CN221070576U - Combined rope end pull rod device - Google Patents

Abstract

The utility model provides a combined rope head pull rod device, which comprises a support plate, wherein two first perforations which are symmetrically arranged are formed in the lower surface of the support plate, rope head rods which are used for connecting a traction rope are respectively inserted into the two first perforations, the upper side of the support plate is provided with a rope head plate which is arranged in parallel with the support plate, the lower surface of the rope head plate is provided with two second perforations, the upper end of the rope head rod penetrates through the second perforations and is in threaded connection with nuts, rope head springs are sleeved at the positions of the rope head rod, which are positioned between the support plate and the rope head plate, two ends of each rope head spring are fixedly connected with discs, and the discs are sleeved on the rope head rod and respectively in sliding contact with the support plate and the rope head plate: the reaction force generated by the rope head spring in the compression process is dispersed at a plurality of positions of the support plate and the rope head plate, so that the abrasion speed of the support plate and the rope head plate is delayed.

Description

Combined rope end pull rod device

Technical Field

The utility model relates to a combined rope head pull rod device, and belongs to the field of elevator rope heads.

Background

The rope pulling device comprises a support plate, a rope head rod, a rope head plate and a rope head spring, wherein the support plate is fixed on the inner wall of an elevator shaft, the rope head rod penetrates through the support plate and the rope head plate, the rope head spring is sleeved on the rope head rod and is arranged between the support plate and the rope head plate, the rope head of the hoisting rope is connected to the other end of the rope head rod through a special connecting piece, the rope head plate and the support plate jointly compress the rope head spring when moving downwards to play a role in damping, the end part of the rope head spring can relatively slide with the contact part of the support plate and the contact part of the rope head plate in the compression process, so that the end part of the rope head spring can wear the contact part of the support plate and the rope head plate, and the reaction force generated by the rope head spring in the extrusion process acts on the small area of the support plate and the rope head plate, so that the wear speed of the support plate and the rope head plate is increased, the service life of the support plate is influenced, and the combined rope head spring reaction force dispersing device is required to be designed.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a combined rope end pull rod device so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a combination rope head pull rod device, includes the mounting panel, two symmetrical arrangement's first perforation has been seted up to the mounting panel lower surface, two all install the rope head pole that is used for connecting the hoist rope in the first perforation, the mounting panel upside is equipped with the rope head board with mounting panel parallel arrangement, two second perforation have been seted up to rope head board lower surface, rope head pole upper end runs through the second perforation and threaded connection has the nut, the position cover that the rope head pole is in mounting panel and rope head board is equipped with the rope head spring, the both ends of rope head spring all are connected with the disc, the disc cover is established on the rope head pole, two the disc respectively with mounting panel, rope head board sliding contact.

Further, the support plate upper surface undercut forms two recesses, the recess communicates with each other with first perforation, install two guard plates in the recess, the guard plate passes through the screw and is connected fixedly with the support plate, two semicircular grooves have all been seted up to guard plate opposite face middle part position, the rope head pole runs through the space that two semicircular grooves formed, disc and guard plate sliding contact.

Further, both ends of the rope hitch plate are connected and fixed with blocking rods used for limiting the minimum distance between the rope hitch plate and the support plate, and the blocking rods are vertically arranged.

Further, a plurality of positioning heads are fixedly connected to the upper end of the blocking rod, a plurality of positioning holes matched with the positioning heads are formed in the position where the rope head plate is provided with the blocking rod, and the positioning heads are fixed in the positioning holes.

Further, support lugs are fixedly connected to two ends of the support plate, and a plurality of mounting holes for mounting expansion bolts are formed in opposite faces of the support lugs.

Further, a screw hole is formed in the outer surface of the upper end of the rope head rod, the screw hole is arranged along the radial direction of the rope head rod, and a limit screw is connected in the screw hole in a threaded manner.

Further, a blind hole is formed in one surface of the disc, facing the rope head spring, and the end part of the rope head spring is fixed in the blind hole.

The utility model has the beneficial effects that:

1. The two ends of the rope head spring are respectively provided with the discs, the two discs are sleeved on the rope head rod, at the moment, the two discs are respectively attached to the surfaces of the support plate and the rope head plate, the contact mode of the end part of the rope head spring with the support plate and the rope head plate is converted from line-to-surface contact to surface-to-surface contact, namely, the contact area of the end part of the rope head spring with the support plate and the rope head plate is increased, the reaction force generated by the rope head spring in the compression process is dispersed at a plurality of positions of the support plate and the rope head plate, and the abrasion speed of the support plate and the rope head plate is delayed.

2. The groove is formed in the area, right below the disc, of the support plate, two detachable protection plates are installed in the groove, and then the disc at the lower end of the rope head spring is prevented from being directly contacted with the support plate under the blocking of the protection plates, when the protection plates are worn and replaced, the protection plates are detached, and the support plate fixed on the elevator shaft wall is not required to be replaced.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a combined rope hitch of the present utility model;

FIG. 2 is a schematic diagram showing the assembly of a connecting lug and a bracket plate in a combined rope hitch lever apparatus according to the present utility model;

FIG. 3 is a perspective view of a rope hitch plate in a combination hitch pull apparatus of the present utility model;

fig. 4 is a perspective view of a protection plate in a combined rope hitch of the present utility model;

in the figure: 1-supporting plate, 2-disc, 3-rope head spring, 4-stop lever, 5-rope head plate, 6-limit screw, 7-nut, 8-guard plate, 9-support lug, 10-mounting hole, 11-rope head lever, 12-recess, 13-first perforation, 14-second perforation, 15-locating hole, 16-semicircle groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a combination rope head pull rod device, includes mounting panel 1, and the both ends of mounting panel 1 are all connected and are fixed with journal stirrup 9, and a plurality of mounting holes 10 that are used for installing expansion bolts are all seted up to two journal stirrup 9 opposite surfaces, utilize expansion bolts to install journal stirrup 9 on the elevator shaft wall, accomplish the restriction to mounting panel 1 position.

Referring to fig. 1, 2 and 3, two first through holes 13 which are symmetrically arranged are formed in the lower surface of the support plate 1, rope end rods 11 which are used for connecting a hoisting rope are respectively inserted into the two first through holes 13, rope end plates 5 which are arranged in parallel with the support plate 1 are arranged on the upper side of the support plate 1, two second through holes 14 are formed in the lower surface of the rope end plates 5, the upper ends of the rope end rods 11 penetrate through the second through holes 14 and are in threaded connection with nuts 7, at the moment, rope end springs 3 sleeved on the rope end rods 11 are arranged between the support plate 1 and the rope end plates 5, limit screws 6 are connected with inner threads of screw holes which are formed in the outer surfaces of the upper ends of the rope end rods 11 and are arranged along the radial direction of the rope end rods 11, and the nuts 7 are prevented from falling from the rope end rods 11 at will under the action of the limit screws 6.

Referring to fig. 1, two ends of a rope end spring 3 are connected and fixed with a disc 2, wherein the end part of the rope end spring 3 is fixed in a blind hole formed in one surface of the disc 2 facing the rope end spring 3, the connection range of the rope end spring 3 and the disc 2 is improved, two discs 2 sleeved on a rope end rod 11 are respectively in sliding contact with a support plate 1 and a rope end plate 5, the discs 2 are mounted at two ends of the rope end spring 3, the two discs 2 are sleeved on the rope end rod 11, at the moment, the two discs 2 are respectively attached to the surfaces of the support plate 1 and the rope end plate 5, the contact mode of the end part of the rope end spring 3 with the support plate 1 and the rope end plate 5 is converted from line surface contact to surface contact, namely the contact area of the end part of the rope end spring 3 with the support plate 1 and the rope end plate 5 is increased, the reaction force generated in the compression process of the rope end spring 3 is dispersed at a plurality of positions of the support plate 1 and the rope end plate 5, and the wear speeds of the support plate 1 and the rope end plate 5 are delayed.

Referring to fig. 1, 2 and 4, the upper surface of the support plate 1 is recessed downwards to form two grooves 12 communicated with the first through holes 13, two protection plates 8 are installed in the grooves 12, the protection plates 8 are fixedly connected with the support plate 1 through screws, semicircular grooves 16 are formed in the middle positions of the opposite surfaces of the two protection plates 8, a rope head rod 11 penetrates through the space formed by the two semicircular grooves 16, the disc 2 is in sliding contact with the protection plates 8, the grooves 12 are formed in the area of the support plate 1 right below the disc 2, two detachable protection plates 8 are installed in the grooves 12, further, the disc 2 at the lower end of the rope head spring 3 is prevented from being directly contacted with the support plate 1 under the blocking of the protection plates 8, and when the protection plates 8 are worn and are required to be replaced, the support plate 8 is detached, and the support plate 1 fixed on the elevator well wall does not need to be replaced.

Referring to fig. 1 and 3, two ends of the rope end plate 5 are connected and fixed with a blocking rod 4 which is used for limiting the minimum distance between the rope end plate 5 and the support plate 1 and is vertically arranged, a plurality of positioning heads are fixedly connected to the upper end of the blocking rod 4, a plurality of positioning holes 15 matched with the positioning heads are formed in the position where the rope end plate 5 is installed and used for fixing the positioning heads in the positioning holes 15, the stability of connection between the blocking rod 4 and the rope end plate 5 is improved, the rope end plate 5 is driven to move downwards when moving downwards, the support plate 1 limits the blocking rod 4 to move downwards continuously when the lower end of the blocking rod 4 is contacted with the support plate 1, and at the moment, the distance between the rope end plate 5 and the support plate 1 is limited, so that the rope end spring 3 is prevented from being excessively extruded and damaged.

Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a combination rope end pull rod device, includes mounting panel (1), its characterized in that: two first perforation (13) of symmetrical arrangement have been seted up to mounting panel (1) lower surface, two all install in first perforation (13) and be used for connecting rope hauling rope's fag end pole (11), mounting panel (1) upside is equipped with fag end board (5) with mounting panel (1) parallel arrangement, two second perforation (14) have been seted up to fag end board (5) lower surface, fag end pole (11) upper end runs through second perforation (14) and threaded connection has nut (7), fag end pole (11) are in the position cover of mounting panel (1) and fag end board (5) is equipped with fag end spring (3), the both ends of fag end spring (3) are all connected and are fixed with disc (2), disc (2) cover is established on fag end pole (11), two disc (2) are respectively with mounting panel (1), fag end board (5) sliding contact.

2. A modular rope hitch apparatus as claimed in claim 1, wherein: the upper surface of the support plate (1) is downwards sunken to form two grooves (12), the grooves (12) are communicated with the first perforation (13), two protection plates (8) are arranged in the grooves (12), the protection plates (8) are fixedly connected with the support plate (1) through screws, the two semicircular grooves (16) are formed in the middle positions of the opposite surfaces of the protection plates (8), the rope head rods (11) penetrate through the space formed by the two semicircular grooves (16), and the disc (2) is in sliding contact with the protection plates (8).

3. A modular rope hitch apparatus as claimed in claim 1, wherein: both ends of the rope head plate (5) are connected and fixed with blocking rods (4) used for limiting the minimum distance between the rope head plate (5) and the support plate (1), and the blocking rods (4) are vertically arranged.

4. A modular rope hitch apparatus as claimed in claim 3, wherein: the upper end of the blocking rod (4) is fixedly connected with a plurality of positioning heads, a plurality of positioning holes (15) matched with the positioning heads are formed in the position where the rope head plate (5) is arranged on the blocking rod (4), and the positioning heads are fixed in the positioning holes (15).

5. A modular rope hitch apparatus as claimed in claim 1, wherein: both ends of the support plate (1) are connected and fixed with lugs (9), and a plurality of mounting holes (10) for mounting expansion bolts are formed in opposite surfaces of the lugs (9).

6. A modular rope hitch apparatus as claimed in claim 1, wherein: screw holes are formed in the outer surface of the upper end of the rope head rod (11), the screw holes are arranged along the radial direction of the rope head rod (11), and limit screws (6) are connected in the screw holes in a threaded mode.

7. A modular rope hitch apparatus as claimed in claim 1, wherein: a blind hole is formed in one surface, facing the rope head spring (3), of the disc (2), and the end part of the rope head spring (3) is fixed in the blind hole.