阅读说明：本技术 垂直升降卸料器导向装置 (Guide device of vertical lifting discharger ) 是由 张媛 孙长征 刘洪刚 丁冉 侯玉朋 于 2021-01-13 设计创作，主要内容包括：本发明涉及物料输送装置技术领域,具体地说就是垂直升降卸料器导向装置,为解决上述使用单个伸缩推动机构来单点提升,容易使犁头产生不平衡问题,本发明提供了垂直升降卸料器导向装置,包括龙门架、吊架和卸料器犁头,龙门架包括两侧的立杆和上部的横梁,横梁上设有伸缩推动机构,吊架固连在伸缩推动机构的伸缩杆上,吊架两端均设有滑轮组,滑轮组与立杆相配合,卸料器犁头固连在吊架下侧,本装置运行平稳可靠,无卡死现象,检修维护量小,尤其是对于大运量、大带宽、高带速的带式输送机的卸料器具有突出优势。(The invention relates to the technical field of material conveying devices, in particular to a guide device of a vertical lifting discharger, which aims to solve the problem that a plough head is easy to unbalance due to the fact that a single telescopic pushing mechanism is used for single-point lifting.)

1. Vertical lift tripper guider, including portal frame (1), gallows (2) and tripper ploughshare (3), portal frame (1) includes pole setting (101) and crossbeam (102) on upper portion of both sides, be equipped with flexible pushing mechanism (4) on crossbeam (102), gallows (2) link firmly on the telescopic link of flexible pushing mechanism (4), gallows (2) both ends are equipped with assembly pulley (5), assembly pulley (5) cooperate with pole setting (101), tripper ploughshare (3) link firmly at gallows (2) downside.

2. The vertical lift discharger guide apparatus of claim 1 wherein: the tripper ploughshare (3) comprises an inclined plate (301), a support frame (302) is arranged on the rear side of the inclined plate (301), the upper portion of the support frame (302) is fixedly connected with the hanging bracket (2), and the tripper ploughshare (3) runs up and down in the vertical direction.

3. The vertical lift discharger guide apparatus of claim 2 wherein: tripper ploughshare (3) still include energy recuperation device (6), the right side of slant board (301) has linked firmly excess board (303), excess board (303) downside is equipped with impeller mouth (304), the rear side of excess board (303) is equipped with generator (601), the downside of generator (601) links firmly impeller (602) through the pivot, flabellum (603) of impeller (602) pass impeller mouth (304) and stretch out to excess board (303) front side.

4. The vertical lift discharger guide apparatus of claim 3 wherein: impeller (602) includes rotation axis (604), rotation axis (604) evenly sets up a plurality of flabellums (603) along the circumference, flabellum (603) are including upper buffer segment (605) on upper portion, middle flabellum board (606) and lower buffer segment (607) of lower part, flabellum board (606) are the rectangle form, upper buffer segment (605) are ascending taper board, lower buffer segment (607) are decurrent taper board, rotation axis (604) downside still is equipped with coniform buffering contact piece (608).

5. The vertical lift discharger guide apparatus of claim 4 wherein: a feedback device (7) is further arranged right below the impeller (602), the feedback device (7) comprises a supporting column (701) fixed on the ground, a contact plate (702) is arranged on the supporting column (701), a contact groove (703) is arranged on the contact plate (702), and the contact groove (703) is located right below the buffer contact block (608).

6. The vertical lift discharger guide apparatus of claim 5 wherein: the bottom of the contact groove (703) is provided with a conductive metal sheet (704), the conductive metal sheet (704) is connected with an external circuit, the impeller (602) is made of metal, and the upper end of the impeller (602) is connected with the external circuit through a contact piece.

7. The vertical lift discharger guide apparatus of claim 6 wherein: the electric generator (601) is externally connected with an electric cabinet and a storage battery, and the electric cabinet internally comprises a controller which can control the telescopic pushing mechanism (4), the electric generator (601) and a controller which can receive and process electric signals.

8. The vertical lift discharger guide apparatus of claim 1 wherein: the vertical rod (101) is of a circular tube structure or a profile steel structure, and the pulley block (5) moves up and down along the vertical rod (101).

9. The vertical lift discharger guide apparatus of claim 2 wherein: the inclined plate (301) on the plough head of the discharger is a plane or an arc surface.

10. The vertical lift discharger guide apparatus of claim 1 wherein: the telescopic pushing mechanism (4) is a hydraulic cylinder or an electric cylinder.

Technical Field

The invention relates to the technical field of material conveying devices, in particular to a guide device of a vertical lifting discharger.

Background

The plough type unloading machine is a coal unloading and separating machine, and the electro-hydraulic plough type unloading machine uses an electric hydraulic telescopic rod as a power source, and when the electric hydraulic plough type unloading machine works, the electric hydraulic telescopic rod extends out to act on a driving rod through the telescopic rod, so that a frame is driven to advance, a plough coulter falls down, a leveling roller set is supported, a working surface of an adhesive tape is flat and straight, the lower edge of the plough coulter is tightly attached to the adhesive tape surface, and materials on a conveying belt are unloaded into a hopper (hopper) or a required place. When the unloading is finished, the telescopic rod is started to retract, the frame is driven to retreat, the coulter is lifted upwards, and the variable groove angle carrier roller group is changed from flat shape to groove shape, so that the working surface of the adhesive tape is restored to the groove shape state.

The belt conveyor tripper is commonly used in the field of material conveying such as raw coal bins of coal conveying systems in power plants, and the vertical lifting tripper is characterized in that a telescopic pushing mechanism on the upper portion is used for single-point lifting, so that a plough share is unbalanced in stress when lifted, the plough share is blocked and cannot be lifted, or the plough share is not blocked and is not blocked, but the lifting resistance is increased, so that the telescopic pushing mechanism is frequently damaged.

Disclosure of Invention

In order to solve the problem that the plowshare is easy to unbalance due to the fact that a single telescopic pushing mechanism is used for single-point lifting, the invention provides the guide device of the vertical lifting discharger, the device is stable and reliable in operation, free of blocking phenomenon and small in overhaul and maintenance amount, and the guide device has outstanding advantages particularly for the discharger of a belt conveyor with large transportation capacity, large belt width and high belt speed.

The technical scheme adopted by the invention for solving the technical problems is as follows: vertical lift tripper guider, including portal frame (1), gallows (2) and tripper ploughshare (3), portal frame (1) includes pole setting (101) and crossbeam (102) on upper portion of both sides, be equipped with flexible pushing mechanism (4) on crossbeam (102), gallows (2) link firmly on the telescopic link of flexible pushing mechanism (4), gallows (2) both ends are equipped with assembly pulley (5), assembly pulley (5) cooperate with pole setting (101), tripper ploughshare (3) link firmly at gallows (2) downside.

Preferably, the discharger plowshare (3) comprises an inclined plate (301), a support frame (302) is arranged on the rear side of the inclined plate (301), the upper portion of the support frame (302) is fixedly connected with the hanging bracket (2), and the discharger plowshare (3) runs up and down in the vertical direction.

As optimization, tripper ploughshare (3) still includes energy recuperation device (6), the right side of slant board (301) has linked firmly excess board (303), excess board (303) downside is equipped with impeller mouth (304), the rear side of excess board (303) is equipped with generator (601), the downside of generator (601) links firmly impeller (602) through the pivot, flabellum (603) of impeller (602) pass impeller mouth (304) and stretch out to excess board (303) front side.

Preferably, the impeller (602) comprises a rotating shaft (604), the rotating shaft (604) is uniformly provided with a plurality of fan blades (603) along the circumference, each fan blade (603) comprises an upper buffer section (605) at the upper part, a middle fan blade plate (606) and a lower buffer section (607) at the lower part, each fan blade plate (606) is rectangular, each upper buffer section (605) is an upward conical plate, each lower buffer section (607) is a downward conical plate, a conical buffer contact block (608) is further arranged at the lower side of the rotating shaft (604), the impeller and the plough head of the discharger integrally move up and down, when materials are blocked downwards, the conical buffer contact block at the impeller and the conical lower buffer section can be effectively prevented from being blocked by the materials such as coal and the like, equipment is prevented from being damaged, when the plough head of the discharger descends to charge, the materials such as coal impact the impeller to enable the impeller to rotate to generate electricity, at the moment, if the conveying capacity of materials such as coal in unit time is large, the height of the materials such as coal can be higher than that of the impeller, so that the materials such as coal are clamped by the impeller from top to bottom, and in order to prevent the situation, the conical upper buffer section on the impeller can effectively prevent the materials on the upper side from clamping the impeller.

As optimization, a feedback device (7) is further arranged right below the impeller (602), the feedback device (7) comprises a supporting column (701) fixed on the ground, a contact plate (702) is arranged on the supporting column (701), a contact groove (703) is arranged on the contact plate (702), the contact groove (703) is located right below the buffer contact block (608), and the buffer contact block (608) can be in contact with the bottom of the contact groove (703).

The impeller of the device simultaneously has the following functions: (1) the impeller rotates to generate electricity; (2) the impeller conducts diversion and stabilization on the materials; (3) the impeller serves as a passage for detecting and feeding back signals.

As optimization, the bottom of the contact groove (703) is provided with a conductive metal sheet (704), the conductive metal sheet (704) is connected with an external circuit, the impeller (602) is made of metal, the upper end of the impeller (602) is connected with the external circuit through a contact piece, when the buffer contact block (608) is in contact with the bottom of the contact groove (703), a closed path capable of giving a feedback signal is formed, a feedback device arranged by the device can detect whether the plow share of the unloader is lowered to the lowest position, when a mechanical fault occurs, the feedback signal can be reported in error at the first time, further loss is avoided, the feedback device utilizes the impeller to transmit an electric signal, the bottom end of the impeller is supported in the contact groove of the contact plate through the buffer contact block, and the impeller is further stabilized.

As optimization, the electric generator (601) is externally connected with an electric cabinet and a storage battery, and the electric cabinet internally comprises a controller which can control the telescopic pushing mechanism (4), the electric generator (601) and a controller which can receive and process electric signals.

As optimization, the vertical rod (101) is of a circular tube structure or a profile steel structure, and the pulley block (5) moves up and down along the vertical rod (101).

Preferably, the inclined plate (301) on the plow head of the discharger is a plane or a cambered surface.

Preferably, the telescopic pushing mechanism (4) is a hydraulic cylinder or an electric cylinder.

Compared with the prior art, the beneficial effect of this scheme is: the device can realize the function of stable up-and-down motion of the vertical lifting discharger on the portal frame column, has no jamming phenomenon and runs reliably. The device is provided with the energy recovery device, can effectively utilize inertia and kinetic energy of materials such as coal and the like to recover energy, and is energy-saving and environment-friendly. In order to prevent the dumped materials from splashing, the impeller of the device utilizes the power generation equipment to provide certain damping, so that the materials such as coal and the like can be effectively guided and stabilized, and the materials are prevented from splashing.

Drawings

FIG. 1 is a schematic front view of the present invention.

FIG. 2 is a left side schematic view of the present invention.

FIG. 3 is a schematic top view of the present invention.

FIG. 4 is a schematic view of the lowest plow share structure of the tripper of the present invention.

FIG. 5 is a schematic view of the plow share lifting structure of the discharger of the present invention.

FIG. 6 is a schematic view of the overall structure of the energy recovery device of the present invention.

FIG. 7 is a schematic view of the installation structure of the slant plate and the impeller according to the present invention.

FIG. 8 is a schematic view of the structure of the inclined plate and the impeller in the top view direction.

FIG. 9 is a schematic structural diagram of an energy recovery device according to the present invention.

Wherein: 1. the device comprises a portal frame, 2, a hanging bracket, 3, a plough head of a discharger, 4, a telescopic pushing mechanism, 5, a pulley block, 6, an energy recovery device, 7, a feedback device, 8, a conveyor belt, 101, a vertical rod, 102, a cross beam, 301, a slant plate, 302, a support frame, 303, a margin plate, 304, an impeller opening, 601, a generator, 602, an impeller, 603, fan blades, 604, a rotating shaft, 605, an upper buffering section, 606, a fan blade plate, 607, a lower buffering section, 608, a buffering contact block, 701, a support column, 702, a contact plate, 703, a contact groove, 704 and a conductive metal sheet.

Detailed Description

As shown in fig. 1 and 2, the guiding device for the vertical lifting discharger comprises a conveying belt 8 for conveying coal, a portal frame 1 arranged on the upper side of the conveying belt 8, a hanger 2 and a discharger plowshare 3, wherein the portal frame 1 comprises upright rods 101 on two sides and a crossbeam 102 on the upper portion, a telescopic pushing mechanism 4 is arranged on the crossbeam 102, the hanger 2 is fixedly connected to a telescopic rod of the telescopic pushing mechanism 4, the upright rods 101 are round columns, pulley blocks 5 are arranged at two ends of the hanger 2, the pulley blocks 5 are matched with the upright rods 101, and the discharger plowshare 3 is fixedly connected to the lower side of the hanger 2.

As shown in fig. 3, the tripper plowshare 3 comprises an inclined plate 301, a support frame 302 is arranged at the rear side of the inclined plate 301, the upper part of the support frame 302 is fixedly connected with the hanger 2, and the tripper plowshare 3 runs up and down in the vertical direction.

As shown in fig. 4, the discharger plowshare 3 further includes an energy recovery device 6, the right side of the inclined plate 301 is fixedly connected with a margin plate 303, the lower side of the margin plate 303 is provided with an impeller opening 304, the rear side of the margin plate 303 is provided with a generator 601, the lower side of the generator 601 is fixedly connected with an impeller 602 through a rotating shaft, and a fan blade 603 of the impeller 602 passes through the impeller opening 304 and extends to the front side of the margin plate 303.

As shown in fig. 9, the impeller 602 includes a rotating shaft 604, a plurality of fan blades 603 are uniformly arranged on the rotating shaft 604 along a circumference, the fan blades 603 include an upper buffer section 605 on an upper portion, a middle fan blade plate 606 and a lower buffer section 607 on a lower portion, the fan blade plate 606 is rectangular, the upper buffer section 605 is an upward tapered plate, the lower buffer section 607 is a downward tapered plate, and a conical buffer contact block 608 is further arranged on a lower side of the rotating shaft 604.

As shown in fig. 4, a feedback device 7 is further disposed directly below the impeller 602, the feedback device 7 includes a support column 701 fixed on the ground, a contact plate 702 is disposed on the support column 701, a contact groove 703 is disposed on the contact plate 702, the contact groove 703 is located directly below the buffer contact block 608, and the buffer contact block 608 can contact with the bottom of the contact groove 703.

As shown in fig. 4, a conductive metal sheet 704 is disposed at the bottom of the contact groove 703, the conductive metal sheet 704 is connected to an external circuit, the impeller 602 is made of metal, the upper end of the impeller 602 is connected to the external circuit through a contact, and a closed path capable of giving a feedback signal is formed when the buffer contact block 608 can contact with the bottom of the contact groove 703.

In order to control the normal operation of the device, the electric generator 601 is externally connected with an electric cabinet and a storage battery, and the electric cabinet internally comprises a controller, such as a 51 single chip microcomputer, which can control the telescopic pushing mechanism 4, the electric generator 601 and can receive and process electric signals.

The vertical rod (101) is of a circular tube structure or a profile steel structure, and the pulley block (5) moves up and down along the vertical rod (101).

The inclined plate (301) on the plough head of the discharger is a plane or an arc surface.

The telescopic pushing mechanism (4) is a hydraulic cylinder or an electric cylinder.

The using method comprises the following steps: when the device is used, the telescopic rod of the telescopic pushing mechanism 4 (refer to the position of figure 1) is in a retracted state in a normal state, and as shown in the state of figure 5, the plough head 3 of the discharger is positioned at one end far away from the conveyor belt 8.

When needing to feed, the telescopic link of flexible pushing mechanism 4 stretches out, tripper ploughshare 3 is transferred, assembly pulley 5 moves down along pole setting 101, make slant board 301 keep steady under the impact of material, in the unloading in-process, slant board 301 blocks the material on the conveyer belt downwards gradually, partly material, along slant board 301 roll-off, the material of impeller 602 lower extreme contact roll-off this moment, lower buffering section 607 and buffering contact piece 608 can make the atress progressively increase, prevent to receive great impact suddenly and lead to the device to damage.

When the plow head 3 of the discharger is lowered to the lowest position, as shown in the state of fig. 4, all the materials slide out along the inclined plate 301, and further impact on the fan blades 603, so that the impeller 602 is driven to rotate, and the generator is driven to generate electricity. It should be noted that the impeller 602 is located outside the conveyor belt 8, and the material impacting the impeller 602 leaves the conveyor belt 8, so the recovered energy is only the kinetic energy of the material and does not affect the power of the conveyor belt 8; when the impeller 602 rotates, the functions of guiding and stabilizing materials are simultaneously achieved, and the materials are prevented from splashing; at this time, if the conveying amount of the coal and other materials in unit time is large, the height of the coal and other materials may be higher than that of the impeller 602, so that the coal and other materials clamp the impeller 602 from top to bottom, and in order to prevent this, the conical upper portion of the impeller 602 is provided with the buffer section 605, so that the upper side materials can be effectively prevented from clamping the impeller 602.

When the tripper plowshare 3 is lowered to the lowest position, the lower end of the buffer contact block 608 is in contact with the contact slot 703, the contact slot 703 provides support for the impeller 602 and forms a closed path capable of giving a feedback signal, the feedback signal is used for detection and verification, and loss caused by mechanical failure can be reduced; . For example: the telescopic pushing mechanism 4 is damaged and is not lifted according to control, and a feedback signal still exists in the closed path at the moment, namely, the action command is contrary to the feedback signal, so that an alarm is timely given out, and the damage is timely stopped.

When the loading of the materials is finished, the tripper plowshare 3 is retracted, the impeller 602 moves upwards under the resistance of the materials, and the conical upper buffer section 605 can effectively reduce the stress and prevent the device from being damaged due to the overlarge stress.

The above embodiments are only specific examples of the present invention, and the scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications of the guide device of the vertical lift discharger in accordance with the claims of the present invention and those of ordinary skill in the art should fall within the scope of the present invention.