CN219822648U - Transmission device of coal feeder - Google Patents
Transmission device of coal feeder Download PDFInfo
- Publication number
- CN219822648U CN219822648U CN202320765049.0U CN202320765049U CN219822648U CN 219822648 U CN219822648 U CN 219822648U CN 202320765049 U CN202320765049 U CN 202320765049U CN 219822648 U CN219822648 U CN 219822648U
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- 239000003245 coal Substances 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 title claims abstract description 50
- 238000012546 transfer Methods 0.000 claims abstract description 8
- 230000013011 mating Effects 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The present disclosure relates to a coal feeder transmission, comprising: the mounting seat is used for being detachably mounted on the box body of the coal feeder gearbox; a rotating shaft rotatably supported to the mount, and including a power input portion and a power output portion arranged opposite to each other; a first transfer gear coaxially fixedly mounted to the power take-off and for intermesh with a second transfer gear in the gearbox; and a crank attached to the power input section. The second transmission gear in the coal feeder gear box can be driven to rotate by the coal feeder transmission device, and then the coal conveying belt is driven to rotate, so that maintenance efficiency is improved.
Description
Technical Field
The disclosure relates to the technical field of coal feeders, and in particular relates to a coal feeder transmission device.
Background
Coal feeders are important equipment in the power plant feeding system and are responsible for delivering coal to the coal mill. When the coal feeder operates, the driving device drives the transmission gear in the gear box of the coal feeder to rotate, and the transmission gear in the gear box of the coal feeder drives the coal conveying belt to rotate so as to finish the coal conveying work. When the driving device or the coal conveying belt of the coal feeder breaks down, the driving device is required to be detached from the coal feeder and overhaul work is completed, however, the coal conveying belt is required to be rotated to change the position of the coal conveying belt when the coal conveying belt of the coal feeder is overhauled, and at the moment, the driving device is detached and cannot drive the coal conveying belt to rotate, so that the overhaul work cannot be smoothly performed.
Disclosure of Invention
The utility model aims at providing a feeder transmission, this feeder transmission can drive the second drive gear in the feeder gear box and rotate, and then drives the coal conveyor belt and rotate to improve maintenance efficiency.
To achieve the above object, the present disclosure provides a coal feeder transmission including: the mounting seat is used for being detachably mounted on the box body of the coal feeder gearbox; a rotating shaft rotatably supported to the mount, and including a power input portion and a power output portion arranged opposite to each other; a first transfer gear coaxially fixedly mounted to the power take-off and for intermesh with a second transfer gear in the gearbox; and a crank attached to the power input section.
Optionally, the crank comprises a sleeve part, a rocker part and a holding part, the sleeve part and the holding part are respectively fixed at two opposite ends of the rocker part and are perpendicular to the rocker part, and the sleeve part is provided with a matching hole matched with the rotating shaft.
Optionally, the coal feeder transmission includes connecting rod and coupling nut, the portion of gripping constructs to the holding rod, the holding rod is provided with the countersunk head through-hole, the rocker portion is provided with the through-hole, the connecting rod is including threaded rod section and the non-threaded rod section that is connected, just non-threaded rod section with be formed with the step between the threaded rod section, non-threaded rod section pass countersunk head through-hole and butt in the rocker portion, threaded rod section pass the through-hole with coupling nut threaded connection.
Optionally, the rotating shaft includes a mating shaft section configured as a hexagonal prism and serving as the power input portion, and the mating hole is configured as a hexagonal hole into which the mating shaft section extends to be drivingly connected with the crank.
Optionally, the coal feeder transmission device includes a first bearing and a second bearing, the rotation shaft includes a first support shaft section, a first connection shaft section and a second support shaft section, the first connection shaft section is connected between the first support shaft section and the second support shaft section and forms a step with the first support shaft section and the second support shaft section, respectively, the first bearing and the second bearing are mounted on the first support shaft section and the second support shaft section, respectively, so as to rotatably support the rotation shaft to the mounting seat.
Optionally, the coal feeder transmission device comprises a first bearing cover and a second bearing cover, wherein the first bearing cover and the second bearing cover are sleeved on the rotating shaft, two ends of the mounting seat are respectively abutted to the first bearing and the second bearing, and the first bearing cover and the second bearing cover are respectively connected to the mounting seat through mounting bolts.
Optionally, the rotating shaft includes a second connecting shaft section and a first mounting shaft section, the second connecting shaft section is connected between the second supporting shaft section and the first mounting shaft section and forms a step with the second supporting shaft section and the first mounting shaft section respectively, the second connecting shaft section is sleeved with the second bearing cover, and the first transmission gear is connected with the first mounting shaft section in a transmission manner.
Optionally, the first transmission gear is in transmission connection with the first mounting shaft section through a connection key.
Optionally, the coal feeder transmission device comprises a lock nut, the rotating shaft comprises a second installation shaft section, the second installation shaft section is connected with the first installation shaft section, and the lock nut is in threaded connection with the second installation shaft section and is mutually abutted with the first transmission gear.
Optionally, the coal feeder transmission device comprises a first fastening piece, one end of the mounting seat is provided with a flange plate, the flange plate is used for being in surface contact with the box body and is provided with a mounting hole, and the first fastening piece penetrates through the mounting hole and is used for being in fastening connection with the box body.
Through above-mentioned technical scheme, mount pad detachable installs in the box of feeder gear box, and is provided with the axis of rotation in the mount pad, and the crank is installed in the power input portion of axis of rotation in order to drive the axis of rotation and rotate, and first drive gear installs in the power take off portion of axis of rotation in order to rotate along with the axis of rotation, and in addition first drive gear still meshes with the second drive gear, can drive the second drive gear through first drive gear like this and rotate. When overhauling the feeder, only need install the mount pad on the box to rotate the crank by operating personnel, just can drive first drive gear, further, first drive gear drives second drive gear and rotates, and second drive gear drives the coal conveying belt and rotates and accomplish the maintenance work with the position of transform coal conveying belt, can improve maintenance efficiency.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a schematic structural view of a coal feeder drive assembly provided by an embodiment of the present disclosure;
FIG. 2 is a side cross-sectional view of a crank provided by an embodiment of the present disclosure;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a front view of a crank provided by an embodiment of the present disclosure;
FIG. 5 is a schematic view of a first drive gear provided by an embodiment of the present disclosure;
fig. 6 is a schematic structural view of a lock nut provided by an embodiment of the present disclosure.
Description of the reference numerals
1. A mounting base; 11. a flange plate; 111. a mounting hole; 21. a mating shaft section; 22. a first support shaft section; 23. a first connecting shaft section; 24. a second support shaft section; 25. a second connecting shaft section; 26. a first mounting shaft section; 27. a second mounting shaft section; 31. a first bearing; 32. a second bearing; 4. a crank; 41. a sleeve portion; 411. a mating hole; 42. a rocker part; 43. a grip portion; 44. a connecting rod; 441. a threaded rod section; 442. a non-threaded rod segment; 45. a coupling nut; 5. a first transmission gear; 51. a key slot; 6. a lock nut; 61. a groove; 71. a first bearing cap; 72. and a second bearing cover.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In the present disclosure, unless otherwise indicated, the terms "first," "second," and the like are used herein to distinguish one element from another without sequence or importance. Furthermore, in the following description, when referring to the drawings, the same reference numerals in different drawings denote the same or similar elements unless otherwise explained. The foregoing definitions are provided for the purpose of illustrating and explaining the present disclosure and should not be construed as limiting the present disclosure.
According to a specific embodiment of the present disclosure, referring to fig. 1 to 6, there is provided a coal feeder transmission including: the mounting seat 1 is used for being detachably mounted on a box body of the coal feeder gearbox; a rotation shaft rotatably supported by the mount 1, and including a power input portion and a power output portion arranged opposite to each other; a first transmission gear 5, the first transmission gear 5 being fixedly mounted coaxially to the power output section and for intermesh with a second transmission gear in the gear box; and a crank 4, the crank 4 being mounted to the power input section.
Through above-mentioned technical scheme, mount pad 1 detachable installs in the box of feeder gear box, and is provided with the axis of rotation in the mount pad 1, and crank 4 installs in the power input part of axis of rotation in order to drive the axis of rotation and rotate, and first drive gear 5 installs in the power take off part of axis of rotation in order to rotate along with the axis of rotation, and in addition first drive gear 5 still meshes with the second drive gear, can drive the second drive gear through first drive gear 5 like this and rotate. When overhauling the feeder, only need install mount pad 1 on the box to rotate crank 4 by operating personnel, just can drive first drive gear 5, further, first drive gear 5 drives the rotation of second drive gear, and the second drive gear drives the position completion maintenance work that the coal belt rotated in order to change the coal belt, can improve maintenance efficiency.
In the coal feeder driving device provided in the present disclosure, the crank 4 may be constructed in any suitable manner, and in one exemplary embodiment, referring to fig. 2 to 4, the crank 4 includes a sleeve portion 41, a rocker portion 42, and a grip portion 43, the sleeve portion 41 and the grip portion 43 being fixed to opposite ends of the rocker portion 42 and disposed perpendicular to the rocker portion 42, respectively, and the sleeve portion 41 being formed with a fitting hole 411 to be fitted with a rotation shaft. In this way, the operator operates the holding portion 43 to make the rocker portion 42 rotate around the axial direction of the rotating shaft with the sleeve portion 41, and the sleeve portion 41 can be sleeved on the rotating shaft through the matching hole 411 to drive the rotating shaft to rotate around the axial direction of the operator. Through fixing sleeve portion 41 and gripping portion 43 respectively in the both ends of rocker portion 42 and perpendicular to rocker portion 42 setting, can realize that gripping portion 43 is in the circumference that uses sleeve portion 41 as the centre of a circle all the time, guarantee that the atress of crank 4 in the rotation in-process is even be difficult for breaking away from the axis of rotation, in addition, rocker portion 42 can also be designed into the arching, compare rocker portion 42 design into the orthoscopic, can increase the distance between gripping portion 43 and sleeve portion 41 like this, provide sufficient operating space for the operating personnel, the operating personnel is convenient for hold gripping portion 43 operation, the length of rocker portion 42 can design according to the needs in the actual maintenance, under the circumstances that the moment that the axis of rotation needs, the length of appropriately increasing rocker portion 42 can make the operating personnel operate more laborsaving.
Wherein the grip portion 43 may be configured in any suitable manner, in an exemplary embodiment, referring to fig. 2 to 3, the coal feeder transmission device includes a connection rod 44 and a connection nut 45, the grip portion 43 is configured as a grip rod provided with a countersunk through hole, the rocker portion 42 is provided with a through hole, the connection rod 44 includes a connected threaded rod section 441 and a non-threaded rod section 442, and a step is formed between the non-threaded rod section 442 and the threaded rod section 441, the non-threaded rod section 442 passes through the countersunk through hole and abuts the rocker portion 42, and the threaded rod section 441 passes through the through hole to be in threaded connection with the connection nut 45. Therefore, when the holding rod is installed, the positions of the countersunk through holes and the through holes are required to be guaranteed to be just corresponding, then the threaded rod section 441 of the connecting rod 44 sequentially penetrates through the countersunk through holes and the through holes and is in threaded connection with the connecting nut 45, after the threaded rod section 441 is connected with the connecting nut 45, the end face of one end, close to the threaded rod section 441, of the non-threaded rod section 442 is just abutted against the rocker portion 42 (namely, the connecting nut 45 and the non-threaded rod section 442 are respectively abutted against the two ends of the rocker portion 42), so that the rocker portion 42 is tightly connected with the connecting rod 44. The end of the non-threaded rod segment 442 facing away from the threaded rod segment 441 is further provided with a boss for stopping the grip portion 43, preventing the grip portion 43 from being detached from the connecting rod 44. In addition, the inner diameter of the countersunk through hole is slightly larger than the outer diameter of the non-threaded rod section 442, and the length of the non-threaded rod section 442 is slightly larger than the length of the holding part 43, so that the holding part 43 can be sleeved on the non-threaded rod section 442 of the connecting rod 44 and rotate relative to the connecting rod 44, and compared with tightly sleeving the countersunk through hole on the connecting rod 44, the friction between the connecting rod 44 and the holding part 43 can be reduced, and the operation of operators is facilitated. In order to further secure rotational flexibility between the connection rod 44 and the grip portion 43, a structure such as a bearing or a ball may be provided between the connection rod 44 and the grip portion 43, which is not limited by the present disclosure.
In the feeder actuator provided by the present disclosure, the crank 4 may be mounted to the power input of the rotating shaft in any suitable manner, and in one exemplary embodiment, referring to fig. 1 to 4, the rotating shaft includes a mating shaft section 21, the mating shaft section 21 being configured as a hexagonal prism and serving as the power input, and the mating hole 411 being configured as a hexagonal hole, the mating shaft section 21 extending into the mating hole 411 to be in driving connection with the crank 4. In this way, the crank 4 can be detachably mounted on the rotating shaft through the clamping fit of the fit hole 411 and the fit shaft section 21, and the rotating shaft is driven to rotate. When the maintenance is needed, the mounting seat 1 is firstly mounted, and the crank 4 is mounted, so that compared with the mode that the crank 4 is fixedly connected to the coal feeder transmission device, the design can reduce the manufacturing difficulty, and the crank 4 with different sizes can be conveniently replaced in actual use. In other embodiments, the shape and dimensions of the mating bore 411 and the mating shaft segment 21 may be designed in other suitable shapes, such as triangular bores and triangular posts, keys and keyways, etc., and the present disclosure is not limited in particular.
In the feeder driving device provided in the present disclosure, the rotation shaft may be rotatably supported to the mounting seat 1 in any suitable manner, and in one exemplary embodiment, referring to fig. 1, the feeder driving device includes a first bearing 31 and a second bearing 32, the rotation shaft includes a first support shaft section 22, a first connection shaft section 23, and a second support shaft section 24, the first connection shaft section 23 is connected between the first support shaft section 22 and the second support shaft section 24 and forms a step with the first support shaft section 22 and the second support shaft section 24, respectively, and the first bearing 31 and the second bearing 32 are mounted to the first support shaft section 22 and the second support shaft section 24, respectively, to rotatably support the rotation shaft to the mounting seat 1. Like this, the one end that first bearing 31 and second bearing 32 are close to each other is in butt respectively in the both ends face of first connecting axle section 23, can prevent that first bearing 31 and second bearing 32 from appearing along the axial displacement of axis of rotation, and first supporting axle section 22 is located to the inner race cover of first bearing 31, and the outer lane is embedded in the one end of mount pad 1, and second supporting axle section 24 is located to the inner race cover of second bearing 32, and the outer lane is embedded in the other end of mount pad 1, compares in only designing a bearing, and the aforesaid setting can avoid the axis of rotation to a great extent to follow the external force and control the swing in the rotation process, further improves first drive gear 5 and second drive gear's connection reliability.
In the coal feeder driving device provided in the present disclosure, the limitation of the first bearing 31 and the second bearing 32 may be implemented in any suitable manner, and in one exemplary embodiment, referring to fig. 1, the coal feeder driving device includes a first bearing cover 71 and a second bearing cover 72, the first bearing cover 71 and the second bearing cover 72 are sleeved on the rotation shaft, and are respectively abutted to the first bearing 31 and the second bearing 32 from both ends of the mounting seat 1, and the first bearing cover 71 and the second bearing cover 72 are respectively connected to the mounting seat 1 through mounting bolts. Thus, the first bearing cover 71 and the second bearing cover 72 are respectively abutted against one ends of the first bearing 31 and the second bearing 32, which are away from each other, so as to prevent the first bearing 31 and the second bearing 32 from being separated from the rotating shaft in use, and a mounting groove for accommodating the lubrication assembly can be further provided on one side of the second bearing cover 72, which is close to the second bearing 32, so as to have an effect of lubricating the second bearing 32.
In the coal feeder transmission provided in the present disclosure, positioning of the first transmission gear 5 may be achieved in any suitable manner, and in one exemplary embodiment, referring to fig. 1, the rotating shaft includes a second connection shaft section 25 and a first installation shaft section 26, the second connection shaft section 25 is connected between the second support shaft section 24 and the first installation shaft section 26 and forms a step with the second support shaft section 24 and the first installation shaft section 26, respectively, and the second bearing cover 72 is sleeved on the second connection shaft section 25, and the first transmission gear 5 is in transmission connection with the first installation shaft section 26. Like this first drive gear 5 cover is established on first installation axle section 26 and first end butt in second connecting axle section 25, can fix a position first drive gear 5 through adjusting the length of second connecting axle section 25, and then guarantees to wait that feeder transmission installs the back, and first drive gear 5 just in time meshes with second drive gear mutually.
Wherein the mounting of the first transfer gear 5 and the first mounting shaft section 26 may be accomplished in any suitable manner, in an exemplary embodiment, with reference to fig. 1 and 5, the first transfer gear 5 is in driving connection with the first mounting shaft section 26 via a connecting key. Specifically, the first mounting shaft section 26 has a connection key, and the first transmission gear 5 is formed with a key groove 51 that mates with the connection key, so that the first transmission gear 5 can be detachably mounted on the first mounting shaft section 26 of the rotating shaft and synchronously rotate along with the rotating shaft.
In the feeder transmission provided by the present disclosure, the limiting of the first drive gear 5 may be achieved in any suitable manner, and in one exemplary embodiment, with reference to the illustrations of fig. 1 and 6, the feeder transmission includes a lock nut 6, the rotating shaft includes a second mounting shaft section 27, the second mounting shaft section 27 is connected to the first mounting shaft section 26, and the lock nut 6 is threadedly connected to the second mounting shaft section 27 and is in abutment with the first drive gear 5. After the lock nut 6 is mounted, the first transmission gear 5 can be stopped between the lock nut 6 and the end face of the second connecting shaft section 25, so that the first transmission gear 5 is prevented from being separated from the first mounting shaft section 26. Wherein, can be provided with a plurality of recesses 61 on the lock nut 6, recess 61 is annular array and lays in the outer lane of lock nut 6, through setting up recess 61 can be convenient for the staff hold or adopt instrument chucking lock nut 6 for lock nut 6 locking more firmly.
In the feeder transmission provided by the present disclosure, the mounting base 1 may be detachably mounted on the housing of the feeder gearbox in any suitable manner, and in one exemplary embodiment, with reference to the illustration in fig. 1, the feeder transmission includes a first fastener, one end of the mounting base 1 being provided with a flange 11, the flange 11 being for surface contact with the housing and being provided with a mounting hole 111, the first fastener passing through the mounting hole 111 for fastening connection with the housing. The number of the first fasteners and the number of the mounting holes are equal to each other and correspond to each other one by one, and the number of the mounting holes can be multiple and distributed in the circumferential direction of the flange 11 in an annular array manner so as to ensure that the flange 11 is stably mounted on the box body.
To sum up, when the feeder transmission device provided by the disclosure is used, the mounting seat 1 is fastened and mounted on the box body of the feeder gear box through the first fastening piece, the mounted first transmission gear 5 is just meshed with the second transmission gear, then the proper crank 4 is selected and clamped and sleeved on the power input part of the rotating shaft, the crank 4 is operated to rotate positively or negatively so as to drive the rotating shaft to rotate, then the first transmission gear 5 is driven to rotate, the first transmission gear 5 is meshed with the second transmission gear and drives the second transmission gear to rotate, and further the feeder gear box drives the coal conveying belt of the feeder to rotate so as to overhaul the coal conveying belts at different positions.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. A coal feeder transmission, characterized in that the coal feeder transmission comprises:
the mounting seat is used for being detachably mounted on the box body of the coal feeder gearbox;
a rotating shaft rotatably supported to the mount, and including a power input portion and a power output portion arranged opposite to each other;
a first transfer gear coaxially fixedly mounted to the power take-off and for intermesh with a second transfer gear in the gearbox; and
and the crank is arranged on the power input part.
2. The feeder actuator of claim 1, wherein the crank includes a sleeve portion, a rocker portion, and a grip portion, the sleeve portion and the grip portion being respectively secured to opposite ends of the rocker portion and disposed perpendicular to the rocker portion, the sleeve portion being formed with a mating hole that mates with the rotating shaft.
3. The coal feeder of claim 2, wherein the coal feeder includes a connecting rod and a connecting nut, the gripping portion is configured as a gripping bar, the gripping bar is provided with a countersunk through hole, the rocker portion is provided with a through hole, the connecting rod includes a threaded rod section and a non-threaded rod section that are connected, and a step is formed between the non-threaded rod section and the threaded rod section, the non-threaded rod section passes through the countersunk through hole and abuts the rocker portion, and the threaded rod section passes through the through hole to be in threaded connection with the connecting nut.
4. The feeder actuator of claim 2, wherein the rotary shaft includes a mating shaft section configured as a hexagonal post and serving as the power input, and wherein the mating bore is configured as a hexagonal bore into which the mating shaft section extends for driving connection with the crank.
5. The feeder actuator of claim 4, wherein the feeder actuator includes a first bearing and a second bearing, the rotating shaft includes a first support shaft section, a first connecting shaft section, and a second support shaft section, the first connecting shaft section is connected between the first support shaft section and the second support shaft section and forms a step with the first support shaft section and the second support shaft section, respectively, the first bearing and the second bearing being mounted to the first support shaft section and the second support shaft section, respectively, to rotatably support the rotating shaft to the mount.
6. The feeder actuator of claim 5, wherein the feeder actuator includes a first bearing cap and a second bearing cap that are sleeved on the rotating shaft and abut the first bearing and the second bearing, respectively, from both ends of the mount, and the first bearing cap and the second bearing cap are connected to the mount, respectively, by mounting bolts.
7. The feeder actuator of claim 6, wherein the rotary shaft includes a second connecting shaft section and a first mounting shaft section, the second connecting shaft section being connected between the second support shaft section and the first mounting shaft section and forming a step with the second support shaft section and the first mounting shaft section, respectively, the second bearing cover being sleeved on the second connecting shaft section, and the first drive gear being drivingly connected on the first mounting shaft section.
8. The feeder actuator of claim 7, wherein the first drive gear is drivingly connected to the first mounting shaft section by a connecting key.
9. The feeder actuator of claim 7, wherein the feeder actuator includes a lock nut, and the rotating shaft includes a second mounting shaft section connected to the first mounting shaft section, the lock nut being threadably connected to the second mounting shaft section and abutting the first drive gear.
10. The feeder actuator of any one of claims 1-9, wherein the feeder actuator includes a first fastener, one end of the mount is provided with a flange for surface contact with the housing and provided with a mounting hole through which the first fastener passes for fastening connection with the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320765049.0U CN219822648U (en) | 2023-04-07 | 2023-04-07 | Transmission device of coal feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320765049.0U CN219822648U (en) | 2023-04-07 | 2023-04-07 | Transmission device of coal feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219822648U true CN219822648U (en) | 2023-10-13 |
Family
ID=88247943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320765049.0U Active CN219822648U (en) | 2023-04-07 | 2023-04-07 | Transmission device of coal feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219822648U (en) |
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2023
- 2023-04-07 CN CN202320765049.0U patent/CN219822648U/en active Active
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