Elevator main frame with shock absorption and noise reduction functions

Abstract

The elevator main frame with the shock absorption and noise reduction functions comprises a main frame body, the main frame body is installed over a counterweight, the elevator main frame further comprises counterweight guide rails installed at the two ends of the main frame body and a car guide rail installed in the middle of the main frame body, and the two ends of the main frame body are provided with first connecting plates which are symmetrical to each other correspondingly; the damping rubber is arranged on the connecting plate of the main frame body, and the fixing mode of the counterweight guide rail and the car guide rail is optimized, so that vibration and noise transmission in the elevator running process are effectively reduced. Meanwhile, the guide rail bottom edge design with the inclined face is adopted, the fastening effect of the limiting bolts is matched, and the stability and durability of the guide rail are improved. The stability and the damping performance of the elevator main frame are enhanced, the riding comfort is improved, and the elevator main frame is particularly suitable for household elevators or villa elevators with high noise control requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field, concretely relates to a kind of elevator mainframe with shock absorption and noise reduction function. BACKGROUND

[0002] In prior art, elevator mainframe as the key structure of supporting elevator main components, its stability and shock absorption performance have important influence on the safe operation and ride comfort of elevator.However, traditional elevator mainframe is often focused on the load-carrying capacity and stability of structure when designing, and ignores the consideration of shock absorption and noise reduction, specifically can refer to the utility model patent disclosure of a kind of elevator mainframe structure of patent application number 201821825932.X, the equipment is provided with mainframe seat plate on mainframe, mainframe is fixed on mainframe seat plate, and shock pad is arranged below mainframe seat plate to reduce the vibration generated by mainframe, to avoid vibration transmission to mainframe. However, in the process of elevator operation, due to the movement of car and counterweight, the connecting part between guide rail and mainframe is prone to vibration and noise, these noises are prone to cause adverse effects on elevator machine room and the surrounding environment, especially in household elevator or villa elevator, the control of noise is often paid more attention to, so improvement is needed. SUMMARY

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a kind of elevator mainframe with shock absorption and noise reduction function.

[0004] The utility model solves the technical problems thereof by adopting the following technical scheme:

[0005] A kind of elevator mainframe with shock absorption and noise reduction function, including mainframe body, the mainframe body is installed in the positive of counterweight, still include the counterweight guide rail of installation in the both ends of mainframe body and the car guide rail of installation in the middle part of mainframe body, the counterweight guide rail of two sides is oppositely arranged for the counterweight up and down guide, the car guide rail is inclined to the outside of mainframe body for car guide;The both ends of the mainframe body are respectively equipped with the first connecting plate that is mutually symmetrical, the upper side of the horizontal side of the first connecting plate is equipped with shock absorbing glue, the counterweight guide rail is fixed in the inside of the vertical side of first connecting plate;The middle part of the mainframe body is equipped with second connecting plate, the upper side of the horizontal side of the second connecting plate is also equipped with the shock absorbing glue, the car guide rail is installed in the outside of the vertical side of second connecting plate.

[0006] Further, the first connecting plate is right-angle structure, and the two counterweight guide rails are respectively fixed in the inside of the vertical side of first connecting plate, and the structure of the second connecting plate is same with the structure of first connecting plate.

[0007] Further, the thickness of the damping glue is 80mm, and the bolt is sequentially threaded through the upper surface of the main frame body, the damping glue and the horizontal edge of the first connecting plate from top to bottom, and then fastened and fixed by the nut, or sequentially threaded through the second connecting plate, the damping glue and the lower surface of the main frame body from bottom to top, and then fastened and fixed by the nut.

[0008] Further, the bottom end of the bolt is fastened and fixed by double nuts.

[0009] In the utility model, the main frame body includes a main frame formed by a plurality of channel steel and welded into a "eye" structure, an upper support plate is welded on the top of the main frame, a lower support plate is welded on the bottom of the main frame, and the horizontal edge of the second connecting plate is fixed on the lower support plate.

[0010] In the utility model, the counterweight guide rail and the car guide rail have the same structure and are both T-shaped structures, the head of the T is a bottom edge, and the tail of the T is a guide edge, and the counterweight guide rail and the car guide rail are respectively fixed on the first connecting plate and the second connecting plate by the bottom edge.

[0011] Further, two rows of symmetrical assembly holes are arranged on the first connecting plate and the second connecting plate, the counterweight guide rail or the car guide rail is arranged between the two rows of symmetrical assembly holes, and the counterweight guide rail or the car guide rail is fixed by limiting bolts threaded through the assembly holes on both sides of the guide rail.

[0012] Further, the limiting bolt is composed of a limiting cap in a rectangular block structure and a conventional bolt threaded through the limiting cap, and the conventional bolt is abutted against the bottom edge of the counterweight guide rail or the car guide rail by the limiting cap after being threaded through the assembly hole.

[0013] Further, the assembly hole is a long strip hole extending in the horizontal direction.

[0014] In the utility model, the bottom edge of the counterweight guide rail and the car guide rail is respectively provided with an inclined surface, that is, the planes on both sides of the guide edge of the bottom edge of the counterweight guide rail or the car guide rail are arranged in an inclined manner from inside to outside, so that the thickness of the bottom edge gradually decreases from inside to outside.

[0015] The utility model has the following advantages and beneficial effects:

[0016] By arranging the damping glue on the connecting plate of the main frame body and optimizing the fixing mode of the counterweight guide rail and the car guide rail, the vibration and noise transmission in the running process of the elevator are effectively reduced. Meanwhile, the guide rail bottom edge with the inclined surface is designed, and the fastening effect of the limiting bolt is adopted, so that the stability and durability of the guide rail are improved. Not only the stability and damping performance of the elevator main frame are enhanced, but also the riding comfort is improved, and the utility model is especially suitable for household elevators or villa elevators with high noise control requirements. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further illustrated below in combination with the drawings and embodiments:

[0018] Figure 1 It is the structure schematic view of main frame in this embodiment;

[0019] Figure 2 It is the front view of main frame in this embodiment;

[0020] Figure 3 It is the plan view of main frame in this embodiment;

[0021] Figure 4 It is the A-A section view in this embodiment; Figure 3

[0022] Figure 5 It is the B-B section view in this embodiment; Figure 3

[0023] Figure 6 It is the side view of main frame in this embodiment;

[0024] Figure 7 It is the partial enlarged view of C part in this embodiment; Figure 3 DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and the utility model is not limited to the following embodiments.

[0026] It should be noted that if the utility model embodiment involves directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, …), the directional indication is only used to explain the relative position relationship, movement condition and the like between components in a certain specific attitude (such as shown in the drawings), if the specific attitude changes, then the directional indication also changes accordingly.

[0027] ​​​In addition, if the embodiment of the utility model has the description of "first" or "second", etc., the description of "first" or "second" is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0028] As shown in Figures 1 to 7 The embodiment discloses an elevator main rack with shock absorption and noise reduction functions, which comprises a main rack body 1, the main rack body 1 is installed above the counterweight, further comprising counterweight guide rails 2 installed at both ends of the main rack body 1 and car guide rails 3 installed in the middle of the main rack body 1, the counterweight guide rails 2 on both sides are oppositely arranged for guiding the counterweight up and down, and the car guide rails 3 are deviated to the outside of the main rack body 1 for guiding the car, specifically, the both ends of the main rack body 1 are respectively provided with first connecting plates 4 which are symmetrical to each other, the first connecting plate 4 is a right angle structure, and the two counterweight guide rails 2 are respectively fixed to the inner side of the vertical edge of the first connecting plate 4, in addition, the upper side of the horizontal edge of the first connecting plate 4 is also provided with shock absorbing rubber 5, and the specific installation mode is that the bolt is sequentially threaded through the upper surface of the main rack body 1, the shock absorbing rubber 5 and the horizontal edge of the first connecting plate 4 from top to bottom and then fastened and fixed by the nut, preferably, the thickness of the shock absorbing rubber 5 is 80mm, and the bottom end of the bolt is fastened and fixed by double nuts; further, the middle part of the main rack body 1 is also provided with a second connecting plate 6, the structure of the second connecting plate 6 is the same as that of the first connecting plate 4, the car guide rails 3 are installed on the outer side of the vertical edge of the second connecting plate 6, and the upper side of the horizontal edge of the second connecting plate 6 is also provided with the shock absorbing rubber 5, and the specific installation mode is that the bolt is sequentially threaded through the second connecting plate 6, the shock absorbing rubber 5 and the lower surface of the main rack body 1 from bottom to top and then fastened and fixed by the nut.

[0029] In the embodiment, the main rack body 1 comprises a main frame 11 in the shape of "eye" formed by welding a plurality of channel steels, the main frame 11 is horizontally arranged, an upper supporting plate 12 is welded on the top of the main frame 11, the upper supporting plate 12 covers the main frame 11 to form the upper surface of the main rack body 1, a lower supporting plate 13 is welded on the bottom of the main frame 11, and the lower supporting plate 13 covers the middle frame opening to form the lower surface of the main rack body 1, so that it can be determined that the horizontal edge of the second connecting plate 6 is fixed on the lower supporting plate 13 to form the fixation.

[0030] In the embodiment, the counterweight guide rail 2 and the car guide rail 3 have the same structure, both of which are T-shaped structures, the head of the T is the bottom edge 231, and the tail of the T is the guide edge 232, the counterweight guide rail 2 and the car guide rail 3 are fixed on the first connecting plate 4 and the second connecting plate 6 by the bottom edge 231, specifically, two rows of symmetrical assembly holes 460 are arranged on the first connecting plate 4 and the second connecting plate 6, when the counterweight guide rail 2 or the car guide rail 3 is arranged between the two rows of symmetrical assembly holes 460, the counterweight guide rail 2 or the car guide rail 3 is fixed by limiting bolts 461 passing through the assembly holes 460 on both sides of the guide rail, the heads of the limiting bolts 461 on both sides are limited on the bottom edge 231 of the counterweight guide rail 2 or the car guide rail 3, and the counterweight guide rail 2 and the car guide rail 3 are fixed in this way, which can avoid opening holes on the guide rail for fixing, and the structural stability is improved.

[0031] Further, the limiting bolt 461 is composed of a rectangular block-shaped limiting cap 462 and a conventional bolt 463 passing through the limiting cap 462, and the conventional bolt 463 passes through the assembly hole 460 and is limited on the bottom edge 231 of the counterweight guide rail 2 or the car guide rail 3 by the limiting cap 462.

[0032] Further, the assembly hole 460 is a long strip-shaped hole extending in the horizontal direction, and the counterweight guide rail 2 or the car guide rail 3 with different widths can be replaced through the hole, without the need to open new holes, and the practicability is improved.

[0033] In the embodiment, the bottom edge 231 of the counterweight guide rail 2 and the car guide rail 3 is respectively provided with an inclined surface 233, that is, the planes on both sides of the guide edge 232 of the bottom edge 231 of the counterweight guide rail 2 or the car guide rail 3 are arranged to be inclined from inside to outside, so that the thickness of the bottom edge 231 gradually decreases from inside to outside, and the limiting bolts 461 on both sides of the guide rail are limited on the inclined surface 233, so that a relatively inward tightening force is formed, and the stability of the guide rail is improved.

[0034] The above description in the specification is only an example of the utility model, and those skilled in the art of the utility model can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the content of the specification is not deviated or the scope defined by the claims is not exceeded, which shall belong to the protection scope of the utility model.

Claims

1. An elevator main frame with shock-absorbing and noise-reducing functions, comprising a main frame body (1) installed directly above a counterweight, characterized in that: It also includes counterweight guide rails (2) installed at both ends of the main rack body (1) and car guide rails (3) installed in the middle of the main rack body (1), the counterweight guide rails (2) on both sides are oppositely arranged for guiding the counterweight up and down, and the car guide rails (3) are deviated to the outside of the main rack body (1) for guiding the car; the two ends of the main rack body (1) are respectively provided with first connecting plates (4) which are symmetrical to each other, the upper side of the horizontal edge of the first connecting plate (4) is provided with shock-absorbing rubber (5), and the counterweight guide rail (2) is fixed to the inner side of the vertical edge of the first connecting plate (4); the middle part of the main rack body (1) is provided with a second connecting plate (6), and the upper side of the horizontal edge of the second connecting plate (6) is also provided with the shock-absorbing rubber (5), and the car guide rail (3) is installed on the outer side of the vertical edge of the second connecting plate (6).

2. The elevator main frame with shock-absorbing and noise-reducing functions according to claim 1, characterized in that: The first connecting plate (4) is a right-angle structure, and the two counterweight guide rails (2) are respectively fixed to the inner side of the vertical edge of the first connecting plate (4), and the structure of the second connecting plate (6) is the same as that of the first connecting plate (4).

3. The elevator main frame having a shock-absorbing and noise-reducing function according to claim 1 or 2, characterized in that: The thickness of the shock-absorbing rubber (5) is 80mm, and the bolt is sequentially threaded from top to bottom through the upper surface of the main rack body (1), the shock-absorbing rubber (5) and the horizontal edge of the first connecting plate (4), and then is fastened and fixed by a nut, or is sequentially threaded from bottom to top through the second connecting plate (6), the shock-absorbing rubber (5) and the lower surface of the main rack body (1), and then is fastened and fixed by a nut.

4. The elevator main frame with shock-absorbing and noise-reducing functions according to claim 3, characterized in that: The bottom end of the bolt is fastened and fixed by double nuts.

5. The elevator main frame with shock-absorbing and noise-reducing functions according to claim 1, characterized in that: The main rack body (1) comprises a main frame (11) in the shape of a "eye" formed by welding a plurality of channel steels, an upper support plate (12) is welded on the top of the main frame (11), a lower support plate (13) is welded on the bottom of the main frame (11), and the horizontal edge of the second connecting plate (6) is fixed on the lower support plate (13).

6. The elevator main frame having a shock-absorbing and noise-reducing function according to claim 1, characterized in that: The counterweight guide rail (2) and the car guide rail (3) have the same structure and are both T-shaped structures, the head of the T is a bottom edge (231), and the tail of the T is a guide edge (232), the counterweight guide rail (2) and the car guide rail (3) are respectively fixed on the first connecting plate (4) and the second connecting plate (6) by the bottom edge (231).

7. The elevator main frame having a shock-absorbing and noise-reducing function according to claim 5, characterized in that: Two rows of symmetrically arranged assembly holes (460) are arranged on the first connecting plate (4) and the second connecting plate (6), the counterweight guide rail (2) or the car guide rail (3) is arranged between the two rows of symmetrically arranged assembly holes (460), and a limiting bolt (461) is used to pass through the assembly holes (460) on both sides of the guide rail to fix the counterweight guide rail (2) or the car guide rail (3).

8. The elevator main frame having a shock-absorbing and noise-reducing function according to claim 7, characterized in that: The limiting bolt (461) is composed of a limiting cap (462) in the shape of a rectangular block and a conventional bolt (463) passing through the limiting cap (462), and the conventional bolt (463) passes through the assembly hole (460) and abuts against the bottom edge (231) of the counterweight guide rail (2) or the car guide rail (3) through the limiting cap (462).

9. The elevator main frame having a shock-absorbing and noise-reducing function according to claim 7, characterized in that: The assembly hole (460) is a long strip-shaped hole extending in the horizontal direction.

10. The elevator main frame having a shock-absorbing and noise-reducing function according to claim 5, characterized in that: The bottom edge (231) of the counterweight guide rail (2) and the car guide rail (3) is respectively provided with an inclined surface (233), that is, the plane on both sides of the guide edge (232) of the bottom edge (231) of the counterweight guide rail (2) or the car guide rail (3) is arranged to be inclined from inside to outside, so that the thickness of the bottom edge (231) gradually decreases from inside to outside.

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