CN211686958U - Heavy hammer counterweight device for belt conveyor and belt conveyor - Google Patents
Heavy hammer counterweight device for belt conveyor and belt conveyor Download PDFInfo
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- CN211686958U CN211686958U CN201922287440.0U CN201922287440U CN211686958U CN 211686958 U CN211686958 U CN 211686958U CN 201922287440 U CN201922287440 U CN 201922287440U CN 211686958 U CN211686958 U CN 211686958U
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Abstract
Heavy hammer counter weight device and belt conveyor for belt conveyor, heavy hammer counter weight device includes: a tower body; the first heavy hammer box is driven to be arranged on the tower frame main body in a sliding mode and connected with the tensioning mechanism, the first heavy hammer box is in a first suspension state of independently pulling the tensioning mechanism or cooperatively pulling the tensioning mechanism with the second heavy hammer box, and the second heavy hammer box is driven to be arranged on the tower frame main body in a sliding mode and connected with the first heavy hammer box; the second weight box has a second suspension state in which the first weight box is pulled to increase the tension force required for the first weight box to pull the tension mechanism, and a second landing state in which the first weight box is not pulled. The problem that the conventional heavy hammer counterweight device for the belt conveyor is tensioned by means of constant gravity and cannot select corresponding tensioning force according to working conditions in different environments is solved through the heavy hammer counterweight device for the belt conveyor and the belt conveyor.
Description
Technical Field
The utility model relates to a belt conveyor part technical field mainly relates to weight counter weight device and belt conveyor for belt conveyor
Background
Due to the complex working conditions of the long-distance belt conveyor, various factors and operation states need to be comprehensively considered during design, and the motor power, tension and tension required under different operation working conditions are different. When the belt conveyor is in normal operation or working condition of going downhill, the driving force applied to the conveyor belt at the moment is small, so that the tension of the conveyor belt is small. However, the belt conveyor requires a large tension force to prevent the belt conveyor from slipping its drive rollers. At the moment, a heavy hammer tensioning device is needed to provide a large tensioning force for the conveyor belt so as to prevent the conveyor belt from slipping; when the belt conveyor is in an uphill working condition, the conveyor belt bears the material to be lifted, and the tension of the belt conveyor is increased under the action of the gravity of the material and the driving tension of the conveyor belt. In order to ensure that the conveying belt is not broken, the maximum tension value is reduced when the conveying belt needs to meet the requirement that the belt conveyor is in an uphill working condition.
However, in the prior art, the weight tensioning device is a tensioning device with constant tension, and a common weight tensioning device mainly comprises a tensioning roller, a weight box with a counterweight, a tensioning device bracket with a guide rod, a guardrail and the like. The device realizes the loading of tensile force through the action of self gravity, and the belt conveyor runs stably. However, the existing heavy hammer tensioning or vehicle type heavy hammer tensioning only depends on constant gravity to realize tensioning, when the belt conveyor is in an uphill working condition, the conveyor belt bears materials to lift, and the maximum tension force borne by the belt conveyor at the moment is far greater than that in a downhill working condition. At this time, the maximum tension of the conveyor belt is increased sharply, if the tension provided by the tensioning device is not changed, the high-specification conveyor belt is required to be used to prevent the conveyor belt from being broken due to the high tension, the high-specification conveyor belt is required to be used to ensure that the conveyor belt is not broken, and the investment cost of the belt conveyor is increased along with the increase of the manufacturing cost of the high-specification conveyor belt.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in solving current weight counter weight device for belt conveyor and relies on invariable gravity to realize the tensioning, can not change the problem of tensile force according to the operating mode under the different environment. Therefore, the utility model provides a weight counter weight device for belt conveyor, belt conveyor is including the straining device who is used for taut conveyer belt, and weight counter weight device includes: a tower body; the first weight box is driven to be arranged on the tower body in a sliding mode and connected with the tensioning mechanism, and the first weight box has a first suspension state for pulling the tensioning mechanism; the second heavy hammer box is driven to be arranged on the tower frame main body in a sliding mode and is connected with the first heavy hammer box; the second weight box has a second suspension state in which the first weight box is pulled to increase the tension force required for the first weight box to pull the tension mechanism, and a second landing state in which the first weight box is not pulled.
The tower body includes: the tower comprises a main tower frame provided with the first heavy hammer box and an auxiliary tower frame provided with the second heavy hammer box.
The first heavy hammer box is arranged on the tower body in a sliding mode through a first pulley block; and/or the second weight box is arranged on the tower body in a sliding mode through a second pulley block.
One end of a pull rope arranged on the first pulley block is connected with the tensioning mechanism, and the other end of the pull rope is connected with a first driving mechanism for driving the first heavy hammer box in the first suspension state.
One end of a guy cable arranged on the second pulley block is connected with the first heavy hammer box so as to apply vertical downward additional tension to the first heavy hammer box; the other end of the pull cable arranged on the second pulley block is connected with a second driving mechanism for driving the second counterweight box to switch between the second suspension state and the second grounding state.
Further comprising: and the pulley block tensioning mechanism tensions a cable on the second pulley block in the process of converting the second heavy hammer box towards the second grounding state.
The pulley block tensioning mechanism comprises: the slide rail is arranged along the moving direction of the second counter weight box; and the pull cable on the second pulley block is wound on the movable pulley, and the movable pulley is driven to be arranged on the sliding rail in a sliding manner so as to tighten the pull cable.
Further comprising: one end of the flexible height-limiting connecting piece is connected with the first heavy hammer box or the second heavy hammer box, and the first heavy hammer box or the second heavy hammer box is pulled to be limited to move out of the tower body.
Further comprising: the support member is arranged below the first weight box, and one end of the support member facing the first weight box is provided with a damping part.
A belt conveyor comprising: the weight counterbalance device for the belt conveyor is characterized in that the weight counterbalance device comprises a counterweight body.
The use method of the heavy hammer counterweight device for the belt conveyor comprises the following steps:
s1, before the belt conveyor is started, the first weight box is driven to slide on the tower body, and the first weight box is in a first suspension state with a tension mechanism pulled;
s2, after the belt conveyor is started, when the belt conveyor is in normal operation or working condition of downhill, the second heavy hammer box is driven to slide on the tower main body and is connected with the first heavy hammer box; said second counterweight housing being in said second suspended state;
and after the belt conveyor is started, when the belt conveyor is in an uphill working condition, the second heavy hammer box is in a second grounding state.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a weight counter weight device for belt conveyor, belt conveyor is including the straining device who is used for taut conveyer belt, and weight counter weight device includes: a tower body; the first weight box is driven to be arranged on the tower body in a sliding mode and connected with the tensioning mechanism, and the first weight box has a first suspension state for pulling the tensioning mechanism; the second heavy hammer box is driven to be arranged on the tower frame main body in a sliding mode and is connected with the first heavy hammer box; the second weight box has a second suspension state for pulling the first weight box to increase the tension force required by the first weight box to pull the tension mechanism, and a second landing state for not pulling the first weight box; in the prior art, the tensioning of a general heavy hammer or a vehicle type heavy hammer is realized only by purely depending on constant gravity, when a belt conveyor is in an uphill working condition, a conveying roller of a driving conveying belt provides large force for tensioning the conveying belt to convey materials to gradually increase gravitational potential energy as the conveying belt bears the materials to ascend, so that the tension of the belt conveyor gradually increases, and the tension of the conveying belt rapidly increases; however, since the tension provided by the conventional tension device is not changed, in order to prevent the belt from being broken due to a large tension, a high-specification belt needs to be used to reduce the generation of the belt so as to ensure the requirement of high tension that the belt can meet when the belt conveyor is in an uphill working condition. However, the higher the specification of the high-specification conveyor belt, the higher the cost, and the higher the cost, which increases the use cost of the manufacturer. In the scheme, when the belt conveyor is in normal operation or a downhill working condition, the weight counterweight device needs to provide a larger tension force to prevent the belt conveyor driving roller from slipping, so that the second weight box is added on the basis of suspending the first weight box on the tower body, so that the second weight box is in a second suspension state with the tension force required for pulling the first weight box to increase the tension force required for pulling the tension mechanism by the first weight box, and the tension force of the weight counterweight device is increased in the manner; when the belt conveyor is in an uphill working condition, the maximum tension of the conveyor belt is gradually increased along with the increase of gravitational potential energy caused by the fact that the conveyor belt bears materials to lift, the second heavy hammer box on the auxiliary tower frame is grounded, the second heavy hammer box is in a first suspension state without pulling the first heavy hammer box, and therefore the tension force of the heavy hammer counterweight device is reduced, when the conveyor belt faces different working conditions, the maximum tension of the conveyor belt under different working conditions can be reduced by adjusting the tension force of the heavy hammer counterweight device through the heavy hammer counterweight device with the adjustable tension force, and therefore the purposes of reducing the specification of the conveyor belt and greatly saving cost are achieved.
2. The utility model provides a weight counter weight device for belt conveyor, the pylon main part includes: the main tower frame is provided with the first heavy hammer box, and the auxiliary tower frame is provided with the second heavy hammer box; the first heavy hammer box is placed on the main tower, and when the second heavy hammer box is in the second suspension state, the first heavy hammer box and the second heavy hammer box are placed on the auxiliary tower, so that the first heavy hammer box and the second heavy hammer box can be ensured not to interfere with each other in a working state, and the operation is simple and convenient.
3. The utility model provides a heavy hammer counterweight device for a belt conveyor, wherein a first heavy hammer box is arranged on a tower main body in a sliding way through a first pulley block; and/or the second weight box is arranged on the tower main body in a sliding mode through a second pulley block, and the arrangement of the first pulley block and the second pulley block can be beneficial to changing the direction of the first weight box and the second weight box hung on the tower main body, so that the first weight box and the second weight box can move up and down on the tower main body conveniently, and the tower crane has the advantages of being simple in installation and convenient to operate.
4. The utility model provides a heavy hammer counterweight device for a belt conveyor, wherein one end of a guy cable arranged on a second pulley block is connected with a first heavy hammer box so as to apply vertical downward additional tension force to the first heavy hammer box; the other end of a pull rope arranged on the second pulley block is connected with a second driving mechanism for driving the second counterweight box to switch between the second suspension state and the second grounding state; the second driving mechanism can wind and release the guy cable through the PLC sensor received on the tower body before the second weight box is in the second suspension state and the second landing state, so that the first weight box is suspended on the tower body.
5. The utility model provides a weight counter weight device for belt conveyor still includes: and when the second heavy hammer box is in the second grounding state conversion process, the pulley block tensioning mechanism tensions the cable on the second pulley block, so that the cable can be effectively prevented from being separated from the second pulley block.
6. The utility model provides a weight counter weight device for belt conveyor, assembly pulley straining device includes: the slide rail is arranged along the moving direction of the second counter weight box; the pull cable on the second pulley block is wound on the movable pulley, and the movable pulley is driven to be arranged on the sliding rail in a sliding mode so as to tension the pull cable; the pull rope on the second pulley block is wound on the movable pulley, the movable pulley can slide on the sliding rail, when the second counter weight box is in the second grounding state conversion process, the movable pulley can always slide along the movable pulley under the action of gravity to keep always tensioning the pull rope on the second pulley block, and the pull rope can be effectively prevented from being separated from the second pulley block through the arrangement mode.
7. The utility model provides a heavy hammer counter weight device for belt conveyor still includes flexible limit for height position connecting piece, flexible limit for height position connecting piece one end with first heavy punch case or second heavy punch case links to each other, stimulates first heavy punch case or second heavy punch case shifts out with limiting it the pylon main part, through flexible limit for height position connecting piece stimulates first heavy punch case or the setting of second heavy punch case can prevent first heavy punch case or the second heavy punch case prevents to dash the top in the motion process in the pylon main part, causes the incident.
8. The utility model provides a weight counter weight device for belt conveyor still includes: a support member disposed below the first weight box, the support member having a shock absorbing portion at an end facing the first weight box; when the first weight box is broken due to a safety accident, the first weight box falls onto the support, the damping part of the support can play a role in buffering, and equipment below the height of the support is protected, so that further equipment damage is prevented.
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 schematic view of a counterweight device for a belt conveyor according to the present invention;
FIG. 2 is a schematic structural view of a tower frame main body of a heavy bob weight device for a belt conveyor according to the present invention;
fig. 3 is a schematic view of the main tower structure of the weight counterbalance apparatus for a belt conveyor of the present invention.
Description of reference numerals:
1-a main tower; 2-first weight box; 3-a first pulley block; 4-a second heavy hammer box; 5-a second pulley block; 6-a first drive mechanism; 8-a second drive mechanism; 9-an auxiliary tower; 12-a pulley block tensioning mechanism; 13-a slide rail; 14-flexible height-limiting connecting piece; 15-a support; 16-a conveyor belt; 17-a tensioning mechanism; 18-moving the pulley.
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.
Example 1
In the present embodiment, a weight counterbalance apparatus for a belt conveyor is provided, as shown in fig. 1 and 3, the belt conveyor includes a tensioning mechanism 17 for tensioning a conveyor belt 16, and the weight counterbalance apparatus includes: a tower body; a first weight box 2, which is driven to slide on the tower body and is connected with the tension mechanism 17, wherein the first weight box 2 has a first suspension state for pulling the tension mechanism 17; the second heavy hammer box 4 is driven to be arranged on the tower body in a sliding mode and is connected with the first heavy hammer box 2; the second weight box 4 has a second suspension state for pulling the first weight box 2 to increase the tension of the first weight box 2 pulling the tension mechanism 17, and a second landing state for not pulling the first weight box 2; in the prior art, the tensioning of a general heavy hammer or a vehicle type heavy hammer is realized only by purely depending on constant gravity, when a belt conveyor is in an uphill working condition, a conveying roller of a driving conveying belt provides large force for tensioning the conveying belt to convey materials to gradually increase gravitational potential energy as the conveying belt bears the materials to ascend, so that the tension of the belt conveyor gradually increases, and the tension of the conveying belt rapidly increases; however, since the tension provided by the conventional tensioning device is unchanged and cannot be changed, in order to prevent the conveyor belt from being broken due to high tension, a high-specification conveyor belt needs to be used to reduce the generation of the conveyor belt so as to ensure that the conveyor belt can meet the requirement of high tension when the belt conveyor is in an uphill working condition, however, the higher the specification of the high-specification conveyor belt is, the higher the manufacturing cost is, and the use cost of manufacturers is increased; in the present scheme, when the belt conveyor is in a normal operation or a downhill working condition, the tension provided by the conveying roller for driving the conveyor belt to the conveyor belt cannot ensure that the conveyor belt does not slip, and the weight counterbalance apparatus needs to provide a larger tension to prevent the belt conveyor driving roller from slipping, so that the second weight box 4 is added on the basis of suspending the first weight box 2 on the tower body, so that the second weight box 4 is in a second suspension state with a tension for pulling the first weight box 2 to increase the tension of the first weight box 2 for pulling the tension mechanism 17. The tension force of the heavy hammer counterweight device is increased through the mode, when the belt conveyor is in an ascending working condition, the conveying roller for driving the conveying belt can lift gravitational potential energy gradually towards the conveying belt along with the ascending of the conveying belt bearing materials, so that the tension of the belt conveyor is gradually increased, the conveying belt provides enough tension to be rapidly increased, the second heavy hammer box 4 is descended on the tower body, the second heavy hammer box 4 can be enabled to be in a second landing state without pulling the tensioning mechanism 17 to reduce the tension force of the heavy hammer counterweight device, the heavy hammer counterweight device capable of adjusting the weight can enable the conveying belt to meet different working conditions, and therefore the setting mode can reduce the tension force of the heavy hammer counterweight device without selecting high-specification conveying belt, the specification of the conveying belt is reduced, and the cost is greatly saved.
Wherein the tower body comprises: a main tower 1 provided with the first heavy hammer case 2, and an auxiliary tower 9 provided with the second heavy hammer case 4; the first weight box 2 is placed on the main tower 1, and when the second weight box 4 is in the second suspension state, the first weight box 2 and the second weight box 4 are placed on the auxiliary tower 9, so that the first weight box 2 and the second weight box 4 can be ensured not to interfere with each other in the working state, and the operation is simple and convenient.
In this embodiment, the first weight box 2 is slidably disposed on the tower body through a first pulley block 3; and/or, the second weight box 4 is slidably disposed on the tower main body through the second pulley block 5, and the arrangement of the first pulley block 3 and the second pulley block 5 can facilitate redirection of the first weight box 2 and the second weight box 4 suspended on the tower main body, so that the first weight box 2 and the second weight box 4 can move up and down on the tower main body, and the tower crane has the advantages of simple installation and convenient operation.
In this embodiment, as shown in fig. 2, one end of the cable provided on the first pulley block 3 is connected to the tensioning mechanism 17, and the other end is connected to the first driving mechanism 6 for driving the first weight box 2 in the first suspension state; the first driving mechanism 6 can wind and unwind the guy cable through the PLC sensor received on the tower body before the first suspension state of the first weight box 2, so as to suspend the first weight box 2 on the tower body, and the operation is accurate and simple, and in addition, the guy cable provided on the second pulley block 5 is connected with the first weight box 2 at one end thereof so as to apply an additional vertical downward tension to the first weight box 2; the other end of the guy cable arranged on the second pulley block 5 is connected with a second driving mechanism 8 for driving the second weight box 4 to switch between the second suspension state and the second grounding state; the second driving mechanism 8 can suspend the first weight box 2 on the tower body by winding and unwinding the cable by the PLC sensor received on the tower body before the second weight box 4 is in the second suspension state and the second landing state.
In this embodiment, a belt conveyor includes the weight counterbalance apparatus for a belt conveyor described above.
In this embodiment, the method further includes: a pulley block tensioning mechanism 12, wherein the pulley block tensioning mechanism 12 tensions the cable on the second pulley block 5 during the transition of the second weight box 4 toward the second grounding state, and when the second weight box 4 is in the transition of the second grounding state, the pulley block tensioning mechanism 12 tensions the cable on the second pulley block 5, so as to effectively prevent the cable from being disengaged from the second pulley block 5, and the pulley block tensioning mechanism 12 comprises: a slide rail 13 provided along the moving direction of the second counter weight housing 4; a movable pulley 18, the cable on the second pulley block 5 is wound on the movable pulley 18, and the movable pulley 18 is driven to be arranged on the sliding rail 13 in a sliding manner so as to tension the cable; the cable on the second pulley block 5 is wound on the movable pulley 18, the movable pulley 18 can slide on the slide rail 13, when the second weight box 4 is in the second landing state transition process, the movable pulley 18 can always slide along the movable pulley 18 under the action of gravity, so as to keep tensioning the cable on the second pulley block 5, and the cable can be effectively prevented from being separated from the second pulley block 5 by the arrangement mode.
In this embodiment, the tower further includes a flexible height-limiting connecting member 14, one end of the flexible height-limiting connecting member 14 is connected to the first weight box 2 or the second weight box 4, the first weight box 2 or the second weight box 4 is pulled to limit the movement of the first weight box 2 or the second weight box 4 out of the tower body, and the flexible height-limiting connecting member 14 is arranged to pull the first weight box 2 or the second weight box 4, so as to prevent the first weight box 2 or the second weight box 4 from impacting against the top of the tower body during the movement of the tower body, thereby preventing safety accidents.
In this embodiment, the method further includes: a support member 15 disposed below the first weight box 2, wherein the support member 15 has a damping portion at an end facing the first weight box 2; when the first weight box 2 is broken due to a safety accident, the first weight box 2 falls down onto the support member 15, the damping part of the support member 15 is arranged to play a role of buffering, and devices below the height of the support member 15 are protected, so that further device damage is prevented.
In this embodiment, the method for using the weight counterbalance for the belt conveyor includes the following steps:
s1, before the belt conveyor is started, the first weight box 2 is driven to slide on the tower body, so as to place the first weight box 2 in a first suspension state with the tension mechanism 17 pulled;
s2, after the belt conveyor is started, when the belt conveyor is in normal operation or working condition of downhill, the second heavy hammer box 4 is driven to slide on the tower main body and is connected with the first heavy hammer box 2; the second counterweight housing 4 is in the second suspended state;
when the belt conveyor is in an uphill condition after the belt conveyor is started, the second counterweight box 4 is in a second grounding state.
Claims (9)
1. A weight counterbalance device for a belt conveyor, the belt conveyor including a tensioning mechanism (17) for tensioning a conveyor belt (16), characterized in that the weight counterbalance device includes:
a tower body;
the first weight box (2) is arranged on the tower body in a driven sliding mode and is connected with the tensioning mechanism (17), and the first weight box (2) has a first suspension state for pulling the tensioning mechanism (17);
the second weight box (4) is driven to slide on the tower body and is connected with the first weight box (2); the second weight box (4) has a second suspension state in which the first weight box (2) is pulled to increase the tension force required to pull the tension mechanism (17) with the first weight box (2), and a second landing state in which the first weight box (2) is not pulled.
2. The weight counterbalance apparatus for a belt conveyor according to claim 1, wherein the tower body includes: a main tower frame (1) provided with the first heavy hammer box (2), and an auxiliary tower frame (9) provided with the second heavy hammer box (4).
3. A weight counterbalance arrangement for a belt conveyor according to claim 2, wherein said first weight box (2) is slidably mounted on said tower body by means of a first pulley block (3); and/or the second weight box (4) is arranged on the tower body in a sliding mode through a second pulley block (5).
4. A weight counterbalance arrangement for a belt conveyor according to claim 3, wherein the cable provided on the first pulley block (3) is connected at one end to the tensioning means (17) and at the other end to the first driving means (6) for driving the first weight box (2) in the first suspension state.
5. A weight counterbalance arrangement for a belt conveyor according to claim 4, characterized in that a cable provided on said second pulley block (5) is connected at one end to said first weight box (2) to apply additional tension vertically downwards to said first weight box (2); the other end of the guy cable arranged on the second pulley block (5) is connected with a second driving mechanism (8) for driving the second weight box (4) to switch between the second suspension state and the second grounding state.
6. The weight counterbalance apparatus for a belt conveyor according to any one of claims 3 to 5, further comprising:
a pulley block tensioning mechanism (12), wherein the pulley block tensioning mechanism (12) tensions a cable on the second pulley block (5) during the transition of the second weight box (4) towards the second grounding state.
7. The counterweight device of claim 6, wherein said pulley block tensioning mechanism (12) comprises:
a slide rail (13) provided in the vertical direction of the sub-tower (9);
the moving pulley (18) is wound on the pulling cable on the second pulley block (5), and the moving pulley (18) is arranged on the sliding rail (13) in a driven and sliding mode to pull the pulling cable.
8. The weight counterbalance apparatus for a belt conveyor according to claim 1, further comprising a weight counterbalance device
One end of the flexible height-limiting connecting piece (14) is connected with the first heavy hammer box (2) or the second heavy hammer box (4), and the flexible height-limiting connecting piece (14) is used for limiting the highest position of the first heavy hammer box (2) or the second heavy hammer box (4) so as to prevent the heavy hammer boxes from colliding with the top of the tower body.
9. A belt conveyor, comprising:
the weight counterbalance apparatus for a belt conveyor according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922287440.0U CN211686958U (en) | 2019-12-18 | 2019-12-18 | Heavy hammer counterweight device for belt conveyor and belt conveyor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922287440.0U CN211686958U (en) | 2019-12-18 | 2019-12-18 | Heavy hammer counterweight device for belt conveyor and belt conveyor |
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| CN211686958U true CN211686958U (en) | 2020-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980141A (en) * | 2019-12-18 | 2020-04-10 | 华电重工股份有限公司 | Heavy hammer counterweight device for belt conveyor, conveyor and using method |
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2019
- 2019-12-18 CN CN201922287440.0U patent/CN211686958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980141A (en) * | 2019-12-18 | 2020-04-10 | 华电重工股份有限公司 | Heavy hammer counterweight device for belt conveyor, conveyor and using method |
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