Pipeline support for pipeline construction of assembly type machine room

Abstract

The utility model relates to the related technical field of pipeline supports for machine room pipeline construction, in particular to an assembly type machine room pipeline construction pipeline support which comprises a first supporting rod, adjusting mechanisms are arranged on the two sides of the first supporting rod, and a clamping mechanism is arranged on one side of each adjusting mechanism. When a machine room pipeline needs to be installed, a transmission shaft can rotate, a handle of the transmission shaft is rotated, sliding of a rack can drive a connecting block and a first clamping support to move, and therefore the first clamping support is adjusted to the proper height to be matched with the size of the pipeline, and then the pipeline can be installed by loosening a nut of a fifth bolt. The first clamping supports can be rotationally adjusted with the connecting blocks, so that the first clamping supports can be comprehensively attached to the outer wall of the pipeline, the machine room pipeline can be continuously and stably fixed through mutual matching of the four sets of first clamping supports and the two sets of second clamping supports, and the construction efficiency of a modern machine room is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to a pipe bracket for pipeline construction in a machine room, and in particular to a pipe bracket for pipeline construction in an assembled machine room. Background Art

[0002] Pipe supports for computer room pipeline construction play a vital role in computer room construction and various pipeline laying projects. With the continuous development of science and technology and the increasing complexity of computer room equipment, the number and types of various pipelines in the computer room, such as water pipes, gas pipes, cables, etc., are also increasing. These pipelines need to be reasonably arranged and supported to ensure their safe and stable operation. Pipe supports are an indispensable part of computer room pipeline construction. Their reasonable selection and installation are of great significance to the safe operation and efficient management of the computer room. Therefore, there is a special need for a pipe support for prefabricated computer room pipeline construction.

[0003] However, the existing pipe supports for pipeline construction in prefabricated computer rooms do not have corresponding adjustment mechanisms and clamping mechanisms inside during use. Therefore, when fixing and installing the pipelines, the pipe supports cannot adapt well to the on-site conditions of the prefabricated computer rooms. Different types of pipes require additional corresponding accessories for installation, which increases the cost. At the same time, since the components cannot be quickly spliced ​​and installed on site, the construction period is delayed, affecting the overall layout of the computer room. Utility Model Content

[0004] The purpose of the utility model is to provide a pipe support for the construction of pipelines in an assembled computer room, so as to solve the problem that the existing pipe support for the construction of pipelines in an assembled computer room proposed in the above-mentioned background technology does not have a corresponding adjustment mechanism and a clamping mechanism inside the pipe support for the construction of pipelines in an assembled computer room during use, so that when fixing and installing the pipelines, it is not possible to adapt well to the on-site conditions of the assembled computer room, and corresponding accessories need to be added for the installation of different types of pipes, thereby increasing the cost. At the same time, since the components cannot be quickly spliced ​​and installed on site, the construction period is delayed, affecting the overall layout of the computer room.

[0005] To achieve the above-mentioned object, the utility model provides the following technical solutions: a pipe support for pipeline construction in an assembled machine room, comprising a first support rod, both sides of the first support rod are provided with adjustment mechanisms, and one side of the adjustment mechanism is provided with a clamping mechanism;

[0006] The adjusting mechanism comprises a first sliding groove, a first fixed groove, a first sliding block, a first bolt, a first sliding shell, a third bolt, a first fixed plate, a second sliding shell, a second bolt, a second sliding block, a second support rod, a second sliding groove, a second fixed groove, a fourth bolt, a third support rod, a third sliding shell, a third sliding groove, a third fixed groove and a second fixed plate, a first sliding groove is provided on one side of the first support rod, a first fixed groove is provided on one side of the first support rod, a first sliding block is slidably connected to a surface of the first sliding groove, a first bolt is fixedly connected to a side of the first sliding block, a first sliding shell is penetrated on one side of the surface of the first bolt, a third bolt is movably sleeved on a surface of the first fixed groove, and a thread is formed on one side of the surface of the third bolt A first fixing plate is connected, a second sliding shell is penetrated and connected on one side of the third bolt surface, a second bolt is movably sleeved on one side of the second sliding shell, a second sliding block is fixedly connected to one end of the second bolt, a second support rod is fitted on the surface of one side of the second sliding shell, a second sliding groove is opened on one side of the second support rod, a second fixing groove is opened on one side of the second support rod, a fourth bolt is movably sleeved on the surface of the second fixing groove, a third support rod is penetrated and connected on one side of the fourth bolt surface, a third sliding shell is penetrated and connected on one side of the fourth bolt surface, a third sliding groove is opened on one side of the third support rod, a third fixing groove is opened on one side of the third support rod, and a second fixing plate is threadedly connected on one side of the fourth bolt surface.

[0007] Preferably, the second support rod is fixedly connected to the first support rod by means of a third bolt, a first fixing plate, a second sliding shell, a second bolt, and a second sliding block, and the first support rod is provided in two groups.

[0008] Preferably, the third support rod is fixedly connected to the second support rod through a second sliding groove, a second fixing groove, a fourth bolt, a third sliding shell, a third sliding groove, a third fixing groove, and a second fixing plate, and the second support rod is provided in two groups.

[0009] Preferably, the clamping mechanism includes an outer shell, a fourth sliding groove, a rack, a gear, a transmission shaft, a connecting block, a fifth bolt, a first clamp support, a limiting column and a second clamp support, one end of the first sliding shell is fixedly connected to the outer shell, a fourth sliding groove is provided inside the outer shell, a rack is slidably connected to the surface of the fourth sliding groove, one side of the rack is meshingly connected to the gear, the inner surface of the gear is fixedly connected to the transmission shaft, one end of the rack is fixedly connected to the connecting block, one side of the connecting block is movably sleeved with a fifth bolt, one side of the surface of the fifth bolt is penetrated and connected with the first clamp support, one side of the outer shell is slidably connected to the limiting column, and one end of the first sliding shell is fixedly connected to the second clamp support.

[0010] Preferably, the first clamping bracket is fixedly connected to the connecting block via a fifth bolt, and the first clamping bracket is slidably connected to the housing via a fourth sliding groove, a rack, a gear, a transmission shaft, a connecting block, and a fifth bolt.

[0011] Preferably, the first clamping bracket is fixedly connected to the first support rod through a first sliding block, a first bolt, a first sliding shell, and a first sliding groove.

[0012] Compared with the prior art, the beneficial effect of the utility model is that the pipe support for the pipeline construction of the prefabricated computer room is provided with corresponding adjustment mechanisms and clamping mechanisms inside, so that when the pipeline is fixed and installed, it can be well adapted to the on-site conditions of the prefabricated computer room, and different types of pipes can be installed without additional corresponding accessories, thereby reducing costs. At the same time, since the components can be quickly spliced ​​and installed on site, the construction period is greatly shortened, and the construction efficiency of modern computer rooms is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the side view of the appearance structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the cooperation between the partial adjustment mechanism and the first support rod of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of some adjustment mechanisms of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the mutual cooperation between the partial adjustment mechanism and the clamping mechanism of the utility model;

[0017] Figure 5 It is a schematic diagram of the structure in which some adjusting mechanisms and clamping mechanisms cooperate with each other in the utility model.

[0018] In the figure: 1, first support rod; 2, adjustment mechanism; 201, first sliding groove; 202, first fixed groove; 203, first sliding block; 204, first bolt; 205, first sliding shell; 206, third bolt; 207, first fixed plate; 208, second sliding shell; 209, second bolt; 210, second sliding block; 211, second support rod; 212, second sliding groove; 213, second fixed groove; 214, fourth bolt; 215, third support rod; 216, third sliding shell; 217, third sliding groove; 218, third fixed groove; 219, second fixed plate; 3, clamping mechanism; 301, housing; 302, fourth sliding groove; 303, rack; 304, gear; 305, transmission shaft; 306, connecting block; 307, fifth bolt; 308, first clamping support; 309, second clamping support. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-5 , the utility model provides a technical solution: a pipe support for the construction of pipelines in an assembled machine room, comprising a first support rod 1, both sides of the first support rod 1 are provided with an adjustment mechanism 2, and one side of the adjustment mechanism 2 is provided with a clamping mechanism 3;

[0021] The adjustment mechanism 2 includes a first sliding groove 201, a first fixed groove 202, a first sliding block 203, a first bolt 204, a first sliding shell 205, a third bolt 206, a first fixed plate 207, a second sliding shell 208, a second bolt 209, a second sliding block 210, a second support rod 211, a second sliding groove 212, a second fixed groove 213, a fourth bolt 214, a third support rod 215, a third sliding shell 216, a third sliding groove 217, a third fixed groove 218 and a second fixed plate 219. The first support rod 1 has a first sliding groove 201 on one side, and a first fixed groove 202 on one side. The first sliding groove 201 A first sliding block 203 is slidably connected to the surface of the first sliding block 203, a first bolt 204 is fixedly connected to one side of the first sliding block 203, a first sliding shell 205 is penetrated and connected to one side of the surface of the first bolt 204, a third bolt 206 is movably sleeved on the surface of the first fixing groove 202, a first fixing plate 207 is threadedly connected to one side of the surface of the third bolt 206, a second sliding shell 208 is penetrated and connected to one side of the surface of the third bolt 206, a second bolt 209 is movably sleeved on one side of the second sliding shell 208, one end of the second bolt 209 is fixedly connected to the second sliding block 210, a second support rod 211 is attached to the surface of one side of the second sliding shell 208, and the second support rod 212 is attached to the second support rod 213. A second sliding groove 212 is provided on one side of the second support rod 211, a second fixing groove 213 is provided on one side of the second support rod 211, a fourth bolt 214 is movably sleeved on the surface of the second fixing groove 213, a third support rod 215 is penetrated and connected on one side of the surface of the fourth bolt 214, a third sliding shell 216 is penetrated and connected on one side of the surface of the fourth bolt 214, a third sliding groove 217 is provided on one side of the third support rod 215, a third fixing groove 218 is provided on one side of the third support rod 215, and a second fixing sheet 219 is threadedly connected on one side of the surface of the fourth bolt 214. During use, when it is necessary to install the pipeline in the machine room, the adjustment mechanism 2 can be assembled on site according to According to different machine room layouts and pipeline requirements, the second support rod 211 is first fixed to the first support rod 1 by the third bolt 206, the first fixing plate 207, the second sliding shell 208, the second bolt 209, and the second sliding block 210, and then the second support rod 211 is aligned with the third support rod 215, and then the second support rod 211 is fixed to the third support rod 215 by the fourth bolt 214, the third sliding shell 216, and the second fixing plate 219. The connection position between the first support rod 1, the second support rod 211, and the third support rod 215 can be adjusted by the third bolt 206, the second bolt 209, and the fourth bolt 214 to adapt to different machine room layouts and pipeline requirements.

[0022] Furthermore, the second support rod 211 is fixedly connected to the first support rod 1 by the third bolt 206, the first fixing plate 207, the second sliding shell 208, the second bolt 209, and the second sliding block 210. The first support rod 1 is provided as two groups. By providing the second support rod 211, the third bolt 206, the first fixing plate 207, the second sliding shell 208, the second bolt 209, the second sliding block 210 and the first support rod 1, different positions can be adjusted between the second support rod 211 and the first support rod 1 when the third bolt 206 is removed, which is beneficial to improving the adaptability of the pipe support for the construction of the pipeline in the prefabricated machine room. By providing two groups of the first support rods 1, the stability of the overall support of the machine room pipeline is facilitated.

[0023] Furthermore, the third support rod 215 is fixedly connected to the second support rod 211 through the second sliding groove 212, the second fixing groove 213, the fourth bolt 214, the third sliding shell 216, the third sliding groove 217, the third fixing groove 218, and the second fixing plate 219. The second support rod 211 is arranged in two groups. Through the arrangement of the third support rod 215, the second sliding groove 212, the second fixing groove 213, the fourth bolt 214, the third sliding shell 216, the third sliding groove 217, the third fixing groove 218, the second fixing plate 219 and the second support rod 211, when the fourth bolt 214 is removed, the second support rod 211 can be adjusted to different positions with the third support rod 215, so that the adjustment mechanism 2 can adapt to different machine room layouts and pipeline requirements. By setting two groups of second support rods 211, the cost is reduced, and it is also conducive to the rapid splicing and installation of components on site.

[0024] Furthermore, the clamping mechanism 3 includes a housing 301, a fourth sliding groove 302, a rack 303, a gear 304, a transmission shaft 305, a connecting block 306, a fifth bolt 307, a first clamping support 308, a limiting column 309 and a second clamping support 310. One end of the first sliding shell 205 is fixedly connected to the housing 301, a fourth sliding groove 302 is provided inside the housing 301, a surface of the fourth sliding groove 302 is slidably connected to the rack 303, and one side of the rack 303 is meshedly connected to the gear 304, the inner surface of the gear 304 is fixedly connected to a transmission shaft 305, one end of the rack 303 is fixedly connected to a connecting block 306, one side of the connecting block 306 is movably sleeved with a fifth bolt 307, one side of the surface of the fifth bolt 307 is penetrated and connected with a first clamping support 308, one side of the housing 301 is slidably connected to a limiting column 309, and one end of the first sliding housing 205 is fixedly connected to a second clamping support 310. During use, when it is necessary to fix the pipeline in the machine room, it is pre-installed according to the pipeline. The size of the pipeline is determined by the size of the pipeline, and the spacing between the two groups of first clamping supports 308 is determined. Then, the transmission shaft 305 can be rotated by manually sliding the limit column 309. By turning the handle of the transmission shaft 305, the transmission shaft 305 will drive the gear 304 to rotate. The rotation of the gear 304 will drive the rack 303 to slide in the fourth sliding groove 302. The sliding of the rack 303 will drive the connecting block 306 and the first clamping support 308 to move, so that the first clamping support 308 can be adjusted to a suitable height to adapt to the pipeline size. Then, by loosening the nut of the fifth bolt 307, the first clamping support 308 can be rotated and adjusted with the connecting block 306, so that the first clamping support 308 can be fully fitted with the outer wall of the pipeline. Through the mutual cooperation of the four groups of first clamping supports 308 and the two groups of second clamping supports 310 in the upper and lower parts, the pipeline can be firmly fixed on the first support rod 1. Then, according to the pipeline length of the machine room pipeline, the number of clamping mechanisms 3 is appropriately increased, so that the machine room pipeline can be provided with continuous and stable fixation.

[0025] Furthermore, the first clamp support 308 is fixedly connected to the connecting block 306 by the fifth bolt 307, and the first clamp support 308 is slidably connected to the shell 301 by the fourth sliding groove 302, the rack 303, the gear 304, the transmission shaft 305, the connecting block 306, and the fifth bolt 307. Through the arrangement of the first clamp support 308, the fifth bolt 307 and the connecting block 306, the first clamp support 308 can be adapted to different pipe sizes by the tightness of the fifth bolt 307, which is beneficial to improving the efficiency of the pipeline construction in the machine room. Through the arrangement of the first clamp support 308, the fourth sliding groove 302, the rack 303, the gear 304, the transmission shaft 305, the connecting block 306, the fifth bolt 307 and the shell 301, the height of the first clamp support 308 can be adjusted to adapt to the different environmental requirements of the machine room pipeline construction site.

[0026] Furthermore, the first clamping support 308 is fixedly connected to the first support rod 1 through the first sliding block 203, the first bolt 204, the first sliding shell 205, and the first sliding groove 201. Through the arrangement of the first clamping support 308, the first sliding block 203, the first bolt 204, the first sliding shell 205, the first sliding groove 201 and the first support rod 1, the first clamping support 308 can firmly fix the pipe of the machine room pipeline on the first support rod 1, thereby ensuring the construction efficiency of the modern machine room.

[0027] Working principle: During use, when it is necessary to install the pipeline in the machine room, the adjustment mechanism 2 can be assembled on site. According to different machine room layouts and pipeline requirements, the second support rod 211 is first fixed to the first support rod 1 by the third bolt 206, the first fixing plate 207, the second sliding shell 208, the second bolt 209, and the second sliding block 210. Then, the second support rod 211 is aligned with the third support rod 215, and then the second support rod 211 is fixed to the third support rod 215 by the fourth bolt 214, the third sliding shell 216, and the second fixing plate 219. The third bolt 206, the second bolt 209, and the fourth bolt 214 can be used to adjust the first support rod 1, the second support rod 211, and the third support rod 215. 5, so as to adapt to different machine room layouts and pipeline requirements, through the arrangement of the second support rod 211, the third bolt 206, the first fixing plate 207, the second sliding shell 208, the second bolt 209, the second sliding block 210 and the first support rod 1, when the third bolt 206 is removed, different positions between the second support rod 211 and the first support rod 1 can be adjusted, which is beneficial to improving the adaptability of the pipeline support for the construction of the assembled machine room pipeline. The arrangement of two groups of first support rods 1 is beneficial to the stability of the overall support of the machine room pipeline. Through the third support rod 215, the second sliding groove 212, the second fixing groove 213, the fourth bolt 214, the third sliding shell 216, the third sliding groove 2 17. The third fixing groove 218, the second fixing plate 219 and the second support rod 211 can be arranged so that when the fourth bolt 214 is removed, the second support rod 211 can be adjusted to different positions with the third support rod 215, so that the adjustment mechanism 2 can adapt to different machine room layouts and pipeline requirements. The arrangement of two sets of second support rods 211 reduces the cost and facilitates the rapid splicing and installation of components on site. The spacing between the two sets of first clamping brackets 308 is determined in advance according to the size of the pipeline, and then the transmission shaft 305 can be rotated by manually sliding the limit column 309. By turning the handle of the transmission shaft 305, the transmission shaft 305 will drive the gear 304 to rotate, and the rotation of the gear 304 will The rack 303 is driven to slide in the fourth sliding groove 302. The sliding of the rack 303 will drive the connecting block 306 and the first clamping support 308 to move, so that the first clamping support 308 can be adjusted to a suitable height to adapt to the size of the pipeline. Then, by loosening the nut of the fifth bolt 307, the first clamping support 308 can be rotated and adjusted with the connecting block 306, so that the first clamping support 308 can be fully fitted with the outer wall of the pipeline. Through the mutual cooperation of the four groups of first clamping supports 308 and the two groups of second clamping supports 310 in the upper and lower parts, the pipeline can be firmly fixed on the first support rod 1. According to the pipeline length of the machine room pipeline, the number of clamping mechanisms 3 can be appropriately increased, so as to provide continuous and stable fixation for the machine room pipeline.Through the arrangement of the first clamping bracket 308, the fourth sliding groove 302, the rack 303, the gear 304, the transmission shaft 305, the connecting block 306, the fifth bolt 307 and the housing 301, the first clamping bracket 308 can be adjusted in height to adapt to different environmental requirements of the machine room pipeline construction site, which greatly improves the construction efficiency of modern machine rooms.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe support for pipeline construction in an assembled machine room, comprising a first support rod (1), characterized in that: Adjustment mechanisms (2) are provided on both sides of the first support rod (1), and a clamping mechanism (3) is provided on one side of the adjustment mechanism (2); The adjusting mechanism (2) comprises a first sliding groove (201), a first fixing groove (202), a first sliding block (203), a first bolt (204), a first sliding shell (205), a third bolt (206), a first fixing plate (207), a second sliding shell (208), a second bolt (209), a second sliding block (210), a second support rod (211), a second sliding groove (212), a second fixing groove (213), a fourth bolt (214), a third support rod (215), a third sliding shell (216), a third sliding groove (217), a third fixing plate (218), a second support rod (219), a third sliding shell (220), a third sliding groove (221), a third fixing plate (222), a second fixing plate (223), a third bolt (224), a third support rod (225), a third sliding shell (226), a third sliding groove (227), a third fixing plate (228), a second bolt (229), a second support rod (230), a third sliding shell (227), a third fixing plate (229), a second fixing plate (231), a second fixing plate (232), a third fixing plate (233), a third bolt (234), a third support rod (235), a third sliding shell (228), a third sliding groove (229), a third fixing plate (234), a second fixing plate (235), a third fixing plate (236), a second fixing plate (237), a second fixing plate (238), a second fixing plate (239), a third fixing plate (240), a third fixing plate (241), a second fixing plate (242), a second fixing plate (243), a third fixing plate (244), a third fixing plate (245), a third fixing plate (246), a third fixing plate (247), a second fixing plate (248), a second fixing plate (249), a second fixing plate A first fixed groove (218) and a second fixed plate (219), a first sliding groove (201) is provided on one side of the first support rod (1), a first fixed groove (202) is provided on one side of the first support rod (1), a first sliding block (203) is slidably connected to the surface of the first sliding groove (201), a first bolt (204) is fixedly connected to one side of the first sliding block (203), a first sliding shell (205) is penetrated and connected to one side of the surface of the first bolt (204), a third bolt (206) is movably sleeved on the surface of the first fixed groove (202), A first fixing plate (207) is threadedly connected to one side of the surface of the third bolt (206); a second sliding shell (208) is penetrated and connected to one side of the surface of the third bolt (206); a second bolt (209) is movably sleeved on one side of the second sliding shell (208); one end of the second bolt (209) is fixedly connected to a second sliding block (210); a second support rod (211) is attached to the surface of one side of the second sliding shell (208); a second sliding groove (212) is provided on one side of the second support rod (211); A second fixing groove (213) is provided, a fourth bolt (214) is movably sleeved on the surface of the second fixing groove (213), a third support rod (215) is penetrated and connected on one side of the surface of the fourth bolt (214), a third sliding shell (216) is penetrated and connected on one side of the surface of the fourth bolt (214), a third sliding groove (217) is provided on one side of the third support rod (215), a third fixing groove (218) is provided on one side of the third support rod (215), and a second fixing plate (219) is threadedly connected on one side of the surface of the fourth bolt (214).

2. The pipe support for the construction of pipelines in an assembled machine room according to claim 1, characterized in that: The second support rod (211) is fixedly connected to the first support rod (1) via a third bolt (206), a first fixing plate (207), a second sliding shell (208), a second bolt (209), and a second sliding block (210), and the first support rod (1) is provided in two groups.

3. The pipe support for the construction of pipelines in an assembled machine room according to claim 1 is characterized in that: The third support rod (215) is fixedly connected to the second support rod (211) via a second sliding groove (212), a second fixing groove (213), a fourth bolt (214), a third sliding shell (216), a third sliding groove (217), a third fixing groove (218), and a second fixing sheet (219), and the second support rod (211) is arranged in two groups.

4. The pipe support for the construction of pipelines in an assembled machine room according to claim 1, characterized in that: The clamping mechanism (3) comprises a housing (301), a fourth sliding groove (302), a rack (303), a gear (304), a transmission shaft (305), a connecting block (306), a fifth bolt (307), a first clamping support (308), a limiting column (309) and a second clamping support (310), one end of the first sliding shell (205) is fixedly connected to the housing (301), a fourth sliding groove (302) is provided inside the housing (301), a surface of the fourth sliding groove (302) is slidably connected to the rack (303), and the rack One side of the rack (303) is meshingly connected with a gear (304), the inner surface of the gear (304) is fixedly connected with a transmission shaft (305), one end of the rack (303) is fixedly connected with a connecting block (306), one side of the connecting block (306) is movably sleeved with a fifth bolt (307), one side of the surface of the fifth bolt (307) is penetrated and connected with a first clamp (308), one side of the outer shell (301) is slidably connected with a limiting column (309), and one end of the first sliding shell (205) is fixedly connected with a second clamp (310).

5. The pipe support for the construction of pipelines in an assembled machine room according to claim 4 is characterized by: The first clamping support (308) is fixedly connected to the connecting block (306) via a fifth bolt (307), and the first clamping support (308) is slidably connected to the housing (301) via a fourth sliding groove (302), a rack (303), a gear (304), a transmission shaft (305), a connecting block (306), and a fifth bolt (307).

6. The pipe support for the construction of assembled machine room pipelines according to claim 4 is characterized by: The first clamping bracket (308) is fixedly connected to the first support rod (1) via a first sliding block (203), a first bolt (204), a first sliding shell (205), and a first sliding groove (201).

Images