CN115628800A - Check weight lifting device of coal feeder - Google Patents
Check weight lifting device of coal feeder Download PDFInfo
- Publication number
- CN115628800A CN115628800A CN202211223971.3A CN202211223971A CN115628800A CN 115628800 A CN115628800 A CN 115628800A CN 202211223971 A CN202211223971 A CN 202211223971A CN 115628800 A CN115628800 A CN 115628800A
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- China
- Prior art keywords
- wall
- weight
- block
- fixedly connected
- rod
- Prior art date
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- 239000003245 coal Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/26—Counterweights; Poise-weights; Sets of weights; Holders for the reception of weights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
- G01G23/012—Testing or calibrating of weighing apparatus with load cells comprising in-build calibration weights
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a coal feeder check weight lifting device, which relates to the technical field of coal feeder check, and comprises a shell component and weight blocks, wherein the inner wall of the shell component is provided with a control component for slowing down the movement of the weight blocks, so that the pressure on a bearing is exerted downwards, and the collision on the shell component is reduced upwards; this feeder check-up weight hoisting device through hoisting component, drive assembly, supporting component and control assembly, solves the power that the bearing bore great for the bearing takes place to damage and causes huge resistance to check-up work, and hoisting device's displacement distance is limited, and the check-up in-process exists the phenomenon that the weight vibration collided hoisting device, causes the problem of check-up error.
Description
Technical Field
The invention relates to the technical field of coal feeder calibration, in particular to a lifting device for a calibration weight of a coal feeder.
Background
The coal feeder is a raw coal conveying machine for regulating the coal quantity entering the coal mill, the coal in the coal storage bin enters the coal feeder through a coal gate, the coal is continuously and uniformly conveyed into the coal mill by a conveying and metering rubber belt in the coal feeder, an electronic weighing device is arranged below the conveying and metering rubber belt and mainly comprises a high-precision electronic belt scale, a weighing sensor generates an electric signal proportional to the weight of the coal and a belt speed signal detected by a speed sensor, and the electric signal and the belt speed signal are simultaneously sent into an integrator to obtain instantaneous flow and accumulated quantity after integration, but the coal feeder still has the following defects in actual use:
the weight lifting device structure in the checking system of the existing DT-9 series coal feeder commonly used in the power plant is mostly a cam lever mechanism, a cam is directly connected with a machine body through a bearing, the cam is not only in a large amount of dust suspension environment during daily operation, but also needs to bear Y-direction compressive stress and circumferential rotation moment, so that the bearing is extremely easy to damage, the bearing is damaged to cause huge resistance to checking work, secondly, the displacement distance of the Y-axis direction of the original lifting device is limited, and the phenomenon that the weight vibrates and collides with the lifting device exists in the checking process to cause checking errors.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a lifting device for a check weight of a coal feeder, which aims to solve the problems that the bearing is damaged due to large bearing force, huge resistance is caused to check work, the displacement distance of the lifting device in the Y-axis direction is limited, and the check error is caused by the phenomenon that the weight vibrates and collides with the lifting device in the check process.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a feeder check-up weight hoisting device, includes casing subassembly and weight piece, the inner wall of casing subassembly is provided with the control assembly who slows down the weight piece and remove to play the pressure of downward pair bearing, upwards to the effect that the collision of casing subassembly reduced, the middle part of casing subassembly is provided with the promotion subassembly that can adjust the weight piece, the top of casing subassembly is connected with and carries out the driven drive assembly of promotion subassembly, the inner wall of casing subassembly is provided with the supporting component who stabilizes the weight piece, and supporting component has four, and the equipartition is in the outer wall of weight piece, and the lower part fixedly connected with of promotion subassembly carries out spacing fixed knot to the bar weight and constructs.
Further, the lifting component comprises a threaded rod, a limiting pipe and a buffer plate, the bottom of the threaded rod is rotatably connected with the top of the weight block, the limiting pipe is sleeved at the bottom of the outer wall of the threaded rod, the bottom of the limiting pipe is fixedly connected with the top of the weight block, two ends of the buffer plate are provided with semicircular connecting lugs, the middle of the buffer plate is sleeved with the outer wall of the limiting pipe, and the buffer plate drives the limiting pipe to move according to the moving distance.
Furthermore, the driving assembly comprises a driving motor, a motor supporting frame and a thread block, the middle of the motor supporting frame is fixedly connected with the driving motor with a driving function, an output shaft of the driving motor is fixedly connected with the thread block, and the outer wall of the thread block is in threaded connection with the outer wall of the threaded rod.
Furthermore, the shell assembly comprises a protective shell, a threaded hole is formed in the center of the top of the protective shell, one side of the top of the protective shell is fixedly connected with the bottom of the motor supporting frame, the threaded hole is rotatably connected with the outer wall of the threaded rod, and the threaded rod can move up and down through being connected with the threaded hole.
Further, the control assembly comprises a limiting rod and a spring part, the rectangular groove is formed in two sides of the inner wall of the protective shell, two ends of the limiting rod are fixedly connected with the top and the bottom of the rectangular groove, the spring part with the buffering and damping effects is fixedly connected with the end part of the outer wall of the limiting rod, and one end of the spring part is fixedly connected with the inner wall of the rectangular groove.
Further, the outer wall of the rectangular groove is sleeved with the inner wall of the connecting hanging lug, the connecting hanging lug can move on the limiting rod in a reciprocating mode through the buffer plate, and the spring piece can exert pressure in the moving process.
Further, the supporting component comprises a rotating shaft, a first supporting rod, a fixed block and a second supporting rod, wherein the rotating shaft is connected to one end of the first supporting rod in a rotating mode, the rotating shaft is connected to one end of the second supporting rod in a rotating mode, the clamping block is connected to the other ends of the first supporting rod and the second supporting rod in a fixed mode, one side of the fixed block is fixedly connected with the inner wall of the protective shell, the middle of the fixed block is connected with the clamping block in a clamping mode, and the clamping block can rotate at multiple angles.
Further, the outer wall of the rotating shaft is provided with a certain radian, the outer wall of the rotating shaft is attached to the outer wall of the weight block, and the rotating shaft rotates according to the movement of the weight block.
Has the advantages that:
(1) This feeder check-up weight hoisting device, through lifting unit, drive assembly and control assembly, it removes to pass through the screw thread piece by driving motor among the drive assembly and drive the threaded rod, the threaded rod drives the weight piece and removes, and be connected by the spring part on buffer board and the gag lever post, when making weight piece whereabouts, be close the below object more, weight piece receives the spring part influence whereabouts more slowly, stability is higher, avoided lifting unit to descend fast and caused very big damage to the bearing, the cost expenditure is reduced, the practicality of the device has been increased.
(2) This feeder check-up weight hoisting device, through supporting component and control assembly, be connected with the weight piece by a plurality of control assemblies that set up on the protecting crust, when the weight piece rises after using, because first bracing piece is shorter than the second bracing piece, the weight piece is at first with the pivot contact on the second bracing piece, the pivot of four directions all contacts with the weight piece simultaneously, stabilize the weight piece, along with the rising of weight piece, pivot and weight piece contact on the first bracing piece, further stabilize the weight piece, avoid the phenomenon that the weight piece vibration collided hoisting device, greatly reduced the condition of check-up error.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present invention;
FIG. 2 is a schematic bottom view of the structure of the present invention;
FIG. 3 is a schematic cross-sectional view provided by an embodiment of the present invention;
FIG. 4 is a schematic view of a housing assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a lifting assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a support assembly according to an embodiment of the present invention.
Description of reference numerals:
1. a housing assembly; 101. a threaded hole; 102. a protective shell; 2. a lifting assembly; 201. a threaded rod; 202. a limiting pipe; 203. a buffer plate; 204. connecting a hanging lug; 3. a weight block; 4. a support assembly; 401. a rotating shaft; 402. a first support bar; 403. connecting a clamping block; 404. a fixed block; 405. a second support bar; 5. a control component; 501. a rectangular groove; 502. a limiting rod; 503. A spring member; 6. a drive assembly; 601. a drive motor; 602. a motor support frame; 603. a thread block; 7. and (5) fixing the structure.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Please refer to fig. 1-5, including housing assembly 1 and weight piece 3, the inner wall of housing assembly 1 is provided with the control assembly 5 that slows down weight piece 3 and removes, thereby play the pressure to the bearing downwards, upwards to the effect that the collision of housing assembly 1 reduces, the middle part of housing assembly 1 is provided with the promotion subassembly 2 that can adjust weight piece 3, the top of housing assembly 1 is connected with the drive assembly 6 to promotion subassembly 2 drive, the inner wall of housing assembly 1 is provided with the supporting component 4 that stabilizes weight piece 3, and supporting component 4 has four, the equipartition is at the outer wall of weight piece 3, and the lower part fixedly connected with of promotion subassembly 2 carries out spacing fixed knot structure 7 to the bar weight, the top of fixed knot structure 7 and the bottom fixed connection of buffer board 203, and both ends of fixed knot structure 7 bottom are connected with the rectangle supporting shoe, and the central point department at rectangle supporting shoe top has seted up semicircular clamping groove, this clamping groove can support and spacing the bar weight, the bottom of two rectangle supporting shoes is connected with the base through the guide rail, this base is the L form, this fixed knot structure 7 moves according to the promotion supporting shoe of buffer board, thereby move the bar weight.
The lifting component 2 comprises a threaded rod 201, a limiting tube 202 and a buffer plate 203, the bottom of the threaded rod 201 is rotatably connected with the top of a weight block 3, the limiting tube 202 is sleeved at the bottom of the outer wall of the threaded rod 201, the diameter of the top of the limiting tube 202 is larger than that of the limiting tube 202 sleeved with the middle of the buffer plate 203, the limiting tube can move according to the movement of the buffer plate 203, the bottom of the limiting tube 202 is fixedly connected with the top of the weight block 3, two ends of the buffer plate 203 are provided with semicircular connecting lugs 204, the middle of the buffer plate 203 is sleeved with the outer wall of the limiting tube 202, the buffer plate 203 drives the limiting tube 202 to move according to the moving distance, the driving component 6 comprises a driving motor 601, a motor supporting frame 602 and a threaded block 603, the middle of the motor supporting frame 602 is fixedly connected with a driving motor 601 with a driving effect, the driving motor 601 is electrically connected with an external power supply, when the lifting component is used, can be controlled by an external switch, the driving motor 601 can rotate bidirectionally, the rotation direction of the driving motor 601 is controlled by a worker, the output shaft of the driving motor 601 is fixedly connected with a threaded block 603, the outer wall of the threaded block 603 is in threaded connection with the outer wall of the threaded rod 201, the shell assembly 1 comprises a protective shell 102, a threaded hole 101 is formed in the central position of the top of the protective shell 102, the protective shell 102 is rectangular, when the weight block 3 is used, the weight block 3 can be taken into the protective shell 102 to protect the weight block 3, when a foreign object collides with the weight block 3, the weight block 3 is damaged, the total mass of the weight block 3 is influenced, and the weight block 3 is exposed to the outside for a long time, dust is easy to accumulate, the total mass of the weight block 3 is influenced, the two situations are avoided, one side of the top of the protective shell 102 is fixedly connected with the bottom of the motor supporting frame 602, the threaded hole 101 is rotatably connected with the outer wall of the threaded rod 201, the threaded rod 201 can move up and down by being connected with the threaded hole 101, the control component 5 comprises a limiting rod 502 and a spring part 503, the two sides of the inner wall of the protective shell 102 are provided with rectangular grooves 501, the two ends of the limiting rod 502 are fixedly connected with the top and the bottom of the rectangular grooves 501, the end part of the outer wall of the limiting rod 502 is fixedly connected with the spring part 503 with the buffering and damping effects, one end of the spring part 503 is fixedly connected with the inner wall of the rectangular groove 501, the outer wall of the rectangular groove 501 is sleeved with the inner wall of the connecting hanging lug 204, and the connecting suspension loops 204 can reciprocate on the limiting rods 502 through the buffer plates 203, pressure can be applied to the spring part 503 in the moving process, the spring part 503 is connected above and below the end parts of the buffer plates 203, when in use, the driving motor 601 drives the thread blocks 603 to rotate, the thread blocks 603 are in threaded connection with the threaded rods 201 to drive the threaded rods 201 to move downwards, the weight blocks 3 are driven to move downwards through the downward movement of the threaded rods 201, meanwhile, the threaded rod 201 drives the buffer plate 203 to move through the limit tube 202, when the buffer plate 203 moves to the lower part of the limit rod 502, the buffer plate contacts with the spring part 503 at the lower part of the limit rod 502, the spring part 503 is compressed and shortened, and an upward force is formed, the weight block 3 is influenced by the upward force of the spring part 503 and moves downwards slowly, and the pressure is reduced when the weight block contacts with the bearing below the weight block 3, thereby avoiding the damage of the bearing caused by overlarge pressure, when 3 upwards moving of weight piece, drive buffer plate 203 and remove, spring part 503 contact on connection hangers 204 and gag lever post 502 upper portion at buffer plate 203 both ends, and buffer plate 203 atress removes to the lower part of spacing pipe 202 from the upper portion of spacing pipe 202, and weight piece 3 continues to rise, and the spring part 503 pressurized on gag lever post 502 upper portion shortens to weight piece 3 to connecting on the spacing pipe 202 stabilizes and spacing.
Referring to fig. 6, the support assembly 4 includes a rotating shaft 401, a first support rod 402, a fixed block 404 and a second support rod 405, one end of the first support rod 402 is rotatably connected with the rotating shaft 401, one end of the second support rod 405 is rotatably connected with the rotating shaft 401, the other ends of the first support rod 402 and the second support rod 405 are both fixedly connected with a connecting fixture block 403, one side of the fixed block 404 is fixedly connected with the inner wall of the protective shell 102, the middle part of the fixed block 404 is connected with the connecting fixture block 403 in a snap-in manner, and the connecting fixture block 403 can rotate at multiple angles, the outer wall of the rotating shaft 401 is provided with a certain radian, the outer wall of the rotating shaft 401 is attached to the outer wall of the weight block 3, and the rotating shaft 401 rotates according to the movement of the weight block 3, the first support rod 402 and the second support rod 405 form an L-shaped angle of ninety degrees, when the weight block 3 is used and ascends, the weight block 3 is shorter than the second support rod 405, the weight block 3 is firstly contacted with the rotating shaft 401 on the second support rod 405, and the weight block 401 moves downwards according to the movement of the weight block 3, and the weight block 401 moves away from the first support rod 3, and the weight block 401 moves away from the weight block 3.
The working principle is as follows: during use, a worker controls the driving motor 601 to rotate forwards through an external switch, the driving motor 601 drives the weight block 3 to move downwards through the threaded block 603 and the threaded rod 201, the threaded rod 201 drives the buffer plate 203 to move through the limiting tube 202, the buffer plate 203 contacts with the spring part 503 at the lower part of the limiting rod 502 when moving to the lower part of the limiting rod 502, the weight block 3 is influenced by the spring part 503 and moves downwards slowly, and verification can be performed, meanwhile, according to the movement of the weight block 3, the rotating shaft 401 on the second supporting rod 405 is firstly separated from the weight block 3, then the rotating shaft 401 on the first supporting rod 402 is separated, after use is finished, the worker controls the driving motor 601 to rotate reversely through the external switch, the weight block 3 moves upwards and drives the buffer plate 203 to move, when the buffer plate 203 contacts with the spring part 503 at the upper part of the limiting rod 502, the weight block 3 continues to ascend, the spring part 503 at the upper part of the limiting rod 502 is compressed and shortened, and stabilizes and limits the weight block 3 connected on the limiting tube 202, meanwhile, the weight block 3 is firstly contacted with the rotating shaft 405 on the second supporting rod 405, meanwhile, the supporting rod 401 is contacted with the supporting rod 401, and the supporting rod 402 is connected with the second supporting rod 402, and the supporting rod 401, and drives the weight block 401 to move.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a feeder check-up weight hoisting device, includes casing subassembly and weight piece, its characterized in that, casing subassembly's inner wall is provided with the control assembly who slows down the weight piece and remove to play the pressure of downward pair bearing, upwards to the effect that the collision of casing subassembly reduced, casing subassembly's middle part is provided with the promotion subassembly that can adjust the weight piece, casing subassembly's top is connected with the drive assembly to promotion subassembly drive, casing subassembly's inner wall is provided with the supporting component who stabilizes the weight piece, and supporting component has four, and the equipartition is in the outer wall of weight piece, and the lower part fixedly connected with of promotion subassembly carries out spacing fixed knot to the bar weight and constructs.
2. The coal feeder checking weight lifting device according to claim 1, wherein the lifting assembly comprises a threaded rod, a limiting pipe and a buffer plate, the bottom of the threaded rod is rotatably connected with the top of the weight block, the limiting pipe is sleeved on the bottom of the outer wall of the threaded rod, the bottom of the limiting pipe is fixedly connected with the top of the weight block, semicircular connecting lugs are arranged at two ends of the buffer plate, the middle of the buffer plate is sleeved with the outer wall of the limiting pipe, and the buffer plate drives the limiting pipe to move according to the moving distance.
3. The coal feeder check weight lifting device as claimed in claim 1, wherein the driving assembly comprises a driving motor, a motor support frame and a threaded block, the driving motor with a driving function is fixedly connected to the middle of the motor support frame, the threaded block is fixedly connected to an output shaft of the driving motor, and an outer wall of the threaded block is in threaded connection with an outer wall of the threaded rod.
4. The coal feeder check weight lifting device as recited in claim 1, wherein the casing assembly comprises a protective casing, a threaded hole is formed in a center of a top of the protective casing, one side of the top of the protective casing is fixedly connected with a bottom of the motor support frame, the threaded hole is rotatably connected with an outer wall of the threaded rod, and the threaded rod can move up and down by being connected with the threaded hole.
5. The coal feeder check weight lifting device as claimed in claim 1, wherein the control assembly comprises a limiting rod and a spring element, rectangular grooves are formed in two sides of the inner wall of the protective shell, two ends of the limiting rod are fixedly connected with the top and the bottom of the rectangular grooves, the spring element with a buffering and damping effect is fixedly connected to the end portion of the outer wall of the limiting rod, and one end of the spring element is fixedly connected with the inner wall of the rectangular groove.
6. The coal feeder check weight lifting device as claimed in claim 5, wherein the outer wall of the rectangular groove is sleeved with the inner wall of the connecting lug, the connecting lug can reciprocate on the limiting rod through the buffer plate, and pressure can be applied to the spring part in the moving process.
7. The coal feeder check weight lifting device as claimed in claim 1, wherein the support assembly comprises a rotating shaft, a first support rod, a fixed block and a second support rod, one end of the first support rod is rotatably connected with the rotating shaft, one end of the second support rod is rotatably connected with the rotating shaft, the other ends of the first support rod and the second support rod are fixedly connected with a connecting fixture block, one side of the fixed block is fixedly connected with the inner wall of the protective shell, the middle part of the fixed block is clamped with the connecting fixture block, and the connecting fixture block can rotate at multiple angles.
8. The coal feeder check weight lifting device according to claim 7, wherein the outer wall of the rotating shaft is provided with a certain radian, the outer wall of the rotating shaft is attached to the outer wall of the weight block, and the rotating shaft rotates according to the movement of the weight block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211223971.3A CN115628800A (en) | 2022-09-30 | 2022-09-30 | Check weight lifting device of coal feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211223971.3A CN115628800A (en) | 2022-09-30 | 2022-09-30 | Check weight lifting device of coal feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115628800A true CN115628800A (en) | 2023-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211223971.3A Pending CN115628800A (en) | 2022-09-30 | 2022-09-30 | Check weight lifting device of coal feeder |
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| Country | Link |
|---|---|
| CN (1) | CN115628800A (en) |
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