CN209957255U - Alarm device for crown block steel wire rope groove-off - Google Patents
Alarm device for crown block steel wire rope groove-off Download PDFInfo
- Publication number
- CN209957255U CN209957255U CN201920485131.1U CN201920485131U CN209957255U CN 209957255 U CN209957255 U CN 209957255U CN 201920485131 U CN201920485131 U CN 201920485131U CN 209957255 U CN209957255 U CN 209957255U
- Authority
- CN
- China
- Prior art keywords
- pressure sensing
- shaft sleeve
- supporting shaft
- wire rope
- sensing device
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 244000287353 Crassocephalum crepidioides Species 0.000 claims abstract description 16
- 206010016322 Feeling abnormal Diseases 0.000 claims abstract description 16
- 241000145637 Lepturus Species 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000000454 anti-cipatory effect Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Emergency Alarm Devices (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The utility model relates to a crown block wire rope groove-releasing alarm device, including the supporting shaft sleeve fixed at the supporting shaft bottom of the fixed pulley, the pressure sensing device fixed on the two sides of the supporting shaft sleeve, the strain inductor arranged in the pressure sensing device, and the alarm connected with the signal output line of the strain inductor, one end of the pressure sensing device is thick, the other end is thin, the thick head of the pressure sensing device is matched with the supporting shaft sleeve in a fixed pressure-tight manner, the hanging lap joint of the thin tail part is fixed on the side plate, the signal output line of the strain inductor is also connected with the crown block control system; the supporting shaft sleeve comprises an annular shaft sleeve body arranged at the bottom of the supporting shaft, bosses arranged on two sides of the shaft sleeve body and extending outwards, the shaft sleeve body corresponds to the side end of a thick head of the pressure sensing device, and the bosses correspond to the bottom end of the thick head of the pressure sensing device. The device effectively avoids serious abrasion of the pulley support shaft and the steel wire rope, eliminates the hidden danger of fracture, and avoids the falling accident of the hanging object.
Description
Technical Field
This patent application belongs to hoist alarm device technical field, and more specifically says, relates to a overhead traveling crane wire rope anticipating device.
Background
The crown block is widely applied to the production field of industrial enterprises, is responsible for the hoisting and transportation work of goods, equipment and other articles, and has the characteristics of large working load, high operation frequency, large operation difficulty and the like. Especially under some specific complex working condition environments, such as high altitude, narrow, precise operation and other areas, remote control is mainly adopted to realize a man-machine separation working mode, the operation is remotely controlled by an operator of a crown block, when the swinging angle of a suspended object is too large or when a blind area exists in sight, the situations of inclined pulling, inclined lifting and the like easily occur, at the moment, a steel wire rope is in a non-uniform stress state, the steel wire rope is easily popped out from a fixed pulley wheel groove in the lifting process, and a groove-releasing accident occurs. If the steel wire rope is not found out in time, the hoisting weight is still continuously used, the fixed pulley supporting shaft is abraded and broken, or the steel wire rope is abraded and broken to cause the falling of the hoisting hook group and the hoisting weight, so that production and safety accidents are caused. At present, gaps exist between protection devices installed on crown block fixed pulley blocks and the outer edges of pulleys, certain abrasion deformation exists in the contact process of the protection devices and a steel wire rope, and when the gaps are larger than the diameter of the steel wire rope, the steel wire rope can possibly fall off, and finally serious consequences are caused. Therefore, a new technical method for solving the problem is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a crown block wire rope anticipating alarm device, can in time report to the police to the wire rope anticipating and stop handling work, effectively prevents the emergence of serious accident, has simple structure reliably, characteristics with strong points.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is:
a crown block steel wire rope groove-disengaging alarm device comprises a supporting shaft sleeve fixed at the bottom of a supporting shaft of a fixed pulley, pressure sensing devices fixed on two sides of the supporting shaft sleeve through fasteners, a strain sensor arranged in the pressure sensing devices, and an alarm connected with a signal output circuit of the strain sensor, wherein the pressure sensing devices are in an L shape with one thick head and the other thin head, the thick head of each pressure sensing device is fixedly matched with the supporting shaft sleeve in a pressure tight fit mode, the thin tail of each pressure sensing device is fixedly connected onto a side plate in a hanging and lap joint mode, and the signal output circuit of each strain sensor is also connected with a crown block control system; the supporting shaft sleeve comprises an annular shaft sleeve body arranged at the bottom of the supporting shaft, bosses arranged on two sides of the shaft sleeve body and extending outwards, the shaft sleeve body corresponds to the side end of a thick head of the pressure sensing device, and the bosses correspond to the bottom end of the thick head of the pressure sensing device.
The utility model discloses technical scheme's further improvement lies in: the coarse head of the pressure sensing device has a length 1/2-1/4 of the length of the elongated tail and a width 1/2-1/3 of the width of the elongated tail.
The utility model discloses technical scheme's further improvement lies in: the alarm is arranged in a crown block cab or below a crown block trolley and is a buzzer alarm.
The utility model discloses technical scheme's further improvement lies in: the fastener is a fixing bolt.
The utility model discloses technical scheme's further improvement lies in: the strain inductor is an arc or arc-shaped strain inductor, and one or more carbon nano tubes or graphene are included in the strain inductor.
The utility model discloses technical scheme's further improvement lies in: the support sleeve is a metal sleeve, such as a red copper support sleeve.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains is:
the utility model discloses a whether monitoring wire rope takes off the groove is come to reform transform the fixed pressure sensing device of supporting axle sleeve to send out-of-groove alarm signal to overhead traveling crane control system transmission, make overhead traveling crane hoisting mechanism running signal disconnection, unable action, alarm suggestion wire rope takes off the groove simultaneously, and effectual pulley back shaft and wire rope's serious wearing and tearing are avoided, eliminate the fracture hidden danger, avoid hanging the emergence of thing accident of falling.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a side view assembly schematic of the present invention;
FIG. 3 is a front view assembly schematic of the present invention;
fig. 4 is a schematic top view of the present invention;
wherein: 1. fastener, 2, support axle sleeve, 21, axle sleeve body, 22, boss, 3, signal output line, 4, pressure sensing device, 5, strain inductor, 6, support shaft, 7, curb plate.
Detailed Description
The present invention will be described in further detail with reference to examples.
The utility model discloses a crown block wire rope groove-releasing alarm device, refer to fig. 1-4, including the supporting axle sleeve 2 of fixing in the supporting axle 6 bottom of fixed pulley, the pressure sensing device 4 of fixing on supporting axle sleeve 2 both sides through fastener 1 symmetry, the strain inductor 5 of setting in pressure sensing device 4, the alarm of being connected with the signal output line 3 of strain inductor 5, pressure sensing device 4 is one thick and thick, another slender L type, thick head and supporting axle sleeve 2 fixed press fit, the unsettled overlap joint of slender afterbody of pressure sensing device 4 are fixed on curb plate 7, signal output line 3 of strain inductor 5 still is connected with crown block control system; the support sleeve 2 includes an annular sleeve body 21 disposed at the bottom of the support shaft 6, and bosses 22 disposed at both sides of the sleeve body 21 and extending outward, the sleeve body 21 corresponds to the side end of the thick head of the pressure sensing device 4, and the bosses 22 correspond to the bottom end of the thick head of the pressure sensing device 4.
The coarse head of the pressure sensing device 4 has a length 1/2-1/4 of the length of the elongated tail and a width 1/2-1/3 of the width of the elongated tail. The alarm is arranged in a crown block cab or below a crown block trolley and is a buzzer alarm. The fastener 1 is a fixing bolt. The strain sensor 5 is an arc-shaped or arc-shaped strain sensor 5, and one or more carbon nanotubes or graphene are included in the strain sensor 5. The support sleeve 2 is a metal sleeve, such as a red copper support sleeve 2.
As shown in fig. 1 and 2, the fixed pulley is fixed in the half-moon-shaped clamping groove through the supporting shaft 6 and the side plate 7 and fixed by the bolt, the supporting shaft sleeve 2 and the pressure sensing device 4 are fixed and fastened on the fixed pulley supporting shaft 6 through the fastener 1 (fixing bolt), and the pressure sensing device 4 extends out of the suspended tail to be lapped on the fixed side plate 7 of the pulley supporting shaft 6, so that the supporting point function of supporting the steel wire rope with the groove removed is achieved. When the steel wire rope falls off from the fixed pulley wheel groove, the steel wire rope can fall onto the device, abrasion of the pulley supporting shaft 6 is protected, and meanwhile, the pressure sensing device 4 deforms under stress.
As shown in fig. 3 and 4, when the pressure sensing device 4 is deformed due to stress, the internal strain sensor 5 receives the external pressure deformation to send out a signal, and the signal is output to the PCL control system of the overhead traveling crane and the external alarm through the signal output line 3, so that serious accidents are effectively avoided.
Claims (6)
1. The utility model provides a crown block wire rope anticipatory alarm device which characterized in that: the device comprises a supporting shaft sleeve (2) fixed at the bottom of a supporting shaft (6) of a fixed pulley, pressure sensing devices (4) fixed on two sides of the supporting shaft sleeve (2) through fasteners (1), a strain sensor (5) arranged in the pressure sensing devices (4), and an alarm connected with a signal output line (3) of the strain sensor (5), wherein the pressure sensing devices (4) are in an L shape with one thick head and the other thin head, the thick head of each pressure sensing device (4) is fixedly pressed and matched with the supporting shaft sleeve (2), the thin tail of each pressure sensing device is fixed on a side plate (7) in a hanging lap joint mode, and the signal output line (3) of each strain sensor (5) is further connected with an overhead crane control system; the supporting shaft sleeve (2) comprises an annular shaft sleeve body (21) arranged at the bottom of the supporting shaft (6) and bosses (22) arranged on two sides of the shaft sleeve body (21) and extending outwards, the shaft sleeve body (21) corresponds to the side end of a thick head of the pressure sensing device (4), and the bosses (22) correspond to the bottom end of the thick head of the pressure sensing device (4).
2. The overhead traveling crane steel wire rope groove-releasing alarm device according to claim 1, wherein: the thick head of the pressure sensing device (4) is 1/2-1/4 of the length of the elongated tail, and the width of the thick head is 1/2-1/3 of the width of the elongated tail.
3. The overhead traveling crane steel wire rope groove-releasing alarm device according to claim 2, wherein: the alarm is arranged in a crown block cab or below a crown block trolley and is a buzzer alarm.
4. The overhead traveling crane steel wire rope groove-releasing alarm device according to claim 3, wherein: the fastener (1) is a fixing bolt.
5. The overhead traveling crane steel wire rope groove-releasing alarm device according to claim 4, wherein: the strain inductor (5) is an arc-shaped or arc-shaped strain inductor (5).
6. The overhead traveling crane wire rope grooving alarm device according to any one of claims 1 to 5, wherein: the supporting shaft sleeve (2) is a metal shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485131.1U CN209957255U (en) | 2019-04-11 | 2019-04-11 | Alarm device for crown block steel wire rope groove-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485131.1U CN209957255U (en) | 2019-04-11 | 2019-04-11 | Alarm device for crown block steel wire rope groove-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209957255U true CN209957255U (en) | 2020-01-17 |
Family
ID=69241130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920485131.1U Expired - Fee Related CN209957255U (en) | 2019-04-11 | 2019-04-11 | Alarm device for crown block steel wire rope groove-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209957255U (en) |
-
2019
- 2019-04-11 CN CN201920485131.1U patent/CN209957255U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201250072Y (en) | Hoisting mechanism for cranes for metallurgy use | |
| CN108529456A (en) | A kind of novel tower crane moment safety control system and method | |
| CN209957255U (en) | Alarm device for crown block steel wire rope groove-off | |
| CN102030270B (en) | Auxiliary tool and method for replacing wire rope of bridge crane | |
| CN208327167U (en) | Novel tower crane moment safety control system | |
| CN104340864B (en) | A kind of hoisting crane and lifting mechanism thereof | |
| CN206033086U (en) | Novel electrical winch | |
| CN210418950U (en) | Safety anti-drop hook for metal wrapping tape | |
| CN201605087U (en) | Goods hoisting device | |
| CN105502164A (en) | Bridge crane crab with infrared alarm | |
| CN207061730U (en) | Possesses the hoist engine of suspension hook supervising device | |
| CN208308308U (en) | A kind of harbour container gantry crane | |
| CN215886080U (en) | Safety monitoring device for blast furnace construction hanging scaffold | |
| CN2244038Y (en) | Safety slings for lifting cyclic roll goods | |
| CN206814299U (en) | A kind of Minitype swing machine carried for material | |
| CN206345621U (en) | A kind of c-type structure double-brake electric hoist | |
| CN209618707U (en) | A kind of anti-towing system of gantry crane | |
| CN202754718U (en) | Large steel structural part pulley turnover device | |
| CN210824548U (en) | Car puller driving device | |
| CN208182480U (en) | A kind of Intelligent crane | |
| CN205076669U (en) | Screwed pipe safety lifting hook | |
| CN217230014U (en) | Electric single-beam suspension crane | |
| CN202785264U (en) | Combined crane lifting hook | |
| CN217650754U (en) | Tower crane remote detection device based on cloud platform | |
| CN216141143U (en) | Reverse rope winding detection and protection system of tower crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200117 |