Life test platform for lead screw transmission device for humanoid robot joint

Abstract

The utility model discloses a life test platform for a lead screw transmission device for humanoid robot joints, which relates to the technical field of robot production and comprises a platform body, the top of the platform body is connected with an oil storage tank, a transmission shaft penetrates through the outer surface of the oil storage tank, a gear is sleeved outside the transmission shaft, and one side of the top of the oil storage tank is provided with an air cylinder. The output end of the cylinder is connected with a linkage block through a piston rod. According to the utility model, through the arrangement of the cylinder, the transmission shafts, the gear, the rack, the blocking frame, the linkage block and the blocking brush, the plurality of transmission shafts are arranged so as to conveniently connect a plurality of lead screw main bodies for testing, and the cylinder drives the linkage block to reciprocate left and right, so that the rack reciprocates left and right and is engaged with the gear while reciprocating left and right; the gears synchronously rotate forwards and backwards in a reciprocating manner, so that the transmission shafts drive the lead screw main body to rotate forwards and backwards through the couplings; the multi-station synchronous test is facilitated, the structure is simple, and the service life is long.

Description

TECHNICAL FIELD

[0001] The utility model relates to robot production technical field, concretely is anthropomorphic robot joint screw drive device life test platform. BACKGROUND

[0002] Anthropomorphic robot refers to a kind of robot simulating human appearance and behavior, and anthropomorphic robot also has multiple, multiple movable joints, mainly linear transmission mechanism, rotating transmission mechanism two joints, wherein the linear transmission mechanism of anthropomorphic robot is mainly divided into gear rack, screw pair, air cylinder, hydraulic cylinder and electric cylinder, such as the linear transmission mechanism of screw pair needs to be tested after production to ensure that product is qualified and can be used for a long time, and it is convenient to find defects in time.

[0003] The utility model discloses a kind of anthropomorphic robot joint screw drive device life test platform with application number 202322429394. X, including workbench, fixed rod, fixed rod is fixedly connected to the upper end of workbench, testing mechanism, testing mechanism includes support plate, hydraulic cylinder, motor, fixed table, planetary roller screw pair, C type snap ring, fixed block and sliding plate, wherein C type snap ring and fixed block are equipped with two groups. The anthropomorphic robot joint screw drive device life test platform, by the insertion of fixed block in testing mechanism in C type snap ring, keep the stability of planetary roller screw pair, hydraulic cylinder pushes motor forward, output shaft part is located in arcuate notch, realize the butt joint of motor and planetary roller screw pair, motor operation, whether matching can be detected each component, detect the flatness and running-in degree of screw rod in planetary roller screw pair, pick out defective product, protect the safe use of planetary roller screw pair.

[0004] The technical scheme adopts the mode of motor direct connection screw pair to drive screw main body rotation, to test the service life of screw, such test method is only convenient for small batch product testing, if product batch is more, then the screw pair to be tested is more, leading to the number of motor, hydraulic cylinder and other execution elements also increases, to lead to higher cost. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing anthropomorphic robot joint screw drive device life test platform to solve the technical problems mentioned in the above background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: The life test platform for screw rod transmission device of humanoid robot joint, including platform main part, the top of platform main part is connected with oil storage tank, and the outer surface of oil storage tank is penetrated with transmission shaft, and the outside of transmission shaft is sleeved with gear, the side of oil storage tank top is installed with cylinder, and cylinder output passes through piston rod and is connected with linkage block, the bottom of linkage block is connected with rack; The top of oil storage tank is fixed with fender, and the inside of fender is connected with two fender brushes.

[0007] Through the above technical scheme, a plurality of transmission shafts are arranged to connect a plurality of screw rod bodies for testing at the same time, and the linkage block is driven by the cylinder to reciprocate left and right, so that the rack reciprocates left and right, and the rack reciprocates left and right at the same time and is engaged with the gear, so that the plurality of gears are synchronously reciprocated and reversed, and then the plurality of transmission shafts drive the screw rod body to rotate in forward and reverse directions through the shaft coupling, which can realize multi-station simultaneous testing, and the automatic reciprocating forward and reverse movement avoids the screw nut from sliding out directly; At the same time, the arrangement of the oil tank makes the gear and the gear contact with the lubricating oil to reduce wear and tear and improve the service life, and the arrangement of the fender avoids dust from falling into the inside of the oil tank due to gravity to form impurities, and the arrangement of the fender brush, first, does not block the left and right reciprocating movement of the linkage block, and second, the two fender brushes can shield dust to reduce the phenomenon of dust entering the inside of the fender and then entering the oil tank.

[0008] Further, the inside of the oil tank is provided with lubricating oil.

[0009] Through the above technical scheme, the arrangement of the oil tank makes the gear and the gear contact with the lubricating oil to reduce wear and tear and improve the service life.

[0010] Further, the transmission shaft and the gear are provided with a plurality of gears, and the plurality of gears are engaged with the rack.

[0011] Through the above technical scheme, the rack reciprocates left and right at the same time and is engaged with the gear, so that the plurality of gears are synchronously reciprocated and reversed, and then the plurality of transmission shafts drive the screw rod body to rotate in forward and reverse directions through the shaft coupling, which can realize multi-station simultaneous testing, and the automatic reciprocating forward and reverse movement avoids the screw nut from sliding out directly.

[0012] Further, the cross section of the linkage block and the fender is inverted "J" shape, and the linkage block and the fender are slidingly connected.

[0013] Through the above technical scheme, the arrangement of the fender avoids dust from falling into the inside of the oil tank due to gravity to form impurities, and the arrangement of the linkage block facilitates the cylinder to drive the rack to move.

[0014] Further, the fender brush is made of nylon wire, and the two fender brushes are abutted with the linkage block.

[0015] By adopting the above technical scheme, firstly, the left and right reciprocating movement of the linkage block is not blocked, and secondly, the two blocking brushes can shield dust to reduce the phenomenon of dust entering the inside of the blocking frame and then entering the oil storage tank.

[0016] Further, the guide rail is fixed on one side of the top of the platform body, and the guide seat is connected to the top of the guide rail, the screw nut is connected to the top of the guide seat, and the outer surface and the back of the screw nut are penetrated by the screw body, and the coupling is connected between the screw body and the transmission shaft.

[0017] By adopting the above technical scheme, the worker places the screw nut penetrated by the screw body on the top of the guide seat, and then the worker slides the guide seat to make the screw nut and the screw body translate to the direction of the oil storage tank, so that the screw body penetrates the outer surface of the platform body, and then the worker connects the screw body and one end of the transmission shaft through the coupling. After the screw body rotates, since the screw nut is placed on the guide seat, the screw nut is guided and stopped by the guide seat cooperating with the guide rail, so as to convert the rotary motion of the screw body into the linear motion of the screw nut. Since the screw body is in the reciprocating forward and reverse rotation state, the screw nut and the guide seat move back and forth, so as to start testing the service life of the screw body and the screw nut.

[0018] Further, the screw nut is detachably connected with the guide seat, and the guide seat is slidingly connected with the guide rail.

[0019] By adopting the above technical scheme, the worker places the screw nut penetrated by the screw body on the top of the guide seat, and then the worker slides the guide seat to make the screw nut and the screw body translate to the direction of the oil storage tank.

[0020] Further, the screw body is detachably connected with the transmission shaft through the coupling, and the screw body penetrates the outer surface of the platform body.

[0021] By adopting the above technical scheme, the screw body penetrates the outer surface of the platform body first, and then the worker connects the screw body and one end of the transmission shaft through the coupling.

[0022] Further, the guide rail, the coupling, the screw body, the screw nut and the guide seat are provided with a plurality of, and the plurality of guide rails, couplings, screw bodies, screw nuts and guide seats are equally distributed.

[0023] Through adopting the technical scheme, the staff places the screw nut with the screw rod body penetrating in the guide seat top, then the staff slides the guide seat to make the screw nut and the screw rod body translate to the oil storage tank direction, so that the screw rod body penetrates through the platform body outer surface, then the staff connects the screw rod body with one end of the transmission shaft through the shaft coupling, and the rest screw rod body and screw nut installation operation is the same, so that one-to-many can realize multi-station simultaneous testing.

[0024] Further, the first guide rod and the second guide rod are fixed on the inside of the blocking frame, and the linkage block is in sliding connection with the first guide rod and the second guide rod.

[0025] Through the above technical scheme, the first guide rod and the second guide rod support and guide the linkage block, avoiding the deviation of the linkage block.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] The utility model discloses a cylinder, transmission shaft, gear, rack, blocking frame, linkage block and the setting of fender brush, set up multiple transmission shafts to facilitate connecting multiple screw rod bodies for testing at the same time, and the linkage block is driven to reciprocate left and right through the cylinder, so that the rack reciprocates left and right, and the rack reciprocates left and right at the same time and is engaged with the gear, so that multiple gears are synchronously reciprocated and reversely rotated, and then multiple transmission shafts drive the screw rod body to reversely rotate through the shaft coupling, one is to realize multi-station simultaneous testing, and two is to avoid the screw nut from sliding out directly through automatic reciprocating and reversing movement, and the setting of the oil storage tank makes the gear and the gear contact with lubricating oil to reduce wear and tear and improve service life, and the setting of the blocking frame avoids dust from falling into the oil storage tank due to gravity and forming impurities, and the setting of the fender brush, one is not to block the reciprocating movement of the linkage block, and two is that two fender brushes can shield dust and reduce the phenomenon that dust enters the blocking frame and then enters the oil storage tank, so that multi-station synchronous testing is facilitated, and the structure is simple and the service life is long. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the structural schematic diagram of the utility model;

[0029] Figure 2 It is the side sectional structure schematic diagram of the utility model;

[0030] Figure 3 It is the Figure 2 A structure enlarged view in the utility model;

[0031] Figure 4 It is the gear structure schematic diagram of the utility model.

[0032] In the figure: 1, platform main body; 2, guide rail; 3, shaft coupling; 4, screw main body; 5, screw nut; 6, guide seat; 7, oil tank; 8, baffle; 9, air cylinder; 10, transmission shaft; 11, gear; 12, rack; 13, linkage block; 14, baffle brush; 15, first guide rod; 16, second guide rod. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0034] The embodiments will be described below according to the overall structure of the utility model.

[0035] Embodiment one:

[0036] The human-shaped robot joint screw drive device life test platform, as shown in Figures 1-4 The figure shows that the platform main body 1 is connected with the oil tank 7 at the top, the oil tank 7 is internally provided with lubricating oil, the setting of the oil tank 7 enables the gear 11 to contact the lubricating oil to reduce abrasion and improve the service life; the transmission shaft 10 penetrates through the outer surface of the oil tank 7, the gear 11 is sleeved on the outside of the transmission shaft 10, the transmission shaft 10 and the gear 11 are both provided with multiple, the air cylinder 9 is installed on one side of the top of the oil tank 7, the linkage block 13 is connected to the output end of the air cylinder 9 through the piston rod, the linkage block 13 is connected with the rack 12 at the bottom, the multiple gears 11 are all engaged with the rack 12, and one-to-many can be realized to test multiple stations at the same time; the baffle 8 is fixed on the top of the oil tank 7, the cross sections of the linkage block 13 and the baffle 8 are both inverted "J" shapes, the linkage block 13 is slidably connected with the baffle 8, and the setting of the baffle 8 avoids dust from falling into the inside of the oil tank 7 due to gravity to form impurities; the baffle 8 is internally connected with two baffle brushes 14, the baffle brushes 14 are made of nylon wire, the two baffle brushes 14 are all abutted with the linkage block 13, one is that the baffle brushes 14 will not block the reciprocating movement of the linkage block 13, and the other is that the two baffle brushes 14 can shield dust to reduce the phenomenon that the dust enters the inside of the baffle 8 and then enters the oil tank 7.

[0037] Reference Figure 1 and Figure 2In the above embodiment, the platform body 1 is fixed on one side of the top of the guide rail 2, the guide seat 6 is connected to the top of the guide rail 2, the guide seat 6 is slidably connected with the guide rail 2, the screw nut 5 is connected to the top of the guide seat 6, and the screw nut 5 is placed on the guide seat 6, so that the guide seat 6 cooperates with the guide rail 2 to guide and stop the screw nut 5, thereby converting the rotary motion of the screw body 4 into the linear motion of the screw nut 5; the screw nut 5 is detachably connected with the guide seat 6, the screw nut 5 is penetrated by the screw body 4 on the outer surface and the back, the screw body 4 penetrates the outer surface of the platform body 1, the coupling 3 is connected between the screw body 4 and the transmission shaft 10, the screw body 4 is detachably connected with the transmission shaft 10 through the coupling 3, the guide rail 2, the coupling 3, the screw body 4, the screw nut 5 and the guide seat 6 are provided in plurality, the plurality of guide rails 2, couplings 3, screw bodies 4, screw nuts 5 and guide seats 6 are equally distributed, the staff places the screw nut 5 penetrated by the screw body 4 on the top of the guide seat 6, then the staff slides the guide seat 6 to make the screw nut 5 and the screw body 4 translate to the oil storage tank 7, so that the screw body 4 penetrates the outer surface of the platform body 1, then the staff connects the screw body 4 with one end of the transmission shaft 10 through the coupling 3, and the installation operation of the remaining screw bodies 4 and screw nuts 5 is the same.

[0038] Embodiment two:

[0039] On the basis of the above embodiment one, in order to increase the stability of the linkage block 13 during operation, the following settings are made.

[0040] Referring to Figure 2 and Figure 3 In the above embodiment, the first guide rod 15 and the second guide rod 16 are fixed on both sides of the inside of the blocking frame 8, the linkage block 13 is slidably connected with the first guide rod 15 and the second guide rod 16, and the first guide rod 15 and the second guide rod 16 support and guide the linkage block 13 to avoid the deviation of the linkage block 13.

[0041] The implementation principle of the utility model is: first, the staff places the screw nut 5 penetrated by the screw body 4 on the top of the guide seat 6, then the staff slides the guide seat 6 to make the screw nut 5 and the screw body 4 translate to the oil storage tank 7, so that the screw body 4 penetrates the outer surface of the platform body 1, then the staff connects the screw body 4 with one end of the transmission shaft 10 through the coupling 3, and the installation operation of the remaining screw bodies 4 and screw nuts 5 is the same;

[0042] The worker opens the air cylinder 9, the output end drives the linkage block 13 to reciprocate left and right through the piston rod after the air cylinder 9 starts, thereby making the rack 12 reciprocate left and right, and the linkage block 13 is supported and guided through the first guide rod 15 and the second guide rod 16, avoiding the deviation of the linkage block 13, the rack 12 reciprocates left and right at the same time and is engaged with the gear 11, so that the plurality of gears 11 are synchronously reciprocated and reversely rotated, and the plurality of transmission shafts 10 drive the lead screw body 4 to reversely rotate through the shaft coupling 3, one is that the plurality of transmission shafts 10 can realize the simultaneous test of multiple stations, and the other is that the automatic reciprocating motion avoids the direct sliding of the lead screw nut 5 out of the lead screw body 4;

[0043] After the lead screw body 4 rotates, the lead screw nut 5 is placed on the guide seat 6, so that the lead screw nut 5 is guided and stopped through the guide seat 6 cooperating with the guide rail 2, thereby converting the rotary motion of the lead screw body 4 into the linear motion of the lead screw nut 5, and since the lead screw body 4 is in the reciprocating and reversing state, the lead screw nut 5 and the guide seat 6 move back and forth, thereby starting to test the service life of the lead screw body 4 and the lead screw nut 5;

[0044] At the same time, the setting of the oil storage tank 7 makes the gear 11 contact with the lubricating oil to reduce wear and tear and improve service life, and the setting of the baffle 8 avoids dust falling into the inside of the oil storage tank 7 due to gravity to form impurities, and the setting of the brush 14, one is that the brush 14 does not block the left and right reciprocating motion of the linkage block 13, and the other is that the two brushes 14 can shield dust to reduce the phenomenon that dust enters the inside of the baffle 8 and then enters the inside of the oil storage tank 7.

[0045] Although the embodiments of the present application have been shown and described, the specific embodiments are only an explanation of the present application, and are not a limitation of the present application, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the present application, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A life test platform for a lead screw transmission device for a humanoid robot joint, comprising a platform body (1), characterized in that: The top of the platform body (1) is connected to an oil storage tank (7), and a transmission shaft (10) passes through the outer surface of the oil storage tank (7), and a gear (11) is sleeved on the outside of the transmission shaft (10); a cylinder (9) is installed on one side of the top of the oil storage tank (7), and the output end of the cylinder (9) is connected to a linkage block (13) through a piston rod, and the bottom of the linkage block (13) is connected to a rack (12); a retaining frame (8) is fixed on the top of the oil storage tank (7), and two retaining brushes (14) are connected inside the retaining frame (8).

2. The life test platform for the lead screw transmission device for the humanoid robot joint according to claim 1, characterized in that: Lubricating oil is provided inside the oil storage tank (7).

3. The life test platform for lead screw transmission devices for humanoid robot joints according to claim 1, characterized in that: The transmission shaft (10) and the gear (11) are both provided in plurality, and the plurality of gears (11) are all meshed with the rack (12).

4. The life test platform for lead screw transmission devices for humanoid robot joints according to claim 1, characterized in that: The cross sections of the linkage block (13) and the retaining frame (8) are both in an inverted "J" shape, and the linkage block (13) and the retaining frame (8) are slidably connected.

5. The life test platform for lead screw transmission devices for humanoid robot joints according to claim 4, characterized in that: The retaining brushes (14) are made of nylon wire, and both retaining brushes (14) are in contact with the linkage block (13).

6. The life test platform for lead screw transmission devices for humanoid robot joints according to claim 1, characterized in that: A guide rail (2) is fixed on one side of the top of the platform body (1), and a guide seat (6) is connected to the top of the guide rail (2), a screw nut (5) is connected to the top of the guide seat (6), and a screw body (4) is passed through the outer surface and back of the screw nut (5), and a coupling (3) is connected between the screw body (4) and the transmission shaft (10).

7. The life test platform for lead screw transmission devices for humanoid robot joints according to claim 6, characterized in that: The screw nut (5) is detachably connected to the guide seat (6), and the guide seat (6) is slidably connected to the guide rail (2).

8. The life test platform for lead screw transmission devices for humanoid robot joints according to claim 6, characterized in that: The screw body (4) is detachably connected to the transmission shaft (10) via a coupling (3), and the screw body (4) penetrates the outer surface of the platform body (1).

9. The life test platform for lead screw transmission devices for humanoid robot joints according to claim 6, characterized in that: The guide rail (2), coupling (3), screw body (4), screw nut (5) and guide seat (6) are all provided in plurality, and the plurality of guide rails (2), coupling (3), screw body (4), screw nut (5) and guide seat (6) are distributed at equal distances.

10. The life test platform for lead screw transmission devices for humanoid robot joints according to claim 1, characterized in that: A first guide rod (15) and a second guide rod (16) are fixed on both sides of the interior of the retaining frame (8), and the linkage block (13) is slidably connected to the first guide rod (15) and the second guide rod (16).

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