CN107879250B - Safety protection device capable of preventing inclined pull of crane steel rope - Google Patents
Safety protection device capable of preventing inclined pull of crane steel rope Download PDFInfo
- Publication number
- CN107879250B CN107879250B CN201711330647.0A CN201711330647A CN107879250B CN 107879250 B CN107879250 B CN 107879250B CN 201711330647 A CN201711330647 A CN 201711330647A CN 107879250 B CN107879250 B CN 107879250B
- Authority
- CN
- China
- Prior art keywords
- ring
- induction
- travel switch
- steel rope
- induction ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 20
- 239000010959 steel Substances 0.000 title claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 57
- 230000007704 transition Effects 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
- B66C13/085—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a safety protection device capable of preventing a crane steel rope from being pulled obliquely, which comprises a connecting ring, an induction ring, connecting springs, connecting strips, a transition rod, a touch rod, a travel switch and a control device, wherein the diameter of the connecting ring is larger than that of the induction ring, the induction ring is arranged below the connecting ring, the axis of the induction ring coincides with the axis of the connecting ring, the connecting ring is connected with the induction ring through the connecting springs, at least 3 connecting springs are arranged, the spacing between two adjacent connecting springs is equal, the upper end of the connecting strips is fixedly connected with the connecting ring, the lower end of the connecting strips is provided with the travel switch, the travel switch and the induction ring are in the same horizontal plane, one end of the transition rod is connected with the induction ring, the other end of the transition rod is in pin joint with one end of the touch rod, the other end of the touch rod is provided with a spherical ram, the spherical ram corresponds to a contact of the travel switch, and the control device is electrically connected with the travel switch.
Description
Technical Field
The invention belongs to the technical field of cranes, and particularly relates to a safety protection device capable of preventing a crane steel rope from being pulled obliquely.
Background
The crane which is used as a huge arm, an arc drawn in the air, a force and a beautiful symbol by people is necessary equipment for important equipment on the sea, the land and the air, aerospace and rescue and disaster resistance, is necessary equipment in the industrial production process, and has a stable and safe working process as to whether the production can be smoothly carried out.
According to the crane operation regulations, the inclined crane is not allowed to be pulled askew. However, due to the limitation of the cognitive level of operators and the convenience of greedy graphics, the lazy thought is often not carried out according to the regulation system, when the lifting point is lifted above the lifted object, the steel rope is lifted under the condition of being not vertical to the ground, so that accidents are easy to occur, equipment is damaged slightly, the personnel are injured seriously, and the normal operation of production is seriously affected.
Therefore, the research and development of the safety protection device capable of preventing the inclined crane from being pulled askew is very critical, and the safety protection device is stable in performance, safe and reliable and can avoid accidents.
Disclosure of Invention
The invention aims to provide a safety protection device capable of preventing a crane steel rope from being pulled askew to an inclined crane.
The invention aims at realizing the purposes by comprising a connecting ring, an induction ring, connecting springs, connecting strips, a transition rod, a touch rod, a travel switch and a control device, wherein the diameter of the connecting ring is larger than that of the induction ring, the induction ring is arranged below the connecting ring, the axis of the induction ring coincides with that of the connecting ring, the connecting rings are connected with the induction ring through the connecting springs, at least 3 connecting springs are arranged, the spacing between two adjacent connecting springs is equal, the upper end of the connecting strips is fixedly connected with the connecting ring, the lower end of the connecting strips is provided with the travel switch, the travel switch and the induction ring are in the same horizontal plane, one end of the transition rod is connected with the induction ring, the other end of the transition rod is in pin joint with one end of the touch rod, the other end of the touch rod is provided with a spherical collision head, the spherical collision head corresponds to a contact of the travel switch, and the control device is electrically connected with the travel switch.
The invention has the beneficial effects that: when the operation is detected to be abnormal, the steel rope drives the induction ring to displace by touching the induction ring, so that the induction ring drives the spherical collision head to touch the travel switch, and the crane and the alarm are controlled by the control device, thereby preventing the problem that the steel rope is askew to pull the inclined crane to operate according to the specification caused by human factors, effectively avoiding the safety production accident caused by misoperation and ensuring the smooth production; the multi-layer induction ring structure has the effect of enhancing the detection accuracy; the structure of the invention has the advantages of flexible and convenient use, rapid detection, convenient installation and maintenance, reliable performance, safety and stability.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
in the figure: the device comprises a 1-connecting ring, a 2-sensing ring, a 3-connecting spring, a 4-connecting slat, a 5-transition rod, a 6-touch rod, a 7-travel switch, an 8-guide tube and a 9-steel rope.
Detailed Description
The invention is further described below with reference to the accompanying drawings, without limiting the invention in any way, and any alterations or substitutions based on the teachings of the invention are intended to fall within the scope of the invention.
As shown in figure 1, the invention comprises a connecting ring 1, an induction ring 2, connecting springs 3, connecting strips 4, transition rods 5, a touch rod 6, a travel switch 7 and a control device, wherein the diameter of the connecting ring 1 is larger than that of the induction ring 2, the induction ring 2 is arranged below the connecting ring 1, the axis of the induction ring 2 coincides with that of the connecting ring 1, the connecting ring 1 and the induction ring 2 are connected through the connecting springs 3, at least 3 connecting springs 3 are arranged, the spacing between two adjacent connecting springs 3 is equal, the upper end of the connecting strips 4 is fixedly connected with the connecting ring 1, the lower end of the connecting strips is provided with the travel switch 7, the travel switch 7 and the induction ring 2 are in the same horizontal plane, one end of the transition rod 5 is connected with the induction ring 2, the other end of the transition rod 6 is in pin joint with one end of the touch rod 6, the other end of the touch rod 6 is provided with a spherical ram, the spherical ram corresponds to a contact of the travel switch 7, and the control device is electrically connected with the travel switch 7.
The induction ring 2 has a plurality of layers, a space is arranged between two adjacent induction rings, the plurality of layers of induction rings are connected through vertical rods, the connection ring 1 is connected with the induction ring at the uppermost layer in the plurality of layers of induction rings through the connection spring 3, and the transition rod 5 is connected with the induction ring at the lowermost layer in the plurality of layers of induction rings.
The number of the travel switches 7 is equal to that of the connecting springs 3.
The travel switch 7 and the corresponding connecting spring 3 are positioned on the same vertical plane.
The lower end of the connecting slat 4 is provided with a guide pipe 8 opposite to the travel switch 7, and the touch rod 6 passes through the guide pipe 8.
The transition rod 5 and the touch rod 6 are both horizontal.
The connecting lath 4 is inclined, and the lower end of the connecting lath 4 is far away from the induction ring 2.
The intelligent control device also comprises an alarm, and the alarm is electrically connected with the control device.
The alarm is a lamplight and/or sound alarm.
The working principle and the working process of the invention are as follows: firstly, according to the positions of a lifting appliance and a winding drum, the device is arranged in a section between a lower trolley frame of the winding drum of a crane and the lifting appliance, so that a steel rope 9 passes through an induction ring 2, and the steel rope 9 naturally sags due to the dead weight of a lifting hook; when the operation is not standard, the steel rope 9 touches the induction ring 2, so that the induction ring 2 is displaced, the induction ring 2 drives the transition rod 5 and the touch rod 6, the spherical collision head of the touch rod 6 props against the contact of the travel switch 7, a mechanical signal is converted into an electric signal, the electric signal is transmitted to the control device, the control device receives the electric signal to control the crane to work, and meanwhile, the alarm gives an alarm; when the lifting hook is adjusted to the correct position, the induction ring 2 returns to the original position, the contact of the travel switch 7 is separated from the spherical collision head of the touch rod 6, and the control device receives the electric signal to control the crane to work normally.
The invention has the advantages that: when the operation is detected to be abnormal, the steel rope drives the induction ring to displace by touching the induction ring, so that the induction ring drives the spherical collision head to touch the travel switch, and the crane and the alarm are controlled by the control device, thereby preventing the problem that the steel rope is askew to pull the inclined crane to operate according to the specification caused by human factors, effectively avoiding the safety production accident caused by misoperation and ensuring the smooth production; the multi-layer induction ring structure has the effect of enhancing the detection accuracy; the structure of the invention has the advantages of flexible and convenient use, rapid detection, convenient installation and maintenance, reliable performance, safety and stability.
Claims (6)
1. The safety protection device capable of preventing the crane steel rope from being pulled askew and obliquely hanging is characterized by comprising a connecting ring (1), an induction ring (2), a connecting spring (3), a connecting slat (4), a transition rod (5), a touch rod (6), a travel switch (7) and a control device; the diameter of the connecting ring (1) is larger than that of the induction ring (2), the induction ring (2) is arranged below the connecting ring (1), and the axis of the induction ring (2) is coincident with the axis of the connecting ring (1); the connecting ring (1) is connected with the induction ring (2) through connecting springs (3), at least 3 connecting springs (3) are arranged, and the intervals between two adjacent connecting springs (3) are equal; the upper end of the connecting slat (4) is fixedly connected with the connecting ring (1), the lower end of the connecting slat is provided with a travel switch (7), and the travel switch (7) and the induction ring (2) are positioned on the same horizontal plane; one end of the transition rod (5) is connected with the induction ring (2), the other end of the transition rod is in pin joint with one end of the touch rod (6), the transition rod (5) and the touch rod (6) are both in a horizontal shape, and a spherical collision head is arranged at the other end of the touch rod (6) and corresponds to a contact of the travel switch (7); the number of the travel switches (7) is equal to that of the connecting springs (3), and the travel switches (7) and the corresponding connecting springs (3) are positioned on the same vertical plane; the control device is electrically connected with the travel switch (7).
2. The safety protection device capable of preventing a crane steel rope from being pulled askew and obliquely hanging according to claim 1, wherein the induction rings (2) are provided with a plurality of layers, a space is arranged between two adjacent induction rings, the plurality of layers of induction rings are connected through vertical rods, the connecting ring (1) is connected with the induction ring at the uppermost layer in the plurality of layers of induction rings through a connecting spring (3), and the transition rod (5) is connected with the induction ring at the lowermost layer in the plurality of layers of induction rings.
3. Safety device capable of preventing a crane steel rope from being pulled askew to an inclined crane according to claim 1, characterized in that the lower end of the connecting slat (4) is provided with a guide tube (8) opposite to the travel switch (7), and the touching bar (6) passes through the guide tube (8).
4. Safety device capable of preventing a crane steel rope from being pulled askew to an inclined crane according to claim 1, characterized in that the connecting lath (4) is inclined, and the lower end of the connecting lath (4) is far away from the induction ring (2).
5. The safety device for preventing a crane steel rope from being pulled askew to an inclined crane according to claim 1, further comprising an alarm electrically connected with the control device.
6. The safety device for preventing a crane steel rope from being pulled askew to an inclined crane according to claim 5, wherein the alarm is a light and/or sound alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330647.0A CN107879250B (en) | 2017-12-13 | 2017-12-13 | Safety protection device capable of preventing inclined pull of crane steel rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330647.0A CN107879250B (en) | 2017-12-13 | 2017-12-13 | Safety protection device capable of preventing inclined pull of crane steel rope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107879250A CN107879250A (en) | 2018-04-06 |
| CN107879250B true CN107879250B (en) | 2024-04-05 |
Family
ID=61774257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711330647.0A Active CN107879250B (en) | 2017-12-13 | 2017-12-13 | Safety protection device capable of preventing inclined pull of crane steel rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107879250B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101062757A (en) * | 2006-04-24 | 2007-10-31 | 孙佩杰 | Electric hoist inclination-proof circuit breaking stopping means |
| CN201082847Y (en) * | 2007-07-19 | 2008-07-09 | 宝山钢铁股份有限公司 | Crane inclined hanging limitation device |
| CN203333226U (en) * | 2013-06-12 | 2013-12-11 | 鞍钢股份有限公司 | Electric hoist crane steel sling limiting device |
| CN203545509U (en) * | 2013-11-26 | 2014-04-16 | 山西太钢不锈钢股份有限公司 | On-line warning device for oblique lifting of crane |
| CN203807031U (en) * | 2014-05-07 | 2014-09-03 | 山西兰花科技创业股份有限公司 | Deviation-preventive protecting device for bridge crane |
| CN205061410U (en) * | 2015-10-10 | 2016-03-02 | 河南省特种设备安全检测研究院新乡分院 | Ring column crane is prevented askew drawing and is hung safety device to one side |
| CN207596338U (en) * | 2017-12-13 | 2018-07-10 | 云南昆钢重型装备制造集团有限公司 | It is a kind of to prevent crane steel cable is askew to skew the safety guard hung |
-
2017
- 2017-12-13 CN CN201711330647.0A patent/CN107879250B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101062757A (en) * | 2006-04-24 | 2007-10-31 | 孙佩杰 | Electric hoist inclination-proof circuit breaking stopping means |
| CN201082847Y (en) * | 2007-07-19 | 2008-07-09 | 宝山钢铁股份有限公司 | Crane inclined hanging limitation device |
| CN203333226U (en) * | 2013-06-12 | 2013-12-11 | 鞍钢股份有限公司 | Electric hoist crane steel sling limiting device |
| CN203545509U (en) * | 2013-11-26 | 2014-04-16 | 山西太钢不锈钢股份有限公司 | On-line warning device for oblique lifting of crane |
| CN203807031U (en) * | 2014-05-07 | 2014-09-03 | 山西兰花科技创业股份有限公司 | Deviation-preventive protecting device for bridge crane |
| CN205061410U (en) * | 2015-10-10 | 2016-03-02 | 河南省特种设备安全检测研究院新乡分院 | Ring column crane is prevented askew drawing and is hung safety device to one side |
| CN207596338U (en) * | 2017-12-13 | 2018-07-10 | 云南昆钢重型装备制造集团有限公司 | It is a kind of to prevent crane steel cable is askew to skew the safety guard hung |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107879250A (en) | 2018-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102785978A (en) | Method for real-time monitoring and control protection of hoisting rope of hoisting equipment | |
| CN108358136A (en) | Workbench anti-extrusion system, aerial work platform and control method | |
| CN102602816A (en) | Stroke double-insurance device for hook of bridge crane | |
| CN106946118A (en) | A kind of building hoist tape jam detection and the cable pulley system of automatic protection | |
| CN107879250B (en) | Safety protection device capable of preventing inclined pull of crane steel rope | |
| CN207596338U (en) | It is a kind of to prevent crane steel cable is askew to skew the safety guard hung | |
| CN208249834U (en) | Workbench anti-extrusion system and aerial work platform | |
| CN206705441U (en) | A kind of building hoist tape jam detection and the cable pulley system of automatic protection | |
| CN106395613B (en) | A kind of wire suspension hook | |
| CN202465086U (en) | Landing detector for outrigger of construction machine | |
| CN203806896U (en) | Whole-course safe device against slack rope | |
| CN203626222U (en) | Safety device of movable scaffold | |
| CN203319442U (en) | Rope breakage protection device of construction lift | |
| CN213141328U (en) | Hanging basket for mounting safety type outdoor high-rise building electrical appliances | |
| CN204251123U (en) | A kind of gig slack rope detection alarm device | |
| CN211310551U (en) | Lifting limiting device for crane hook | |
| CN204198211U (en) | Elevator lifting floor safety lock | |
| CN203865997U (en) | Hanging basket with lifting overload torque overload limiting function | |
| CN206863893U (en) | A kind of novel building fire automatic alarm device | |
| CN201808986U (en) | Safety device for preventing building hoist from falling | |
| CN209306856U (en) | Small-sized separation type electrical hoisting apparatus | |
| CN214243518U (en) | Warning device of tower crane | |
| CN205820726U (en) | A kind of anti-breaking device of gantry crane cable and automatic control system | |
| CN220845245U (en) | Anti-collision early warning device for tower crane cross operation | |
| CN209212181U (en) | Warning device is touched on dynamic catwalk cart |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |