CN210339999U - Elevator buffer device - Google Patents

Abstract

The utility model provides an elevator buffer, includes the fixed plate, the center fixedly connected with sliding barrel of department of fixed plate bottom, the bottom fixedly connected with bottom plate of sliding barrel, the inside sliding connection of sliding barrel has the mobile jib, and the top of mobile jib runs through the fixed plate and extends to the top of fixed plate through first through-hole, and two second through-holes have been seted up to the upper surface of fixed plate, and two second through-holes are located the both sides of first through-hole respectively, the utility model discloses the beneficial effect who reaches is: the very big problem of noise that current elevator buffer produced when the elevator overhauls the test, when carrying out the elevator simulation tenesmus out of control, the secondary spring that sets up can warp the buffering fractional impact force through self elasticity pressurized, and the primary spring that sets up can warp with the common pressurized of secondary spring and consume the impact energy that the elevator descends, and buffering effect is good, increases the area of contact with the car, makes the car bottom be difficult for offsetting impact energy because of buffer and warp.

Description

Elevator buffer device

Technical Field

The utility model relates to a buffer, in particular to elevator buffer belongs to buffer technical field.

Background

The elevator buffer device is the final barrier of elevator safety, and when the elevator runs out of control and collides with a pit, the buffer device absorbs or consumes the impact energy of elevator descending, so that the elevator car is decelerated, buffered and stopped on the buffer device. The noise that current elevator buffer produced when the elevator overhauld the test is very big, and just mostly only is provided with a buffering point, and buffering effect is good inadequately, makes the car bottom serious deformation easily.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an elevator buffer device, which comprises a fixing plate and i, the central fixedly connected with slide cartridge of department of fixed plate bottom, the bottom fixedly connected with bottom plate of slide cartridge, the inside sliding connection of slide cartridge has the mobile jib, the top of mobile jib runs through the fixed plate through first through-hole and extends to the top of fixed plate, two second through-holes, two have been seted up to the upper surface of fixed plate the second through-hole is located the both sides of first through-hole respectively, the fixed plate has two auxiliary rods through two second through-hole sliding connection, the equal fixedly connected with steel bushing in top of mobile jib and auxiliary rod, the cover is equipped with main spring, two on the pole wall of mobile jib all the cover is equipped with auxiliary spring on the pole wall of auxiliary rod.

As a preferred technical scheme of the utility model, the top and the steel bushing fixed connection of main spring and auxiliary spring, the bottom of main spring and auxiliary spring all with fixed plate fixed connection.

As a preferred technical scheme of the utility model, spacing spout has been seted up on the lateral wall of slide cartridge, the inside sliding connection of spacing spout has the stopper, stopper and mobile jib fixed connection, two the equal fixedly connected with limiting plate in bottom of auxiliary rod.

As an optimal technical scheme of the utility model, it is three the equal fixedly connected with blotter in top of steel bushing.

As an optimal technical scheme of the utility model, the last fixed surface of bottom plate is connected with two rubber pads, two the rubber pad is located the both sides of slide cartridge respectively, even one the rubber pad is located the below of two limiting plates respectively.

As a preferred technical scheme of the utility model, the top of vice pole is higher than the top of mobile jib apart from the height of fixed plate apart from the top of fixed plate.

As a preferred technical scheme of the utility model, the equal fixedly connected with bracing piece in both ends of fixed plate, two the bottom of bracing piece all with bottom plate fixed connection.

As an optimized technical scheme of the utility model, the equal threaded connection in both ends of bottom plate has the screw.

The utility model discloses the beneficial effect who reaches is:

1. the utility model discloses simple structure carries out elevator maintenance test, and when elevator test was out of control and is weighed down, set up the blotter earlier with the car bottom contact, the blotter compressive deformation can not produce the noise of high decibel, when vice pole bottom sets up limiting plate buffering and assaults, offsets with the rubber pad, the rubber pad compressive deformation can not produce the noise of high decibel, has solved the very big problem of noise that current elevator buffer produced when elevator maintenance test.

2. When carrying out the elevator simulation tenesmus out of control, the vice pole of setting receives the impact force and slides down along the second through-hole, the vice spring of setting can warp buffering the little impact force through self elasticity pressurized, then the mobile jib receives the impact force and slides to the slide cartridge is inside along first through-hole, the main spring of setting can warp with the common pressurized of vice spring and consume the impact energy that the elevator descends, buffering effect is good, make car buffering stop on buffer that slows down, and the common bottom contact with the car of three blotter that sets up, increase the area of contact with the car, make the car bottom be difficult for offsetting impact energy and warp because of buffer.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment;

FIG. 2 is a schematic top view of a preferred embodiment.

In the figure: 1. a fixing plate; 101. a first through hole; 102. a second through hole; 2. a slide cylinder; 21. a limiting chute; 22. a limiting block; 3. a base plate; 31. a rubber pad; 32. a screw; 4. a main rod; 41. a main spring; 5. an auxiliary rod; 51. a secondary spring; 52. a limiting plate; 6. steel jacket; 7. a cushion pad; 8. a support rod.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please combine to refer to fig. 1-2, the utility model relates to an elevator buffer, including fixed plate 1, the center department fixedly connected with slide cartridge 2 of fixed plate 1 bottom, the bottom fixedly connected with bottom plate 3 of slide cartridge 2, the inside sliding connection of slide cartridge 2 has mobile jib 4, the top of mobile jib 4 runs through fixed plate 1 and extends to the top of fixed plate 1 through first through-hole 101, two second through-holes 102 have been seted up to the upper surface of fixed plate 1, two second through-holes 102 are located the both sides of first through-hole 101 respectively, fixed plate 1 has two auxiliary rods 5 through two second through-hole 102 sliding connection, the equal fixedly connected with steel bushing 6 in top of mobile jib 4 and auxiliary rod 5, the cover is equipped with main spring 41 on the pole wall of mobile jib 4, it is equipped with auxiliary spring 51 all to overlap on the pole wall of two auxiliary rods 5.

The top ends of the main spring 41 and the auxiliary spring 51 are fixedly connected with the steel sleeve 6, the bottom ends of the main spring 41 and the auxiliary spring 51 are fixedly connected with the fixed plate 1, when the main rod 4 and the auxiliary rod 5 slide downwards along the first through hole 101 and the second through hole 102 respectively under the impact force, the main spring 41 and the auxiliary spring 51 can deform under pressure between the steel sleeve 6 and the fixed plate 1, the impact force is consumed by the self-elasticity, the side wall of the sliding cylinder 2 is provided with a limit sliding chute 21, the inside of the limit sliding chute 21 is connected with a limit block 22 in a sliding manner, the limit block 22 is fixedly connected with the main rod 4, the bottom ends of the two auxiliary rods 5 are fixedly connected with limit plates 52, the limit sliding chutes 21, the limit blocks 22 and the limit plates 52 can limit the main rod 4 and the auxiliary rods 5 from sliding from the fixed plate 1 along the first through hole 101 and the second through hole 102, and cushion pads 7 fixedly connected with the, and can not produce the noise, two rubber pads 31 of the last fixed surface of bottom plate 3, two rubber pads 31 are located the both sides of slide cartridge 2 respectively, even a rubber pad 31 is located the below of two limiting plates 52 respectively, when making vice pole 5 pressurized slide down along second through-hole 102, limiting plate 52 offsets with rubber pad 31, can absorb the impact force, and can not produce the noise, the top of vice pole 5 is higher than the top of mobile jib 4 apart from fixed plate 1 apart from the height of fixed plate 1 apart from the top of mobile jib 1, make vice pole 5 pressurized in advance, slide down along second through-hole 102, the equal fixedly connected with bracing piece 8 in both ends of fixed plate 1, the bottom of two bracing pieces 8 all with bottom plate 3 fixed connection, increase the stability of fixed plate 1, the equal threaded connection in both ends of bottom plate 3 has screw 32, be convenient for mounting plate 3.

Specifically, when the elevator maintenance test device is used, an elevator maintenance test is carried out, when the car is simulated to fall out of control, firstly, the buffer cushion 7 at the top end of the auxiliary rod 5 abuts against the bottom of the car and deforms under pressure, the auxiliary rod 5 slides downwards along the second through hole 102, the steel sleeve 6 and the fixed plate 1 jointly extrude the auxiliary spring 51, the auxiliary spring 51 deforms under pressure, after a small part of impact force is counteracted by the elasticity of the auxiliary spring, the buffer cushion 7 at the top end of the main rod 4 abuts against the bottom of the car and deforms under pressure, the main rod 4 slides towards the inside of the sliding barrel 2 along the first through hole 101 under the impact force, the main spring 41 between the steel sleeve 6 and the fixed plate 1 deforms under pressure, the impact energy of the elevator falling can be consumed together with the auxiliary spring 51, the limiting plate 52 abuts against the rubber pad 31 below the limiting plate, the rubber pad 31 deforms under pressure, no noise is generated, the buffering effect is good, the contact area between the bottom of the lift car and the lift car is increased, so that the bottom of the lift car is not easy to generate deformation due to the energy generated by the impact energy offset by the buffering of the buffering device.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (8)

1. The elevator buffering device is characterized by comprising a fixing plate (1), a sliding barrel (2) is fixedly connected to the center of the bottom of the fixing plate (1), a bottom plate (3) is fixedly connected to the bottom end of the sliding barrel (2), a main rod (4) is slidably connected to the inside of the sliding barrel (2), the top end of the main rod (4) penetrates through the fixing plate (1) through a first through hole (101) and extends to the upper side of the fixing plate (1), two second through holes (102) are formed in the upper surface of the fixing plate (1), the two second through holes (102) are respectively located on two sides of the first through hole (101), two auxiliary rods (5) are slidably connected to the fixing plate (1) through the two second through holes (102), steel sleeves (6) are fixedly connected to the top ends of the main rod (4) and the auxiliary rods (5), and a main spring (41) is sleeved on the rod wall of the main rod (4), and the rod walls of the two auxiliary rods (5) are sleeved with auxiliary springs (51).

2. An elevator buffer device as defined in claim 1, characterized in that the top ends of the main spring (41) and the auxiliary spring (51) are fixedly connected with the steel sleeve (6), and the bottom ends of the main spring (41) and the auxiliary spring (51) are fixedly connected with the fixed plate (1).

3. The elevator buffering device according to claim 1, wherein a limiting sliding groove (21) is formed in a side wall of the sliding cylinder (2), a limiting block (22) is slidably connected to the inside of the limiting sliding groove (21), the limiting block (22) is fixedly connected with the main rod (4), and limiting plates (52) are fixedly connected to bottom ends of the two auxiliary rods (5).

4. An elevator buffer as defined in claim 1, characterized in that the top ends of the three steel sleeves (6) are fixedly connected with cushions (7).

5. An elevator buffering device as defined in claim 1, wherein two rubber pads (31) are fixedly connected to the upper surface of the bottom plate (3), the two rubber pads (31) are respectively located at two sides of the sliding barrel (2), and the two rubber pads (31) are respectively located below the two limiting plates (52).

6. An elevator buffer as defined in claim 1, characterized in that the height of the top end of the secondary rod (5) from the fixed plate (1) is higher than the height of the top end of the primary rod (4) from the fixed plate (1).

7. An elevator buffer as defined in claim 1, characterized in that the two ends of the fixed plate (1) are fixedly connected with the supporting rods (8), and the bottom ends of the two supporting rods (8) are fixedly connected with the bottom plate (3).

8. An elevator buffer as defined in claim 1, characterized in that the bottom plate (3) is threaded at both ends with screws (32).

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