CN113044689A - Detacher for elevator safety component test - Google Patents
Detacher for elevator safety component test Download PDFInfo
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- CN113044689A CN113044689A CN202110254799.7A CN202110254799A CN113044689A CN 113044689 A CN113044689 A CN 113044689A CN 202110254799 A CN202110254799 A CN 202110254799A CN 113044689 A CN113044689 A CN 113044689A
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009781 safety test method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
- B66B5/0093—Testing of safety devices
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention provides a detacher for testing elevator safety components, which comprises a lifting hole plate, two side baffles, a weight lifting plate, a lifting hook, a disengaging stop lever, a push rod pushing unit and a counterweight unit. The invention is arranged between the tractor hook and the lift car hook, the unhooking stop lever and the lift hook form a lower lifting hole which can be controlled to open and close, and the lower lifting hole of the unhooking device is controlled to open remotely, so that the tractor hook and the lift car top lifting hook can be quickly separated, the test process of the elevator safety part is optimized, the test accuracy and safety are increased, and the invention has important significance for improving the precision of test data.
Description
Technical Field
The invention belongs to the field of equipment for elevator safety testing, and particularly relates to a detacher for elevator safety component testing.
Background
With the rapid development of economy and the continuous promotion of urbanization, the demand of an elevator as an important transportation vehicle increases geometrically, the safety problem of the elevator is increasingly highlighted, the elevator is particularly important as a safety component for guaranteeing the safety of the elevator, the performance of the safety component of the elevator is a key, and the judgment needs to be carried out through a type test.
The test of elevator safety part needs professional test tower just can go on, and the top of test tower is arranged in to the hauler, and hauler wire rope is connected with the lifting hook on the girder steel of car top through the couple, is pulling the car and is following the guide rail direction and reciprocate. When an elevator safety component test is carried out, the lift car needs to be driven to rise by the traction machine, then the hook is disconnected with the lifting hook of the lift car, the lift car freely falls and drives the safety component to act to achieve the effect of braking and decelerating, and data such as speed, displacement, deceleration and the like of the action of the safety component are detected through a sensor on the lift car.
If the hook of the traction machine is directly connected with the lifting hook of the car, the arc-shaped hook is almost impossible to be disengaged, so that the traction steel wire rope and the car are required to fall simultaneously, and if the rotation speed of the traction machine is reduced, the deceleration of the car is influenced, and the test result is interfered; moreover, the above work increases the burden on the hoisting machine, and the performance of the hoisting machine is more required, and there are unsafe factors.
If the structure of the hook or the lifting hook is changed, if the hook and the lifting hook can be separated by manual contact operation, potential safety hazards exist in the process of up-and-down operation of the lift car, and great danger exists on personal safety at the moment of separation.
Disclosure of Invention
In view of this, the present invention provides a detacher for testing an elevator safety component, which specifically comprises:
the detacher for testing the elevator safety component comprises a lifting hole plate, two side baffles, a weight lifting plate, a lifting hook, a detaching stop lever, a push rod pushing unit and a counterweight unit;
the lifting hole plate and the lifting hook are respectively fixed at the top and the bottom between the two side baffles, and the lifting hole plate and the two side baffles form a normally closed upper lifting hole together;
the lifting hook is integrally L-shaped, the upper part of the longitudinal section of the lifting hook is fixed on the left side of the bottom between the two side baffles, the lower part of the longitudinal section and the transverse section are positioned below the lower end edges of the two side baffles, and the transverse section integrally extends towards the right side; the upper part and the middle part of the unhooking stop rod are arranged between the two side baffles, the middle part is rotationally connected with the two side baffles through a connecting shaft, the lower part is positioned below the lower end edges of the two side baffles, and when the unhooking stop rod can rotate to the state that the lower part is tightly attached to the end face of the right end of the transverse section of the lifting hook;
the left part and the middle part of the heavy block hanging plate are arranged between the two side baffle plates, the middle part of the heavy block hanging plate is rotationally connected with the two side baffle plates through a pin shaft, and the right part of the heavy block hanging plate is connected with a counterweight unit; the lower end face of the left part of the heavy block hanging plate is provided with a locking groove matched with the top end of the upper part of the unhooking stop lever, the top end of the left part is provided with a lock tongue pin of which the head can elastically extend and retract along the axis direction, a lock tongue limiting surface and a boss part are also arranged between the two side baffle plates, the boss part is provided with a horizontally through ejector rod through hole, the right part of the ejector rod penetrates through the ejector rod through hole in a sliding manner, the left part of the ejector rod is connected with an ejector rod pushing unit, and the ejector rod can be integrally pushed to the; when the lower part of the unhooking blocking rod is attached to the right end face of the transverse section of the lifting hook, the top end of the upper part of the unhooking blocking rod is embedded into and clamped by the locking groove of the heavy block hanging plate, the spring bolt limiting face is attached to the outer side face of the head part, extending out of the limiting spring bolt pin, of the spring bolt limiting face, and the top end of the right part of the ejector rod is attached to the top end face of the head part of the spring bolt pin in.
The upper end face of the horizontal section of the lifting hook forms a smooth curved surface which is obliquely extended towards the lower right from the intersection of the left side and the vertical section to the intersection of the right end face of the right end and the horizontal section.
The opening position of the locking groove is close to the middle part of the heavy block hanging plate.
The middle part of the ejector rod is also provided with a limiting stop shoulder which is matched with and limited by the left side surface of the boss part.
The whole U type that is of lewis hole board comprises left side vertical section, middle horizontal segment and the vertical section in right side, and left side vertical section, the vertical section in right side stretch into the top between two side shields downwards respectively and fix mutually through the welding to utilize the upper end edge of two side shields to seal U type mouth opening, thereby form the upper portion lewis hole of normal close.
The bottom end face right side portion of the vertical section of the left side of the lifting hole plate forms a horizontal lock tongue limiting face, and the bottom end face left side portion of the vertical section of the left side protrudes downwards to form a boss portion.
The pouring weight hanger plate middle part sets up under the vertical section in the hanging hole board right side, and the left part of the vertical section bottom end face in right side forms the spacing face of upset to pouring weight hanger plate left part up end angle is spacing.
The ejector rod pushing unit comprises a bracket, an L-shaped connecting plate, a striking plate and a traction electromagnet; one side of the bracket is fixedly connected to the two side baffles, the other side of the bracket is fixedly connected with the longitudinal plate of the L-shaped connecting plate, the bottom surface of the transverse plate of the L-shaped connecting plate is fixedly connected with the top end of the traction electromagnet, the striking plate is hinged to the hinged lug plates, the hinged lug plates are respectively welded and fixed with the transverse plate and the longitudinal plate of the L-shaped connecting plate, one side of the striking plate abuts against the top end of the left part of the ejector rod penetrating through the bracket and the longitudinal plate of the L-shaped connecting plate, the other side of the striking plate abuts against the top end of the movable iron core penetrating through the transverse plate of the L-shaped connecting plate, and the hinged joint of the striking plate and the hinged lug, the abutting point of the ejector.
The counter weight unit includes the counter weight connecting rod, a plurality of balancing weights, the counter weight layer board, the first rectangular through-hole of vertical lining up is seted up to the pouring weight hanger plate right part, the length direction of first rectangular through-hole parallels with the length direction of pouring weight hanger plate, the first rectangular through-hole of first through-hole of wearing through at counter weight connecting rod top and through the spacing hoist and mount of stop nut, the counter weight layer board sets up under the pouring weight hanger plate and is fixed mutually with two side baffles, set up the rectangular through-hole of vertical second that link up on the counter weight layer board, the length direction of the rectangular through-hole of second and the length direction coplane of pouring weight hanger plate, the rectangular through-hole of second is passed to counter weight connecting rod lower part, a plurality of balancing weight.
And the two side baffles are also correspondingly provided with safety pin insertion holes for inserting the safety pins of the unhooking device, the safety pin insertion holes are positioned on the left side surface of the upper part of the unhooking blocking rod which is close to the lower part of the unhooking blocking rod when the lower part of the unhooking blocking rod is attached to the transverse section of the lifting hook in a closed manner, and the inserted safety pins of the unhooking device can be attached to the left side surface of the upper part of the limiting.
The detacher for testing the elevator safety component is arranged between the tractor hook and the car hook, and the lower lifting hole of the detacher is remotely controlled to be opened, so that the tractor hook is quickly separated from the top lifting hook of the car, the elevator safety component testing process is optimized, the testing accuracy and safety are improved, and the elevator safety component testing detacher has important significance for improving the precision of testing data.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of one embodiment of the present invention;
FIG. 2 is a schematic front view of an embodiment of the present invention;
FIG. 3 is a sectional view taken along line A-A in FIG. 2;
FIG. 4 is a sectional view taken along line B-B of FIG. 2;
FIG. 5 is a sectional view taken along line C-C in FIG. 2
FIG. 6 is a perspective view of the orifice plate;
fig. 7 is a front view of the orifice plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in the figure, the detacher for testing the elevator safety component comprises a lifting hole plate 1, two side baffles 2, a weight lifting plate 30, a lifting hook 19, a disengaging stop lever 21, a top rod 5, a top rod pushing unit and a counterweight unit;
the hole hanging plate 1 and the lifting hook 19 are respectively fixed at the top and the bottom between the two side baffles 2, and the hole hanging plate 1 and the two side baffles 2 form a normally closed upper lifting hole 100; specifically, the whole U type that is of hang hole board 1 comprises left side vertical section 101, middle horizontal segment and right side vertical section 102, and left side vertical section 101, right side vertical section 102 stretch into the top between two side shields 2 respectively downwards and fixed mutually through the welding, utilize the upper end edge 201 of two side shields 2 to seal U type mouth opening to form normally closed upper portion hang hole 100.
The hook 19 is L-shaped as a whole and is composed of a longitudinal section 191 and a transverse section 192, the upper part of the longitudinal section 191 is fixed on the left side of the bottom between the two side guards 2 through a cylindrical pin 18 and a fastening nut, etc., the lower part of the longitudinal section 191 and the transverse section 192 are positioned below the lower end edges 202 of the two side guards 2, the transverse section 192 extends towards the right side as a whole, and the upper end face 1921 of the transverse section 192 forms a smooth curved surface extending obliquely towards the lower right from the intersection of the left side and the longitudinal section 191 to the intersection of the right end and the right end face 1922 of the transverse section 192, preferably, the right end face 1922 of the transverse section 192 is a vertical surface; the upper part and the middle part of the unhooking stop rod 21 are arranged between the two side baffles 2, the middle part is rotationally connected with the two side baffles 2 through a connecting shaft 34, the lower part is positioned below the lower end edges 202 of the two side baffles 2, and when the unhooking stop rod 21 rotates to be in a vertical state as a whole, the lower left side surface of which is closely abutted against the right end surface 1922 of the transverse section 192 of the hook 19, so that the lower part 191 and the transverse part 192 of the hook 19, the lower part of the unhooking rod 21 and the lower edges 202 of the two side baffles 2 form a closed lower hanging hole 200, when the trip bar 21 is rotated so that its lower portion is out of abutting contact with the lateral section 192 of the hook 19, this corresponds to the lower lifting hole 200 opening a gap, since the lower hanging hole 200 is used to connect with the hook on the top of the car, the car hook can be disengaged from the gap and the electromagnetic detacher, and the car starts to fall.
As can be seen from the above, the lower hanging hole 200 is openable and closable, and the open and closed state thereof is switched by the rotation and vertical maintenance of the unhooking lever 21, and the weight hanging plate 30 is an important component for realizing the switching function.
The left part and the middle part of the heavy weight hanging plate 30 are arranged between the two side baffles 2, the middle part is rotationally connected with the two side baffles through a pin shaft 31, and the right part of the heavy weight hanging plate 30 is connected with a counterweight unit; the lower end face of the left part of the heavy block hanging plate 30 is provided with a locking groove 301 matched with the top end of the upper part of the unhooking stop lever 21, the top end face of the left part is provided with a lock tongue blind hole, a lock tongue pin 4 and a compression spring 3 are arranged in the lock tongue blind hole, under the action of the compression spring 3 and external force, the head part of the lock tongue pin 4 can extend out of and retract into the lock tongue blind hole along the axis direction, the right side part of the bottom end face of the left vertical section 101 forms a horizontal lock tongue limiting surface 1012, the left side part of the bottom end face of the left vertical section 101 downwards protrudes to form a boss part 1011, the boss part 1011 is provided with a horizontally through ejector rod through hole 10111, the right part of the ejector rod 5 slides through the ejector rod through hole 10111, the left part of the ejector rod;
when the lower part of the unhooking stop lever 21 abuts against the right end face 1922 of the transverse section 192 of the lifting hook 19, the top end of the upper part of the unhooking stop lever 21 is embedded into and clamped by the locking groove 301 of the weight hanger plate 30, when the head of the bolt pin 4 extends out, the outer side face of the head abuts against and is limited by the bolt limiting face 1012, and at the moment, the top end of the right part of the mandril 5 abuts against the top end face of the head of the bolt pin 4 coaxially.
When the ejector rod 5 is driven by the ejector rod pushing unit to move rightwards integrally, the ejector rod 5 enables the head of the bolt pin 4 to retract into the bolt blind hole until the bolt pin 4 is completely separated from contact with the bolt limiting surface 1012, the weight hanging plate 30 rotates clockwise under the action of the gravity unit connected to the right part, so that the locking groove 301 at the left part is separated from the top end of the upper part of the unhooking stop lever 21, the abutting closed locking state of the lower part of the unhooking stop lever 21 and the transverse section 192 of the lifting hook 19 is released, a gap is opened in the lower hanging hole 200, the lifting hook of the lift car can be separated from the electromagnetic unhooking device from the gap, and the lift car begins to fall.
Preferably, to increase the speed of releasing the closed locking state, the locking groove 301 is opened in the immediate vicinity of the middle portion of the weight hanger plate 30 so that the releasing speed of the locking groove 301 from the decoupling lever 21 can be increased.
Preferably, in order to prevent the pushing stroke of the top rod 5 from being too large, the middle part of the top rod 5 is further provided with a limiting stop shoulder 51 which is matched with and limited by the left side surface of the boss part 1011.
Further, the middle of the weight hanging plate 30, namely, the pin shaft 31 rotationally connected with the side baffle 2 is arranged under the right vertical section 102 of the hanging plate 1, the left part of the bottom end face of the right vertical section 102 forms a turnover limiting face 1021 limiting the angle of the left upper end face of the weight hanging plate 30, the limit position of the weight hanging plate 30 rotating clockwise is limited, excessive turnover is prevented, the turnover limiting face 1021 is ingeniously combined with the hanging plate 1, the whole volume can be effectively reduced, the boss part 1011, the lock tongue limiting face 1012 is combined with the left vertical section 101 of the hanging plate 1, the left vertical section 101 is processed to form an avoiding face 1013 so as to provide a sufficient rotating space for the top end of the left part of the weight hanging plate 30, and the effect of reducing the whole volume is also achieved.
One of the functions of the two side barriers 2 is to provide horizontal spacing protection for the parts of the weight hanger plate 30 and the unhooking stop bar 21 between the two side barriers 2 during overturning, and the two side barriers 2 provide fixed clearance space required for overturning for the weight hanger plate 30 and the unhooking stop bar 21 by using the hanging hole plate 1 and the hanging hook 19 fixed between the two side barriers, and the whole volume can be effectively controlled.
The push rod pushing unit capable of pushing the whole push rod 5 to the right can have various structural forms, such as an air cylinder and a hydraulic cylinder, the push rod 5 is coaxially and fixedly connected to telescopic rods of the push rod pushing unit, and even the telescopic rods are directly used as the push rods, but the form is that corresponding matched air sources, hydraulic oil sources and other matched equipment are needed, so that the whole equipment is too large, pipelines are complex, the installation is inconvenient, and the reaction speed is slow; the invention provides a structure with high reaction speed, small volume and high reliability, as shown in the figure, the ejector rod pushing unit comprises a bracket 6, an L-shaped connecting plate 11, a beating plate 12 and a traction electromagnet 14; bracket 6 one side rigid coupling is on two side shield 2, the longitudinal plate of opposite side rigid coupling L type connecting plate 11, the horizontal board bottom rigid coupling of L type connecting plate 11 pulls the top of electro-magnet 14, beater 12 articulates in the hinge otic placode 16, hinge otic placode 16 also acts as the effect of strengthening rib respectively with the horizontal board of L type connecting plate 11 and longitudinal plate welded fastening simultaneously, beater 12 one side is supported and is pasted ejector pin 5 and pass the left part top of bracket 6 and the longitudinal plate of L type connecting plate 11, beater 12 another side supports and pastes the vertical top that passes the movable iron core 13 of the horizontal board of L type connecting plate 11 that pulls electro-magnet 14, and beater 12 and the pin joint of hinge ear, with the point of ejector pin 5, with the point of supporting of moving iron core 13 and be located triangular three summits respectively. When the traction electromagnet 14 is controlled to be started, the movable iron core 13 can finish upward ejection in a very short time, and the ejector rod 5 is integrally pushed to the right through the knock-out plate 12, so that the electromagnetic detacher can quickly finish the unhooking with a lifting hook at the top of the car.
Of course, the ejector rod pushing unit can also directly transversely arrange the traction electromagnet 14 and fix the traction electromagnet with the side baffle 2 through connecting pieces such as a bracket and the like, and the movable iron core 13 and the ejector rod 5 are coaxially fixed, so that the striking plate 12 for transmitting power in the middle and changing the power transmission direction is omitted, but the width of the whole transverse direction of the detacher is increased, and the movable iron core 13 is transversely arranged, so that the reset of the movable iron core 13 is not facilitated.
The invention also provides a structural form of the counterweight unit, as shown in the figure, the counterweight unit comprises a counterweight connecting rod 26, a plurality of counterweights 8 and a counterweight supporting plate 27, the right part of the counterweight hanging plate 30 is provided with a first strip through hole 302 which is vertically communicated, the length direction of the first strip through hole 302 is parallel to the length direction of the counterweight hanging plate 30, the top part of the counterweight connecting rod 26 passes through the first strip through hole 302 and is limited and hoisted by a limiting nut, the counterweight supporting plate 27 is arranged under the counterweight hanging plate 30 and is fixed with the two side baffles 2, the counterweight supporting plate 27 is provided with a second strip through hole 271 which is vertically communicated, the length direction of the second strip through hole 271 is coplanar with the length direction of the counterweight hanging plate 30, the lower part of the counterweight connecting rod 26 passes through the second strip through hole 271, the plurality of counterweights 8 are sleeved and fixed on the middle part of the counterweight connecting rod 26 and are positioned, the first strip through hole 302 and the second strip through hole 271 are used for providing a certain movement allowance for the counterweight connecting rod 26 and playing a limiting role in unlocking and overturning the right part of the weight hanging plate 30, so that the counterweight block 8 is prevented from colliding with the side baffle 2, and most importantly, the lifting hook 19 of the detacher can be inclined, so that the detaching of the detacher from the lift hook is facilitated.
Further, the counter weight unit still includes a release link 20, release link 20 is located two regions outside the side shield 2, the middle part and the connecting axle 34 of release link 20 rotate to be connected, the right part top of release link 20 can support in 8 bottoms of balancing weight of bottommost, the preferred, the length of the release link 20 left part is greater than the length of right part to usable lever principle, comparatively light jack-up 8 balancing weights, supplementary cooperation is with 30 right parts uplifts of pouring weight hanger so that resume the locking to unhook pin 21.
Furthermore, the lower part of the unhooking stop lever 21 is also provided with a shifting plate 22 which is convenient for shifting, turning and resetting the unhooking stop lever.
Further, the two side guards 2 are correspondingly provided with safety pin insertion holes for inserting the safety pins 39 of the unhooking device, the positions of the safety pin insertion holes are positioned on the left side surface of the upper part of the unhooking device 21 when the lower part of the unhooking device 21 abuts against and closes with the transverse section 192 of the lifting hook 19, and the safety pins 39 of the unhooking device are inserted to prevent the top end of the upper part of the unhooking device 21 from being accidentally separated from the locking groove 301.
When the lift car is required to fall in the lift safety component test, a hook on a steel wire rope of the tractor is connected with an upper lifting hole 100 of the detacher, then a lifting hook 19 of the detacher penetrates through a circular lifting hook at the top of the lift car, the tractor, the detacher and the lift car are connected into a whole, and a traction electromagnet 14 of the detacher is connected with the test bed through a cable. After the test equipment is prepared, the safety pin 39 of the unhooking device is taken down, the towing machine drives the unhooking device and the lift car to move upwards to reach the required height, at the moment the test bench is powered on, the traction electromagnet 14 pushes the movable iron core 13 to move upwards at the moment the power is powered on, the movable iron core 13 pushes the striking plate 12 to rotate, the striking plate extrudes the ejector rod 5 rightwards, the ejector rod 5 extrudes the lock bolt pin 4 on the weight hanging plate 30 along with the ejector rod 5, when the lock bolt pin 4 retracts for a certain distance, the lock bolt limiting surface 1012 can not block the lock bolt pin 4 any more, because the other end of the weight hanging plate 30 is connected with the counterweight unit, under the action of gravity, the weight hanging plate 30 rotates clockwise around the pin shaft 31, at the moment the locking groove 301 of the weight hanging plate 30 moves upwards along with the rotation, the top end of the unhooking baffle plate 21 can not be blocked, the unhooking baffle plate 21 can also rotate around the connecting, the car lifting hook opens the unhooking baffle 21 to realize free falling under the action of the gravity of the car.
Because the action of the detacher is driven by electromagnetism, the electric signal only occurs in the moment from sending to finishing the action, the influence on the test is very little, meanwhile, the safety of operators is ensured, and the risk of accidents is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The detacher for testing the elevator safety component is characterized by comprising a lifting hole plate (1), two side baffles (2), a heavy block lifting plate (30), a lifting hook (19), a disengaging stop lever (21), a push rod (5), a push rod pushing unit and a counterweight unit;
the lifting hole plate (1) and the lifting hook (19) are respectively fixed at the top and the bottom between the two side baffles (2), and the lifting hole plate (1) and the two side baffles (2) jointly form a normally closed upper lifting hole (100);
the lifting hook (19) is integrally L-shaped, the upper part of a longitudinal section (191) of the lifting hook is fixed at the left side of the bottom between the two side baffles (2), the lower part of the longitudinal section (191) and a transverse section (192) of the lifting hook are positioned below the lower end edges (202) of the two side baffles (2), and the transverse section (192) integrally extends towards the right side; the upper part and the middle part of the unhooking blocking rod (21) are arranged between the two side baffles (2), the middle part is rotatably connected with the two side baffles (2) through a connecting shaft (34), the lower part is positioned below the lower end edges (202) of the two side baffles (2), and when the unhooking blocking rod (21) can rotate to the lower part to be tightly attached to the right end face (1922) of the transverse section (192) of the lifting hook (19);
the left part and the middle part of the heavy weight hanging plate (30) are arranged between the two side baffles (2), the middle part of the heavy weight hanging plate is rotationally connected with the two side baffles through a pin shaft (31), and the right part of the heavy weight hanging plate (30) is connected with a counterweight unit; the lower end face of the left part of the heavy block hanging plate (30) is provided with a locking groove (301) matched with the top end of the upper part of the unhooking stop lever (21), the top end of the left part is provided with a lock tongue pin (4) of which the head can elastically extend and retract along the axis direction of the lock tongue pin, a lock tongue limiting surface (1012) and a boss part (1011) are also arranged between the two side baffles, the boss part (1011) is provided with a horizontally through ejector rod through hole (10111), the right part of the ejector rod (5) slidably penetrates through the ejector rod through hole (10111), the left part of the ejector rod (5) is connected with an ejector rod pushing unit, and the ejector rod (5) can be integrally pushed; when the lower part of the unhooking blocking rod (21) is abutted against the right end face (1922) of the transverse section (192) of the lifting hook (19), the top end of the upper part of the unhooking blocking rod (21) is embedded into and clamped by the locking groove (301) of the weight hanging plate (30), the bolt limiting face (1012) abuts against the outer side face of the head part, extending out of the limiting bolt pin (4), of the limiting bolt pin, and the top end of the right part of the ejector rod (5) is abutted against the top end face of the head part of the bolt pin (4) coaxially.
2. The detacher for use in elevator safety member testing according to claim 1, wherein an upper end surface (1921) of the lateral section (192) of the hook (19) forms a smooth curved surface extending obliquely downward to the right from a position where the left side intersects the longitudinal section (191) to a position where the right end intersects the right end surface (1922) of the lateral section (192).
3. The detacher for elevator safety component testing as defined in claim 1, wherein the locking groove (301) is formed in a position adjacent to a middle portion of the weight hanger plate (30).
4. The detacher for testing the elevator safety component as claimed in claim 1, wherein the middle part of the mandril (5) is further provided with a limit stop shoulder (51) which is matched with and limited by the left side surface of the boss part (1011).
5. The detacher for testing the elevator safety component as recited in claim 1, wherein the lifting hole plate (1) is integrally U-shaped and is composed of a left vertical section (101), a middle horizontal section and a right vertical section (102), the left vertical section (101) and the right vertical section (102) respectively extend downwards into the top between the two side guards (2) and are fixed by welding, and the opening of the U-shaped opening is closed by using the upper edges (201) of the two side guards (2), so as to form the normally closed upper lifting hole (100).
6. The detacher for testing the elevator safety component as claimed in claim 5, wherein the bottom end surface of the left vertical section (101) of the lifting hole plate (1) is formed with a horizontal tongue stopper surface (1012) at the right side portion, and the bottom end surface of the left vertical section (101) is formed with a boss portion (1011) at the left side portion in a downwardly convex manner.
7. The detacher for testing the elevator safety component according to claim 5, wherein the middle portion of the weight hanger plate (30) is disposed right below the right vertical section (102) of the hanger plate (1), and the left portion of the bottom end surface of the right vertical section (102) forms a turning limiting surface (1021) for limiting the angle of the left upper end surface of the weight hanger plate (30).
8. The detacher for testing the elevator safety component according to claim 1, wherein the ejector rod pushing unit comprises a bracket (6), an L-shaped connecting plate (11), a striking plate (12), and a traction electromagnet (14); one side of a bracket (6) is fixedly connected to the two side baffles, the other side of the bracket is fixedly connected with a longitudinal plate of an L-shaped connecting plate (11), the bottom surface of a transverse plate of the L-shaped connecting plate (11) is fixedly connected with the top end of a traction electromagnet (14), a striking plate (12) is hinged to a hinged lug plate (16), the hinged lug plate (16) is fixedly welded with the transverse plate and the longitudinal plate of the L-shaped connecting plate (11) respectively, one side of the striking plate (12) abuts against a top rod (5) to penetrate through the left top ends of the bracket (6) and the longitudinal plate of the L-shaped connecting plate (11), the other side of the striking plate (12) abuts against the top end of a movable iron core (13) of the traction electromagnet (14) which vertically penetrates through the transverse plate of the L-shaped connecting plate (11), and the hinged point of the striking plate (12) and the hinged lug, the abutting point of the top rod (5) and the.
9. The detacher for testing the elevator safety component according to claim 1, wherein the counterweight unit comprises a counterweight connecting rod (26), a plurality of counterweights (8) and a counterweight supporting plate (27), a first elongated through hole (302) which vertically penetrates is formed in the right part of the counterweight hanging plate (30), the length direction of the first elongated through hole (302) is parallel to the length direction of the counterweight hanging plate (30), the top of the counterweight connecting rod (26) penetrates through the first elongated through hole (302) and is limited and hoisted through a limiting nut, the counterweight supporting plate (27) is arranged under the counterweight hanging plate (30) and is fixed with the two side baffles (2), a second elongated through hole (271) which vertically penetrates is formed in the counterweight supporting plate (27), the length direction of the second elongated through hole (271) is coplanar with the length direction of the counterweight hanging plate (30), the lower part of the counterweight connecting rod (26) penetrates through the second elongated through hole (271), the plurality of balancing weights (8) are sleeved and fixed on the middle part of the balancing weight connecting rod (26) and are positioned between the balancing weight hanging plate (30) and the balancing weight supporting plate (27).
10. The detacher for testing the elevator safety component as claimed in claim 1, wherein the two side guards (2) are correspondingly provided with a safety pin insertion hole for inserting a safety pin (39) of the detacher, the safety pin insertion hole is positioned on the left side surface of the upper part of the unhooking stop lever (21) which is close to the lower part of the unhooking stop lever (21) when the lower part of the unhooking stop lever (21) is abutted against the transverse section (192) of the lifting hook (19), and the inserted safety pin (39) of the detacher can abut against the left side surface of the upper part of the limit unhooking stop lever (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110254799.7A CN113044689B (en) | 2021-03-09 | 2021-03-09 | Unhooking device for elevator safety component test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110254799.7A CN113044689B (en) | 2021-03-09 | 2021-03-09 | Unhooking device for elevator safety component test |
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| CN113044689A true CN113044689A (en) | 2021-06-29 |
| CN113044689B CN113044689B (en) | 2024-04-09 |
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| CN210603881U (en) * | 2019-12-04 | 2020-05-22 | 重庆奔飞工业技术服务有限公司 | Detacher for cage falling protector unhooking test |
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| CN102564721A (en) * | 2011-12-14 | 2012-07-11 | 上海大学 | Automatic unhooking device for safety net test body |
| CN204130047U (en) * | 2014-08-08 | 2015-01-28 | 中山市合泽设备科技有限公司 | A kind of elevator governor safety tongs linkage test platform |
| CN205120361U (en) * | 2015-11-13 | 2016-03-30 | 中信重工机械股份有限公司 | Experimental wireless remote control detacher of using of cage safety hook unhook |
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|---|---|
| CN113044689B (en) | 2024-04-09 |
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