CN202322216U - Safety mechanism of lifter - Google Patents
Safety mechanism of lifter Download PDFInfo
- Publication number
- CN202322216U CN202322216U CN2011204513272U CN201120451327U CN202322216U CN 202322216 U CN202322216 U CN 202322216U CN 2011204513272 U CN2011204513272 U CN 2011204513272U CN 201120451327 U CN201120451327 U CN 201120451327U CN 202322216 U CN202322216 U CN 202322216U
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- Prior art keywords
- safety
- steel cable
- hole
- safety lock
- safety mechanism
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Abstract
The utility model discloses a safety mechanism of a lifter, and belongs to the technical field of lifting apparatuses. The lifter comprises an upright post, a sliding table, a safety lock and a safety steel wire rope, wherein the safety mechanism comprises a safety plate, the upper end of the safety plate is arranged on the sliding table, the lower end of the safety plate becomes a free end matched with a stop block, and a limiting pin and a pin shaft are arranged on the safety plate; the safety lock is arranged on the pin shaft, the safety lock is provided with a limiting groove, and the limiting pin extends into the limiting groove; and the safety steel wire rope is fixed on the safety lock through a fixing screw. The safety mechanism is characterized in that: the fixing screw is provided with a steel wire rope through hole, the safety steel wire rope penetrates through the steel wire rope through hole and is provided with a steel wire rope dog, and a steel wire rope locking nut is arranged on the fixing screw. The safety mechanism has the advantages of ensuring reliable connection with the safety lock and ensuring the safety in use.
Description
Technical field
The utility model belongs to lifting apparatus technical field, is specifically related to a kind of safety mechanism of lifting machine
Background technology
above mentioned lifting machine representative type but be not limited to vehicle lifting to reasonable altitudes is used the equipment that working space is provided for the maintainer like automotive servicing industry being used for of being equipped with; Yet; In the use of lifting machine; Though tend to run into probability is not the situation very high but dangerous great coordination between unexpected power failure, motor damage, conduction chain fracture and parts is slipped up, therefore, and in order to prevent trouble before it happens; Usually except being equipped with safety mechanism, also dispose tripper; To this, can be referring to the emergency unlocking device of the disclosed lifting organizational security of Chinese invention patent application publication number CN102009925A danger mechanism, this patent application scheme can embody the 0006th section technique effect that is stated clearly of specification sheets.
Safety mechanism's safeguard 1, safety lock 2, insurance steel cable 3 and returning pull-spring 4 of comprising as shown in Figure 3 that
above-mentioned patent application discloses; The last end pivoting of safeguard 1 is arranged on the slide unit 5 of lifting machine; And the lower end of safeguard 1 constitutes free end, and matches with block 61 on the column that is distributed in the lifting machine 6, on safeguard 1 and towards a side of safety lock 2, has a locating dowel pin 11 and a bearing pin 12; Safety lock 2 is arranged on the bearing pin 12 rotationally; On this safety lock 2, offer a position-limited trough 21, position-limited trough 21 matches with locating dowel pin 11, and insurance steel cable 3 is solid on safety lock 3 through fix screw 31; Return is fixed on the safeguard 1 in an end of extension spring 4, and the other end then is fixed on the slide unit 5.When the operator spurs insurance steel cable 3; Safety lock 8 is rotated around bearing pin 12; Because locating dowel pin 11 probes in the position-limited trough 21, so safety lock 2 does motion in position-limited trough 21 scopes of arc shape at locating dowel pin 11 places, and then drives safeguard 1; The lower end that makes safeguard 1 is that aforesaid free end leaves the block 61 on the column 6, just slide unit 5 can move down and will be dropped to terrace reposefully by the object of lifting such as vehicle.
above-mentioned safety mechanism has following shortcoming: the one, and the anxiety that exists the fix screw 31 be used for fixing insurance steel cable 3 to come off from safety lock 2, thus make insurance steel cable 3 lose the location carrier, whole safety mechanism can't be used; The 2nd, the position that insurance steel cable 3 is connected with fix screw 31 exists the screw 31 that is fixed to gnaw disconnected anxiety; Because when fix screw 31 is positioned insurance steel cable 3 compressing for 3 last times of safety lock, with insurance steel cable 3 lockings (fixing), the base portion of fix screw 31 is prone to cause the injury to insurance steel cable 3 for reliably; Fix screw 31 is tightened; Infringement (damage) to insurance steel cable 3 is big more, so injured insurance steel cable 3 is in case pull the process cleaved the operator; The free end of so aforesaid safeguard 1 just comes back to the state that leans with block 61; Make the slide unit 5 can't be descending, be in vacant state by the object of lifting, can be accidents caused when serious.
In view of above-mentioned prior art, be necessary to improve, for this reason, the applicant has done useful design, and the technical scheme that will introduce below produces under this background
Summary of the invention
The task of
the utility model be to provide a kind of help to ensure insurance steel cable reliably be connected with safety lock and use avoid taking off, help stopping with the safety lock branch insurance steel cable with process that safety lock is connected in damaged and the safety mechanism that uses the lifting machine that embodies safety.
The task of
the utility model is accomplished like this; A kind of safety mechanism of lifting machine; Described lifting machine comprises column with block and the slide unit that moves up and down, and described safety mechanism comprises a safeguard, and the last end pivoting of this safeguard is arranged on the described slide unit; The lower end constitutes the free end that matches with said block, and safeguard is provided with a locating dowel pin and a bearing pin; One safety lock, this safety lock rotates and is arranged on the described bearing pin, and on this safety lock, offers a position-limited trough, and described locating dowel pin probes in the position-limited trough; One insurance steel cable; This insurance steel cable is fixed on the described safety lock through fix screw; Be characterised in that: on described fix screw, offer the steel rope through hole; Described insurance steel cable passes this steel rope through hole and is equipped with a steel wire rope clip, on fix screw, also is equipped with a Steel wire rope lock jack panel.
in one of the utility model concrete embodiment, the lower end of described safeguard and constitute a support angle towards a side of described column, this support angle matches with described block.
in another concrete embodiment of the utility model, described position-limited trough is a deep-slotted chip breaker.
in another concrete embodiment of the utility model, the shape of described safety lock is equilateral triangle or equicrural triangle.
offer a fixing screw hole on described safety lock in another concrete embodiment of the utility model, described fix screw is fixed on this fixing screw hole.
also have among the concrete embodiment the utility model, on described slide unit and be installed with one in the side corresponding to said safety lock and be used to stop safety lock to draw the backing pin of the end position of lower swing dragging of said insurance steel cable.
are at more and among concrete embodiment of the utility model; On described slide unit and at the position that leads to the passage of said safety lock corresponding to said insurance steel cable, be fixed with a guide bracket; On this guide bracket, offer a guide hole, described insurance steel cable passes this guide hole.
the utility model so that concrete embodiment in, be fixed with a handle at the end of said insurance steel cable.
the utility model again more and among concrete embodiment, on described fix screw, also be equipped with a captive nut.
are at again and then among concrete embodiment of the utility model; Described steel wire rope clip has one or a pair of eyelet hole; Described insurance steel cable is after passing described steel rope through hole and then pass eyelet hole, and will insure steel cable by the deformation of steel wire rope clip and be fixed in the eyelet hole.
The technical scheme that
the utility model provides is with respect to the advantage of prior art: penetrate behind the steel rope through hole that is opened on the fix screw and dispose steel wire rope clip owing to will insure steel cable; So, after fix screw is fixed on the safety lock, can ensure with the reliable of safety lock to be connected; Because jam nut will show plane contact when the matching and fixing screw will insure the steel cable clamping, therefore can not produce the situation that bites, the safety in guaranteeing to use to the insurance steel cable.
Description of drawings
Fig. 1 is the example structure figure of the utility model.
Fig. 2 is the application examples scheme drawing of the utility model.
Fig. 3 is the scheme drawing of the safety mechanism of the lifting machine in the prior art.
The specific embodiment
can be expressly understood the technical spirit and the beneficial effect of the utility model more for the inspector that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be regarded as the technical scheme category of the utility model.
see also Fig. 1, have provided the column 6 of lifting machine, on this column 6 and along the short transverse of column 6, are installed with block 61 at interval, and give slide unit 5 moving up and down.About the concrete structure of the principle that moves up and down of slide unit 5 and column 6 or claim that more detailed structure can be referring to the specification sheets of aforesaid application for a patent for invention publication No. CN102009925A, so the applicant no longer gives unnecessary details it.
The upper end of the safeguard 1 of the safety mechanism that
the utility model provides is through screw 14 and add a side of lower end that packing ring 141 is positioned at aforesaid slide unit 5 rotationally promptly near a side of column 6.More preferred scheme is: promptly the utility model scheme is on slide unit 5, to extend a fixing safeguard axle 53; And the axial central authorities at safeguard axle 53 offer a screw hole 531; The upper end of safeguard 1 is nested with on the safeguard axle 53 through the safeguard axis hole of offering in advance; Again screw 14 is added packing ring 141 and screw hole 531 location, avoid safeguard 1 on safeguard axle 53, to escape, and ensure that safeguard 1 rotates freely on safeguard axle 53.The lower end of safeguard 1 constitutes the free end that can swing, and the end face of this lower end constitutes the dip plane, constitutes a support angle 13 by this dip plane, and this support angle 13 is towards aforesaid column 6, and matches with block 61.Slide unit 5 is just no longer descending during when support angle 13 supports and in block 61, and vice versa.Constitute (a being fixed with) locating dowel pin 11 and a bearing pin 12 at safeguard 1 towards the surface of a side of the following safety lock of soon describing 2 again.
It both can be that equicrural triangle also can be the metal sheet of equilateral triangle (present embodiment promptly is) that
safety lock 2 is essentially one piece of shape; This safety lock 2 is arranged on the aforesaid bearing pin 12 rotationally; And on this safety lock 2, offer the position-limited trough 21 and a fixing screw hole 22 of a circular arc, aforesaid locating dowel pin 11 is stretched in the position-limited trough 21.
One end of
insurance steel cable 3 promptly is connected on the fixing screw hole 22 through fix screw 31 towards an end of safety lock 2, is that end is fixed with a handle 33 at the other end that insures steel cable 3.
The technical essential of the technical scheme that
provide as the utility model: on aforesaid fix screw 31, offer a steel rope through hole 311; And be equipped with a Steel wire rope lock jack panel 312 and a captive nut 313; Aforesaid insurance steel cable 3 disposes a steel wire rope clip 32 after an end of safety lock 2 passes steel rope through hole 311; On this steel wire rope clip 32, have one or a pair of (present embodiment is a pair of) eyelet hole 321; Insurance steel cable 3 is passing steel rope through hole 311 back and then is wearing and one of them eyelet hole 321 in a pair of eyelet hole 321; Because steel wire rope clip 32 can be out of shape under the effect of instrument such as hydraulic pressure utensil, just it is fixing by steel wire rope clip 32 reliably therefore when it is out of shape, will to insure the end of steel cable 3.Be threaded to after on the fixing screw hole 22 at aforesaid fix screw 31; Limit with captive nut 313, and by the end of Steel wire rope lock jack panel 312 matching and fixing screws 31 expand the screw cap of establishing (being illustrated as hexagonal screw cap) will insure steel cable 3 in the position of steel rope through hole 311 clamping reliably (promptly clamping) on fix screw 31.Because Steel wire rope lock jack panel 312 is through its surface (towards the surface of screw cap one side) insurance steel cable 3 to be clamped; Therefore not only clamp the power equilibrium; And can not resemble and chew insurance steel cable 3 prior art, thereby can fully ensure the safety of use.
and then, on the aforesaid slide unit 5 and insurance steel cable 3 lead to be installed with on the passage of safety lock 2 one have a guide hole 521 guide bracket 52, penetrate aforesaid steel rope through hole 311 again after insurance steel cable 3 passes this guide hole 521.Again and then, on slide unit 5 and at sidepiece, be fixed with a backing pin 51, the effect of the insurance steel cable 3 that is pulled by 51 pairs of this backing pins and cause the limit swing position of rotating safety lock 2 to carry out spacing corresponding to safety lock 2.That is to say that when the operator pulls insurance during steel cable 3, safety lock 2 is that center of gyration moves with bearing pin 12, when it moves to backing pin 51 and promptly collides with backing pin 51, just stop motion.
see also Fig. 2, when using the utility model, are held by the operator and to pinch handle 33, and insurance steel cable 3 is dragged towards operator's direction draw; Safety lock 2 motions this moment, and drive safeguard 1 motion, make the support angle 13 on the safeguard 1 leave block 61; Slide unit 5 releases and descending, otherwise, when the operator discharges insurance steel cable 3; Safeguard 1 resets under the deadweight effect so, and its support angle 13 is contacted with block 61, and slide unit 5 is locked.Certainly, also can resemble and be equipped with a returning pull-spring 4 (Fig. 3 shows) separately the CN102009925A.The content that the utility model does not reach is because of belonging to prior art, and is also promptly all open in CN102009925A, therefore exempts from repetition.
In a word, the technical scheme that the utility model provides has overcome the shortcoming in the prior art, has reached goal of the invention, has objectively embodied the technique effect described in the superincumbent technique effect hurdle, and can yet be regarded as is a ultimate attainment technical scheme
Claims (10)
1. the safety mechanism of
a kind of lifting machine; Described lifting machine comprises the have block column (6) of (61) and the slide unit (5) that moves up and down; Described safety mechanism comprises a safeguard (1); The last end pivoting of this safeguard (1) is arranged on the described slide unit (5), and the lower end constitutes the free end that matches with said block (61), and safeguard (1) is provided with a locating dowel pin (11) and a bearing pin (12); One safety lock (2), this safety lock (2) rotates and is arranged on the described bearing pin (12), and on this safety lock (2), offers a position-limited trough (21), and described locating dowel pin (11) probes in the position-limited trough (21); One insurance steel cable (3); This insurance steel cable (3) is fixed on the described safety lock (2) through fix screw (31); It is characterized in that: on described fix screw (31), offer steel rope through hole (311); Described insurance steel cable (3) passes this steel rope through hole (311) and is equipped with a steel wire rope clip (32), on fix screw (31), also is equipped with a Steel wire rope lock jack panel (312).
2. the safety mechanism of
lifting machine according to claim 1; It is characterized in that the lower end of described safeguard (1) and constitute a support angle (13) towards a side of described column (6), this support angle (13) matches with described block (61).
3. the safety mechanism of
lifting machine according to claim 1 is characterized in that described position-limited trough (21) is a deep-slotted chip breaker.
4. the safety mechanism of
lifting machine according to claim 1 is characterized in that the shape of described safety lock (2) is equilateral triangle or equicrural triangle.
5. the safety mechanism of
lifting machine according to claim 1 is characterized in that on described safety lock (2), offering a fixing screw hole (22), and described fix screw (31) is fixed on this fixing screw hole (22).
6. the safety mechanism of
lifting machine according to claim 1 is characterized in that on described slide unit (5) and is installed with one in the side corresponding to said safety lock (2) being used to stop the backing pin of dragging the end position that draw lower swing (51) of safety lock (2) at said insurance steel cable (3).
7. the safety mechanism of
lifting machine according to claim 1; It is characterized in that upward and at the position that leads to the passage of said safety lock (2) corresponding to said insurance steel cable (3) being fixed with a guide bracket (52) at described slide unit (5); On this guide bracket (52), offer a guide hole (521), described insurance steel cable (3) passes this guide hole (521).
8.
is characterized in that being fixed with a handle (33) at the end of said insurance steel cable (3) according to the safety mechanism of claim 1 or 6 or 7 described lifting machines.
9.
is characterized in that on described fix screw (31), also being equipped with a captive nut (313) according to the safety mechanism of claim 1 or 5 described lifting machines.
10.
The safety mechanism of lifting machine according to claim 1; It is characterized in that described steel wire rope clip (32) has one or a pair of eyelet hole (321); Described insurance steel cable (3) is passing described steel rope through hole (311) back and then is passing eyelet hole (321), and will insure steel cable (3) by the deformation of steel wire rope clip (32) and be fixed in the eyelet hole (321)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204513272U CN202322216U (en) | 2011-11-15 | 2011-11-15 | Safety mechanism of lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204513272U CN202322216U (en) | 2011-11-15 | 2011-11-15 | Safety mechanism of lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202322216U true CN202322216U (en) | 2012-07-11 |
Family
ID=46434206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204513272U Expired - Fee Related CN202322216U (en) | 2011-11-15 | 2011-11-15 | Safety mechanism of lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202322216U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491226A (en) * | 2011-11-15 | 2012-06-13 | 常熟通润汽车零部件股份有限公司 | Safety mechanism of hoist |
| CN105253813A (en) * | 2015-11-03 | 2016-01-20 | 赛埃孚汽车保修设备（太仓）有限公司 | Wear-resistant lifter sliding table |
-
2011
- 2011-11-15 CN CN2011204513272U patent/CN202322216U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491226A (en) * | 2011-11-15 | 2012-06-13 | 常熟通润汽车零部件股份有限公司 | Safety mechanism of hoist |
| CN105253813A (en) * | 2015-11-03 | 2016-01-20 | 赛埃孚汽车保修设备（太仓）有限公司 | Wear-resistant lifter sliding table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20141115 |
|
| EXPY | Termination of patent right or utility model |