Safety lock and catching device
Technical field
The utility model relates to the safety protection technique field of high-rise working, particularly relates to a kind of guide tracked catching device and safety lock thereof.
Background technology
As everyone knows; All relate to work high above the ground in the places such as petrochemical industry, electric power, engineering construction, boats and ships, communication, pharmacy, bridge; And work high above the ground is the high work of a kind of danger, and the catching device that therefore is used for preventing work high above the ground that falling accident takes place becomes necessary security safeguard procedures.
But the existing safety guarantee property of catching device in actual job is lower, and main cause is that guide tracked catching device fastens easily and lost efficacy, thereby has increased the probability of the contingency of causing danger, and problem such as be prone to cause casualties.
Summary of the invention
The technical problem that (one) will solve
The technical problem that the utility model will solve is, to above-mentioned defective, how a kind of safety lock and catching device is provided, and with the reduction probability of contingency of causing danger, thereby improves the safety guarantee property in the actual job.
(2) technical scheme
For solving the problems of the technologies described above; The utility model provides a kind of safety lock to comprise locator, first guide pillar and second guide pillar; Said first guide pillar and the second guide pillar parallel arranged; One end of said first guide pillar and second guide pillar has the first location concave station and the second location concave station that is complementary with the locator width, and said locator places on the first location concave station and the second location concave station, can slide along its length direction.
Wherein, said locator is provided with first groove that is complementary of side with the second location concave station.
Wherein, an end of the said locator and the second location concave station overlap joint is provided with second spring.
Wherein, One end of the said locator and the second location concave station overlap joint is provided with the 3rd groove of an opening along its length direction; Said second spring is positioned at the 3rd groove, and the length of said second spring is greater than the length of said the 3rd groove, and the one of which end props up the inwall of said the 3rd groove.
Wherein, said safety lock also comprises: the hand cap that is fixedly connected with said locator upper surface.
Wherein, said safety lock also comprises: have the stop of through hole, said stop be positioned at locator directly over, said hand cap runs through said through hole and is connected with locator.
Wherein, said through hole is that circular portion and Long Circle partly connect to form, and the diameter of said circular portion is greater than the width of said Long Circle part.
Wherein, said hand cap comprises hand cap bar, first spring and the hand cap that can hold the hollow of hand cap bar; Said hand cap comprises press section, connecting portion and first boss from top to bottom; Hand cap bar and locator upper surface are fixed, and said first spring and hand cap are enclosed within on the hand cap bar successively, and an end of said first spring is against the upper surface of locator, and the other end is against the lower surface of said first boss; The overall diameter of said connecting portion is less than the width of Long Circle part in the said through hole, and the overall diameter of said first boss is greater than the width of Long Circle part in the said through hole and less than the diameter of circular portion in the said through hole.
Wherein, said hand cap comprises second boss, is positioned at the below of said first boss, for the concentric hollow-core construction of said first boss, its external diameter is greater than the diameter of the circular portion in the said through hole.
A kind of catching device comprises left slider, right slide block and above-mentioned safety lock, and wherein, said safety lock is positioned at right slide block, and the same end through first guide pillar and second guide pillar is connected with the left slider vertical fixing; One side of said right slide block has the first guide pillar hole and the second guide pillar hole that can hold first guide pillar and second guide pillar respectively.
(3) beneficial effect
The utility model provides a kind of safety lock and catching device; For catching device is set up a kind of simple in structure, safe and reliable security lock arrangement; This safety lock has greatly improved the stability of catching device folding condition; Reduced because of the cause danger probability of contingency of operate miss, improved the security of work high above the ground.
Description of drawings
Fig. 1 is the structural representation of the spacing state of the utility model safety lock.
Fig. 2 is the utility model safety lock open mode structural representation.
Fig. 3 is the structural representation of the utility model catching device.
Fig. 4 is the locator polycrystalline substance sketch map of the utility model safety lock.
Fig. 5 is the structural representation of the hand cap of the utility model safety lock.
Among the figure: 1, hand cap; 2, stop; 3, locator; 4, through hole; 5, hand cap; 6, hand cap bar; 7, first spring; 8, first groove; 9, second spring; 10, first guide pillar; 11, second guide pillar; 12, the first guide pillar hole; 13, the second guide pillar hole; 14, left slider; 15, right slide block; 16, the first location concave station; 17, the second location concave station; 18, press section; 19, connecting portion; 20, first boss; 21, side; 22, second groove; 23, the 3rd groove; 24, second boss; 25, safety lock.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Shown in Fig. 1-3, the disclosed safety lock 25 of the utility model embodiment comprises: hand cap 1, stop 2, locator 3, first guide pillar 10 and second guide pillar 11.
Said stop 2 fixedly installs; Locator 3 be positioned at stop 2 under; This locator 3 can move on its length direction, has prepsetting gap between locator 3 and the stop 2, and the effect of this prepsetting gap is a resistance suffered when reducing 2 slips of locator 3 relative limit devices; First guide pillar 10 and second guide pillar, 11 parallel arranged; The one of which end has the first location concave station 16 and the second location concave station 17 that is complementary with locator 3 width; Locator 3 places the other end of the said first location concave station 16 and said second location concave station 17, the first guide pillars 10 and second guide pillar 11 to fixedly install.
Said stop 2 comprises the through hole 4 that is provided with along the length direction of stop 2, and the through hole 4 that hand cap 1 runs through stop 2 is fixedly connected with locator 3, forms an integral body, and hand cap 1 can slide by the length direction along stop 2 in through hole 4; Locator 3 comprises first groove 8 that is complementary of side 21 with the second location concave station 17; This groove 8 allows the side 21 of the said second location concave station 17 to penetrate; Shown in the bottom schematic view of locator among Fig. 43; The width of said first groove 8 is less than the width of locator 3, thereby the side 21 of having limited the said second location concave station 17 penetrates the position of groove 8, guarantees that second guide pillar 17 does not break away from locator 3 in the work.
Referring to Fig. 4; One end of the locator 3 and second location concave station 17 overlap joints is provided with the 3rd groove 23 of an opening along its length direction; The 3rd groove 23 inherent its length directions are provided with second spring 9; The length of this second spring 9 is greater than the length of said the 3rd groove 23, and the one of which end props up the inwall of said the 3rd groove 23.
Said stop through hole 4 is partly connected to form by circular portion and Long Circle, and the diameter of said circular portion is greater than the width of said Long Circle part, and said Long Circle partly is the guide rail that hand cap 1 slides.
Said stop 2 also comprises second groove 22, and this second groove 22 is positioned at the below of said through hole 4, and itself and stop 2 are wide, and length is greater than the length of said through hole 4.
As shown in Figure 5, said hand cap 1 is made up of hand cap bar 6, first spring 7 and the hand cap 5 that can hold the hollow of hand cap bar 6, and said hand cap 5 comprises press section 18, connecting portion 19 and first boss 20 from top to bottom; Wherein, The overall diameter of said press section 18 is less than the diameter of circular portion in the said through hole 4; The overall diameter of said connecting portion 19 is less than the width of Long Circle part in the said through hole 4, and the overall diameter of said first boss 20 is greater than the width of Long Circle part in the said through hole 4 and less than the diameter of circular portion in the said through hole 4.As shown in Figure 1; Hand cap bar 6 is fixedly connected to form an integral body with the upper surface of locator 3; Said first spring 7 is enclosed within on the hand cap bar 6 with hand cap 5 successively, and hand cap 5 runs through the upper surface that stop through hole 4, the first springs 7 one ends are against locator 3; The other end is against the lower surface of said first boss 20, its objective is: thus the jack-up hand cap 1 that is used for when said hand cap 1 overlaps with the circular portion of said through hole 4, making progress avoids said safety lock accident to open.Said hand cap 1 can also comprise second boss 24; It is positioned at the below of said first boss 20 and the top of first spring 7; For with the concentric hollow-core construction of said first boss 20, its external diameter is greater than the diameter of the circular portion in the said through hole 4, when hand cap 1 when circular portion in the said through hole 4 overlaps; Under the thrust of first spring 7; Said first boss 20 gets into the circular portion in the said through hole 4, and said second boss 24 does not get into the circular portion in the said through hole 4, guarantees not break away from when restoring force that hand cap 1 receives first spring 7 promotes stop 2.
As depicted in figs. 1 and 2; The length that locator 3 drops on the first location concave station 16 is equal to or less than the maximum displacement of hand cap 1 in stop through hole 4; For example the maximum displacement of hand cap in stop through hole 4 is 12mm, and the length that locator 3 drops on the first location concave station 16 is 10mm; The horizontal range of the central point of the central point of first groove 8 and the second location concave station 17 equals the maximum displacement that hand cap 1 slides in stop through hole 4.
As shown in Figure 3, the catching device of the utility model comprises left slider 14, right slide block 15 and above-mentioned safety lock 25.
Stop 2 in the above-mentioned safety lock 25 is fixed with right slide block 15; The upper surface of the upper surface of stop 2 and right slide block 15 is in same plane; Locator 3 be positioned at stop 2 under, locator 3 is located at the inside of right slide block 15, this locator 3 can move on its length direction; First guide pillar 10 and second guide pillar 11 are provided with the first location concave station 16 and second and locate placement positioning device 3 on the end of concave station 17, the other end and left slider 14 vertical fixing; One side of right slide block 15 has the first guide pillar hole 12 and the second guide pillar hole 13 that can hold first guide pillar 10 and second guide pillar 11 respectively.
Preferably, first guide pillar 10 and second guide pillar 11 are cylinder, and the first guide pillar hole 16 and the second guide pillar hole 17 are circular hole, and locator first groove 8 is a circular arc.
All parts in the utility model have local all chamferings of corner angle, and purpose is a resistance suffered when reducing between each parts motion each other.
Realize the locking and the release principle of catching device folding condition:
1, the locking state of catching device: with reference to Fig. 1 and Fig. 3, safety lock 25 just has been initially located in spacing state, and catching device is in closure state.First guide pillar 10 and second guide pillar 11 lay respectively in the first guide pillar hole 12 and the second guide pillar hole 13, and locator 3 places the first location concave station 16 and second to locate above the concave station 17; Hand cap 1 is in spacing state; This moment, hand cap 1 overlapped with the circular portion of through hole 4; First boss 20 of hand cap 1 gets into the circular portion of said through hole 4, and second boss 24 is below the circular portion of said through hole, because the width of the Long Circle of stop through hole 4 part is less than the external diameter of first boss 20; Make and when hand cap 1 is not pressed, can not in through hole 4, not slide, guarantee the locking state under the catching device closure.
2, the releasing process of catching device: impel the hand cap to compress first spring 7 downwards through pushing hand cap press section 18, promote hand cap 1 simultaneously and in through hole 4, slide into maximum displacement, like the arrow direction indication among Fig. 1; Second spring 9 is compressed; Locator 3 breaks away from the first location concave station 16, and this moment, the second location concave station 17 of first groove 8 and second guide pillar 11 was relative, because first groove 8 allows the side 21 of the second location concave station 17 to pass through; Manually spur the left and right sides slide block of catching device; Second guide pillar, 11 edges, first groove 8 moves to the extreme position of this recess width, and this moment, first guide pillar 10 and second guide pillar 11 broke away from the first guide pillar hole 12 and the second guide pillar hole 13 respectively, and catching device left and right sides slide block is opened; Safety lock is in open state; Like Fig. 2, accomplished release to catching device, can be installed in catching device on the corresponding guide rail or removal catching device from the guide rail this moment according to the operation needs.
3, the catching device process of locking again: when needing closed catching device; The left and right sides slide block of catching device in the merging is under the cooperatively interacting of first groove 8 and the second location concave station 17, simultaneously in the promotion that receives second spring, 9 restoring forces; Locator is got back to initial spacing state; Again engage with the first location concave station 16 of first guide pillar 10, hand cap 1 is replied original spacing state, and left and right sides slide block is positioned again; Safety lock 25 pins catching device again, can prevent that the staff from falling because of accidents such as operate misses.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and replacement, these improvement and replacement also should be regarded as the protection domain of the utility model.