CN202897857U - Overload and load-loss protecting device - Google Patents
Overload and load-loss protecting device Download PDFInfo
- Publication number
- CN202897857U CN202897857U CN 201220550727 CN201220550727U CN202897857U CN 202897857 U CN202897857 U CN 202897857U CN 201220550727 CN201220550727 CN 201220550727 CN 201220550727 U CN201220550727 U CN 201220550727U CN 202897857 U CN202897857 U CN 202897857U
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- Prior art keywords
- overload
- cylindrical shell
- contact
- load
- lifting
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Abstract
The utility model discloses an overload and load-loss protecting device. The overload and load-loss protecting device comprises a contact guide rod, a barrel body, a liner barrel, a coupling shaft and a guide plate, wherein the liner barrel is arranged in the barrel body; a spring is arranged in the liner barrel, with the upper end arranged against a gland nut; the gland nut is arranged on the barrel body by means of screw joint; the lower end of the coupling shaft is fixedly connected with the liner barrel while the upper end of the coupling shaft is fixedly connected with a lug; an upper hanger shaft and a supporting plate are arranged on the lug; the contact guide rod parallel to the barrel body is arranged on the supporting plate; the contact guide rod is guided by a hole in the guide plate which is arranged on the barrel body; an upper contact and a lower contact are arranged on the contact guide rod; and an upper travel switch and a lower travel switch are arranged on the barrel body. By adopting the overload and load-loss protecting device, the load of lifting and hoisting mechanical equipment can be limited, and the lifting and hoisting mechanical equipment can run at a normal working load, so that the necessary loss on the equipment and personnel caused by the lifting and hoisting mechanical equipment at an overload or load-loss circumstance can be avoided.
Description
Technical field
The utility model belongs to overload and loses year protection field, particularly a kind of overload and lose a year fender guard.
Background technology
A fender guard is carried in overload and mistake, is mainly used in the lifting lifting class mechanical equipment, and be the indispensable safety fender guard of lifting lifting class mechanical equipment.This device is by the working load of restriction lifting lifting class mechanical equipment, lifting lifting class mechanical equipment is worked under normal working load, thereby reach the running of working normally of effective assurance lifting lifting class mechanical equipment, avoided lifting lifting class mechanical equipment in overload and lose in year situation equipment and personnel etc. is caused unnecessary loss.According to the knowledge of the applicant; the application load lifting limiter that on the Vehicles Collected from Market there is lifting lifting class mechanical equipment limits load; load lifting limiter has only limited the overload situations of lifting lifting class mechanical equipment; but the protection of losing the situation of carrying for lifting lifting class mechanical equipment does not relate to; Given this, a kind of overload and a mistake year fender guard that possesses safety protection function of exploitation is very necessary.
The utility model content
The purpose of this utility model is to provide a kind of load that limits lifting lifting class mechanical equipment; lifting lifting class mechanical equipment is worked under normal working load, avoid lifting to lift by crane the class mechanical equipment and transshipping and losing in the situation of carrying equipment and personnel etc. is caused the overload of unnecessary loss and loses a year fender guard.
The technical solution that realizes the utility model purpose is:
A fender guard is carried in a kind of overload and mistake, it comprises contact point guiding bar, cylindrical shell, internal container cylinder, coupling spindle, spring, gland nut, support plate, upper hanging axis, hanger, guide plate, wherein internal container cylinder is installed in inner barrel, spring is installed in the internal container cylinder, the spring upper end offsets with gland nut, and gland nut is installed on the cylindrical shell by thread connection; Captiveing joint with internal container cylinder in the coupling spindle lower end, captives joint with hanger in the upper end; Hanging axis and support plate are installed on the hanger; The contact point guiding bar parallel with cylindrical shell is installed on the support plate, and the hole of contact point guiding bar on the guide plate is as guiding, and guide plate is installed on the cylindrical shell, and upper contact and lower contact are installed on the contact point guiding bar, and upper stroke switch, lower stroke switch are installed on the cylindrical shell.
The utility model compared with prior art, its remarkable advantage:
1, the utlity model has overload and mistake year two kinds of functions, for lifting lifting class mechanical equipment has increased safety protection function.
2, the utility model can produce deformation in conjunction with spring according to certain rules under the power effect, makes displacement and load form one-to-one relationship, thereby realizes load is played the effect of restriction.
3, the utility model adopts the mode that physical construction combines with electric controling switch, can realize the automatically effect of control.
4, overload of the present utility model and lose to carry the fender guard characteristics such as ripe, easy to adjust, safe and reliable that possess skills.
5, overload of the present utility model and a mistake year fender guard have been avoided lifting lifting class mechanical equipment in overload and have been lost in year situation equipment and personnel etc. is caused unnecessary loss.
6, overload of the present utility model and a mistake year fender guard related components all can adopt conventional manufacturing process to be realized.
7, a fender guard is carried in overload of the present utility model and mistake, can be applied in the lifting lifting class mechanical equipment.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is Facad structure cutaway view of the present utility model.
Fig. 2 is construction profile schematic diagram of the present utility model.
The specific embodiment
As shown in Figure 1, 2:
A fender guard is carried in a kind of overload of the utility model and mistake, it comprises contact point guiding bar 2, cylindrical shell 3, internal container cylinder 4, coupling spindle 5, spring 6, gland nut 7, support plate 8, upper hanging axis 9, hanger 10, guide plate 11, wherein internal container cylinder 4 is installed in cylindrical shell 3 inside, spring 6 is installed in the internal container cylinder 4, spring 6 upper ends and gland nut 7 offset, and gland nut 7 is installed on the cylindrical shell 3 by thread connection; Captiveing joint with internal container cylinder 4 in coupling spindle 5 lower ends, captives joint with hanger 10 in the upper end; Hanging axis 9 and support plate 8 are installed on the hanger 10; The contact point guiding bar 2 parallel with cylindrical shell 3 is installed on the support plate 8, the hole of contact point guiding bar 2 on the guide plate 11 is as guiding, guide plate 11 is installed on the cylindrical shell 3, and upper contact 13 and lower contact 15 are installed on the contact point guiding bar 2, and upper stroke switch 12, lower stroke switch 14 are installed on the cylindrical shell 3.Wherein, spring 6 can be coil spring, belleville spring, or is the elastic element that produces according to certain rules deformation under the effect of power of other types.One end of upper contact 13 and lower contact 15 is made the structure with certain guiding.
Principle of work of the present utility model is:
A fender guard is carried in a kind of overload and mistake, and internal container cylinder 4 is installed in cylindrical shell 3 inside, and spring 6 is installed in the internal container cylinder 4, and spring 6 upper ends and gland nut 7 offset, and gland nut 7 is installed on the cylindrical shell 3 by thread connection; Captiveing joint with internal container cylinder 4 in coupling spindle 5 lower ends, captives joint with hanger 10 in the upper end; Hanging axis 9 and support plate 8 are installed on the hanger 10; The contact point guiding bar 2 parallel with cylindrical shell 3 is installed on the support plate 8, the hole of contact point guiding bar 2 on the guide plate 11 is as guiding, guide plate 11 is installed on the cylindrical shell 3, and upper contact 13 and lower contact 15 are installed on the contact point guiding bar 2, and upper stroke switch 12, lower stroke switch 14 are installed on the cylindrical shell 3.Overload and the adjustment of losing year fender guard, this adjustment overload are adjusted and are lost and carry adjustment, at first will transship and lose the upper hanging axis 9 that carries fender guard and be connected on the fixed equipment.
Overload is adjusted and protection:
At first will transship and lose the upper hanging axis 9 and the lower hanging axis 1 that carry fender guard is installed on the lifting lifting machinery equipment reliably; then install test load additional at lifting lifting machinery equipment; make test load surpass the weight (ordinary test load is 1.1 times of working load) of nominal operation load; adjust upper contact 13 this moment makes it to move up and down along contact point guiding bar 2; adjust simultaneously upper stroke switch 12; this state guarantees that upper stroke switch 12 is touched; overload is adjusted to the right place, adopts holding screw location upper contact 13.Work under overload, upper stroke switch 12 is touched, and passes the signal along to electric control system, makes lifting lifting machinery equipment be in stopped status, avoids reaching overload protection function because overload damages the lifting lifting appliance.
Lose to carry and adjust and protection:
At first will transship and lose the upper hanging axis 9 and the lower hanging axis 1 that carry fender guard is installed on the lifting lifting machinery equipment reliably; guarantee that the lifting lifting appliance is in the state of carrying that loses fully; and the workplatform of lifting lifting appliance drops on the ground fully or is stopped on the platform, and hoisting wirerope is in relaxed state.Adjust lower contact 15 this moment makes it to move up and down along contact point guiding bar 2, adjusts simultaneously lower stroke switch 14, and this state guarantees that lower stroke switch 14 is touched, and loses to carry and adjusts to the right place, adopts holding screw location lower contact 15.Losing under the state of carrying, lower stroke switch 14 is touched, and passes the signal along to electric control system, makes lifting lifting machinery equipment be in stopped status, thereby avoids hoisting system to work on, and reaches to lose to carry defencive function.
Embodiment 1: a fender guard is carried in a kind of overload and mistake, it comprises contact point guiding bar 2, cylindrical shell 3, internal container cylinder 4, coupling spindle 5, coil spring 6, gland nut 7, support plate 8, upper hanging axis 9, hanger 10, guide plate 11, wherein internal container cylinder 4 is installed in cylindrical shell 3 inside, coil spring 6 is installed in the internal container cylinder 4, coil spring 6 upper ends and gland nut 7 offset, and gland nut 7 is installed on the cylindrical shell 3 by thread connection; Captiveing joint with internal container cylinder 4 in coupling spindle 5 lower ends, captives joint with hanger 10 in the upper end; Hanging axis 9 and support plate 8 are installed on the hanger 10; The contact point guiding bar 2 parallel with cylindrical shell 3 is installed on the support plate 8, the hole of contact point guiding bar 2 on the guide plate 11 is as guiding, guide plate 11 is installed on the cylindrical shell 3, and upper contact 13 and lower contact 15 are installed on the contact point guiding bar 2, and upper stroke switch 12, lower stroke switch 14 are installed on the cylindrical shell 3.
Embodiment 2: a fender guard is carried in a kind of overload and mistake, it comprises contact point guiding bar 2, cylindrical shell 3, internal container cylinder 4, coupling spindle 5, belleville spring 6, gland nut 7, support plate 8, upper hanging axis 9, hanger 10, guide plate 11, wherein internal container cylinder 4 is installed in cylindrical shell 3 inside, belleville spring 6 is installed in the internal container cylinder 4, belleville spring 6 upper ends and gland nut 7 offset, and gland nut 7 is installed on the cylindrical shell 3 by thread connection; Captiveing joint with internal container cylinder 4 in coupling spindle 5 lower ends, captives joint with hanger 10 in the upper end; Hanging axis 9 and support plate 8 are installed on the hanger 10; The contact point guiding bar 2 parallel with cylindrical shell 3 is installed on the support plate 8, the hole of contact point guiding bar 2 on the guide plate 11 is as guiding, guide plate 11 is installed on the cylindrical shell 3, and upper contact 13 and lower contact 15 are installed on the contact point guiding bar 2, and upper stroke switch 12, lower stroke switch 14 are installed on the cylindrical shell 3.
Claims (3)
1. one kind transships and a mistake year fender guard, it is characterized in that, it comprises contact point guiding bar (2), cylindrical shell (3), internal container cylinder (4), coupling spindle (5), spring (6), gland nut (7), support plate (8), upper hanging axis (9), hanger (10), guide plate (11), wherein internal container cylinder (4) is installed in cylindrical shell (3) inside, spring (6) is installed in the internal container cylinder (4), spring (6) upper end offsets with gland nut (7), and gland nut (7) is installed on the cylindrical shell (3) by thread connection; Captiveing joint with internal container cylinder (4) in coupling spindle (5) lower end, captives joint with hanger (10) in the upper end; Hanging axis (9) and support plate (8) are installed on the hanger (10); The contact point guiding bar (2) parallel with cylindrical shell (3) is installed on the support plate (8), the hole of contact point guiding bar (2) on the guide plate (11) is guiding, guide plate (11) is installed on the cylindrical shell (3), upper contact (13) and lower contact (15) are installed on the contact point guiding bar (2), and upper stroke switch (12), lower stroke switch (14) are installed on the cylindrical shell (3).
2. carry a fender guard by overload and the mistake of claim 1, it is characterized in that, spring (6) is coil spring, belleville spring, or is the elastic element that produces according to certain rules deformation under the effect of power of other types.
3. carry a fender guard by overload and the mistake of claim 1, it is characterized in that, an end of upper contact (13) and lower contact (15) is made the structure with certain guiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550727 CN202897857U (en) | 2012-10-25 | 2012-10-25 | Overload and load-loss protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550727 CN202897857U (en) | 2012-10-25 | 2012-10-25 | Overload and load-loss protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202897857U true CN202897857U (en) | 2013-04-24 |
Family
ID=48118551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220550727 Expired - Lifetime CN202897857U (en) | 2012-10-25 | 2012-10-25 | Overload and load-loss protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202897857U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291212A (en) * | 2014-10-31 | 2015-01-21 | 安徽江淮汽车股份有限公司 | Overload alarming device for lifting appliance |
| CN104401880A (en) * | 2014-11-20 | 2015-03-11 | 润邦卡哥特科工业有限公司 | Spring-pull-rod-type mechanical load protecting device |
| CN106144985A (en) * | 2016-08-24 | 2016-11-23 | 宁夏共享机床辅机有限公司 | A kind of automatic stereowarehouse overload protective device |
| CN109586247A (en) * | 2018-11-20 | 2019-04-05 | 中国航发贵州黎阳航空动力有限公司 | A kind of bearing axial clearance testing machine pressure overload protection device |
-
2012
- 2012-10-25 CN CN 201220550727 patent/CN202897857U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291212A (en) * | 2014-10-31 | 2015-01-21 | 安徽江淮汽车股份有限公司 | Overload alarming device for lifting appliance |
| CN104401880A (en) * | 2014-11-20 | 2015-03-11 | 润邦卡哥特科工业有限公司 | Spring-pull-rod-type mechanical load protecting device |
| CN106144985A (en) * | 2016-08-24 | 2016-11-23 | 宁夏共享机床辅机有限公司 | A kind of automatic stereowarehouse overload protective device |
| CN109586247A (en) * | 2018-11-20 | 2019-04-05 | 中国航发贵州黎阳航空动力有限公司 | A kind of bearing axial clearance testing machine pressure overload protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |