Cylindrical fixing base plate capable of being automatically opened and closed

Abstract

The utility model belongs to the technical field of building construction equipment, and particularly provides an automatic opening and closing cylindrical fixing chassis which is clamped on a cylindrical building and used for carrying construction operation equipment to conduct construction operation on a cylinder, and the fixing chassis comprises a clamping mechanism, an axial driving mechanism and an opening and closing mechanism. The clamping mechanism is clamped on the column body, the clamping mechanism is provided with a plurality of layers in the axial direction of the column body, and the multiple layers of clamping mechanisms are connected and fixed through mounting plates; one end of the axial driving mechanism is fixedly connected with the bottom surface of one layer of clamping mechanism, and the other end of the axial driving mechanism is in contact with the surface of the column body; the opening and closing mechanism is located between the two layers of clamping mechanisms, and the opening and closing mechanism is fixedly connected with the mounting plate. By arranging the multiple layers of clamping mechanisms, when construction operation equipment is carried on the column body for construction operation, the chassis can be stably clamped on the column body, and meanwhile the chassis can be driven to axially move on the column body through the axial driving mechanism so as to drive the construction operation equipment to move.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction equipment, and particularly relates to an automatically opening and closing cylindrical fixed chassis. Background Art

[0002] Currently, roughening technology is widely used in highway bridge deck paving, tunnel wall paving, dams, canals, power plants, airports, water and underwater operations, and slag removal in subways, railways, and steel mills, but primarily on land. Columnar bridge piers are piers composed of one or more columns. After long-term use, the underwater portion of the pier often becomes contaminated and corroded, resulting in corresponding surface structural damage. If not cleaned, this poses a threat to construction quality and personnel safety. Furthermore, with socioeconomic development, the number of bridges has gradually increased, and the number of existing columnar bridge piers has also gradually increased, increasing the pressure on the construction, maintenance, and cleaning of columnar bridge piers. Furthermore, urbanization has also led to a saturation of columnar bridge piers, and the related industry has shifted towards bridge maintenance and repair. Therefore, the rapid maintenance and repair industry for bridge piers holds great potential, and pier roughening as a preparatory work for maintenance urgently needs technological upgrades.

[0003] Due to the problems in the construction operation scene, the traditional bridge pier roughening process mostly uses manual labor, which has problems such as high cost, low efficiency, poor construction effect and a more complicated construction process. At the same time, there are corresponding hidden dangers in construction safety.

[0004] Based on this, the utility model provides an automatically opening and closing cylindrical fixed chassis clamped on a cylindrical building for carrying construction equipment to perform construction work on the column, so as to solve the above-mentioned problem. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides an automatically opening and closing cylindrical fixed chassis to solve the problems in the prior art.

[0006] One embodiment of the present invention provides an automatically opening and closing cylindrical fixed chassis, which is clamped on a cylindrical building and used to carry construction equipment to perform construction work on the column, wherein the fixed chassis includes:

[0007] A clamping mechanism, wherein the clamping mechanism is clamped on the column, and the clamping mechanism is provided in a plurality of layers along the axial direction of the column, and the plurality of layers of the clamping mechanism are connected and fixed by a mounting plate;

[0008] An axial drive mechanism for driving the plurality of layers of clamping mechanisms to move axially along the column, wherein one end of the axial drive mechanism is fixedly connected to the bottom surface of one layer of the clamping mechanism, and the other end is in contact with the surface of the column;

[0009] An opening and closing mechanism is used to drive the clamping mechanism to open and close, the opening and closing mechanism is located between the two layers of clamping mechanisms, and the opening and closing mechanism is connected and fixed to the mounting plate.

[0010] In one embodiment, each layer of the clamping mechanism is composed of two semicircles, which are rotatably connected by a pin;

[0011] There are two mounting plates on each semicircle. In a single semicircle, the two mounting plates are symmetrically arranged with the center of the circle as the center.

[0012] The opening and closing mechanism is connected to the mounting plates in the two semicircles and close to the connection point between the two semicircles.

[0013] In one embodiment, the opening and closing mechanism includes an opening and closing hydraulic cylinder, a first mounting seat, and a second mounting seat;

[0014] The first mounting seat and the second mounting seat are respectively mounted on the mounting plates in the two semicircles close to the connection point between the two;

[0015] One end of the opening and closing hydraulic cylinder is fixedly connected to the first mounting seat, and the other end is fixedly connected to the second mounting seat. The opening and closing of the two semicircles is driven by the opening and closing hydraulic cylinder.

[0016] In one embodiment, the axial drive mechanism includes a support plate, an axial hydraulic cylinder, and a gear train drive assembly;

[0017] One end of the support plate is rotatably connected to the bottom surface of the clamping mechanism via a first mounting shaft, and the other end of the support plate is rotatably connected to the gear train drive assembly via a second mounting shaft;

[0018] One end of the axial hydraulic cylinder is fixedly connected to the bottom surface of the clamping mechanism, and the other end is fixedly connected to the midpoint of the support plate.

[0019] In one embodiment, the wheel train drive assembly includes a driving wheel, a transmission wheel, a contact wheel and a support frame;

[0020] Contact wheels are provided at both the upper and lower ends of the support frame;

[0021] One end of the support plate away from the first mounting shaft is rotatably connected to the midpoint of the support frame via the second mounting shaft;

[0022] The driving wheel and the transmission wheel are both installed on the side of the support frame, and the driving wheel and the transmission wheel are connected through a transmission belt;

[0023] The driving wheel and the transmission wheel are respectively connected to the contact wheels at the upper and lower ends of the support frame.

[0024] In one embodiment, each layer of the clamping mechanism includes a protective plate, a bottom plate, and a clamping plate disposed between the protective plate and the bottom plate;

[0025] The protective plate and the bottom plate are both composed of two semicircles, and the two semicircles of the protective plate and the two semicircles of the bottom plate are rotatably connected by a pin;

[0026] The clamping plate is designed to be a quarter circle, and two clamping plates are provided, one clamping plate is provided on each semicircle of the protective plate and the bottom plate, and the clamping plate is located between the two;

[0027] The bottom surface of each semicircle of the base plate is provided with a clamping drive assembly, and the clamping drive assembly is connected to the clamping plate between the base plate and the protective plate, and is used to drive the clamping plate to complete the clamping action.

[0028] In one embodiment, the clamping drive assembly includes a clamping drive motor, a drive disc, and a connecting rod disposed on the drive disc;

[0029] The clamping drive motor is arranged on the bottom surface of the base plate, and the drive disk is arranged on the top surface of the base plate. The clamping drive motor is connected to the drive disk and is used to drive the drive disk to rotate;

[0030] The clamping plate is provided with an arcuate through groove, and the connecting rod of the driving disk is clamped on the arcuate through groove of the clamping plate. When the driving disk rotates, the clamping plate is driven by the connecting rod to complete the clamping action.

[0031] In one embodiment, the clamping plates in the clamping mechanism are arranged alternately with the clamping plates in the clamping mechanisms of adjacent layers.

[0032] The automatically opening and closing cylindrical fixed chassis provided in the above embodiments has the following beneficial effects:

[0033] By setting up a multi-layer clamping mechanism, when the construction equipment is mounted on the column for construction work, the chassis can be firmly clamped on the column. At the same time, through the axial drive mechanism, the chassis can be driven to move axially on the column to drive the construction equipment to move. At the same time, by setting up an opening and closing mechanism, the chassis is easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0035] Figure 1 A schematic diagram of the overall structure of an automatically opening and closing cylindrical fixed chassis provided by an embodiment of the utility model;

[0036] Figure 2 A schematic diagram of a multi-layer clamping mechanism for an automatically opening and closing cylindrical fixed chassis provided by an embodiment of the present utility model;

[0037] Figure 3 A schematic diagram of the opening and closing mechanism of the cylindrical fixed chassis that automatically opens and closes according to an embodiment of the present invention;

[0038] Figure 4 A schematic structural diagram of a single-layer clamping mechanism for an automatically opening and closing cylindrical fixed chassis provided by an embodiment of the present utility model;

[0039] Figure 5 A schematic diagram of the structure of the clamping plate of the automatically opening and closing cylindrical fixed chassis provided by an embodiment of the utility model;

[0040] Figure 6 A schematic diagram of the structure of the axial drive mechanism of the automatically opening and closing cylindrical fixed chassis provided in an embodiment of the utility model;

[0041] Figure 7 A schematic diagram of the position of the axial drive mechanism of the automatically opening and closing cylindrical fixed chassis provided in an embodiment of the utility model;

[0042] Figure 8 Schematic diagram of the position distribution of the clamping plates of each layer of the clamping mechanism of the automatically opening and closing cylindrical fixed chassis provided by an embodiment of the utility model.

[0043] Figure Number:

[0044] 100. Column; 200. Clamping mechanism; 210. Protective plate; 220. Bottom plate; 230. Clamping plate; 231. Arc-shaped through groove; 240. Clamping drive assembly; 241. Clamping drive motor; 242. Drive disk; 243. Connecting rod; 300. Mounting plate; 400. Axial drive mechanism; 410. Support plate; 420. Axial hydraulic cylinder; 430. Gear train drive assembly; 431. Drive wheel; 432. Transmission wheel; 433. Contact wheel; 434. Support frame; 435. Transmission belt; 440. First mounting shaft; 450. Second mounting shaft; 500. Opening and closing mechanism; 510. Opening and closing hydraulic cylinder; 520. First mounting seat; 530. Second mounting seat. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0046] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0047] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0048] Reference Figures 1-8 One embodiment of the present invention provides an automatically opening and closing cylindrical fixed chassis, which is clamped on a cylindrical building and used to carry construction equipment to perform construction work on the column 100, wherein the fixed chassis includes:

[0049] The clamping mechanism 200 is clamped on the column 100 and is provided with several layers along the axial direction of the column 100. The layers of the clamping mechanism 200 are connected and fixed by a mounting plate 300.

[0050] An axial drive mechanism 400 for driving the plurality of layers of clamping mechanisms 200 to move axially along the column 100, wherein one end of the axial drive mechanism 400 is fixedly connected to the bottom surface of one layer of the clamping mechanism 200, and the other end is in contact with the surface of the column 100;

[0051] The opening and closing mechanism 500 is used to drive the clamping mechanism 200 to open and close. The opening and closing mechanism 500 is located between the two layers of the clamping mechanism 200 and is fixedly connected to the mounting plate 300 .

[0052] In this embodiment, a fixed chassis is clamped to a cylindrical building and used to carry construction equipment (not shown) to perform construction work on the column 100. The construction equipment is selected based on the actual construction work situation. For example, when performing roughening work, the roughening equipment is installed on the clamping mechanism 200. The fixed chassis consists of a clamping mechanism 200, an axial drive mechanism 400, and an opening and closing mechanism 500. The clamping mechanism 200 is used to clamp the entire fixed chassis to the column 100, and the axial drive mechanism 400 is used to drive the entire fixed chassis to move axially along the column 100, thereby driving the construction equipment to move on the column 100 to the work surface. The opening and closing mechanism 500 is used to control the automatic opening and closing of the clamping mechanism 200 to facilitate the installation and removal of the entire equipment. The clamping mechanism 200 is provided with several layers along the axial direction of the column 100, and the several layers of the clamping mechanism 200 are connected and fixed by the mounting plate 300 to improve the overall stability. In this embodiment, the clamping mechanism 200 is provided with three layers, and the axial drive mechanism 400 can be provided between the first and second layers of the clamping mechanism 200, or between the second and third layers of the clamping mechanism 200. The opening and closing mechanism 500 is provided in the clamping mechanism 200 of the first and second layers, and the second and third layers, so as to control the simultaneous opening and closing of the three layers of the clamping mechanism 200. Figure 1 、 Figure 2 shown.

[0053] In one embodiment, each layer of the clamping mechanism 200 is composed of two semicircles, which are rotatably connected by a pin.

[0054] Two mounting plates 300 are provided on each semicircle. In a single semicircle, the two mounting plates 300 are symmetrically arranged with the center of the circle as the center.

[0055] The opening and closing mechanism 500 is connected to the mounting plate 300 near the connection point between the two semicircles.

[0056] In this embodiment, if Figure 1 、 Figure 2As shown, the structure of the clamping mechanism 200 on each layer is the same, consisting of two semicircular structures. The two closest quadrant points of the two semicircular structures are connected by a pin to allow the two semicircles to open and close. Two mounting plates 300 are provided on each semicircle. In a single semicircle, the two mounting plates 300 are symmetrically arranged with the center of the circle as the center. That is, the entire clamping mechanism 200 is provided with four mounting plates 300. The mounting plates 300 are used to connect and fix each layer of the clamping mechanism 200, making the whole body stable. The opening and closing mechanism 500 is connected to the mounting plates 300 in the two semicircles near the connection point (quadrant point) between the two semicircles, and the opening and closing of the two semicircles is controlled by the opening and closing mechanism 500.

[0057] In one embodiment, the opening and closing mechanism 500 includes an opening and closing hydraulic cylinder 510 , a first mounting base 520 , and a second mounting base 530 ;

[0058] The first mounting seat 520 and the second mounting seat 530 are respectively mounted on the mounting plate 300 near the connection point between the two semicircles;

[0059] One end of the opening and closing hydraulic cylinder 510 is fixedly connected to the first mounting seat 520 , and the other end is fixedly connected to the second mounting seat 530 . The opening and closing of the two semicircles is driven by the opening and closing hydraulic cylinder 510 .

[0060] In this embodiment, if Figure 1-Figure 3 As shown, the opening and closing mechanism 500 is composed of an opening and closing hydraulic cylinder 510, a first mounting seat 520 and a second mounting seat 530; the first mounting seat 520 and the second mounting seat 530 serve as fixed structures, which are used to fix the opening and closing hydraulic cylinder 510 on the mounting plate 300 near the connection point between the two semicircles, and control the opening and closing of the two semicircles by extending and retracting the opening and closing hydraulic cylinder 510.

[0061] In one embodiment, the axial drive mechanism 400 includes a support plate 410 , an axial hydraulic cylinder 420 , and a gear train drive assembly 430 ;

[0062] One end of the support plate 410 is rotatably connected to the bottom surface of the clamping mechanism 200 via a first mounting shaft 440 , and the other end of the support plate 410 is rotatably connected to the gear train drive assembly 430 via a second mounting shaft 450 ;

[0063] One end of the axial hydraulic cylinder 420 is fixedly connected to the bottom surface of the clamping mechanism 200 , and the other end is fixedly connected to the midpoint of the support plate 410 .

[0064] In this embodiment, referring to Figure 6 、 Figure 7Four axial drive mechanisms 400 are evenly arranged around the column 100 to ensure that the whole is stable when moving axially along the surface of the column 100. The axial drive mechanism 400 is composed of a support plate 410, an axial hydraulic cylinder 420 and a gear drive assembly 430; one end of the support plate 410 is rotatably connected to the bottom surface of the clamping mechanism 200 through a first installation shaft 440, and the other end is rotatably connected to the gear drive assembly 430 through a second installation shaft 450. The gear drive assembly 430 is supported by the support plate 410, one end of the axial hydraulic cylinder 420 is fixedly connected to the bottom surface of the clamping mechanism 200, and the other end is fixedly connected to the midpoint of the support plate 410. The axial hydraulic cylinder 420 provides power for the gear drive assembly 430 to adhere to the surface of the column 100. When the entire structure moves axially along the surface of the column 100 , the axial hydraulic cylinder 420 is extended and retracted to press the gear train drive assembly 430 against the surface of the column 100 . The gear train drive assembly 430 is used to provide driving force to drive the entire structure to move axially.

[0065] In one embodiment, the gear train driving assembly 430 includes a driving wheel 431 , a transmission wheel 432 , a contact wheel 433 , and a support frame 434 ;

[0066] The support frame 434 is provided with contact wheels 433 at both the upper and lower ends;

[0067] One end of the support plate 410 away from the first mounting shaft 440 is rotatably connected to the midpoint of the support frame 434 via the second mounting shaft 450;

[0068] The driving wheel 431 and the transmission wheel 432 are both mounted on the side of the support frame 434, and the driving wheel 431 and the transmission wheel 432 are connected to each other through a transmission belt 435;

[0069] The driving wheel 431 and the transmission wheel 432 are respectively connected to the contact wheels 433 at the upper and lower ends of the support frame 434.

[0070] In this embodiment, if Figure 6 As shown, the wheel train drive assembly 430 is composed of a driving wheel 431, a transmission wheel 432, a contact wheel 433 and a support frame 434; the contact wheel 433 is arranged at the upper and lower ends of the support frame 434, and the driving wheel 431 and the transmission wheel 432 are respectively arranged at the upper and lower ends of the outer side of the support frame 434, and the driving wheel 431 and the transmission wheel 432 are both connected to the contact wheel 433 by transmission, and the driving wheel 431 and the transmission wheel 432 are transmitted through the transmission belt 435. The driving wheel 431 is used to drive the contact wheel 433 to move on the surface of the column 100, and at the same time drive the transmission wheel 432 to rotate. The setting of the transmission wheel 432 is used to make the two contact wheels 433 on the support frame 434 have the same rotation speed.

[0071] In one embodiment, each layer of the clamping mechanism 200 includes a protective plate 210, a bottom plate 220, and a clamping plate 230 disposed between the protective plate 210 and the bottom plate 220;

[0072] The protective plate 210 and the bottom plate 220 are both composed of two semicircles, and the two semicircles of the protective plate 210 and the two semicircles of the bottom plate 220 are rotatably connected by a pin;

[0073] The clamping plate 230 is designed as a quarter circle, and two clamping plates 230 are provided. A clamping plate 230 is provided on each semicircle of the protective plate 210 and the bottom plate 220, and the clamping plate 230 is located between the two;

[0074] The bottom surface of each semicircle of the base plate 220 is provided with a clamping drive assembly 240 . The clamping drive assembly 240 is connected to the clamping plate 230 between the base plate 220 and the protective plate 210 to drive the clamping plate 230 to complete the clamping action.

[0075] In this embodiment, if Figure 2-Figure 5 As shown, the structure of the clamping mechanism 200 on each layer is the same, and is composed of a protective plate 210, a bottom plate 220 and a clamping plate 230; the clamping mechanism 200 on the top layer is described. The protective plate 210 is the same as the bottom plate 220, and is composed of two semicircles. A through hole is provided near the center of the circle to match the diameter of the column 100. The two quadrants of the two semicircles of the protective plate 210 and the bottom plate 220 are connected by a pin; the clamping plate 230 0 is designed as a quarter circle, and an arc adapted to the diameter of the cylinder 100 is provided near the center of the circle. Two clamping plates 230 are provided, one is provided in the middle of each semicircle of the protective plate 210 and the bottom plate 220; a clamping drive assembly 240 is provided on the bottom surface of each semicircle of the bottom plate 220, and the clamping drive assembly 240 is connected to the clamping plate 230 between the bottom plate 220 and the protective plate 210, and is used to drive the clamping plate 230 to complete the clamping action.

[0076] In one embodiment, the clamping drive assembly 240 includes a clamping drive motor 241 , a drive disk 242 , and a connecting rod 243 disposed on the drive disk 242 ;

[0077] The clamping drive motor 241 is disposed on the bottom surface of the base plate 220, and the drive disk 242 is disposed on the top surface of the base plate 220. The clamping drive motor 241 is connected to the drive disk 242 to drive the drive disk 242 to rotate;

[0078] The clamping plate 230 is provided with an arcuate slot 231 , and the connecting rod 243 of the driving disk 242 is clamped on the arcuate slot 231 of the clamping plate 230 . When the driving disk 242 rotates, the connecting rod 243 drives the clamping plate 230 to complete the clamping action.

[0079] In this embodiment, if Figure 4 As shown, the clamping drive assembly 240 is composed of a clamping drive motor 241, a drive disk 242 and a connecting rod 243 arranged on the drive disk 242; the clamping drive motor 241 is arranged on the bottom surface of the base plate 220, and the drive disk 242 is arranged on the top surface of the base plate 220. The drive disk 242 rotates coaxially with the clamping drive motor 241, and the drive disk 242 is driven to rotate by the clamping drive motor 241; an arc-shaped through groove 231 is provided on the clamping plate 230, and the connecting rod 243 of the drive disk 242 is clamped on the arc-shaped through groove 231 of the clamping plate 230. When the drive disk 242 rotates, the connecting rod 243 moves in the arc-shaped through groove 231 of the clamping plate 230, thereby driving the clamping plate 230 to complete the clamping action.

[0080] In one embodiment, the clamping plates 230 in the clamping mechanism 200 are arranged alternately with the clamping plates 230 in the clamping mechanisms 200 of adjacent layers.

[0081] In this embodiment, if Figure 8 As shown, the clamping plates 230 in each layer of the clamping mechanism 200 are arranged at different positions from the clamping plates 230 in the clamping mechanisms 200 in the adjacent layers. The clamping plates 230 in the clamping mechanisms 200 in several layers are staggered to improve the stability during clamping.

[0082] As needed, the above-mentioned installation, setting, provision or connection methods include but are not limited to screws, rivets, welding or socketing, fixing and the like. The installation, setting or connection method is selected according to the work scenario.

[0083] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An automatically opening and closing cylindrical fixed chassis, clamped on a cylindrical building for carrying construction equipment to perform construction work on the column (100), characterized in that: The fixed chassis comprises: A clamping mechanism (200), wherein the clamping mechanism (200) is clamped on the column (100), and the clamping mechanism (200) is provided with a plurality of layers along the axial direction of the column (100), and the plurality of layers of the clamping mechanism (200) are connected and fixed via a mounting plate (300); an axial driving mechanism (400) for driving a plurality of layers of clamping mechanisms (200) to move axially along the column (100), wherein one end of the axial driving mechanism (400) is fixedly connected to the bottom surface of one layer of the clamping mechanism (200), and the other end is in contact with the surface of the column (100); An opening and closing mechanism (500) is used for driving the clamping mechanism (200) to open and close. The opening and closing mechanism (500) is located between two layers of clamping mechanisms (200), and the opening and closing mechanism (500) is connected and fixed to the mounting plate (300).

2. The automatically opening and closing cylindrical fixed chassis according to claim 1, characterized in that: Each layer of the clamping mechanism (200) is composed of two semicircles, which are rotatably connected by a pin shaft; Two mounting plates (300) are provided on each semicircle. In a single semicircle, the two mounting plates (300) are symmetrically arranged with the center of the circle as the center. The opening and closing mechanism (500) is connected to the mounting plate (300) in the two semicircles near the connection point between the two semicircles.

3. The automatically opening and closing cylindrical fixed chassis according to claim 2, characterized in that: The opening and closing mechanism (500) comprises an opening and closing hydraulic cylinder (510), a first mounting seat (520) and a second mounting seat (530); The first mounting seat (520) and the second mounting seat (530) are respectively mounted on the mounting plate (300) near the connection point between the two semicircles; One end of the opening and closing hydraulic cylinder (510) is fixedly connected to the first mounting seat (520), and the other end is fixedly connected to the second mounting seat (530). The opening and closing of the two semicircles is driven by the opening and closing hydraulic cylinder (510).

4. The automatically opening and closing cylindrical fixed chassis according to claim 1, characterized in that: The axial drive mechanism (400) comprises a support plate (410), an axial hydraulic cylinder (420), and a gear train drive assembly (430); One end of the support plate (410) is rotatably connected to the bottom surface of the clamping mechanism (200) via a first mounting shaft (440), and the other end of the support plate (410) is rotatably connected to the gear train drive assembly (430) via a second mounting shaft (450); One end of the axial hydraulic cylinder (420) is fixedly connected to the bottom surface of the clamping mechanism (200), and the other end is fixedly connected to the midpoint of the support plate (410).

5. The automatically opening and closing cylindrical fixed chassis according to claim 4, characterized in that: The wheel train drive assembly (430) includes a drive wheel (431), a transmission wheel (432), a contact wheel (433) and a support frame (434); Contact wheels (433) are provided at both the upper and lower ends of the support frame (434); One end of the support plate (410) away from the first installation shaft (440) is rotatably connected to the midpoint of the support frame (434) via a second installation shaft (450); The driving wheel (431) and the transmission wheel (432) are both mounted on the side of the support frame (434), and the driving wheel (431) and the transmission wheel (432) are connected to each other via a transmission belt (435); The driving wheel (431) and the transmission wheel (432) are respectively connected to the contact wheels (433) at the upper and lower ends of the support frame (434).

6. The automatically opening and closing cylindrical fixed chassis according to claim 2, characterized in that: Each layer of the clamping mechanism (200) comprises a protective plate (210), a bottom plate (220), and a clamping plate (230) arranged between the protective plate (210) and the bottom plate (220); The protective plate (210) and the bottom plate (220) are both composed of two semicircles, and the two semicircles of the protective plate (210) and the two semicircles of the bottom plate (220) are rotatably connected via a pin shaft; The clamping plate (230) is designed to be a quarter circle, and two clamping plates (230) are provided. A clamping plate (230) is provided on each semicircle of the protective plate (210) and the bottom plate (220), and the clamping plate (230) is located between the two. A clamping drive assembly (240) is provided on the bottom surface of each semicircle of the base plate (220). The clamping drive assembly (240) is connected to the clamping plate (230) between the base plate (220) and the protective plate (210) and is used to drive the clamping plate (230) to complete the clamping action.

7. The automatically opening and closing cylindrical fixed chassis according to claim 6, characterized in that: The clamping drive assembly (240) includes a clamping drive motor (241), a drive disk (242), and a connecting rod (243) arranged on the drive disk (242); The clamping drive motor (241) is arranged on the bottom surface of the base plate (220), and the drive disk (242) is arranged on the top surface of the base plate (220). The clamping drive motor (241) is connected to the drive disk (242) and is used to drive the drive disk (242) to rotate. The clamping plate (230) is provided with an arcuate through groove (231), and the connecting rod (243) of the driving disk (242) is clamped on the arcuate through groove (231) of the clamping plate (230). When the driving disk (242) rotates, the clamping plate (230) is driven by the connecting rod (243) to complete the clamping action.

8. The automatically opening and closing cylindrical fixed chassis according to claim 6, characterized in that: The clamping plates (230) in the clamping mechanism (200) are arranged in an alternating manner with the clamping plates (230) in the clamping mechanisms (200) of adjacent layers.

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