Infrared protection device of cable cage strander

Abstract

The utility model discloses an infrared protection device for a cable cage stranding machine, which comprises a plurality of protection net assemblies which are sequentially distributed along the length direction of the cage stranding machine, and infrared alarm mechanisms are arranged on the two protection net assemblies at the head and the tail; each protective net assembly comprises two side protective nets which are located on the two sides of the cage winch respectively. Each side protection net comprises a frame main body and a protection net body; the two ends of the connecting frames are fixedly connected to the upper ends of the side edge protective nets correspondingly; the number of the end face emergency protection mechanisms is two, and the end face emergency protection mechanisms are arranged on the corresponding side edge protection nets correspondingly and used for emergently preventing people from entering by mistake. The end face emergency protection mechanism comprises a door frame, an emergency protection door, a torsion spring arranged at the hinged position of the emergency protection door and a protection door opening and closing mechanism used for controlling opening and closing of the emergency protection door. The design enhances the protection of the front end and the rear end of the cage stranding machine, so that the cage stranding machine has a higher safety protection coefficient.

Description

Technical Field

[0001] The utility model relates to the field of cable production equipment, in particular to an infrared protection device for a cable cage stranding machine. Background Art

[0002] The wires inside the cable are generally made up of multiple wires twisted together, and the cable cage twisting machine is a device that twists the multiple wires inside the cable.

[0003] Taking production safety into consideration, in the prior art, protective nets are usually set on both sides of the cage windlass to prevent people from accidentally entering. However, at the front and rear ends of the cage windlass, in order to facilitate cable production routing, protective nets are usually not set. There is a safety hazard here, so the safety protection of the cage windlass needs to be further improved. Utility Model Content

[0004] The utility model aims to provide an infrared protection device for a cable cage stranding machine with a higher safety protection factor.

[0005] The purpose of the utility model is achieved as follows: an infrared protection device for a cable cage stranding machine, comprising a plurality of retractable and extendable protective net assemblies sequentially distributed along the length direction of the cage stranding machine, and infrared alarm mechanisms are provided on the two protective net assemblies at the head and the tail;

[0006] Each of the above-mentioned protection net assemblies includes a side protection net, and there are two of the above-mentioned side protection nets, which are respectively located on both sides of the cage stranding machine; each of the above-mentioned side protection nets includes a rectangular frame body, and also includes a protection net body fixed on the frame body; a connecting frame, and there are a plurality of the above-mentioned connecting frames, and both ends of the connecting frames are respectively fixedly connected to the upper ends of the side protection nets; an end face emergency protection mechanism, and there are two of the above-mentioned end face emergency protection mechanisms, which are respectively arranged on the corresponding side protection nets and are used for emergency prevention of people from mistakenly entering; the above-mentioned end face emergency protection mechanism includes a door frame arranged on the protection net body, and also includes an emergency protection door hinged on the door frame, and also includes a torsion spring arranged at the hinge of the emergency protection door, and also includes a protection door opening and closing mechanism arranged on the side protection net for controlling the opening and closing of the emergency protection door;

[0007] The infrared alarm mechanism comprises a control module, an alarm, and an infrared sensor; the alarm is arranged on the frame body of the corresponding side protection net, and there are several infrared sensors, which are respectively arranged on the outer ends of the corresponding frame bodies.

[0008] Compared with the prior art, the beneficial effect of the utility model is that the infrared protection device provided by the utility model not only protects both sides of the cage windlass, but also provides early warning protection for the front and rear ends of the cage windlass, so its safety protection factor is higher; specifically, an infrared alarm mechanism and an end face emergency protection mechanism are added to the end of the cage windlass. When the infrared alarm mechanism is triggered, the alarm sounds, and at the same time, the emergency protection door of the end face emergency protection mechanism automatically opens to prevent further entry of personnel; in addition, the above-mentioned protective net assembly can also be contracted and stretched into different lengths, with a wider range of applications, and is convenient for subsequent maintenance, debugging and installation.

[0009] Furthermore, when the emergency protection door is closed, the torsion spring is in a twisted and compressed state; when the emergency protection door is opened, the torsion spring is in a twisted and expanded state. This design enables the protection door opening and closing mechanism to quickly flip open and perform blocking protection after the emergency protection door is unlocked.

[0010] As a preferred solution of the utility model, the protective door opening and closing mechanism includes a driving motor, which is fixed on the frame body; a lead screw, which is coaxially connected with the driving motor; a slideway, which is arranged on the protective net body and its position corresponds to the lead screw; a slider, which is slidably mounted on the slideway and is threadedly matched with the lead screw; a first locking pin is provided at the front end of the slider; a first locking hole, which is arranged on the door frame and its position corresponds to the first locking pin; and a second locking hole, which is arranged on the emergency protective door and its position corresponds to the first locking hole. This design has a simple structure and reliable locking.

[0011] As a preferred solution of the utility model, the side protection net is also provided with a protection net assembly locking mechanism for locking and fixing the protection net assembly to prevent it from telescopically moving. The protection net assembly locking mechanism includes a gear rack, which is fixed on the frame body; a gear, which is rotatably mounted on the gear rack and connected to the slider by gear rack transmission; a slide, which is fixed on the frame body; a second locking pin, which is slidable forward and backward and inserted on the slide, and connected to the gear by gear rack transmission; a third locking hole, which is arranged on the frame body of another side protection net adjacent to the side anti-slip net, and the position corresponds to the second locking pin. This design shares the driving motor with the protection door opening and closing mechanism, saving costs.

[0012] Furthermore, a plurality of rollers are provided at the bottom of each of the side protection nets, so that the protection net assembly can be easily telescopically moved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the top view of the structure of the utility model in a normal state.

[0014] Figure 2 for Figure 1 A local enlarged schematic diagram of point A in the middle.

[0015] Figure 3 It is a schematic diagram of the top view of the structure of the utility model in the emergency protection state.

[0016] Figure 4 for Figure 3 A local enlarged schematic diagram of point B in the middle.

[0017] Figure 5 It is a schematic diagram of the matching relationship between the gear, the second locking pin and the sliding block of the utility model.

[0018] Among them, 1 side protection net, 1a frame body, 1b protection net body, 2 connecting frame, 3 door frame, 4 emergency protection door, 5 driving motor, 6 screw, 7 slideway, 8 slider, 8a first locking pin, 9 first locking hole, 10 second locking hole, 11 gear rack, 12 gear, 13 slide seat, 14 second locking pin, 15 third locking hole, 16 alarm, 17 infrared sensor. DETAILED DESCRIPTION

[0019] The above and other technical features and advantages of the utility model are described in more detail below in conjunction with the accompanying drawings.

[0020] Combined with Figure 1-5 As shown, an infrared protection device for a cable cage stranding machine comprises a plurality of protection net assemblies which are distributed in sequence along the length direction of the cage stranding machine and can be retracted and extended, and infrared alarm mechanisms are provided on the two protection net assemblies at the head and the tail;

[0021] Each of the above-mentioned protection net assemblies includes a side protection net 1, and there are two of the above-mentioned side protection nets 1, which are respectively located on both sides of the cage stranding machine; each of the above-mentioned side protection nets 1 includes a rectangular frame body 1a, and also includes a protection net body 1b fixed on the frame body 1a; a connecting frame 2, and there are a plurality of the above-mentioned connecting frames 2, and both ends of the connecting frames 2 are respectively fixedly connected to the upper ends of the side protection nets 1; an end face emergency protection mechanism, and there are two of the above-mentioned end face emergency protection mechanisms, which are respectively arranged on the corresponding side protection nets 1, and are used for emergency prevention of people from mistakenly entering; the above-mentioned end face emergency protection mechanism includes a door frame 3 arranged on the protection net body 1b, and also includes an emergency protection door 4 hinged on the door frame 3, and also includes a torsion spring arranged at the hinge of the emergency protection door 4, and also includes a protection door opening and closing mechanism arranged on the side protection net 1 for controlling the opening and closing of the emergency protection door 4;

[0022] The infrared alarm mechanism comprises a control module, an alarm 16 and an infrared sensor 17; the alarm 16 is arranged on the frame body 1a of the corresponding side protection net 1, and there are a plurality of infrared sensors 17, which are respectively arranged on the outer ends of the corresponding frame bodies 1a.

[0023] When the emergency protection door 4 is closed, the torsion spring is in a twisted and compressed state; when the emergency protection door 4 is opened, the torsion spring is in a twisted and expanded state;

[0024] It should be noted that the torsion spring designed in this way will quickly flip open the emergency protection door 4 when the emergency protection door 4 is unlocked.

[0025] The above-mentioned protective door opening and closing mechanism includes a drive motor 5, which is fixed on the frame body 1a; a screw 6, which is coaxially connected to the drive motor 5; a slideway 7, which is arranged on the protective net body 1b, and its position corresponds to the screw 6; a slider 8, which is slidably mounted on the slideway 7 and threadedly matched with the screw 6; a first locking pin 8a is provided at the front end of the slider 8; a first locking hole 9, which is arranged on the door frame 3, and its position corresponds to the first locking pin 8a; a second locking hole 10, which is arranged on the emergency protective door 4, and its position corresponds to the first locking hole 9.

[0026] The side protection net 1 is also provided with a protection net assembly locking mechanism for locking and fixing the protection net assembly to prevent it from telescoping and moving relative to each other. The protection net assembly locking mechanism includes a gear rack 11, which is fixed on the frame body 1a; a gear 12, which is rotatably mounted on the gear rack 11 and is connected to the slider 8 by a gear rack transmission; a slide 13, which is fixed on the frame body 1a; a second locking pin 14, which is slidably inserted on the slide 13 back and forth and is connected to the gear 12 by a gear rack transmission; a third locking hole 15, which is arranged on the frame body 1a of another side protection net 1 adjacent to the side anti-skid net 1, and its position corresponds to the second locking pin 14.

[0027] A plurality of rollers are provided at the bottom of each of the side protection nets 1 .

[0028] When the end face emergency protection state is triggered, the common

[0029] The infrared sensor 17 detects that a person enters from the end face of the cage stranding machine, and then feeds back to the control module; the control module controls the alarm 16 to sound an alarm, and starts the drive motor 5 at the same time; as the drive motor 5 is started, the lead screw 6 rotates, thereby driving the slider 8 to move backward, and the first locking pin 8a releases the cooperation with the first locking hole 9 and the second locking hole 10; the emergency protection door 4 is quickly flipped open under the action of the torsion spring, and abuts against the door frame 3, thereby preventing people from further entering, so as to achieve the effect of reminder and protection;

[0030] When the slider 8 moves backward, the slider 8 drives the gear 12 to rotate, and the gear 12 drives the second locking pin 14 to move so that it is inserted into the third locking hole 15, thereby completing the locking between adjacent protection net assemblies to prevent them from moving, shrinking or stretching relative to each other, thereby causing insufficient side protection;

[0031] It should be noted that, in actual application, the end face emergency protection mechanism can be activated by triggering the infrared alarm mechanism, or the emergency protection mechanism can be turned on all the time and only the infrared alarm mechanism can be used to trigger the alarm; in addition, when the end face emergency protection mechanism is activated by triggering the infrared alarm mechanism, all end face emergency protection mechanisms can be triggered and activated, or the corresponding emergency protection mechanism of the triggering end can be activated separately, and only the control program needs to be modified.

[0032] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. An infrared protection device for a cable cage stranding machine, characterized in that: The protective device comprises a plurality of protective net assemblies which are distributed in sequence along the length direction of the cage stranding machine and can be retracted and extended. The two protective net assemblies at the head and the tail are both provided with infrared alarm mechanisms. Each of the protective net assemblies comprises Side protection nets (1), two of which are located on both sides of the cage stranding machine; each of the side protection nets (1) comprises a rectangular frame body (1a) and a protection net body (1b) fixed on the frame body (1a); A connecting frame (2), wherein the connecting frame (2) is in plurality, and both ends of the connecting frame are respectively fixedly connected to the upper ends of the side protection nets (1); An end face emergency protection mechanism, wherein two end face emergency protection mechanisms are respectively arranged on corresponding side protection nets (1) and are used for preventing people from mistakenly entering in an emergency; the end face emergency protection mechanism comprises a door frame (3) arranged on the protection net body (1b), an emergency protection door (4) hinged on the door frame (3), a torsion spring arranged at the hinge of the emergency protection door (4), and a protection door opening and closing mechanism arranged on the side protection net (1) and used for controlling the opening and closing of the emergency protection door (4); The infrared alarm mechanism comprises a control module, an alarm (16), and an infrared sensor (17); the alarm (16) is arranged on the frame body (1a) of the corresponding side protection net (1), and there are a plurality of infrared sensors (17), which are respectively arranged on the outer ends of the corresponding frame body (1a).

2. The infrared protection device for a cable cage stranding machine according to claim 1, characterized in that: When the emergency protection door (4) is closed, the torsion spring is in a twisted and compressed state; when the emergency protection door (4) is opened, the torsion spring is in a twisted and expanded state.

3. The infrared protection device for a cable cage stranding machine according to claim 2, characterized in that: The protective door opening and closing mechanism comprises A driving motor (5), wherein the driving motor (5) is fixed on the frame body (1a); A lead screw (6), wherein the lead screw (6) is coaxially connected to the drive motor (5); A slideway (7), wherein the slideway (7) is arranged on the protective net body (1b) and its position corresponds to the lead screw (6); A slider (8), the slider (8) being slidably mounted on the slideway (7) and threadably engaged with the lead screw (6); a first locking pin (8a) being provided at the front end of the slider (8); A first locking hole (9), the first locking hole (9) being arranged on the door frame (3) and having a position corresponding to the first locking pin (8a); A second locking hole (10), wherein the second locking hole (10) is arranged on the emergency protection door (4) and has a position corresponding to the first locking hole (9).

4. The infrared protection device for a cable cage stranding machine according to claim 3, characterized in that: The side protection net (1) is also provided with a protection net assembly locking mechanism for locking and fixing the protection net assembly to prevent the protection net assembly from telescoping and moving relative to each other. The protection net assembly locking mechanism includes A gear rack (11), wherein the gear rack (11) is fixed on the frame body (1a); A gear (12), the gear (12) being rotatably mounted on the gear frame (11) and connected to the slider (8) via a gear rack transmission; A slide seat (13), wherein the slide seat (13) is fixed on the frame body (1a); A second locking pin (14), the second locking pin (14) is inserted on the slide seat (13) so as to slide forward and backward, and is connected to the gear (12) by means of a gear rack transmission; A third locking hole (15) is provided on a frame body (1a) of another side protection net (1) adjacent to the side protection net (1), and the position of the third locking hole (15) corresponds to the second locking pin (14).

5. An infrared protection device for a cable cage stranding machine according to any one of claims 1 to 4, characterized in that: A plurality of rollers are provided at the bottom of each side protection net (1).

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