CN202305204U - Labor-saving device for no-load action test of hand chain hoist - Google Patents
Labor-saving device for no-load action test of hand chain hoist Download PDFInfo
- Publication number
- CN202305204U CN202305204U CN2011204301264U CN201120430126U CN202305204U CN 202305204 U CN202305204 U CN 202305204U CN 2011204301264 U CN2011204301264 U CN 2011204301264U CN 201120430126 U CN201120430126 U CN 201120430126U CN 202305204 U CN202305204 U CN 202305204U
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- semi
- girder
- saving device
- chain block
- driving wheel
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Abstract
The utility model discloses a labor-saving device for a no-load action test of a hand chain hoist. The labor-saving device comprises a base, a vertical frame and a controller, wherein a first cantilever beam, a second cantilever beam, a third cantilever beam and a fourth cantilever beam are arranged on the vertical frame from top to bottom in sequence, and the four cantilever beams are arranged in the same vertical plane. The labor-saving device is characterized in that an electric hoist is arranged below the first cantilever beam; two sides of the second cantilever beam are provided with a pair of first guide mechanisms; a power mechanism is arranged above the third cantilever beam; and two sides of the fourth cantilever beam are provided with a pair of second guide mechanisms. The labor-saving device provided by the utility model has the following characteristics: 1) a suspension point of the hand chain hoist is arranged on a lifting hook of the electric hoist, the position of the lifting hook can be adjusted upwards and downwards, so that the hand chain hoist can be taken and placed conveniently; 2) a driving wheel can be replaced with a chain wheel or a friction wheel according to the size of the friction force required by the hand chain hoist; 3) the structure is relatively simple, the manufacturing cost is relatively low, the processing consistency is good, and thus the labor-saving device is suitable for mass production.
Description
Technical field
The utility model relates to a kind of test unit, relates in particular to a kind of chain block no-load action test unit, specifically a kind of work-saving device of implementing chain block no-load action test.Whether specifically by this work-saving device, alternative manual mode spurs the chain that pulls of chain block repeatedly, still meet the requirements with this no-load action test of testing chain block.
Background technology
Chain block is a kind of hand crane tool simple, easy to carry that uses, and mainly is made up of hoisting chain, manual chain, detent and suspension hook, is applicable to up-down goods and hanging device.
For guaranteeing the in proper working order of chain block; Braking is reliable, should carry out no-load action test, is about to chain block and is suspended on the support; Under no load state, pull chain with the reciprocal pulling of manual methods; Whether suspension hook is risen and descend each once, it is flexible to test each mechanical operation, tight phenomenon generation when whether jam and Shi Song are arranged.Traditional no-load action test is to pull chain by the reciprocal pulling of operating personnel to detect.This mode causes inefficiency, labour intensity big, operating personnel's clothing and all can be infected with the greasy dirt of chain on hand, and the occupational health environment is poor.For this reason, seek a kind ofly to save time, the labour-saving mechanical hook-up changes high strength for a long time, inefficient chain block no-load action test method is very necessary.
Summary of the invention
For overcoming present testing crew chain block is carried out the existing the problems referred to above of no-load action test, aimed to provide a kind of efficient, reasonable, low intensive chain block no-load action test work-saving device.
For addressing the above problem; The utility model adopts following technical scheme: chain block no-load action test work-saving device; Comprise base, stand and controller; Be provided with first semi-girder, second semi-girder, the 3rd semi-girder in the described stand from top to bottom successively) and the 4th semi-girder, described four semi-girders place in the same perpendicular; It is characterized in that:
Described first semi-girder below is provided with electric block;
The both sides of second semi-girder of stating are provided with a pair of first guiding mechanism;
Described the 3rd semi-girder top is provided with actuating unit, and described actuating unit comprises from the lining outwards coaxial successively motor, riser and the topworks that is arranged on the 3rd semi-girder top; Described topworks comprises driving wheel and two cover snap-in force governor motions, described driving wheel) be sprocket wheel or friction pulley, described two cover degree of tightness governor motions are arranged symmetrically in the left and right sides of described driving wheel, and are positioned at same plane with driving wheel; Every cover snap-in force governor motion comprises engaged wheel, fixed frame, activity box, spring, screw rod, sleeve, handwheel and pivot pin; Described engaged wheel is a friction pulley; And be arranged on the inside of said activity box; Described activity box places the inside of said fixed frame, and said fixed frame places on the described riser; The same position place, both sides, front and back of said fixed frame opens and respectively is provided with an elongate slots, and the pivot pin that is connected in engaged wheel passes described elongate slots; Said fixed frame offers a circular hole away from a side of driving wheel; Described screw rod one end is fixed on the side of said activity box away from driving wheel; The other end passes the circular hole of said fixed frame; Described spring and sleeve are sleeved on the described screw rod successively, and said screw rod stretches out a side of sleeve and screws with handwheel;
The both sides of described the 4th semi-girder are provided with a pair of second guiding mechanism.
The work-saving device of the utility model has following characteristics:
1) hitch point with chain block is arranged on the suspension hook of electric block, and the suspension hook upper-lower position is adjustable, makes things convenient for picking and placeing of chain block;
2) driving wheel is sprocket wheel or friction pulley according to the big or small replaceable of the required friction force of chain block chain;
3) structure is comparatively simple, and manufacturing cost is relatively low, and the processing high conformity is fit to produce in enormous quantities.
According to the utility model, described driving wheel is sprocket wheel or the friction pulley that the outer ring is provided with groove, and described engaged wheel is the friction pulley that the outer ring is provided with groove.This structure can be better positions the chain that pulls of chain block both sides, makes it in process of the test, keep stable stroke.
According to the utility model, described first guiding mechanism and second guiding mechanism can be a pair of polished rods that can freely rotate, and best surfaces is a friction material.The embodiment of an optimization is: described guiding mechanism comprises a pair of polished rod, and said each polished rod comprises an interior bar and a sleeve pipe that is sleeved on the said interior bar, and described sleeve pipe can rotate around interior bar.Pulling chain moves up and down in a pair of polished rod.Described sleeve pipe preferred rubber or nylon material promptly can guarantee sleeve pipe and pull chain to have certain stiction, make only to produce between the two to roll and fricton-tight, and the while can reduce the wearing and tearing of sleeve pipe adversary zip strip again.
According to the utility model, the described end, comprise rubber panel and metal base plate.Rubber bottom plate can reduce the chain block chain and streak the noise that base produces, and alleviates the damage to metab.The metal base plate bottom is provided with 4 castors, realizes the motion of the fixing and any direction of package unit position.
According to the utility model, described controller is telepilot or control box.When controller adopted the control box structure, described control box can be arranged in base or the stand.When adopting latter's structure, described control box is arranged between first semi-girder and second semi-girder, and is connected in the described stand through a support, and described support two ends are coupling with described stand and control box respectively.Support can rotate around stand, and control box can rotate around support.According to the difference of operating personnel standing place, can control box be turned to the position of handled easily.
Description of drawings
Fig. 1 is the structural representation of the utility model work-saving device.
Fig. 2 is the axonometric drawing of the actuating unit of the utility model.
Fig. 3 is the structural representation of the actuating unit of the utility model.
Fig. 4 is the structural representation of the utility model second cantilever and guiding mechanism.
Embodiment
With reference to accompanying drawing; The chain block no-load action test work-saving device of the utility model; Comprise base 12, stand 3 and control box 5; Be provided with first semi-girder 1, second semi-girder 6, the 3rd semi-girder 9 and the 4th semi-girder 10 in the described stand 3 from top to bottom successively, described four semi-girders place in the same perpendicular.
Described first semi-girder 1 below is electric block cover 2 fixedly, and electric block cover 2 inside are provided with electric block.Electric block cover bottom surface has a square orifice 14, and the suspension hook 13 of electric block can pass from square orifice, is connected with the hook of bottle gouard moved by hands.
The both sides of described second semi-girder 6 are provided with a pair of first guiding mechanism 7; Described first guiding mechanism 7 comprises a pair of polished rod; Said each polished rod comprises an interior bar 701 and a sleeve pipe 702 that is sleeved on the said interior bar 701, and described sleeve pipe 702 adopts, and can rotate around interior bar 701.
Described the 3rd semi-girder 9 tops are provided with actuating unit 8, and described actuating unit 8 comprises from the lining outwards coaxial successively motor 801, riser 302 and the topworks that is arranged on the 3rd semi-girder 9 tops, and motor 801 is provided with motor cover 815; Motor 801 is connected through the circular hole 816 at riser center with topworks.Motor provides power to topworks.
Described topworks comprises driving wheel 812 and two cover snap-in force governor motions; Described driving wheel 812 is provided with the sprocket wheel or the friction pulley of groove for the outer ring; Described two cover degree of tightness governor motions are arranged symmetrically in the left and right sides of described driving wheel 812, and are positioned at same plane with driving wheel 812; Every cover snap-in force governor motion comprises engaged wheel 803, fixed frame 813, activity box 814, spring 807, screw rod 808, sleeve 806, handwheel 805 and pivot pin 810; Described engaged wheel 803 is provided with the friction pulley of groove for the outer ring; And be arranged on the inside of said activity box 814; Described activity box 814 places the inside of said fixed frame 813, and said fixed frame 813 places on the described riser 802; The same position place, both sides, front and back of said fixed frame 813 opens and respectively is provided with an elongate slots 809, and the pivot pin 810 that is connected in engaged wheel passes described elongate slots 809; Said fixed frame 813 offers a circular hole 804 away from a side of driving wheel 812; Described screw rod 808 1 ends are fixed on the side of said activity box 814 away from driving wheel; The other end passes the circular hole 804 of said fixed frame; Described spring 807 is sleeved on the described screw rod 804 with sleeve 806 successively, and said screw rod 804 stretches out a side of sleeve and screws with handwheel 805.Through turn handwheel 805, the direction of motion of control engaged wheel 803, thereby the snap-in force between control engaged wheel 803 and the driving wheel 812.Spring 807 between sleeve 806 and the screw rod 808 is right-angled intersection to adjacent two pitch chain bars and connects the snap-in force difference cause and finely tune in real time.
The both sides of described the 4th semi-girder 10 are provided with a pair of second guiding mechanism 11.Described second guiding mechanism 11 is identical with the structure of first guiding mechanism 7.
Described control box 5 is arranged between first semi-girder 1 and second semi-girder 6, and is connected in the described stand 3 through a support 4, and described support 4 two ends are coupling with control box 5 with described stand 3 respectively.Support 4 can rotate around stand 3, and control box 5 can rotate around support 4.According to the difference of operating personnel standing place, can control box 5 be turned to the position of handled easily.
For reduce the wearing and tearing of device to chain as far as possible, the mechanism that directly contacts with chain in the utility model comprises friction pulley, goes up the polished rod in the lower guide mechanism, and the top layer is all made by rubber or nylon material.
The process of the test of the utility model is following:
1) suspension hook of control electric block moves downward correct position, and the hook of chain block is hung on the suspension hook of electric block, starts electric block again, and its suspension hook drives chain block and moves to outstanding the first arm Liang1Chu;
2) both sides of chain block are pulled chain successively through between the groove of last guiding mechanism 7, driving wheel 812 and engaged wheel 803 and lower guide mechanism 11;
The handwheel 805 of 3) turn snap-in force governor motion makes to pull chain and both received certain snap-in force, obtains the friction force that it is suitable that chain moves up and down, and can not answer snap-in force too big and hinder the motion of chain again;
4) switch on the start-up control case 5 makes motor 801 work, drives driving wheel 812 and rotates, and a side chain bar moves downward under function of friction, and opposite side pulls chain and then moves upward, and realizes moving up and down of chain.
What should be understood that is: the foregoing description is just to the explanation of the utility model, rather than to the restriction of the utility model, any utility model that does not exceed in the utility model connotation scope is created, and all falls within the protection domain of the utility model.
Claims (8)
1. work-saving device is tested in the action of chain block no-load; Comprise base (12), stand (3) and controller; Be provided with first semi-girder (1), second semi-girder (6), the 3rd semi-girder (9) and the 4th semi-girder (10) in the described stand (3) from top to bottom successively, described four semi-girders place in the same perpendicular; It is characterized in that:
Described first semi-girder (1) below is provided with electric block;
The both sides of described second semi-girder (6) are provided with a pair of first guiding mechanism (7);
Described the 3rd semi-girder (9) top is provided with actuating unit (8), and described actuating unit (8) comprises from the lining outwards coaxial successively motor (801), riser (302) and the topworks that is arranged on the 3rd semi-girder (9) top; Described topworks comprises driving wheel (812) and two cover snap-in force governor motions; Described driving wheel (812) is sprocket wheel or friction pulley; Described two cover degree of tightness governor motions are arranged symmetrically in the left and right sides of described driving wheel (812), and are positioned at same plane with driving wheel (812); Every cover snap-in force governor motion comprises engaged wheel (803), fixed frame (813), activity box (814), spring (807), screw rod (808), sleeve (806), handwheel (805) and pivot pin (810); Described engaged wheel (803) is a friction pulley; And be arranged on the inside of said activity box (814); Described activity box (814) places the inside of said fixed frame (813), and said fixed frame (813) places on the described riser (802); The same position place, both sides, front and back of said fixed frame (813) opens and respectively is provided with an elongate slots (809), and the pivot pin (810) that is connected in engaged wheel passes described elongate slots (809); Said fixed frame (813) offers a circular hole (804) away from a side of driving wheel (812); Described screw rod (808) one ends are fixed on the side of said activity box (814) away from driving wheel; The other end passes the circular hole (804) of said fixed frame; Described spring (807) and sleeve (806) are sleeved on the described screw rod (804) successively, and said screw rod (804) stretches out a side of sleeve and screws with handwheel (805);
The both sides of described the 4th semi-girder (10) are provided with a pair of second guiding mechanism (11).
2. chain block no-load action test work-saving device as claimed in claim 1 is characterized in that described driving wheel (812) is provided with the sprocket wheel or the friction pulley of groove for the outer ring.
3. chain block no-load action test work-saving device as claimed in claim 1 is characterized in that described engaged wheel (803) is provided with the friction pulley of groove for the outer ring.
4. chain block no-load action test work-saving device as claimed in claim 1; It is characterized in that described first guiding mechanism (7) and second guiding mechanism (11) comprise a pair of polished rod; Said each polished rod comprises an interior bar (701) and a sleeve pipe (702) that is sleeved on the said interior bar (701); Described sleeve pipe (702) adopts friction material, and can rotate around interior bar (701).
5. chain block no-load action test work-saving device as claimed in claim 1 is characterized in that described base (12) comprises rubber panel (1201) and metal base plate (1202), and described metal base plate (1202) bottom is provided with castor (1203).
6. like any one described chain block no-load action test work-saving device of claim 1-5, it is characterized in that described controller is telepilot or control box (5).
7. chain block no-load action test work-saving device as claimed in claim 6 is characterized in that described control box (5) is arranged in the described stand (3).
8. chain block no-load action test work-saving device as claimed in claim 8; It is characterized in that described control box (5) is arranged between first semi-girder (1) and second semi-girder (6); And be connected in the described stand (3) through a support (4), described support (4) two ends are coupling with described stand (3) and control box (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204301264U CN202305204U (en) | 2011-11-03 | 2011-11-03 | Labor-saving device for no-load action test of hand chain hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204301264U CN202305204U (en) | 2011-11-03 | 2011-11-03 | Labor-saving device for no-load action test of hand chain hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305204U true CN202305204U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204301264U Withdrawn - After Issue CN202305204U (en) | 2011-11-03 | 2011-11-03 | Labor-saving device for no-load action test of hand chain hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305204U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393297A (en) * | 2011-11-03 | 2012-03-28 | 浙江华电器材检测研究所 | Labor-saving device for carrying out hand chain hoist no-load action test |
| CN103308269A (en) * | 2013-05-16 | 2013-09-18 | 国家电网公司 | Drop test extracting and locking machine |
| CN104215373A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Motor torque testing device and motor torque testing method |
| CN104625565A (en) * | 2015-01-27 | 2015-05-20 | 宁波宏大电梯有限公司 | Method for replacing lift car bottom guide wheel of elevator without machine room |
-
2011
- 2011-11-03 CN CN2011204301264U patent/CN202305204U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393297A (en) * | 2011-11-03 | 2012-03-28 | 浙江华电器材检测研究所 | Labor-saving device for carrying out hand chain hoist no-load action test |
| CN102393297B (en) * | 2011-11-03 | 2013-12-18 | 浙江华电器材检测研究所 | Labor-saving device for carrying out hand chain hoist no-load action test |
| CN103308269A (en) * | 2013-05-16 | 2013-09-18 | 国家电网公司 | Drop test extracting and locking machine |
| CN103308269B (en) * | 2013-05-16 | 2015-07-29 | 国家电网公司 | Drop shutter test carries lock machine |
| CN104215373A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Motor torque testing device and motor torque testing method |
| CN104625565A (en) * | 2015-01-27 | 2015-05-20 | 宁波宏大电梯有限公司 | Method for replacing lift car bottom guide wheel of elevator without machine room |
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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: 20120704 Effective date of abandoning: 20131218 |
|
| RGAV | Abandon patent right to avoid regrant |