CN217484007U - Traction steel wire rope tensile property detection device for hydraulic drive elevator - Google Patents

Abstract

The utility model discloses a tensile performance testing device of a traction wire rope used for a hydraulically driven elevator, comprising: a frame, a driving piece, a block body, a block body 2, a pressing piece, the driving piece is installed on the frame, and the driving piece There is a driving end that moves vertically, the first block is installed on the driving end, the second block is installed on the frame, there are two pressing parts and are respectively installed on the first block and the second block, and the pressing part and the block one are installed. A pressing groove 1 is formed therebetween, a pressing groove 2 is formed between the pressing piece and the block 2, and the pressing groove 1 and the pressing groove 2 are respectively used for connecting the ends of the wire ropes. The end of the wire rope is pressed into the corresponding pressing groove 1 and pressing groove 2 by the pressing member, and the pressing member provides the positioning pressure to the wire rope, thereby improving the positioning stability of the wire rope.

Description

Testing device for tensile properties of traction wire ropes for hydraulically driven elevators

technical field

The utility model relates to the technical field of wire rope tensile performance detection, in particular to a traction wire rope tensile performance detection device for hydraulically driven elevators.

Background technique

As an essential component of hydraulic elevators, the tensile performance of steel wire ropes is directly related to the safety of the elevator. Therefore, as the traction wire ropes of hydraulically driven elevators, the tensile performance must be tested before leaving the factory.

The existing detection method is to clamp the two ends of the wire rope by two sets of clamping blocks, and then pull the two sets of clamping blocks through the cylinder to stretch the wire rope, so as to test the tensile performance of the wire rope; however, the existing method is sufficient. This kind of detection method, during the stretching process, the wire rope is easy to slip off, which affects the normal detection and reduces the detection efficiency.

Utility model content

The present application provides a device for testing the tensile performance of a traction wire rope used for a hydraulically driven elevator, which is used to improve the stability of the structure after the wire ropes are connected.

An embodiment of the present application provides a device for testing the tensile performance of a traction wire rope for a hydraulically driven elevator, including:

frame;

a driving member, the driving member is mounted on the frame, and the driving member has a driving end that moves vertically;

Block 1, the block 1 is installed on the driving end;

The second block, the second block is installed on the rack;

There are two pressing pieces, which are respectively installed on the first block and the second block, and a pressing groove is formed between the pressing piece and the first block. A second pressing groove is formed between the tightening piece and the second block, and the first pressing groove and the second pressing groove are respectively used to connect the ends of the wire rope.

The beneficial effect of the above embodiment is that: the end of the wire rope is pressed into the corresponding pressing groove 1 and the pressing groove 2 by the pressing member, and the pressing member provides the pressure for positioning the wire rope, thereby improving the positioning of the wire rope. stability.

On the basis of the foregoing embodiments, the embodiments of the present application can also be improved as follows:

In one of the embodiments of the present application: the first block is disposed directly above the second block; the first block is provided with a taper hole 1 with a downward taper point, and the second block is provided with a taper point The upward taper hole 2, the pressing member is a conical structure, the pressing member is vertically movable in the tapered hole 1 and the tapered hole 2, and the pressing member located in the tapered hole 1 The conical tip of the pressing piece is set downward, the first pressing groove is between the first taper hole and the pressing piece, and the conical tip of the pressing piece located in the second taper hole is set upward, The second pressing groove is located between the second taper hole and the pressing member. Beneficial effect of this step: the steel wire rope applies pressure to the pressing piece. Since the pressing piece, the first taper hole and the second taper hole are all tapered structures, the pressing piece will press the steel wire rope against the first pressing groove and the pressing piece. The groove wall of groove 2 improves the positioning stability of the wire rope during the tension process.

In one of the embodiments of the present application, the side walls of the first and second tapered holes are provided with vertically arranged waist-shaped holes, and two sides of the pressing member are protruded with slidingly arranged on the waist. guide rod in the hole. The beneficial effect of this step is that the connection structure in which the pressing member is movable along the vertical position is realized through the cooperation between the guide rod and the waist-shaped hole.

In one of the embodiments of the present application: it further includes a guide member, the guide member is vertically installed on the frame, and the block body is slidably arranged on the guide member. Beneficial effect of this step: the stability of the block-one movement is improved by the guide piece.

In one of the embodiments of the present application: it further includes: a guide sleeve, the guide sleeve is installed on the first block body, and the guide sleeve is slidably sleeved on the outer side of the guide member. The beneficial effect of this step: by setting the guide sleeve, the wear of the first block is reduced and the smoothness of the movement of the first block is improved.

In one of the embodiments of the present application: it further comprises: a casing, the casing is covered outside the frame. The beneficial effect of this step is that the safety of the detection device in use is improved by arranging the casing.

In one embodiment of the present application, an arc-shaped groove is formed on the outer peripheral surface of the pressing member, and the arc-shaped groove is used for placing the steel wire rope. The beneficial effect of this step: the stability of the positioning of the steel wire rope is improved through the arc groove.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings required for the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

Fig. 1 is the structural representation one of the utility model;

Fig. 2 is the structural representation two of the utility model;

Fig. 3 is the structural schematic diagram of the guide rod in the block one;

Fig. 4 is the structural schematic diagram of the guide rod in the second block;

FIG. 5 is a schematic structural diagram of the utility model in operation.

Among them, 1 frame, 2 driving parts, 3 blocks one, 4 blocks two, 5 pressing parts, 6 pressing grooves one, 7 pressing grooves two, 8 waist holes, 9 guide rods, 10 compression springs, 11 slot one, 12 slot two, 13 positioning surface, 14 positioning column, 15 arc groove, 16 guide piece, 17 guide sleeve.

Detailed ways

In this application, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixation", "fixed connection" and other terms should be understood in a broad sense, for example, it may be a fixed connection, or It can be detachable connection or integrated; it can be mechanical connection. The way of mechanical connection can be selected in the prior art, such as welding, riveting, screw connection, bonding, pin connection, key connection, elastic deformation Connection, snap connection, interference connection, and injection molding are used to achieve structural connection; it can also be an electrical connection, which transmits energy or signals through electricity; it can be directly connected or indirectly connected through an intermediate medium, and it can be two. A connection within an element or an interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

specific embodiment

As shown in Figure 1, a device for testing the tensile performance of a traction wire rope for a hydraulically driven elevator includes: a frame 1, a driving member 2, a block 1 3, a block 2 4, a pressing member 5, and a driving member 2 Installed on the frame 1, the driving member 2 has a driving end that moves vertically, the block one 3 is installed on the driving end, the block two 4 is installed on the frame 1, and there are two pressing members 5, which are respectively installed on the block body. One 3 and block two 4, a pressing groove one 6 is formed between the pressing member 5 and the block one 3, a pressing groove two 7 is formed between the pressing member 5 and the block two 4, and the pressing groove one 6 and The two pressing grooves 7 are respectively used to connect the ends of the wire ropes.

The driving part 2 adopts an air cylinder or a hydraulic cylinder, and the driving end is the end of the piston rod of the air cylinder or the hydraulic cylinder;

As shown in Fig. 1, block one 3 is arranged directly above block two 4, block one 3 is provided with a taper hole 1 with the cone tip downward, and block two 4 is provided with a taper hole 2 with the cone tip pointing upwards. The pressing member 5 is of a conical structure, and the pressing member 5 is vertically movable in the first and second cone holes. Between the pressing members 5 is a pressing groove 1 6, the cone tip of the pressing member 5 located in the second taper hole is set upward, and between the second cone hole and the pressing member 5 is a pressing groove 2 7, through the pressing member 5. Compress the wire rope in the taper hole 1 and taper hole 2, so as to improve the stability of the wire rope positioning.

As shown in FIGS. 2 and 3 , the side walls of the first and second tapered holes are provided with waist-shaped holes 8 arranged vertically, and two sides of the pressing member 5 are protruded with slidingly arranged in the waist-shaped holes 8 The guide rod 9, a compression spring 10 is also arranged between the guide rod 9 and the waist-shaped hole 8, the upper end face of the waist-shaped hole 8 in the block one 3 is provided with a slot one 11, and the waist-shaped hole in the block two 4 is provided. The lower end face of the 8 is provided with a second slot 12. One end of the compression spring 10 is inserted into the first slot 11 and the second slot 12. The outer periphery of the guide rod 9 is milled with a positioning surface 13 corresponding to the compression spring 10. The positioning surface 13 is The surface of the positioning surface 13 is protruded with a positioning column 14. The other end of the compression spring 10 is close to the positioning surface 13 and is sleeved on the outside of the positioning column 14. Compress the wire rope against the groove walls of the first 6 and second 7 compression grooves.

As shown in FIG. 4 , the outer peripheral surface of the pressing member 5 is provided with an arc-shaped groove 15 . The arc-shaped groove 15 is used for placing the wire rope. The arc-shaped groove 15 can improve the positioning stability of the wire rope.

As shown in Figures 1 and 4, the traction wire rope tensile performance testing device further includes: a guide member 16 and a guide sleeve 17, the guide member 16 is a cylindrical rod-shaped structure, and the guide member 16 is vertically installed on the frame 1 , the guide sleeve 17 is installed on the block one 3, the guide sleeve 17 is slidably sleeved on the outer side of the guide member 16, and the cooperation between the guide sleeve 17 and the guide member 16 improves the stability of the block one 3 along the vertical movement.

The device for testing the tensile performance of the traction wire rope further comprises: a casing and a door, the casing is covered on the outside of the frame 1, an opening is provided on the surface of the casing, one end of the door is hinged to the casing, and the other end of the door can be opened by a latch It is connected to the outer casing in the form of a type, and the opening and closing are realized by the door body. By setting the casing, the wire rope is prevented from moving to the outside of the frame 1 after being disconnected, and the protection performance for the staff is improved.

As shown in Figure 5, when the device for testing the tensile performance of the traction wire rope used for hydraulically driven elevators is in use, the end of the wire rope is bent into a structure that matches the shape of the pressing member 5, and the end of the wire rope is inserted into Hook in the corresponding arc-shaped groove 15, and then start the driving member 2, so that the driving member 2 can perform a tensile test on the wire rope. It is also a tapered structure, so that the wire rope will exert pressure on the inner wall of the compression groove 1 6 and the compression groove 2 7 during the tension process of the wire rope. The pressure of the first part pressing on the pressing groove 1 6 and the pressing groove 2 7 is also greater, that is, the tensile force of the wire rope is proportional to the pressure of the pressing member 5 on the bending part of the wire rope, so that the stability of the positioning of the end of the wire rope can be improved. sex.

The above are only the embodiments of the present utility model, the common knowledge such as the well-known specific structures and characteristics in the scheme are not described too much here, and those of ordinary skill in the art know that the utility model belongs to the technical field before the filing date or the priority date. Technical knowledge, can know all the prior art in this field, and have the ability to apply conventional experimental means before the date, those of ordinary skill in the art can improve and implement this scheme in combination with their own ability under the enlightenment given in this application, Some typical well-known structures or well-known methods should not be an obstacle to those skilled in the art from practicing the present application. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the present utility model, several deformations and improvements can also be made, which should also be regarded as the protection scope of the present utility model, and these will not affect the present utility model. The effect of the implementation of the new model and the practicability of the patent.

Claims (7)

1. a traction wire rope tensile performance testing device for hydraulically driven elevator, is characterized in that, comprising: frame; a driving member, the driving member is mounted on the frame, and the driving member has a driving end that moves vertically; Block 1, the block 1 is installed on the driving end; The second block, the second block is installed on the rack; There are two pressing pieces, which are respectively installed on the first block and the second block, and a pressing groove is formed between the pressing piece and the first block. A second pressing groove is formed between the tightening piece and the second block, and the first pressing groove and the second pressing groove are respectively used to connect the ends of the wire rope. 2 . The tensile performance testing device for traction wire ropes according to claim 1 , wherein the first block is arranged directly above the second block; 2 . The first block is provided with a taper hole 1 with the cone tip downward, the block body 2 is provided with a taper hole 2 with the cone tip upward, and the pressing member is a conical structure, and the pressing member can be vertically movable. The first and second taper holes are movably arranged in the taper hole 1 and the taper hole 2, the taper tip of the pressing piece located in the taper hole 1 is set downward, and the space between the taper hole 1 and the pressing piece is the same. In the first pressing groove, the conical tip of the pressing member located in the second tapered hole is disposed upward, and the second pressing groove is located between the second tapered hole and the pressing member. 3 . The device for testing the tensile performance of traction wire ropes according to claim 2 , wherein the side walls of the first and second tapered holes are provided with vertically arranged waist-shaped holes, and the pressing member 3 . The two sides of the device are protruded with guide rods slidably arranged in the waist-shaped holes. 4. The device for testing the tensile performance of a traction wire rope according to claim 1, further comprising: A guide piece, the guide piece is vertically installed on the frame, and the block body is slidably arranged on the guide piece. 5. The device for testing the tensile performance of a traction wire rope according to claim 4, further comprising: A guide sleeve, the guide sleeve is installed on the first block, and the guide sleeve is slidably sleeved on the outer side of the guide piece. 6. The device for testing the tensile performance of a traction wire rope according to claim 1, further comprising: a shell, the shell cover is arranged on the outside of the frame. 7 . The tensile performance testing device of a traction wire rope according to claim 1 , wherein an arc-shaped groove is formed on the outer peripheral surface of the pressing member, and the arc-shaped groove is used for placing the wire rope. 8 .

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