A life test device for friction sleeve of reducer

Abstract

The invention relates to the technical field of friction sleeve testing, and discloses a life test device for a friction sleeve for a reducer, comprising an operating platform, a clamping seat for clamping the friction sleeve is installed on the upper side of the operating platform, a friction block for rubbing the edge of the friction sleeve is installed inside the clamping seat, a support frame is installed on the upper side of the operating platform, a pushing cylinder for driving the clamping seat is installed on the side of the support frame, a rotating motor is installed on the upper side of the operating platform, an umbrella gear for engaging with the inner teeth of the friction sleeve is installed on the upper side of the operating platform, the rotating motor is used to drive the umbrella gear to rotate, the clamping seat comprises a first clamping block and a second clamping block, and can continue to rub the friction sleeve even when its diameter is reduced. Moreover, during the friction of the friction sleeve, due to the enlargement of the gap between the friction sleeve and the clamping seat, the displacement of the friction sleeve during the rotation process is reduced as much as possible, thereby affecting the detection efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of friction sleeve testing, in particular to a life testing device for a friction sleeve used in a reducer. Background Art

[0002] The friction sleeve used in the reducer generally refers to the friction plate, which is a component used to transmit force and adjust the speed in a mechanical device. The friction sleeve is usually made of friction materials, and common materials include metal, rubber, polymer, etc., to achieve a certain degree of shock absorption and deceleration while transmitting force. Therefore, the friction sleeve used in the reducer can generally be called a friction plate.

[0003] In a reducer, the role of friction plates is mainly to adjust the speed or torque by adjusting the friction force. When the friction plates are applied to the rotating parts in the reducer, they can increase or decrease the friction force, thereby adjusting the speed or output torque of the transmission system. This mechanism enables the reducer to achieve precise speed regulation and torque transmission under different working conditions, thereby meeting the needs of the mechanical system.

[0004] At present, when the life of the friction sleeve is tested, the friction sleeve is usually tested for friction, so the diameter of the friction sleeve will be shortened. During the continuous friction of the friction sleeve, the distance between the clamping device and the friction sleeve will become shorter, causing the friction sleeve to fall off during the friction process, affecting the life detection of the friction sleeve; therefore, it does not meet the existing needs, and we have proposed a life test equipment for the friction sleeve of the reducer. Summary of the invention

[0005] The present invention provides a life test device for a friction sleeve for a reducer, wherein the diameter of the friction sleeve is shortened during the friction detection process, thereby reducing the displacement of the friction sleeve during the friction detection process. The present invention solves the problem mentioned in the above background technology that when the life detection of the friction sleeve is performed, the friction sleeve is usually subjected to friction detection, so the diameter of the friction sleeve is shortened. During the process of continuing to rub the friction sleeve, the distance between the clamping device and the friction sleeve becomes shorter, resulting in the friction sleeve falling off during the friction process, thereby affecting the life detection of the friction sleeve.

[0006] The present invention provides the following technical solution: it includes an operating platform, a clamping seat for clamping a friction sleeve is installed on the upper side of the operating platform, a friction block for rubbing the edge of the friction sleeve is installed inside the clamping seat, a support frame is installed on the upper side of the operating platform, a pushing cylinder for driving the clamping seat is installed on the side of the support frame, a rotating motor is installed on the upper side of the operating platform, a parasol-shaped gear for engaging with the inner teeth of the friction sleeve is installed on the upper side of the operating platform, the output end of the rotating motor is matched with the parasol-shaped gear, and the clamping seat includes a first clamping block and a second clamping block.

[0007] As an optional solution for the life test equipment of a friction sleeve for a reducer described in the present invention, the friction sleeve is clamped between the first clamping block and the second clamping block, the upper side of the operating platform is provided with a first slide groove and a second slide groove, the bottom sides of the first clamping block and the second clamping block are respectively installed with sliding seats, the sliding seats are respectively slidably matched with the second slide groove and the first slide groove, a driving groove is provided inside the operating platform, and a transmission component for controlling the mutual movement of the first clamping block and the second clamping block is installed inside the driving groove.

[0008] As an optional solution for the life test equipment of a friction sleeve for a reducer described in the present invention, the transmission assembly includes a rotating gear rotatably installed inside the driving groove, a first rack installed on one side of the sliding seat, and a second rack installed on the other side of the sliding seat, and the first rack and the second rack are respectively engaged with two sides of the rotating gear.

[0009] As an optional solution for the life test equipment of a friction sleeve for a reducer described in the present invention, an air storage chamber is opened inside the first clamping block, a clamping grinding block is movably installed at the outlet of the air storage chamber, a first piston block is installed at the end of the clamping grinding block, the first piston block is inserted and slidably matched with the air storage chamber, and a pushing spring is installed between the first piston block and the air storage chamber, a plurality of the clamping grinding blocks are provided, and a plurality of the clamping grinding blocks are in contact with the edge of the friction sleeve.

[0010] As an optional solution for the life test equipment of a friction sleeve for a reducer described in the present invention, wherein: a guide channel for guiding the flow of gas is symmetrically opened on the side of the air storage chamber, and both ends of the guide channel are connected to both ends of the air storage chamber; an observation groove for observing the wear state of the edge of the friction sleeve is opened on the surface of the first clamping block; an observation column is installed on the upper side of the clamping grinding block, and the observation column is slidably matched with the observation groove. When the observation column slides from one end of the observation groove to the other end, it is determined that the friction sleeve has failed the inspection.

[0011] As an optional solution for the life test equipment of a friction sleeve for a reducer described in the present invention, wherein: a pushing plate for pushing the friction sleeve is installed on the surface of the first clamping block, a track groove is opened inside the first clamping block, and a moving seat is slidably matched inside the track groove.

[0012] As an optional solution for the life test equipment of a friction sleeve for a reducer described in the present invention, the movable seat is connected to the push plate, a steel rope is installed on the side of the movable seat, the steel rope is connected to the side of the sliding seat, and a return spring is installed between the movable seat and the track groove.

[0013] As an optional solution for the life test equipment of a friction sleeve for a reducer described in the present invention, a piston cylinder is installed on the bottom side of the support frame, a first piston rod is inserted and slidably fitted inside the piston cylinder, a pressure spring is installed inside the first piston rod and the piston cylinder, a connecting cylinder is symmetrically installed on the bottom side of the piston cylinder, the connecting cylinder is communicated with the piston cylinder, and a suction cup for adsorbing the friction sleeve is installed on the bottom side of the connecting cylinder.

[0014] As an optional solution for the life test equipment of a friction sleeve for a reducer described in the present invention, the first piston rod is movably inserted into the support frame, a through slot is provided on the surface of the support frame, a traction rope is movably inserted inside the through slot, one end of the traction rope is connected to the end of the first piston rod, and the other end of the traction rope is connected to the first clamping block.

[0015] As an optional solution for the life test equipment of a friction sleeve for a reducer described in the present invention, wherein: an L-shaped groove is opened on one side of the first slide groove, a connecting groove is opened on the other side of the first slide groove, an inclined groove is opened on the surface of the sliding seat, an L-shaped rod is slidably installed inside the inclined groove, one end of the L-shaped rod is slidably matched with the inclined groove, and the other end of the L-shaped rod is slidably matched with the connecting groove, when the bottom end of the inclined groove overlaps with the end of the L-shaped groove, the L-shaped rod descends, and one end of the L-shaped rod contacts the connecting groove.

[0016] The present invention has the following beneficial effects:

[0017] 1. The life test equipment of the friction sleeve for the reducer, when the friction sleeve is engaged with the surface of the bevel gear, and at the same time, the cooperation between the friction sleeve and the clamping seat is utilized, while the rotating motor drives the bevel gear, the bevel gear drives the friction sleeve to rotate, and the side of the friction sleeve is in rotational contact with the friction block, thereby realizing automatic friction of the friction sleeve, reducing the need for manual operation, and improving production efficiency; since the diameter of the friction sleeve is shortened during the friction process, through the cooperation of the pushing cylinder, the transmission assembly, the first slide groove and the second slide groove, the edge of the friction sleeve can be clamped by controlling the movement of the first clamping block and the second clamping block through the pushing cylinder, even when the diameter of the friction sleeve is reduced, it can still be continuously rubbed, and not only that, during the friction process of the friction sleeve, due to the widening of the gap between the friction sleeve and the clamping seat, the displacement of the friction sleeve during the rotation process is minimized to affect the detection efficiency.

[0018] 2. The life test equipment of the friction sleeve for the reducer, when the diameter of the friction sleeve decreases during the friction process, the clamping grinding block is moved forward and contacts with the edge of the friction sleeve through the cooperation of the clamping grinding block and the pushing spring, so that when the diameter of the friction sleeve is reduced, the clamping grinding block can replace the friction block to continue to rub the friction sleeve, ensuring the continuity and integrity of the detection; not only that, in the process of the movement of the clamping grinding block, the friction sleeve detection results can be distinguished by cooperating with the observation slot and the observation column. Within a certain time range, when the friction sleeve is severely worn, the gap between the friction sleeve and the clamping seat is large, and the clamping grinding block moves toward the center of the friction sleeve through the force of the pushing spring. When the observation column exceeds the scale line on the surface of the observation slot during the movement, the friction sleeve is judged to be unqualified; on the contrary, within a certain time range, the observation column does not cross the scale line on the surface of the observation slot, which means that the friction sleeve is less worn, and the friction sleeve is judged to be qualified;

[0019] In this way, the clamping grinding block can not only distinguish the detection results of the friction sleeve during the movement, but also continue to rub the friction sleeve when its diameter becomes smaller, thereby ensuring the continuity and integrity of the processing and reducing the possibility of displacement of the friction sleeve due to the reduction in diameter.

[0020] The life test equipment of the friction sleeve for the reducer, in the process of the two sliding seats moving in opposite directions, when the moving seat moves to the middle section of the track groove, the pushing plate actively pushes the friction sleeve upwards to brake and accelerate the stationary state of the friction sleeve, so as to avoid the friction sleeve affecting the suction cup's adsorption of the friction sleeve due to the rotation of the friction sleeve, thereby affecting the unloading of the friction sleeve; moreover, in the state that the sliding seat continues to move, when the moving seat moves to the end of the track groove, the pushing plate pushes the friction sleeve to be located at the bottom side of the suction cup, thereby facilitating the suction cup's adsorption of the friction sleeve and improving the unloading speed; in the state that the sliding seat moves, the traction rope can also be used to guide the first piston rod, so that the first piston rod slides upward inside the piston cylinder, and the piston cylinder thus generates suction and uses the suction cup to adsorb the friction sleeve, reducing the possibility that the high surface temperature of the friction sleeve may easily burn the operator, realizing the automatic removal of the friction sleeve, reducing the manual operation of unloading, and when the friction sleeve cools down, the first clamping block uses the pushing cylinder to move back, and the first piston rod descends inside the piston cylinder, so that the suction cup loses the adsorption of the friction sleeve;

[0021] During the process of the two sliding seats moving in opposite directions, not only can the push plate be used to actively push the friction sleeve upward for braking and accelerating the stationary state of the friction sleeve, but the push plate can also push the friction sleeve to be located at the bottom side of the suction cup, so as to facilitate the suction of the friction sleeve by the suction cup and improve the unloading speed; at the same time, the first piston rod can also slide upward inside the piston cylinder, so that the piston cylinder generates suction and uses the suction cup to adsorb the friction sleeve, so as to realize automatic unloading of the friction sleeve, thereby reducing manual participation and reducing the possibility of scalding the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the structure in which the first clamping block and the second clamping block of the present invention are separated.

[0024] Figure 3 It is a schematic diagram of the matching structure of the transmission assembly of the present invention.

[0025] Figure 4 It is a schematic diagram of the cross-sectional structure of the present invention.

[0026] Figure 5 It is a schematic diagram of the cross-sectional structure of the first clamping block of the present invention.

[0027] Figure 6 It is a schematic diagram of the enlarged structure of point A of the present invention.

[0028] Figure 7 It is a schematic diagram of the enlarged structure of point B of the present invention.

[0029] Figure 8 It is a schematic diagram of the three-dimensional structure of the piston cylinder of the present invention.

[0030] Fig. 9 This is a schematic diagram of the structure of B in different tenses that is enlarged.

[0031] Fig.10 It is a schematic diagram of the three-dimensional structure of the sliding seat and the first sliding groove of the present invention.

[0032] Fig.11 It is a schematic diagram of the structure of the sliding seat and the first sliding groove during sliding of the present invention.

[0033] Fig.12 It is a schematic diagram of the side cross-sectional structure of the sliding seat and the first sliding groove of the present invention.

[0034] In the figure: 110, operating platform; 111, support frame; 112, push cylinder; 120, clamping seat; 121, first clamping block; 122, second clamping block; 130, friction block; 140, rotating motor; 150, first slide groove; 151, second slide groove; 160, transmission assembly; 161, rotating gear; 162, first rack; 163, second rack; 170, air storage chamber; 171, clamping grinding block; 172, first piston block; 173, push spring; 174, guide Road; 180, observation slot; 181, observation column; 190, umbrella gear; 210, piston cylinder; 211, first piston rod; 212, pressure spring; 213, connecting cylinder; 214, suction cup; 220, through slot; 221, traction rope; 230, push plate; 240, driving slot; 260, L-shaped slot; 261, L-shaped rod; 262, connecting slot; 263, inclined slot; 270, sliding seat; 280, track slot; 281, moving seat; 284, steel rope; 285, reset spring. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Embodiment 1: This embodiment is intended to promote the solution of the problem that when the friction sleeve is tested for life, the friction sleeve is usually tested for friction, so the diameter of the friction sleeve is worn short. During the continuous friction of the friction sleeve, the distance between the clamping device and the friction sleeve becomes shorter, causing the friction sleeve to fall off during the friction process, affecting the life test of the friction sleeve. Please refer to Figure 1-Figure 12A life test device for a friction sleeve for a reducer includes an operating platform 110, a clamping seat 120 for clamping the friction sleeve is installed on the upper side of the operating platform 110, a friction block 130 for rubbing the edge of the friction sleeve is installed inside the clamping seat 120, a support frame 111 is installed on the upper side of the operating platform 110, a pushing cylinder 112 for driving the clamping seat 120 is installed on the side of the support frame 111, a rotating motor 140 is installed on the upper side of the operating platform 110, a parachute gear 190 for engaging with the inner teeth of the friction sleeve is installed on the upper side of the operating platform 110, the output end of the rotating motor 140 is in transmission cooperation with the parachute gear 190, and the clamping seat 120 includes a first clamping block 121 and a second clamping block 122.

[0037] See Figure 1 , Figure 2 and Figure 3 In the specific implementation, the friction sleeve is placed between the first clamping block 121 and the second clamping block 122, and the friction sleeve is driven to rotate by the cooperation of the rotating motor 140 and the umbrella gear 190. During the rotation of the friction sleeve, the edge of the friction sleeve and the friction block 130 are frictionally detected.

[0038] See Figure 1 , Figure 2 and Figure 3 In specific implementation, the friction sleeve is engaged between the first clamping block 121 and the second clamping block 122, and the first slide groove 150 and the second slide groove 151 are provided on the upper side of the operating platform 110. The first clamping block 121 and the second clamping block 122 are respectively installed with sliding seats 270 on their bottom sides. The sliding seats 270 are respectively slidably matched with the second slide groove 151 and the first slide groove 150. The first clamping block 121 is pushed by the cooperation of the pushing cylinder 112, so that the distance between the first clamping block 121 and the second clamping block 122 is shortened to clamp the friction sleeve. The distance between the first clamping block 121 and the second clamping block 122 is enlarged by the extension and contraction of the telescopic end of the pushing cylinder 112, so as to facilitate the placement and removal of the friction sleeve. A driving groove 240 is provided inside the operating platform 110, and a transmission assembly 160 for controlling the mutual movement of the first clamping block 121 and the second clamping block 122 is installed inside the driving groove 240.

[0039] See Figure 3 The transmission assembly 160 includes a rotating gear 161 rotatably installed inside the driving groove 240, a first rack 162 installed on the side of one sliding seat 270, and a second rack 163 installed on the side of the other sliding seat 270. The first rack 162 and the second rack 163 are respectively engaged with the two sides of the rotating gear 161.

[0040] During specific implementation, since the first rack 162 is meshed with the rotating gear 161, in the process of pushing the telescopic end of the cylinder 112 to extend and retract, the first clamping block 121 moves the second rack 163 through the cooperation of the rotating gear 161, and when the telescopic end of the cylinder 112 is pushed out, the first clamping block 121 and the second clamping block 122 approach each other by utilizing the cooperation of the transmission assembly 160, so that when the first clamping block 121 and the second clamping block 122 approach, they play a role in clamping the friction sleeve, and avoid as much as possible the problem that during the friction of the friction sleeve, the gap between the friction sleeve and the clamping seat 120 is enlarged, causing the friction sleeve to fall off during the rotation process, thereby affecting the detection of the friction sleeve; in the process of pushing the telescopic end of the cylinder 112 to retract, the distance between the first clamping block 121 and the second clamping block 122 is lengthened, so as to facilitate the loading and unloading of the friction sleeve.

[0041] In this embodiment: when the friction sleeve is engaged with the surface of the umbrella gear 190, and the friction sleeve cooperates with the clamping seat 120, while the rotating motor 140 drives the umbrella gear 190, the umbrella gear 190 drives the friction sleeve to rotate, and the side of the friction sleeve is in rotational contact with the friction block, thereby realizing automatic friction of the friction sleeve, reducing the need for manual operation, and improving production efficiency; since the diameter of the friction sleeve is shortened during the friction process, the first clamping block 121 and the second clamping block 122 can be controlled by the pushing cylinder 112 through the cooperation of the transmission assembly 160, the first slide groove 150 and the second slide groove 151 to clamp the edge of the friction sleeve, and even when the diameter of the friction sleeve is reduced, it can still be continuously rubbed. Moreover, during the friction process of the friction sleeve, due to the enlargement of the gap between the friction sleeve and the clamping seat 120, the displacement of the friction sleeve during the rotation process is minimized to affect the detection efficiency.

[0042] Embodiment 2: This embodiment is intended to promote the solution of the problem that during the friction process of the friction sleeve, the friction sleeve is constantly subjected to friction, causing the edge of the friction sleeve to wear, thereby shortening the diameter of the friction sleeve, and the friction block inside the clamping seat loses contact with the edge of the friction sleeve. At the same time, it may also cause the friction sleeve to be displaced between the clamping seats due to the shortened diameter, affecting the friction sleeve detection. This embodiment is an improvement made on the basis of Embodiment 1. For details, please refer to Figure 1-Figure 12In specific implementation, an air storage chamber 170 is provided inside the first clamping block 121, and the gas inside the air storage chamber 170 is set to nitrogen. A clamping grinding block 171 is movably installed at the outlet of the air storage chamber 170, and a first piston block 172 is installed at the end of the clamping grinding block 171. The first piston block 172 is inserted and slidably matched with the air storage chamber 170, so that the inside of the air storage chamber 170 is divided into a front chamber and a rear chamber by the first piston block 172, and a pushing spring 173 is installed between the first piston block 172 and the air storage chamber 170. A plurality of clamping grinding blocks 171 are provided, and the plurality of clamping grinding blocks 171 are in contact with the edge of the friction sleeve. When the edge of the friction sleeve is worn, the diameter of the friction sleeve becomes shorter. At this time, the clamping grinding block 171 is pushed by the spring 173 to move forward and continue to contact the edge of the friction sleeve.

[0043] See Figure 4 , Figure 5 , Figure 6 and Fig. 9 In a specific implementation, a guide channel 174 for guiding the flow of gas is symmetrically opened on the side of the air storage chamber 170, and the two ends of the guide channel 174 are connected to the two ends of the air storage chamber 170. When the clamping grinding block 171 moves forward, the first piston block 172 pushes the front chamber gas through the guide channel 174 to reach the rear chamber, so that the rear chamber gas is sufficient. Due to the sufficient rear chamber gas, it can support the clamping grinding block 171 and reduce the shaking of the clamping grinding block 171 caused by the contact between the edge of the friction sleeve and the clamping grinding block 171.

[0044] See Figure 4 , Figure 6 and Fig. 9 In a specific implementation, an observation groove 180 for observing the wear state of the edge of the friction sleeve is provided on the surface of the first clamping block 121, and scale lines for observing whether the friction sleeve is qualified or not are provided on the surface of the observation groove 180. An observation column 181 is installed on the upper side of the clamping grinding block 171, and the observation column 181 slides with the observation groove 180. Within a certain time range, when the observation column 181 slides from one end of the observation groove 180 to the other end and exceeds the scale line, it means that the edge of the friction sleeve is severely worn, and the friction sleeve is judged to be unqualified; within a certain time range, the observation column 181 does not cross the scale line on the surface of the observation groove 180, which means that the friction sleeve is less worn, and the friction sleeve is judged to be qualified.

[0045] See Fig.10 , Fig.11 and Fig.12 An L-shaped groove 260 is provided on one side of the first slide groove 150, and a connecting groove 262 is provided on the other side of the first slide groove 150. An inclined groove 263 is provided on the surface of the sliding seat 270, and an L-shaped rod 261 is slidably installed inside the inclined groove 263. One end of the L-shaped rod 261 slides in cooperation with the inclined groove 263, and the other end of the L-shaped rod 261 slides in cooperation with the connecting groove 262.

[0046] See Fig.10 , Fig.11 and Fig.12 In a specific implementation, when the sliding seat 270 slides, when the bottom end of the inclined groove 263 overlaps with the end of the L-shaped groove 260, the L-shaped rod 261 descends, and one end of the L-shaped rod 261 contacts the connecting groove 262. Therefore, when the sliding seat 270 stops moving, one end of the L-shaped rod 261 is engaged with the end of the connecting groove 262 to avoid the first clamping block and the second clamping block from shaking due to the force, which causes their own displacement.

[0047] In this embodiment: when the diameter of the friction sleeve decreases during the friction process, the clamping grinding block 171 and the pushing spring 173 cooperate to make the clamping grinding block 171 move forward and contact with the edge of the friction sleeve, so that the diameter of the friction sleeve is reduced. The clamping grinding block 171 can replace the friction block 130 to continue to rub the friction sleeve, ensuring the continuity and integrity of the detection; not only that, in the process of the movement of the clamping grinding block 171, the observation groove 180 and the observation column 181 can be used to distinguish the detection results of the friction sleeve. Within a certain time range, when the friction sleeve is severely worn, the gap between the friction sleeve and the clamping seat 120 is large, and the clamping grinding block 171 moves toward the center of the friction sleeve through the force of the pushing spring 173. When the observation column 181 exceeds the scale line on the surface of the observation groove 180 during the movement, it is determined that the friction sleeve is unqualified; on the contrary, within a certain time range, the observation column 181 does not cross the scale line on the surface of the observation groove 180, which means that the friction sleeve is less worn, and the friction sleeve is determined to be qualified;

[0048] In this way, the clamping grinding block 171 can not only distinguish the detection results of the friction sleeve during the movement, but also can continue to rub the friction sleeve when the diameter of the friction sleeve becomes smaller, ensuring the continuity and integrity of the processing and reducing the possibility of displacement of the friction sleeve due to the reduction in diameter.

[0049] Embodiment 3: This embodiment is intended to solve the problem that the friction sleeve surface becomes hot due to the continuous rotation between the friction sleeve and the friction block during the friction sleeve detection process, and the operator is easily burned when taking the friction sleeve after the detection. This embodiment is an improvement made on the basis of embodiment 2. For details, please refer to Figure 1-Figure 12 A pushing plate 230 for pushing the friction sleeve is installed on the surface of the first clamping block 121. The pushing plate 230 is set as an inclined surface. A track groove 280 is opened inside the first clamping block 121. A moving seat 281 is slidably matched inside the track groove 280; the moving seat 281 is connected to the pushing plate 230, and a steel rope 284 is installed on the side of the moving seat 281. The steel rope 284 is connected to the side of the sliding seat 270, and a return spring 285 is installed between the moving seat 281 and the track groove 280.

[0050] See Figure 1 , Figure 4 , Figure 7 and Fig. 9 In specific implementation, when the two sliding seats 270 move in opposite directions, the steel rope 284 is used to pull the moving seat 281, so that the moving seat 281 moves according to the trajectory of the track groove 280. When the moving seat 281 moves to the middle section of the track groove 280, the moving seat 281 moves upward using the track groove 280, so that the pushing plate 230 actively pushes the friction sleeve upward for braking. The friction sleeve contacts the upper wall of the first clamping block 121 and stops rotating in a short time due to friction resistance. After the rotating motor 140 stops driving, the active braking is used to achieve the stationary state of the friction sleeve, thereby completing the unloading faster.

[0051] As the sliding seat 270 continues to move in the opposite direction, when the moving seat 281 moves to the end of the track groove 280, the distance between the first clamping block 121 and the second clamping block 122 is enlarged, so that the upper walls of the first clamping block 121 and the second clamping block 122 lose their resistance to the push plate 230. At the same time, when the moving seat 281 moves to the end of the track groove 280, the push plate 230 moves up to lift the friction sleeve.

[0052] See Figure 1 , Figure 4 , Figure 7 and Fig. 9 A piston cylinder 210 is installed on the bottom side of the support frame 111, and a first piston rod 211 is inserted and slidably fitted inside the piston cylinder 210. The first piston rod 211 movably penetrates the support frame 111. A through slot 220 is provided on the surface of the support frame 111, and a traction rope 221 movably penetrates the through slot 220. One end of the traction rope 221 is connected to the end of the first piston rod 211, and the other end of the traction rope 221 is connected to the first clamping block 121. A pressure spring 212 is installed on the upper side of the first piston rod 211. When the traction rope 221 does not pull the first piston rod 211, the first piston rod 211 descends inside the piston cylinder 210 using the action of the pressure spring 212.

[0053] See Figure 1 , Figure 4 and Figure 7 and Fig. 9, a connecting cylinder 213 is symmetrically installed on the bottom side of the piston cylinder 210, so that the connecting cylinder 213 is located on both sides of the surface of the friction sleeve, the connecting cylinder 213 is communicated with the piston cylinder 210, and a suction cup 214 for adsorbing the friction sleeve is installed on the bottom side of the connecting cylinder 213, which further improves the stability of the suction cup 214 adsorbing the friction sleeve. At the same time, when the moving seat 281 moves to the end of the track groove 280, the pushing plate 230 moves up to lift the friction sleeve, and the friction sleeve is located on the bottom side of the suction cup 214. During the closing process of the first clamping block 121 and the second clamping block 122, the steel rope 284 loses the guidance of the moving seat 281. At the same time, the moving seat 281 is reset by the reset spring, and during the reset process of the moving seat 281 along the track groove 280, the pushing plate 230 descends so that the pushing plate 230 smoothly returns to the inside of the first clamping block 121.

[0054] It should be noted that the first clamping block 121 and the second clamping block 122 are configured with the same specifications.

[0055] See Figure 1 , Figure 4 and Figure 7 and Fig. 9 In specific implementation, after the friction sleeve is inspected, the sliding seat 270 cooperates with the steel rope 284, so that the moving seat 281 slides in the track groove 280, and the pushing plate 230 actively pushes the friction sleeve upward to brake and accelerate the friction sleeve to achieve the stationary state, so that the suction cup 214 can absorb the friction sleeve. When the moving seat 281 slides to the end of the track groove 280, the friction sleeve moved up and pushed by the pushing plate 230 is located at the bottom side of the suction cup 214. During the movement of the first clamping block 121, the first clamping block 121 uses the traction rope 221 to pull the first piston rod 211, so that the first piston rod 211 slides upward inside the piston cylinder 210, so that the piston cylinder 210 generates suction, and the piston cylinder 210 uses the suction cup 214 installed on the bottom side to absorb the friction sleeve, thereby reducing manual unloading as much as possible, realizing automatic unloading, and avoiding manual burns during unloading as much as possible.

[0056] In this embodiment: during the movement of the two sliding seats 270 in opposite directions, when the moving seat 281 moves to the middle section of the track groove 280, the pushing plate 230 actively pushes the friction sleeve upwards to brake and accelerate the friction sleeve to achieve stillness, thereby preventing the friction sleeve from affecting the suction cup 214 from adsorbing the friction sleeve due to rotation, thereby affecting the unloading of the friction sleeve; moreover, when the sliding seat 270 continues to move, when the moving seat 281 moves to the end of the track groove 280, the pushing plate 230 pushes the friction sleeve to be located at the bottom side of the suction cup 214, thereby facilitating the adsorption of the friction sleeve by the suction cup 214 and increasing the unloading speed; In the moving state of 70, the traction rope 221 can also be used to guide the first piston rod 211, so that the first piston rod 211 slides upward inside the piston cylinder 210, and the piston cylinder 210 generates suction and uses the suction cup 214 to adsorb the friction sleeve, thereby reducing the possibility of the operator being easily scalded by the high surface temperature of the friction sleeve, realizing the automatic removal of the friction sleeve and reducing the manual operation of unloading. When the friction sleeve is cooled, the first clamping block 121 uses the pushing cylinder 112 to move back, and the first piston rod 211 descends inside the piston cylinder 210, so that the suction cup 214 loses adsorption on the friction sleeve;

[0057] During the process of the two sliding seats 270 moving in opposite directions, not only can the push plate 230 be used to actively push the friction sleeve upward for braking and accelerating the stationary state of the friction sleeve, but the push plate 230 can also push the friction sleeve to be located at the bottom side of the suction cup 214, which is convenient for the suction cup 214 to adsorb the friction sleeve and improve the unloading speed; at the same time, the first piston rod 211 can also slide upward inside the piston cylinder 210, so that the piston cylinder 210 generates suction and uses the suction cup 214 to adsorb the friction sleeve, realizing automatic unloading of the friction sleeve, thereby reducing manual participation and reducing the possibility of scalding the operator.

[0058] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0059] The above are only preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A life test device for a friction sleeve for a reducer, comprising an operating platform (110), characterized in that: A clamping seat (120) for clamping a friction sleeve is mounted on the upper side of the operating platform (110), a friction block (130) for rubbing the edge of the friction sleeve is mounted inside the clamping seat (120), a support frame (111) is mounted on the upper side of the operating platform (110), a pushing cylinder (112) for driving the clamping seat (120) is mounted on the side of the support frame (111), a rotating motor (140) is mounted on the upper side of the operating platform (110), a parasol-shaped gear (190) for engaging with the inner teeth of the friction sleeve is mounted on the upper side of the operating platform (110), an output end of the rotating motor (140) is in transmission cooperation with the parasol-shaped gear (190), and the clamping seat (120) comprises a first clamping block (121) and a second clamping block (122); The friction sleeve is engaged between the first clamping block (121) and the second clamping block (122); a first slide groove (150) and a second slide groove (151) are provided on the upper side of the operating platform (110); sliding seats (270) are respectively installed on the bottom sides of the first clamping block (121) and the second clamping block (122); the sliding seats (270) are respectively slidably matched with the second slide groove (151) and the first slide groove (150); a driving groove (240) is provided inside the operating platform (110); a transmission component (160) for controlling the mutual movement of the first clamping block (121) and the second clamping block (122) is installed inside the driving groove (240); The transmission assembly (160) comprises a rotating gear (161) rotatably mounted inside the driving groove (240), a first rack (162) mounted on a side of one of the sliding seats (270), and a second rack (163) mounted on a side of another of the sliding seats (270), wherein the first rack (162) and the second rack (163) are respectively meshed with two sides of the rotating gear (161); An air storage chamber (170) is provided inside the first clamping block (121), a clamping grinding block (171) is movably installed at the outlet of the air storage chamber (170), a first piston block (172) is installed at the end of the clamping grinding block (171), the first piston block (172) is inserted and slidably matched with the air storage chamber (170), and a push spring (173) is installed between the first piston block (172) and the air storage chamber (170), a plurality of the clamping grinding blocks (171) are provided, and a plurality of the clamping grinding blocks (171) are in contact with the edge of the friction sleeve; A guide channel (174) for guiding the flow of gas is symmetrically provided on the side of the gas storage chamber (170), and two ends of the guide channel (174) are connected to two ends of the gas storage chamber (170). An observation groove (180) for observing the wear state of the edge of the friction sleeve is provided on the surface of the first clamping block (121). An observation column (181) is installed on the upper side of the clamping grinding block (171), and the observation column (181) is slidably matched with the observation groove (180). When the observation column (181) slides from one end of the observation groove (180) to the other end, it is determined that the friction sleeve is unqualified.

2. The life test equipment for the friction sleeve of the reducer according to claim 1 is characterized in that: A pushing plate (230) for pushing the friction sleeve is mounted on the surface of the first clamping block (121), a track groove (280) is provided inside the first clamping block (121), and a moving seat (281) is slidably fitted inside the track groove (280).

3. The life test equipment for the friction sleeve of the reducer according to claim 2 is characterized in that: The movable seat (281) is connected to the push plate (230), a steel rope (284) is installed on the side of the movable seat (281), the steel rope (284) is connected to the side of the sliding seat (270), and a return spring (285) is installed between the movable seat (281) and the track groove (280).

4. The life test equipment for the friction sleeve of the reducer according to claim 1 is characterized in that: A piston cylinder (210) is installed on the bottom side of the support frame (111), a first piston rod (211) is inserted and slidably fitted inside the piston cylinder (210), a pressure spring (212) is installed between the first piston rod (211) and the piston cylinder (210), a connecting cylinder (213) is symmetrically installed on the bottom side of the piston cylinder (210), the connecting cylinder (213) is in communication with the piston cylinder (210), and a suction cup (214) for adsorbing the friction sleeve is installed on the bottom side of the connecting cylinder (213).

5. The life test equipment for the friction sleeve of the reducer according to claim 4 is characterized in that: The first piston rod (211) is movably inserted into the support frame (111); a through slot (220) is provided on the surface of the support frame (111); a traction rope (221) is movably inserted into the through slot (220); one end of the traction rope (221) is connected to the end of the first piston rod (211); and the other end of the traction rope (221) is connected to the first clamping block (121).

6. The life test equipment for the friction sleeve of the reducer according to claim 1 is characterized in that: An L-shaped groove (260) is provided on one side of the first slide groove (150), and a connecting groove (262) is provided on the other side of the first slide groove (150). An inclined groove (263) is provided on the surface of the sliding seat (270), and an L-shaped rod (261) is slidably installed inside the inclined groove (263). One end of the L-shaped rod (261) is slidably matched with the inclined groove (263), and the other end of the L-shaped rod (261) is slidably matched with the connecting groove (262). When the bottom end of the inclined groove (263) overlaps with the end of the L-shaped groove (260), the L-shaped rod (261) descends, and one end of the L-shaped rod (261) contacts with the connecting groove (262).

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