An installation device

Abstract

This utility model discloses an installation device for installing a rod into a sleeve of a support device. It includes: a first support mechanism located at one end of the rod, comprising a first mounting frame and a first rolling support member mounted on the first mounting frame, the first rolling support member being used to roll against the inner wall of the sleeve; and a second support mechanism installed at the end of the support device along the installation direction of the rod, used to support the rod, comprising a second mounting frame and a plurality of second rolling support members mounted on the second mounting frame, the plurality of second rolling support members being used to support the rod and being in rolling contact with the rod. The installation device of this utility model can improve the installation efficiency of rods in the support device.

Description

Technical Field

[0001] This utility model belongs to the field of extrusion press technology, and specifically relates to an installation device. Background Technology

[0002] During the installation of the extruder, the hydraulic cylinder needs to be installed on the front and rear beams. Then, multiple tie rods are installed around the hydraulic cylinder, and bolts are locked at both ends of the tie rods. This allows the front and rear beams to be tightened through the tie rods, so that the hydraulic cylinder is stably installed on the front and rear beams as a whole, ensuring the stability of the hydraulic cylinder during the extrusion process.

[0003] In related technologies, when installing the tie rod, a sleeve connects the front beam and the rear beam. The tie rod is gradually pushed into the sleeve from one end until the threaded section at the end emerges from the other end. However, due to the long length of the tie rod, sometimes reaching 10 meters, and its weight reaching 10 tons, and because the tie rod experiences sliding friction with the inner wall of the sleeve during installation, resulting in significant friction, installation becomes difficult, and jamming is prone to occur due to the high friction. Utility Model Content

[0004] The purpose of this utility model is to disclose an installation device to solve the technical problem of difficulty in installing rods on support devices in the prior art.

[0005] To achieve the above objectives, this utility model discloses an installation device for installing a rod into the sleeve of a support device, comprising: A first support mechanism is provided at one end of the rod, including a first mounting frame and a first rolling support member provided on the first mounting frame. The first rolling support member is used to make rolling contact with the inner wall of the sleeve. The second support mechanism is installed at the end of the support device along the installation direction of the rod and is used to support the rod. It includes a second mounting frame and a plurality of second rolling support members disposed on the second mounting frame. The plurality of second rolling support members are used to support the rod and are in rolling contact with the rod.

[0006] As an optional implementation, the first support mechanism further includes an adjusting member, one end of which is fitted with the first rolling support member and threadedly connected to the first mounting bracket.

[0007] As an optional implementation, the first rolling support is a omnidirectional ball.

[0008] As an optional implementation, the installation device includes a plurality of the first support mechanisms, the first support structures being arranged circumferentially along the rod.

[0009] As an optional implementation, one of the first support mechanisms is arranged in a vertical direction, and the remaining first support mechanisms are arranged symmetrically with respect to the vertical plane of the rod. The included angle between any two adjacent first support mechanisms is between 30° and 90°.

[0010] As an optional implementation, the second support mechanism includes two second rolling supports; The second support mechanism further includes a connecting shaft and a pair of bearings. Two second rolling support members are sleeved on the connecting shaft, and the pair of bearings are located at both ends of the connecting shaft and are each supported by the second mounting bracket.

[0011] As an optional implementation, the second support mechanism further includes a drive motor connected to one end of the connecting shaft.

[0012] As an optional implementation, the second support mechanism further includes a first limiting sleeve and a plurality of gaskets. The first limiting sleeve and the plurality of gaskets are all sleeved on the connecting shaft. One end of the first limiting sleeve abuts against the bearing. The gaskets are disposed between the first limiting sleeve and the second rolling support, or between two of the second rolling supports.

[0013] As an optional implementation, the second rolling support includes a roller and a plastic sleeve fitted over the roller.

[0014] As an optional implementation, the plastic sleeve is provided with a relief groove in the radial direction, and the roller and the plastic sleeve are connected by bolts, with the bolts passing through the relief grooves.

[0015] Compared with the prior art, the beneficial effects of the installation device of this utility model are as follows: The installation device of this utility model includes a first support mechanism and a second support mechanism. The first support mechanism is directly installed on one end of the rod, and the first rolling support member and the inner wall of the sleeve make rolling contact. This reduces the contact area between the rod and the sleeve during the installation of the rod into the sleeve, thereby reducing the friction and facilitating the installation of the rod within the sleeve. Furthermore, the second support mechanism is provided on the support device. Since the second support mechanism also includes a second rolling support member, the second rolling support member and the rod also experience rolling friction when supporting the rod. Thus, during the entire installation process, the rod experiences rolling friction with both the first and second rolling support members, avoiding sliding friction on the inner wall of the sleeve, reducing the difficulty of installing the rod, and preventing wear on the threaded section at the end of the rod. Additionally, the installation can be performed by a single worker, reducing labor costs. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the support device after the installation of rods and cylinders in the prior art; Figure 2 yes Figure 1 Side view of the support device after mounting rods and cylinders; Figure 3 yes Figure 1 A schematic diagram of the rods during the installation process; Figure 4 This is a schematic diagram of the installation device according to an embodiment of the present utility model; Figure 5 yes Figure 4 Enlarged view of point I in the middle; Figure 6 This is a structural diagram of the first support mechanism in section 5; Figure 7 This is a structural diagram of the second support mechanism in section 5; Figure 8 This is a schematic diagram of the structure of the first support mechanism according to another embodiment of the present invention; Figure 9 This is a schematic diagram of the structure of the second support mechanism according to another embodiment of the present invention.

[0018] Explanation of key figure labels: 100-Installation device, 10-First support mechanism, 11-First mounting bracket, 12-First rolling support, 13-Adjusting component, 14-Mounting sleeve, 20-Second support mechanism, 21-Second mounting bracket, 22-Second rolling support, 221-Roller, 222-Plastic sleeve, 223-Allowing groove, 224-Bolt, 23-Connecting shaft, 24-Bearing, 25-First limiting sleeve, 26-Shim, 27-Second limiting sleeve, 28-Drive motor, 29-Coupling, 200-Ring, 210-Protective sleeve, 300-Support device, 310-Front beam, 320-Rear beam, 330-Sleeve, 400-Hydraulic cylinder, 500-Fabric belt, 600-Hook, 700-Trolley. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0021] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0022] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0023] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0024] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.

[0025] Please see Figure 1 and Figure 2This is a structural diagram of the rod 200 after installation. The front beam 310 and the rear beam 320 are set separately. The cylinder body of the hydraulic cylinder 400 is first installed on the front beam 310 and the rear beam 320. Then, multiple rods 200 (such as tie rods) are installed around the cylinder body. The two ends of the rod 200 are threaded sections. Each rod 200 is inserted into a sleeve 330, and the two ends of the rod 200 are locked to the front beam 310 and the rear beam 320 respectively with nuts, so that the cylinder body is locked to the front beam 310 and the rear beam 320 through the rods 200.

[0026] However, rod 200 is usually very long, generally up to 7m. For large-tonnage extruders, rod 200 can even be up to 10m long and weigh up to 10 tons.

[0027] Please see Figure 3 During the installation of member 200, a protective sleeve 210 is bolted to one end of member 200, and a cloth strap 500 is tied to the middle area. The cloth strap 500 is attached to the crane hook 600 and aligned with the mounting hole on the rear beam 320. A forklift is used to apply pushing force to gradually push member 200 into sleeve 330. During the pushing process, the forklift moves forward synchronously as member 200 is pushed in. When member 200 has entered a certain length, the position of cloth strap 500 is adjusted until member 200 enters the rear beam 320.

[0028] However, when installing the rod 200 using the above method, the protective sleeve 210 at the front end of the rod 200 and the inner wall of the sleeve 330 are subject to sliding friction. Furthermore, because the rod 200 is very heavy, the sliding friction with the inner wall of the sleeve 330 is significant. When encountering obstruction during installation, one worker needs to operate a forklift and control the throttle to apply different pushing forces to allow the rod 200 to pass through the transition area. Simultaneously, another worker needs to observe the alignment at the mounting hole of the front beam 310. Therefore, installing the rod 200 requires two workers, resulting in higher labor costs. Additionally, the gradual and slow application of pushing force during installation also leads to low installation efficiency.

[0029] Meanwhile, since the friction between the protective sleeve 210 at the end of the rod 200 and the inner wall of the sleeve 330 is already relatively large, when encountering obstruction, it is difficult for workers to determine whether the inability to move forward is due to friction or because there is a foreign object inside the sleeve 330. If there is a foreign object inside the sleeve 330, the forklift will apply greater pushing force to continue pushing forward, which may cause the foreign object to scratch the surface of the rod 200 or even damage the threaded section at the end, resulting in the rod 200 being scrapped. Since the rod 200 is expensive, this increases production costs.

[0030] Thus, when the existing technology directly applies a pushing force to install the rod 200, it not only has low installation efficiency and requires more manpower, but also easily damages the rod 200.

[0031] Example 1 To resolve the above technical issues, please refer to [link / reference]. Figures 4 to 7 The first embodiment of this application provides an installation device 100 for installing a rod 200 into a sleeve 330 of a support device 300, including a first support mechanism 10 and a second support mechanism 20.

[0032] The first support mechanism 10 is located at one end of the rod 200 and includes a first mounting frame 11 and a first rolling support 12 mounted on the first mounting frame 11. The first mounting frame 11 is connected to the rod 200, and the first rolling support 12 is used to roll in contact with the inner wall of the sleeve 330. The second support mechanism 20 is installed at the end of the support device 300 along the installation direction of the rod 200 and is used to support the rod 200. It includes a second mounting frame 21 and a plurality of second rolling support 22 mounted on the second mounting frame 21. The second mounting frame 21 is installed on the support device 300, and the plurality of second rolling support 22 are spaced apart to support the rod 200 and are in rolling contact with the rod 200.

[0033] The aforementioned installation device 100, by comprising a first support mechanism 10 and a second support mechanism 20, wherein the first support mechanism 10 is directly installed on one end of the rod 200 and rolls against the inner wall of the sleeve 330 via a first rolling support 12, reduces the contact area between the rod 200 and the sleeve 330 during the installation of the rod 200 into the sleeve 330, thereby reducing the friction and facilitating the installation of the rod 200 within the sleeve 330; furthermore, the second support mechanism 20 is provided on the support device 300, since the second support mechanism 20 also includes... The second rolling support 22, when supporting the rod 200, also experiences rolling friction with the rod 200. Thus, during the entire installation process, the rod 200 experiences rolling friction with both the first rolling support 12 and the second rolling support 22, avoiding sliding friction on the inner wall of the sleeve 330 and reducing the difficulty of installing the rod 200. This also avoids wear on the threaded section at the end of the rod 200. Furthermore, the installation of the rod 200 can be performed by a single worker, reducing labor costs.

[0034] Please see Figure 6In one embodiment of this utility model, the first support mechanism 10 further includes an adjusting member 13. One end of the adjusting member 13 is fitted with a first rolling support member 12 and is threadedly connected to the first mounting bracket 11. Thus, by rotating the adjusting member 13, the amount of protrusion of the first rolling support member 12 relative to the rod 200 can be adjusted, which is equivalent to adjusting the distance between the rod 200 and the inner wall of the sleeve 330, avoiding friction between the rod 200 and the inner wall of the sleeve 330. By setting it to a threaded adjustment method, small-distance adjustment can be achieved, improving adjustment accuracy.

[0035] It should be noted that, in order to avoid damage to the end of the rod 200, a protective sleeve 210 is first installed on the end of the rod 200, and then a first support mechanism 10 is installed on the side of the protective sleeve 210. The first rolling support 12 can be configured as a roller 221, with the roller 221 rolling in the axial direction of the rod 200, or it can be configured as a swivel ball. Since a swivel ball can rotate in all directions, it offers greater flexibility and facilitates the installation of the rod 200 within the sleeve 330.

[0036] Specifically, in this embodiment, the first rolling support 12 is set as a omnidirectional ball, and the first support mechanism 10 also includes a mounting sleeve 14. The omnidirectional ball is rotatably disposed inside the mounting sleeve 14 and exposed relative to the mounting sleeve 14, and can rotate in all directions, thereby increasing the flexibility of the rod 200 installation.

[0037] In this embodiment, two second rolling support members 22 are installed, symmetrically arranged with respect to the vertical cross-section of the rod 200. This provides support for the rod 200, achieving not only effective support but also reducing installation difficulty and cost. In other embodiments, three members can be used, for example, one second rolling support member 22 supporting the bottom of the rod 200 and two supporting the sides of the rod 200, which also provides support.

[0038] Further, please refer to Figure 7The schematic diagram of the second support mechanism 20 in this embodiment of the present invention shows that when two second rolling support members 22 are provided, in order to facilitate the installation of the two second rolling support members 22, the second support mechanism 20 also includes a connecting shaft 23 and a pair of bearings 24. The two second rolling support members 22 are sleeved on the connecting shaft 23, and the pair of bearings 24 are located at both ends of the connecting shaft 23 and are supported by the second mounting bracket 21. In this way, the two second rolling support members 22 are installed through the connecting shaft 23, and the two bearings 24 are provided to allow the connecting shaft 23 to rotate, ensuring the smoothness of the rotation of the second rolling support members 22 relative to the second mounting bracket 21 under the push of the rod 200.

[0039] It should be noted that, since the second rolling support 22 and the rod 200 are in contact in this embodiment, when the rod 200 moves axially, it can drive the second rolling support 22 to roll. At this time, the second support mechanism 20 of this embodiment can be adapted to the installation of rods 200 with smaller tonnage. Since the weight of the rod 200 is relatively small, the installation can be completed by dragging it with a crane, pushing it manually, or pushing it with a trolley 700.

[0040] Furthermore, since the rods 200 have different sizes, in order to facilitate the second support mechanism 20 of this embodiment to be adapted to the installation of rods 200 of different sizes, the second support mechanism 20 of this embodiment also includes a first limiting sleeve 25 and a plurality of shims 26. The first limiting sleeve 25 and the plurality of shims 26 are all sleeved on the connecting shaft 23. One end of the first limiting sleeve 25 abuts against the bearing 24. The shims 26 are disposed between the first limiting sleeve 25 and the second rolling support member 22, or between the two second rolling support members 22. In this way, the number of shims 26 can be increased or decreased according to the size of the rod 200, thereby adjusting the distance between the two second rolling support members 22 to adapt to the size of rods 200 of different sizes.

[0041] It should be noted that, in this embodiment, the distance between the two second rolling support members 22 can be limited by having a step in the middle region of the connecting shaft 23, i.e., the outer diameter of the middle region is larger, and the outer diameter of the position where the second rolling support member 22 is installed is smaller. After the second rolling support member 22 is fitted onto the connecting shaft 23, it prevents the second rolling support member 22 from moving towards the middle region of the connecting shaft 23. Alternatively, in other embodiments, a second limiting sleeve 27 can be provided in the region between the two second rolling support members 22 to limit the distance between the two second rolling support members 22.

[0042] Meanwhile, the second limiting sleeve 27 can also be used in conjunction with the shim 26. For example, the axial length of the second limiting sleeve 27 located in the middle can be set to be small, and the spacing between the two second rolling supports 22 can be ensured by adding shims 26, and the number of shims 26 can be adjusted according to the size of the rod 200.

[0043] It should be noted that, since the second rolling support 22 in this embodiment is supported on the side of the rod 200, in order to achieve the contact between the surface of the second rolling support 22 and the surface of the rod 200, the outer diameter of the second rolling support 22 gradually decreases towards the rod 200 along its own axial direction. That is, the shape of the second rolling support 22 is an inverted trumpet shape, so that the side wall of the second rolling support 22 can be in contact with the outer wall surface of the rod 200.

[0044] The installation process of the above-mentioned installation device 100 on the rod 200 is as follows: (1) Install the first support mechanism 10 at the front end of the rod 200; (2) The second support mechanism 20 is installed on the rear end of the support device 300 along the movement direction of the rod 200, that is, on the rear beam 320; (3) Tie the cloth strip 500 to the pull rod, and hook the cloth strip 500 onto the crane hook 600; (4) Under the push of the crane, the rod 200 is gradually pushed into the sleeve 330, or simultaneously pushed by the trolley 700; (5) After the rod 200 is pushed into place, lock the nuts at both ends of the rod 200.

[0045] The aforementioned installation device 100 reduces frictional resistance to the rod 200 by adjusting the sliding friction that occurs during the installation of the rod 200 to rolling friction at both ends, thereby improving the smoothness of the installation of the rod 200. When the rod 200 encounters obstruction during its movement, the device can directly eliminate the cause of the obstruction by addressing the frictional resistance and directly look for other causes of obstruction, thus quickly identifying and eliminating the obstruction and improving the efficiency of the installation of the rod 200.

[0046] Example 2 Please see Figure 8The difference between the mounting device 100 in this embodiment and the first embodiment is that, in order to further reduce the friction between the inner wall of the sleeve 330 and the rod 200, the mounting device 100 may be provided with a plurality of first support mechanisms 10. The plurality of first support mechanisms are arranged along the circumference of the rod 200. In this way, the first rolling support member 12 of each first support mechanism 10 has friction with the inner wall of the sleeve 330. The plurality of first rolling support members 12 generate friction with the inner wall of the sleeve 330 in the circumferential direction of the rod 200, which further avoids the situation of sliding friction between the rod 200 and the inner wall of the sleeve 330, and has a protective effect on the rod 200. At the same time, by having rolling friction with the inner wall of the sleeve 330 in multiple directions, the smoothness of pushing the rod 200 can be increased.

[0047] Understandably, since the weight of the rod 200 is vertically downward, when multiple first support mechanisms 10 are set, one of the first support mechanisms 10 is set in the vertical direction, and the remaining first support mechanisms 10 are set symmetrically with the vertical plane of the rod 200 as the symmetrical plane. The included angle between each pair of adjacent first support mechanisms 10 is between 30° and 90°. Thus, the weight of the rod 200 can be directly received by the first support mechanism 10 set vertically downward, and cooperate with the first support mechanisms 10 set in other directions to achieve rolling friction on the inner wall of the sleeve 330.

[0048] Specifically, in this embodiment, three first support mechanisms 10 are provided on the rod portion of the rod 200. By setting three first rolling support members 12, rolling friction is generated between them and the inner wall of the sleeve 330. The included angle between each pair of adjacent first rolling support members 12 is set to 90°. This not only achieves the effect of rolling contact with the inner wall of the sleeve 330, but also avoids setting too many of them, which would increase the installation cost and installation difficulty.

[0049] Example 3 Please see Figure 7Based on Embodiment 1 and Embodiment 2, in this embodiment, the second support mechanism 20 further includes a drive motor 28, which is connected to one end of the connecting shaft 23. Thus, the rotation of the drive motor 28 can directly drive the second rolling support member 22 to rotate. For example, after the initial stage where a portion of the rod 200 is pushed into the sleeve 330 by a crane, the cloth strap 500 can be removed. The cloth strap 500 does not need to be moved to another position to continue being installed by crane. At this point, the rotation of the drive motor 28 can provide rotation to the rod 200. The installation of 00 generates a pushing force, gradually installing the rod 200 into the sleeve 330. Therefore, it can avoid the prying of the rod 200 caused by the crane's secondary lifting, and reduce the possibility of the protective sleeve 210 damaging the sleeve 330 or the hole wall of the front beam 310 or the rear beam 320. Furthermore, by setting up a drive motor 28, when installing heavy-duty rods 200, it can provide additional driving force for the forward movement of the rod 200 in conjunction with a crane or trolley. When the second rolling support 22 rotates, it can drag the rod 200 forward, improving the efficiency of installing the rod 200.

[0050] Example 4 Based on Example 1, Example 2, or Example 3, please refer to Figure 9 In this embodiment, since the second rolling support 22 applies a forward driving force to the rod 200 during rotation, in order to ensure the driving force on the rod 200, the second rolling support 22 in this embodiment includes a roller 221 and a plastic sleeve 222 sleeved on the roller 221. In this way, by setting the plastic sleeve 222, the friction between the roller and the rod 200 can be increased, ensuring the driving force for dragging the rod 200 forward, and the driving capability is better. At the same time, the plastic sleeve 222 can also protect the roller 221. When the plastic sleeve 222 is worn, it can be replaced, which reduces the maintenance cost compared to directly replacing the roller 221.

[0051] The plastic sleeve 222 can be made of rubber or polyurethane, which are materials with high friction. Since rubber and polyurethane are wear-resistant and have high friction, they can improve the service life of the entire second rolling support 22 and ensure the driving effect.

[0052] Specifically, when installing the plastic sleeve 222, in this embodiment, the plastic sleeve 222 and the roller 221 are detachable. The plastic sleeve 222 is provided with a relief groove 223 in the radial direction. The roller 221 and the plastic sleeve 222 are connected by a bolt 224, and the bolt 224 passes through the relief groove 223. In this way, by setting the relief groove 223, the bolt 224 can be inserted to lock the plastic sleeve 222 onto the roller 221. At the same time, by using the bolt 224 connection, the plastic sleeve 222 can be easily disassembled and replaced after wear.

[0053] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. An installation device for installing a rod (200) into a sleeve (330) of a support device (300), characterized in that, include: The first support mechanism (10) is located at one end of the rod (200) and includes a first mounting frame (11) and a first rolling support (12) located on the first mounting frame (11). The first rolling support (12) is used to make rolling contact with the inner wall of the sleeve (330). The second support mechanism (20) is installed at the end of the support device (300) along the installation direction of the rod (200) and is used to support the rod (200). It includes a second mounting frame (21) and a plurality of second rolling support members (22) provided on the second mounting frame (21). The plurality of second rolling support members (22) are used to support the rod (200) and are in rolling contact with the rod (200).

2. The installation device according to claim 1, characterized in that, The first support mechanism (10) further includes an adjusting member (13), one end of which is fitted with the first rolling support member (12) and threadedly connected to the first mounting bracket (11).

3. The installation device according to claim 1 or 2, characterized in that, The first rolling support (12) is a omnidirectional ball.

4. The installation device according to claim 1 or 2, characterized in that, The installation device (100) includes a plurality of the first support mechanisms (10), the first support structures being arranged circumferentially along the rod (200).

5. The installation device according to claim 4, characterized in that, One of the first support mechanisms (10) is arranged in the vertical direction, and the other first support mechanisms (10) are arranged symmetrically with respect to the vertical plane of the rod (200); The included angle between any two adjacent first support mechanisms (10) is between 30° and 90°.

6. The installation device according to claim 1 or 2, characterized in that, The second support mechanism (20) includes two second rolling support members (22); The second support mechanism (20) further includes a connecting shaft (23) and a pair of bearings (24). Two second rolling support members (22) are sleeved on the connecting shaft (23), and the pair of bearings (24) are located at both ends of the connecting shaft (23) and are each supported by the second mounting bracket (21).

7. The installation device according to claim 6, characterized in that, The second support mechanism (20) also includes a drive motor (28), which is connected to one end of the connecting shaft (23).

8. The installation device according to claim 6, characterized in that, The second support mechanism (20) further includes a first limiting sleeve (25) and a plurality of gaskets (26). The first limiting sleeve (25) and the plurality of gaskets (26) are all sleeved on the connecting shaft (23). One end of the first limiting sleeve (25) abuts against the bearing (24). The gaskets (26) are disposed between the first limiting sleeve (25) and the second rolling support (22), or between two second rolling supports (22).

9. The installation device according to claim 1 or 2, characterized in that, The second rolling support (22) includes a roller (221) and a plastic sleeve (222) sleeved on the outside of the roller (221).

10. The installation device according to claim 9, characterized in that, The plastic sleeve (222) is provided with a relief groove (223) in the radial direction. The roller (221) and the plastic sleeve (222) are connected by a bolt (224), and the bolt (224) passes through the relief groove (223).

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