CN214691693U - Heavy hammer tensioning device - Google Patents
Heavy hammer tensioning device Download PDFInfo
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- CN214691693U CN214691693U CN202120877458.0U CN202120877458U CN214691693U CN 214691693 U CN214691693 U CN 214691693U CN 202120877458 U CN202120877458 U CN 202120877458U CN 214691693 U CN214691693 U CN 214691693U
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Abstract
The utility model relates to a weight overspeed device tensioner technical field provides a weight overspeed device tensioner, include: the frame body comprises a cross beam, a first frame and a second frame which are arranged in parallel; the tensioning mechanism comprises a balance weight and a first roller, and the balance weight and the first roller are arranged between the first frame and the second frame in a lifting manner; and one end of the hoisting mechanism is connected with the cross beam, the other end of the hoisting mechanism is connected with the tensioning mechanism, and the hoisting mechanism is suitable for driving the balance weight and the first roller to lift. The utility model provides a weight overspeed device tensioner, it is from taking hoist mechanism, when needing to overhaul, can mention counter weight and first cylinder through hoist mechanism to make the belt lax, maintain or change it. Compared with the mode of hoisting by adopting the crane, the crane hoisting device does not need to occupy larger hoisting space, is simpler and more convenient to operate, can save the expense of renting the crane and is beneficial to reducing the maintenance cost.
Description
Technical Field
The utility model relates to a weight overspeed device tensioner technical field, concretely relates to weight overspeed device tensioner.
Background
The belt conveyor heavy hammer tensioning device is a tensioning device which is very commonly applied, and has the advantage of constant tensioning force, and the tensioning force cannot be influenced by the service life of equipment; along with the increasing capability of various domestic mobile conveying equipment, the tension of a belt is increased, the tension of the existing conveying system is generally increased to more than 10t, and the tension of the belt on large-scale mobile conveying equipment is larger than 15t and even close to 20 t.
The tensioning force of the heavy hammer tensioning device mainly comes from the mass of the turnabout drum and the weight of the tensioning counterweight; when equipment is overhauled, the whole roller and the balance weight need to be lifted to loosen the belt, when the weight is in the order of 10t, a mobile crane can only be used for lifting in the past, the crane is generally large in size, large space needs to be occupied during lifting, and when the space in a plant area is small, the operation is very inconvenient when the crane is used; moreover, the expense of renting the crane is high, which increases the cost of maintenance.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the weight overspeed device tensioner among the prior art when overhauing, adopts hoist lifting roller and counter weight to lead to the inconvenient and higher defect of cost of operation to a weight overspeed device tensioner is provided.
In order to solve the technical problem, the technical scheme of the utility model as follows:
the utility model provides a weight overspeed device tensioner, include: the frame body comprises a cross beam, a first frame and a second frame which are arranged in parallel; the tensioning mechanism comprises a balance weight and a first roller, and the balance weight and the first roller are arranged between the first frame and the second frame in a lifting manner; and one end of the hoisting mechanism is connected with the cross beam, the other end of the hoisting mechanism is connected with the tensioning mechanism, and the hoisting mechanism is suitable for driving the balance weight and the first roller to lift.
Furthermore, the heavy hammer tensioning device also comprises a sliding seat, wherein one end of the sliding seat is slidably sleeved on the first frame, and the other end of the sliding seat is slidably sleeved on the second frame; the balance weight and the first roller are both arranged on the sliding seat; and one end of the hoisting mechanism, which is far away from the cross beam, is connected with the sliding seat.
Further, the hoisting mechanism comprises a first fixed pulley, a first movable pulley, a rope and a winder; the first fixed pulley is arranged on the cross beam, the first movable pulley is arranged on the sliding seat, and the winder is arranged on the cross beam; the head end of the rope sequentially bypasses the first fixed pulley and the first movable pulley and is fixed on the cross beam, and the tail end of the rope is connected with the winder.
Furthermore, the hoisting mechanism also comprises a second fixed pulley and a second movable pulley; the first fixed pulley is arranged on one surface, back to the balance weight, of the cross beam, and the second fixed pulley is arranged on one surface, facing the balance weight, of the cross beam; the first movable pulley and the second movable pulley are arranged on one surface, facing the cross beam, of the sliding seat, and the first movable pulley and the second movable pulley are arranged side by side; the head end of the rope sequentially bypasses the first fixed pulley, the first movable pulley, the second fixed pulley and the second movable pulley and is fixed on the cross beam, and the tail end of the rope is connected with the winder.
Furthermore, the hoisting mechanisms comprise two hoisting mechanisms, and the two hoisting mechanisms are symmetrically arranged on two sides of the frame body.
Furthermore, one side of the cross beam, which faces the counterweight, is provided with a first hanging lug, and the head end of the rope is arranged on the first hanging lug.
Furthermore, a second hanging lug is arranged on one side, back to the balance weight, of the cross beam, and the tail end of the rope is arranged on the second hanging lug.
Further, the tensioning mechanism further comprises a second roller, a third roller and a belt; the second roller and the third roller are both arranged on one surface of the cross beam, which is back to the counterweight, and the axes of the first roller, the second roller and the third roller are parallel; the belt is wound on the first roller, the second roller and the third roller and is suitable for changing the direction of the force on the belt.
Furthermore, the first frame is hinged to the cross beam, and the second frame is hinged to the cross beam.
Furthermore, the winder is an electric hoist.
The utility model discloses technical scheme has following advantage:
the utility model provides a weight overspeed device tensioner, it is from taking hoist mechanism, when needing to overhaul, can mention counter weight and first cylinder through hoist mechanism to make the belt lax, maintain or change it. Compared with the mode of hoisting by adopting the crane, the crane hoisting device does not need to occupy larger hoisting space, is simpler and more convenient to operate, can save the expense of renting the crane and is beneficial to reducing the maintenance cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a weight tensioner according to an embodiment of the present invention;
FIG. 2 is a side view of the weight tensioning device in an embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of the weight tensioning device according to an embodiment of the present invention;
fig. 4 is a schematic view of a partial structure of a lifting mechanism in the weight tensioning device according to an embodiment of the present invention;
fig. 5 is a schematic view of another partial structure of the hoisting mechanism in the weight tensioning device according to the embodiment of the present invention.
Description of reference numerals:
1. a cross beam; 2. A first frame; 3. A second frame;
4. balancing weight; 5. A first drum; 6. A first fixed pulley;
7. a second fixed pulley; 8. A first movable pulley; 9. A support plate;
10. an extension portion; 11. A sleeve; 12. A second drum;
13. a third drum; 14. A belt; 15. A rope;
16. a second movable pulley; 17. A first suspension loop; 18. A second suspension loop;
19. a reel; 20. And a hinged support.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 is a front view of a weight tensioner according to an embodiment of the present invention; FIG. 2 is a side view of the weight tensioning device in an embodiment of the present invention; FIG. 3 is a schematic view of a partial structure of the weight tensioning device according to an embodiment of the present invention; fig. 4 is a schematic view of a partial structure of a lifting mechanism in the weight tensioning device according to an embodiment of the present invention; fig. 5 is a schematic view of another partial structure of the hoisting mechanism in the weight tensioning device according to the embodiment of the present invention. As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present embodiment provides a weight tensioning device, including: the frame body comprises a cross beam 1, a first frame 2 and a second frame 3 which are arranged in parallel; the tensioning mechanism comprises a balance weight 4 and a first roller 5, and the balance weight 4 and the first roller 5 are arranged between the first frame 2 and the second frame 3 in a lifting manner; and one end of the hoisting mechanism is connected with the cross beam 1, and the other end of the hoisting mechanism is connected with the tensioning mechanism and is suitable for driving the counterweight 4 and the first roller 5 to lift.
Specifically, the first frame 2 and the second frame 3 may both be circular tube structures, the top of the first frame 2 may be connected to the cross beam 1 through the hinge support 20, and the bottom of the first frame 2 may be fixed to the ground through bolts. Similarly, the top of the second frame 3 can also be connected to the cross beam 1 through the hinge support 20, and the bottom of the second frame 3 can be fixed on the ground through bolts. The space between the first frame 2 and the second frame 3 can be designed according to the requirement. The counter weight 4 and the first roller 5 are both located in the area between the first frame 2 and the second frame 3, wherein a sliding seat can be arranged, the bottom of the sliding seat is provided with a supporting plate 9 which can be used for supporting the counter weight 4, through holes are arranged at the two ends of the supporting plate 9, and the supporting plate 9 is respectively sleeved on the first frame 2 and the second frame 3 through the through holes. The left side and the right side of the supporting plate 9 are respectively connected with a sleeve 11, the sleeves 11 are perpendicular to the supporting plate 9, and the diameter of each sleeve 11 is larger than that of the first frame 2. The top of the sleeve 11 extends toward the middle to form an extension 10, and both ends of the first roller 5 are fixed to the extension 10 by bolts. One end of the lifting mechanism is arranged on the cross beam 1, and the other end can be connected with a sliding seat, and when the sliding seat is lifted, the lifting mechanism can be lifted together with the counterweight 4 and the first roller 5.
The utility model provides a weight overspeed device tensioner, it is from taking hoist mechanism, when needing to overhaul, can mention counter weight 4 and first cylinder 5 through hoist mechanism to make belt 14 relax, maintain or change it. Compared with the mode of hoisting by adopting the crane, the crane hoisting device does not need to occupy larger hoisting space, is simpler and more convenient to operate, can save the expense of renting the crane and is beneficial to reducing the maintenance cost.
In the present embodiment, the hoisting mechanism includes, for the counterweight 4 having a small mass, a first fixed sheave 6, a first movable sheave 8, a rope 15, and a reel 19; the first fixed pulley 6 can be fixed on the top surface of the beam 1 by bolts, the first movable pulley 8 can be fixed on the extension part 10 by bolts, and the winder 19 can be installed on the top surface of the beam 1 by bolts; the head end of the rope 15 passes through the first fixed pulley 6 and the first movable pulley 8 in sequence and is fixed on the beam 1, and the tail end of the rope 15 is connected with the winder 19. Wherein, the surface of the beam 1 facing the counterweight 4 is provided with a first hanging lug 17, and the head end of the rope 15 can be arranged on the first hanging lug 17. Wherein, the winder 19 can be an electric hoist. Wherein the rope 15 may be a steel wire rope. When the first roller 5 and the counterweight 4 need to be lifted, the electric hoist is started to wind wires, and at the moment, the first movable pulley 8 is lifted together with the sliding seat.
In this embodiment, for the counterweight 4 with a large mass, the hoisting mechanism further includes a second fixed pulley and a second movable pulley 16; the second fixed pulley can be arranged on one surface of the cross beam 1 facing the counterweight 4 through a bolt; the second movable pulley 16 can be fixed on the extension part 10 through a bolt, and the first movable pulley 8 and the second movable pulley 16 can be arranged side by side; the head end of the rope 15 goes around the first fixed pulley 6, the first movable pulley 8, the second fixed pulley and the second movable pulley 16 in turn and is fixed on the first hanging lug 17 on the beam 1, and the tail end of the rope 15 is connected with the winder 19. When the first roller 5 and the counterweight 4 need to be lifted up, the electric hoist is started to wind the wire, and at the moment, the first movable pulley 8, the second movable pulley 16 and the sliding seat are lifted up. The number of the first movable sheave 8 and the second movable sheave 16 may be designed as needed, and when the same force is used as the number of the first movable sheave 8 and the second movable sheave 16 increases, the counterweight 4 and the first drum 5 having a larger mass can be lifted.
In this embodiment, the hoisting mechanisms may include two, and the two hoisting mechanisms are symmetrically disposed on two sides of the frame body. On the one hand, the lifting force can be increased, on the other hand, the stress of the sliding seat in the process can be ensured to be more uniform, and the whole lifting process is more stable.
In this embodiment, a first hanging lug 17 is provided on a surface of the beam 1 facing the counterweight 4, and a head end of the rope 15 is provided on the first hanging lug 17.
In this embodiment, a second hanging lug 18 is disposed on a side of the beam 1 opposite to the counterweight 4, and the tail end of the rope 15 is disposed on the second hanging lug 18. When the maintenance is not needed, the tail end of the rope 15 can be tied to the second hanging lug 18, and the rope 15 can be used as a safety rope, so that the reliability of the weight tensioning device is improved.
In this embodiment, the tensioning mechanism further comprises a second roller 12, a third roller 13 and a belt 14; the second roller 12 and the third roller 13 are both arranged on one surface of the beam 1, which is back to the counterweight 4, and the axes of the first roller 5, the second roller 12 and the third roller 13 are parallel; the belt 14 is wound around the first roller 5, the second roller 12 and the third roller 13 and is adapted to change the direction of the force on the belt 14. The second roller 12 and the third roller 13 may be fixed on the top surface of the beam 1 by bolts, and a certain space may be left between the two. The design is conventional and aims to change the direction of the force on the belt 14, so that the weight tensioning device is better suitable for different application scenes.
In this embodiment, the first frame 2 is hinged to the beam 1, and the second frame 3 is hinged to the beam 1, so that the first frame 2 and the second frame 3 can incline to a certain degree relative to the beam 1, and the weight tensioning device can better adapt to different application scenarios.
To sum up, the utility model provides a weight overspeed device tensioner possesses following beneficial effect:
the utility model provides a weight overspeed device tensioner can only can operate with the manual work, replaces the hoist, has improved work efficiency.
The utility model provides a rope among the weight overspeed device tensioner can be the safety protection rope concurrently, improves fail safe nature.
The utility model provides a weight overspeed device tensioner can only rely on manual operation, and the energy consumption is lower than using the hoist.
The utility model provides a weight overspeed device tensioner can only rely on manual operation, has saved the platform labour cost of hoist.
The utility model provides a weight overspeed device tensioner's play to rise weight is low, and the manual work can be operated, the operation of being convenient for.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A weight tensioner, comprising:
the frame body comprises a cross beam, a first frame and a second frame which are arranged in parallel;
the tensioning mechanism comprises a balance weight and a first roller, and the balance weight and the first roller are arranged between the first frame and the second frame in a lifting manner;
and one end of the hoisting mechanism is connected with the cross beam, the other end of the hoisting mechanism is connected with the tensioning mechanism, and the hoisting mechanism is suitable for driving the balance weight and the first roller to lift.
2. The weight tensioner according to claim 1,
the sliding seat is characterized by further comprising a sliding seat, wherein one end of the sliding seat is slidably sleeved on the first frame, and the other end of the sliding seat is slidably sleeved on the second frame;
the balance weight and the first roller are both arranged on the sliding seat;
and one end of the hoisting mechanism, which is far away from the cross beam, is connected with the sliding seat.
3. The weight tensioner according to claim 2,
the hoisting mechanism comprises a first fixed pulley, a first movable pulley, a rope and a winder;
the first fixed pulley is arranged on the cross beam, the first movable pulley is arranged on the sliding seat, and the winder is arranged on the cross beam;
the head end of the rope sequentially bypasses the first fixed pulley and the first movable pulley and is fixed on the cross beam, and the tail end of the rope is connected with the winder.
4. The weight tensioner according to claim 3,
the hoisting mechanism further comprises a second fixed pulley and a second movable pulley;
the first fixed pulley is arranged on one surface, back to the balance weight, of the cross beam, and the second fixed pulley is arranged on one surface, facing the balance weight, of the cross beam;
the first movable pulley and the second movable pulley are arranged on one surface, facing the cross beam, of the sliding seat, and the first movable pulley and the second movable pulley are arranged side by side;
the head end of the rope sequentially bypasses the first fixed pulley, the first movable pulley, the second fixed pulley and the second movable pulley and is fixed on the cross beam, and the tail end of the rope is connected with the winder.
5. The weight tensioner according to any one of claims 1 to 4,
the lifting mechanisms comprise two lifting mechanisms which are symmetrically arranged on two sides of the frame body.
6. The weight tensioner according to claim 3,
one side of the beam, which faces the balance weight, is provided with a first hanging lug, and the head end of the rope is arranged on the first hanging lug.
7. The weight tensioner according to claim 3,
one side of the beam, which faces away from the balance weight, is provided with a second hanging lug, and the tail end of the rope is arranged on the second hanging lug.
8. The weight tensioner according to claim 1,
the tensioning mechanism further comprises a second roller, a third roller and a belt;
the second roller and the third roller are both arranged on one surface of the cross beam, which is back to the counterweight, and the axes of the first roller, the second roller and the third roller are parallel;
the belt is wound on the first roller, the second roller and the third roller and is suitable for changing the direction of the force on the belt.
9. The weight tensioner according to claim 1,
the first frame is hinged to the cross beam, and the second frame is hinged to the cross beam.
10. The weight tensioner according to claim 3,
the winder is an electric hoist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120877458.0U CN214691693U (en) | 2021-04-26 | 2021-04-26 | Heavy hammer tensioning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120877458.0U CN214691693U (en) | 2021-04-26 | 2021-04-26 | Heavy hammer tensioning device |
Publications (1)
Publication Number | Publication Date |
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CN214691693U true CN214691693U (en) | 2021-11-12 |
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ID=78534385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120877458.0U Active CN214691693U (en) | 2021-04-26 | 2021-04-26 | Heavy hammer tensioning device |
Country Status (1)
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CN (1) | CN214691693U (en) |
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2021
- 2021-04-26 CN CN202120877458.0U patent/CN214691693U/en active Active
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