CN216376239U - Emergency stop device for a screw conveyor system and screw conveyor system - Google Patents

Emergency stop device for a screw conveyor system and screw conveyor system Download PDF

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Publication number
CN216376239U
CN216376239U CN202122458269.2U CN202122458269U CN216376239U CN 216376239 U CN216376239 U CN 216376239U CN 202122458269 U CN202122458269 U CN 202122458269U CN 216376239 U CN216376239 U CN 216376239U
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China
Prior art keywords
spiral conveying
emergency stop
stop device
conveying equipment
pedal
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CN202122458269.2U
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Chinese (zh)
Inventor
李志勇
蓝强
韩东
郑成胜
徐运波
王雪晨
何同兴
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Drilling Fluid Technology Service Center Of Sinopec Shengli Petroleum Engineering Co ltd
Sinopec Oilfield Service Corp
Sinopec Shengli Petroleum Engineering Corp
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Drilling Fluid Technology Service Center Of Sinopec Shengli Petroleum Engineering Co ltd
Sinopec Oilfield Service Corp
Sinopec Shengli Petroleum Engineering Corp
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Priority to CN202122458269.2U priority Critical patent/CN216376239U/en
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Abstract

The utility model provides an emergency stop device for spiral conveying equipment and a spiral conveying system, wherein the emergency stop device comprises: the pedal is arranged on the spiral conveying equipment; the driving piece is connected with the pedal and the spiral conveying equipment; the treading pedal can drive the driving piece to act so as to disconnect a control circuit of the spiral conveying equipment, so that the spiral conveying equipment can stop working emergently. Based on the technical scheme of the utility model, when the spiral conveying equipment needs to be stopped emergently, field workers only need to pedal the pedal to drive the driving piece to move so as to disconnect the control circuit and realize the emergency braking of the spiral conveying equipment. The mode is simple and convenient to implement, and the problem that the spiral conveying equipment cannot stop working in time due to the fact that workers need extra time to find the brake button in the related technology is solved, so that the problem of casualties caused by delaying braking time is solved. And further ensure that the spiral conveying equipment can meet the requirements of on-site safe operation.

Description

Emergency stop device for a screw conveyor system and screw conveyor system
Technical Field
The utility model relates to the technical field of control of conveying devices, in particular to an emergency stop device for spiral conveying equipment and a spiral conveying system.
Background
At present, when an accident occurs, field workers need to start a brake button to complete emergency braking of the contra-rotating conveying equipment, so that the field workers need extra time to search for the brake button, braking opportunity is delayed, equipment operation cannot be stopped in time, and casualties are caused.
That is, the emergency stop device in the related art has a problem of delaying the braking timing to cause casualties.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the application provides an emergency stop device and a spiral conveying system for spiral conveying equipment, and the problem that casualties are caused when the emergency stop device delays braking is solved.
The emergency stop device for a screw conveyor of the present invention comprises: the pedal is arranged on the spiral conveying equipment; the driving piece is connected with the pedal and the spiral conveying equipment; the treading pedal can drive the driving piece to act so as to disconnect a control circuit of the spiral conveying equipment, so that the spiral conveying equipment can stop working emergently.
In one embodiment, the driving member is a traction rope, the control circuit comprises a dynamic-breaking normally-closed switch, the emergency stop device further comprises a connecting pipe, the connecting pipe is fixedly connected to the pedal, one end of the traction rope is fixed, and the other end of the traction rope penetrates out of the connecting pipe and is connected with an execution arm of the dynamic-breaking normally-closed switch. Through this embodiment, staff's pedal, footboard drive connecting pipe and remove, and the connecting pipe drags the haulage rope, and the haulage rope pulls the execution arm with the one end that moves disconnected normally closed switch's execution arm and be connected for move disconnected normally closed switch's contact disconnection. Therefore, the control circuit is disconnected, and the emergency braking function of the emergency stop device on the spiral conveying equipment is further realized.
In one embodiment, the device further comprises a pulley, and the other end of the traction rope penetrates out of the connecting pipe, penetrates through the pulley and then is connected with the execution arm. Through this embodiment, set up the frictional force that the pulley can reduce the haulage rope, be about to the sliding friction between haulage rope and the connecting plate become the rolling friction between haulage rope and the pulley. Thereby ensuring that the hauling cable can smoothly drag the actuating arm of the normally closed switch. And further improves the convenience of use of the emergency stop device.
In one embodiment, the device further comprises a connecting plate for fixing the pulley, wherein a feeding hole is formed in the connecting plate and is located above the spiral conveying equipment.
In one embodiment, the number of the pedals is multiple, the multiple pedals are arranged at intervals in the first direction, the number of the connecting pipes is multiple, and the multiple connecting pipes are fixedly connected to the multiple pedals in a one-to-one correspondence mode. Through this embodiment, the staff only need step on arbitrary one in the polylith footboard can the disconnection control circuit to realize the emergency braking to spiral delivery mechanism, and then improved the convenience that emergency stop device used.
In one embodiment, the dynamic normally closed switch is a travel switch or a pull switch.
In one embodiment, the hauling cable is a steel cable, and/or the connecting pipe is a steel pipe. Through this embodiment, wire rope and steel pipe are the mark piece, adopt the manufacturing cost that the mark piece can reduce emergency stop device, make things convenient for its follow-up change simultaneously. Thereby saving the subsequent maintenance cost of the emergency stop device.
The utility model also provides a spiral conveying system which comprises the emergency stop device, and the emergency stop device is connected with spiral conveying equipment.
In one embodiment, a spiral conveying apparatus includes: the electric control system comprises a control circuit; the screw conveyor motor is electrically connected with the electric control system; and the screw conveyor is connected with a screw conveyor motor. Through this embodiment, because the spiral conveying equipment has integrated electrical system. This provides the screw conveyor apparatus with an automatic braking function. Thereby meeting the automatic control requirement of the equipment and simultaneously improving the use convenience and safety of the spiral conveying equipment.
In one embodiment, the control circuit comprises a main circuit and a maintenance interlocking circuit, and a dynamic-breaking normally closed switch and an emergency stop button are arranged on the main circuit. With the present embodiment, the emergency stop button implements emergency braking of the screw conveying apparatus as a third braking mode. This further improves the convenience and safety of use of the screw conveyor apparatus. In addition, the arrangement of the maintenance interlocking loop improves the stability and reliability of the spiral conveying equipment during working.
The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the utility model is achieved.
Compared with the prior art, the emergency stop device for the spiral conveying equipment and the spiral conveying system provided by the utility model at least have the following beneficial effects:
when the spiral conveying equipment needs to be stopped emergently, the field worker only needs to pedal the pedal to drive the driving piece to move so as to disconnect the control circuit and realize the emergency braking of the spiral conveying equipment. The mode is simple and convenient to implement, and the problem that the spiral conveying equipment cannot stop working in time due to the fact that workers need extra time to find the emergency stop button in the related technology is solved, so that the problem of casualties caused by delaying braking time is solved. And further ensure that the spiral conveying equipment can meet the requirements of on-site safe operation.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
fig. 1 shows a schematic view of the construction of an emergency stop device for a screw conveyor apparatus according to the utility model (the screw conveyor apparatus is shown);
fig. 2 shows a circuit schematic of the control circuit of fig. 1.
In the drawings, like parts are provided with like reference numerals. The drawings are not to scale.
Reference numerals:
10. a pedal; 20. a drive member; 30. a connecting pipe; 40. a pulley; 50. a connecting plate; 51. a feed inlet; 52. a discharge port; 100. a control circuit; 101. a dynamic-off normally closed switch; 102. a main loop; 103. overhauling the interlocking loop; 104. an emergency stop button; 106. a stop button; 107. a start button; 108. an AC contactor coil; 109. a thermal relay contact; 200. an electronic control system; 300. a screw conveyor motor; 400. a screw conveyor.
Detailed Description
The utility model will be further explained with reference to the drawings.
The first direction in this application is the transport direction of the screw conveyor 400 in fig. 1.
As shown in fig. 1 and 2, the present invention provides an emergency stop device for a screw conveyor, including a step 10 and a driving member 20. Wherein the tread 10 is arranged on the screw conveyor. The drive member 20 is connected to the tread plate 10 and the screw conveyor. The stepping on the pedal 10 can drive the driving part 20 to act to disconnect the control circuit 100 of the spiral conveying equipment, so that the spiral conveying equipment is stopped emergently.
In the above arrangement, when the spiral conveying apparatus needs to be stopped emergently, the field worker only needs to step the pedal 10 to drive the driving member 20 to move, so as to disconnect the control circuit 100, and realize emergency braking of the spiral conveying apparatus. The mode is simple and convenient to implement, and the problem that the spiral conveying equipment cannot stop working in time due to the fact that workers need extra time to find the brake button in the related technology is solved, so that the problem of casualties caused by delaying braking time is solved. And further ensure that the spiral conveying equipment can meet the requirements of on-site safe operation.
Specifically, as shown in fig. 1 and 2, in one embodiment, the driving member 20 is a pulling rope, the control circuit 100 includes a normally closed switch 101, the emergency stop device further includes a connecting pipe 30, the connecting pipe 30 is fixedly connected to the pedal 10, one end of the pulling rope is fixed, and the other end of the pulling rope penetrates through the connecting pipe 30 and is connected to an actuating arm of the normally closed switch 101.
In the above arrangement, when a worker steps on the pedal 10, the pedal 10 drives the connecting pipe 30 to move, the connecting pipe 30 drags the pulling rope, and the end of the pulling rope connected with the executing arm of the normally closed switch 101 pulls the executing arm, so that the contact of the normally closed switch 101 is disconnected. Thereby disconnecting the control circuit 100 and further realizing the emergency braking function of the emergency stop device to the screw conveying equipment.
Specifically, as shown in fig. 1, in one embodiment, the emergency stop device further includes a pulley 40, and the other end of the traction rope passes through the connection pipe 30, passes through the pulley 40, and is connected to the actuating arm.
In the above arrangement, the pulley 40 is provided to reduce the friction of the traction rope, i.e., the sliding friction between the traction rope and the lug plate 50 is changed to the rolling friction between the traction rope and the pulley 40. Thereby ensuring that the pulling rope can smoothly drag the actuating arm of the normally closed switch 101. And further improves the convenience of use of the emergency stop device.
Specifically, as shown in fig. 1, in one embodiment, the emergency stop device further includes a connecting plate 50 for fixing the pulley 40, and the connecting plate 50 is provided with a feeding hole 51, and the feeding hole 51 is located above the screw conveyer.
Specifically, as shown in fig. 1, in one embodiment, the pulley 40 is a fixed pulley, and the number of the fixed pulleys is one.
Specifically, as shown in FIG. 1, in one embodiment, the discharge port 52 is located at the output end of the auger apparatus.
Specifically, as shown in FIG. 1, in one embodiment, the connecting plate 50 is spaced from the pedal 10.
Specifically, as shown in fig. 1, in one embodiment, the number of the pedals 10 is multiple, the multiple pedals 10 are arranged at intervals in the first direction, the number of the connecting pipes 30 is multiple, and the multiple connecting pipes 30 are fixedly connected to the multiple pedals 10 in a one-to-one correspondence manner.
In the above arrangement, the control circuit 100 can be disconnected by a worker only by stepping on any one of the pedals 10, so that emergency braking of the screw conveying equipment is realized, and convenience in use of the emergency stop device is improved.
Specifically, as shown in fig. 1, in one embodiment, the dynamic normally-closed switch 101 is a travel switch or a pull switch.
Specifically, as shown in fig. 1, in one embodiment, the hauling cable is a steel cable, and the connecting pipe 30 is a steel pipe.
Specifically, as shown in fig. 1, in one embodiment, the pedal 10 may be a steel plate.
In the above arrangement, the steel plate, the steel wire rope and the steel pipe are all marking pieces, and the marking pieces can reduce the manufacturing cost of the emergency stop device and facilitate subsequent replacement of the emergency stop device. Thereby saving the subsequent maintenance cost of the emergency stop device.
As shown in fig. 1, the present invention also provides a spiral conveying system, which comprises a spiral conveying device and the emergency stop device, wherein the emergency stop device is connected with the spiral conveying device.
Specifically, as shown in fig. 1, in one embodiment, the auger apparatus includes an electronic control system 200, an auger motor 300, and an auger 400. The electronic control system 200 includes a control circuit 100. The auger motor 300 is electrically connected to the electronic control system 200. The auger 400 is coupled to the drive end of the auger motor 300.
In the above arrangement, the electric control system 200 is integrated with the screw conveyor. This provides the screw conveyor apparatus with an automatic braking function. Thereby meeting the automatic control requirement of the equipment and simultaneously improving the use convenience and safety of the spiral conveying equipment.
It should be noted that the electronic control system 200 can receive a control command from an external remote intelligent terminal, such as a mobile phone or other intelligent terminals, and automatically turns off the control circuit 100 after receiving the command, thereby implementing an automatic braking function of the spiral conveying system. Naturally, the emergency stop device as another control means implements an emergency braking of the screw conveyor. The two braking modes are parallel, and the convenience and the safety of the use of the spiral conveying equipment are further improved.
Specifically, as shown in fig. 2, in one embodiment, the control circuit 100 includes a main circuit 102 and a service interlock circuit 103, and the main circuit 102 is provided with a dynamic-off normally-closed switch 101 and an emergency stop button 104.
In the above arrangement, the emergency stop button 104 is used as a third braking mode to realize emergency braking of the spiral conveying equipment. This further improves the convenience and safety of use of the screw conveyor apparatus. In addition, the maintenance interlocking loop 103 is arranged, so that the stability and reliability of the spiral conveying equipment during working are improved.
Specifically, as shown in fig. 2, in one embodiment, an emergency stop button 104, a dynamic normally closed switch 101, a stop button 106, a start button 107, an ac contactor coil 108, and a thermal relay contact 109 are provided in series on the main circuit 102. Other parts in the figures are conventional electrical elements, and the connection mode is also conventional, so that redundant description is not repeated.
Two complete embodiments of the present application are described below in conjunction with figures 1 and 2:
example one
The utility model provides an emergency stop device for screw conveyer equipment, which is characterized in that an emergency stop button 104 and an overhaul interlocking loop 103 are added on the basis of a control circuit of a screw conveyer motor in the related art, firstly, the emergency stop button 104 is added at a position close to a screw conveyer 400, and when an emergency occurs, the screw conveyer motor 300 can be stopped by quickly beating the emergency stop button. Meanwhile, the emergency stop button 104 also serves as a maintenance switch, and the switch can be locked and hung with a maintenance board when equipment is maintained, so that the equipment is safely locked. Secondly, a pull switch is arranged on the screw conveyor 400, a steel wire rope penetrates through a steel pipe, the steel pipe is fixed on the pedal 10 on the screw conveyor 400, then one end of the steel pipe is fixed, the other end of the steel pipe is connected to an execution arm of the pull switch through a pulley 40, when any one of the pedals 10 moves, the steel wire rope is driven to touch the pull switch to act, a main contactor coil of the screw conveyor 400 is powered off, and the screw conveyor motor 300 stops working.
Optionally, the scram button 104 is an explosion-proof normally closed contact button.
Optionally, the pull switch is a direct-acting explosion-proof pull switch XY2CJR 15.
Optionally, the steel cord is a 2mm diameter steel cord.
Alternatively, the steel pipe fixed to the pedal 10 is a steel pipe having an inner diameter of 4 mm.
Alternatively, the pulley 40 is a 1.2 inch V-groove pulley.
Optionally, when any one of the pedals 10 is moved, the cable wire triggers the pull switch to operate, so that the main contactor coil (ac contactor coil 108) of the auger is de-energized and the auger motor 300 stops operating.
Example two
The difference between the second embodiment and the first embodiment is as follows:
(1) replacing the pull switch with a travel switch;
(2) the steel wire rope is a steel wire rope with the diameter of 4 mm;
(3) the steel pipe fixed on the pedal 10 is a steel pipe with the inner diameter of 6 mm;
(4) the pulley 40 is a 2 inch V-groove pulley.
The other structures of the second embodiment are the same as those of the first embodiment, and are not described herein.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (10)

1. An emergency stop device for a screw conveyor apparatus, comprising:
the pedal is arranged on the spiral conveying equipment;
the driving piece is connected with the pedal and the spiral conveying equipment;
the treading of the pedal can drive the driving piece to act so as to disconnect a control circuit of the spiral conveying equipment, so that the spiral conveying equipment stops working emergently.
2. The emergency stop device for a spiral conveying apparatus of claim 1, wherein the driving member is a pulling rope, the control circuit comprises a normally closed switch, the emergency stop device further comprises a connecting pipe, the connecting pipe is fixedly connected to the pedal, one end of the pulling rope is fixed, and the other end of the pulling rope penetrates out of the connecting pipe and is connected with an actuating arm of the normally closed switch.
3. The emergency stop device for a spiral conveying apparatus of claim 2, further comprising a pulley, wherein the other end of the pulling rope is threaded out of the connecting pipe and through the pulley, and then connected to the actuating arm.
4. The emergency stop device for a spiral conveying apparatus of claim 3, further comprising a connecting plate for fixing the pulley, wherein the connecting plate is provided with a feeding hole.
5. The emergency stop device for a spiral conveying apparatus according to any one of claims 2 to 4, wherein the number of the steps is plural, the plural steps are arranged at intervals in the first direction, the number of the connection pipes is plural, and the plural connection pipes are fixedly connected to the plural steps in a one-to-one correspondence.
6. The emergency stop device for a spiral conveying apparatus according to claim 5, wherein the normally closed switch is a travel switch or a pull switch.
7. The emergency stop device for a spiral conveying apparatus according to claim 5, wherein the traction rope is a steel wire rope, and/or the connection pipe is a steel pipe.
8. An auger system comprising an auger apparatus and an emergency stop device according to any one of claims 1 to 7 connected to the auger apparatus.
9. The spiral delivery system of claim 8, wherein the spiral delivery apparatus comprises:
the electric control system comprises a control circuit;
the screw conveyor motor is electrically connected with the electric control system;
and the screw conveyor is connected with the screw conveyor motor.
10. The screw conveyor system according to claim 9, wherein said control circuit comprises a main circuit and a service interlock circuit, said main circuit having a dynamic-off normally closed switch and a scram button disposed thereon.
CN202122458269.2U 2021-10-12 2021-10-12 Emergency stop device for a screw conveyor system and screw conveyor system Active CN216376239U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122458269.2U CN216376239U (en) 2021-10-12 2021-10-12 Emergency stop device for a screw conveyor system and screw conveyor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122458269.2U CN216376239U (en) 2021-10-12 2021-10-12 Emergency stop device for a screw conveyor system and screw conveyor system

Publications (1)

Publication Number Publication Date
CN216376239U true CN216376239U (en) 2022-04-26

Family

ID=81243006

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122458269.2U Active CN216376239U (en) 2021-10-12 2021-10-12 Emergency stop device for a screw conveyor system and screw conveyor system

Country Status (1)

Country Link
CN (1) CN216376239U (en)

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