CN212638944U - Chain bucket machine and multistage funnel anti-falling detection device - Google Patents
Chain bucket machine and multistage funnel anti-falling detection device Download PDFInfo
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- CN212638944U CN212638944U CN202020733824.0U CN202020733824U CN212638944U CN 212638944 U CN212638944 U CN 212638944U CN 202020733824 U CN202020733824 U CN 202020733824U CN 212638944 U CN212638944 U CN 212638944U
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Abstract
The utility model relates to a chain bucket machine and multistage funnel prevent weighing down detection device, multistage funnel prevent weighing down detection device and include loose pulley assembly, detecting element and connecting piece. The pulley component comprises a movable pulley and a fixed pulley arranged on the arm support. The connecting piece is wound around the movable pulley and the fixed pulley, one end of the connecting piece is connected with the arm support, and the other end of the connecting piece is connected with the detection element. When the movable angle of the arm support is larger than the preset angle, the secondary funnel moves along with the movement of the arm support, the distance between the secondary funnel and the arm support is unchanged, and the length of a connecting piece between the fixed pulley and the detection element is also unchanged. When the secondary hopper falls, the detection element has an upward pulling force, so that the detection element is triggered to work and sends a signal to the chain bucket machine, the chain bucket machine stops working, the fault is avoided from further expanding, and the equipment safety is ensured. This detection device is prevented weighing down by multistage funnel can detect whether the funnel falls under the mating reaction of loose pulley assembly, detecting element and connecting piece, simple structure, easily installation, and the processing cost is low.
Description
Technical Field
The utility model relates to a harbour operation equipment technical field especially relates to a chain bucket machine and multistage funnel prevent weighing down detection device.
Background
The chain bucket machine is a common port unloading operation equipment, and in the material taking process, materials are conveyed in a closed environment, so that dust is prevented from entering the outside air, and the chain bucket machine has the characteristic of environmental protection. The multistage funnel component is an important transfer component of the chain bucket machine in the transportation link and is arranged at the head of the arm support belt conveyor and above the central funnel. The first-stage funnel of the multi-stage funnel component is fixed on the arm support, and the second-stage funnel of the multi-stage funnel component is connected to the first-stage funnel through a hook; when the arm support is lifted by a certain angle, the secondary funnel moves up and down along with the primary funnel. In the long-term operation process, the hook between the primary funnel and the secondary funnel fails to work, so that the secondary funnel falls off, and serious equipment failure is caused. However, conventional bucket loaders are unable to perform hopper fall detection.
SUMMERY OF THE UTILITY MODEL
Therefore, a chain bucket machine and a multi-stage funnel anti-falling detection device are needed to be provided, and falling detection can be carried out; and, simple structure, easily installation, the processing cost is low.
The utility model provides a detection device is prevented weighing down by multistage funnel is applied to the chain bucket machine, the chain bucket machine has cantilever crane and multistage funnel subassembly, detection device is prevented weighing down by multistage funnel includes:
the pulley assembly comprises a movable pulley and a fixed pulley arranged on the arm support;
the detection element is arranged on a secondary funnel of the multi-stage funnel assembly;
and the connecting piece bypasses the movable pulley and the fixed pulley, one end of the connecting piece is used for connecting the arm support, and the other end of the connecting piece is connected with the detection element.
In one embodiment, the multistage funnel anti-falling detection device further comprises a weight member, and the weight member is arranged on the movable pulley.
In one embodiment, the multistage funnel anti-falling detection device further comprises a first mounting frame, one end of the first mounting frame is rotatably connected to the middle part of the movable pulley, and the counterweight is connected to the other end of the first mounting frame.
In one embodiment, one end of the connecting piece is connected to the arm support, and the other end of the connecting piece sequentially passes around the movable pulley and the fixed pulley and is connected to the detection element.
In one embodiment, the detection element is a limit switch.
In one embodiment, the connecting piece is a steel wire rope, and one end of the steel wire rope is welded to the arm support; the other end of the steel wire rope is connected to the detection element through a buckle, or the other end of the steel wire rope is welded to the detection element.
In one embodiment, the multistage funnel anti-falling detection device further comprises a second mounting frame, one end of the second mounting frame is connected to the arm support, and the other end of the second mounting frame is rotatably connected to the middle part of the fixed pulley.
A bucket chain machine, comprising:
a boom;
the multistage funnel assembly comprises a primary funnel and a secondary funnel connected with the primary funnel, and the primary funnel is arranged on the arm support; and
according to the multi-stage funnel anti-falling detection device, one end of the connecting piece is connected to the arm support, and the other end of the connecting piece is connected to the detection element.
In one embodiment, the funnel assembly further comprises a tertiary funnel, and the sizes of the primary funnel, the secondary funnel and the tertiary funnel are sequentially reduced.
In one embodiment, the chain bucket machine further comprises a hook and a central funnel, the tertiary funnel is connected to the central funnel, and the secondary funnel is connected to the primary funnel through the hook.
The chain bucket machine and the multi-stage funnel anti-falling device provided by the scheme at least have the following advantages:
according to the chain bucket machine and the multi-stage funnel anti-falling detection device, when the movable angle of the arm support is smaller than the preset angle, the distance between the secondary funnel and the arm support is continuously increased, the connecting piece between the fixed pulley and the detection element is stretched, the movable pulley is pulled up, and the movable pulley stops moving when reaching the limit. When the movable angle of the arm support is larger than the preset angle, the secondary funnel moves along with the movement of the arm support, the distance between the secondary funnel and the arm support is kept unchanged, and the length of a connecting piece between the fixed pulley and the detection element is also kept unchanged. When the second grade funnel falls, detecting element has an ascending pulling force to trigger detecting element work and send the signal to the chain bucket machine, make the chain bucket machine stop the operation, avoid the trouble to further enlarge, guarantee equipment safety. This detection device is prevented weighing down by multistage funnel can detect whether the second grade funnel falls under the mating reaction of loose pulley assembly, detecting element and connecting piece, simple structure easily installs, and the processing cost is low.
Drawings
Fig. 1 is a schematic structural view of a multi-stage funnel anti-falling detection device of a bucket chain machine according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a counterweight of the multi-stage hopper anti-falling detection device of the chain bucket machine according to an embodiment of the present invention, which is mounted on a first mounting frame;
fig. 3 is a schematic structural view of the fixed pulley of the multi-stage funnel anti-falling detection device of the chain bucket machine according to an embodiment of the present invention mounted on the second mounting frame;
fig. 4 is a schematic structural view of a bucket chain machine with a multistage funnel anti-falling detection device according to an embodiment of the present invention.
10. Pulley assembly, 11, movable pulley, 12, fixed pulley, 20, detecting element, 30, connecting piece, 40, counterweight, 50, cantilever crane, 60, first mounting bracket, 61, first connecting plate, 62, second connecting plate, 63, third connecting plate, 64, first pivot, 70, second mounting bracket, 71, first mounting panel, 72, second mounting panel, 73, second pivot, 80, multistage funnel subassembly, 81, one-level funnel, 82, second grade funnel, 83, tertiary funnel, 84, couple.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 and 4, fig. 1 is a schematic structural diagram of a multistage funnel anti-falling detection device according to an embodiment of the present invention, and fig. 4 is a schematic structural diagram of a bucket chain machine with a multistage funnel anti-falling detection device according to an embodiment of the present invention. The utility model relates to a multistage funnel prevents weighing down detection device, this multistage funnel prevents weighing down detection device are applied to the chain bucket machine, and the chain bucket machine has cantilever crane 50 and multistage funnel subassembly 80. The multi-stage funnel anti-falling detection device comprises a pulley assembly 10, a detection element 20 and a connecting piece 30. The pulley assembly 10 includes a movable pulley 11 and a fixed pulley 12, and the fixed pulley 12 is disposed on the arm support 50. The sensing element 20 is adapted to be disposed in a secondary funnel 82 of the multi-stage funnel assembly 80. The connecting member 30 passes around the movable pulley 11 and the fixed pulley 12, one end of the connecting member 30 is used for connecting the arm support 50, and the other end of the connecting member 30 is connected to the detecting element 20.
When the movable angle of the arm support 50 is smaller than the preset angle, the distance between the secondary funnel 82 and the arm support 50 is continuously increased, the connecting piece 30 between the fixed pulley 12 and the detection element 20 is elongated, the movable pulley 11 is pulled up, and the movable pulley 11 stops moving when reaching the limit. When the movable angle of the arm support 50 is greater than the preset angle, the secondary funnel 82 moves along with the movement of the arm support 50, the distance between the secondary funnel 82 and the arm support 50 is kept constant, and the length of the connecting piece 30 between the fixed pulley 12 and the detection element 20 is also kept constant. When the secondary hopper 82 falls, the detection element 20 has an upward pulling force, so that the detection element 20 is triggered to work and sends a signal to the chain bucket machine, the chain bucket machine stops working, the fault is prevented from further expanding, and the equipment safety is ensured. This detection device is prevented weighing down by multistage funnel can detect whether second grade funnel 82 falls under loose pulley assembly 10, detecting element 20 and connecting piece 30's mating reaction, simple structure easily installs, and the processing cost is low.
It should be noted that the active angle in this application refers to an angle of the arm support 50 in a horizontal direction during the process that the end of the arm support 50 away from the multistage hopper assembly 80 moves toward or away from the cargo ship when the chain bucket loader unloads the material in the cargo ship. Generally, the moving angle of the arm support 50 is-17 to 38 degrees. It can be understood that coordinates are established by taking the rotary seat of the arm support 50 as an origin, and when the arm support 50 is in a horizontal state, the angle of the arm support 50 is 0 degree; when one end of the arm support 50, which is far away from the multistage funnel assembly 80, is higher than the horizontal line where the rotary seat is located, the movable angle of the arm support 50 is-17 degrees to 0 degrees; when one end of the arm support 50, which is far away from the multistage funnel assembly 80, is lower than the horizontal line of the rotary seat, the movable angle of the arm support 50 is 0-38 degrees.
Specifically, referring to fig. 4, fig. 4 is a schematic structural diagram of a bucket chain machine with a multi-level hopper anti-falling detection device according to an embodiment of the present invention. The multistage funnel assembly 80 is located at the end of the boom 50 and the multistage funnel assembly 80 is located directly above the central funnel. The multi-stage funnel assembly 80 includes a first-stage funnel 81, a second-stage funnel 82, and a third-stage funnel 83, and the first-stage funnel 81 is disposed at an end of the arm frame 50. The tertiary funnel 83 is disposed above the central funnel, and the tertiary funnel 83 is connected to the central funnel. The secondary funnel 82 is located between the primary funnel 81 and the tertiary funnel 83, and the secondary funnel 82 is connected to the primary funnel 81.
It can be understood that when the moving angle of the arm 50 is changed from-17 ° to 11 °, the secondary hopper 82 is still stacked on the tertiary hopper 83, and the secondary hopper 82 does not move along with the movement of the arm 50. In the process, the distance between the secondary hopper 82 and the arm support 50 is continuously increased, the connecting piece 30 between the fixed pulley 12 and the detection element 20 is elongated, the movable pulley 11 is pulled up, and the movement is stopped when the movable pulley 11 reaches the limit. When the movable angle of the arm support 50 is changed from 11 degrees to 38 degrees, the secondary funnel 82 moves along with the movement of the arm support 50, the distance between the secondary funnel 82 and the arm support 50 is not changed, the length of the connecting piece 30 between the fixed pulley 12 and the detection element 20 is also kept unchanged, and the movable pulley 11 is not lifted in the original position. When the secondary hopper 82 falls, the detection element 20 has an upward pulling force, so that the detection element 20 is triggered to work and sends a signal to the chain bucket machine, the chain bucket machine stops working, the fault is prevented from further expanding, and the equipment safety is ensured.
In an embodiment, please refer to fig. 1 and fig. 4, fig. 1 shows a schematic structural diagram of a multistage funnel anti-falling detection device according to an embodiment of the present invention, and fig. 4 is a schematic structural diagram of a chain bucket machine with a multistage funnel anti-falling detection device according to an embodiment of the present invention. The multi-stage funnel anti-falling detection device further comprises a weight part 40, and the weight part 40 is arranged on the movable pulley 11. In a severe outdoor environment, the weight member 40 can secure the stability of the connection member 30. And, when the multistage funnel assembly 80 is out of order, the occurrence of the failure can be judged and further checked by the dropping of the weight member 40.
In an embodiment, please refer to fig. 1, fig. 1 shows a schematic structural diagram of a multistage funnel anti-falling detection device according to an embodiment of the present invention. The multistage funnel anti-falling detection device further comprises a first mounting frame 60, one end of the first mounting frame 60 is rotatably mounted in the middle of the movable pulley 11, and the counterweight 40 is mounted at the other end of the first mounting frame 60. The one end of first mounting bracket 60 is installed in the middle part of movable pulley 11, and weight 40 connects in the other end of first mounting bracket 60, makes weight 40 be located the axis of movable pulley 11, guarantees the equilibrium of movable pulley 11, makes multistage funnel anti-falling detection device's detection precision high.
Optionally, please refer to fig. 1 and fig. 2, fig. 1 shows a schematic structural diagram of a multistage funnel anti-falling detection device according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of a counterweight of a multistage funnel anti-falling detection device of a chain bucket machine according to an embodiment of the present invention, which is installed on a first installation frame. The first mounting bracket 60 includes a first connecting plate 61, a second connecting plate 62, a third connecting plate 63, and a first rotating shaft 64, and the first connecting plate 61 and the second connecting plate 62 are disposed opposite to each other to form a space through which the movable pulley 11 passes. The middle part of the movable pulley 11 is provided with a jack matched with the first rotating shaft 64, the first rotating shaft 64 is rotatably arranged in the jack in a penetrating way, and two ends of the first rotating shaft 64 are respectively connected with the first connecting plate 61 and the second connecting plate 62. One side of the third connecting plate 63 is connected to the first connecting plate 61, and the other side is connected to the second connecting plate 62; the weight member 40 is connected to the third connecting plate 63.
In an embodiment, please refer to fig. 1, fig. 1 shows a schematic structural diagram of a multistage funnel anti-falling detection device according to an embodiment of the present invention. One end of the connecting member 30 is connected to the arm frame 50, and the other end of the connecting member 30 passes around the movable pulley 11 and the fixed pulley 12 in sequence and is connected to the detecting element 20. It can be understood that the fixed pulley 12 is arranged between the movable pulley 11 and the detecting element 20, and one end of the connecting piece 30 passes through the movable pulley 11 and the fixed pulley 12 in sequence and is connected to the detecting element 20, so that the normal operation of the anti-falling detection of the multi-stage funnel is ensured.
In one embodiment, the sensing element 20 is a limit switch. Specifically, a limit switch is provided at the top of the secondary hopper 82. When the secondary hopper 82 falls, the detection element 20 has an upward pulling force, so that the detection element 20 is triggered to work and sends a signal to the chain bucket machine, the chain bucket machine stops working, the fault is prevented from further expanding, and the equipment safety is ensured. Of course, in other embodiments, the detection element 20 may also be a displacement sensor, a proximity switch, or the like.
It should be noted that the limit switch is an electrical switch for limiting the movement limit position of the mechanical device, and the electrical switch is classified into a contact type and a non-contact type. Specifically, in the present embodiment, the limit switch is a contact limit switch, and mainly includes a switch element, a switch operating member, and a transmission member. The top of second grade funnel 82 corresponds the dog of installing extreme position, when limit switch's mechanical contact touched the dog, just can cut off control circuit, made chain bucket machine stop motion, avoided the trouble further to enlarge, assurance equipment safety.
In one embodiment, the connector 30 is a steel cable. In the process of the anti-falling detection of the multistage funnel, the steel wire rope moves on the surfaces of the fixed pulley 12 and the movable pulley 11, and the steel wire rope has higher tensile strength, fatigue resistance and impact toughness and large bearing safety coefficient, so that the anti-falling detection device of the multistage funnel is safe and reliable to use.
Further, one end of the wire rope is welded to the arm 50, and the other end of the wire rope is welded to the detecting element 20. The two ends of the steel wire rope are respectively connected with the arm support 50 and the detection element 20 in a welding mode, so that the steel wire rope is more firmly installed, and the use safety of the multistage funnel anti-falling detection device is ensured. Of course, in other embodiments, the other end of the cable may be connected to the detecting element 20 by a snap-fit, and the cable may be detachably connected to the detecting element 20, so that the cable is easy to install and the detecting element 20 is easy to detach and replace.
In an embodiment, please refer to fig. 1 and 3, fig. 1 shows a schematic structural diagram of a multistage funnel anti-falling detection device according to an embodiment of the present invention, and fig. 3 is a schematic structural diagram of a fixed pulley of a multistage funnel anti-falling detection device of a chain bucket machine according to an embodiment of the present invention, which is mounted on a second mounting frame. The multistage funnel anti-falling detection device further comprises a second mounting frame 70, one end of the second mounting frame 70 is arranged on the arm support 50, and the other end of the second mounting frame 70 is rotatably arranged in the middle of the fixed pulley. The fixed pulley 12 is mounted on the arm support 50 through the second mounting bracket 70, the connecting piece 30 passes around the fixed pulley 12, and the direction of the force of the fixed pulley 12 can be changed. Moreover, one end of the second mounting frame 70 is connected to the middle part of the fixed pulley 12, so that the fixed pulley 12 is kept balanced, and the anti-falling detection precision of the multistage funnel is ensured.
Referring to fig. 1 and fig. 3, fig. 1 shows a schematic structural view of a multi-level funnel anti-falling detection device according to an embodiment of the present invention, and fig. 3 shows a schematic structural view of a fixed pulley of the multi-level funnel anti-falling detection device of a chain bucket machine according to an embodiment of the present invention, which is mounted on a second mounting frame. The second mounting bracket 70 includes a first mounting plate 71, a second mounting plate 72, and a second rotating shaft 73, and the first mounting plate 71 and the second mounting plate 72 are disposed opposite to each other to form a space through which the fixed sheave 12 passes. The fixed pulley 12 is provided with a mounting hole adapted to the second rotating shaft 73, the second rotating shaft 73 is rotatably disposed in the mounting hole, and two ends of the second rotating shaft 73 are respectively connected to the first mounting plate 71 and the second mounting plate 72. When the device is installed, one end of the first mounting plate 71, which is far away from the second rotating shaft 73, is connected to the arm support 50, and one end of the second mounting plate 72, which is far away from the second rotating shaft 73, is correspondingly connected to the arm support 50.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a bucket chain machine with a multi-level funnel anti-falling detection device according to an embodiment of the present invention. The utility model relates to a chain bucket machine of embodiment, prevent weighing down detection device including cantilever crane 50, multistage funnel subassembly 80 and the multistage funnel of any preceding embodiment. The multi-stage funnel assembly 80 includes a first-stage funnel 81 and a second-stage funnel 82 connected to the first-stage funnel 81, and the first-stage funnel 81 is disposed on the arm support 50. One end of the connecting member 30 is connected to the arm rest 50, and the other end of the connecting member 30 is connected to the detecting element 20.
In the above-mentioned chain bucket machine, when the movable angle of the arm support 50 is smaller than the preset angle, the distance between the secondary hopper 82 and the arm support 50 is continuously increased, the connecting piece 30 between the fixed pulley 12 and the detecting element 20 is elongated, the movable pulley 11 is pulled up, and the movement is stopped when the movable pulley 11 reaches the limit. When the movable angle of the arm support 50 is greater than the preset angle, the secondary funnel 82 moves along with the movement of the arm support 50, the distance between the secondary funnel 82 and the arm support 50 is kept constant, and the length of the connecting piece 30 between the fixed pulley 12 and the detection element 20 is also kept constant. When the secondary hopper 82 falls, the detection element 20 has an upward pulling force, so that the detection element 20 is triggered to work and sends a signal to the chain bucket machine, the chain bucket machine stops working, the fault is prevented from further expanding, and the equipment safety is ensured. This detection device is prevented weighing down by multistage funnel can detect whether second grade funnel 82 falls under loose pulley assembly 10, detecting element 20 and connecting piece 30's mating reaction, simple structure easily installs, and the processing cost is low.
In one embodiment, the multi-stage funnel assembly 80 further comprises a tertiary funnel 83, and the sizes of the primary funnel 81, the secondary funnel 82, and the tertiary funnel 83 are sequentially reduced. It should be noted that, when the moving angle of the arm support 50 is smaller than 11 °, the first-stage funnel 81 is accommodated in the second-stage funnel 82, the second-stage funnel 82 is stacked in the third-stage funnel 83, and the second-stage funnel 82 does not move along with the movement of the arm support 50. When the movable angle of the arm support 50 is larger than 11 degrees, the secondary funnel 82 moves along with the movement of the arm support 50.
In an embodiment, please refer to fig. 4, fig. 4 is a schematic structural diagram of a bucket chain machine with a multi-level hopper anti-falling detection device according to an embodiment of the present invention. The chain bucket machine further comprises a hook 84 and a central funnel, wherein the third-stage funnel 83 is connected to the central funnel, and the second-stage funnel 82 is connected to the first-stage funnel 81 through the hook 84. The second-level funnel 82 is connected to the first-level funnel 81 through a hook 84, and the third-level funnel 83 is arranged above the central funnel, so that materials in the cargo ship can be conveyed to the yard conveyor belt through the first-level funnel 81, the second-level funnel 82, the third-level funnel 83 and the central funnel conveniently.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a multistage funnel prevents weighing down detection device which characterized in that is applied to the chain bucket machine, the chain bucket machine has cantilever crane and multistage funnel subassembly, multistage funnel prevents weighing down detection device includes:
the pulley assembly comprises a movable pulley and a fixed pulley arranged on the arm support;
the detection element is arranged on a secondary funnel of the multi-stage funnel assembly;
and the connecting piece bypasses the movable pulley and the fixed pulley, one end of the connecting piece is used for connecting the arm support, and the other end of the connecting piece is connected with the detection element.
2. The multistage funnel fall detection device of claim 1, further comprising a weight member disposed on the movable pulley.
3. The multistage funnel fall detection device according to claim 2, further comprising a first mounting bracket, one end of which is rotatably connected to a middle portion of the movable pulley, and the weight member is connected to the other end of the first mounting bracket.
4. The multi-stage funnel anti-falling detection device according to claim 1, wherein one end of the connecting member is connected to the arm support, and the other end of the connecting member sequentially passes around the movable pulley and the fixed pulley and is connected to the detection element.
5. The multiple-stage funnel fall detection device of claim 1, wherein the detection element is a limit switch.
6. The multi-stage funnel anti-falling detection device according to claim 1, wherein the connecting piece is a steel wire rope, and one end of the steel wire rope is welded to the arm support; the other end of the steel wire rope is connected to the detection element through a buckle, or the other end of the steel wire rope is welded to the detection element.
7. The multi-stage funnel anti-falling detection device according to claim 1, further comprising a second mounting frame, wherein one end of the second mounting frame is connected to the arm support, and the other end of the second mounting frame is rotatably connected to the middle part of the fixed pulley.
8. A bucket chain machine, comprising:
a boom;
the multistage funnel assembly comprises a primary funnel and a secondary funnel connected with the primary funnel, and the primary funnel is arranged on the arm support; and
the multiple-stage funnel anti-fall detection device according to any one of claims 1 to 7, wherein one end of the connecting member is connected to the arm support, and the other end of the connecting member is connected to the detection element.
9. The chain bucket machine of claim 8, wherein the hopper assembly further comprises a tertiary hopper, the primary hopper, the secondary hopper, and the tertiary hopper decreasing in size in sequence.
10. The chain bucket machine of claim 9, further comprising a hook and a central funnel, wherein the tertiary funnel is connected to the central funnel, and wherein the secondary funnel is connected to the primary funnel by the hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020733824.0U CN212638944U (en) | 2020-05-07 | 2020-05-07 | Chain bucket machine and multistage funnel anti-falling detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020733824.0U CN212638944U (en) | 2020-05-07 | 2020-05-07 | Chain bucket machine and multistage funnel anti-falling detection device |
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| Publication Number | Publication Date |
|---|---|
| CN212638944U true CN212638944U (en) | 2021-03-02 |
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| CN202020733824.0U Active CN212638944U (en) | 2020-05-07 | 2020-05-07 | Chain bucket machine and multistage funnel anti-falling detection device |
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