CN216188709U - High-position stay cord protection device of coal conveying belt machine - Google Patents
High-position stay cord protection device of coal conveying belt machine Download PDFInfo
- Publication number
- CN216188709U CN216188709U CN202122475848.8U CN202122475848U CN216188709U CN 216188709 U CN216188709 U CN 216188709U CN 202122475848 U CN202122475848 U CN 202122475848U CN 216188709 U CN216188709 U CN 216188709U
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- Prior art keywords
- pull rope
- protection device
- lifting screw
- belt
- slide rail
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- 239000003245 coal Substances 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a high-position pull rope protection device for a coal conveying belt machine, which comprises a rack and a slide rail, wherein a pull rope switch, a limiting ring and a longitudinal main pull rope are fixedly arranged on the slide rail; the slide rail is riveted with a supporting inclined rod through a hinge, a pulley and a transverse supporting rope are erected at the top of the supporting inclined rod, the middle of the supporting inclined rod is riveted with a lifting screw, the bottom of the lifting screw is connected with a rocking handle, the middle of the lifting screw is sleeved with a threaded sleeve, the threaded sleeve is fixedly connected with a sliding sleeve, and the sliding sleeve is matched with the slide rail. The direction of the pull ropes is changed through the pulleys, and a horizontal person can pull any one of the pull ropes on the running belt through the pull rope linkage structure connected in series to stop the belt; the utility model has the following advantages: the cost is low, the installation is convenient, the existing protection equipment on the site does not need to be greatly changed, and the final protection effect is achieved; the height and the position of the pulley are adjusted through the structures of the supporting inclined rod, the lifting screw rod, the threaded sleeve and the sliding sleeve, and the functions of peak clipping and coal pile material uniformization can be achieved.
Description
Technical Field
The utility model relates to the technical field of coal conveying belt conveyors, in particular to a high-position pull rope protection device of a coal conveying belt conveyor.
Background
The coal conveying belt of the thermal power plant generally has relatively complete protective measures, but because workers carelessly and unexpectedly always have the condition of illegal safety work, generally, workers work on the belt and meet the condition that the belt is suddenly started and easily falls down, at the moment, the personnel in a lying state cannot save themselves through belt protective equipment such as a pull rope and the like, and the safety of the personnel is greatly threatened; in addition, the length of the belt conveyor is generally large, the belt conveyor is often far away from a starting device, various unexpected situations such as coal blockage and the like are often caused by slow starting and stopping, and the problem is also urgently solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a high-position pull rope protection device for a coal belt conveyor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a high-position pull rope protection device for a coal conveying belt machine comprises a rack and two slide rails symmetrically arranged outside two lateral surfaces of the rack, wherein the rack comprises a machine body part, a machine head protective cover and a machine tail part, a driving roller is arranged at the machine head protective cover, the driving roller is connected with a reduction gearbox, the reduction gearbox is connected with a driving motor shaft through a shaft, and the starting and stopping of the driving motor shaft are realized through a pull rope switch;
the upper surface of each sliding rail is fixedly provided with a plurality of pull rope switches which are equidistantly arranged along the length direction, the interfaces at the two ends of the pull rope switches are sequentially connected in series through longitudinal main pull ropes, and the upper surface of each sliding rail is also provided with a limiting ring for the longitudinal main pull ropes to pass through, so that the included angle between each section of the longitudinal main pull rope and the upper surface of the sliding rail is smaller than 30 degrees, and the pull force capable of effectively controlling the pull rope switches is conveniently provided;
hinges are equidistantly arranged along the length direction of the sliding rail, supporting inclined rods are riveted on the hinges, pulleys are erected at the top ends of the supporting inclined rods through pins, two groups of symmetrical pulleys are lapped with transverse supporting pull ropes, two ends of each transverse supporting pull rope are fixedly connected to one longitudinal main pull rope respectively, a limiting ring is arranged near each hinge, a fixed connection point between each transverse supporting pull rope and each longitudinal main pull rope is located between each hinge and the corresponding nearest limiting ring, so that the inclination angle of the side edge of each transverse supporting pull rope is close to that of the corresponding supporting inclined rod, one line in the middle of each transverse supporting pull rope is located above the belt, and the belt conveyor can be used for emergency stop of operators on the belt;
the middle part of the supporting diagonal rod is provided with an arc-shaped block part, the arc-shaped block part of the supporting diagonal rod is provided with a more than half spherical groove, a lifting screw rod is sleeved in the groove, the top end of the lifting screw rod is spherical and is clamped in the groove, the bottom end of the lifting screw rod is fixedly connected with a rocking handle, the middle part of the lifting screw rod is sleeved in a screw sleeve, the side wall of the screw sleeve is fixedly connected with the outer wall of the sliding sleeve, the inner wall of the sliding sleeve is in sliding fit with the sliding rail, and the screw sleeve is fixedly connected with the outer wall of the sliding sleeve through a triangular wing plate so as to enhance the connection tightness; when the rocking handle is rotated, the lifting screw rod rises or falls, so that the sliding sleeve slides on the sliding rail on the one hand, and the inclination angle of the supporting inclined rod is changed on the other hand, so that the height and the position of the pulley are changed.
Preferably, the two slide rails are connected with each other through a support rod, the support rod penetrates through the side part of the rack, the support rod is fixedly arranged on the base, a carrier roller is erected on the inner side of the rack, and a belt is arranged on the carrier roller.
Preferably, the height interval between a line in the middle of the transverse supporting and pulling rope and the belt is 25-45cm, the phenomenon that the coal pile on the belt is too high can be avoided, the brush is fixedly sleeved on the line in the middle of the transverse supporting and pulling rope in an equidistance mode, in the practical operation process, the top of the coal pile on the belt can be effectively cut by the transverse supporting and pulling rope, the brush is additionally arranged for enhancing the peak clipping effect, the top end of the coal pile on the belt can be rapidly clipped, therefore, materials on the whole belt are uniform, and the consequences such as unstable generated energy caused by coal blockage and uneven material transportation are avoided.
Preferably, the pull-cord switch is specifically an RLS-S1 automatic reset bidirectional pull-cord switch, and the working principle thereof is as follows: when an emergency accident happens on the site of the conveyor, the steel wire rope tied on the pull rope switch lifting lug can be pulled, so that the sliding block in the conveyor controls the action of the internal micro switch to send out a stop or alarm signal, and the automatic resetting machine type automatically resets after the steel wire rope is loosened.
Preferably, the longitudinal main pull rope is a steel wire rope covered by a nylon sleeve, so that hands are not scratched.
Preferably, the distance between adjacent hinges is 5-10m, the utility model is a real-time improvement aiming at the actual structure of the existing workshop, the original pull rope is arranged on two sides of the belt conveyor, and personnel can not pull down the pull rope when lying on the belt. At present, the original pull rope is changed in direction through a pulley, and a pull rope is transversely pulled above a belt at the position 5 meters away from a belt head every 10 meters to penetrate the upper part of the belt, so that the distance between the middle part of the transverse support pull rope and the height of the belt is 25-45cm, and a person lying down can pull and stop the belt by pulling any one of the pull ropes on the running belt.
Compared with the prior art, the utility model has the beneficial effects that:
1. the traditional pull ropes are arranged on two sides of a belt conveyor, and a person lying on the belt cannot pull down the pull ropes, but the original pull ropes are changed in direction through pulleys, one pull rope is transversely pulled above the belt to penetrate above the belt at intervals of about 10 meters from the position of 5 meters to a belt head, and the pull ropes are connected in series through a pull rope linkage structure, so that the person lying on the belt can pull and stop the belt by pulling any one of the pull ropes.
2. The utility model has the following advantages: the cost is low, the installation is convenient, the existing protection equipment on the site does not need to be greatly changed, and the final protection effect is achieved.
3. The height and the position of the pulley are adjusted through the structures of the supporting inclined rod, the lifting screw rod, the threaded sleeve and the sliding sleeve, and the functions of peak clipping and coal pile material uniformization can be achieved.
Drawings
FIG. 1 is a side view of a high-position pull rope protection device of a coal belt conveyor according to the utility model;
FIG. 2 is a rear view of a high-level pull rope protection device of a coal conveyor belt according to the present invention;
in the figure: the device comprises a rack 1, a slide rail 2, a pull rope switch 3, a longitudinal main pull rope 4, a limiting ring 5, a hinge 6, a support inclined rod 7, a pulley 8, a transverse support pull rope 9, a lifting screw rod 10, a rocking handle 11, a threaded sleeve 12, a sliding sleeve 13, a support rod 14, a base 15, a carrier roller 16, a belt 17, a hairbrush 18 and a triangular wing plate 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1-2, a high-position stay cord protection device for a coal conveyor belt comprises a frame 1 and two slide rails 2 symmetrically arranged outside two side surfaces of the frame 1, wherein a plurality of stay cord switches 3 arranged at equal intervals along the length direction are fixedly arranged on the upper surface of each slide rail 2, interfaces at two ends of the stay cord switches 3 are sequentially connected in series through longitudinal main stay cords 4, and limiting rings 5 for the longitudinal main stay cords 4 to penetrate through are further arranged on the upper surfaces of the slide rails 2, so that an included angle between each section of the longitudinal main stay cords 4 and the upper surfaces of the slide rails 2 is smaller than 30 degrees, and the pull force capable of effectively controlling the stay cord switches 3 is conveniently provided; hinges 6 are equidistantly arranged along the length direction of the sliding rail 2, the hinges 6 are riveted with supporting diagonal rods 7, the top ends of the supporting diagonal rods 7 are provided with pulleys 8 through pin frames, two groups of symmetrical pulleys 8 are lapped with transverse supporting pull ropes 9, two ends of each transverse supporting pull rope 9 are fixedly connected to a longitudinal main pull rope 4 respectively, a limiting ring 5 is arranged near each hinge 6, a fixed connection point between each transverse supporting pull rope 9 and each longitudinal main pull rope 4 is located between each hinge 6 and the nearest limiting ring 5, so that the inclination angle of the side edge of each transverse supporting pull rope 9 is close to the inclination angle of each supporting diagonal rod 7, and a line in the middle of each transverse supporting pull rope 9 is located above a belt and can be used for emergency stop belt conveyors of operating personnel on the belts; the middle part of the supporting diagonal rod 7 is provided with an arc-shaped block part, the arc-shaped block part of the supporting diagonal rod 7 is provided with a more than half spherical groove, a lifting screw rod 10 is sleeved in the groove, the top end of the lifting screw rod 10 is spherical and clamped in the groove, the bottom end of the lifting screw rod 10 is fixedly connected with a rocking handle 11, the middle part of the lifting screw rod 10 is sleeved in a screw sleeve 12, the side wall of the screw sleeve 12 is fixedly connected with the outer wall of a sliding sleeve 13, the inner wall of the sliding sleeve 13 is in sliding fit with the sliding rail 2, and the screw sleeve 12 and the outer wall of the sliding sleeve 13 are fixedly connected through a triangular wing plate 19 so as to enhance the connection tightness; when the rocking handle 11 is rotated, the lifting screw 10 is lifted or lowered, on one hand, the sliding sleeve 13 slides on the sliding rail 2, on the other hand, the inclination angle of the supporting inclined rod 7 is changed, and the height and the position of the pulley 8 are changed.
Referring to fig. 1-2, two slide rails 2 are connected with each other through a support rod 14, the support rod 14 penetrates through the side of the frame 1, the support rod 14 is fixedly arranged on a base 15, a carrier roller 16 is arranged on the inner side of the frame 1, and a belt 17 is arranged on the carrier roller 16.
Referring to fig. 1-2, the pull-cord switch 3 is specifically an RLS-S1 automatic-resetting bidirectional pull-cord switch, and its working principle is: when an emergency accident happens on the site of the conveyor, the steel wire rope tied on the pull rope switch lifting lug can be pulled, so that the sliding block in the conveyor controls the action of the internal micro switch to send out a stop or alarm signal, and the automatic resetting machine type automatically resets after the steel wire rope is loosened.
Referring to fig. 1-2, the longitudinal main pull rope 4 is a steel wire rope covered by a nylon sleeve, so that hands are not scratched.
Referring to fig. 1-2, the distance between adjacent hinges 6 is 5-10m, the utility model is a real-time improvement aiming at the actual structure of the existing workshop, the original pull rope is arranged on two sides of the belt conveyor, and people lying on the belt cannot pull down the pull rope. The original pull rope is changed in direction through a pulley, a pull rope is transversely pulled above the belt at the position 5 m from the belt head every 10m to penetrate the upper part of the belt, the distance between the middle part of the transverse supporting pull rope 9 and the height of the belt is 25-45cm, and a person lying down can pull and stop the belt by pulling any one of the pull ropes on the running belt.
Example 2:
referring to fig. 1-2, on the basis of embodiment 1, the height distance between a line in the middle of the transverse supporting rope 9 and the belt 17 is 25-45cm, which can prevent the coal pile on the belt from being too high, the brush 18 is fixedly sleeved on the line in the middle of the transverse supporting rope 9 at an equal distance, and in actual operation, the top of the coal pile on the belt 17 can be effectively cut by the transverse supporting rope 9, so that the brush 18 is added to enhance the peak clipping effect, the top of the coal pile on the belt 17 can be quickly clipped, the material on the whole belt 17 is uniform, and the consequences such as unstable generated energy caused by coal blockage and uneven material transportation are avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A high-position stay cord protection device of a coal conveyor comprises a rack (1) and two slide rails (2) symmetrically arranged outside two side surfaces of the rack (1), and is characterized in that a plurality of stay cord switches (3) are fixedly arranged on the upper surface of each slide rail (2) at equal intervals along the length direction, interfaces at two ends of the stay cord switches (3) are sequentially connected in series through a longitudinal main stay cord (4), and a limiting ring (5) for the longitudinal main stay cord (4) to penetrate through is further arranged on the upper surface of each slide rail (2), so that an included angle between each section of the longitudinal main stay cord (4) and the upper surface of each slide rail (2) is smaller than 30 degrees;
hinges (6) are equidistantly arranged along the length direction of the sliding rail (2), supporting inclined rods (7) are riveted on the hinges (6), pulleys (8) are erected at the top ends of the supporting inclined rods (7) through pins, two groups of symmetrical pulleys (8) are lapped with transverse supporting pull ropes (9), two ends of each transverse supporting pull rope (9) are fixedly connected to one longitudinal main pull rope (4) respectively, a limiting ring (5) is arranged near each hinge (6), and a fixing point between each transverse supporting pull rope (9) and each longitudinal main pull rope (4) is located between each hinge (6) and the nearest limiting ring (5);
support down tube (7) middle part and be equipped with arc piece portion, the arc piece portion of supporting down tube (7) has seted up more than half spheroidal recess, the recess endotheca has lifting screw (10), lifting screw (10) top is globular and the joint is in the recess, lifting screw (10) bottom rigid coupling has rocking handle (11), cup joint in swivel nut (12) in lifting screw (10) middle part, swivel nut (12) lateral wall rigid coupling is in sliding sleeve (13) outer wall, sliding sleeve (13) inner wall and slide rail (2) sliding fit, just swivel nut (12) still pass through triangle pterygoid lamina (19) fastening connection with the outer wall of sliding sleeve (13).
2. The high-position pull rope protection device for the coal conveying belt machine according to claim 1, wherein two slide rails (2) are connected with each other through a support rod (14), the support rod (14) penetrates through the side portion of the machine frame (1), the support rod (14) is fixedly arranged on a base (15), a carrier roller (16) is erected on the inner side of the machine frame (1), and a belt (17) is arranged on the carrier roller (16).
3. The high-position pull rope protection device of the coal conveyor belt machine according to claim 1, characterized in that a line in the middle of the transverse supporting pull rope (9) is 25-45cm away from the height of the belt (17).
4. The high-position pull rope protection device of the coal conveyor belt machine according to claim 1, characterized in that the pull rope switch (3) is an automatic reset two-way pull rope switch RLS-S1.
5. The high-position pull rope protection device of the coal-conveying belt machine according to claim 1, characterized in that the longitudinal main pull rope (4) is a steel wire rope covered by a nylon sleeve.
6. The high-position pull rope protection device of the coal conveyor belt machine according to claim 1, characterized in that the distance between the adjacent hinges (6) is 5-10 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122475848.8U CN216188709U (en) | 2021-10-14 | 2021-10-14 | High-position stay cord protection device of coal conveying belt machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122475848.8U CN216188709U (en) | 2021-10-14 | 2021-10-14 | High-position stay cord protection device of coal conveying belt machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216188709U true CN216188709U (en) | 2022-04-05 |
Family
ID=80866266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122475848.8U Expired - Fee Related CN216188709U (en) | 2021-10-14 | 2021-10-14 | High-position stay cord protection device of coal conveying belt machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216188709U (en) |
-
2021
- 2021-10-14 CN CN202122475848.8U patent/CN216188709U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |
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| CF01 | Termination of patent right due to non-payment of annual fee |