CN218778558U

CN218778558U - Safety device

Info

Publication number: CN218778558U
Application number: CN202222970818.9U
Authority: CN
Inventors: 孔亚楠
Original assignee: Jining Special Equipment Inspection and Research Institute
Current assignee: Jining Special Equipment Inspection and Research Institute
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-31
Anticipated expiration: 2032-11-09

Abstract

The utility model provides a safety device relates to elevator inspection technical field, including fixed knot structure, one side of fixed knot constructs is provided with limit structure, limit structure's bottom just is located and installs the hydraulic buffer between two fixed knot constructs, fixed knot constructs including the screw sleeve pipe, the inside of screw sleeve pipe is provided with the pole setting, and fixed knot constructs through the threaded connection of equidirectional not, and adjustable design, car of the different size specifications of adaptation that can be better, limit structure are convenient for install additional the balancing weight, and simultaneously, the existence of two ratchets can be injectd the balancing weight position, avoids the balancing weight to break away from limit structure, and four fixed knot construct and distribute around the car, and weight distribution's stability and numerical value accuracy when can guaranteeing safety device and detect avoids appearing the single problem of impetus.

Description

Safety device

Technical Field

The utility model relates to an elevator inspection technical field especially relates to a safety device.

Background

The elevator is a very common carrying device in daily life, the main function of the elevator is to transport people or goods to a high place or a low place, the elevator has very large potential safety hazard because the elevator has many internal parts and the car is a box-shaped space for carrying and transporting people and goods and materials, and the elevator is often required to carry very large weight, and corresponding safety equipment is usually required to solve the problem.

The defects of the existing elevator inspection safety equipment are as follows:

the contrast file CN216863308U discloses the safety equipment that elevator inspection used, "the utility model discloses a safety equipment that elevator inspection technical field's elevator inspection used, including H type base, the vertical welding in top of H type base has U type support, the vertical hoist mechanism that is provided with between the top of U type support and the top of H type base, the outer wall symmetrical cover of support slide is equipped with stop sleeve, and the rear side of support slide is provided with sideslip mechanism, the utility model discloses a place the balancing weight at the top of balancing weight rack, control hoist mechanism and sideslip mechanism's motion respectively through the PLC controller, make the balancing weight can be settled in elevator car's inside with the mode of adding from bottom to top, avoid rising and need many people to incline to lift the loaded down with trivial details of placing because of the stack of balancing weight, and utilize the combination inserted block to carry out the intercombination connection in the inner chamber of combination slot between the balancing weight, avoid hindering the phenomenon to staff or car because the pounding of the balancing weight that falls. "

However, in the prior art, when the load condition of the elevator car is detected, the force application point of the detection device is single, and when the elevator actually runs, the dispersion of the force application points can be caused by the dispersion of personnel, so that the load condition of the elevator can not be accurately measured by the method, the device lacks a corresponding protection structure, and once the car is overloaded and falls, the detection weight falls down, so that the car and the shaft bottom are damaged, and defects exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, when examining the load condition to elevator car, verifying attachment's impetus is single, and when the elevator actually operated, personnel spread can lead to the dispersion of impetus, consequently, the unable accurate load condition that measures the elevator of this mode, and the device lacks corresponding protective structure, in case the car transships, when taking place to fall, the detection weight is emptyd, can cause the damage in car and shaft bottom, there is the defect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a safety device, includes fixed knot structure, one side of fixed knot structure is provided with limit structure, limit structure's bottom just is located and installs the hydraulic buffer between two fixed knot structures, fixed knot structure includes the threaded sleeve pipe, the sheathed tube inside of threaded sleeve is provided with the pole setting, the bottom of pole setting is provided with the thread groove, two the thread groove screw thread opposite direction of pole setting bottom, the pole setting passes through thread groove and threaded sleeve threaded connection.

As a preferred embodiment, a fixed side plate is fixedly connected to one side of the threaded sleeve, and a gasket is fixedly connected to one end, away from the threaded groove, of the vertical rod.

The technical effect of adopting the further scheme is as follows: fixed knot constructs through the threaded connection of equidirectional not, adjustable design, the car of the different size specifications of adaptation that can be better, and the gasket can avoid the pole setting to form wearing and tearing to car inner wall, simultaneously, can increase the frictional force of junction, makes fixed knot construct the installation more stable.

As a preferred embodiment, the limiting structure comprises a connecting plate, and the connecting plate is in threaded connection with the fixed side plate through a connecting bolt.

The technical effect of adopting the further scheme is as follows: the limit structure is movably connected with an adjustable fixing mode, so that the balancing weight is convenient to install additionally.

As a preferred embodiment, a fixing rod is fixedly connected to one side of the connecting plate, a supporting plate is fixedly connected to the outer surface of the fixing rod, and a supporting rod is fixedly connected to one side of the supporting plate adjacent to the fixing rod.

The technical effect of adopting the further scheme is as follows: dead lever auxiliary stay pole can promote the bearing capacity of backup pad, and then ensures the stability of its connection.

As a preferred embodiment, one side of the supporting plate, which is far away from the supporting rod, is fixedly connected with a lower ratchet, one side of the supporting plate, which is adjacent to the supporting rod, is fixedly connected with an upper ratchet, and a balancing weight is installed inside the supporting plate.

The technical effect of adopting the further scheme is as follows: the dead lever auxiliary stay pole can promote the bearing capacity of backup pad, and then ensures the stability of its connection.

As a preferred embodiment, the top end and the bottom end of the counterweight block are respectively provided with a ratchet groove, the ratchet grooves are movably clamped with the lower ratchet and the upper ratchet, and the bottom end of one of the support plates is fixedly connected with the hydraulic buffer.

The technical effect of adopting the further scheme is as follows: after the ratchet groove is movably clamped with the lower ratchet and the upper ratchet, the position of the balancing weight is limited by the position, so that the balancing weight cannot be actively separated from the inner parts of the two supporting plates.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model discloses in, fixed knot constructs through the not equidirectional threaded connection, design with adjustable, the car of the different size and specification of adaptation that can be better, the gasket can avoid the pole setting to car inner wall formation wearing and tearing, and simultaneously, can increase the frictional force of junction, make the more stable of fixed knot structure installation, limit structure adjustable is fixed, be convenient for install the balancing weight additional, and simultaneously, the existence of two ratchets, can inject the balancing weight position, avoid the balancing weight to break away from limit structure, the supplementary limit structure of hydraulic buffer, in case the car takes place the overload tenesmus condition, hydraulic buffer can play absorbing effect, limit structure then can avoid the balancing weight roll-off, form the damage to car and shaft bottom, in addition, four fixed knot construct and distribute around the car, weight distribution's stability and numerical accuracy when can guaranteeing the safety device and detect, avoid appearing the single problem of impetus.

Drawings

Fig. 1 is a schematic structural diagram of a safety device provided by the present invention;

fig. 2 is a schematic structural diagram of a hydraulic buffer of a safety device according to the present invention;

fig. 3 is a schematic view illustrating an installation of a fixing structure of a safety device according to the present invention;

fig. 4 is a schematic view of the installation of the limiting structure of the safety device provided by the present invention.

Illustration of the drawings:

1. a fixed structure; 2. a limiting structure; 3. a hydraulic shock absorber;

11. a threaded bushing; 12. fixing the side plate; 13. erecting a rod; 14. a thread groove; 15. a gasket;

21. a connecting plate; 22. fixing the rod; 23. a support plate; 24. a lower ratchet; 25. an upper ratchet; 26. a balancing weight; 27. a ratchet groove; 28. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a safety device comprises a fixed structure 1, a limiting structure 2 is arranged on one side of the fixed structure 1, an oil buffer 3 is arranged at the bottom end of the limiting structure 2 and between the two fixed structures 1, the fixed structure 1 comprises a threaded sleeve 11, an upright rod 13 is arranged inside the threaded sleeve 11, a thread groove 14 is arranged at the bottom end of the upright rod 13, the thread directions of the thread grooves 14 at the bottom ends of the two upright rods 13 are opposite, the upright rod 13 is in threaded connection with the threaded sleeve 11 through the thread groove 14, specifically, when a safety test of bearing in a car is carried out, the fixed structure 1 is firstly moved into the car, the two upright rods 13 are screwed, the two upright rods 13 are gradually far away from the inside of the threaded sleeve 11 and are in contact with the top end and the bottom end of the car, at the moment, a gasket 15 at one end of the upright rod 13 is in contact with the inner wall of the car, so that the friction force at the joint of the upright rod and the car is increased, shaking is avoided, and the car is also prevented from being abraded, with the installation of the fixed structure 1 completed, firstly fixing one of the upright posts 13 to one side of the fixed side plate 12 through the connecting plate 21, then fixing the hydraulic buffer 3 to the bottom end of one of the upright posts 13 to be in movable contact with the elevator car and between the upright posts 13, and finally, presetting the ratchet grooves 27 at the upper end and the lower end of the counterweight block 26, so that the counterweight block 26 is in movable contact with the lower ratchet 24 at the top end of one of the upright posts 13, fixing the other upright post 13 through the connecting plate 21 to enable the upper ratchet 25 at the bottom end of the counterweight block to be in contact with the counterweight block 26, realizing the position limitation of the counterweight block 26, reciprocating the test of the bearing of the elevator car can be started until the counterweight block is fixed to a proper measurement value, and by the technical scheme, when the load condition of the elevator car is tested, the origin of force of the testing device is single, unable accurate measure the problem of the load condition of elevator, fixed knot constructs 1 threaded connection through equidirectional not, design with adjustable, the car of the different size specification of adaptation that can be better, limit structure 2 is convenient for install additional balancing weight 26, and simultaneously, the existence of two ratchets, can prescribe a limit to balancing weight 26 position, avoid balancing weight 26 to break away from limit structure 2, four fixed knot constructs 1 distributions are around the car, weight distribution's stability and numerical value accuracy when can guaranteeing the safety equipment detection, avoid appearing the single problem of impetus.

Further, as shown in fig. 1, 2 and 3: still include the fixed curb plate 12 of one side fixedly connected with of screw thread sleeve 11, the one end fixedly connected with gasket 15 of thread groove 14 is kept away from to pole setting 13, inside screw thread sleeve 11 was kept away from gradually to two pole settings 13, touch with car top and bottom, the gasket 15 that is connected the injecture by pole setting 13 this moment also will synchronous movement, touch with the car inner wall and touch, this technical scheme's advantage is that pole setting 13 can be avoided to car inner wall formation wearing and tearing to gasket 15, and simultaneously, can increase the frictional force of junction, make fixed knot construct 1 installation more stable.

There is also the problem of detecting the absence of the fixed structure 1 of the car load bearing installation equipment in the above solutions, which can lead to serious damage to the car interior and safety structure when the car drops, as shown in fig. 1, 3 and 4: in this scheme, the limiting structure 2 includes a connecting plate 21, the connecting plate 21 is in threaded connection with a fixed side plate 12 through a connecting bolt, one side of the connecting plate 21 is fixedly connected with a fixed rod 22, the outer surface of the fixed rod 22 is fixedly connected with a supporting plate 23, the bottom end of one of the supporting plates 23 is fixedly connected with an oil buffer 3, one side of the supporting plate 23 adjacent to the fixed rod 22 is fixedly connected with a supporting rod 28, once the car is overloaded and falls down, the oil buffer 3 can play a role in shock absorption, one of the upright rods 13 is fixed to one side of the fixed side plate 12 through the connecting plate 21, the oil buffer 3 is fixed to the bottom end of one of the upright rods 13, the oil buffer is movably contacted between the car and the upright rod 13, meanwhile, the fixing of the position of the supporting plate 23 is completed, the effect of adapting the cars with different sizes and specifications can be realized through sequential circulation, the fixing structure 1 is in threaded connection with different directions, the adjustable design, once the oil buffer is contacted with the inner wall of the car, the position of the fixing structure 1 is limited under the action of friction force, thereby ensuring the stability of placing the counterweight 26 therein and avoiding the situation that the displacement of the inner structure.

In the above solution, there is also a problem that the counterweight 26 falls under the action of gravity once the car falls when the counterweight 26 detects a load, as shown in fig. 1 and 4, one side of the support plate 23 away from the support rod 28 is fixedly connected with the lower ratchet 24, one side of the support plate 23 adjacent to the support rod 28 is fixedly connected with the upper ratchet 25, the counterweight 26 is installed inside the support plate 23, ratchet grooves 27 are respectively formed in the top end and the bottom end of the counterweight 26, the ratchet grooves 27 are movably clamped with the lower ratchet 24 and the upper ratchet 25, the counterweight 26 is movably contacted with the lower ratchet 24 at the top end of one of the upright rods 13, the other upright rod 13 is fixed by the connecting plate 21, the upper ratchet 25 at the bottom end of the other upright rod can be contacted with the counterweight 26, so as to define the position of the counterweight 26, and the ratchet grooves 27 can be movably clamped with the lower ratchet 24 and the upper ratchet 25, therefore, the counterweight 26 cannot be actively separated from the inside of the two support plates 23, so that the position of the counterweight 26 can be fixed in the limiting structure 2, and the situation that the counterweight 26 falls when the car is prevented from falling, the car and the counterweight 26 is damaged and falls under the influence of gravity.

The working principle is as follows:

as shown in fig. 1, 2, 3 and 4, when a safety test of bearing in the car is performed, the fixed structure 1 is moved into the car, the two vertical rods 13 are screwed, so that the two vertical rods 13 are gradually far away from the inside of the threaded sleeve 11 and are in contact with the top end and the bottom end of the car, at this time, the gasket 15 at one end of the vertical rod 13 is in contact with the inner wall of the car, so as to increase the friction force at the joint of the two vertical rods and avoid shaking and abrasion to the car, along with the completion of the installation of the fixed structure 1, one of the vertical rods 13 is fixed to one side of the fixed side plate 12 through the connecting plate 21, the hydraulic buffer 3 is fixed to the bottom end of the other vertical rod 13, so that the hydraulic buffer is in contact with the bottom end of the vertical rod 13 and the car, and finally, the upper and lower ends of the counterweight 26 are both provided with ratchet grooves 27 in advance, so that the counterweight 26 is in contact with the lower ratchet 24 at the top end of the one of the other vertical rod 13, the connecting plate 21 is fixed, so that the upper ratchet 25 at the bottom end of the counterweight can be in contact with the counterweight 26, so as to limit the position of the counterweight 26, and the counterweight can be measured until the value of the car is measured repeatedly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A safety device comprising a fixed structure (1), characterized in that: one side of fixed knot structure (1) is provided with limit structure (2), limit structure's (2) bottom just is located and installs hydraulic buffer (3) between two fixed knot construct (1), fixed knot construct (1) including threaded sleeve pipe (11), the inside of threaded sleeve pipe (11) is provided with pole setting (13), the bottom of pole setting (13) is provided with thread groove (14), two thread groove (14) the opposite direction of thread of pole setting (13) bottom, pole setting (13) are through thread groove (14) and threaded sleeve pipe (11) threaded connection.

2. A security device according to claim 1, wherein: one side of the threaded sleeve (11) is fixedly connected with a fixed side plate (12), and one end of the upright rod (13) far away from the thread groove (14) is fixedly connected with a gasket (15).

3. A security device according to claim 2, wherein: the limiting structure (2) comprises a connecting plate (21), and the connecting plate (21) is in threaded connection with the fixed side plate (12) through a connecting bolt.

4. A security device according to claim 3, wherein: one side fixedly connected with dead lever (22) of connecting plate (21), the surface fixedly connected with backup pad (23) of dead lever (22), one side fixedly connected with bracing piece (28) of the adjacent dead lever (22) of backup pad (23).

5. A security device according to claim 4, wherein: one side of the support plate (23) far away from the support rod (28) is fixedly connected with a lower ratchet (24), one side of the support plate (23) adjacent to the support rod (28) is fixedly connected with an upper ratchet (25), and a balancing weight (26) is arranged inside the support plate (23).

6. A security device according to claim 5, wherein: ratchet grooves (27) are formed in the top end and the outer portion of the bottom end of the balancing weight (26), the ratchet grooves (27) are movably clamped with the lower ratchet (24) and the upper ratchet (25), and the bottom end of one of the supporting plates (23) is fixedly connected with the oil buffer (3).