CN220906249U - Quick replacement carrier roller device of ratchet structure - Google Patents
Quick replacement carrier roller device of ratchet structure Download PDFInfo
- Publication number
- CN220906249U CN220906249U CN202322604031.5U CN202322604031U CN220906249U CN 220906249 U CN220906249 U CN 220906249U CN 202322604031 U CN202322604031 U CN 202322604031U CN 220906249 U CN220906249 U CN 220906249U
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- ratchet
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- supporting
- adhesive tape
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- 230000005540 biological transmission Effects 0.000 claims abstract description 88
- 239000002390 adhesive tape Substances 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Abstract
The utility model relates to a quick carrier roller replacing device with a ratchet wheel structure, which comprises: the support base assembly, the ratchet wheel assembly and the transmission lifting assembly; the supporting base component can be detachably fixed on steel beams at two sides of the conveying frame; the two ends of the transmission lifting assembly are arranged on the supporting base assembly and can be arranged on steel beams on two sides of the conveying frame by means of the supporting base assembly; the ratchet wheel assembly is arranged at two side ends of the transmission lifting assembly and can drive the transmission lifting assembly to lift the conveying adhesive tape above the conveying frame for replacing the carrier roller. The device provided by the utility model has the characteristics of simple structure, convenience in disassembly and carrying, easiness in installation and the like, and is low in later maintenance cost, so that the economic benefit is improved and the safety of personnel is ensured for the safety production of mines.
Description
Technical Field
The utility model belongs to the technical field of underground beam tubes of coal mines, and particularly relates to a device for quickly replacing carrier rollers with a ratchet wheel structure.
Background
The belt conveyor is used as a main coal conveying tool, the conveying efficiency and the safety of the belt conveyor are important indexes, in the conveying process of the belt conveyor, the carrier roller is difficult to rotate and various forms of damage are caused due to the gravity of the coal to be borne when the carrier roller rotates, so that the belt conveyor is increased in running resistance, serious in adhesive tape abrasion, increased in power consumption and caused by the occurrence of fire accidents caused by adhesive tape slipping, and the damaged carrier roller is required to be maintained and replaced in time.
Under the influence of the tensioning device of the belt conveyor, the carrier roller can be detached from the lower part of the adhesive tape only by lifting the adhesive tape to a certain distance when the carrier roller is replaced. The belt conveyor has large weight of the rubber belt in no-load and heavy-load states, and particularly has larger weight of the rubber belt of the steel wire rope core with large inclination angle, large conveying capacity and long distance used in a coal mine, which causes great difficulty for lifting the rubber belt. In the past, 3-4 persons stand on large frames at two sides of a belt conveyor respectively in the carrier roller replacement process, a steel roller longer than the conveying belt width is used for lifting the conveying belt, so that an adhesive tape is separated from the surface of the carrier roller, and then the carrier roller is replaced; or unscrewing the screws on the base at the two ends of the carrier roller support, and integrally laying down the carrier roller support to separate the conveying belt from the surface of the carrier roller for replacement. The carrier roller replacing method is high in labor intensity and long in time consumption, the material above the conveyor belt needs to be cleaned and then can be operated when the belt conveyor is in heavy load, and safety accidents such as extrusion, impact and the like are extremely easy to occur in the operation process. The existing device for replacing the carrier roller, which can be found in the market, mainly utilizes two types of rotation of a motor and a hydraulic jack to lift the adhesive tape, has no great use due to the fact that the device is complex in structure, large in mass, inconvenient to carry, cannot be applied to the adhesive tape with a large dip angle and the like, and the carrier roller is replaced by a method in the past in 10 pairs of mines of Huating coal industry group companies. Therefore, it is highly desirable to develop a lifting device for safely and efficiently replacing the carrier roller, so as to avoid the production from being affected by safety accidents. In view of the above, the prior art should be improved to solve the above technical problems in the prior art.
Disclosure of utility model
First, the technical problem to be solved
Aiming at the existing technical problems, the utility model provides the quick carrier roller replacing device with the ratchet wheel structure, which can safely and efficiently replace carrier rollers.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
A ratchet structured quick change idler apparatus comprising: the support base assembly, the ratchet wheel assembly and the transmission lifting assembly;
the supporting base component can be detachably fixed on steel beams at two sides of the conveying frame;
The two ends of the transmission lifting assembly are arranged on the supporting base assembly and can be arranged on steel beams on two sides of the conveying frame by means of the supporting base assembly;
the ratchet wheel assembly is arranged at two side ends of the transmission lifting assembly and can drive the transmission lifting assembly to lift the conveying adhesive tape above the conveying frame for replacing the carrier roller.
Preferably, the transmission lifting assembly comprises: the device comprises a transmission rod, a transmission gear, a toothed plate, an adhesive tape supporting plate, a gear fixing piece and a toothed plate limiting piece;
The transmission gear and the gear fixing piece are arranged on the transmission rod;
The transmission gear is fixed at the middle part of the transmission rod by means of the gear fixing piece;
The toothed plate limiting piece is arranged on the transmission rod;
The toothed plate is vertically sleeved on the toothed plate limiting piece and can be meshed with the transmission gear for transmission;
the adhesive tape supporting plate is fixedly arranged at the top end of the toothed plate and can lift the transport adhesive tape;
When the transmission rod rotates, the toothed plate can be driven to move up and down in the vertical direction through the transmission gear, and then the adhesive tape supporting plate is driven to lift the transportation adhesive tape up and down.
Preferably, the ratchet assembly comprises: a first ratchet device and a second ratchet device;
the first ratchet device and the second ratchet device have the same structure;
The first ratchet device and the second ratchet device are respectively arranged at two ends of the transmission rod and are in transmission connection with the transmission rod.
Preferably, the first ratchet means comprises: ratchet, pawl, spring and pawl base;
The ratchet wheel is sleeved and fixed at one end part of the transmission rod;
the pawl is limited on the pawl base by a pawl fixing shaft and is meshed with the ratchet wheel;
One end of the spring is jointly fixed on the pawl base by means of a fixed shaft and the pawl;
The other end of the spring is fixed on the pawl base by means of another fixed shaft;
The pawl base is fixed on the conveying frame.
Preferably, the ratchet assembly further comprises: a handle;
The handle is connected with the first ratchet device and can drive the ratchet and the transmission rod to rotate, so as to drive the toothed plate to move up and down and drive the adhesive tape supporting plate to lift the transportation adhesive tape.
Preferably, the support base assembly includes: a first stand unit and a second stand unit;
the first support unit and the second support unit have the same structure;
The first support unit and the second support unit are respectively detachably fixed on steel beams at two sides of the conveying frame;
the tops of the first support unit and the second support unit are respectively connected with the two sides of the transmission rod in a rotatable supporting manner.
Preferably, the first stand unit includes: the device comprises a buckle base, a supporting rod and a bearing;
The buckle base can be fixed on a steel beam at one side of the conveying frame;
the bottom end of the supporting rod is fixedly connected with the buckle base;
The top end of the supporting rod is fixedly provided with the bearing, and can be rotatably supported and connected with the transmission rod by means of the bearing.
Preferably, the device further comprises an inclined support assembly;
one end of the inclined supporting component is fixed on the transportation rack, and the other end of the inclined supporting component is in supporting connection with the supporting base component.
(III) beneficial effects
The beneficial effects of the utility model are as follows: the quick carrier roller replacing device with the ratchet wheel structure has the following beneficial effects:
(1) The application adopts the labor-saving lever principle, increases the force arm and simultaneously saves the required manpower.
(2) The ratchet device is arranged in the application, and the running directions of the ratchet, the transmission gear and the toothed plate are limited, so that the personal safety of operators when the adhesive tape is lifted to a required height is ensured.
(3) The design of the application makes the direction of the arm of force perpendicular to the transmission direction, thus the movable range of the operator in the underground operation of the coal mine is a safe range, and the underground rail transportation of the coal mine is not influenced while the operation space is saved.
(4) The application has the characteristics of simple structure, convenient disassembly and carrying, easy installation and the like, and the later maintenance cost is low, thereby not only improving the economic benefit but also guaranteeing the safety of personnel for the safety production of mines.
(5) The application can be applied to the replacement of the carrier roller of the footrill, inclined and large-inclination-angle rubber belt conveyor.
Drawings
Fig. 1 is a schematic structural view of a quick carrier roller replacing device with a ratchet structure provided by the utility model;
Fig. 2 is a schematic structural view of a ratchet device for quickly replacing a carrier roller device with a ratchet structure according to the present utility model;
fig. 3 is a schematic diagram of a meshing structure of a transmission gear and a toothed plate of a ratchet structure rapid replacement carrier roller device provided by the utility model;
Fig. 4 is a schematic layout view of a ratchet structure of the present utility model when the carrier roller device is used;
fig. 5 is a schematic layout view of a ratchet structure of the present utility model when the carrier roller device is used.
[ Reference numerals description ]
101: A buckle base; 102: a support rod; 103: a bearing;
201: a transmission rod; 202: a transmission gear; 203: a gear fixing member; 204: toothed plate limiting piece; 205: a toothed plate; 206: an adhesive tape supporting plate; 207: a transport tape;
301: a handle; 302: a ratchet wheel; 303: a pawl; 304: a spring; 305: a pawl base; 4: and (5) tilting the support assembly.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.
As shown in fig. 1-5: the embodiment discloses quick replacement bearing roller device of ratchet structure includes: the device comprises a supporting base assembly, a ratchet assembly and a transmission lifting assembly.
The supporting base component can be detachably fixed on steel beams at two sides of the conveying rack; the two ends of the transmission lifting assembly are arranged on the supporting base assembly and can be arranged on steel beams on two sides of the conveying frame by means of the supporting base assembly; the ratchet wheel assembly is arranged at two side ends of the transmission lifting assembly and can drive the transmission lifting assembly to lift the conveying adhesive tape above the conveying frame for replacing the carrier roller.
The transmission lifting assembly in this embodiment includes: a transmission rod 201, a transmission gear 202, a toothed plate 205, an adhesive tape supporting plate 206, a gear fixing member 203 and a toothed plate limiting member 204. The transmission gear 202 and the gear fixing member 203 are both disposed on the transmission rod 201; the transmission gear 202 is fixed at the middle part of the transmission rod 201 by means of the gear fixing member 203; the toothed plate limiting piece 204 is arranged on the transmission rod 201; the toothed plate 205 is vertically sleeved and limited on the toothed plate limiting piece 204, and can be meshed with the transmission gear 202 for transmission.
The adhesive tape pallet 206 is fixedly arranged at the top end of the toothed plate 205 and can lift the transport adhesive tape 207; when the transmission rod 201 rotates, the toothed plate 205 can be driven to move up and down in the vertical direction by the transmission gear 202, so as to drive the adhesive tape supporting plate 206 to lift the transport adhesive tape 207 up and down.
The ratchet assembly in this embodiment includes: a first ratchet device and a second ratchet device; the first ratchet device and the second ratchet device have the same structure; the first ratchet device and the second ratchet device are respectively arranged at two ends of the transmission rod 201 and are in transmission connection with the transmission rod 201.
The first ratchet device in this embodiment includes: ratchet 302, pawl 303, spring 304, and pawl base 305; the ratchet wheel is sleeved and fixed at one end part of the transmission rod; the pawl 303 is retained on the pawl base 305 by a pawl securing shaft and is engaged with the ratchet wheel 302; one end of the spring 304 is fixed to the pawl base 305 together with the pawl 303 by means of a fixed shaft; the other end of the spring 304 is fixed to the pawl base 305 by means of another fixed shaft; the pallet base 305 is secured to the conveyor frame.
The ratchet assembly in this embodiment further comprises: a handle 301; the handle 301 is connected to the first ratchet device, and can drive the ratchet 302 and the transmission rod 201 to rotate, so as to drive the toothed plate 205 to move up and down, and drive the adhesive tape supporting plate 206 to lift the adhesive tape 207.
In detail, the support base assembly includes: a first stand unit and a second stand unit; the first support unit and the second support unit have the same structure; the first support unit and the second support unit are respectively detachably fixed on steel beams at two sides of the conveying frame; the tops of the first support unit and the second support unit are respectively rotatably connected with two sides of the transmission rod 201.
The first support unit in this embodiment includes: a buckle base 101, a support rod 102 and a bearing 103; the buckle base 101 can be fixed on a steel beam at one side of the conveying rack; the bottom end of the supporting rod 102 is fixedly connected with the buckle base 101; the top end of the supporting rod 102 is fixedly provided with the bearing 103, and can be rotatably supported and connected with the transmission rod 201 by means of the bearing 103.
As shown in fig. 5: the quick carrier roller replacing device with the ratchet wheel structure provided in the embodiment further comprises an inclined supporting component 4; one end of the inclined support component 4 is fixed on the transportation frame, and the other end of the inclined support component is in supporting connection with the support base component.
More specifically, the device in this embodiment is installed on one side of the H-shaped frame of the adhesive tape machine, which is close to the idler roller to be replaced, the device base is clamped on the phi 60 steel pipe longitudinal beam of the H-shaped frame, the semicircular fastening bolts of the base on the left side and the right side are screwed down, so that the device is stabilized on the longitudinal beam, then two transmission shafts are inserted from the bearings on the support rods of the device, and then the transmission gears, the gear fixing pieces, the toothed plate limiting pieces, the adhesive tape supporting plates, the ratchet wheels, the handles and the fastening fixing pieces thereof are sequentially installed.
After the installation is completed, the loose spring is buckled on the spring fixing shaft, the pawl and the ratchet wheel are guaranteed to be in an intermeshing state, then the handle is rotated in the vertical anticlockwise direction, the ratchet wheel is driven to rotate anticlockwise through the rotation of the handle, the ratchet wheel rotates one tooth each time, the pawl is used for fixing the tooth position of the ratchet wheel, the transmission shaft connected with the ratchet wheel also rotates in the same direction along with the ratchet wheel, the downward pressure born by the base is reduced through the bearing during rotation, the transmission shaft drives the transmission gear to rotate anticlockwise, the toothed plate meshed with the transmission gear moves vertically upwards, the toothed plate is driven to move upwards along with the rotation of the handle until the adhesive tape supporting plate lifts the adhesive tape until the operation space for replacing the carrier roller is met, the device is limited to move by the pawl on the ratchet wheels on the left side and the right side after the operation is stopped, and finally the carrier roller is damaged.
When the carrier roller of the inclined and large-inclination angle adhesive tape machine needs to be replaced, as shown in the installation of the device, when the base fixing pieces are installed, the base on two sides of the device is required to be additionally provided with 30-degree inclined supporting fixing pieces with the function of universal balls so as to stabilize the device.
After the damaged carrier roller is replaced, the spring fixing shaft is pressed downwards, the spring is loosened, the pawl is sprung away along with the pawl fixing shaft by the self-weight of the spring, at the moment, the ratchet wheel, the transmission shaft and the transmission gear can rotate clockwise, an operator controls the handle to limit the rotation speed of the ratchet wheel, the transmission shaft and the transmission gear, so that the toothed plate slowly descends downwards, and when the toothed plate descends to an initial position, the device is detached, and the installation process of replacing the damaged carrier roller at the next position is performed.
The force arm direction of the device is designed to be parallel to the direction of the adhesive tape rack, so that the operation space is greatly saved, ratchet devices are symmetrically designed on two sides of the device, the handle is designed in an inserting mode, and the position adjustment of operators during replacement of carrier rollers of the adhesive tape machine under various conditions is met, so that the safety production of mines is guaranteed to a certain extent.
The technical principles of the present utility model have been described above in connection with specific embodiments, which are provided for the purpose of explaining the principles of the present utility model and are not to be construed as limiting the scope of the present utility model in any way. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (8)
1. A ratchet structured quick change idler apparatus comprising: the support base assembly, the ratchet wheel assembly and the transmission lifting assembly;
the supporting base component can be detachably fixed on steel beams at two sides of the conveying frame;
The two ends of the transmission lifting assembly are arranged on the supporting base assembly and can be arranged on steel beams at two sides of the conveying frame by means of the supporting base assembly;
the ratchet wheel assembly is arranged at two side ends of the transmission lifting assembly and can drive the transmission lifting assembly to lift the conveying adhesive tape above the conveying frame for replacing the carrier roller.
2. The apparatus of claim 1, wherein the device comprises a plurality of sensors,
The transmission lifting assembly comprises: the device comprises a transmission rod, a transmission gear, a toothed plate, an adhesive tape supporting plate, a gear fixing piece and a toothed plate limiting piece;
The transmission gear and the gear fixing piece are arranged on the transmission rod;
The transmission gear is fixed at the middle part of the transmission rod by means of the gear fixing piece;
The toothed plate limiting piece is arranged on the transmission rod;
The toothed plate is vertically sleeved on the toothed plate limiting piece and can be meshed with the transmission gear for transmission;
the adhesive tape supporting plate is fixedly arranged at the top end of the toothed plate and can lift the transport adhesive tape;
When the transmission rod rotates, the toothed plate can be driven to move up and down in the vertical direction through the transmission gear, and then the adhesive tape supporting plate is driven to lift the transportation adhesive tape up and down.
3. The apparatus of claim 2, wherein the device comprises a plurality of sensors,
The ratchet assembly includes: a first ratchet device and a second ratchet device;
the first ratchet device and the second ratchet device have the same structure;
The first ratchet device and the second ratchet device are respectively arranged at two ends of the transmission rod and are in transmission connection with the transmission rod.
4. The apparatus of claim 3, wherein the device comprises a plurality of sensors,
The first ratchet device comprises: ratchet, pawl, spring and pawl base;
The ratchet wheel is sleeved and fixed at one end part of the transmission rod;
the pawl is limited on the pawl base by a pawl fixing shaft and is meshed with the ratchet wheel;
One end of the spring is jointly fixed on the pawl base by means of a fixed shaft and the pawl;
The other end of the spring is fixed on the pawl base by means of another fixed shaft;
The pawl base is fixed on the conveying frame.
5. The apparatus of claim 4, wherein the device comprises a plurality of sensors,
The ratchet assembly further comprises: a handle;
The handle is connected with the first ratchet device and can drive the ratchet and the transmission rod to rotate, so as to drive the toothed plate to move up and down and drive the adhesive tape supporting plate to lift the transportation adhesive tape.
6. The apparatus of claim 5, wherein the device comprises a plurality of sensors,
The support base assembly includes: a first stand unit and a second stand unit;
the first support unit and the second support unit have the same structure;
The first support unit and the second support unit are respectively detachably fixed on steel beams at two sides of the conveying frame;
the tops of the first support unit and the second support unit are respectively connected with the two sides of the transmission rod in a rotatable supporting manner.
7. The apparatus of claim 6, wherein the device comprises a plurality of sensors,
The first stand unit includes: the device comprises a buckle base, a supporting rod and a bearing;
The buckle base can be fixed on a steel beam at one side of the conveying frame;
the bottom end of the supporting rod is fixedly connected with the buckle base;
The top end of the supporting rod is fixedly provided with the bearing, and can be rotatably supported and connected with the transmission rod by means of the bearing.
8. The apparatus of claim 1, wherein the device comprises a plurality of sensors,
Further comprising an inclined support assembly;
one end of the inclined supporting component is fixed on the transportation rack, and the other end of the inclined supporting component is in supporting connection with the supporting base component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322604031.5U CN220906249U (en) | 2023-09-25 | 2023-09-25 | Quick replacement carrier roller device of ratchet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322604031.5U CN220906249U (en) | 2023-09-25 | 2023-09-25 | Quick replacement carrier roller device of ratchet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220906249U true CN220906249U (en) | 2024-05-07 |
Family
ID=90903595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322604031.5U Active CN220906249U (en) | 2023-09-25 | 2023-09-25 | Quick replacement carrier roller device of ratchet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220906249U (en) |
-
2023
- 2023-09-25 CN CN202322604031.5U patent/CN220906249U/en active Active
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