CN116816887B - Gear rack transmission structure - Google Patents
Gear rack transmission structure Download PDFInfo
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- CN116816887B CN116816887B CN202310270812.7A CN202310270812A CN116816887B CN 116816887 B CN116816887 B CN 116816887B CN 202310270812 A CN202310270812 A CN 202310270812A CN 116816887 B CN116816887 B CN 116816887B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention relates to the field of transmission structures, and discloses a gear-rack transmission structure, which effectively solves the problem that the existing motor is powered off and then an output gear continuously rotates under the action of inertia to cause the movement of a rack to have errors, and comprises a mounting plate, wherein the front surface of the mounting plate is provided with a driving gear which is fixedly connected with an output shaft of a motor body, the output shaft of the motor body is rotationally connected with the mounting plate, the motor body is fixedly arranged on the mounting plate, the invention relates to a rack gear, which is characterized in that follow-up gears are symmetrically arranged on two sides of a driving gear and meshed with the driving gear, and the two follow-up gears are meshed with the driving gear through racks, so that the rack gear is further limited, a rotating rod is arranged on the driving gear, a lantern ring is arranged on the outer side of the rotating rod, a sliding strip at the bottom end of the lantern ring is in sliding connection with a sliding groove on the rack gear, so that the rack gear is further limited, and the moving stability of the rack gear is improved.
Description
Technical Field
The invention belongs to the field of transmission structures, and particularly relates to a gear rack transmission structure.
Background
According to the patent document with the authority publication number of CN202897742U, the invention is named as a gear rack transmission structure, and the specification of the patent document is as follows: the driving wheels are arranged on the follow-up gears, the driving belt is arranged between the two driving wheels, and when one of the follow-up gears rotates, the other follow-up gear also rotates along with the driving belt to realize synchronous rotation, so that random jumping of the two follow-up gears in the rotating process can be effectively prevented, the collision probability in the transmission process is reduced, the generation of noise is reduced, and the transmission stability of the gear-rack transmission structure is also improved; the following drawbacks still remain:
because the driving gear is fixedly connected with the output shaft of the motor, after the motor is started, the motor output shaft rotates to drive the driving gear to rotate, the driving gear is meshed with the follow-up gear, so that the follow-up gear is driven to rotate, the follow-up gear is meshed with the rack, the rack is driven to move, the motor is powered off and stopped after the rack moves to a target position, and after the motor is closed, the output shaft of the motor is easy to continuously rotate for a moving angle under the action of self inertia, and then the rack is driven to continuously move for a certain distance, so that the rack cannot be accurately stopped at the target position, and errors exist in the movement of the rack.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the gear-rack transmission structure, which effectively solves the problem that the movement of the rack is error caused by the fact that the output gear continues to rotate under the inertia effect after the current motor is powered off.
In order to achieve the above purpose, the present invention provides the following technical solutions: the gear rack transmission structure comprises a mounting plate, wherein a driving gear is arranged on the front surface of the mounting plate and fixedly connected with an output shaft of a motor body, the output shaft of the motor body is rotationally connected with the mounting plate, the motor body is fixedly mounted on the mounting plate, follow-up gears are symmetrically arranged on two sides of the driving gear and meshed with the driving gear, a rotating shaft is mounted on the back surface of the follow-up gear and is rotationally connected with the mounting plate, and the diameter of the driving gear is smaller than that of the follow-up gear;
A rack is arranged below the follow-up gears, a sliding groove is formed in the front surface of the mounting plate, a sliding block is arranged on one side, close to the mounting plate, of the rack, the sliding block is connected in the sliding groove in a sliding mode, the rack is meshed with the two follow-up gears, and a rack moving stabilizing mechanism is arranged between the driving gear and the rack;
The rack moving stabilizing mechanism comprises a rotating rod arranged on one side, far away from the mounting plate, of the driving gear, the axis of the rotating rod coincides with the axis of the driving gear, two limiting plates are arranged on the rotating rod, a lantern ring is arranged between the two limiting plates, the lantern ring is sleeved on the outer side of the rotating rod, a sliding strip is arranged at the bottom end of the connecting strip, the connecting strip and the sliding strip are arranged in an L-shaped mode, the sliding strip is in sliding connection with the sliding groove, the sliding groove is formed in the sliding groove, a friction ring is arranged on the front face of the driving gear, and a rack stopping component is arranged in the connecting strip.
Preferably, the rack stop the subassembly promptly including set up in the inside first inside groove of connecting strip, the second inside groove has been seted up to the inside of slider, the second inside groove is linked together with first inside groove, the inside movable mounting in first inside groove has the movable block, the magnetic path is installed on the top of movable block, install the electro-magnet on the interior roof in first inside groove, the external power supply of electro-magnet, install the second on the connecting strip and stop the unit, install first stop the unit on the lantern ring, install the third on the slider and stop the unit.
Preferably, the first stopping unit comprises a ring groove arranged in the collar, tightening ropes are arranged in the ring groove, rope grooves are symmetrically arranged on the bottom wall of the ring groove, the rope grooves penetrate into the first inner groove, two ends of the tightening ropes enter into the first inner groove from the rope grooves respectively, rope end fixing rods are symmetrically arranged at the top ends of the movable blocks, and the two rope end fixing rods are fixedly connected with two ends of the tightening ropes respectively.
Preferably, the first communication groove is formed in the inner wall of the annular groove at equal angles, the first communication groove penetrates through the outside, a first friction block is movably mounted in the first communication groove, a first pressing block is arranged on one side, close to the annular groove, of the first friction block, a first spring is mounted between the first pressing block and the first friction block, a rope hole is formed in the first pressing block, and a tightening rope penetrates through the rope hole.
Preferably, guide rods are symmetrically arranged on two sides of the first pressing block, the guide rods are movably arranged inside the guide grooves, reset springs are arranged at the bottom ends of the guide rods, and the bottom ends of the reset springs are fixedly connected with the inner bottom walls of the guide grooves.
Preferably, the second stopping unit comprises a communication sleeve arranged on one side, close to the mounting plate, of the connecting strip, the communication sleeve is communicated with the inside of the first inner groove, the communication sleeve is located below the movable block, a second pressing block is movably arranged in the communication sleeve, a second friction block is arranged on one side, close to the driving gear, of the second pressing block, a second spring is symmetrically arranged between the second friction block and the second pressing block, and the second friction block is in contact with the friction ring.
Preferably, the bottom of the movable block is provided with a first inclined plane, one side of the second pressing block, which is close to the first inner groove, is provided with a second inclined plane, and the inclination angle of the first inclined plane is the same as that of the second inclined plane.
Preferably, the third stop unit includes the jib of symmetry installation in movable block bottom, first piston piece is installed to the bottom of jib, the outer wall of first piston piece is hugged closely with the inner wall of first inside groove, the inside movable mounting of second inside groove has the second piston piece, the connecting rod is installed to one side that the second piston piece is close to the mounting panel, the connecting rod is close to the one end of mounting panel and is installed the clamp plate, the outer wall of second piston piece is hugged closely with the inner wall of second inside groove, it has hydraulic oil to fill between first piston piece and the second piston piece, one side symmetry that the clamp plate kept away from the connecting rod is installed and is moved the spring, the one end and the inner wall fixed connection of second inside groove of spring move back.
Preferably, the top and bottom symmetry of sliding strip has seted up the second intercommunication groove, the one end in second intercommunication groove is linked together with the inside of spout, the other end in second intercommunication groove is linked together with the inside of second inside groove, the inside movable mounting in second intercommunication groove has the third friction block, one side that the third friction block is close to the inside of second inside groove is equipped with the third briquetting, install the third spring between third friction block and the third briquetting, the connecting rod is installed to one side that the third friction block was kept away from to the third briquetting, the dwang is installed in one side symmetry rotation that the clamp plate is close to the connecting rod, the other end of two dwang rotates with two upper and lower connecting rods respectively and is connected, the shape of two dwang is for being less than the number shape.
Preferably, the limiting grooves are symmetrically formed in two sides of the second communicating groove, the limiting blocks are symmetrically arranged in two sides of the third pressing block, and the limiting blocks are in sliding connection with the limiting grooves.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the sliding block on the rack is in sliding connection with the sliding groove on the mounting plate, so that the limit effect on the rack is realized, the rack is meshed with the two follow-up gears, the two follow-up gears are meshed with the driving gear, so that the limit effect on the rack is further realized, meanwhile, the driving gear is provided with the rotating rod, the outer side of the rotating rod is provided with the lantern ring, the sliding strip at the bottom end of the lantern ring is in sliding connection with the sliding groove on the rack, so that the limit is further realized, and the movement stability of the rack is improved;
(2) According to the invention, the bottom end of the movable block is matched with one side of the second pressing block, after the movable block moves downwards, the second pressing block is pushed to move towards the inside of the communication sleeve, and the second spring is compressed, so that the friction resistance between the second friction block and the friction ring is increased, the continuous rotation amount of the driving gear due to inertia is reduced, and the moving accuracy of the rack is improved;
(3) According to the invention, the tightening rope is pulled to tighten through downward movement of the movable block, so that the tightening rope pulls the first pressing block to move towards the first friction block, the first spring is compressed, and the friction resistance between the first friction block and the outer wall of the rotating rod is increased, so that the continuous rotation amount of the driving gear due to inertia is reduced, and the moving accuracy of the rack is further improved;
(4) According to the invention, the movable block moves downwards and then drives the pressing plate to move through the transmission of hydraulic oil, so that the rotating rod rotates to push the third pressing block to move towards the third friction block, the third spring is compressed, the friction resistance of the third friction block on the inner top wall of the sliding groove is increased, the resistance to the rack is increased, the rack is prevented from continuing to move after reaching the target position, and the moving accuracy of the rack is further improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of a rack and pinion drive configuration of the present invention;
FIG. 2 is a schematic diagram of the front structure of the rack of the present invention;
FIG. 3 is a schematic view of the back structure of the rack of the present invention;
FIG. 4 is a schematic view of a driving gear structure according to the present invention;
FIG. 5 is a schematic diagram of a first brake unit according to the present invention;
FIG. 6 is an enlarged view of FIG. 5A in accordance with the present invention;
FIG. 7 is a schematic diagram of a second brake unit according to the present invention;
FIG. 8 is an enlarged view of the invention at B in FIG. 7;
In the figure: 1. a mounting plate; 2. a drive gear; 3. a motor body; 4. a follower gear; 5. a rotating shaft; 6. a sliding groove; 7. a rack; 8. a sliding block; 9. a rack movement stabilizing mechanism; 901. a rotating rod; 902. a limiting plate; 903. a collar; 904. a connecting strip; 905. a sliding bar; 906. a chute; 907. a friction ring; 908. a rack stop-and-go assembly; 9081. a first inner tank; 9082. a second inner tank; 9083. a movable block; 9084. a magnetic block; 9085. an electromagnet; 9086. a first brake unit; 90861. a ring groove; 90862. tightening the rope; 90863. rope grooves; 90864. a rope end fixing rod; 90865. a first communication groove; 90866. a first friction block; 90867. a first briquette; 90868. a first spring; 90869. a guide groove; 908610, guide rods; 908611, a return spring; 908612, rope holes; 9087. a second brake unit; 90871. a communicating sleeve; 90872. a first inclined surface; 90873. a second briquetting; 90874. a second inclined surface; 90875. a second friction block; 90876. a second spring; 9088. a third brake unit; 90881. a boom; 90882. a first piston block; 90883. a second piston block; 90884. a connecting rod; 90885. a pressing plate; 90886. a return spring; 90887. a second communication groove; 90888. a third friction block; 90889. a third briquetting; 908810, a third spring; 908811, a limit groove; 908812, limiting blocks; 908813, connecting rods; 908814, a rotating rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The first embodiment is shown in fig. 1-8, the invention comprises a mounting plate 1, the front of the mounting plate 1 is provided with a driving gear 2, the driving gear 2 is fixedly connected with an output shaft of a motor body 3, the output shaft of the motor body 3 is rotationally connected with the mounting plate 1, the motor body 3 is fixedly arranged on the mounting plate 1, the two sides of the driving gear 2 are symmetrically provided with a follow-up gear 4, the follow-up gear 4 is meshed with the driving gear 2, the back of the follow-up gear 4 is provided with a rotating shaft 5, the rotating shaft 5 is rotationally connected with the mounting plate 1, the diameter of the driving gear 2 is smaller than the diameter of the follow-up gear 4, a rack 7 is arranged below the follow-up gear 4, the front of the mounting plate 1 is provided with a sliding groove 6, one side of the rack 7 close to the mounting plate 1 is provided with a sliding block 8, the sliding block 8 is slidingly connected inside the sliding groove 6, the rack 7 is meshed with the two follow-up gears 4, a rack movement stabilizing mechanism 9 is arranged between the driving gear 2 and the rack 7, the rack movement stabilizing mechanism 9 comprises a rotating rod 901 which is arranged on one side of the driving gear 2 far away from the mounting plate, the driving gear 901, the axis of the rotating rod 901 is coincident with the axis of the driving gear 2, two limiting plates 901 are arranged on the rotating rod 901, two limiting plates 903 are arranged on the rotating rod 901, a sleeve rings 905 are arranged on the inner side of the sleeve ring 905 is connected with the sliding groove 904, and the sliding groove 904 is connected with the sliding groove 908, and the sliding groove 908 is arranged on the inner side of the sliding groove 908, and the sliding groove is connected with the sliding groove 908, and the sliding groove is arranged.
The rack instant-stopping assembly 908 comprises a first inner groove 9081 arranged inside a connecting strip 904, a second inner groove 9082 arranged inside a sliding strip 905, the second inner groove 9082 is communicated with the first inner groove 9081, a movable block 9083 is movably arranged inside the first inner groove 9081, a magnetic block 9084 is arranged at the top end of the movable block 9083, an electromagnet 9085 is arranged on the inner top wall of the first inner groove 9081, an external power supply is connected with the electromagnet 9085, a second stopping unit 9087 is arranged on the connecting strip 904, a first stopping unit 9086 is arranged on a sleeve ring 903, and a third stopping unit 9088 is arranged on the sliding strip 905.
The first stopping unit 9086 includes the annular 90861 of seting up in the inside of the lantern ring 903, the inside of annular 90861 is equipped with tightens up rope 90862, rope groove 90861 has been seted up to the symmetry on the diapire of annular 90861, rope groove 90861 runs through to inside the first inside groove 9081, tighten up rope 90861's both ends respectively from rope groove 90861 get into inside the first inside groove 9081, rope end dead lever 90861 is installed to movable block 9083's top symmetry, two rope end dead levers 90861 respectively with tighten up rope 90861's both ends fixed connection, first communication groove 90861 has been seted up to equiangle on the inner wall of annular 90861, first communication groove 90861 runs through the external world, the inside movable mounting of first communication groove 90861 has first friction block 90861, one side that first friction block 90861 is close to annular 90861 is equipped with first briquetting 90861, install first spring 90861 between first briquetting 90861 and the first friction block 2, set up rope hole 2 on the first briquetting 90861 passes from inside rope hole 90861, the both sides of tightening up rope 90861 and is offered the guide bar 8611, the guide bar is installed in the guide bar 90861's of the inside guide bar 8611, the guide bar is installed in the guide bar 3931, the bottom is fixed to the guide bar 3931.
The second stopping unit 9087 comprises a communicating sleeve 90871 arranged on one side of the connecting strip 904 close to the mounting plate 1, the communicating sleeve 90871 is communicated with the inside of the first inner groove 9081, the communicating sleeve 90871 is positioned below the movable block 9083, a second pressing block 90873 is movably arranged in the communicating sleeve 90871, a second friction block 90875 is arranged on one side of the second pressing block 90873 close to the driving gear 2, a second spring 90876 is symmetrically arranged between the second friction block 90875 and the second pressing block 90873, the second friction block 90875 is in contact with the friction ring 907, a first inclined surface 90872 is arranged at the bottom end of the movable block 9083, a second inclined surface 90874 is arranged on one side of the second pressing block 90873 close to the first inner groove 9081, and the inclination angle of the first inclined surface 90872 is the same as that of the second inclined surface 90874.
The third stop unit 9088 is including the symmetry install in the jib of movable block 9083 bottom, first piston piece is installed to the bottom of jib, the outer wall and the inner wall of first inside groove 9081 of first piston piece are hugged closely, the internally movable of second inside groove 9082 has the second piston piece, the connecting rod is installed to one side that the second piston piece is close to mounting panel 1, the connecting rod is close to the one end of mounting panel 1 and installs the clamp plate, the outer wall of second piston piece is hugged closely with the inner wall of second inside groove 9082, it has hydraulic oil to fill between first piston piece and the second piston piece, the one side symmetry of connecting rod is kept away from to the clamp plate installs the rebound spring, the one end and the inner wall fixed connection of second inside groove 9082 of rebound spring, the second intercommunication groove has been seted up to top and the bottom symmetry of slider 905, the one end and the inside of spout 906 are linked together, the other end and the inside of second inside groove 9082 are linked together, the inside movable mounting of second intercommunication groove has the third friction block, one side that the third friction block is close to second inside of mounting panel 9082 is equipped with the third briquetting, install the third friction block and third briquetting is hugged closely with the inner wall of third inside, it has the stopper to install the rotation to keep away from the inside groove, the two sides of the second friction block is equipped with the two side of symmetry connecting rods, the two limit blocks are connected with the two limit blocks, the two limit blocks are connected with the two limit levers, the two limit blocks are rotated, the two limit levers are rotated, the two limit blocks are connected to each other, and two limit blocks are rotated.
Working principle: after the motor body 3 is started, the output shaft of the motor body 3 rotates to drive the driving gear 2 to rotate, and as the two follow-up gears 4 are meshed with the driving gear 2, the two follow-up gears 4 rotate in the same direction after the driving gear 2 rotates, and as the rack 7 is meshed with the two follow-up gears 4, the rack 7 is limited, so that the moving stability of the rack 7 is improved, meanwhile, the driving gear 2 is provided with a rotating rod 901, the outer side of the rotating rod 901 is provided with a lantern ring 903, a sliding bar 905 at the bottom end of the lantern ring 903 is in sliding connection with a sliding groove 906 on the rack 7, so that the rack 7 is further limited, the moving stability of the rack 7 is improved, and the phenomenon that the rack 7 jumps teeth is avoided;
When the rack 7 moves to the target position, the motor body 3 is powered off and stopped, and the electromagnet 9085 is powered on to generate repulsive force on the magnetic block 9084 when the motor body 3 is powered off, so that the movable block 9083 is driven to move downwards;
The movable block 9083 moves downwards, and as the bottom end of the movable block 9083 is matched with one side of the second pressing block 90873, after the movable block 9083 moves downwards, the second pressing block 90873 is pushed to move towards the inside of the communication sleeve 90871, so that the second spring 90876 is compressed, the friction resistance between the second friction block 90875 and the friction ring 907 is increased, the continuous rotation amount of the driving gear 2 due to inertia is reduced, and the moving accuracy of the rack 7 is improved;
The movable block 9083 moves downwards, so that the tightening rope 90862 is pulled to be tightened, the tightening rope 90862 passes through the rope hole 908612 on the first pressing block 90867, so that the first pressing block 90867 is driven to move towards the first friction block 90866, the first spring 90868 is compressed due to the fact that the first friction block 90866 is in contact with the outer wall of the rotating rod 901, the friction resistance between the first friction block 90866 and the outer wall of the rotating rod 901 is increased, the continuous rotation amount of the driving gear 2 due to inertia is reduced, and the moving accuracy of the rack 7 is further improved;
The movable block 9083 moves downwards to drive the first piston block 90882 to move downwards, then under the action of hydraulic oil, the second piston block 90883 is driven to move towards the pressing plate 90885, then the pressing plate 90885 is driven to move towards the third friction block 90888 by the rotating rod 908814, the third spring 908810 is compressed, the friction resistance of the third friction block 90888 to the inner top wall of the sliding groove 906 is increased, the resistance to the rack 7 is increased, the rack 7 is prevented from moving continuously after reaching the target position, and the moving accuracy of the rack 7 is further improved.
Claims (6)
1. The utility model provides a rack and pinion transmission structure, includes mounting panel (1), its characterized in that: the front of the mounting plate (1) is provided with a driving gear (2), the driving gear (2) is fixedly connected with an output shaft of the motor body (3), the output shaft of the motor body (3) is rotationally connected with the mounting plate (1), the motor body (3) is fixedly mounted on the mounting plate (1), two sides of the driving gear (2) are symmetrically provided with a follow-up gear (4), the follow-up gear (4) is meshed with the driving gear (2), the back of the follow-up gear (4) is provided with a rotating shaft (5), the rotating shaft (5) is rotationally connected with the mounting plate (1), and the diameter of the driving gear (2) is smaller than that of the follow-up gear (4);
A rack (7) is arranged below the follow-up gears (4), a sliding groove (6) is formed in the front surface of the mounting plate (1), a sliding block (8) is arranged on one side, close to the mounting plate (1), of the rack (7), the sliding block (8) is connected inside the sliding groove (6) in a sliding mode, the rack (7) is meshed with the two follow-up gears (4), and a rack moving stabilizing mechanism (9) is arranged between the driving gear (2) and the rack (7);
The rack moving stabilizing mechanism (9) comprises a rotating rod (901) arranged on one side, far away from the mounting plate (1), of the driving gear (2), the axis of the rotating rod (901) coincides with the axis of the driving gear (2), two limiting plates (902) are arranged on the rotating rod (901), a lantern ring (903) is arranged between the two limiting plates (902), the lantern ring (903) is sleeved on the outer side of the rotating rod (901), a sliding strip (905) is arranged at the bottom end of the connecting strip (904), the connecting strip (904) and the sliding strip (905) are in L-shaped arrangement, the sliding strip (905) is in sliding connection with the inside of a sliding groove (906), the sliding groove (906) is arranged on a rack (7), a friction ring (907) is arranged on the front surface of the driving gear (2), and a rack instant stop component (908) is arranged in the connecting strip (904);
The rack instant stopping assembly (908) comprises a first inner groove (9081) formed in a connecting strip (904), a second inner groove (9082) is formed in a sliding strip (905), the second inner groove (9082) is communicated with the first inner groove (9081), a movable block (9083) is movably mounted in the first inner groove (9081), a magnetic block (9084) is mounted at the top end of the movable block (9083), an electromagnet (9085) is mounted on the inner top wall of the first inner groove (9081), an electromagnet (9085) is externally connected with a power supply, a second stopping unit (9087) is mounted on the connecting strip (904), a first stopping unit (9086) is mounted on a sleeve ring (903), and a third stopping unit (9088) is mounted on the sliding strip (905);
The first braking unit (9086) comprises a ring groove (90861) formed in the collar (903), a tightening rope (90862) is arranged in the ring groove (90861), rope grooves (90863) are symmetrically formed in the bottom wall of the ring groove (90861), the rope grooves (90863) penetrate through the first inner groove (9081), two ends of the tightening rope (90862) enter the first inner groove (9081) from the rope grooves (90863) respectively, rope end fixing rods (90864) are symmetrically arranged at the top ends of the movable blocks (9083), and the two rope end fixing rods (90864) are fixedly connected with two ends of the tightening rope (90862) respectively;
The second braking unit (9087) comprises a communication sleeve (90871) which is arranged on one side, close to the mounting plate (1), of the connecting strip (904), the communication sleeve (90871) is communicated with the inside of the first inner groove (9081), the communication sleeve (90871) is positioned below the movable block (9083), a second pressing block (90873) is movably arranged in the communication sleeve (90871), a second friction block (90875) is arranged on one side, close to the driving gear (2), of the second pressing block (90873), a second spring (90876) is symmetrically arranged between the second friction block (90875) and the second pressing block (90873), and the second friction block (90875) is in contact with the friction ring (907);
The third stop unit (9088) is including symmetrically installing jib (90881) in movable block (9083) bottom, first piston (90882) are installed to the bottom of jib (90881), the outer wall and the inner wall of first inside groove (9081) of first piston (90882) are hugged closely, second piston (90883) are installed to the inside movable of second inside groove (9082), connecting rod (90884) are installed to one side that second piston (90883) is close to mounting panel (1), clamp plate (90885) are installed to one end that connecting rod (90884) is close to mounting panel (1), the outer wall and the inner wall of second inside groove (9082) of second piston (90883) are hugged closely, fill between first piston (90882) and second piston (90883) hydraulic oil, one side symmetry that connecting rod (90884) were kept away from to clamp plate (90885) is installed and is moved back spring (90886), one end that moves back spring (90886) and the inner wall fixed connection of second inside groove (9082).
2. A rack and pinion transmission structure according to claim 1, wherein: the inner wall of the ring groove (90861) is provided with a first communication groove (90865) at equal angles, the first communication groove (90865) penetrates through the outside, a first friction block (90866) is movably arranged in the first communication groove (90865), one side, close to the ring groove (90861), of the first friction block (90866) is provided with a first pressing block (90867), a first spring (90868) is arranged between the first pressing block (90867) and the first friction block (90866), a rope hole (908612) is formed in the first pressing block (90867), and a tightening rope (90862) penetrates through the rope hole (908612).
3. A rack and pinion transmission structure according to claim 2, wherein: guide rods (908610) are symmetrically arranged on two sides of the first pressing block (90867), the guide rods (908610) are movably arranged inside the guide grooves (90869), reset springs (908611) are arranged at the bottom ends of the guide rods (908610), and the bottom ends of the reset springs (908611) are fixedly connected with the inner bottom walls of the guide grooves (90869).
4. A rack and pinion transmission structure according to claim 1, wherein: the bottom of movable block (9083) has seted up first inclined plane (90872), and second inclined plane (90874) have been seted up to one side that second briquetting (90873) are close to first inside groove (9081), and the inclination of first inclined plane (90872) is the same with the inclination of second inclined plane (90874).
5. A rack and pinion transmission structure according to claim 1, wherein: the top and the bottom symmetry of sliding strip (905) have seted up second intercommunication groove (90887), the one end in second intercommunication groove (90887) is linked together with the inside of spout (906), the other end in second intercommunication groove (90887) is linked together with the inside of second inside groove (9082), the inside movable mounting in second intercommunication groove (90887) has third clutch block (90888), one side that third clutch block (90888) is close to the inside of second inside groove (9082) is equipped with third briquetting (90889), install third spring (908810) between third clutch block (90888) and the third briquetting (90889), connecting rod (908813) are installed to one side that third clutch block (90889) kept away from third clutch block (90888), connecting rod (908813) are installed in one side symmetry rotation of clamp plate (90885), the other end of two dwang (908814) are connected with two connecting rods (908813) rotation respectively, the shape of two dwang (908814) is less than the sign.
6. A rack and pinion transmission structure according to claim 5, wherein: limiting grooves (908811) are symmetrically formed in two sides of the second communication groove (90887), limiting blocks (908812) are symmetrically arranged in two sides of the third pressing block (90889), and the limiting blocks (908812) are in sliding connection with the limiting grooves (908811).
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| CN202310270812.7A CN116816887B (en) | 2023-03-20 | 2023-03-20 | Gear rack transmission structure |
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| CN202310270812.7A CN116816887B (en) | 2023-03-20 | 2023-03-20 | Gear rack transmission structure |
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| CN116816887B true CN116816887B (en) | 2024-09-17 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578538A (en) * | 2018-12-07 | 2019-04-05 | 深圳市安达工业设计有限公司 | A kind of protection rackwork for small load machinery |
| CN114232739A (en) * | 2021-12-20 | 2022-03-25 | 中山东菱威力电器有限公司 | Gear transmission structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200295801Y1 (en) * | 2002-08-01 | 2002-11-22 | 이종안 | Safety system of vehicle |
| JP5371494B2 (en) * | 2009-03-09 | 2013-12-18 | 三菱重工業株式会社 | Linear movement device |
| CN202897742U (en) * | 2012-08-30 | 2013-04-24 | 广州市京龙工程机械有限公司 | Gear rack driving structure |
| CN212489020U (en) * | 2020-05-19 | 2021-02-09 | 山东女子学院 | A device for teaching children's traditional culture and moral education |
| CN213877182U (en) * | 2021-01-19 | 2021-08-03 | 赤峰学院 | English multimedia learning teaching aid |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578538A (en) * | 2018-12-07 | 2019-04-05 | 深圳市安达工业设计有限公司 | A kind of protection rackwork for small load machinery |
| CN114232739A (en) * | 2021-12-20 | 2022-03-25 | 中山东菱威力电器有限公司 | Gear transmission structure |
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