CN216955895U

CN216955895U - Cable fire resistance characteristic testing machine

Info

Publication number: CN216955895U
Application number: CN202220127377.3U
Authority: CN
Inventors: 张元林; 索星
Original assignee: Nanjing Hezong Electric Power Industry Co ltd
Current assignee: Nanjing Hezong Electric Power Industry Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-07-12
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a cable fire resistance testing machine which comprises a control base, a combustion chamber and a smoke exhaust pipe, wherein the combustion chamber is arranged on the upper side of the control base, a smoke collecting hood is arranged on the upper side of the combustion chamber, the smoke exhaust pipe is arranged on the upper side of the smoke collecting hood, a turnover plate is rotatably connected inside the smoke exhaust pipe, a rotary motor is connected to one side of the turnover plate in a key connection mode, a sliding clamp plate is connected to the inner side wall of the combustion chamber in a sliding mode, and a cable supporting frame is arranged on one side, far away from the wall of the combustion chamber, of the sliding clamp plate. According to the utility model, through the arrangement of the sliding clamping plate and the cable supporting frame, when the cable fire resistance testing machine is used, the distance between the cable supporting frames is adjusted in a sliding manner in the limiting sliding groove of the combustion chamber through the sliding clamping plate, so that the fire resistance detection of the cable meets the actual requirement.

Description

Cable fire resistance characteristic testing machine

Technical Field

The utility model belongs to the technical field of cable fire resistance testing machines, and particularly relates to a cable fire resistance testing machine.

Background

When the cable is in use, the fire resistance of the cable needs to be detected through a fire resistance testing machine, and then the fire resistance of the cable is accurately measured, so that the quality of the cable is ensured.

When the existing cable fire resistance testing machine is used, the distance between the cable supporting frames is fixed, and the cable supporting frames cannot be adjusted according to actual use requirements, so that the fire resistance of the cable cannot be detected and actual requirements cannot be met, and meanwhile, the existing testing machine is lack of a device for adjusting smoke discharge amount in a smoke discharge pipe when in use, so that the combustion process cannot be controlled, and the testing accuracy is influenced.

The present invention has been made in view of this situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a cable fire resistance tester, and in order to solve the technical problems, the utility model adopts the basic concept of the technical scheme that:

cable fire resistance characteristic testing machine, including control base, burning storehouse and the pipe of discharging fume, the control base upside is provided with the burning storehouse, the burning storehouse upside is provided with and gathers the petticoat pipe, it is provided with to gather the petticoat pipe upside discharge fume the pipe, the intraductal rotation of discharging fume is connected with the returning face plate, returning face plate one side key-type connection has rotating electrical machines, burning storehouse inside wall sliding connection has sliding clamp plate, sliding clamp plate keeps away from burning bulkhead one side is provided with the cable support frame.

The side central point puts and is provided with the spout on the control base, be provided with the lead screw in the spout, lead screw one end key-type is connected with servo motor.

The lead screw is provided with a sliding block in a penetrating mode, the upper side of the sliding block is connected with a supporting rod through a screw, and the upper end of the supporting rod is connected with a flat nozzle through a bolt.

The inside symmetry lateral wall in combustion chamber is provided with the tight seat of electric wire clamp, the tight seat of electric wire clamp with the combustion chamber passes through screwed connection, the cable support frame with the combustion chamber passes through the slip splint are connected.

The smoke exhaust pipe is welded with the smoke collecting cover, and the rotating motor is connected with the side wall of the smoke exhaust pipe through a screw.

Gather the petticoat pipe with the combustion bin passes through bolted connection, the combustion bin with control base passes through the screw connection.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects.

1. According to the utility model, through the arrangement of the sliding clamping plate and the cable supporting frame, when the cable fire resistance testing machine is used, the distance between the cable supporting frames is adjusted in a sliding manner in the limiting sliding groove of the combustion chamber through the sliding clamping plate, so that the fire resistance detection of the cable meets the actual requirement;

2. according to the utility model, through the arrangement of the smoke exhaust pipe, the rotating motor and the turnover plate, when the testing machine is used, the rotating motor drives the turnover plate to rotate in the smoke exhaust pipe to adjust the smoke exhaust amount, so that the combustion process is controlled, and the test measurement accuracy is ensured.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the cable support of the present invention;

FIG. 3 is a schematic right-view structural view of the slider and the support rod of the present invention;

FIG. 4 is a schematic view of the main cross-sectional structure of the smoke exhaust pipe of the present invention.

In the figure: 1-a control base; 2-a combustion bin; 3-wire clamping seat; 4-smoke collecting hood; 5, a smoke exhaust pipe; 6-cable support frame; 7-a chute; 8-a screw rod; 9-a sliding block; 10-a flat nozzle; 11-a sliding clamp plate; 12-a servo motor; 13-a support bar; 14-a rotating electrical machine; 15-overturning the plate.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 4, cable fire resistance testing machine, including control base 1, combustion chamber 2 and tub 5 of discharging fume, control base 1 upside is provided with

combustion chamber

2, 2 upsides in combustion chamber are provided with and gather petticoat pipe 4, it is provided with tub 5 of discharging fume to gather petticoat pipe 4 upside, it is connected with returning face plate 15 to discharge fume 5 internal rotation, 15 key-type keys of returning face plate have rotating

electrical machines

14, 2 inside wall sliding connection in combustion chamber have sliding clamp 11, sliding clamp 11 keeps away from 2 wall one sides in combustion chamber and is provided with cable support frame 6.

Side central point puts and is provided with spout 7 on the control base 1, is provided with lead screw 8 in the spout 7, and 8 key-type connections of lead screw have servo motor 12, and servo motor 12 provides power for the rotation of lead screw 8, and then makes sliding block 9 can adjust the position of flat nozzle 10 along spout 7 lateral shifting, and then carries out the flame projecting burning test to the cable different positions.

Wear to be equipped with sliding block 9 on the lead screw 8, there is bracing piece 13 sliding block 9 upside through the screw connection, and there is flat nozzle 10 bracing piece 13 upper end through bolted connection, and flame can be erupted to flat nozzle 10, and then carries out the burning test to the cable.

The inside symmetry lateral wall of 2 in combustion chamber is provided with the tight seat of electric wire clamp 3, and the tight seat of electric wire clamp 3 passes through the screw connection with combustion chamber 2, and cable support frame 6 is connected through slip splint 11 with combustion chamber 2, and the tight seat of electric wire clamp 3 can press from both sides tight fixed to test cable both ends, and slip splint 11 can be so that 6 removal of cable support frame are stable, and then adjust the interval between the cable support frame 6.

The smoke exhaust pipe 5 is welded with the smoke collecting cover 4, the rotating motor 14 is connected with the side wall of the smoke exhaust pipe 5 through a screw, and the rotating motor 14 can drive the turnover plate 15 to rotate so as to adjust the smoke exhaust amount.

Gather petticoat pipe 4 and combustion chamber 2 and pass through bolted connection, combustion chamber 2 passes through bolted connection with control base 1, gathers petticoat pipe 4 and can will gather smog, and the pipe 5 of being convenient for to discharge fume is discharged smog away.

The working principle of the utility model is as follows: when using, fix the cable both ends that need the test on electric wire clamp holder 3, and place the cable mid portion at 6 upsides of cable support frame, adjust combustion data through control base 1, servo motor 12 drives lead screw 8 and rotates, and then make sliding block 9 remove along spout 7, flat nozzle 10 can erupt even flame and carry out the combustion test to the cable, rotating electrical machines 14 drives returning face plate 15 and rotates, can adjust the volume of discharging fume in the pipe 5 size, cable support frame 6 can adjust the support interval through slip splint 11, satisfy the user demand.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. Cable fire resistance testing machine, manage (5) including control base (1), burning storehouse (2) and discharging fume, its characterized in that, control base (1) upside is provided with burning storehouse (2), burning storehouse (2) upside is provided with and gathers petticoat pipe (4), it is provided with to gather petticoat pipe (4) upside discharge fume tub (5), it is connected with returning face plate (15) to discharge fume tub (5) internal rotation, returning face plate (15) one side key-type connection has rotating electrical machines (14), burning storehouse (2) inside wall sliding connection has slip splint (11), slip splint (11) are kept away from burning storehouse (2) wall one side is provided with cable support frame (6).

2. The cable fire resistance characteristic testing machine according to claim 1, characterized in that a sliding groove (7) is arranged at the center of the upper side face of the control base (1), a screw rod (8) is arranged in the sliding groove (7), and one end of the screw rod (8) is connected with a servo motor (12) in a key mode.

3. The cable fire resistance property testing machine of claim 2, characterized in that a sliding block (9) is arranged on the screw rod (8) in a penetrating way, a support rod (13) is connected to the upper side of the sliding block (9) through a screw, and a flat nozzle (10) is connected to the upper end of the support rod (13) through a bolt.

4. The cable fire resistance testing machine according to claim 1, characterized in that symmetrical side walls inside the combustion chamber (2) are provided with wire clamping seats (3), the wire clamping seats (3) are connected with the combustion chamber (2) through screws, and the cable supporting frame (6) is connected with the combustion chamber (2) through the sliding clamping plate (11).

5. The cable fire resistance testing machine according to claim 1, wherein the smoke exhaust pipe (5) is welded with the smoke collecting hood (4), and the rotating motor (14) is connected with the side wall of the smoke exhaust pipe (5) through a screw.

6. The cable fire resistance tester according to claim 1, wherein the smoke collecting hood (4) is connected with the combustion chamber (2) through bolts, and the combustion chamber (2) is connected with the control base (1) through screws.