CN113353769A - Same-side loading and unloading skip bucket capable of automatically adjusting unbalance loading balance weight - Google Patents
Same-side loading and unloading skip bucket capable of automatically adjusting unbalance loading balance weight Download PDFInfo
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- CN113353769A CN113353769A CN202110768325.4A CN202110768325A CN113353769A CN 113353769 A CN113353769 A CN 113353769A CN 202110768325 A CN202110768325 A CN 202110768325A CN 113353769 A CN113353769 A CN 113353769A
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- skip
- frame
- balance
- loading
- balance weight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/08—Mining skips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/14—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads
- B66B5/145—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads electrical
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention relates to the technical field of mine vertical shaft hoisting equipment, and provides a same-side loading and unloading skip bucket capable of automatically adjusting an unbalance-loading balance weight, aiming at solving the problems that the gravity center of the skip bucket cannot be consistent under the conditions of no load and heavy load of filled materials, so that the hoisting resistance and energy consumption are increased, a roller cage shoe is worn and the maintenance workload is increased. The invention is particularly suitable for the balance lifting of the mine vertical skip and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of mine vertical shaft lifting equipment, in particular to a loading and unloading skip bucket on the same side capable of automatically adjusting an unbalance loading balance weight.
Background
The existing skip used for lifting coal or other minerals in a well mine generally has an inclined bottom plate due to the unloading requirement. From this cause skip internal cavity shape to be big on the side of uninstallation side, from this, under the unloaded and the heavy load condition of filling with the material, skip focus can't be unanimous, and skip focus and empty skip focus after filling with the mineral promptly deviate. Even set up fixed counter weight, no matter how place, it is unanimous always also can't be unanimous with skip focus to promote the central line.
The unbalance loading is one of the main reasons for the stress between the roller cage shoe and the cage guide, and will cause the increase of the lifting resistance and the energy consumption, the abrasion of the roller cage shoe and the increase of the maintenance workload. Therefore, a same-side loading and unloading skip bucket capable of automatically adjusting unbalance loading balance weights is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a same-side loading and unloading skip bucket capable of automatically adjusting an unbalance loading balance weight, which overcomes the defects of the prior art, has reasonable design and compact structure and aims to solve the problems of increased lifting resistance and energy consumption, abrasion of roller cage ears and increased maintenance workload caused by inconsistent gravity centers of skip buckets under the conditions of no load and heavy load of filled materials.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the same-side loading and unloading skip capable of automatically adjusting the unbalance loading balance weight comprises a skip body and is characterized in that the skip body comprises a frame which is positioned in a mine shaft and has a vertical columnar outline, a skip box used for loading ores is arranged in the middle of the frame, a skip top plate used for maintenance is movably arranged at the top end of the skip box, a skip bottom plate used for sealing the bottom of the skip box to form a loading space is arranged at the bottom end of the skip box, a fan-shaped gate used for discharging is arranged on the skip bottom plate in a matched mode, and roller lugs used for being in rolling contact with a fixed cage in the mine shaft are rotatably arranged at the four top bottom ends of the frame and the middle section of a side intersection line;
a first rope suspension device used for lifting and installing a first rope is arranged in the middle of the top end of the frame, and a tail rope suspension device used for suspending and installing a tail rope is arranged at the bottom end of the frame;
the balance weight device comprises a guide rail arranged on the inner bottom wall of the frame, a balance trolley is horizontally and slidably arranged on the guide rail, a balance weight block is arranged in the balance trolley, and a trolley moving unit used for controlling the position of the balance trolley is arranged on the upper end face of the balance trolley through a driving device frame.
Preferably, the trolley moving unit comprises a direct current motor and a speed reducer which are mounted on the upper end face of the balance trolley through a driving device frame, the speed reducer is mounted on the output end of the direct current motor, a trapezoidal threaded rod assembly is mounted on the output end of the speed reducer, a trapezoidal nut assembly is mounted on the trapezoidal threaded rod assembly in a threaded mode, and the trapezoidal nut assembly is fixedly mounted on a fixing frame fixedly connected to the inner wall of the frame.
Preferably, the trolley moving unit comprises a direct current motor and an electro-hydraulic push rod which are arranged on the upper end face of the balance trolley through a driving device frame, the electro-hydraulic push rod is arranged on the output end of the direct current motor and is controlled to stretch through the direct current motor, and the telescopic end of the electro-hydraulic push rod is fixedly arranged on a fixing frame fixedly connected to the inner wall of the frame.
Preferably, the balance trolley is further provided with a storage battery for driving the direct current motor, the storage battery is connected with the direct current motor through a power line, and the power line is provided with a control module for controlling the direct current motor to start and stop and rotate forward and backward.
Preferably, the lower part of the frame is provided with a bottom counter weight for maintaining the balance of the skip body in the vertical and horizontal directions.
Preferably, the trapezoidal nut component is connected with the fixed frame through a flange.
Preferably, a plurality of mounting hole sites for adjusting the mounting position of the driving device frame are formed on the upper end surface of the balance trolley.
Preferably, the tail end of the trapezoidal thread rod component is provided with a tip used for being matched with the trapezoidal nut component to limit the limit position of the balance trolley.
(III) advantageous effects
The embodiment of the invention provides a same-side loading and unloading skip bucket capable of automatically adjusting an unbalance loading balance weight, which has the following beneficial effects:
1. according to the skip bucket, the balance weight device is arranged, the information of the movement distance required by the balance trolley is judged according to the loading information of the mine hoisting system at the wellhead or the shaft bottom position, a power supply instruction is sent to the control module, and the skip bucket is accurately weighted by combining the forward and reverse rotation control of the direct current motor, so that the skip bucket is variable in weight position according to the requirement, the hoisting center line and the skip bucket center line are enabled to be coincident under the conditions of no load and heavy load, and the negative influence of the skip bucket body unbalance loading is eliminated.
2. In the embodiment 1 of the invention, the trapezoidal thread rod component and the trapezoidal nut component are connected, so that the self-locking function can be effectively realized, namely, the balance weight device can be fixed at a determined position and accurately balance weight under the condition of power failure of a direct current motor.
3. The embodiment 2 of the invention adopts a connection mode of the direct current motor and the electro-hydraulic push rod, has reliable overload automatic protection performance, and can not burn or damage other parts even if the direct current motor runs normally when overload or the direct current motor runs to the stroke end.
Drawings
The above features, technical features, advantages and implementations of the same-side loading and unloading skip for automatically adjusting an unbalance loading balance weight will be further described in a clearly understandable manner with reference to the accompanying drawings.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of the lower half of FIG. 2;
FIG. 4 is a schematic structural view of a balance weight device according to embodiment 1 of the present invention;
FIG. 5 is a top view of the structure of the cart moving unit according to embodiment 1 of the present invention;
fig. 6 is a structural plan view of a cart moving unit according to embodiment 2 of the present invention.
In the figure: skip body 1, frame 101, skip 102, skip bottom plate 103, skip top plate 104, sector gate 105, roller cage ears 2, first rope suspension device 3, bottom counterweight block 4, tail rope suspension device 5, balance counterweight device 6, balance trolley 601, guide rail 602, balance counterweight block 603, direct current motor 604, speed reducer 605, trapezoidal threaded rod component 606, trapezoidal nut component 607, fixing frame 608, driving device frame 609, control module 610, storage battery 611, electro-hydraulic push rod 612.
Detailed Description
The invention will be further illustrated with reference to the following figures 1-6 and examples:
example 1
In this embodiment, as shown in fig. 1 to 3, the same-side loading and unloading skip for automatically adjusting the unbalance loading balance weight includes a skip body 1, and is characterized in that the skip body 1 includes a frame 101 located in the mine shaft and having a vertical column shape in its outline, a skip 102 for loading ore is disposed in the middle of the frame 101, a skip top plate 104 for maintenance is movably mounted at the top end of the skip 102, a skip bottom plate 103 for closing the bottom of the skip 102 to form a loading space is mounted at the bottom end of the skip 102, and a sector gate 105 for discharging is disposed on the skip bottom plate 103 in a matching manner, it can be understood that, when the sector gate 105 moves to a discharging position on the derrick after lifting the mine shaft, the matched unloading curved rail is opened, the sector gate 105 is opened, ore is discharged along the skip bottom plate 103, so as to realize automatic discharging of ore in the skip 102, where the unloading curved rail is the prior art, the detailed description is omitted, and the middle sections of the intersection lines of the four top and bottom ends and the side surfaces of the frame 101 are respectively and rotatably provided with roller cage ears 2 which are used for being in rolling contact with fixed cage guides in the mine vertical shaft;
a first rope suspension device 3 used for installing a lifting first rope is arranged in the middle of the top end of the frame 101, a tail rope suspension device 5 used for suspending a tail rope is arranged at the bottom end of the frame 101, and the tail rope is used for keeping the balance of the lifting first rope or keeping a certain ratio of the maximum tension to the minimum tension of the first rope and the tail rope;
in this embodiment, as shown in fig. 1 to 3, a bottom counter weight 4 for maintaining the balance of the skip body 1 in the vertical and horizontal directions is installed at the lower part of the frame 101;
the balance weight device 6 for automatically adjusting the unbalance loading balance of the skip body 1 is arranged on the inner bottom wall of the frame 101, the balance weight device 6 comprises a guide rail 602 arranged on the inner bottom wall of the frame 101, a balance trolley 601 is horizontally and slidably arranged on the guide rail 602, a balance weight block 603 is arranged in the balance trolley 601, a trolley moving unit for controlling the position of the balance trolley 601 is arranged on the upper end face of the balance trolley 601 through a driving device frame 609, through the balance weight loading of the balance trolley 601 and the moving position control of the balance trolley 601, the superposition of a lifting center line and a skip gravity line under the no-load and heavy-load conditions is realized, the negative influence of the unbalance loading of the skip body 1 is eliminated, and the accurate balance weight is realized.
In this embodiment, as shown in fig. 3-5, the trolley moving unit includes a dc motor 604 and a speed reducer 605 mounted on the upper end surface of the balance trolley 601 through a driving device frame 609, the speed reducer 605 is mounted on the output end of the dc motor 604, a trapezoidal threaded rod assembly 606 is mounted on the output end of the speed reducer 605, a trapezoidal nut assembly 10 is mounted on the trapezoidal threaded rod assembly 606 through a thread, and the trapezoidal nut assembly 10 is fixedly mounted on a fixing frame 608 fixedly connected to the inner wall of the frame 101, in this embodiment, the speed reducer 605 may be a gear speed reducer, a worm speed reducer or a planetary gear speed reducer, and plays a role in matching the rotating speed and transmitting the torque;
in this embodiment, as shown in fig. 3 to 5, a storage battery 611 for supplying power to the dc motor 604 is further installed on the balance car 601, and the storage battery 611 is connected to the dc motor 604 through a power line;
in this embodiment, as shown in fig. 3 to 5, a control module 610 for controlling the start and stop and forward and reverse rotation of the dc motor 604 is installed on the power line, and it can be understood that the control module 610 is connected with a mine hoisting system in a matching manner, and the mine hoisting system is composed of a wellhead control system and a shaft bottom control system;
in this embodiment, when the skip body 1 reaches the position of a wellhead, the wellhead control system sends an "idle load" signal to the control module 610 on the balance car 601, the control module 610 connects the battery 611 and the dc motor 604, and controls the dc motor 604 to rotate in the forward direction, so as to drive the trapezoidal thread rod assembly 606 to rotate in the forward direction in the trapezoidal nut assembly 607 to a certain position, so that the balance car 601 is located at the middle left end of the skip body 1, and it is ensured that the lifting center line of the skip body 1 coincides with the gravity center of the skip body 1 under the condition that the skip body 1 is idle, and then the control module 610 disconnects the power supply of the battery 611;
when the skip body 1 reaches the bottom position, the bottom control system sends a heavy load signal to the control module 610 on the balance car 601, the control module 610 is connected with the storage battery 611 and the direct current motor 604 and controls the direct current motor 604 to rotate reversely, the trapezoidal thread rod assembly 606 is driven to rotate reversely in the trapezoidal nut assembly 607 to a determined position, the balance car 601 is located at the middle right end of the skip body 1, and it is guaranteed that the lifting center line of the skip body 1 coincides with the gravity center of the skip body 1 under the heavy load condition of the skip body 1.
In this embodiment, as shown in fig. 3-5, the trapezoidal nut assembly 607 is connected to the fixing frame 608 via a flange, which facilitates easy connection, adjustment and replacement of the trapezoidal threaded rod assembly 606 and the trapezoidal nut assembly 607.
In this embodiment, as shown in fig. 3 to 5, a plurality of mounting holes for adjusting the mounting position of the driving device frame 609 are formed on the upper end surface of the balance car 601, so as to facilitate the mounting and adjustment of the balance car 601 when balancing the balance weight.
In this embodiment, as shown in fig. 3-5, the end of the trapezoidal threaded rod component 606 is provided with a tip for limiting the limit position of the balance car 601 in cooperation with the trapezoidal nut component 607, and a rubber pad with a buffering function is mounted on the tip.
Example 2
The difference between the present embodiment and embodiment 1 is that, as shown in fig. 6, the trolley moving unit includes a dc motor 604 and an electro-hydraulic push rod 612, which are mounted on the upper end surface of the balance trolley 601 through a driving device frame 609, the electro-hydraulic push rod 612 is mounted on the output end of the dc motor 604 and is controlled to extend and retract through the dc motor 604, and the extending and retracting end of the electro-hydraulic push rod 612 is fixedly mounted on a fixing frame 608 fixedly connected to the inner wall of the frame 101;
in this embodiment, when the skip body 1 reaches the position of a wellhead, the wellhead control system sends an "idle load" signal to the control module 610 on the balance car 601, the control module 610 connects the battery 611 and the dc motor 604, and controls the dc motor 604 to rotate in the forward direction, so as to drive the telescopic end of the electro-hydraulic push rod 612 to extend to a certain position, so that the balance car 601 is located at the middle left end of the skip body 1, and it is ensured that the lifting center line of the skip body 1 coincides with the gravity center of the skip body 1 under the condition that the skip body 1 is idle, and then the control module 610 disconnects the power supply of the battery 611;
when the skip body 1 reaches the bottom position, the bottom control system sends a heavy load signal to the control module 610 on the balance trolley 601, the control module 610 is connected with the storage battery 611 and the direct current motor 604 and controls the direct current motor 604 to rotate reversely, the telescopic end of the electro-hydraulic push rod 612 is driven to retract to a determined position, the balance trolley 601 is located at the middle right end of the skip body 1, and the lifting center line of the skip body 1 is enabled to coincide with the gravity center of the skip body 1 under the condition that the skip body 1 is heavy-loaded.
Other undescribed structures refer to example 1.
According to the same-side loading and unloading skip capable of automatically adjusting the unbalance loading balance weight, the connection mode of the trapezoidal threaded rod component 606 and the trapezoidal nut component 607 is adopted, the self-locking function can be effectively realized, namely, under the condition that the direct current motor 604 is powered off, the balance weight device 6 can be fixed at a determined position, accurate balance weight is realized, the lifting center line and the skip gravity line are superposed under the conditions of no load and heavy load, and the negative influence of unbalance loading of the skip body 1 is eliminated;
meanwhile, the invention also provides another connection mode of the direct current motor 604 and the driving electro-hydraulic push rod 612, which has reliable overload automatic protection performance, even if overload or running reaches the stroke end, the direct current motor 604 runs normally, but other machine parts cannot be burnt or damaged, meanwhile, the balance weight device 6 can be fixed at a determined position by the locking mode of the electro-hydraulic push rod 612, accurate weight balancing is realized, the superposition of a lifting center line and a skip gravity line under the conditions of no load and heavy load is realized, and the negative influence of unbalance loading of the skip body 1 is eliminated.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (8)
1. The same-side loading and unloading skip capable of automatically adjusting the unbalance loading balance weight comprises a skip body (1) and is characterized in that the skip body (1) comprises a frame (101) which is located in a mine shaft and has a vertical columnar outline, a skip box (102) used for loading ores is arranged in the middle of the frame (101), a skip top plate (104) used for overhauling is movably mounted at the top end of the skip box (102), a skip bottom plate (103) used for sealing the bottom of the skip box (102) to form a loading space is mounted at the bottom end of the skip box (102), a sector gate (105) used for discharging is arranged on the skip bottom plate (103) in a matching manner, and roller cage ears (2) used for being in rolling contact with a fixed cage guide in the mine shaft are rotatably mounted at the middle sections of intersection lines of the four top bottom ends and the side surfaces of the frame (101);
a first rope suspension device (3) used for lifting and installing a first rope is arranged in the middle of the top end of the frame (101), and a tail rope suspension device (5) used for suspending and installing a tail rope is arranged at the bottom end of the frame (101);
the balance weight device is characterized in that a balance weight device (6) used for automatically adjusting unbalance loading balance of the skip body (1) is installed on the inner bottom wall of the frame (101), the balance weight device (6) comprises a guide rail (602) installed on the inner bottom wall of the frame (101), a balance trolley (601) is installed on the guide rail (602) in a horizontal sliding mode, a balance weight block (603) is arranged in the balance trolley (601), and a trolley moving unit used for controlling the position of the balance trolley (601) is installed on the upper end face of the balance trolley (601) through a driving device frame (609).
2. The same-side loading and unloading skip for automatically adjusting the unbalance loading balance weight according to claim 1, wherein: the trolley moving unit comprises a direct current motor (604) and a speed reducer (605) which are installed on the upper end face of a balance trolley (601) through a driving device frame (609), the speed reducer (605) is installed on the output end of the direct current motor (604), a trapezoidal threaded rod assembly (606) is installed on the output end of the speed reducer (605), a trapezoidal nut assembly (10) is installed on the trapezoidal threaded rod assembly (606) in a threaded mode, and the trapezoidal nut assembly (10) is fixedly installed on a fixing frame (608) fixedly connected to the inner wall of a frame (101).
3. The same-side loading and unloading skip for automatically adjusting the unbalance loading balance weight according to claim 1, wherein: the trolley moving unit comprises a direct current motor (604) and an electro-hydraulic push rod (612), wherein the direct current motor (604) and the electro-hydraulic push rod (612) are mounted on the upper end face of the balance trolley (601) through a driving device frame (609), the electro-hydraulic push rod (612) is mounted on the output end of the direct current motor (604) and is controlled to stretch and retract through the direct current motor (604), and the stretching end of the electro-hydraulic push rod (612) is fixedly mounted on a fixing frame (608) fixedly connected to the inner wall of the frame (101).
4. The same-side unloading and loading skip for automatically adjusting the unbalance loading balance weight according to claim 2 or 3, wherein: the balance trolley (601) is further provided with a storage battery (611) used for driving the direct current motor (604), the storage battery (611) is connected with the direct current motor (604) through a power line, and a control module (610) used for controlling the direct current motor (604) to start and stop and rotate in the forward and reverse directions is mounted on the power line.
5. The same-side loading and unloading skip for automatically adjusting the unbalance loading balance weight according to claim 1, wherein: and a bottom counter weight block (4) used for maintaining the balance of the skip body (1) in the vertical direction and the horizontal direction is installed at the lower part of the frame (101).
6. The same-side unloading and loading skip for automatically adjusting the unbalance loading balance weight according to claim 2, wherein: the trapezoidal nut component (607) is connected with the fixed frame (608) through a flange.
7. The same-side loading and unloading skip for automatically adjusting the unbalance loading balance weight according to claim 1, wherein: the upper end face of the balance trolley (601) is provided with a plurality of mounting hole positions for adjusting the mounting position of the driving device frame (609).
8. The same-side unloading and loading skip for automatically adjusting the unbalance loading balance weight according to claim 2, wherein: the tail end of the trapezoidal thread rod component (606) is provided with a head used for being matched with the trapezoidal nut component (607) to limit the limit position of the balance car (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768325.4A CN113353769A (en) | 2021-07-07 | 2021-07-07 | Same-side loading and unloading skip bucket capable of automatically adjusting unbalance loading balance weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768325.4A CN113353769A (en) | 2021-07-07 | 2021-07-07 | Same-side loading and unloading skip bucket capable of automatically adjusting unbalance loading balance weight |
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| Publication Number | Publication Date |
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| CN113353769A true CN113353769A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110768325.4A Pending CN113353769A (en) | 2021-07-07 | 2021-07-07 | Same-side loading and unloading skip bucket capable of automatically adjusting unbalance loading balance weight |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718637A (en) * | 2022-04-20 | 2022-07-08 | 安标国家矿用产品安全标志中心有限公司 | Intelligent skip |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718637A (en) * | 2022-04-20 | 2022-07-08 | 安标国家矿用产品安全标志中心有限公司 | Intelligent skip |
| CN114718637B (en) * | 2022-04-20 | 2023-09-26 | 安标国家矿用产品安全标志中心有限公司 | Intelligent skip |
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