Impregnated polyester cord with open fire prevention function

Abstract

The utility model discloses a gum dipping polyester cord with an open fire prevention function, which comprises a cord body, the cord body comprises an upper cord connecting piece, a lower cord connecting piece and a polyester cord body, the upper cord connecting piece is arranged at the upper end of the cord body, and the lower cord connecting piece is arranged at the lower end of the cord body. A plurality of polyester rope bodies are screwed between the lower rope connecting piece and the upper rope connecting piece, the upper rope connecting piece comprises an upper connecting rope, an upper arc-shaped protective pad and an upper locking sleeve, the upper connecting rope is arranged at the top end of the polyester rope body, and the upper locking sleeve is arranged at the end, away from the polyester rope body, of the upper connecting rope; the inner wall of the upper locking sleeve is connected with the outer wall of the polyester rope body, and an upper arc-shaped protective pad is arranged on the inner wall of the upper connecting rope. According to the utility model, not only is the convenience of installation and connection of the polyester rope improved, but also the open fire prevention performance of the polyester rope is improved, so that the application range of the polyester rope is widened, and the overall structural strength of the polyester rope is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of wire ropes, in particular to an impregnated polyester wire rope with a fire prevention function. Background Technique

[0002] Due to its good physical properties and chemical stability, polyester wire ropes are widely used in many fields such as textile, automobile manufacturing, aerospace, construction, and outdoor equipment. However, under some extreme usage conditions, such as in high-temperature environments, the performance of traditional polyester wire ropes may be affected, which will also affect their service life. Therefore, it is of great practical significance to develop an impregnated polyester wire rope with a fire prevention function.

[0003] An impregnated polyester wire rope with a fire prevention function, with a reference publication number of CN217896047U, includes a rope body. A scale line is fixedly arranged on the rope body. The front end and the rear end of the rope body are respectively fixedly provided with a front rope head and a rear rope head. The rope body includes a fireproof coating, and a heat insulation layer is fixedly arranged inside the fireproof coating. By applying a fireproof coating and a heat insulation layer on the outer side of the wire rope, the fire prevention and heat insulation properties of the impregnated polyester wire rope are enhanced. At the same time, the internal protective layer, steel wire, and high-temperature resistant layer can make the rope body not easily break completely under the extreme condition of continuous burning by an open flame while enhancing the overall strength of the rope body. According to the above, although this polyester wire rope can be well applied, generally, no hanging parts are provided at both ends of this type of polyester wire rope, making it difficult to quickly place the polyester wire rope on the hooks of two groups of objects, thus affecting the convenience during the installation and connection of the polyester wire rope and still needing to be improved. Content of the Utility Model

[0004] The purpose of the utility model is to provide an impregnated polyester wire rope with a fire prevention function to solve the problem proposed in the above background technique that although the polyester wire rope can be well applied, generally, no hanging parts are provided at both ends of this type of polyester wire rope, making it difficult to quickly place the polyester wire rope on the hooks of two groups of objects, thus affecting the installation convenience of the polyester wire rope.

[0005] To achieve the above object, the present utility model provides the following technical solutions: A dipped polyester cord with a function of preventing open fire, including a cord body, the cord body includes an upper cord connector, a lower cord connector and a polyester cord body. An upper cord connector is provided at the upper end of the cord body, and a lower cord connector is provided at the lower end of the cord body. A plurality of polyester cord bodies are screwed between the lower cord connector and the upper cord connector. The upper cord connector includes an upper connecting cord, an upper arc-shaped protective pad and an upper locking sleeve. An upper connecting cord is provided at the top end of the polyester cord body. An upper locking sleeve is provided at the end of the upper connecting cord away from the polyester cord body. The inner wall of the upper locking sleeve is connected to the outer wall of the polyester cord body. An upper arc-shaped protective pad is provided on the inner wall of the upper connecting cord. The lower cord connector includes a lower connecting cord, a lower arc-shaped protective pad and a lower locking sleeve. A lower connecting cord is provided at the bottom end of the polyester cord body. A lower locking sleeve is provided at the end of the lower connecting cord away from the polyester cord body. The inner wall of the lower locking sleeve is connected to the outer wall of the polyester cord body. A lower arc-shaped protective pad is provided on the inner wall of the lower connecting cord.

[0006] Preferably, the polyester cord body includes a main cord body and a first heat-shrinkable silicone rubber layer. The main cord body is provided at the central position inside the polyester cord body. A first heat-shrinkable silicone rubber layer is provided on the outer wall of the main cord body. Through the setting of the first heat-shrinkable silicone rubber layer, the main cord body can be protected against high and low temperatures.

[0007] Preferably, the polyester cord body includes steel wires. Equally spaced steel wires are provided on the outside of the first heat-shrinkable silicone rubber layer. The included angle between adjacent steel wires is sixty degrees. Through the setting of a plurality of steel wires, the overall structural strength of the polyester cord can be improved.

[0008] Preferably, the polyester cord body includes a sub-cord body and a second heat-shrinkable silicone rubber layer. Sub-cord bodies are provided between adjacent steel wires. A second heat-shrinkable silicone rubber layer is provided on the outer wall of the sub-cord body. Through the setting of the second heat-shrinkable silicone rubber layer, the sub-cord body can be protected against high and low temperatures.

[0009] Preferably, the polyester cord body includes a glass fiber heat-insulating layer and an outer fire-proof coating. A glass fiber heat-insulating layer is provided on the outside of a plurality of the second heat-shrinkable silicone rubber layers. An outer fire-proof coating is provided on the outer wall of the glass fiber heat-insulating layer. Through the setting of the outer fire-proof coating and the glass fiber heat-insulating layer, the fire-proof performance of the polyester cord can be improved.

[0010] Preferably, the polyester cord body includes an impregnated layer. The glass fiber heat-insulating layer outside a plurality of the second heat-shrinkable silicone rubber layers is filled with an impregnated layer. Through the setting of the impregnated layer, the structure between the main cord body, the sub-cord body and other related components can be made more firm.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The dipped polyester cord with a fire prevention function not only improves the convenience of installation and connection of the polyester cord, but also enhances the fire prevention performance of the polyester cord, so as to expand the scope of application of the polyester cord, and moreover, it strengthens the overall structural strength of the polyester cord;

[0012] By respectively arranging an upper cord connector and a lower cord connector at both ends of the polyester cord body, the hooks of two groups of objects can be respectively hooked on the upper cord connector and the lower cord connector, so that the polyester cord can be quickly installed and connected between the two groups of objects, thereby improving the convenience of installation and connection of the polyester cord;

[0013] Through the arrangement of the second heat-shrinkable silicone rubber layer and the first heat-shrinkable silicone rubber layer, the sub-cord body and the main cord body are respectively thermally insulated. Also, due to the arrangement of the outer fireproof coating and the glass fiber heat insulation layer, the sub-cord body and the main cord body are further fireproof and heat-insulated, thereby improving the fire prevention performance of the polyester cord and enabling the polyester cord to be applicable to use in high-temperature environments, expanding the scope of application of the polyester cord;

[0014] By arranging a plurality of steel wires on the outer side of the main cord body and the inner side of the sub-cord body, the steel wires cooperate with the main cord body and the sub-cord body to form the main cord part of the polyester cord body, thereby enhancing the overall structural strength of the polyester cord. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 is a structural schematic diagram of the upper cord connector of the present utility model;

[0017] Figure 3 is a structural schematic diagram of the lower cord connector of the present utility model;

[0018] Figure 4 is a sectional structural schematic diagram of the polyester cord body of the present utility model.

[0019] In the figure: 1. Cord body; 2. Upper cord connector; 201. Upper connecting cord; 202. Upper arc-shaped protective pad; 203. Upper locking sleeve; 3. Lower cord connector; 301. Lower connecting cord; 302. Lower arc-shaped protective pad; 303. Lower locking sleeve; 4. Polyester cord body; 401. Outer fireproof coating; 402. Glass fiber heat insulation layer; 403. Main cord body; 404. First heat-shrinkable silicone rubber layer; 405. Steel wire; 406. Sub-cord body; 407. Second heat-shrinkable silicone rubber layer; 408. Dipped layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 , an embodiment provided by the present invention: a dipping polyester cord with a function of preventing open fire, including a cord body 1, the cord body 1 includes an upper cord connector 2, a lower cord connector 3 and a polyester cord body 4, the polyester cord body 4 includes a main cord body 403 and a first heat-shrinkable silicone rubber layer 404, a main cord body 403 is arranged at the central position inside the polyester cord body 4, and a first heat-shrinkable silicone rubber layer 404 is arranged on the outer wall of the main cord body 403;

[0022] During use, through the setting of the first heat-shrinkable silicone rubber layer 404, the main cord body 403 can be protected against high and low temperatures;

[0023] The polyester cord body 4 includes steel wires 405, and the steel wires 405 are arranged at equal intervals on the outer side of the first heat-shrinkable silicone rubber layer 404, and the included angle between adjacent steel wires 405 is sixty degrees;

[0024] During use, through the setting of a plurality of steel wires 405, the overall structural strength of the polyester cord can be improved;

[0025] The polyester cord body 4 includes a secondary cord body 406 and a second heat-shrinkable silicone rubber layer 407, the secondary cord body 406 is arranged between adjacent steel wires 405, and a second heat-shrinkable silicone rubber layer 407 is arranged on the outer wall of the secondary cord body 406;

[0026] During use, through the setting of the second heat-shrinkable silicone rubber layer 407, the secondary cord body 406 can be protected against high and low temperatures;

[0027] The polyester cord body 4 includes a glass fiber heat insulation layer 402 and an outer fireproof coating 401, the glass fiber heat insulation layer 402 is arranged on the outer side of a plurality of second heat-shrinkable silicone rubber layers 407, and the outer fireproof coating 401 is arranged on the outer wall of the glass fiber heat insulation layer 402;

[0028] During use, through the setting of the outer fireproof coating 401 and the glass fiber heat insulation layer 402, the fire prevention performance of the polyester cord can be improved;

[0029] The polyester cord body 4 includes an impregnated layer 408, and the impregnated layer 408 is filled inside the glass fiber heat insulation layer 402 on the outer side of a plurality of second heat-shrinkable silicone rubber layers 407;

[0030] During use, due to the setting of the rubber dipping layer 408, the structure between the main rope body 403 and related components such as the auxiliary rope body 406 is made more firm;

[0031] At the upper end of the wire rope body 1, an upper wire rope connecting piece 2 is provided. At the lower end of the wire rope body 1, a lower wire rope connecting piece 3 is provided. A number of polyester rope bodies 4 are screwed between the lower wire rope connecting piece 3 and the upper wire rope connecting piece 2. The upper wire rope connecting piece 2 includes an upper connecting rope 201, an upper arc-shaped protective pad 202 and an upper locking sleeve 203. At the top of the polyester rope body 4, there is an upper connecting rope 201. At the end of the upper connecting rope 201 away from the polyester rope body 4, there is an upper locking sleeve 203. The inner wall of the upper locking sleeve 203 is connected to the outer wall of the polyester rope body 4. An upper arc-shaped protective pad 202 is provided on the inner wall of the upper connecting rope 201. The lower wire rope connecting piece 3 includes a lower connecting rope 301, a lower arc-shaped protective pad 302 and a lower locking sleeve 303. At the bottom of the polyester rope body 4, there is a lower connecting rope 301. At the end of the lower connecting rope 301 away from the polyester rope body 4, there is a lower locking sleeve 303. The inner wall of the lower locking sleeve 303 is connected to the outer wall of the polyester rope body 4. A lower arc-shaped protective pad 302 is provided on the inner wall of the lower connecting rope 301.

[0032] When the embodiment of the present application is in use, first, due to the setting of the second heat-shrinkable silicone rubber layer 407 and the first heat-shrinkable silicone rubber layer 404, heat insulation protection is respectively carried out on the auxiliary rope body 406 and the main rope body 403. Also, due to the setting of the outer fireproof coating 401 and the glass fiber heat insulation layer 402, further fireproof and heat insulation are carried out on the auxiliary rope body 406 and the main rope body 403, so that the polyester wire rope has good anti-open fire performance and the use range of the polyester wire rope is improved. Then, by arranging a number of steel wires 405 on the outer side of the main rope body 403 and the inner side of the auxiliary rope body 406, the steel wires 405 cooperate with the main rope body 403 and the auxiliary rope body 406 to form the main wire rope part of the polyester rope body 4, which can effectively improve the overall structural strength of the polyester wire rope. Finally, by respectively arranging an upper wire rope connecting piece 2 and a lower wire rope connecting piece 3 at both ends of the polyester rope body 4, two groups of objects with hooks can be respectively hooked on the upper wire rope connecting piece 2 and the lower wire rope connecting piece 3, so as to quickly install and connect the polyester wire rope between the two groups of objects, thus completing the use of the polyester wire rope.

Claims

1. A polyester cord with flame retardant function, characterized in that: The invention comprises a cord body (1), wherein the cord body (1) comprises an upper cord connector (2), a lower cord connector (3) and a polyester cord body (4); the upper end of the cord body (1) is provided with an upper cord connector (2); the lower end of the cord body (1) is provided with a lower cord connector (3); a plurality of polyester cord bodies (4) are screwed and arranged between the lower cord connector (3) and the upper cord connector (2); the upper cord connector (2) comprises an upper connecting rope (201), an upper arc-shaped protective pad (202) and an upper locking sleeve (203); the top end of the polyester cord body (4) is provided with an upper connecting rope (201); and the end of the upper connecting rope (201) away from the polyester cord body (4) is provided with a An upper locking sleeve (203) is provided, the inner wall of the upper locking sleeve (203) being connected to the outer wall of the polyester rope body (4), an upper arc-shaped protective pad (202) being provided on the inner wall of the upper connecting rope (201), the lower line rope connecting member (3) comprising a lower connecting rope (301), a lower arc-shaped protective pad (302) and a lower locking sleeve (303), the lower end of the polyester rope body (4) being provided with a lower connecting rope (301), the end of the lower connecting rope (301) away from the polyester rope body (4) being provided with a lower locking sleeve (303), the inner wall of the lower locking sleeve (303) being connected to the outer wall of the polyester rope body (4), and the inner wall of the lower connecting rope (301) being provided with a lower arc-shaped protective pad (302).

2. The flame-proof impregnated polyester cord according to claim 1, characterized in that: The polyester rope body (4) comprises a main rope body (403) and a first heat-shrinkable silicone rubber layer (404); the main rope body (403) is provided at the center of the polyester rope body (4); and the first heat-shrinkable silicone rubber layer (404) is provided on the outer wall of the main rope body (403).

3. The flame-proof impregnated polyester cord according to claim 2, characterized in that: The polyester rope body (4) comprises steel wires (405), and the outer side of the first heat-shrinkable silicone rubber layer (404) is provided with steel wires (405) at equal intervals, and the angle between adjacent steel wires (405) is sixty degrees.

4. The flame-proof impregnated polyester cord according to claim 3, characterized in that: The polyester rope body (4) comprises a secondary rope body (406) and a second heat-shrinkable silicone rubber layer (407), and a secondary rope body (406) is provided between adjacent steel wires (405), and a second heat-shrinkable silicone rubber layer (407) is provided on the outer wall of the secondary rope body (406).

5. The flame-proof impregnated polyester cord according to claim 4, characterized in that: The polyester rope body (4) comprises a glass fiber insulation layer (402) and an outer fire retardant coating (401), the outer sides of a plurality of the second heat shrinkable silicone rubber layers (407) are provided with a glass fiber insulation layer (402), and the outer wall of the glass fiber insulation layer (402) is provided with an outer fire retardant coating (401).

6. The flame-proof impregnated polyester cord according to claim 5, characterized in that: The polyester rope body (4) comprises a rubber impregnation layer (408), and the glass fiber heat insulation layers (402) outside the plurality of second heat shrinkable silicone rubber layers (407) are filled with the rubber impregnation layer (408).

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