Heat insulation assembly for cable installation

Abstract

The utility model discloses a heat insulation assembly used for cable installation, comprising a first limiting assembly, the first limiting assembly is provided with an accommodating cavity, and one side of the accommodating cavity is provided with an opening; the first limiting assembly and the second limiting assembly are connected in a square shape; the device further comprises a first heat-resisting sheet, a second heat-resisting sheet, a third heat-resisting sheet and a limiting rod. The first heat-resisting sheet is arranged at the top of the inner wall of the containing cavity, the second heat-resisting sheet is arranged at the bottom of the inner wall of the containing cavity, the third heat-resisting sheet is arranged on the outer side wall of the second limiting assembly, and the limiting rod is vertically arranged in the containing cavity; the first limiting assembly and the second limiting assembly are detachably connected. The position of the cable is fixed by using the first limiting assembly and the second limiting assembly, and the direct contact between the cable and the first limiting assembly and between the cable and the second limiting assembly is avoided by using the first heat insulation sheet, the second heat insulation sheet, the third heat insulation sheet and the supporting rod, so that the heat insulation of the cable is realized. The device is simple and convenient to operate and reliable in function.

Description

Technical Field

[0001] The utility model relates to the technical field of cable testing equipment, in particular to a heat insulation component used for cable installation. Background Art

[0002] Cable is a wire made of one or more mutually insulated conductors and an outer insulating protective layer, which is laid underground, in the air, etc. Cables are generally composed of three parts: conductor, insulation layer and protective layer.

[0003] Cable testing equipment is generally equipped with a mounting structure for fixing cables. Some cable tests require the cable itself to maintain a specific temperature. During some cable tests, the cable itself generates heat, which is transferred to the mounting structure and causes damage. Therefore, there is a need for thermal insulation technology during cable testing. The mounting structure of traditional cable testing equipment generally adopts a circumferential clamping type, and the thermal insulation layer is set between the cable and the mounting structure. It has high installation stability but poor flexibility. The cable disassembly and assembly steps are cumbersome, and the overall operation efficiency is low. Summary of the invention

[0004] In order to overcome the problem existing in the above-mentioned background technology that "the installation structure of the traditional cable test generally adopts a circumferential clamping type, and the thermal insulation layer is arranged between the cable and the installation structure, which has high installation stability but poor flexibility", the utility model provides a thermal insulation component for cable installation.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] A thermal insulation component for cable installation, comprising a C-shaped first limit component, a accommodating cavity for placing a cable is provided at the center position of the first limit component, and an opening is provided on one side of the accommodating cavity; it also includes an I-shaped second limit component which is placed at the opening position and is used to block the accommodating cavity, and the first limit component and the second limit component are connected in an I-shape; it also includes a first thermal insulation sheet, a second thermal insulation sheet, a third thermal insulation sheet and a limit rod; the first thermal insulation sheet is placed on the top of the inner wall of the accommodating cavity, the second thermal insulation sheet is placed on the bottom of the inner wall of the accommodating cavity, the third thermal insulation sheet is placed on the outer wall of the second limit component, and the limit rod is vertically placed on a side of the accommodating cavity away from the opening; the first limit component and the second limit component are detachably connected by a crimping structure.

[0007] As a further optimization scheme of the utility model, the first limiting assembly includes a first mounting plate and a second mounting plate arranged parallel to each other, and the first mounting plate and the second mounting plate are respectively arranged at the upper and lower inner wall positions of the accommodating cavity; the first thermal insulation plate is connected to the lower surface of the first mounting plate, and the second thermal insulation plate is connected to the upper surface of the second mounting plate, and the two ends of the limiting rod are respectively connected to the first mounting plate and the second mounting plate.

[0008] As a further optimization solution of the present utility model, the second limiting assembly includes a third mounting plate arranged vertically, and the third heat insulation sheet is connected to the third mounting plate near the side wall of the accommodating cavity.

[0009] As a further optimization scheme of the utility model, the crimping structure includes a column, a sleeve, a pull rod, a screw sleeve, a screw, a crimping protrusion, an extension ring and a screw handle; the column is fixedly connected to the first limiting assembly, the sleeve is sleeved on the surface of the column, the pull rod is fixedly connected to the sleeve, the screw sleeve is fixedly connected to the pull rod, the screw sleeve is threadedly connected to the screw, the screw is fixedly connected to the crimping protrusion, and the crimping protrusion is connected to the screw handle; the extension ring is sleeved on the surface of the screw, and the extension ring is crimped with the side wall of the crimping protrusion; the first limiting assembly is provided with a fourth mounting plate and a fifth mounting plate for installing the crimping structure; the second limiting assembly is provided with a sixth mounting plate, the sixth mounting plate is provided with a notch adapted to the screw, and the extension ring is crimped with the sixth mounting plate.

[0010] As a further optimization solution of the present invention, an elastic gasket is provided between the first limiting assembly and the second limiting assembly.

[0011] As a further optimization solution of the utility model, the elastic gasket includes a first elastic gasket, a second elastic gasket, a third elastic gasket and a fourth elastic gasket.

[0012] As a further optimization scheme of the utility model, the third mounting plate is provided with a third extension portion, the sixth mounting plate is provided with a seventh extension portion, and the two ends of the first elastic gasket are respectively adhered to and fixedly connected with the third extension portion and the seventh extension portion; the first mounting plate is provided with a first extension portion, the fourth mounting plate is provided with a fifth extension portion, and the two ends of the second elastic gasket are respectively adhered to and fixedly connected with the first extension portion and the fifth extension portion, and the first elastic gasket and the second elastic gasket are crimped.

[0013] As a further optimization scheme of the utility model, the third mounting plate is provided with a fourth extension portion, the sixth mounting plate is provided with an eighth extension portion, and both ends of the third elastic gasket are respectively adhered to and fixedly connected with the fourth extension portion and the eighth extension portion; the second mounting plate is provided with a second extension portion, the fifth mounting plate is provided with a sixth extension portion, and both ends of the fourth elastic gasket are respectively adhered to and fixedly connected with the second extension portion and the sixth extension portion, and the third elastic gasket and the fourth elastic gasket are crimped.

[0014] As a further optimization solution of the present utility model, two crimping structures are provided and are respectively arranged at the upper and lower ends of the second limiting assembly.

[0015] As a further optimization scheme of the utility model, the first elastic gasket is provided with a first adapter hole adapted to the screw sleeve, and the second elastic gasket is provided with a second adapter hole adapted to the screw sleeve; the third elastic gasket is provided with a third adapter hole adapted to the screw sleeve, and the fourth elastic gasket is provided with a fourth adapter hole adapted to the screw sleeve.

[0016] In summary, the utility model is beneficial in that: a heat insulation component for cable installation includes a first limit component, the first limit component is provided with a receiving cavity, and one side of the receiving cavity is provided with an opening; it also includes a second limit component, the first limit component and the second limit component are connected in a mouth shape; it also includes a first heat insulation sheet, a second heat insulation sheet, a third heat insulation sheet and a limit rod; the first heat insulation sheet is placed on the top of the inner wall of the receiving cavity, the second heat insulation sheet is placed on the bottom of the inner wall of the receiving cavity, the third heat insulation sheet is placed on the outer wall of the second limit component, and the limit rod is placed on the side of the receiving cavity away from the opening; the first limit component and the second limit component are detachably connected through a crimping structure. The utility model uses the first limit component and the second limit component to fix the position of the cable, and uses the first heat insulation sheet, the second heat insulation sheet, the third heat insulation sheet and the support rod to avoid direct contact between the cable and the first limit component and between the cable and the second limit component, thereby realizing the heat insulation of the cable. The utility model is easy to operate, reliable in function, and has broad market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present application is further described below with reference to the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a front structural schematic diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the first limiting component and the second limiting component;

[0021] Figure 4 It is a structural schematic diagram of the crimping structure;

[0022] Figure 5 is a schematic diagram of the position and structure of the sixth mounting plate and the notch;

[0023] Figure 6 It is a schematic diagram of the top view of the crimping structure and the notch-out state;

[0024] Figure 7 It is a schematic diagram of the structure of the first limiting component.

[0025] Description of reference numerals:

[0026] In the figure, 0, cable; 1, first stopper assembly; 10, accommodating cavity; 101, first mounting plate; 1011, first extension portion; 102, second mounting plate; 1021, second extension portion; 103, reinforcing rib; 104, fourth mounting plate; 1041, fifth extension portion; 105, fifth mounting plate; 1051, sixth extension portion; 11, first substrate; 12, second substrate; 13, supporting member; 2, second stopper assembly; 201, third mounting plate; 2011, third extension portion; 2012, fourth extension portion; 202 , sixth mounting plate; 2021, seventh extension portion; 2022, eighth extension portion; 2023, notch; 3, first thermal insulation plate; 4, second thermal insulation plate; 41, limiting groove; 5, third thermal insulation plate; 6, limiting rod; 7, crimping structure; 71, column; 72, sleeve; 73, pulling rod; 74, screw sleeve; 75, screw; 76, crimping protrusion; 77, extension ring; 78, screw handle; 8, elastic gasket; 81, first elastic gasket; 82, second elastic gasket; 83, third elastic gasket; 84, fourth elastic gasket. DETAILED DESCRIPTION

[0027] Based on the above structural features of the present application, the implementation methods of the present application are further described:

[0028] Reference Figure 1 to Figure 7The present embodiment provides a heat insulation component for cable installation, including a C-shaped first limit component 1, a receiving cavity 10 for placing the cable 0 is provided at the center of the first limit component 1, and an opening is provided on one side of the receiving cavity 10; it also includes an I-shaped second limit component 2 placed at the opening position for blocking the receiving cavity 10, and the first limit component 1 and the second limit component 2 are connected in a mouth shape. It also includes a first heat insulation sheet 3, a second heat insulation sheet 4, a third heat insulation sheet 5 and a limit rod 6; the first heat insulation sheet 3 is placed on the top of the inner wall of the receiving cavity 10, the second heat insulation sheet 4 is placed on the bottom of the inner wall of the receiving cavity 10, and a limit groove 41 is provided at the center of the upper surface of the second heat insulation sheet 4. After the cable 0 is placed in the receiving cavity 10, the bottom of the cable 0 is placed in the limit groove 41. The third heat insulation sheet 5 is placed at the outer wall of the second limit component 2 and is fixedly connected by bolts, and the limit rod 6 is placed vertically at the side of the receiving cavity 10 away from the opening. The first limit component 1 and the second limit component 2 are detachably connected by a crimping structure 7.

[0029] Reference Figure 2-3 The first limiting assembly 1 includes a first mounting plate 101 and a second mounting plate 102 which are arranged parallel to each other. The first mounting plate 101 and the second mounting plate 102 are respectively arranged at the upper and lower inner wall positions of the accommodating cavity 10; the first thermal insulation sheet 3 is fixedly connected to the lower surface of the first mounting plate 101 by bolts, and the second thermal insulation sheet 4 is fixedly connected to the upper surface of the second mounting plate 102 by bolts, and the two ends of the limiting rod 6 are respectively fixedly connected to the first mounting plate 101 and the second mounting plate 102 by bolts.

[0030] Reference Figure 2-3 The second limiting assembly 2 includes a third mounting plate 201 which is vertically arranged, and the third heat insulating sheet 5 is fixedly connected to the side wall of the third mounting plate 201 close to the accommodating cavity 10 by bolts.

[0031] Reference Figure 4 , Figure 5 , Figure 6 and Figure 7The crimping structure 7 includes a column 71, a sleeve 72, a connecting rod 73, a screw sleeve 74, a screw 75, a crimping protrusion 76, an extension ring 77 and a screw handle 78; the column 71 is fixedly connected to the first limit assembly 1 (for example, fixedly connected by bolts), the sleeve 72 is sleeved on the surface of the column 71, and the sleeve 72 can rotate freely 360° around the column 71. The connecting rod 73 is fixedly connected to the sleeve 72 (for example, fixedly connected by an integrated method or by welding), and the screw sleeve 74 is fixedly connected to the connecting rod 73 (for example, fixedly connected by an integrated method or by welding). The screw sleeve 74 is connected to the screw rod 75 by threads. The outer surface of the screw rod 75 is provided with an external thread. The screw sleeve 74 is in the shape of a hollow cylinder with one end sealed. The sealed end of the screw sleeve 74 is fixedly connected to the pull rod 73 (for example, by an integrated fixed connection or a welded fixed connection). The inner wall of the screw sleeve 74 is provided with an internal thread. The internal thread and the external thread cooperate with each other. The screw rod 75 is inserted into the inner cavity of the screw sleeve 74 from the open end of the screw sleeve 74. The screw rod 75 is fixedly connected to the crimping protrusion 76 (for example, by an integrated fixed connection or by welding), and the crimping protrusion 76 is connected to the screw-on handle 78. The screw-on handle 78 includes a handle and a collar sleeved on the surface of the handle. The collar is fixedly connected to the crimping protrusion 76 (for example, by an integrated fixed connection or by welding). The handle is in the shape of a straight rod, and spherical protrusions are respectively fixedly connected at both ends of the handle (for example, by an integrated fixed connection or by welding). The handle can slide and rotate freely in the collar, and the spherical protrusion is used to prevent the handle from falling out of the collar. The extension ring 77 is sleeved on the surface of the screw rod 75, and the extension ring 77 is crimped to the side wall of the crimping protrusion 76. The extension ring 77 is crimped to the sixth mounting plate 202. The side area of ​​the extension ring 77 is larger than the side area of ​​the crimping protrusion 76. The crimping protrusion 76 is used to reduce the load acting on the sixth mounting plate 202, thereby preventing the sixth mounting plate 202 from being deformed due to concentrated force. The first limiting assembly 1 is provided with a fourth mounting plate 104 and a fifth mounting plate 105 for mounting the crimping structure 7; the second limiting assembly 2 is provided with a sixth mounting plate 202, and the sixth mounting plate 202 is provided with a notch 2023 adapted to the screw rod 75, and the notch 2023 is used to accommodate the screw rod 75. When the screw rod 75 rotates horizontally with the column 71 as the center, it can be inserted into the notch 2023.

[0032] Reference Figure 3 to Figure 5 An elastic gasket 8 is provided between the first limiting assembly 1 and the second limiting assembly 2. The elastic gasket 8 includes a first elastic gasket 81, a second elastic gasket 82, a third elastic gasket 83 and a fourth elastic gasket 84.

[0033] Reference Figure 3 to Figure 5The third mounting plate 201 is provided with a third extension portion 2011 (for example, an integrally formed fixed connection), the sixth mounting plate 202 is provided with a seventh extension portion 2021 (for example, an integrally formed fixed connection), and the two ends of the first elastic gasket 81 are respectively adhered to and fixedly connected with the third extension portion 2011 and the seventh extension portion 2021 (for example, adhesively fixed); the first mounting plate 101 is provided with a first extension portion 1011 (for example, an integrally formed fixed connection), the fourth mounting plate 104 is provided with a fifth extension portion 1041 (for example, an integrally formed fixed connection), and the two ends of the second elastic gasket 82 are respectively adhered to and fixedly connected with the first extension portion 1011 and the fifth extension portion 1041 (for example, adhesively fixed), and the first elastic gasket 81 and the second elastic gasket 82 are crimped. The third mounting plate 201 is provided with a fourth extension portion 2012 (for example, an integrally formed fixed connection), the sixth mounting plate 202 is provided with an eighth extension portion 2022 (for example, an integrally formed fixed connection), and both ends of the third elastic gasket 83 are respectively adhered to and fixedly connected (for example, adhesively fixed) with the fourth extension portion 2012 and the eighth extension portion 2022; the second mounting plate 102 is provided with a second extension portion 1021 (for example, an integrally formed fixed connection), the fifth mounting plate 105 is provided with a sixth extension portion 1051 (for example, an integrally formed fixed connection), and both ends of the fourth elastic gasket 84 are respectively adhered to and fixedly connected (for example, adhesively fixed) with the second extension portion 1021 and the sixth extension portion 1051, and the third elastic gasket 83 and the fourth elastic gasket 84 are crimped.

[0034] Reference Figure 3 to Figure 5 When the first limiting component 1 and the second limiting component 2 are compressed by the crimping component: the first extension portion 1011 and the third extension portion 2011 respectively compress the same end of the first elastic gasket 81 and the second elastic gasket 82 inward from both sides, and the fifth extension portion 1041 and the seventh extension portion 2021 respectively compress the other end of the first elastic gasket 81 and the second elastic gasket 82 inward from both sides; the second extension portion 1021 and the fourth extension portion 2012 respectively compress the same end of the third elastic gasket 83 and the fourth elastic gasket 84 inward from both sides, and the sixth extension portion 1051 and the eighth extension portion 2022 respectively compress the other end of the third elastic gasket 83 and the fourth elastic gasket 84 inward from both sides.

[0035] Reference Figure 4 , two crimping structures 7 are provided and are respectively arranged at the upper and lower ends of the second limit assembly 2. The two ends of the column 71 of the upper end connection structure are respectively fixedly connected to the first mounting plate 101 and the fourth mounting plate 104 by bolts, and the two ends of the column 71 of the lower end connection structure are respectively fixedly connected to the second mounting plate 102 and the fifth mounting plate 105 by bolts.

[0036] Reference Figure 4 and Figure 5The first elastic gasket 81 is provided with a first adapting hole adapted to the screw sleeve 74 , the second elastic gasket 82 is provided with a second adapting hole adapted to the screw sleeve 74 ; the third elastic gasket 83 is provided with a third adapting hole adapted to the screw sleeve 74 , and the fourth elastic gasket 84 is provided with a fourth adapting hole adapted to the screw sleeve 74 .

[0037] Reference Figure 4 and Figure 7 Reinforcing ribs 103 are welded and fixed at the connection position between the first mounting plate 101 and the first substrate 11 and at the connection position between the second mounting plate 102 and the second substrate 12 to ensure the structural strength of the present invention.

[0038] Reference Figure 5 The first elastic gasket 81 and the second elastic gasket 82 are inclined at the same angle, and the third elastic gasket 83 and the fourth elastic gasket 84 are inclined at the same angle.

[0039] The first heat insulation sheet 3, the second heat insulation sheet 4 and the third heat insulation sheet 5 are all made of heat insulation materials, such as foam glass board, polystyrene foam board, silicate board, polyurethane board, phenolic foam board and the like.

[0040] Usage steps: ① Turn the rotary handle 78 to gradually rotate the screw rod 75 out of the screw rod sleeve 74 until the extension ring 77 is separated from the sixth mounting plate 202; ② Push the rotary handle 78 to rotate horizontally along the column 71 to make the screw rod 75 escape from the notch 2023; ③ Remove the second limiting component 2 and place the cable 0 in the accommodating cavity 10; ④ Snap the second limiting component 2 onto the first limiting component 1; ⑤ Push the rotary handle 78 to rotate horizontally along the column 71 to make the screw rod 75 fit into the notch 2023; ⑥ Turn the rotary handle 78 to make the extension ring 77 press against the outer wall of the sixth mounting plate 202.

[0041] Reference Figure 7 The first limit assembly 1 includes a first substrate 11, a second substrate 12 and a support member 13. The first substrate 11 and the second substrate 12 are respectively arranged on the upper and lower sides of the support member 13. The first substrate 11 and the support member 13 are fixedly connected by bolts, and the second substrate 12 and the support member 13 are fixedly connected by bolts. Figure 4 and Figure 7 The first mounting plate 101 and the fourth mounting plate 104 are integrally fixedly connected to the first substrate 11, and the second mounting plate 102 and the fifth mounting plate 105 are integrally fixedly connected to the second substrate 12. The support member 13 is, for example, a support shell or an iron core coil.

[0042] The utility model uses the first limiting assembly 1 and the second limiting assembly 2 to fix the position of the cable 0, and uses the first heat insulating sheet 3, the second heat insulating sheet 4, the third heat insulating sheet 5 and the support rod to avoid direct contact between the cable 0 and the first limiting assembly 1 and between the cable 0 and the second limiting assembly 2, thereby achieving heat insulation of the cable 0. The utility model is easy to operate, reliable in function, and has broad market prospects.

[0043] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "up", "down", "left" and "right" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0044] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] To sum up, for those skilled in the art, according to the guidance of the present invention, without departing from the principle and spirit of the present invention, the changes, modifications, replacements and deformations made to the present invention still fall within the protection scope of the present invention.

Claims

1. A thermal insulation assembly for cable installation, characterized in that: It comprises a C-shaped first limiting component (1), wherein a receiving cavity (10) for accommodating the cable (0) is provided at the center of the first limiting component (1), and an opening is provided on one side of the receiving cavity (10); It also comprises a second limiting component (2) in an I-shape and disposed at the opening position for blocking the accommodating cavity (10), wherein the first limiting component (1) and the second limiting component (2) are connected in an I-shape; It also comprises a first heat insulation sheet (3), a second heat insulation sheet (4), a third heat insulation sheet (5) and a limiting rod (6); the first heat insulation sheet (3) is placed on the top of the inner wall of the accommodating cavity (10), the second heat insulation sheet (4) is placed on the bottom of the inner wall of the accommodating cavity (10), the third heat insulation sheet (5) is placed on the outer wall of the second limiting assembly (2), and the limiting rod (6) is placed upright on a side of the accommodating cavity (10) away from the opening; The first limiting assembly (1) and the second limiting assembly (2) are detachably connected via a crimping structure (7).

2. The thermal insulation assembly for cable installation according to claim 1, characterized in that: The first limiting assembly (1) comprises a first mounting plate (101) and a second mounting plate (102) which are arranged parallel to each other, and the first mounting plate (101) and the second mounting plate (102) are respectively arranged at the upper and lower inner wall positions of the accommodating cavity (10); the first heat insulating plate (3) is connected to the lower surface of the first mounting plate (101), and the second heat insulating plate (4) is connected to the upper surface of the second mounting plate (102); and the two ends of the limiting rod (6) are respectively connected to the first mounting plate (101) and the second mounting plate (102).

3. The thermal insulation assembly for cable installation according to claim 2, characterized in that: The second limiting assembly (2) comprises a third mounting plate (201) arranged vertically, and the third heat insulating sheet (5) is connected to the side wall of the third mounting plate (201) close to the accommodating cavity (10).

4. The thermal insulation assembly for cable installation according to claim 3, characterized in that: The crimping structure (7) comprises a column (71), a sleeve (72), a connecting rod (73), a screw sleeve (74), a screw (75), a crimping protrusion (76), an extension ring (77) and a screw-on handle (78); the column (71) is fixedly connected to the first limit assembly (1), the sleeve (72) is sleeved on the surface of the column (71), the connecting rod (73) is fixedly connected to the sleeve (72), the screw sleeve (74) is fixedly connected to the connecting rod (73), the screw sleeve (74) is threadedly connected to the screw (75), and the screw (75) is connected to the crimping protrusion (76). The crimping protrusion (76) is fixedly connected to the screw-on handle (78); the extension ring (77) is sleeved on the surface of the screw rod (75), and the extension ring (77) is crimped with the side wall of the crimping protrusion (76); the first limiting assembly (1) is provided with a fourth mounting plate (104) and a fifth mounting plate (105) for mounting the crimping structure (7); the second limiting assembly (2) is provided with a sixth mounting plate (202), and the sixth mounting plate (202) is provided with a notch (2023) adapted to the screw rod (75), and the extension ring (77) is crimped with the sixth mounting plate (202).

5. The thermal insulation assembly for cable installation according to claim 4, characterized in that: An elastic gasket (8) is provided between the first limiting assembly (1) and the second limiting assembly (2).

6. The thermal insulation assembly for cable installation according to claim 5, characterized in that: The elastic gasket (8) comprises a first elastic gasket (81), a second elastic gasket (82), a third elastic gasket (83) and a fourth elastic gasket (84).

7. The thermal insulation assembly for cable installation according to claim 6, characterized in that: The third mounting plate (201) is provided with a third extension portion (2011), the sixth mounting plate (202) is provided with a seventh extension portion (2021), and two ends of the first elastic gasket (81) are respectively adhered to and fixedly connected with the third extension portion (2011) and the seventh extension portion (2021); the first mounting plate (101) is provided with a first extension portion (1011), the fourth mounting plate (104) is provided with a fifth extension portion (1041), and two ends of the second elastic gasket (82) are respectively adhered to and fixedly connected with the first extension portion (1011) and the fifth extension portion (1041), and the first elastic gasket (81) and the second elastic gasket (82) are crimped.

8. The thermal insulation assembly for cable installation according to claim 7, characterized in that: The third mounting plate (201) is provided with a fourth extension portion (2012), the sixth mounting plate (202) is provided with an eighth extension portion (2022), and two ends of the third elastic gasket (83) are respectively attached to and fixedly connected with the fourth extension portion (2012) and the eighth extension portion (2022); the second mounting plate (102) is provided with a second extension portion (1021), the fifth mounting plate (105) is provided with a sixth extension portion (1051), and two ends of the fourth elastic gasket (84) are respectively attached to and fixedly connected with the second extension portion (1021) and the sixth extension portion (1051), and the third elastic gasket (83) and the fourth elastic gasket (84) are crimped.

9. The thermal insulation assembly for cable installation according to claim 8, characterized in that: The crimping structures (7) are provided in two and are respectively arranged at the upper and lower ends of the second limiting assembly (2).

10. The thermal insulation assembly for cable installation according to claim 9, characterized in that: The first elastic gasket (81) is provided with a first adapting hole adapted to the screw sleeve (74), and the second elastic gasket (82) is provided with a second adapting hole adapted to the screw sleeve (74); the third elastic gasket (83) is provided with a third adapting hole adapted to the screw sleeve (74), and the fourth elastic gasket (84) is provided with a fourth adapting hole adapted to the screw sleeve (74).

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