel 2101 is fixedly connected to one end of one of the side plates 201 close to the connecting block 202, and the first transmission wheel 2101 is in transmission connection with the second transmission wheel 2105 through the transmission belt 2102.

[0050] The anti-spilling coal device provided by the embodiment can drive the connecting shaft 205 to push the two side plates 201 to move under the action of the output shaft of the first hydraulic push rod 204, and the movement track rotates with the connecting part of the two side plates 201 and the connecting block 202 as the center, and in this process, the tongue plate 203 can be brought into contact with the bottom of the chute 1, so that the tongue plate 203 is used to reduce the overlap distance between the quantitative hopper chute plate and the bucket, and in the process of rotation of the side plate 201, the first transmission wheel 2101 can be synchronously rotated, and then the second transmission wheel 2105 can be synchronously rotated under the action of the transmission belt 2102, and the diameter ratio of the first transmission wheel 2101 and the second transmission wheel 2105 is not less than three to one.

[0051] Embodiment two

[0052] The anti-spilling coal device provided by the embodiment is further optimized, and specifically, as shown in FIG. 3, the anti-spilling coal mechanism 2 further includes a rotating shaft 2103 and a baffle 2106, the rotating shaft 2103 is rotationally connected to the top of the chute 1, one end of the rotating shaft 2103 is fixedly connected to the surface of the second transmission wheel 2105, and the baffle 2106 is slidingly connected to the inner wall of the chute 1.

[0053] The surface of the rotating shaft 2103 is fixedly connected with a connecting steel rope 2104, and the other end of the connecting steel rope 2104 is fixedly connected with the top of the baffle 2106.

[0054] Through the above structure design, the rotating shaft 2103 can be rotated under the joint action of the first transmission wheel 2101, the transmission belt 2102 and the second transmission wheel 2105 in the process of rotation of the side plate 201, so that the effect of winding the connecting steel rope 2104 is realized, the baffle 2106 is moved upward, so that the coal can slide out of the inside of the chute 1, and when the side plate 201 is not turned over, the baffle 2106 can be used to block the chute 1 to prevent coal spilling.

[0055] Embodiment three

[0056] The anti-spilling coal device provided by the embodiment is further optimized, and specifically, as shown in FIG. 3, the anti-spilling coal mechanism 2 further includes a rotating shaft 2103 and a baffle 2106, the rotating shaft 2103 is rotationally connected to the top of the chute 1, one end of the rotating shaft 2103 is fixedly connected to the surface of the second transmission wheel 2105, and the baffle 2106 is slidingly connected to the inner wall of the chute 1. Figures 4-5

[0057] The auxiliary mechanism 3 further includes a groove and a pressure sensor 306, the groove is opened on the surface of the tongue plate 203, and the pressure sensor 306 is arranged in the groove.

[0058] ​Specifically, the auxiliary mechanism 3 further comprises a programmable controller for receiving the signal of the pressure sensor 306 and controlling the second hydraulic push rod 301

[0059] In actual implementation, the output shafts of the two second hydraulic push rods 301 keep the two auxiliary plates 302 in V-shaped arrangement in normal state, so that the coal blocks scattered on the tongue plate 203 after the coal sliding guided by the tongue plate 203 can be intercepted, and the coal blocks can not fall into the main shaft bottom after the tongue plate 203 is reset, by pressing the pressure sensor 306, the pressure detected by the pressure sensor 306 can be transmitted to the programmable controller, and the controller transmits the preset instruction to the second hydraulic push rod 301 after receiving the signal transmitted by the pressure sensor 306, so that the second hydraulic push rod 301 drives the output shaft to contract, and the two auxiliary plates 302 rotate away synchronously, so that the tongue plate 203 can be used for guiding the coal to slide.

[0060] Embodiment four

[0061] The anti-scattering coal device provided in the above embodiments is further optimized, and the anti-scattering coal device comprises a tongue plate 203, a side plate 201, an auxiliary mechanism 3 and a second hydraulic push rod 301. Figure 5 As shown in the figure, the auxiliary mechanism 3 further comprises a pressing plate 303, a connecting rod 304 and a connecting ring 307, the pressing plate 303 is arranged above the tongue plate 203 and corresponds to the groove, one end of the connecting rod 304 is fixedly connected to the bottom of the pressing plate 303, and the lower end of the connecting rod 304 penetrates out of the tongue plate 203 and is fixedly connected to the top of the connecting ring 307.

[0062] The top of the connecting ring 307 is fixedly connected with a spring 305 located outside the connecting rod 304, and the other end of the spring 305 is fixedly connected to the surface of the tongue plate 203.

[0063] In the process of the side plate 201 driving the tongue plate 203 to overturn, the bottom of the chute 1 can extrude the pressing plate 303, so that the pressing plate 303 drives the connecting rod 304 to gradually penetrate through the tongue plate 203 and stretch the spring 305, and at the same time, the pressing plate 303 is inserted into the inside of the groove to press the pressure sensor 306, so that the position of the auxiliary plate 302 can be adjusted under the action of the programmable controller in cooperation with the second hydraulic push rod 301

[0064] The use process of the anti-scattering coal device is as follows:

[0065] By starting the first hydraulic push rod 204, the two side plates 201 can be driven to move under the action of the first hydraulic push rod 204 output shaft extension, and the movement trajectory is centered on the connection between the two side plates 201 and the connecting block 202. In this process, the tongue plate 203 can be brought into contact with the bottom of the chute 1, realizing the use of the tongue plate 203 to reduce the overlap distance between the quantitative hopper chute and the bucket, and the first transmission wheel 2101 can be driven to rotate synchronously in the process of the side plate 201 rotating, and the rotating shaft 2103 is driven to rotate under the joint action of the first transmission wheel 2101, the transmission belt 2102 and the second transmission wheel 2105, thereby realizing the effect of winding the connecting steel wire 2104, so that the baffle 2106 moves upwards to enable the coal to slide out from the inside of the chute 1, and when the side plate 201 is not turned over, the baffle 2106 can be used to block the chute 1 to prevent coal from being scattered.

[0066] In the utility model, unless another definite provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and the like terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication or two element interaction relationship, unless another definite limitation. For ordinary skilled in the art, the above terms can be understood according to the specific meaning in the utility model.

[0067] Obviously, the above-described embodiments are only part of the embodiments of the utility model, not all embodiments, and the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model. The utility model can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacement to part of the technical features. Any equivalent structure made by using the contents of the utility model specification and drawings, directly or indirectly applied in other related technical fields, is also within the patent protection range of the utility model.

Claims

1. A coal anti-spillage device for a main shaft quantitative hopper, characterized in that, It includes Chute (1); Anti-coal mechanism (2) is arranged on the surface of the chute (1), and is used for reducing the coal scattering amount of the main well bottom; Auxiliary mechanism (3) is arranged on the surface of the anti-coal mechanism (2), and is used for improving the use effect of the anti-coal mechanism (2).

2. The main shaft quantitative hopper coal anti-spillage device according to claim 1, characterized in that, The anti-coal mechanism (2) includes two side plates (201), a connecting block (202) and a tongue plate (203), two side plates (201) are arranged on both sides of the chute (1), the connecting block (202) is fixedly connected to the top of the chute (1), one end of the side plate (201) is rotatably connected to the surface of the connecting block (202), and the tongue plate (203) is fixedly connected between the two side plates (201).

3. The main shaft quantitative hopper coal anti-spillage device according to claim 2, characterized in that, The anti-coal mechanism (2) further includes two first hydraulic push rods (204) and a connecting shaft (205), the connecting shaft (205) is fixedly connected between the two side plates (201) and located below the side plates (201), and the output shaft of the first hydraulic push rod (204) is rotatably connected to the surface of the connecting shaft (205).

4. The main shaft quantitative hopper coal anti-spillage device according to claim 3, characterized in that, The anti-coal mechanism (2) further includes a first transmission wheel (2101), a transmission belt (2102) and a second transmission wheel (2105), the first transmission wheel (2101) is fixedly connected to one end of the side plate (201) close to the connecting block (202), and the first transmission wheel (2101) is in transmission connection with the second transmission wheel (2105) through the transmission belt (2102).

5. The main shaft quantitative hopper coal anti-spillage device according to claim 4, characterized in that, The anti-coal mechanism (2) further includes a rotating shaft (2103) and a baffle (2106), the rotating shaft (2103) is rotatably connected to the top of the chute (1), one end of the rotating shaft (2103) is fixedly connected to the surface of the second transmission wheel (2105), and the baffle (2106) is slidably connected to the inner wall of the chute (1).

6. The main shaft quantitative hopper coal anti-spillage device according to claim 5, characterized in that, The surface of the rotating shaft (2103) is fixedly connected with a connecting steel wire (2104), and the other end of the connecting steel wire (2104) is fixedly connected to the top of the baffle (2106).

7. The main shaft quantitative hopper coal anti-spillage device according to claim 2, characterized in that, The auxiliary mechanism (3) includes two second hydraulic push rods (301) and two auxiliary plates (302), the two second hydraulic push rods (301) are arranged on the opposite sides of the two side plates (201), the two auxiliary plates (302) are arranged in a V shape between the two side plates (201), and one end of the auxiliary plate (302) is rotatably connected to the surface of the side plate (201).

8. The main shaft quantitative hopper coal anti-spillage device according to claim 2, characterized in that, The auxiliary mechanism (3) further includes a groove and a pressure sensor (306), the groove is arranged on the surface of the tongue plate (203), and the pressure sensor (306) is arranged in the groove.

9. The main shaft quantitative hopper coal anti-spillage device according to claim 8, characterized in that, The auxiliary mechanism (3) further comprises a pressing plate (303), a connecting rod (304) and a connecting ring (307), the pressing plate (303) is arranged above the tongue plate (203) and corresponds to the groove, one end of the connecting rod (304) is fixedly connected to the bottom of the pressing plate (303), and the lower end of the connecting rod (304) penetrates out of the tongue plate (203) and is fixedly connected to the top of the connecting ring (307).

10. The main shaft quantitative hopper coal anti-spillage device according to claim 9, characterized in that, The top of the connecting ring (307) is fixedly connected with a spring (305) located outside the connecting rod (304), and the other end of the spring (305) is fixedly connected to the surface of the tongue plate (203).

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