CN212198061U - Lower beam assembly of portal frame - Google Patents

Abstract

The utility model discloses a portal frame underbeam subassembly, including two bracket frames of trough plate, parallel arrangement and two underbeams of parallel arrangement, spaced apart two notches that are equipped with in bracket frame bottom, two bracket frames erect on the underbeam through the notch, and the underbeam tip passes the bracket frame, and the trough plate is installed between the tip of two underbeams, installs the sedan-chair return pulley in the underbeam tip. The position structure of the lower beam and the bracket frame is optimized, high symmetry is achieved, and the overall height is reduced.

Description

Lower beam assembly of portal frame

Technical Field

The utility model belongs to the technical field of elevator equipment and specifically relates to a portal frame underbeam subassembly is related to.

Background

The underbeam subassembly of traditional elevator car portal frame is as application (patent): CN201720863033.8, a chinese utility model patent, discloses an elevator portal frame and its lower beam assembly, comprising two parallel lower beams, a car bottom wheel and a safety gear, wherein the car bottom wheel is installed between the ends of the lower beams at both sides; the elevator car bottom plate bracket also comprises two symmetrically arranged groove-shaped plates and two bracket frames for mounting the car bottom plate; the bracket frame is fixed with the end part of the lower beam and is arranged perpendicular to the lower beam, and two ends of the bracket frame protrude out of the corresponding lower beam; the groove-shaped plate is fixed on the outer side of the bracket frame and fixed with the outer side edge of one of the lower beams, and the safety gear is arranged in a groove of the groove-shaped plate.

The above-described conventional underbeam assembly has the following problems: 1. the overall structure symmetry is not high, and the center of gravity of the elevator car is easy to shift. 2. The height of the traditional lower beam assembly is larger, and the occupied space height is also larger. This also requires that the depth of the elevator pit must be correspondingly large, increasing the civil cost. 3. The installation of sedan-chair return pulley is inconvenient, has increaseed operating personnel's work load.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a portal frame underbeam subassembly is provided, optimizes the position structure of underbeam and bracket frame, presents high symmetry, reduces holistic height.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: portal frame underbeam subassembly, including slotted plate, parallel arrangement's two bracket frames and parallel arrangement's two underbeams, bracket frame bottom spaced apart be equipped with two notches, two bracket frames erect on the underbeam through the notch, underbeam tip pass the bracket frame, slotted plate install between the tip of two underbeams, underbeam tip in install the sedan-chair return pulley.

The utility model discloses further preferred scheme: the cross section of the lower beam forms an n-shaped structure, and the car bottom wheel is positioned in the lower beam.

The utility model discloses further preferred scheme: the end part of the lower beam is provided with a mounting groove along the width direction, two car bottom wheels positioned at the same side are connected through a shaft piece, the shaft piece is positioned in the mounting groove, and two ends of the shaft piece are fixed with the outer wall of the lower beam through end sockets.

The utility model discloses further preferred scheme: the shaft piece is embedded into the mounting groove from the lower part of the lower beam.

The utility model discloses further preferred scheme: the inner wall of the groove-shaped plate is provided with a safety gear.

The utility model discloses further preferred scheme: the safety tongs are connected with push rods, the push rods are located on the outer sides of the groove-shaped plates, and the two push rods are hinged with a linkage rod.

The utility model discloses further preferred scheme: and two ends of the linkage rod penetrate out of the bracket frame.

The utility model discloses further preferred scheme: and guide shoes are arranged on the inner wall of the groove-shaped plate.

The utility model discloses further preferred scheme: a cross beam is further arranged between the two lower beams, and the cross beam is located in the middle of the lower beams and is parallel to the bracket frame.

Compared with the prior art, the utility model has the advantages of, spaced apart two notches that are equipped with in bracket frame bottom, two notches are used for installing two underbeams respectively, and in the underbeam embedded groove mouth, two bracket frames constitute "well" font with two underbeams. The utility model discloses a set up the notch, set up underbeam and bracket frame on being close to same height, reduced by a wide margin the utility model discloses a whole height has reduced the requirement to the degree of depth of elevator pit, has reduced the cost of civil engineering.

The utility model discloses set up the slot type board and install between the tip of two underbeams, the sedan-chair return pulley is installed in the underbeam tip. Therefore, the utility model discloses an overall structure arranges for high symmetry, no matter about on the direction, still on the front and back direction again, all presents the structure setting of high symmetry. The problem of the center of gravity shift of the elevator can be effectively corrected within a certain range.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a cross-sectional view of the shaft of the present invention.

Wherein the reference numerals are specified as follows: the device comprises a groove-shaped plate 1, a bracket frame 2, a lower beam 3, a notch 4, a car bottom wheel 5, a mounting groove 6, a shaft piece 7, a seal head 8, safety tongs 9, guide shoes 10, a push rod 11, a linkage rod 12 and a cross beam 13.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 and 2: portal frame underbeam subassembly, including slotted plate 1, parallel arrangement's two bracket frames 2 and parallel arrangement's two underbeams 3, two notches 4 have been seted up at 2 bottom intervals of bracket frame, and two bracket frames 2 erect on the underbeam 3 through notch 4, and 3 tip of underbeam pass bracket frame 2, and slotted plate 1 is installed between the tip of two underbeams 3, installs sedan-chair return pulley 5 in the 3 tip of underbeam.

The cross section of the lower beam 3 forms an n-shaped structure, and the car bottom wheel 5 is positioned in the lower beam 3. The utility model discloses set up underbeam 3 and be n shape structure, then 3 both sides of underbeam will wrap up in the 5 outsides of sedan-chair return pulley, and sedan-chair return pulley 5 will be by fine hiding in underbeam 3. In practical application, the bottom surface of the platform wheel 5 extends out of the bottom surface of the lower beam 3 and is used for connecting with a steel belt and other structures.

Specific as shown in fig. 3, the utility model provides a sedan-chair return pulley 5 installs in underbeam 3 through axle 7, and mounting groove 6 has been seted up along its width direction to the tip of underbeam 3, and the cross section of this mounting groove 6 becomes n-shaped structure, and the below opening of mounting groove 6 promptly can supply to connect the axle 7 of sedan-chair return pulley 5 and insert, and the upper portion of mounting groove 6 is semi-circular structure, the superstructure of adaptation axle 7 that can be fine. The utility model discloses be provided with four sedan-chair return pulleys 5, be located two tip of two underbeams 3 respectively, be located and connect through axle 7 between two sedan-chair return pulleys 5 of homonymy, axle 7 is located mounting groove 6.

The utility model discloses an installation mode is: the shaft member 7 is inserted into the mounting groove 6 from below the lower beam 3. Then, two ends of the shaft 7 are fixed with the outer wall of the lower beam 3 through the end sockets 8. The utility model discloses a head 8 can be fixed in advance and 7 both ends of axle piece, insert mounting groove 6 back at axle piece 7, operating personnel can accomplish the assembly with head 8 through the outer wall of bolt isotructure lock in underbeam 3. Compare in 5 positions of traditional predetermined sedan-chair return pulley, then pass the mounting means of underbeam 3, sedan-chair return pulley 5 in proper order from the side through axle 7, the utility model discloses a structure sets up for sedan-chair return pulley 5's installation convenient and fast more.

The utility model discloses rationally arrange safety tongs 9 and lead the position of boots 10, safety tongs 9 is installed to 1 inner wall of cell type board. The guide shoe 10 is arranged on the inner wall of the channel plate 1. As shown in fig. 2, the slot plate 1 of the present invention is a bent plate structure, and the safety tongs 9 and the guide shoes 10 can be better hidden in the slot plate 1, so that the arrangement is reasonable and the structure is compact.

More specifically, the safety gear 9 is connected with push rods 11, the push rods 11 are positioned on the outer side of the channel plate 1, and the two push rods 11 are hinged with a linkage rod 12. Two ends of the linkage rod 12 penetrate through the bracket frame 2.

In order to strengthen the utility model discloses an overall structure, the utility model discloses a still be provided with crossbeam 13 between two underbeams 3, crossbeam 13 is located the middle part of underbeams 3 and is on a parallel with the setting of bracket frame 2. Further consolidate the structure of two underbeams 3 through crossbeam 13, effectively improve the utility model discloses a structural strength. The cross beam 13 may be used for mounting a bumper.

Furthermore, the utility model discloses a both ends top of bracket frame 2 is provided with the blotter for at the bottom of the installation elevator sedan-chair. And the outer side of the bracket frame 2 (namely, the outer side of the bracket frame is at the same side with the groove-shaped plate 1) is also provided with a baffle which is of a plate body structure with vertical arrangement and bent two sides, and the baffle can effectively prevent the car from shaking left and right.

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 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.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. Portal frame underbeam subassembly, including slotted plate, parallel arrangement's two bracket frames and parallel arrangement's two underbeams, its characterized in that bracket frame bottom spaced apart be equipped with two notches, two bracket frames erect on the underbeam through the notch, underbeam tip pass the bracket frame, slotted plate install between the tip of two underbeams, underbeam tip in install the sedan-chair return pulley.

2. The gantry lower beam assembly of claim 1, wherein said lower beam has an n-shaped cross-section, and said platform wheel is positioned within said lower beam.

3. The portal frame underbeam assembly of claim 2, wherein the end of the underbeam is provided with an installation groove along the width direction thereof, the two car bottom wheels positioned on the same side are connected through a shaft, the shaft is positioned in the installation groove, and two ends of the shaft are fixed to the outer wall of the underbeam through end sockets.

4. The gantry lower beam assembly of claim 3, wherein said axle member is inserted into said mounting groove from below said lower beam.

5. The gantry lower beam assembly of claim 1, wherein safety tongs are installed on the inner wall of the channel plate.

6. The gantry lower beam assembly according to claim 5, wherein the safety tongs are connected with push rods, the push rods are positioned outside the channel plates, and the two push rods are hinged with a linkage rod.

7. The gantry lower beam assembly of claim 6, wherein both ends of said linkage rod penetrate through the bracket frame.

8. The gantry lower beam assembly of claim 1, wherein guide shoes are installed on the inner wall of the channel plate.

9. The portal frame underbeam assembly of claim 1, further comprising a cross beam disposed between the two underbeams, wherein the cross beam is disposed at a middle portion of the underbeams and is parallel to the bracket rim.

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