CN201296623Y - Multifunctional weight safe device - Google Patents
Multifunctional weight safe device Download PDFInfo
- Publication number
- CN201296623Y CN201296623Y CNU2008202163287U CN200820216328U CN201296623Y CN 201296623 Y CN201296623 Y CN 201296623Y CN U2008202163287 U CNU2008202163287 U CN U2008202163287U CN 200820216328 U CN200820216328 U CN 200820216328U CN 201296623 Y CN201296623 Y CN 201296623Y
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- China
- Prior art keywords
- base plate
- loam cake
- disposed
- lever
- screw rod
- 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 - Lifetime
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Abstract
The utility model relates to a multifunctional weight safe device mainly used in safety protection for material elevator such as derrick and portal frame, which comprises a hanger (1), a top cover (2), a shield (3), a connection rod (4), a base plate (5), a pull rod (6), a movable plate (7) and a main spring (8); which is characterized in that: a support rod (9) is disposed on the base plate (5); a lever (10) is disposed on the top of the support rod (9); a fine adjustment screw I (11) is disposed on the top of one side of the lever (10), a returning spring I (12) is disposed on the top of the other end of the lever (10), and a stroke switch I (13) is disposed on the lower end of the lever (10); a push rod (15) passes through a returning spring II (14) and the base plate (5), a stroke switch II (16) is disposed on the push rod (15); a fine adjustment screw III (18) is disposed on the top cover (2) passing through the top cover (2) and extending from the plane of the top cover (2); a stroke switch III (17) is disposed on the lower end of the fine adjustment screw III (18), and the stroke switch III (17) is also fixed on the movable plate (7) at the same time. The device in the utility model combines the overload stopper, upper limit stopper and the lower limit stopper into one piece, achieves the advantages of compact, convenient using, safe and reliable.
Description
(1) technical field
The utility model relates to the gig limiting device, is specifically related to a kind of Multifunction weight safety device, is mainly used in the safety precaution of material elevators such as derrick, portal frame.Belong to the weight-lifting equipment safety gear.
(2) background technology
Gig belongs to the hoisting crane classification, and it forms support body as external application elevator, tower crane by standard knot or gauge member, form transmission device by assembly pulley and steel rope, mix winch again and be used as power, make cage lifting in support body of loaded material, finish whole work of hoisting crane.As vertical transport equipment, the various places site operation generally uses, and the safety performance of its use also receives much concern.
CN2441786Y has announced a kind of crane safety limiting device, is the limes superiors limiting device, stops continue to rise when crane rises near the extreme higher position, prevents that cage from rushing to summit, and has ensured construction safety.This kind crane safety limiting device only can play the effect that prevents that cage from rushing to summit, but when cage weight is overweight, can't play safing effect.And material stretches out outside the cage and is stopped by support body in cage in the descending process of cage, and when perhaps coming downwards to ground, hoisting force changes, and this moment, winch continued downward movement, and the steel rope meeting overrelaxation on the winch easily produces the disorder cable phenomenon, causes potential safety hazard.Address the above problem as need, need reinstall overload limiting device and smallest limit limiting device, cause and use inconvenience.
(3) summary of the invention
The utility model is to overcome above-mentioned deficiency, and a kind of compact conformation, esy to use, safe and reliable is provided, and collection overload limiting device, limes superiors limiting device and smallest limit limiting device are one, can prevent the Multifunction weight safety device that the winch lifting rope is lax.
The purpose of this utility model is achieved in that a kind of Multifunction weight safety device, comprise hanger, loam cake, guard shield, pipe link, base plate, pull bar, shifting board, main spring, the top of described limiting device is loam cake, described hanger is arranged on the top end face middle part of loam cake, described pull bar is arranged under the loam cake bottom face, described pull bar is the T type, described shifting board, main spring and base plate are sleeved on the described pull bar T type montant from top to bottom successively, described pipe link passes loam cake from top to bottom successively, shifting board and base plate, two ends are fixed, described loam cake and base plate are outside equipped with guard shield, it is characterized in that: described base plate is provided with cramp bar, described cramp bar top is provided with lever, the one side upper end of described lever is provided with fine setting screw rod I, the opposite side upper end of described lever, the shifting board lower end is connected with pull back spring I, the lower end is provided with travel switches I
Also be provided with T type push rod on the described base plate, described T type push rod montant passes pull back spring II and base plate and stretches out the base plate lower plane, and described push rod upper end is provided with travel switches I I,
Described loam cake is provided with fine setting screw rod III, and described fine setting screw rod III montant passes pull back spring III and loam cake and stretches out and covers the plane, and described fine setting screw rod III lower end is provided with travel switches I II, and described travel switches I II is fixed on the shifting board.
The utility model Multifunction weight safety device is characterized in that described fine setting screw rod III places loam cake bottom part to be set with pull back spring III.
The utility model Multifunction weight safety device is characterized in that described T type push rod bottom is lifted with weight.
The utility model Multifunction weight safety device, collection overload limiting device, limes superiors limiting device and smallest limit limiting device are one, compact conformation, esy to use, safe and reliable, its principle of work:
Overload limiting device part, when total lifting weight was no more than the setting value of safety, pull back spring I withstood lever, and lever is rotated counterclockwise, the open contact closure of travel switches I, the rising circuit of connection winch control circuit, bird cage rises; When promoting the setting value that total amount surpasses safety, it is big that safety pull bar holding capacity becomes, the deflection of main spring increases, and pull bar drives the downward displacement of shifting board and increases, and fine setting screw rod I activation lever clockwise rotates around the twisted point of cramp bar, pull back spring I compression, travel switch resets, and the open contact in the switch separates, and cuts off riser circuit in the winch control circuit, winch shuts down, and realizes the purpose of restriction lifting capacity.
Limes superiors limiting device part, weight has been hung in the push rod bottom, and when cage normally moved, push rod moved under the effect of weight, and the normally closed contact of travel switch is connected winch ascent direction circuit; When the certain altitude that drives to of cage, weight is held at the cage top, and the effect of weight disappears, and under the effect of pull back spring II, the normally closed contact of travel switch is thrown off, and cuts off winch control rising circuit, and cage stops to rise, and avoids cage to rush to summit.
Smallest limit limiting device part, when cage normally moved, under the effect of pulling force, main spring compressive deformation, shifting board drove travel switches I II to bottom offset, and the normally closed contact of travel switch is connected winch descent direction circuit; Material stretches out outside the cage and is stopped by support body in cage in the descending process of cage, when perhaps coming downwards to ground, the power that pull bar bears is near position zero, main spring resets into free state, shifting board drives on the travel switches I II and moves, and fine setting screw rod III withstands the contact of travel switches I II, and normally closed contact separates, cut off the control circuit of winch descent direction, make winch stop the operation of descent direction.Can prevent winch lifting rope overrelaxation and produce disorder cable.
(4) description of drawings
Fig. 1 is the utility model Multifunction weight safety device framework scheme drawing
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is that the K of Fig. 2 is to scheme drawing.
Fig. 4 cuts open birds-eye view for the A-A of Fig. 3.
Fig. 5 is that the L of Fig. 2 is to scheme drawing.
Among the figure: hanger 1, loam cake 2, guard shield 3, pipe link 4, base plate 5, pull bar 6, shifting board 7, main spring 8, cramp bar 9, lever 10, fine setting screw rod I11, pull back spring I12, travel switches I 13, pull back spring II14, push rod 15, travel switches I I16, travel switches I II17, fine setting screw rod III18, pull back spring III19.
(5) specific embodiment
Referring to Fig. 1, the utility model Multifunction weight safety device, comprise hanger 1, loam cake 2, guard shield 3, pipe link 4, base plate 5, pull bar 6, shifting board 7, main spring 8, the top of described limiting device is loam cake 2, described hanger 1 is arranged on the top end face middle part of loam cake 2, described pull bar 6 is arranged under loam cake 2 bottom faces, described pull bar 6 is the T type, described shifting board 7, main spring 8 and base plate 5 are sleeved on the described pull bar 6T type montant from top to bottom successively, described pipe link 4 passes loam cake 2 from top to bottom successively, shifting board 7 and base plate 5, two ends are fixed, and described loam cake 2 is outside equipped with guard shield 3 with base plate 5.
Described base plate 5 is provided with cramp bar 9, described cramp bar 9 tops are provided with lever 10, the one side upper end of described lever 10 is provided with fine setting screw rod I11, and the opposite side upper end of described lever 10, shifting board 7 lower ends are connected with pull back spring I12, the lower end is provided with travel switches I 13.
Also be provided with T type push rod 15 on the described base plate 5, described T type push rod 15 montants pass pull back spring II14 and base plate 5 and stretch out base plate 5 lower planes, stretch out on push rod 15 montants of base plate 5 lower planes and be lifted with weight, described push rod 15 upper ends are provided with travel switches I I16
Described loam cake 2 is provided with fine setting screw rod III18, described fine setting screw rod III18 montant passes pull back spring III19 and loam cake 2 and stretches out plane on the loam cake 2, described fine setting screw rod III18 lower end is provided with travel switches I II17, and described travel switches I II17 is fixed on the shifting board 7.
Claims (3)
1, a kind of Multifunction weight safety device, comprise hanger (1), loam cake (2), guard shield (3), pipe link (4), base plate (5), pull bar (6), shifting board (7), main spring (8), the top of described limiting device is loam cake (2), described hanger (1) is arranged on the top end face middle part of loam cake (2), described pull bar (6) is arranged under loam cake (2) bottom face, described pull bar (6) is the T type, described shifting board (7), main spring (8) and base plate (5) are sleeved on described pull bar (6) the T type montant from top to bottom successively, described pipe link (4) passes loam cake (2) from top to bottom successively, shifting board (7) and base plate (5), two ends are fixed, described loam cake (2) is outside equipped with guard shield (3) with base plate (5), it is characterized in that: described base plate (5) is provided with cramp bar (9), described cramp bar (9) top is provided with lever (10), the one side upper end of described lever (10) is provided with fine setting screw rod I (11), the opposite side upper end of described lever (10), shifting board (7) lower end is connected with pull back spring I (12), the lower end is provided with travel switches I (13)
Also be provided with T type push rod (15) on the described base plate (5), described T type push rod (15) montant passes pull back spring II (14) and base plate (5) and stretches out base plate (5) lower plane, and described push rod (15) upper end is provided with travel switches I I (16),
Described loam cake (2) is provided with fine setting screw rod III (18), described fine setting screw rod III (18) montant passes loam cake (2) and stretches out loam cake (2) and go up the plane, described fine setting screw rod III (18) lower end is provided with travel switches I II (17), and described travel switches I II (17) is fixed on the shifting board (7).
2, Multifunction weight safety device according to claim 1 is characterized in that described fine setting screw rod III (18) places loam cake (2) bottom part to be set with pull back spring III (19).
3, Multifunction weight safety device according to claim 2 is characterized in that described T type push rod (15) bottom is lifted with weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202163287U CN201296623Y (en) | 2008-10-30 | 2008-10-30 | Multifunctional weight safe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202163287U CN201296623Y (en) | 2008-10-30 | 2008-10-30 | Multifunctional weight safe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201296623Y true CN201296623Y (en) | 2009-08-26 |
Family
ID=41042594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202163287U Expired - Lifetime CN201296623Y (en) | 2008-10-30 | 2008-10-30 | Multifunctional weight safe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201296623Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402439B (en) * | 2008-10-30 | 2011-04-13 | 江阴市星联建筑机械厂 | Multifunctional weight safety device |
| CN102627211A (en) * | 2012-04-23 | 2012-08-08 | 江苏金土木建设集团华顺工程有限公司 | Lifting overweight protection device for hoister |
-
2008
- 2008-10-30 CN CNU2008202163287U patent/CN201296623Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402439B (en) * | 2008-10-30 | 2011-04-13 | 江阴市星联建筑机械厂 | Multifunctional weight safety device |
| CN102627211A (en) * | 2012-04-23 | 2012-08-08 | 江苏金土木建设集团华顺工程有限公司 | Lifting overweight protection device for hoister |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090826 Effective date of abandoning: 20081030 |