61results about How to "Avoid interfering with movement" patented technology

The invention discloses an electrical cabinet device convenient to maintain and a use method thereof. The device comprises a fixed frame component (8) and a functional component bearing frame (9) capable of pivoting relative to the fixed frame component (8); a functional component device (92) provided with an operation side (921) and a wiring side (922) is borne on the functional component bearing frame (9), and a pivot driving gear sleeve (91) which is rotatably matched with a hinge shaft (81) fixedly arranged at the position nearby the rear end of the fixed frame component (8) is fixedly arranged at the end, close to the fixed frame component (8), of the functional component bearing frame (9); and a rack assembly which is driven by a screw rod (19) and can move in the front and back direction is arranged in the fixed frame component (8), wherein the screw rod is driven by a driving motor (1) to rotate and extends in the front and back direction.

The invention provides a protective device applied to a solar photovoltaic panel and an operation method thereof. The device is used for housing a photovoltaic panel lifting area (90) in a protective casing body (9). The device comprises an insertion joint hole (88) arranged in the protective casing body (9) and a slide protective part (8) which can be inserted into the insertion joint hole (88). When the slide protective part (8) slides into the insertion joint hole (88), the photovoltaic panel lifting area (90) is closed. When the slide protective part (8) slides off the insertion joint hole (88), the lifting operation is allowed in the photovoltaic panel lifting area (90). According to the invention, the operation of the whole device is reliable, and the service life of the solar photovoltaic panel can be effectively improved.

An anti-seismic power electrical cabinet device and its use method, wherein the device includes a fixed frame part (8) and a functional device carrier (9) that is pivotable relative to the fixed frame part (8). A functional device device (92) with an operating side (921) and a wiring side (922) is carried on the device carrier (9), and the end of the functional device carrier (9) close to the fixing frame part (8) A pivoting drive gear sleeve (91) rotatably matched with the hinge shaft (81) fixedly arranged near the rear end of the fixed frame part (8) is fixedly arranged, and in the fixed frame part (8) A rack assembly capable of moving in the front and rear directions is provided, driven by a screw rod (19) extending in the front and rear directions driven by the drive motor (1).

The invention discloses a universal electronic product assembling platform and an assembling process thereof. The universal electronic product assembling platform comprises a platform part and an assembling part, wherein the platform part and the assembling part are mutually inserted and installed in the horizontal direction to form an integral structure, and the platform part comprises an assembling assembly, a supporting table, feeding pulling bodies, a platform assembly and a jig; the assembling assembly is horizontally arranged, and the supporting table is arranged on one side of the assembling assembly. The two feeding pull bodies are arranged on the horizontal supporting face in parallel in a spaced mode. The platform assembly is arranged on one side of the feeding pull body; the assembling part comprises a support assembly, a feeding assembly and an assembling component, wherein whole support assembly is of a laterally-placed U-shaped structure, and the assembling component is arranged on the upper side edge of the laterally-placed U-shaped structure in a suspended mode and arranged above the platform assembly; the feeding assembly is arranged on one side of the support assembly. The universal electronic product assembling platform can be suitable for bottom layer universal assembling platforms of various different products and assembling processes, the assembling process is effectively simplified, and the assembling efficiency is improved.

Disclosed are a balcony sunshade device and an operation method thereof. The balcony sunshade device comprises a guiding support (11) fixedly mounted at the outer side end of the top wall of a balcony and a sunshade plate (8) which can slide in a guiding groove (12) of the guiding support (11), thus, when the sunshade plate (8) slides rightward to the rightmost side along the guiding groove (12), sun shading and rain shielding can be conducted on the balcony, and when the sunshade plate (8) slides leftward to the leftmost side along the guiding groove (12), sunlight is allowed to irradiate in the balcony. By using the device, the state of the sunshade plate can be adjusted according to the weather, when rain shielding or sun shading is needed, the sunshade plate can extend out, so that the situation that rain drops into the balcony or sun irradiates in the balcony is avoided; and when the irradiation area of the sun needs to be increased, the sunshade plate can retract, and accordingly the balcony can have the largest irradiation area.

The invention provides a protective device applied to a photovoltaic panel and an operation method thereof. The device is used for housing a photovoltaic panel lifting area (90) in a protective casing body (9). The device comprises an insertion joint hole (88) arranged in the protective casing body (9) and a slide protective part (8) which can be inserted into the insertion joint hole (88). When the slide protective part (8) slides into the insertion joint hole (88), the photovoltaic panel lifting area (90) is closed. When the slide protective part (8) slides off the insertion joint hole (88), the lifting operation is allowed in the photovoltaic panel lifting area (90). According to the invention, the operation of the whole device is reliable, and the service life of the solar photovoltaic panel can be effectively improved.

Provided are a roller shutter drive device of a car window and a use method of the roller shutter drive device. The roller shutter drive device of the car window comprises a fixed frame component (8) fixed to a car body (88), and a roller shutter assembly (9) which can pivot relative to the fixed frame component (8). The roller shutter assembly (9) comprises a roller shutter rolling shaft (81), drive shaft type gears (91) and a partially-pressed pivoting wheel (94), wherein the roller shutter rolling shaft (81) is used for being fixedly connected with the upper end of a roller shutter (92) and can roll the roller shutter (92); the drive shaft type gears (91) are arranged on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically and coaxially; the partially-pressed pivoting wheel (94) is fixedly connected with the lower end of the roller shutter through a flexible dragging cable; and the partially-pressed pivoting wheel (94) is partially pressed by a pivoting partially-pressing spring so that the roller shutter (92) can be tensioned downwards. Two rack drive assemblies positioned on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically are arranged in the fixed frame component (8).

The invention provides a solar-powered car window roller blind driving mechanism and an application method thereof. The device comprises a fixed mount part (8) fixed to a car body (88) and a roller blind assembly (9) capable of pivoting relative to the fixed mount part (8). The roller blind assembly (9) comprises a roller blind winding shaft (81), drive shaft type gears (91) and an eccentric pressing pivot wheel (94), wherein the roller blind winding shaft (81) is used for being fixedly connected with the upper end of a roller blind (92) and can wind up the roller blind (92); the drive shaft type gears (91) are symmetrically and coaxially arranged on the front side and the rear side of the roller blind winding shaft (81); the eccentric pressing pivot wheel (94) is fixedly connected with the lower end of the roller blind through a flexible pull rope; and the eccentric pressing pivot wheel (94) is eccentrically pressed by a pivot eccentric pressing spring to tension the roller blind (92) downwards. The fixed mount part (8) is provided with two rack driving assemblies which are symmetrically located on the front side and the rear side of the roller blind winding shaft (81).

The invention provides a safe and environment-friendly power electrical cabinet device and an application method thereof. The device comprises a fixed frame component (8) and a functional device bearing frame (9), wherein the functional device bearing frame (9) can pivot relative to the fixed frame component (8); a functional device (92) with an operation side (921) and a connection side (922) is carried on the functional device bearing frame (9); a pivot drive gear sleeve (91) is fixedly arranged at the end part, close to the fixed frame component (8), of the functional device bearing frame (9); the pivot drive gear sleeve (91) is in rotatable fit with an articulated shaft (81) which is fixedly arranged at the position, adjacent to the rear end part of the fixed frame component (8); a rack assembly which is driven by a screw rod (19) and can move in the forward-backward direction is arranged in the fixed frame component (8); and the screw rod (19) is driven by a drive motor (1) to rotate and extends in the forward-backward direction.

A steady and firm power and electrical cabinet apparatus and a use method therefor are disclosed. The apparatus comprises a fixed frame part (8) and a functional device carrying frame (9) that can pivot relative to the fixed frame part (8); the functional device carrying frame (9) bears a functional device apparatus (92) with an operating side (921) and a wiring side (922); a pivot driving gear sleeve (91) is fixedly arranged in the end part, close to the fixed frame part (8), of the functional device carrying frame (9), wherein the pivot driving gear sleeve (91) is rotationally matched with an articulated shaft (81) that is fixedly arranged close to the back end part of the fixed frame part (8); a rack assembly capable of moving in a front-and-back direction is arranged in the fixed frame part (8), wherein the rack assembly is driven by a screw rod (19) that is driven by a driving motor (1) to rotate and can extend in the front-and-back direction.

The invention relates to an electrical cabinet device and an application method thereof. The device comprises a fixed rack part (8) and a functional device bearing rack (9), wherein the functional device bearing rack (9) can pivot relative to the fixed rack part (8), a functional device (92) is carried by the functional device bearing rack (9) and provided with an operation side (921) and a wiring side (922), a pivot rotation driving gear sleeve (91) is fixedly arranged at the end part, close to the fixed rack part (8), of the functional device bearing rack (9), the pivot rotation driving gear sleeve (91) is rotatably matched with a hinged shaft (81) fixedly arranged at a position near to the rear end part of the fixed rack part (8), a rack assembly is arranged in the fixed rack part (8) and can be driven to move forwards and backwards by a screw rod (19), and the screw rod (19) is driven to rotate by a driving motor (1) and extends forwards and backwards.

The invention provides a stable protective device applied to a solar photovoltaic panel and an operation method thereof. The device is used for housing a photovoltaic panel lifting area (90) in a protective casing body (9). The device comprises an insertion joint hole (88) arranged in the protective casing body (9) and a slide protective part (8) which can be inserted into the insertion joint hole (88). When the slide protective part (8) slides into the insertion joint hole (88), the photovoltaic panel lifting area (90) is closed. When the slide protective part (8) slides off the insertion joint hole (88), the lifting operation is allowed in the photovoltaic panel lifting area (90). According to the invention, the operation of the whole device is reliable, and the service life of the solar photovoltaic panel can be effectively improved.

The invention relates to an electric cabinet device control system. The control system comprises a digital signal processor (DSP) controller, a motor driving circuit and an electric cabinet device, wherein the electric cabinet device comprises a fixed rack part (8) and a functional device bearing rack (9), wherein the functional device bearing rack (9) can pivot relative to the fixed rack part (8), a functional device (92) is carried on the functional device bearing rack (9) and is provided with an operating side (921) and a wiring side (922), a pivot driving gear sleeve (91) is fixedly arranged at end part, close to the fixed rack part (8), of the functional device bearing rack (9) and is rotatably matched with a hinge shaft (81), the hinge shaft (81) is fixedly arranged at a position near to the rear end part of the fixed rack part (8), a rack assembly is arranged in the fixed rack part (8) and can move forwards and backwards by the driving of a screw rod (19), and the screw rod (19) is driven to rotate by a driving motor (1) and extends forwards and backwards.

The invention discloses a diversion canal gate device capable of storing water and an operation method thereof. The gate device is used for closing a diversion port (90) of a diversion canal (9), and comprises a gate frame (88) which is welded with the diversion canal (9) and a wedging device (8) which can be wedged into a gate opening (80) of the gate frame (88). According to the device, when gate bars (801) of the wedging device (8) move into the gate opening (80) of the gate frame (88), the diversion port (90) is closed; and when the gate bars (801) of the wedging device (8) leave the gate opening of the gate frame (88), the diversion port (90) continues to lead water flow.

The invention provides a roller shutter lifting device for an automobile window and a use method for the roller shutter lifting device. The roller shutter lifting device comprises a fixing frame component (8) fixed to an automobile body (88) and a roller shutter assembly (9) capable of pivoting relative to the fixing frame component (8). The roller shutter assembly (9) comprises a roller shutter rolling shaft (81) which is used for being fixedly connected with the upper end of a roller shutter (92) and can roll the roller shutter (92), drive shaft type gears (91) symmetrically and coaxially arranged on the front side and the rear side of the roller shutter rolling shaft (81) and a bias pivoting wheel (94) fixedly connected with the lower end of the roller shutter through a flexible traction mooring rope. The bias pivoting wheel (94) is biased through a pivoting bias spring, so that the roller shutter (92) is tightened downwards. Two rack drive assemblies symmetrically located on the front side and the rear side of the roller shutter rolling shaft (81) are arranged in the fixing frame component (8).

The invention relates to a wide-field microscope and to a method for determining spatially resolved height information of a sample (14) by means of a wide-field microscope. The wide-field microscope comprises an illumination source (1, 52, 53), which is arranged in an illumination beam path; a first detector unit (17, 33) for capturing a wide-field image in an observation beam path of a sample (14) illuminated in a sample plane (P); a modulator for chromatically modulating the illumination beam path or the observation beam path in a direction perpendicular to the sample plane (P); an evaluating unit for determining chromatic confocal height information in each pixel of the wide-field image. The method comprises the following steps: illuminating the sample (14) by means of a wide-band illumination source (1) in an illumination beam path; chromatically modulating the illumination beam path or a detection beam path; capturing at least one wide-field image from sample light reflected or emitted by the sample in the detection beam path, said sample light having chromatic confocal components; determining, pixel by pixel, height information of the sample from the wide-field image by evaluating chromatic confocal components of the detection beam path in accordance with the chromatic modulation.

Disclosed are a novel sunshade device for a balcony and an operation method thereof. The novel sunshade device comprises a guiding support (11) fixedly mounted at the outer side end of the top wall of the balcony and a sunshade plate (8) which can slide in a guiding groove (12) of the guiding support (11), thus, when the sunshade plate (8) slides rightward to the rightmost side along the guiding groove (12), sun shading and rain shielding can be conducted on the balcony, and when the sunshade plate (8) slides leftward to the leftmost side along the guiding groove (12), sunlight is allowed to irradiate in the balcony. By using the device, the state of the sunshade plate can be adjusted according to the weather, when rain shielding or sun shading is needed, the sunshade plate can extend out, so that the situation that rain drops into the balcony or sun irradiates in the balcony is avoided; and when the irradiation area of the sun needs to be increased, the sunshade plate can retract, and accordingly the balcony can have the largest irradiation area.

The invention discloses a vehicle window roller shutter driving device preventing sliding deflection and a using method thereof. The device comprises a fixed frame part (8) fixed to a vehicle body (88), and a roller shutter assembly (9) capable of pivoting relative to the fixed frame part (8). The roller shutter assembly (9) comprises a roller shutter coiling shaft (81) fixedly connected with the upper end of a roller shutter (92) and capable of winding the roller shutter (92), driving shaft type gears (91) symmetrically and concentrically arranged on the front side and the rear side of the roller shutter coiling shaft (81), and a bias pressure pivoting wheel (94) fixedly connected with the lower end of the roller shutter through a flexible traction mooring rope, and the bias pressure pivoting wheel (94) is bias pressed through a pivoting bias pressure spring so that the roller shutter (92) can be tensioned downwards; two rack driving assemblies symmetrically positioned on the front side and the rear side of the roller shutter coiling shaft (81) are arranged in the fixed frame part (8).

An easy-ventilation agricultural greenhouse ventilator and an operating method thereof are provided; the easy-ventilation agricultural greenhouse ventilator is used for covering an air vent passage (90) in a greenhouse frame (9) and comprises a connection (88) arranged in the greenhouse frame (9) and a seal cover (8) that may be inserted into the connection (88); therefore, when the seal cover (8) is slid into the connection (88), the air vent passage (90) is closed; when the seal cover (8) is slid off between the connection (88) and an air vent, the air vent passage (90) admits air. The easy-ventilation agricultural greenhouse ventilator runs reliably, ventilation efficiency can be improved effectively, and crops in a greenhouse can grow in the optimal temperature range.

The invention discloses an intelligent lifting device for a car window roller blind and an application method of the intelligent lifting device. The device comprises a fixed frame component (8) fixed to a car body (88) and a roller blind assembly (9) capable of pivoting relative to the fixed frame component (8). The roller blind assembly (9) comprises a roller blind reel (81), driving shaft type gears (91) and a bias pressure pivoting wheel (94), wherein the roller blind reel (81) is used for being fixedly connected with the upper end of the roller blind (92), the roller blind (92) can be wound around the roller blind reel (81), the driving shaft type gears (91) are symmetrically and coaxially arranged on the front side and the rear side of the roller blind reel (81), the bias pressure pivoting wheel (94) is fixedly connected with the lower end of the roller blind through a flexible pull cable, and the pressure of the bias pressure pivoting wheel (94) is biased so that the roller blind (92) can be tightly pulled downwards. Two rack driving assemblies which are symmetrically located on the front side and the rear side of the roller blind reel (81) are arranged in the fixed frame component (8).

The invention relates to a driving device for a vehicle window roller blind and a using method thereof. The driving device comprises a fixed frame part (8) and a roller blind component (9), wherein the fixed frame part (8) is fixed on a vehicle body (88); and the roller blind component (9) can pivot relative to the fixed frame part (8). The roller blind component (9) comprises a roller blind scroll (81), driving shaft type gears (91) and a biasing pivot wheel (94), wherein the roller blind scroll (81) is fixedly connected with the upper end of the roller blind (92) and can wind the roller blind (92); the driving shaft type gears (91) are symmetrically and coaxially arranged on the front and rear sides of the roller blind scroll (81); the biasing pivot wheel (94) is fixedly connected with the lower end of the roller blind through a flexible traction cable; the biasing pivot wheel (94) is biased through a pivoting biasing spring so as to tension the roller blind (92) downwards; and two rack driving components, which are symmetrically positioned on the front and rear sides of the roller blind scroll (81), are arranged in the fixed frame part (8).

Provided are power failure prevention car window roller shutter drive equipment and a use method thereof. The power failure prevention car window roller shutter drive equipment comprises a fixed frame component (8) fixed to a car body (88), and a roller shutter assembly (9) which can pivot relative to the fixed frame component (8). The roller shutter assembly (9) comprises a roller shutter rolling shaft (81), drive shaft type gears (91) and a partially-pressed pivoting wheel (94), wherein the roller shutter rolling shaft (81) is used for being fixedly connected with the upper end of a roller shutter (92) and can roll the roller shutter (92); the drive shaft type gears (91) are arranged on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically and coaxially; the partially-pressed pivoting wheel (94) is fixedly connected with the lower end of the roller shutter through a flexible dragging cable; and the partially-pressed pivoting wheel (94) is partially pressed by a pivoting partially-pressing spring so that the roller shutter (92) can be tensioned downwards. Two rack drive assemblies positioned on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically are arranged in the fixed frame component (8).

Provided are an energy-efficient power electrical cabinet device and an application method thereof, wherein said device comprises a holder member (8) and a functional element carrier (9) pivotable with respect to the holder member (8); the functional element carrier (9) carries a functional device means (92) including an operating side (921) and a wiring side (922); the function device carrier (9) at the ends close to the holder member (8) is fixedly provided with a pivot driving gear sleeve (91) which cooperates rotatably with an articulated shaft (81) fixed nearby the rear end portion of the holder member (8); the holder member (8) is internally provided with a rack assembly which can move in a front-back direction under the driving of a screw (19) extending in a front-back direction through the driving rotation of a drive motor (1).

The invention relates to an intelligent driving device for a vehicle window roller blind and a using method thereof. The intelligent driving device comprises a fixed frame part (8) and a roller blind component (9), wherein the fixed frame part (8) is fixed on a vehicle body (88); and the roller blind component (9) can pivot relative to the fixed frame part (8). The roller blind component (9) comprises a roller blind scroll (81), driving shaft type gears (91) and a biasing pivot wheel (94), wherein the roller blind scroll (81) is fixedly connected with the upper end of the roller blind (92) and can wind the roller blind (92); the driving shaft type gears (91) are symmetrically and coaxially arranged on the front and rear sides of the roller blind scroll (81); the biasing pivot wheel (94) is fixedly connected with the lower end of the roller blind through a flexible traction cable; the biasing pivot wheel (94) is biased through a pivoting biasing spring so as to tension the roller blind (92) downwards; and two rack driving components, which are symmetrically positioned on the front and rear sides of the roller blind scroll (81), are arranged in the fixed frame part (8).

Provided are a car window roller shutter drive mechanism with the adjustable limiting distance and a use method thereof. The car window roller shutter drive mechanism with the adjustable limiting distance comprises a fixed frame component (8) fixed to a car body (88), and a roller shutter assembly (9) which can pivot relative to the fixed frame component (8). The roller shutter assembly (9) comprises a roller shutter rolling shaft (81), drive shaft type gears (91) and a partially-pressed pivoting wheel (94), wherein the roller shutter rolling shaft (81) is used for being fixedly connected with the upper end of a roller shutter (92) and can roll the roller shutter (92); the drive shaft type gears (91) are arranged on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically and coaxially; the partially-pressed pivoting wheel (94) is fixedly connected with the lower end of the roller shutter through a flexible dragging cable; and the partially-pressed pivoting wheel (94) is partially pressed by a pivoting partially-pressing spring so that the roller shutter (92) can be tensioned downwards. Two rack drive assemblies positioned on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically are arranged in the fixed frame component (8).

The invention relates to a widefield microscope and a method of determining spatially resolved height information of a sample (14) using a widefield microscope. The widefield microscope includes: an illumination source (1,52,53) arranged in the path of the illumination beam; a first detector unit (17,33) for detecting the sample illuminated in the sample plane (P) A widefield image in the observation beam path of (14); a modulator for chromatic modulation of the illumination beam path or the observation beam path in a direction perpendicular to the sample plane (P); evaluation Unit for determining chromaticity confocal height information in each image point of the widefield image. The method includes the following steps: illuminating the sample (14) using a broadband illumination source (1) in an illumination beam path; performing chromaticity modulation on the illumination beam path or detection beam path; detecting at least one widefield image of the sample light reflected or determined to have a chromaticity confocal component; dependent on the chromaticity modulation, by evaluating the chromaticity confocal component of the detection beam path, from the widefield The field image determines the height information of the sample pixel by pixel.

Provided are a car window roller shutter drive device with the adjustable speed and a use method thereof. The car window roller shutter drive device with the adjustable speed comprises a fixed frame component (8) fixed to a car body (88), and a roller shutter assembly (9) which can pivot relative to the fixed frame component (8). The roller shutter assembly (9) comprises a roller shutter rolling shaft (81), drive shaft type gears (91) and a partially-pressed pivoting wheel (94), wherein the roller shutter rolling shaft (81) is used for being fixedly connected with the upper end of a roller shutter (92) and can roll the roller shutter (92); the drive shaft type gears (91) are arranged on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically and coaxially; the partially-pressed pivoting wheel (94) is fixedly connected with the lower end of the roller shutter through a flexible dragging cable; and the partially-pressed pivoting wheel (94) is partially pressed by a pivoting partially-pressing spring so that the roller shutter (92) can be tensioned downwards. Two rack drive assemblies positioned on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically are arranged in the fixed frame component (8).

The invention discloses a drive device used for a car window roller shutter and a use method thereof. The device comprises a fixing frame component (8) fixed to a car body (88) and a roller shutter assembly (9) capable of pivoting relative to the fixing frame component (8); the roller shutter assembly (9) comprises a roller shutter reel (81), drive shaft type gears (91) and a bias pressure pivoting wheel (94), wherein the roller shutter reel (81) is fixedly connected to the upper end of the roller shutter (92), the roller shutter (92) can wind around the roller shutter reel (81), the drive shaft type gears (91) are symmetrically and coaxially arranged on the front side and the rear side of the roller shutter reel (81), and the bias pressure pivoting wheel (94) is fixedly connected to the lower end of the roller shutter through a flexible traction cable rope; the bias pressure pivoting wheel (94) tensions the roller shutter (92) downwards through the bias pressure of a pivoting bias pressure spring; two rack drive assemblies on the front side and the rear side of the roller shutter reel (81) are symmetrically located in the fixing frame component (8).

Provided are a car window roller shutter drive mechanism with high flexibility and a use method thereof. The car window roller shutter drive mechanism with high flexibility comprises a fixed frame component (8) fixed to a car body (88), and a roller shutter assembly (9) which can pivot relative to the fixed frame component (8). The roller shutter assembly (9) comprises a roller shutter rolling shaft (81), drive shaft type gears (91) and a partially-pressed pivoting wheel (94), wherein the roller shutter rolling shaft (81) is used for being fixedly connected with the upper end of a roller shutter (92) and can roll the roller shutter (92); the drive shaft type gears (91) are arranged on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically and coaxially; the partially-pressed pivoting wheel (94) is fixedly connected with the lower end of the roller shutter through a flexible dragging cable; and the partially-pressed pivoting wheel (94) is partially pressed by a pivoting partially-pressing spring so that the roller shutter (92) can be tensioned downwards. Two rack drive assemblies positioned on the front side and the rear side of the roller shutter rolling shaft (81) symmetrically are arranged in the fixed frame component (8).