Protection assembly and cable mounting bracket

Abstract

The utility model relates to the technical field of cable supports, in particular to a protection assembly and a cable mounting support. The protection assembly comprises a protection plate assembly, the protection plate assembly is provided with an anti-scraping end, the protection plate assembly is connected to an opening of a platform, and when a cable penetrates through the opening of the platform, the anti-scraping end is used for preventing the cable skin from being scratched. According to the utility model, the protection plate assembly is arranged at the platform opening on the fan tower tube, so that a cable is allowed to pass through the platform opening, and the gap of the platform opening is reduced, thereby reducing the safety risks of missing step or falling objects from high altitudes and the like; besides, the anti-scraping end is arranged on the protection plate assembly, so that the problem that the edge of the protection plate assembly scrapes the surface of the cable to cause damage to the surface of the cable when the cable swings due to external environmental factors can be avoided, and the safety and the service life of the cable are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable support technical field, concretely is a kind of protection assembly and cable installation support. BACKGROUND

[0002] In the field of wind power generation, the laying of power cables in the wind turbine tower is a key link. Although the traditional air-type bus duct has the advantages of lower cost and convenient installation, but in the actual application process, frequent burnout, drooping and other failures occur, which leads to frequent downtime maintenance of the wind turbine, and further adversely affects the power generation efficiency and economic benefits. To solve the above problems, the industry has begun to switch to more reliable and economical aluminum alloy cables. The aluminum alloy cable not only effectively solves the problems of burning and drooping, but also reduces the procurement and operation and maintenance costs, and improves the operation reliability and economic benefits of the wind turbine. However, replacing the air-type bus duct with an aluminum alloy cable is not a simple process. Due to the differences in shape and installation method, the original support cannot be used directly. To save costs, the current industry generally adopts the scheme of improving the original support to adapt to the installation requirements of the aluminum alloy cable to ensure the safe and reliable installation of the aluminum alloy cable. However, after improvement, there are still potential problems. In the installation process of the original air-type bus duct, in order to adapt to the larger air-type bus duct, the platform opening on the wind turbine tower is designed to be larger during the construction of the wind turbine tower. After the aluminum alloy cable is laid, these larger platform openings may cause safety hazards such as stepping off or falling objects from a high altitude.

[0003] Therefore, it is necessary to develop a protection assembly and cable installation support to adapt to the installation requirements of the aluminum alloy cable and ensure personnel safety, avoid the risk of stepping off or falling objects from a high altitude. CONTENT OF THE UTILITY MODEL

[0004] In view of the safety hazard problem of the existing cable installation support in the prior art, the technical solution adopted by the utility model to solve the technical problem is:

[0005] A protection assembly includes a protection plate assembly, wherein the protection plate assembly is provided with a scratch-proof end, and the protection plate assembly is connected at the platform opening. When the cable passes through the platform opening, the scratch-proof end is used to avoid scratching the surface of the cable.

[0006] Further, the protection assembly according to the scheme, wherein the protection plate assembly includes a first protection plate body and a second protection plate body, and the first protection plate body and the second protection plate body are fixed at the platform opening respectively, and the cable is located between the first protection plate body and the second protection plate body.

[0007] Further, the scheme discloses a protection assembly, wherein the first protection plate body is provided with a first baffle connected to the platform opening, the second protection plate body is provided with a second baffle connected to the platform opening, and the scratch-preventing end is arranged on the first baffle and the second baffle respectively.

[0008] Further, the scheme discloses a protection assembly, wherein the first protection plate body is provided with a first baffle connected to the platform opening, the second protection plate body is provided with a second baffle connected to the platform opening, and the scratch-preventing end is arranged on the first baffle and the second baffle respectively.

[0009] Further, the scheme discloses a protection assembly, wherein the first protection plate body is provided with a first baffle connected to the platform opening, the second protection plate body is provided with a second baffle connected to the platform opening, and the scratch-preventing end is arranged on the first baffle and the second baffle respectively.

[0010] Further, the scheme discloses a protection assembly, wherein the first protection plate body is provided with a first baffle connected to the platform opening, the second protection plate body is provided with a second baffle connected to the platform opening, and the scratch-preventing end is arranged on the first baffle and the second baffle respectively.

[0011] Further, the scheme discloses a protection assembly, wherein the first protection plate body is provided with a first baffle connected to the platform opening, the second protection plate body is provided with a second baffle connected to the platform opening, and the scratch-preventing end is arranged on the first baffle and the second baffle respectively.

[0012] Further, the scheme discloses a protection assembly, wherein the first protection plate body is provided with a first baffle connected to the platform opening, the second protection plate body is provided with a second baffle connected to the platform opening, and the scratch-preventing end is arranged on the first baffle and the second baffle respectively.

[0013] Further, the scheme discloses a protection assembly, wherein the first protection plate body is provided with a first baffle connected to the platform opening, the second protection plate body is provided with a second baffle connected to the platform opening, and the scratch-preventing end is arranged on the first baffle and the second baffle respectively.

[0014] Further, the scheme discloses a protection assembly, wherein the first protection plate body is provided with a first baffle connected to the platform opening, the second protection plate body is provided with a second baffle connected to the platform opening, and the scratch-preventing end is arranged on the first baffle and the second baffle respectively.

[0015] The utility model discloses the beneficial effect is as follows:

[0016] The utility model discloses a platform opening place sets up the protection board subassembly on the fan tower drum, allows the cable to pass through the platform opening simultaneously, and the clearance of platform opening is reduced to reduce the security risk such as personnel's foot in the air or high altitude falling object, in addition, the utility model discloses a scratchproof end is set up on the protection board subassembly, can avoid the cable when the swing of external environmental factor, the edge of protection board subassembly scratches the cable skin and causes the problem of cable skin damage, thereby guaranteeing the security and service life of cable.

[0017] The utility model will be further described below in connection with the drawings and specific embodiment. DRAWINGS

[0018] Figure 1 It is a protection component appearance schematic diagram of the utility model.

[0019] Figure 2 It is a protection component appearance schematic diagram of the utility model.

[0020] Figure 3 It is a protection component appearance schematic diagram of the utility model.

[0021] Figure 4 It is a cable installation support appearance schematic diagram of the utility model. SPECIFIC EMBODIMENT

[0022] The embodiment of the utility model will be described in detail below in connection with the drawings.

[0023] As Figures 1-3 Shown in a protection component, including protection board subassembly 1, wherein protection board subassembly 1 is equipped with scratchproof end 13, protection board subassembly 1 is connected at platform opening, when the cable passes through platform opening, scratchproof end 13 is used to avoid scratching cable skin.

[0024] The utility model discloses a platform opening place sets up the protection board subassembly 1 on the fan tower drum, allows the cable to pass through the platform opening simultaneously, and the clearance of platform opening is reduced to reduce the security risk such as personnel's foot in the air or high altitude falling object, in addition, the utility model discloses a scratchproof end 13 is set up on the protection board subassembly 1, can avoid the cable when the swing of external environmental factor, the edge of protection board subassembly 1 scratches the cable skin and causes the problem of cable skin damage, thereby guaranteeing the security and service life of cable.

[0025] Specifically, the utility model discloses a platform opening of fan tower drum is provided with the protection board subassembly 1, not only allows cable to pass through the platform opening smoothly, still greatly reduces the clearance of platform opening, this setting reduces the risk of falling or high altitude falling article when personnel is in the fan tower drum operation, improves the security of operation, further, be provided with the scratch prevention end 13 on the protection board subassembly 1, this setting effectively avoids the edge of protection board subassembly 1 when cable swing due to external environmental factors, cable skin is scratched, causes the problem of cable skin damage, further, through this setting, the utility model not only protects the skin of cable, avoids the cable failure caused by skin damage, still prolongs the service life of cable, reduces the maintenance or replacement frequency that needs to be carried out due to cable damage, thereby reduce maintenance cost.

[0026] Further, as shown in Figures 1-3 A protection assembly, wherein the protection board subassembly 1 includes first protection board body 11 and second protection board body 12, first protection board body 11 and second protection board body 12 are fixed at platform opening respectively, and cable is located between first protection board body 11 and second protection board body 12.

[0027] The utility model discloses a first protection board body 11 and second protection board body 12 are fixed at platform opening, when cable passes through platform opening, through the setting of first protection board body 11 and second protection board body 12, the position of cable is effectively restricted, the phenomenon that cable swing amplitude is too large due to external factors is avoided, thereby effectively reduce the potential safety risk caused by cable swing amplitude is too large, in addition, through the setting of first protection board body 11 and second protection board body 12, the clearance between cable and platform opening is covered more greatly, thereby effectively reduce the clearance between cable and platform opening in each direction, further avoid the risk of falling or high altitude falling article when personnel is in the fan tower drum operation, improve the security of operation process.

[0028] Further, as shown in Figures 1-3 A protection assembly, wherein the first protection board body 11 is provided with first baffle 111 connected at platform opening, the second protection board body 12 is provided with second baffle 121 connected at platform opening, and the scratch prevention end 13 is arranged on the first baffle 111 and the second baffle 121 respectively.

[0029] The utility model discloses a first baffle 111 and second baffle 121 are arranged on the upper side of the platform opening, effectively reduce the gap between the platform opening and cable, thereby avoid the risk of the possible accident of stepping in the air or high altitude object falling when the staff is working in the fan tower drum, further improve the safety of the operation process, further, through setting the scratchproof end 13 on the first baffle 111 and second baffle 121, effectively prevent the swing of cable due to external environmental factors, thereby avoid the friction and scratch of cable and the edge of first baffle 111 and second baffle 121, reduce the condition of cable skin damage, ensure the use safety of cable and prolong its service life, further reduce the risk of safety accident that may be caused due to cable skin damage.

[0030] Further, as shown in a protective assembly, Figures 1-3 Wherein the scratchproof end 13 includes the first scratchproof plate 131 on the side of the first baffle 111 close to the cable, and the second scratchproof plate 132 on the side of the second baffle 121 close to the cable, the first baffle 111 and the first scratchproof plate 131 are arranged at a certain angle, and the second baffle 121 and the second scratchproof plate 132 are arranged at a certain angle.

[0031] The utility model discloses a first scratchproof plate 131 is arranged on the side of the first baffle 111 close to the cable, and a second scratchproof plate 132 is arranged on the side of the second baffle 121 close to the cable, and the edge of the first baffle 111 and the first scratchproof plate 131, the edge of the second baffle 121 and the second scratchproof plate 132 are smoothly overlapped, which can effectively prevent the cable from being scratched by the edge of the first baffle 111 and the second baffle 121 when it shakes accidentally, thereby reducing the risk of cable skin damage, further, the first baffle 111 and the first scratchproof plate 131, the second baffle 121 and the second scratchproof plate 132 are arranged at a certain angle, which can effectively reduce the contact area of the cable and the first scratchproof plate 131 and the second scratchproof plate 132 when the cable swings to the first scratchproof plate 131 or the second scratchproof plate 132, thereby reducing the friction area and effectively avoiding the abrasion of the cable.

[0032] Further, as shown in a protective assembly, Figures 1-3 Wherein the first scratchproof plate 131 and the first baffle 111 are arranged at an angle α, the second scratchproof plate 132 and the second baffle 121 are arranged at an angle β, and the angle setting range of α and β is 70°-85°.

[0033] The utility model discloses a first anti -scratch board 131 and first baffle 111 are set up alpha angle, second anti -scratch board 132 and second baffle 121 are set up beta angle, and alpha and beta angle setting range is 70-85, this setting makes the cable swing due to external environmental factor, and when contacting first anti -scratch board 131 and second anti -scratch board 132, can effectively reduce the friction area of cable and first anti -scratch board 131 and second anti -scratch board 132, further avoid the abrasion of cable, further, if alpha and beta angle are greater than 85, then will increase the friction area of cable and first anti -scratch board 131 and second anti -scratch board 132, even can make the cable and first anti -scratch board 131 and second anti -scratch board 132 upper side edge scratch, thereby aggravating the abrasion degree of cable skin, if alpha and beta angle are less than 70, then will shield the area of first baffle 111 and second baffle 121 original for maintenance personnel to stand, causes the adverse effect to maintenance operation.

[0034] Further, as shown in Figures 1-3 The utility model discloses a first anti -scratch board 131 and first baffle 111 are set up alpha angle, second anti -scratch board 132 and second baffle 121 are set up beta angle, and alpha and beta angle setting range is 70-85, this setting makes the cable swing due to external environmental factor, and when contacting first anti -scratch board 131 and second anti -scratch board 132, can effectively reduce the friction area of cable and first anti -scratch board 131 and second anti -scratch board 132, further avoid the abrasion of cable, further, if alpha and beta angle are greater than 85, then will increase the friction area of cable and first anti -scratch board 131 and second anti -scratch board 132, even can make the cable and first anti -scratch board 131 and second anti -scratch board 132 upper side edge scratch, thereby aggravating the abrasion degree of cable skin, if alpha and beta angle are less than 70, then will shield the area of first baffle 111 and second baffle 121 original for maintenance personnel to stand, causes the adverse effect to maintenance operation.

[0035] The utility model discloses a first anti -scratch board 131 and first baffle 111 are set up alpha angle, second anti -scratch board 132 and second baffle 121 are set up beta angle, and alpha and beta angle setting range is 70-85, this setting makes the cable swing due to external environmental factor, and when contacting first anti -scratch board 131 and second anti -scratch board 132, can effectively reduce the friction area of cable and first anti -scratch board 131 and second anti -scratch board 132, further avoid the abrasion of cable, further, if alpha and beta angle are greater than 85, then will increase the friction area of cable and first anti -scratch board 131 and second anti -scratch board 132, even can make the cable and first anti -scratch board 131 and second anti -scratch board 132 upper side edge scratch, thereby aggravating the abrasion degree of cable skin, if alpha and beta angle are less than 70, then will shield the area of first baffle 111 and second baffle 121 original for maintenance personnel to stand, causes the adverse effect to maintenance operation.

[0036] Further, as shown in Figures 1-3 The utility model discloses a first anti -scratch board 131 and first baffle 111 are set up alpha angle, second anti -scratch board 132 and second baffle 121 are set up beta angle, and alpha and beta angle setting range is 70-85, this setting makes the cable swing due to external environmental factor, and when contacting first anti -scratch board 131 and second anti -scratch board 132, can effectively reduce the friction area of cable and first anti -scratch board 131 and second anti -scratch board 132, further avoid the abrasion of cable, further, if alpha and beta angle are greater than 85, then will increase the friction area of cable and first anti -scratch board 131 and second anti -scratch board 132, even can make the cable and first anti -scratch board 131 and second anti -scratch board 132 upper side edge scratch, thereby aggravating the abrasion degree of cable skin, if alpha and beta angle are less than 70, then will shield the area of first baffle 111 and second baffle 121 original for maintenance personnel to stand, causes the adverse effect to maintenance operation.

[0037] The present invention provides an installation cavity inside the anti-scratch protective member 133 and sets the cross-section of the anti-scratch protective member 133 to a C-shape, so that the first anti-scratch plate 131 and the second anti-scratch plate 132 can be firmly connected to the anti-scratch protective member 133 by being embedded in the installation cavity. This setting not only enhances the connection strength between the anti-scratch protective member 133 and the first anti-scratch plate 131 and the second anti-scratch plate 132, effectively avoiding the problem of falling off due to external factors such as vibration during long-term use, but also improves the convenience of installation and replacement, thereby improving the efficiency of maintenance operations; further, the C-shaped cross-section of the anti-scratch protective member 133 can better wrap the first anti-scratch plate 131 and the second anti-scratch plate 132 to form a closed protective layer, effectively reducing the direct contact between the cable and the first anti-scratch plate 131 and the second anti-scratch plate 132, thereby reducing the risk of wear.

[0038] Further, such as Figures 1-3 A protective assembly is shown, wherein both sides of the first baffle 111 and the second baffle 121 are provided with fixed ends 14 extending toward the platform opening, and the fixed ends 14 are provided with connecting holes 141 that cooperate with the platform opening, and the connecting holes 141 are arranged as long holes.

[0039] The utility model provides fixed ends 14 extending toward the platform opening on both sides of the first baffle 111 and the second baffle 121, so that when the first baffle 111 and the second baffle 121 are placed on the upper end surface of the platform, they can be firmly engaged on the platform through the fixed ends 14 on both sides, thereby ensuring the stability of the structure; further, by providing connecting holes 141 with long holes on the fixed ends 14, this arrangement allows the first baffle 111 and the second baffle 121 to be fine-tuned up and down during installation, thereby achieving a close fit with the upper end surface of the platform, thereby ensuring the safety and stability of maintenance personnel when standing on the first baffle 111 and the second baffle 121.

[0040] Further, such as Figures 1-3 A protective assembly is shown, wherein the second baffle 121 is further provided with an avoidance end 122, the avoidance end 122 is for the bracket to extend into, so that the protective plate assembly 1 cooperates with the bracket, and the first baffle 111 and the second baffle 121 are used to partially block the platform opening.

[0041] The second baffle plate 121 in the utility model further is equipped with the avoiding end 122 for the support to extend into, so that the second baffle plate 121 can not only block the opening at the cable side of the platform, but also can block the opening at the support side, and this setting ensures that the exposure area of the platform opening is further reduced under the premise of not affecting the function of the support, so as to improve the safety during maintenance operation; further, the utility model avoids the interference between the support and the protection plate assembly 1 through the setting of the avoiding end 122, ensures the compatibility of the protection plate assembly 1 and the original support, so as to reduce unnecessary replacement cost.

[0042] Further, as shown in Figures 1-4 The cable installation support further comprises a support assembly 2.

[0043] The cable installation support in the utility model further comprises a support assembly 2, and the support assembly 2 is used for fixing cables, and ensures the safe laying of the cables in the fan tower drum; through this setting, the cables can be effectively supported and fixed, the cables are prevented from sagging and displacing due to the weight of the cables or external factors, and the installation efficiency and reliability of the cables are improved; further, the support assembly 2 cooperates with the protection plate assembly 1, reduces the exposure area of the platform opening, and reduces the risk of personnel stepping in the air or falling objects from the sky.

[0044] The embodiments of the utility model are as follows:

[0045] Embodiment one:

[0046] Please refer to Figures 1 to 3 The utility model discloses a protection assembly, wherein the protection plate assembly 1 comprises a first protection plate body 11 and a second protection plate body 12. Through fixing the two bodies at the platform opening respectively, the cables can be stably positioned between the first protection plate body 11 and the second protection plate body 12. This setting effectively avoids the large swing of the cables due to external factors, and further reduces the potential safety risk caused by the too large swing of the cables. In addition, this setting also enables the first protection plate body 11 and the second protection plate body 12 to reduce the gap of the platform opening, so as to reduce the probability of the occurrence of safety risks such as personnel stepping in the air or falling objects from the sky. In addition, by setting the scratch-preventing end 13 on the first protection plate body 11 and the second protection plate body 12, this setting can avoid the problem that the cable surface is damaged due to the edge of the protection plate assembly 1.

[0047] During installation, the first guard plate body 11 and the second guard plate body 12 need to be accurately placed at the predetermined position of the upper end of the platform opening, and the fixed end 14 is used to realize the clamping connection with the platform opening. At the same time, the first baffle 111 and the second baffle 121 block part of the platform opening, which helps to reduce the size of the platform opening, thereby reducing the risk of personnel falling or falling objects. In addition, the side of the first baffle 111 and the second baffle 121 facing the cable is provided with a scratch-proof end 13, wherein the scratch-proof end 13 includes a first scratch-proof plate 131 and a second scratch-proof plate 132, and the first scratch-proof plate 131 and the first baffle 111, and the second scratch-proof plate 132 and the second baffle 121 are arranged at an angle of 85°. This can reduce the friction area when the cable contacts the edge of the baffle, effectively preventing the wear of the cable skin. At the same time, the avoiding end 122 on the second baffle 121 allows the support to smoothly extend into the avoiding end 122, which does not interfere with the function of the support, and ensures excellent compatibility between the guard plate assembly 1 and the support, further reducing the exposed area of the platform opening.

[0048] Then, in order to ensure that the first guard plate body 11 and the second guard plate body 12 can be firmly fixed at the platform opening, a bolt is used to fasten the connection hole 141 provided with a long hole on the fixed end 14 to the platform. The connection hole 141 is provided with a long hole, which facilitates fine adjustment of the guard plate assembly 1 during installation according to the actual situation, to ensure that the first baffle 111 and the second baffle 121 can tightly fit the upper end surface of the platform opening, thereby enhancing the stability and safety of the overall structure.

[0049] Subsequently, the installation of the scratch protection piece 133 is carried out. The scratch protection piece 133 is made of rubber material, and the use of the scratch protection piece 133 further avoids direct contact between the cable and the scratch-proof plate, further protecting the skin of the cable. In addition, the cross section of the scratch protection piece 133 is arranged in a C shape, and an installation inner cavity is provided inside. By using the installation inner cavity to respectively clamp connect the first scratch-proof plate 131 and the second scratch-proof plate 132 with the scratch protection piece 133, the firm connection between the scratch protection piece 133 and the scratch-proof end 13 is ensured. This step not only enhances the connection strength between the scratch protection piece 133 and the scratch-proof end 13, effectively avoids the risk of falling caused by external factors such as vibration during long-term use, but also improves the convenience of installation and replacement, thereby improving the work efficiency of maintenance work.

[0050] Example two:

[0051] Please refer to Figures 1 to 3 The features and installation steps of the present embodiment are similar to those of example one, except that in the present embodiment, the first scratch-proof plate 131 and the first baffle 111, and the second scratch-proof plate 132 and the second baffle 121 are arranged at an angle of 70°.

[0052] Embodiment three:

[0053] Please refer to Figures 1 to 3 , the features and installation steps of embodiment one, the difference is that the first anti-scratch plate 131 and the first baffle 111, the second anti-scratch plate 132 and the second baffle 121 are all set at an angle of 75°.

[0054] Embodiment four:

[0055] Please refer to Figures 1 to 4 Figures 1 to 4 , the features and installation steps of embodiment one, the difference is that the embodiment also includes a bracket assembly 2, the function of the bracket assembly 2 is to fix the cable, to ensure the safe laying of the cable in the fan tower.

[0056] The above is only to further illustrate the technical content of the utility model with examples, so that the reader is easier to understand, but not represent the embodiment of the utility model is limited to this, any technical extension or re-creation made according to the utility model, are protected by the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. A protection assembly, comprising a protection plate assembly (1), characterized in that: The protection plate assembly (1) is provided with a scratch-preventing end (13), and the protection plate assembly (1) is connected at the platform opening, and the scratch-preventing end (13) is used for avoiding scratching the cable surface when the cable passes through the platform opening.

2. A guard assembly according to claim 1, wherein: The protection plate assembly (1) comprises a first protection plate body (11) and a second protection plate body (12), and the first protection plate body (11) and the second protection plate body (12) are respectively fixed at the platform opening, and the cable is located between the first protection plate body (11) and the second protection plate body (12).

3. A guard assembly according to claim 2, wherein: The first protection plate body (11) is provided with a first baffle (111) connected at the platform opening, the second protection plate body (12) is provided with a second baffle (121) connected at the platform opening, and the scratch-preventing end (13) is respectively arranged at the first baffle (111) and the second baffle (121).

4. A guard assembly according to claim 3, wherein: The scratch-preventing end (13) comprises a first scratch-preventing plate (131) located on the side of the first baffle (111) close to the cable and a second scratch-preventing plate (132) located on the side of the second baffle (121) close to the cable, and the first baffle (111) and the first scratch-preventing plate (131) are arranged at a certain angle, and the second baffle (121) and the second scratch-preventing plate (132) are arranged at a certain angle.

5. A guard assembly according to claim 4, wherein: The first scratch-preventing plate (131) and the first baffle (111) are arranged at an angle of α, and the second scratch-preventing plate (132) and the second baffle (121) are arranged at an angle of β, and the angles of α and β are arranged in the range of 70°-85°.

6. A guard assembly according to claim 4, wherein: The scratch-preventing end (13) further comprises scratch-preventing protection pieces (133) connected with the first scratch-preventing plate (131) and the second scratch-preventing plate (132) respectively, the scratch-preventing protection pieces (133) are respectively covered on the surfaces of the first scratch-preventing plate (131) and the second scratch-preventing plate (132), and the scratch-preventing protection pieces (133) are made of rubber material.

7. A guard assembly according to claim 6, wherein: The scratch-preventing protection pieces (133) are arranged in a C-shaped cross section, the scratch-preventing protection pieces (133) are provided with mounting cavities, and the first scratch-preventing plate (131) and the second scratch-preventing plate (132) are respectively embedded into the mounting cavities to be connected with the scratch-preventing protection pieces (133).

8. A guard assembly according to claim 3, wherein: The first baffle (111) and the second baffle (121) are both provided with fixed ends (14) extending towards the direction of the platform opening, the fixed ends (14) are provided with connecting holes (141) connected with the platform opening, and the connecting holes (141) are arranged in a long hole.

9. A guard assembly according to claim 3, wherein: The second baffle (121) is further provided with a avoiding end (122), the avoiding end (122) is used for the support to extend into, so that the protection plate assembly (1) is matched with the support, and the first baffle (111) and the second baffle (121) are used for partially plugging the platform opening.

10. A cable mounting bracket, characterised in that: The support assembly (2) and the protection assembly according to any one of claims 1-9 are comprised.

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