90results about How to "Compensation clearance" patented technology

Disclosed is an apparatus for automatically compensating for the clearance of a support yoke in a rack-and-pinion steering system by using a torsion spring and a cam mechanism so that, when the support yoke generates a clearance, it is automatically compensated for without separate adjustment. Unlike conventional apparatuses for reducing rattle noise resulting from the increased gap between the yoke plug and the support yoke, the disclosed apparatus maintains a constant gap. In addition, the first cam, the second cam, and the torque spring automatically compensate for the clearance of the support yoke.

A beverage forming system that includes a capsule for containing beverage ingredients and having an outer surface; a capsule-based beverage producing device provided with a member for injecting a liquid under pressure into the capsule, a member for draining a beverage from the capsule, and an enclosing member transferable from an opened state to a defined closed state, in which the enclosing member encloses the outer surface of the capsule; and a sealing member associated with the capsule and which is compressible when engaged by the enclosing member in the closed state, wherein the sealing member is effective to compensate for the clearance between the enclosing member and the capsule which would otherwise exist when the enclosing member is in its defined closed state. Also, a method for producing a beverage using such a system.

Disclosed is an apparatus (300) for automatically compensating for the clearance of a support yoke (310) in a rack-and-pinion steering system by using a torsion spring (370) and a cam mechanism so that, when the support yoke (310) generates a clearance, it is automatically compensated for without separate adjustment. Unlike conventional apparatuses for reducing rattle noise resulting from the increased gap between the yoke plug (360) and the support yoke (310), the disclosed apparatus maintains a constant gap. In addition, the first cam (330), the second cam (350), and the torque spring (370) automatically compensate for the clearance of the support yoke (310).

A locking device (10) includes an adjustable bracket (7) provided with a recess (16), a stationary contour (9) with a contact surface (12), a pin (8), which is arranged movably in the recess (16) and on which an axial spring force generated by a compression spring (21) acts. A pin head (14) projects from the recess (16) of the bracket (7) and has a contact pair with the contact surface (12). At least one centering device (18) is provided between the pin (8) and the bracket (7). The locking device has a centering device (18), which has an elastically deformable ring (19). The ring (19) is arranged between the pin (8) and the bracket (7) within the recess (16) and is displaceably arranged within the recess (16). The ring (19) has a surface (22) with a cross section tapering against the direction of the force of the compression spring (21). The surface is in contact with a complementary surface (23) at the pin (8).

A locking device (10) includes an adjustable bracket (7) provided with a recess (16), a stationary contour (9) with a contact surface (12), a pin (8), which is arranged movably in the recess (16) and on which an axial spring force generated by a compression spring (21) acts. A pin head (14) projects from the recess (16) of the bracket (7) and has a contact pair with the contact surface (12). At least one centering device (18) is provided between the pin (8) and the bracket (7). The locking device has a centering device (18), which has an elastically deformable ring (19). The ring (19) is arranged between the pin (8) and the bracket (7) within the recess (16) and is displaceably arranged within the recess (16). The ring (19) has a surface (22) with a cross section tapering against the direction of the force of the compression spring (21). The surface is in contact with a complementary surface (23) at the pin (8).

The invention discloses a brake cylinder of a hydraulic brake device of a railway vehicle. The brake cylinder comprises a shell component, a disk spring assembly, an indicator assembly, a piston assembly, a push rod assembly and an end cover assembly. The push rod assembly, the piston assembly, the disk spring assembly and the indicator assembly are sequentially installed in a cylindrical hole inside the shell component from front to back, wherein the cylindrical hole is provided with a step, and the axis of the push rod assembly, the axis of the piston assembly, the axis of the disk spring assembly, and the axis of the indicator assembly are the same as the main axis of the shell component. The end cover assembly is installed on the cylindrical step at the front end of the shell component, and the axis of the end cover assembly is the same as the main axis of the shell component. Brake clearances can be automatically compensated by multiple threads. Compared with an existing brake cylinder, the brake cylinder is simple in structure, convenient to machine and assemble, few in movable parts, and high in reliability, has the friction plate and brake disc abrasion monitoring function and the automatic compensation mechanism running real-time monitoring function, and can remotely monitor the working state of the brake cylinder in real time. Manual brake loosening and adjustment can be achieved on the scene through a manual mechanical brake loosening device, and operation is conveniently and quickly conducted.

The present invention relates to a camera module, for use in the automobile sector, with a printed circuit board assembly, the printed circuit board assembly comprising at least one printed circuit board and an image sensor; an interface for data transmission, which makes contact with the printed circuit board; a camera module housing, which has a peripheral wall; an interface-side covering element; a compensating element, which is arranged between the peripheral wall and the covering element; the compensating element being designed to seal the camera module housing and compensate for a clearance between the covering element and the peripheral wall. The present invention also relates to a motor vehicle with a camera module according to the invention and also to a method for producing it.

A cooling system for a dynamoelectric machine comprising a cooling jacket for assembly on an outer circumference of a stator of the dynamoelectric machine, a housing for receiving the stator having the mounted cooling jacket such that a hollow chamber, which can be filled with a liquid cooling medium, remains between an outer wall of the cooling jacket and an inner wall of the housing, wherein an inlet opening for inlet of the cooling medium into an inlet region and an outlet opening for outlet of the cooling medium from an outlet region of the hollow chamber are arranged on the housing and a barrier element connected to the cooling jacket for spatial separation of the inlet region from the outlet region is provided. The efficiency of such a cooling system is improved in that the barrier element presses against the inner wall of the housing having increasing pressure difference of the cooling medium in the inlet and outlet region.

A recliner for a vehicle having a wedge comprises: an upper gear having an internal tooth formed on an inner peripheral edge thereof and connected to a seat back to control an inclination angle of the seat back by rotation; lock gear parts provided with an external tooth engaged with the internal tooth and locking or unlocking a rotation of the upper gear by a reciprocating motion; a holder having the upper gear and the lock gear parts received therein and guiding the reciprocating motion of the lock gear parts; and a cam received in the holder and controlling the reciprocating motion of the lock gear parts by rotation. The lock gear part is configured of a first lock gear and a wedge gear part.

The invention discloses a soft rock shearing rheometer for achieving drying and watering cycle and dynamic disturbance. The soft shearing rheometer for achieving drying and watering cycle and dynamic disturbance comprises a platform, wherein a preset track and a shearing rheology unit are arranged in the middle of the platform; the preset track comprises a long side; the shearing rheology unit slides in the long side direction of the preset track, and the shearing rheology unit is connected with a dynamic disturbance unit, a tangential pressurizing system, a displacement measuring system and a pulling pressure measuring system; the dynamic disturbance unit and the tangential pressurizing system coordinately adjust the shearing force of the shearing rheology unit; the displacement measuring system and the pulling pressure measuring system are correspondingly used for measuring the variation of the displacement and the pulling pressure of the shearing rheology unit; a drying and watering cycle unit for realizing the drying and watering cycle of the shearing rheology unit is arranged at the upper part of the shearing rheology unit; the stress is preset for the shearing rheology unit in the normal direction of the shearing rheology unit through a normal pressurizing system. The soft rock shearing rheometer for achieving drying and watering cycle and dynamic disturbance is applicable to the study on large-size soft rock rheology property; the measuring result is more accurate; the applicable scope is wider.

The invention relates to a low temperature resistant butterfly valve and belongs to the technical field of fluid control valves. The low temperature resistant butterfly valve comprises a valve body (1); a butterfly plate (2) is arranged on the valve body (1) in a bias mode through a valve rod (3); the butterfly plate comprises a flow channel opening device and a flow channel closing device which deflect around the axis of the valve rod; one end of the butterfly plate, which is far away from the valve rod, comprises a peripheral chamfer; the position of the peripheral chamfer of a flow channel, which is corresponding to the closed position of the butterfly plate, comprises a sealing clamping groove; a U-shaped cross section of low temperature resistant non-metal sealing ring (4) with the circular arc end adhered to the chamfering surface of the butterfly plate of the low temperature resistant butterfly valve is inserted into the sealing clamping groove; a spring ring (5) and a supporting ring (7) are embedded into the non-metal sealing ring; the trend that the circular arc end is adhered to the chamfering surface is kept due to the spring ring (5); the two outer sides of the U-shaped cross section are adhered to the wall of the sealing groove due to the supporting ring (7). According to the low temperature resistant butterfly valve, the sealing ring is adhered to the butterfly plate in a sealing mode under the action of contraction of the spring ring and accordingly the reliable effective sealing under the ultra-low temperature conditions can be ensured.

A drive system for an entry / exit facility with at least one pivotably and / or slidably mounted door, ramp, tread or the like of a passenger transport vehicle, the system including at least one actuator or drive motor and a mechanical system driven by it and / or a gear unit for effecting the pivoting or sliding movement of the door, ramp, tread or the like, with an absolute value encoder for acquiring a momentary position during the pivoting or sliding movement, where an evaluation unit is configured to compare the momentary position with at least one reference position stored in a non-volatile memory of the evaluation unit in order to generate an output signal dependent thereon, and the absolute value encoder is flange-connected to a pin that fixes the pivoting movement of the door, ramp, tread or the like, and the gear unit includes a first reduction gear unit, a second reduction gear unit, and a controllable coupling is provided between the reduction gear units.

The invention relates to a double-power two-way composite sealing type low-temperature ball valve, which comprises a valve seat and a valve core. The soft and hard composite seal of a soft and hard combined elastic structure is formed by a metal hard seal, an inner ring soft seal and a butterfly-shaped spring, and connecting end surfaces between the valve seat and the soft and hard seal are supported by the butterfly spring, so that pre-tightening force is generated on the end surfaces, the valve seat is tightly combined with the valve core under the pre-tightening force effect of the butterfly spring, the sealing performance of the valve seat and the valve core is ensured, particle impurities in the fluid can be effectively prevented from entering hard seal gaps through the soft seal, the abrasion between the hard seal valve seat and the valve core is reduced, the service life of the valve is improved, the valve rod adopts a duplex sealing structure, the valve body and the valve rod seal adopt double butterfly-shaped elastic gaskets, the contact pressure between the valve rod and the sealing element is maintained, the sealing performance is improved, the valve rod and the sleeve adopt adjustable elasticity uniform-pressure type pre-tightening seal, the outward leakage of the valve is reduced, the valve is provided with a circular disc for installing electric, hydraulic and pneumatic drivers, an electric, hydraulic and pneumatic driving device can be conveniently installed, and the manual and automatic double-power conversion can be realized.

The invention discloses a rock-soil mass direct-shear test apparatus capable of quickly and accurately compressing. The rock-soil mass direct-shear test apparatus comprises a platform and a default sliding rail arranged in the middle of the platform, wherein the default sliding rail comprises a long side; a lower shear box is arranged at the upper part of the default sliding rail; the lower shear box slides along the long side of the default sliding rail; an upper shear box is arranged at the upper part of the lower shear box; a rigid transfer rod is arranged in the normal direction of the upper shear box; the rigid transfer rod is fixedly connected with a normal compression system; the normal compression system transfers default stress generated by the normal compression system to the normal direction of the upper shear box through the rigid transfer rod; one side of the lower shear box is connected with a tangential compression system; the other side of the lower shear box is connected with a displacement measurement system and a pull pressure measurement system. The rock-soil mass direct-shear test apparatus can quickly and accurately compress, the direct-shear test efficiency and accuracy are improved and the rock-soil mass direct-shear test apparatus is suitable for research on various rock-soil mass shear properties.

The invention provides a forced seal ball valve which comprises a valve body and a valve element ball. The valve element ball is arranged in a valve cavity of the valve body, a seal ring is arranged between the valve element ball and the valve body, the valve body is provided with a pressing ring, the pressing ring is located in the valve cavity, and one end of the pressing ring abuts against oneend of the seal ring. According to the forced seal ball valve, the specially-shaped seal ring is adopted, the seal effect of the seal ring can be enhanced through the arrangement of multiple lips, aninclined plate of a first framework tightly presses the first lip portion under the effect of the pressing ring, the seal effect of the seal ring is improved, meanwhile, the gap brought by abrasion between the seal ring and the valve element ball can be compensated for, the elastic force of a spiral spring acts on a second framework and the first framework in sequence, the inclined plate tightly presses the first lip portion, the seal effect is improved, meanwhile, the gap brought by abrasion between the seal ring and the valve element ball can be compensated for, the sealing performance between the seal ring and the valve element ball is maintained, and therefore the service life of the ball valve is prolonged.

The invention relates to a self-adjusting clutch with an induction spring. The self-adjusting clutch comprises a pressing plate, a clutch upper cover and a diaphragm spring. The pressing plate is fixedly installed on the inner side of the lower end of the clutch upper cover. A circle of diaphragm spring is arranged inside the clutch upper cover around the circle center. The lower end of the top face of the clutch upper cover provided with an annular connecting plate in a connected mode, the position, close to the outer side end, of the diaphragm spring is connected with the annular connecting plate through a plurality of lower rivets which are evenly arranged, a self-adjusting device is installed between the annular connecting plate and the clutch upper cover, an elastic piece is arranged inside the self-adjusting device, the lower end of the self-adjusting device abuts against the annular connecting plate all the time, the outer side end of the annular connecting plate is connected with the clutch upper cover through long rivets which are evenly distributed, and the long rivets are sleeved with induction springs. The self-adjusting clutch is simple in structure, a gap caused by the abrasion of a friction plate can be automatically compensated through the clutch due to the cooperated usage of the induction springs and the self-adjusting device, and the normal usage of the clutch is guaranteed.

The invention provides a sealing ball valve comprising a valve body and a valve core ball. The valve core ball is arranged in a valve cavity of the valve body; and the sealing ball valve also comprises a sealing ring and a hold-down ring, the sealing ring is arranged between the valve core ball and the valve body, and the hold-down ring is arranged in a first hole of the valve body and presses against a flange of a first framework of the sealing ring. According to the sealing ball valve, the sealing effect of the sealing ring can be enhanced by the multi-lip setting of the sealing ring, the first framework is under the action of the hold-down ring, a tilting plate compresses a first lip, the sealing effect of the sealing ring can be enhanced, and the leakproofness between the sealing ringand the valve core ball can be enhanced by the setting of a spiral spring; in addition, the gap caused by the abrasion between the sealing rig and the valve core ball can be compensated by the tiltingplate compressing the first lip and the elastic force of the spiral spring, the leakproofness between the sealing ring and the valve core ball is maintained, and then the purpose of prolonging the service life of a ball valve is achieved.

The invention relates to the technical field of concrete pumping devices, and discloses a distribution valve. The distribution valve comprises a valve body and a valve core in the valve body, wherein the valve body is provided with a discharge port, a first suction port and a second suction port; a partition board for dividing the cavity of the valve body into a left cavity and a right cavity is arranged at the outer side of the valve core; when the valve core rotates relative to the valve body to a left limit position, the left side face at an end of the partition board abuts against the inner wall at the left side of the valve body, the discharge port is communicated with the first suction port, and the left cavity is communicated with a concrete hopper; and when the valve core rotates relative to the valve body to a right limit position, the right side face at an end of the partition board abuts against the inner wall at the right side of the valve body, the discharge port is communicated with the second suction port, and the right cavity is communicated with the concrete hopper. The distribution valve can effectively compensate for the clearance resulting from abrasion, and thus the service life of the distribution valve is prolonged. The invention also discloses a pumping mechanism with the distribution valve, and a concrete pumping device with the pumping mechanism.

The invention relates to a tool head (10) for use in machine tools, comprising a main body (12) which can be rotated around an axis of rotation (28). The tool head (10) has a slide (14). The slide (14) can be moved by means of a pull rod (30) axially oriented in the main body (12). The slide (14) can be fitted with at least one tool or one tool holder. At least one adjustable toothed plate (36, 38) is fixedly arranged on the slide (14). The toothed plate (36, 38) comprises a helical gearing (42, 44) functioning as a gear means for engaging with a helical gearing (44, 48) of the pull rod (30) which is complementary thereto. According to the invention, the slide (14) has an adjustment unit (66) for moving the at least one toothed plate (36, 38) and the helical gearing (42, 44) thereof into the complementary helical gearing (44, 48) of the pull rod (30).

A rack bar supporting device is a device for supporting a rack bar of a steering apparatus of a vehicle toward a pinion shaft and includes a rack bearing and a biasing assembly. The biasing assembly includes an adjustment plug, an adjustment assembly and a support plate assembly. The adjustment assembly includes an adjustment member and a first biasing member. The support plate assembly includes a first support plate, a second support plate, a second biasing member which provides a force for pushing the first support plate along the biasing axis against the second support plate, and a connection structure which connects the first and the second support plates together so as to restrict movement of the second plate in a direction away from the rack bearing.

The invention relates to a high-capacity deceleration clutch for a full-automatic agitator washing machine. A transmission shaft is assembled in a hollow clutch sleeve and a hollow clutch shaft by an upper shaft sleeve and a lower shaft sleeve in a supporting way, and a belt pulley is arranged at the upper end of the transmission shaft; a clutch mechanism is arranged between the clutch sleeve and the clutch shaft, and the clutch mechanism is controlled by an operation mechanism; the clutch shaft, a brake wheel and a dehydration shaft are sequentially and coaxially connected, and the clutch shaft is assembled in a shell by an upper bearing in a supporting way; the brake wheel is arranged in the shell and is tightly and fixedly connected with the clutch shaft; the dehydration shaft is assembled in a cover board by a lower bearing in a supporting way and is tightly and fixedly connected with the inner hole of the brake wheel; and the shell is fixedly connected with the cover board, a braking steel belt is arranged at the periphery of the brake wheel, a washing shaft is assembled in the hollow dehydration shaft by the upper shaft sleeve and the lower shaft sleeve, and the washing shaft is connected with the transmission shaft by a washing deceleration mechanism in a transmission way. The high-capacity deceleration clutch is skillful and rational in structure, has strong impact resistance and low operation noise, is stable in transmission and has long service life.

A drive system for an entry / exit facility with at least one pivotably and / or slidably mounted door, ramp, tread or the like of a passenger transport vehicle, the system including at least one actuator or drive motor and a mechanical system driven by it and / or a gear unit for effecting the pivoting or sliding movement of the door, ramp, tread or the like, with an absolute value encoder for acquiring a momentary position during the pivoting or sliding movement, where an evaluation unit is configured to compare the momentary position with at least one reference position stored in a non-volatile memory of the evaluation unit in order to generate an output signal dependent thereon, and the absolute value encoder is flange-connected to a pin that fixes the pivoting movement of the door, ramp, tread or the like, and the gear unit includes a first reduction gear unit, a second reduction gear unit, and a controllable coupling is provided between the reduction gear units.

The invention belongs to the technical field of composite molding, and relates to the improvement for a core of a composite rib box molding mold of a helicopter rudder and a manufacturing method of the core. The core provided by the invention consists of a metal core (4) and a silicon rubber layer (11) wrapped on the side surfaces and the lower surface of the metal core (4). The manufacturing method of the core comprises the following steps: manufacturing the metal core; installing the metal core; laying a composite rib box process part of the helicopter rudder; pouring silicon rubber; and solidifying. According to the invention, the problem of the mutual interference between the core and a composite rib box blank of the helicopter rubber during the process of closing the mold is solved; a gap between the core and the composite rib box blank of the helicopter rubber can be well offset; therefore, displacement and wrinkle of a local laying layer are avoided, and the quality of the product is ensured.

The invention relates to a self-adjusting mechanism of a two leading shoe brake of an automobile, which is installed on a piston and the cylinder body of a wheel cylinder, which is connected with the piston, and the self-adjusting mechanism comprises a clearance poking strip, a ratchet wheel and a back-moving spring; the clearance poking strip is installed on the piston by a positioning bolt, and the clearance poking strip is in clamping connection with the ratchet wheel; the other end of the clearance poking strip is connected with the back-moving spring which is connected at a clearance supporting plate, and the clearance supporting plate is fixed on the piston; the ratchet wheel is fixed on an adjusting bush which is installed in the cylinder body of the wheel cylinder. After related parts are replaced and installed on an original brake wheel cylinder, high oil pressure in the wheel cylinder pushes the piston to move outwards when the brake wheel cylinder is supplied with oil by a master pump, and the piston can drive the clearance supporting plate to move outwards at the same time; meanwhile, outward force is exerted on the back-moving spring, thereby pulling the clearance poking strip, and the clearance poking strip uses the positioning bolt as a fulcrum to poke the ratchet wheel so that the ratchet wheel rotates together with the adjusting bush; an adjusting screw is adjusted outwards by a screw thread, thereby achieving the effect of compensating the clearance between a brake shoe and a brake drum.

The invention discloses a detachable design structure of large-area laminated glass of an elevator, and belongs to the technical field of building decoration. The detachable design structure comprisesa fixed frame, a glass plate body, a transition clamping strip and a sealing rubber strip, the fixed frame is of a rectangular frame body structure, avoiding grooves are formed in the opposite outerwalls of the fixed frame, and an edge sealing veneer is connected in each avoiding groove in an inserted mode. A fixed step is arranged on the inner wall of the fixed frame, and the glass plate body is clamped in the fixed frame. The glass plate body can be taken out by scraping away the sealing rubber strip, taking down the transition clamping strip limiting sliding of flat pressing pieces and pushing the flat pressing pieces into sliding grooves, replacement of the glass plate body can be completed without disassembling the fixed frame, the disassembling operation process is simple and convenient, and the replacement efficiency is high. By inflating a damping gas bag, the gap between the glass plate body and the fixed frame is compensated, the damping gas bag can automatically adapt to the size of the gap, the damping strength is controllable, use is flexible and convenient, and the structural stability is high.

The invention relates to a centrifugal barrel rotation coaxiality detection mechanism, which comprises a positioning frame, wherein the top of the positioning frame is connected with a rotating sleevethrough a rotary support mechanism; the rotary supporting mechanism comprises a supporting inner ring coaxially and fixedly connected to the outer wall of a rotary sleeve, a plurality of annular inlaying grooves are formed in the supporting inner ring in a linear array mode, two sets of limiting rings are arranged at the top of the positioning frame, the supporting inner ring is located between the limiting rings, and a plurality of supporting pieces are further arranged at the positions, corresponding to the positions between the limiting rings, of the inner wall of the positioning frame ina linear array mode and embedded into the inlaying grooves; a clamping mechanism, which comprises a plurality of pressing rods which are arranged on the inner wall of the rotary sleeve in an annular array manner; a deflection detecting mechanism, which comprises a floating ring rotationally connected to the outer wall of the rotary sleeve, wherein an indicating mechanism comprises a sliding sleeveperpendicularly connected to the side wall of the positioning frame, a push rod is slidably connected into the sliding sleeve, a relaxation spring is arranged at the tail end of the sliding sleeve, and a displacement sensor is further connected between the tail end of the sliding sleeve and the push rod.

A coupling device is provided for a sensor unit having at least one sensor located within a housing. The coupling device includes at least one supporting portion, wherein the supporting portion is configured for maintaining the sensor unit in a stable position, with the coupling device either resting on or being buried into the ground, and at least one rod, arranged in a plane which is essentially perpendicular to a peripheral surface of the supporting portion and linked to the supporting portion. The coupling device further includes a fastener for connecting the sensor unit to the coupling device. The supporting portion maintains the sensor unit in a stable position when resting on the ground, while the rod provides an additional stiffness to the housing.

A cooling system for a dynamoelectric machine comprising a cooling jacket for assembly on an outer circumference of a stator of the dynamoelectric machine, a housing for receiving the stator having the mounted cooling jacket such that a hollow chamber, which can be filled with a liquid cooling medium, remains between an outer wall of the cooling jacket and an inner wall of the housing, wherein an inlet opening for inlet of the cooling medium into an inlet region and an outlet opening for outlet of the cooling medium from an outlet region of the hollow chamber are arranged on the housing and a barrier element connected to the cooling jacket for spatial separation of the inlet region from the outlet region is provided. The efficiency of such a cooling system is improved in that the barrier element presses against the inner wall of the housing having increasing pressure difference of the cooling medium in the inlet and outlet region.

The invention provides a transmission structure of a graduated disk and the structure comprises a screw rod, it is connected with the power supply, and the axial of the screw rod is provided with first screw thread portion and second screw thread portion, and wherein, the helix of first screw thread portion staggers with the helix of second screw thread portion each other; and a main mandrel, which connects the graduation carousel, and a plurality of bearings are established to main mandrel spacer ring, and each bearing meshes with first screw portion and second screw portion respectively, wherein the orientation of first screw portion each bearing of meshing and the opposite direction of second screw portion each bearing of meshing, consequently, do not have the back clearance problem between screw rod and the main mandrel, and then put forward high pressure heater worker precision.

A coupling device is provided for a sensor unit having at least one sensor located within a housing. The coupling device includes at least one supporting portion, wherein the supporting portion is configured for maintaining the sensor unit in a stable position, with the coupling device either resting on or being buried into the ground, and at least one rod, arranged in a plane which is essentially perpendicular to a peripheral surface of the supporting portion and linked to the supporting portion. The coupling device further includes a fastener for connecting the sensor unit to the coupling device. The supporting portion maintains the sensor unit in a stable position when resting on the ground, while the rod provides an additional stiffness to the housing.