Mounting sleeve

Abstract

The utility model discloses a mounting sleeve, which belongs to the technical field of photovoltaic power station construction and is mainly used for mounting a photovoltaic module. The mounting sleeve comprises a shell internally provided with a first bevel gear and a second bevel gear, the center of the first bevel gear is provided with a first rotating shaft, one end of the first rotating shaft is fixedly connected with an electric wrench connecting unit, and the first rotating shaft penetrates through the shell and is connected with the shell through a first bearing; a second bevel gear is arranged on one side of the first bevel gear, the second bevel gear is in meshing transmission with the first bevel gear, a second rotating shaft with one end fixedly connected with a bolt sleeve is arranged in the center of the second bevel gear, and the second rotating shaft penetrates through the shell and is connected with the shell through a second bearing. When the installation sleeve is used for screwing a bolt of a photovoltaic purline, the installation sleeve is driven by an electric wrench to rotate, nut screwing in a narrow space can be achieved, the purline can be rapidly installed, the installation sleeve cannot collide with the edge of the purline, the installation quality is guaranteed, the labor intensity is reduced, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power station construction, in particular to an installation sleeve for installing photovoltaic modules. Background Technique

[0002] During the construction of a photovoltaic power station, installation sockets such as universal joints, flexible shafts, and ratchet wrenches are mainly used during the installation of photovoltaic modules. However, in actual operation, to reduce the manufacturing cost of the brackets, the purlin width of some photovoltaic power stations is only 60 mm. In this construction situation, especially in Figure 1 places where purlin nuts need to be screwed as shown, the actual operation space is narrow, and conventional universal joints, flexible shafts, ratchet wrenches, etc. are difficult to rotate therein; for example, the rotation space of the universal joint is greatly restricted. During the installation process, due to improper angle adjustment or narrow operation space, the universal joint is prone to bumping against the edge of the purlin, which will not only damage the surface of the purlin, but may also cause the bracket to deform or the stainless steel bolt to loosen due to excessive impact force, thereby affecting the stability and safety of the photovoltaic module; while the flexible shaft mainly operates by bypassing obstacles through its flexibility. When operating between narrow purlins, its control accuracy will be significantly reduced, and it is difficult for construction workers to accurately sense and control the torque, which easily leads to uneven or over-tightening of the bolts, affecting the installation quality. In addition, the operation efficiency of the flexible shaft in a narrow space is also greatly reduced, increasing the installation time and labor cost; although the ratchet wrench has the advantages of simple structure and convenient use, its efficiency problem is particularly prominent when facing a large number of dense bolt tightening tasks. Frequent operation between narrow purlins not only increases the physical consumption of the operator, but also easily leads to hand fatigue and incorrect operation. In the long run, it will not only affect the installation progress, but may also have an adverse impact on the bolt tightening quality, thereby affecting the installation efficiency of the photovoltaic module. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an installation sleeve, which is mainly used for the installation of photovoltaic modules, so as to achieve the purpose of being applicable to the installation of purlins with narrow operation space, having good installation quality, and improving the installation efficiency.

[0004] An installation sleeve disclosed by the utility model comprises a housing. A first bevel gear and a second bevel gear are arranged inside the housing. A first rotating shaft is fixedly arranged at the center of the first bevel gear. One end of the first rotating shaft away from the first bevel gear penetrates through the housing and is fixedly connected with an electric wrench connection unit. A first bearing is arranged on the first rotating shaft. The outer ring of the first bearing is fixedly connected with the housing, and the inner ring of the first bearing is fixedly connected with the first rotating shaft. A second bevel gear is arranged on one side of the first bevel gear. The second bevel gear is meshed with the first bevel gear for transmission. A second rotating shaft is fixedly arranged at the center of the second bevel gear. One end of the second rotating shaft away from the second bevel gear penetrates through the housing and is fixedly connected with a bolt sleeve. A second bearing is arranged on the second rotating shaft. The outer ring of the second bearing is fixedly connected with the housing, and the inner ring of the second bearing is fixedly connected with the second rotating shaft.

[0005] Furthermore, a first telescopic rod is further arranged between the first rotating shaft and the electric wrench connection unit. One end of the first telescopic rod is fixedly connected with the first rotating shaft, and the other end is connected with the electric wrench connection unit. A second telescopic rod is further arranged between the second rotating shaft and the bolt sleeve.

[0006] As a preferred mode, the first telescopic rod and the second telescopic rod are electric push rods.

[0007] As a preferred mode, the bolt sleeve is detachably arranged on the second telescopic rod.

[0008] Furthermore, the housing is spherical.

[0009] As a preferred mode, the housing is a transparent housing.

[0010] The beneficial effects of the utility model are as follows: By arranging a first bevel gear and a second bevel gear with mutually perpendicular central axes inside the housing, the transmission is converted to another direction. The electric wrench connection unit is arranged to be connected with an existing electric wrench, so that the installation sleeve can be driven by the electric wrench. When it is necessary to screw and fix a slanted purlin, only need to insert the bolt sleeve on the installation sleeve into it, and make it be clamped with the bolt to be screwed. Then connect the electric wrench connection unit with the existing electric wrench, and drive it to rotate by the electric wrench to realize the screwing of nuts in a narrow space, quickly install the purlin, make its connection stable, and will not collide with the edge of the purlin to damage the surface of the purlin, ensure the installation quality, and can directly drive the installation sleeve by the electric wrench to reduce the labor intensity of operators and improve the installation efficiency. Description of the Drawings

[0011] Figure 1 : Structural schematic diagram of a slant-installed purlin;

[0012] Figure 2: Schematic structural diagram of the installation sleeve provided by the present utility model;

[0013] Figure 3 : Schematic structural diagram of the connection structure between the first bevel gear and the second bevel gear;

[0014] Figure 4 : Schematic structural diagram of the bolt sleeve connected to the second bevel gear;

[0015] Reference numerals: 1 - purlin; 11 - purlin nut; 2 - housing; 3 - first bevel gear; 31 - first rotating shaft; 32 - first telescopic rod; 33 - first bearing; 4 - second bevel gear; 41 - second rotating shaft; 42 - second telescopic rod; 43 - second bearing; 5 - electric wrench connection unit; 6 - bolt sleeve. Detailed implementation manners

[0016] The present utility model will be further described below.

[0017] The present utility model provides an installation sleeve, which is mainly used for the installation of photovoltaic modules, and includes a housing 2. A first bevel gear 3 and a second bevel gear 4 are arranged in the housing 2. A first rotating shaft 31 is fixedly arranged at the center of the first bevel gear 3. One end of the first rotating shaft 31 away from the first bevel gear 3 penetrates through the housing 2 and is fixedly connected with an electric wrench connection unit 5. A first bearing 33 is arranged on the first rotating shaft 31. The outer ring of the first bearing 33 is fixedly connected with the housing 2, and the inner ring of the first bearing 33 is fixedly connected with the first rotating shaft 31. A second bevel gear 4 is arranged on one side of the first bevel gear 3. The second bevel gear 4 is in meshing transmission with the first bevel gear 3. A second rotating shaft 41 is fixedly arranged at the center of the second bevel gear 4. One end of the second rotating shaft 41 away from the second bevel gear 4 penetrates through the housing 2 and is fixedly connected with a bolt sleeve 6. A second bearing 43 is arranged on the second rotating shaft 41. The outer ring of the second bearing 43 is fixedly connected with the housing 2, and the inner ring of the second bearing 43 is fixedly connected with the second rotating shaft 41.

[0018] Such as Figures 2 - 4As shown in the figure, the installation sleeve for the connection and installation of photovoltaic purlins includes a housing 2. Inside the housing 2, there is a first bevel gear 3 and a second bevel gear 4. The second bevel gear 4 is arranged on one side of the first bevel gear 3 and meshes with the first bevel gear 3 for transmission. Specifically, the central axis of the second bevel gear 4 is perpendicular to the central axis of the first bevel gear 3 to ensure that the first bevel gear 3 can drive the second bevel gear 4 to rotate. And by setting the housing 2, it is ensured that the second bevel gear 4 and the first bevel gear 3 will not shift during rotation. The housing 2 can be spherical to avoid damage to the purlin caused by sharp edges when it extends into a narrow space and is stuck with the bolt to be screwed and collides with the purlin; A first rotating shaft 31 is fixedly provided at the center of the first bevel gear 3. The other end of the first rotating shaft 31 penetrates through the housing 2 and is connected to the housing 2 through a first bearing 33. The outer ring of the first bearing 33 is fixedly connected to the housing 2, and the inner ring of the first bearing 33 is fixedly connected to the first rotating shaft 31, so that the first rotating shaft 31 can rotate in the housing 2 without shifting; One end of the first rotating shaft 31 outside the housing 2 is connected with an electric wrench connection unit 5 that can be adapted to an electric wrench. Specifically, the electric wrench connection unit 5 can adopt a connection block as described in CN112223192A "An Electric Wrench". The connection block is inserted on the output shaft of the electric wrench, and then the connection block is welded to the first rotating shaft 31; The electric wrench connection unit 5 can also adopt an existing hexagonal nut that can be adapted to a socket as described in CN117984263A "An Electric Wrench", and the hexagonal nut is welded to the first rotating shaft 31; A second rotating shaft 41 is fixedly provided at the center of the second bevel gear 4. The other end of the second rotating shaft 41 penetrates through the housing 2 and is connected to the housing 2 through a second bearing 43. The outer ring of the second bearing 43 is fixedly connected to the housing 2, and the inner ring of the second bearing 43 is fixedly connected to the second rotating shaft 41, so that the second rotating shaft 41 can rotate in the housing 2 without shifting; One end of the second rotating shaft 41 outside the housing 2 is provided with a bolt sleeve 6. The bolt sleeve 6 can be selected as a hexagonal bolt sleeve with different inner diameters according to the purlin nut to be screwed, so that the installation sleeve can screw and reinforce bolts of different models.The installation sleeve converts the transmission to another direction by arranging a first bevel gear 3 and a second bevel gear 4 with perpendicular central axes in the housing 2. An electric wrench connection unit 5 is arranged to connect with an existing electric wrench, so that the installation sleeve can be driven by the electric wrench. The electric wrench drives the first rotating shaft 31 to rotate, thereby driving the first bevel gear 3 to rotate. The first bevel gear 3 drives the second bevel gear 4 meshing with it to rotate. The second rotating shaft 41 on the second bevel gear 4 then starts to rotate, thereby driving the bolt sleeve 6 fixedly connected to the second rotating shaft 41 to rotate. Then, the bolt sleeve 6 is used to tighten the bolt to be screwed, and the purlin nut is screwed to fix the purlin. When it is necessary to screw and fix an inclined purlin, only need to insert the bolt sleeve 6 on the installation sleeve into it and engage it with the bolt to be screwed. Then connect the electric wrench connection unit 5 with an existing electric wrench, and drive its rotation by the electric wrench to realize the screwing of the nut in a narrow space, quickly install the purlin, make its connection stable, and it will not collide with the edge of the purlin to damage the surface of the purlin, ensure the installation quality, and can directly use the electric wrench to drive the installation sleeve to reduce the labor intensity of the operator and improve the installation efficiency.

[0019] To enable the installation sleeve to be suitable for the installation and connection of purlins with different space sizes and to screw and install bolts in narrow spaces, as Figure 2 shown, a first telescopic rod 32 is further arranged between the first rotating shaft 31 and the electric wrench connection unit 5. One end of the first telescopic rod 32 is fixedly connected to the first rotating shaft 31, and the other end is connected to the electric wrench connection unit 5; a second telescopic rod 42 is also arranged between the second rotating shaft 41 and the bolt sleeve 6. By arranging the first telescopic rod 32 between the first rotating shaft 31 and the electric wrench connection unit 5, the position of the bolt sleeve 6 is adjusted by adjusting the length of the first telescopic rod 32, so that when it is impossible to insert the entire installation sleeve into a narrow space, the bolt sleeve 6 can be aligned with the bolt to be screwed; then, by adjusting the length of the second telescopic rod 42, the bolt sleeve 6 is inserted into the position of the bolt to be screwed. After the bolt sleeve 6 is clamped with the bolt, start the electric wrench connected to the electric wrench sleeve, drive the first bevel gear 3 to rotate, drive the second bevel gear 4 to rotate by the first bevel gear 3, and then drive the bolt sleeve 6 to rotate to tighten the bolt, and fix the purlin connection well.

[0020] To facilitate the control of the telescopic distances of the first telescopic rod 32 and the second telescopic rod 42 and without manual adjustment, the first telescopic rod 32 and the second telescopic rod 42 are electric push rods. By using electric push rods, their telescopic movements can be directly controlled by a controller electrically connected to them, without the need to manually screw and adjust the lengths of the first telescopic rod 32 and the second telescopic rod 42. When it is impossible to manually adjust in a narrow space, the controller can also be used to control the telescopic adjustment of the electric push rods.

[0021] To facilitate the installation sleeve to be applicable to different bolts for screwing different types of bolts to connect the purlins of the photovoltaic power station, the bolt sleeve 6 is detachably arranged on the second telescopic rod 42; specifically, a mortise and tenon connection or a detachable connection method such as bolts and pins is adopted between the bolt sleeve 6 and the second telescopic rod 42, and the bolt sleeve 6 is replaced according to the bolt model to be screwed during use.

[0022] To facilitate fixing the relative positions of the first bevel gear 3 and the second bevel gear 4 and at the same time reduce the volume of the housing 2, the housing 2 is spherical to avoid damaging the purlin due to sharp edges when colliding with the purlin when extending into a narrow space and getting stuck with the bolt to be screwed. Further, to facilitate observing and overhauling the working conditions of the first bevel gear 3 and the second bevel gear 4 and timely discovering problems for adjustment and repair, the housing 2 is a transparent housing. Specifically, it can be made of existing transparent acrylic plates.

Claims

1. An installation sleeve, characterized in that: It includes a housing (2), inside which a first bevel gear (3) and a second bevel gear (4) are provided. A first rotating shaft (31) is fixedly provided at the center of the first bevel gear (3). One end of the first rotating shaft (31) away from the first bevel gear (3) penetrates the housing (2) and is fixedly connected to an electric wrench connection unit (5). A first bearing (33) is provided on the first rotating shaft (31). The outer ring of the first bearing (33) is fixedly connected to the housing (2), and the inner ring of the first bearing (33) is fixedly connected to the first rotating shaft (31). A second bevel gear (4) is provided on one side of the first bevel gear (3). The second bevel gear (4) is in meshing transmission with the first bevel gear (3). A second rotating shaft (41) is fixedly provided at the center of the second bevel gear (4). One end of the second rotating shaft (41) away from the second bevel gear (4) penetrates the housing (2) and is fixedly connected to a bolt sleeve (6). A second bearing (43) is provided on the second rotating shaft (41). The outer ring of the second bearing (43) is fixedly connected to the housing (2), and the inner ring of the second bearing (43) is fixedly connected to the second rotating shaft (41).

2. The mounting sleeve according to claim 1, wherein: The housing (2) is spherical.

3. The installation sleeve according to claim 2, characterized in that: The housing (2) is a transparent housing.

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