Mobile roadside sensing device

Abstract

The utility model discloses a mobile roadside sensing device, which relates to the technical field of roadside sensing equipment and comprises a plurality of roadside sensors. The mounting assembly is used for mounting a roadside sensor; the lifting assembly is used for realizing height adjustment of the mounting assembly and the roadside sensor; the placing assembly is used for placing an edge calculator used for data analysis and processing and a power supply used for supplying power to the roadside sensor and the edge calculator; the moving assembly is used for realizing movement; wherein the placing assembly and the lifting assembly are arranged on the moving assembly in a matched mode, the mounting assembly is arranged on the lifting assembly, and the roadside sensors are arranged on the mounting assembly, so that the problems that when current roadside sensing equipment is used in some temporary places, the mounting cost is high, the dismounting difficulty after use is large, the flexibility is poor, and the use is inconvenient are solved. And the requirements of real-time movement and rapid deployment cannot be met.

Description

Technical Field

[0001] The utility model relates to the technical field of roadside sensing equipment, in particular to a mobile roadside sensing device. Background Art

[0002] Roadside sensing equipment is a sensor device installed on or around the edge of the road to monitor and sense the state of the driving environment. These devices can help drivers and traffic managers understand the situation on the road in real time, so as to make better decisions and manage traffic flow. Roadside sensing equipment usually includes various sensors, such as radar vision integrated machine, camera, radar, lidar, etc., which are used to detect and collect information such as vehicles, pedestrians, animals, obstacles, etc. on the road. These devices can transmit data to the central control system or traffic management center in real time to timely release traffic information, adjust traffic lights, monitor violations, etc. Through roadside sensing equipment, road safety can be improved, traffic congestion can be reduced, and traffic flow distribution at intersections can be optimized. These devices play an important role in intelligent transportation systems and autonomous driving technologies, and are an important part of the future development of intelligent transportation.

[0003] The current roadside perception equipment is mainly achieved by installing roadside sensors on fixed roadside poles. Although fixed roadside poles meet the needs of roadside perception and other functions to a certain extent, they are not applicable in some special cases, such as field testing of perception equipment, field real-value environment construction, field temporary demonstrations, temporary construction areas or large-scale event venues. In these scenarios, the current fixed-pole roadside perception equipment has the problems of high installation cost, difficulty in disassembly after use, poor flexibility, and failure to meet the needs of real-time mobility and rapid deployment.

[0004] In the invention with application number: CN202210867247.8 and publication number CN115273491B, a road test sensing device for an intelligent vehicle-road cooperative system is disclosed, including a base, a connection box is fixedly connected to the middle of the upper surface of the base, a battery is fixedly connected to the bottom surface inside the connection box, a support column is fixedly connected to the middle of the upper surface of the connection box, a first connecting rod is fixedly connected to the middle of the upper surface of the support column, a mounting box is fixedly connected to the middle of the upper surface of the first connecting rod, and a servo motor is fixedly connected to the bottom surface inside the mounting box. It still has the problems of high installation cost, difficulty in disassembly after use, poor flexibility, and inability to meet the needs of real-time mobility and rapid deployment. Utility Model Content

[0005] Based on this, in response to the above problems, the utility model proposes a mobile roadside sensing device, which solves the problems that the current roadside sensing equipment, when used in some temporary places, has high installation costs, is difficult to disassemble after use, has poor flexibility, and cannot meet the needs of real-time mobility and rapid deployment.

[0006] The technical solution of the utility model is:

[0007] A mobile roadside sensing device, comprising:

[0008] Several roadside sensors;

[0009] An installation component, the installation component is used to install a roadside sensor;

[0010] A lifting assembly, which is used to adjust the height of the installation assembly and the roadside sensor;

[0011] Placing components, where the components are used to place edge computers for data analysis and processing and power supplies for powering roadside sensors and edge computers;

[0012] Mobile component, the mobile component is used to realize movement;

[0013] The placement component and the lifting component are cooperatively arranged on the moving component, the installation component is arranged on the lifting component, and a plurality of roadside sensors are arranged on the installation component.

[0014] Preferably, the moving assembly comprises a bottom mounting plate and two pairs of universal wheels, wherein the two pairs of universal wheels are arranged at the bottom of the bottom mounting plate and are fixedly connected to the bottom mounting plate.

[0015] Preferably, the placement component includes a placement cabinet and a placement cabinet door, the placement cabinet is arranged on the bottom mounting plate, a placement cavity is provided in the placement cabinet, a partition plate is provided in the placement cavity, the partition plate divides the placement cavity into two accommodating cavities, one of the accommodating cavities is used to place the edge calculator, and the other accommodating cavity is used to place the power supply, one end of the placement cabinet door is hinged to the placement cabinet by a pair of hinges, and the other end is connected to the placement cabinet by a cabinet door lock.

[0016] Preferably, a pulling handle is provided on the storage cabinet body, the pulling handle is fixedly connected to the storage cabinet body, and the pulling handle is located above the storage cabinet door.

[0017] Preferably, the lifting assembly includes a pneumatic telescopic rod, a first connecting flange and a second connecting flange, the pneumatic telescopic rod is arranged on one side of the cabinet, the first connecting flange is fixedly arranged at the bottom of the pneumatic telescopic rod, the second connecting flange is fixedly arranged at the top of the pneumatic telescopic rod, and the first connecting flange is connected to the bottom mounting plate through a connecting plate.

[0018] Preferably, one end of the connecting plate is fixedly arranged on the bottom mounting plate, and the first connecting flange and the connecting plate are detachably connected by bolts.

[0019] Preferably, a pair of connecting pipes is provided on one side of the cabinet body close to the pneumatic telescopic rod, and a locking sleeve cooperating with the connecting pipe is provided on the pneumatic telescopic rod, and the locking sleeve and the pair of connecting pipes are detachably connected by a pair of locking bolts.

[0020] Preferably, the mounting assembly includes a mounting tube, a mounting block and at least one pair of mounting beams, a third connecting flange is provided on both sides of the mounting tube, the third connecting flange can be detachably connected to the second connecting flange by bolts, the mounting block is sleeved on the mounting tube and connected to the mounting tube by a fixing pin, one end of the fixing pin passes through the mounting block and the mounting tube, and is fixedly connected to the mounting block and the mounting tube, a mounting plane is provided on the mounting block to cooperate with the mounting beam, and the mounting beam is detachably connected to the mounting plane on the mounting block.

[0021] Preferably, a connecting plate cooperating with the mounting plane is provided at one end of the mounting beam, and the connecting plate is detachably connected to the mounting plane by bolts.

[0022] Preferably, a plurality of roadside sensors are respectively mounted on the mounting beam.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] When the utility model is in use, the placement component and the lifting component are cooperatively arranged on the mobile component, the installation component is arranged on the lifting component, and a plurality of roadside sensors are arranged on the installation component. The entire device can be moved by the mobile component, and then the utility model can be moved to a place where the roadside sensing device is needed for use. Among them, a plurality of roadside sensors are arranged for monitoring and collecting data, an installation component is arranged for installing the roadside sensors, a lifting component is arranged for adjusting the height of the installation component and the roadside sensors, and a placement component is arranged for placing an edge calculator for data analysis and processing and a power supply for powering the roadside sensors and the edge calculator. This solves the problem that the current roadside sensing equipment has high installation cost, is difficult to disassemble after use, has poor flexibility, and cannot meet the needs of real-time mobility and rapid deployment when used in some temporary places. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of a mobile roadside sensing device described in an embodiment of the utility model. Figure 1 ;

[0026] Figure 2 It is a partial structural schematic diagram of a mobile roadside sensing device described in an embodiment of the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of a mobile roadside sensing device described in an embodiment of the utility model. Figure 2 ;

[0028] Figure 4 This is a schematic diagram of the structure of a mobile roadside sensing device described in an embodiment of the utility model. Figure 3 ;

[0029] Figure 5 It is described in the embodiment of the utility model Figure 4 A schematic diagram of the enlarged structure at A in the middle;

[0030] Figure 6 It is described in the embodiment of the utility model Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0031] Figure 7 It is described in the embodiment of the utility model Figure 4 Schematic diagram of the enlarged structure at C in the middle;

[0032] Description of reference numerals:

[0033] 10-roadside sensor, 20-installation assembly, 200-installation tube, 201-installation block, 202-installation beam, 203-third connecting flange, 204-fixing pin, 205-installation plane, 206-connecting plate, 30-lifting assembly, 300-pneumatic telescopic rod, 301-first connecting flange, 302-second connecting flange, 303-locking sleeve, 304-locking bolt, 40-placement assembly, 400-placement cabinet, 401-placement cabinet door, 402-placement cavity, 403-partition plate, 404-accommodation cavity, 405-hinge, 406-cabinet door lock, 407-pull handle, 408-connecting tube, 50-edge calculator, 60-power supply, 70-moving assembly, 700-bottom mounting plate, 701-universal wheel, 702-connecting plate, 703-fixing sleeve. DETAILED DESCRIPTION

[0034] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0035] Example:

[0036] like Figure 1 As shown, in order to solve the above problems, this embodiment discloses a mobile roadside sensing device, including:

[0037] A number of roadside sensors 10;

[0038] An installation component 20, the installation component 20 is used to install the roadside sensor 10;

[0039] A lifting assembly 30, the lifting assembly 30 is used to adjust the height of the mounting assembly 20 and the roadside sensor 10;

[0040] A placement component 40 is used to place an edge computer 50 for data analysis and processing and a power supply 60 for supplying power to the roadside sensor 10 and the edge computer 50;

[0041] A moving component 70, the moving component 70 is used to achieve movement;

[0042] The placement component 40 and the lifting component 30 are cooperatively arranged on the moving component 70 , the installation component 20 is arranged on the lifting component 30 , and a plurality of roadside sensors 10 are arranged on the installation component 20 .

[0043] When the utility model is in use, the placement component 40 and the lifting component 30 are cooperatively arranged on the moving component 70, the installation component 20 is arranged on the lifting component 30, and a plurality of roadside sensors 10 are arranged on the installation component 20. The entire device can be moved by the moving component 70, and then the utility model can be moved to a place where the roadside sensing device is needed for use. Among them, a plurality of roadside sensors 10 are arranged for monitoring and collecting data, the installation component 20 is arranged for installing the roadside sensor 10, the lifting component 30 is arranged for adjusting the height of the installation component 20 and the roadside sensor 10, and the placement component 40 is arranged for placing the edge calculator 50 for data analysis and processing and the power supply 60 for powering the roadside sensor 10 and the edge calculator 50. The problem that the current roadside sensing equipment has high installation cost, is difficult to disassemble after use, has poor flexibility, and cannot meet the needs of real-time movement and rapid deployment when used in some temporary places is solved.

[0044] The roadside sensor 10 may be one or more of the sensors such as a camera, a millimeter wave radar or a laser radar in the prior art that can realize the functions of the utility model.

[0045] Preferably, an edge calculator 50 is also included. The edge calculator 50 is used for data analysis and processing, and the edge calculator 50 is placed in the placement component 40.

[0046] Preferably, a power supply 60 is further included, and the power supply 60 is used to supply power to the roadside sensor 10 and the edge calculator 50 , and the power supply 60 is placed in the placement component 40 .

[0047] The edge computer 50 refers to a specialized computing device used in an edge computing environment for processing data, executing algorithms, and providing services. Edge computing refers to a computing method that distributes data processing and analysis tasks from traditional cloud computing data centers to where data is generated or used.

[0048] The edge calculator 50 may be an edge calculator 50 in the prior art that can implement the functions of the present invention.

[0049] The power supply 60 adopts a battery in the prior art that can realize the functions of the utility model.

[0050] like Figure 2 As shown, in order to facilitate the movement of the utility model, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the moving component 70 includes a bottom mounting plate 700 and two pairs of universal wheels 701, and the two pairs of universal wheels 701 are arranged at the bottom of the bottom mounting plate 700 and fixedly connected to the bottom mounting plate 700.

[0051] By providing two pairs of universal wheels 701, the utility model can be moved in multiple directions, thereby facilitating the movement of the utility model to a place where a roadside sensing device is needed for use.

[0052] like Figure 3 As shown, preferably, a fixing sleeve 703 is provided at the bottom of the bottom mounting plate 700 , an opening penetrating the fixing sleeve 703 is provided on the fixing sleeve 703 , and one end of the fixing sleeve 703 is fixedly connected to the bottom mounting plate 700 .

[0053] When in use, a chain or a rope can be connected to the opening of the fixing sleeve 703, and then the utility model can be fixed at the place where it needs to be used by binding with the chain or the rope.

[0054] like Figure 3 to Figure 4 As shown, in order to facilitate the placement of the edge calculator 50 and the power supply 60, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the placement component 40 includes a placement cabinet 400 and a placement cabinet door 401. The placement cabinet 400 is arranged on the bottom mounting plate 700. A placement cavity 402 is provided in the placement cabinet 400. A partition plate 403 is provided in the placement cavity 402. The partition plate 403 divides the placement cavity 402 into two accommodating cavities 404, one of which is used to place the edge calculator 50, and the other is used to place the power supply 60. One end of the placement cabinet door 401 is hinged to the placement cabinet 400 by a pair of hinges 405, and the other end is connected to the placement cabinet 400 by a cabinet door lock 406.

[0055] By providing two accommodating cavities 404 , with the edge calculator 50 placed in one of the accommodating cavities 404 and the power supply 60 placed in the other accommodating cavity 404 , the placement of the edge calculator 50 and the power supply 60 can be facilitated.

[0056] The hinge 405 and the cabinet door lock 406 are respectively the hinge 405 and the cabinet door lock 406 that can realize the function of the utility model in the prior art. The hinge 405 is used to realize the hinge connection between one side of the cabinet door 401 and the cabinet body 400, and the cabinet door lock 406 is used to realize the lockability of the other side of the cabinet door 401 and the cabinet body 400.

[0057] Preferably, the edge calculator 50 is placed in a housing cavity 404 for placing the edge calculator 50 , and the power supply 60 is placed in a housing cavity 404 for placing the power supply 60 .

[0058] In order to facilitate pulling the utility model, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a pulling handle 407 is provided on the placement cabinet 400, the pulling handle 407 is fixedly connected to the placement cabinet 400, and the pulling handle 407 is located above the placement cabinet door 401.

[0059] When in use, the setting of the pulling handle 407 can facilitate personnel to pull the utility model to a place where the roadside sensing device is needed for use, which is conducive to moving the utility model.

[0060] like Figures 4 to 7 As shown, in order to facilitate the height adjustment of the roadside sensor 10 so as to facilitate its use in more scenarios, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the lifting assembly 30 includes a pneumatic telescopic rod 300, a first connecting flange 301 and a second connecting flange 302. The pneumatic telescopic rod 300 is arranged on one side of the placement cabinet 400, the first connecting flange 301 is fixedly arranged at the bottom of the pneumatic telescopic rod 300, and the second connecting flange 302 is fixedly arranged at the top of the pneumatic telescopic rod 300. The first connecting flange 301 is connected to the bottom mounting plate 700 through a connecting piece 702.

[0061] Preferably, one end of the connecting piece 702 is fixedly disposed on the bottom mounting plate 700, and the first connecting flange 301 and the connecting piece 702 are detachably connected via bolts.

[0062] When in use, the height of the mounting assembly 20 and the roadside sensor 10 can be adjusted by extending and retracting the pneumatic telescopic rod 300, thereby enabling the roadside sensor 10 to adapt to more scenarios.

[0063] The pneumatic telescopic rod 300 can be a pneumatic telescopic rod 300 in the prior art that can realize the function of the utility model. The pneumatic telescopic rod 300 can be extended and retracted by an external air pump.

[0064] In order to increase the stability of the pneumatic telescopic rod 300, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a pair of connecting pipes 408 are provided on the side of the cabinet 400 close to the pneumatic telescopic rod 300, and a locking sleeve 303 is provided on the pneumatic telescopic rod 300 to cooperate with the connecting pipe 408. The locking sleeve 303 and the pair of connecting pipes 408 are detachably connected by a pair of locking bolts 304.

[0065] The setting of the locking sleeve 303 allows the pneumatic telescopic rod 300 to be connected not only to the connecting piece 702 through the first connecting flange 301, but also to the connecting pipe 408 placed on the cabinet 400 through the locking sleeve 303 and the locking bolt 304, thereby increasing the stability of the pneumatic telescopic rod 300 during installation and use.

[0066] In order to facilitate the installation of the roadside sensor 10, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the mounting assembly 20 includes a mounting tube 200, a mounting block 201 and at least one pair of mounting beams 202. Third connecting flanges 203 are respectively provided on both sides of the mounting tube 200. The third connecting flange 203 can be detachably connected to the second connecting flange 302 by bolts. The mounting block 201 is sleeved on the mounting tube 200 and is connected to the mounting tube 200 by a fixing pin 204. One end of the fixing pin 204 passes through the mounting block 201 and the mounting tube 200, and is fixedly connected to the mounting block 201 and the mounting tube 200. A mounting plane 205 is provided on the mounting block 201 to cooperate with the mounting beam 202. The mounting beam 202 is detachably connected to the mounting plane 205 on the mounting block 201.

[0067] Preferably, a connecting plate 206 cooperating with the mounting plane 205 is provided at one end of the mounting crossbeam 202, and the connecting plate 206 is detachably connected to the mounting plane 205 by bolts.

[0068] When in use, the third connecting flange 203 is connected to the second connecting flange 302 by bolts, so that the mounting assembly 20 can be quickly installed or removed from the lifting assembly 30 . The setting of the mounting beam 202 can facilitate the installation of the roadside sensor 10 .

[0069] Preferably, a plurality of roadside sensors 10 are respectively mounted on the mounting beam 202 .

[0070] A plurality of roadside sensors 10 may be fixedly connected or detachably connected to the mounting crossbeam 202 , for example, fixedly connected by welding or detachably connected by mounting parts and bolts.

[0071] The mounting member at least includes a fixing portion and a connecting portion. The fixing portion is sleeved on the mounting cross beam 202. The connecting portion is used to fix the fixing portion on the mounting cross beam 202. The fixing portion and the connecting portion can be detachably connected by bolts. The roadside sensor 10 is fixedly mounted on the connecting portion.

[0072] The number of the mounting cross beams 202 is one pair or two pairs.

[0073] When there is a pair of mounting beams 202 , there is a pair of mounting planes 205 on the mounting block 201 , and the mounting planes 205 are located on both sides of the mounting block 201 , respectively. The two mounting beams 202 are detachably connected to the mounting planes 205 located on both sides of the mounting block 201 by bolts.

[0074] When there are two pairs of mounting beams 202, there are two pairs of mounting planes 205 on the mounting block 201, and the mounting planes 205 are respectively located on the sides around the mounting block 201, and the four mounting beams 202 are respectively detachably connected to the mounting planes 205 located on the sides around the mounting block 201 by bolts.

[0075] Working principle of this utility model:

[0076] When the utility model is in use, the placement component 40 and the lifting component 30 are arranged on the moving component 70, the installation component 20 is arranged on the lifting component 30, and a plurality of roadside sensors 10 are arranged on the installation component 20. The entire device can be moved by the moving component 70, and then the utility model can be moved to a place where the roadside sensing device is needed for use. Among them, by setting a plurality of roadside sensors 10 for monitoring and collecting data, by setting the installation component 20 for installing the roadside sensor 10, by setting the lifting component 30 for adjusting the height of the installation component 20 and the roadside sensor 10, by setting the placement component 40 for placing the edge calculator 50 for data analysis and processing and the power supply 60 for powering the roadside sensor 10 and the edge calculator 50.

[0077] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A mobile roadside sensing device, characterized in that: include: A plurality of roadside sensors (10); A mounting assembly (20), the mounting assembly (20) being used to mount a roadside sensor (10); A lifting assembly (30), the lifting assembly (30) being used to achieve height adjustment of the mounting assembly (20) and the roadside sensor (10); A placement component (40), the placement component (40) is used to place an edge computer (50) for data analysis and processing and a power supply (60) for supplying power to the roadside sensor (10) and the edge computer (50); A moving component (70), the moving component (70) is used to achieve movement; The placement component (40) and the lifting component (30) are cooperatively arranged on the moving component (70), the installation component (20) is arranged on the lifting component (30), and a plurality of roadside sensors (10) are arranged on the installation component (20).

2. A mobile roadside sensing device according to claim 1, characterized in that: The moving assembly (70) comprises a bottom mounting plate (700) and two pairs of universal wheels (701), wherein the two pairs of universal wheels (701) are arranged at the bottom of the bottom mounting plate (700) and are fixedly connected to the bottom mounting plate (700).

3. A mobile roadside sensing device according to claim 2, characterized in that: The placement assembly (40) comprises a placement cabinet (400) and a placement cabinet door (401). The placement cabinet (400) is arranged on a bottom mounting plate (700). A placement cavity (402) is arranged in the placement cabinet (400). A partition plate (403) is arranged in the placement cavity (402). The partition plate (403) divides the placement cavity (402) into two accommodating cavities (404). One accommodating cavity (404) is used to place an edge calculator (50), and the other accommodating cavity (404) is used to place a power supply (60). One end of the placement cabinet door (401) is hinged to the placement cabinet (400) through a pair of hinges (405), and the other end is connected to the placement cabinet (400) through a cabinet door lock (406).

4. A mobile roadside sensing device according to claim 3, characterized in that: A pulling handle (407) is provided on the storage cabinet (400), the pulling handle (407) is fixedly connected to the storage cabinet (400), and the pulling handle (407) is located above the storage cabinet door (401).

5. The mobile roadside sensing device according to claim 4, characterized in that: The lifting assembly (30) comprises a pneumatic telescopic rod (300), a first connecting flange (301) and a second connecting flange (302); the pneumatic telescopic rod (300) is arranged on one side of the placement cabinet (400); the first connecting flange (301) is fixedly arranged at the bottom of the pneumatic telescopic rod (300); the second connecting flange (302) is fixedly arranged at the top of the pneumatic telescopic rod (300); and the first connecting flange (301) is connected to the bottom mounting plate (700) via a connecting piece (702).

6. The mobile roadside sensing device according to claim 5, characterized in that: One end of the connecting plate (702) is fixedly arranged on the bottom mounting plate (700), and the first connecting flange (301) and the connecting plate (702) are detachably connected via bolts.

7. The mobile roadside sensing device according to claim 6, characterized in that: A pair of connecting pipes (408) is provided on one side of the cabinet (400) close to the pneumatic telescopic rod (300), and a locking sleeve (303) matched with the connecting pipe (408) is provided on the pneumatic telescopic rod (300). The locking sleeve (303) and the pair of connecting pipes (408) are detachably connected via a pair of locking bolts (304).

8. The mobile roadside sensing device according to claim 7, characterized in that: The mounting assembly (20) comprises a mounting tube (200), a mounting block (201) and at least one pair of mounting crossbeams (202); third connecting flanges (203) are respectively provided on both sides of the mounting tube (200); the third connecting flanges (203) can be detachably connected to the second connecting flanges (302) by bolts; the mounting block (201) is sleeved on the mounting tube (200) and connected to the mounting tube (200) by a fixing pin (204); one end of the fixing pin (204) passes through the mounting block (201) and the mounting tube (200) and is fixedly connected to the mounting block (201) and the mounting tube (200); a mounting plane (205) matched with the mounting crossbeam (202) is provided on the mounting block (201); the mounting crossbeam (202) is detachably connected to the mounting plane (205) on the mounting block (201).

9. The mobile roadside sensing device according to claim 8, characterized in that: One end of the installation crossbeam (202) is provided with a connecting plate (206) that is arranged in coordination with the installation plane (205); the connecting plate (206) and the installation plane (205) are detachably connected via bolts.

10. The mobile roadside sensing device according to claim 9, characterized in that: A plurality of roadside sensors (10) are respectively mounted on the mounting crossbeam (202).

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