CN215293351U

CN215293351U - Prevent weighing down and draw by host computer

Info

Publication number: CN215293351U
Application number: CN202121179136.5U
Authority: CN
Inventors: 杨文东
Original assignee: Shouguang Longtian Agriculture Technology Co ltd
Current assignee: Shouguang Longtian Agriculture Technology Co ltd
Priority date: 2021-05-29
Filing date: 2021-05-29
Publication date: 2021-12-24
Anticipated expiration: 2031-05-29

Abstract

The utility model provides a prevent weighing down and be drawn by host computer, including motor and speed reducer, the speed reducer comprises the gear assembly in casing and the casing, the gear assembly includes the input shaft, transmission shaft and output shaft, the input shaft is through the first pinion engagement transmission of first gear wheel with the transmission shaft, the second gear wheel of transmission shaft and the second pinion engagement transmission of output shaft, the both sides of second pinion are equipped with a set of electric suction type stop gear respectively, electric suction type stop gear overlaps on the axle body of output shaft, and the inner wall fixed mounting of electric suction type stop gear's one end and casing, the outside of casing is equipped with the reset power supply case of being connected with electric suction type stop gear electricity, reset power supply case still is connected with the motor electricity, one side of reset power supply case is equipped with reset button. The quilt drawing host machine realizes automatic rolling and releasing of the outer-layer heat-insulating material, reduces the labor intensity of farmers, improves the safety of the quilt drawing host machine by the electric suction type limiting mechanism, and reduces the danger coefficient of the quilt drawing host machine.

Description

Prevent weighing down and draw by host computer

Technical Field

The utility model belongs to the technical field of the curtain is rolled up to the big-arch shelter, in particular to prevent weighing down and draw by host computer.

Background

The quilt drawing machine, also known as a greenhouse quilt drawing machine, is a device for driving thermal insulation materials outside a sunlight greenhouse to be unfolded and folded, and is important agricultural machinery for producing the sunlight greenhouse. The existing quilt pulling machine, especially the front bending arm type quilt pulling machine, can fall down and slide down under the action of gravitational potential energy if power is interrupted in the process of rolling up the heat preservation quilt, so that certain potential safety hazards exist.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent weighing down and draw by host computer has solved the tradition and has drawn by the problem that the host computer outage is tenesmic.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a host machine for preventing a quilt from being pulled comprises a motor and a speed reducer, wherein the speed reducer consists of a shell and a gear assembly inside the shell, the gear assembly comprises an input shaft, a transmission shaft and an output shaft, one end of the input shaft extends to the outside of the shell, a driving wheel used for being connected with the motor is arranged at the end part of the input shaft, two ends of the output shaft extend to the outside of the shell, the input shaft is in meshing transmission with a first small gear arranged on the transmission shaft through a first large gear arranged on the input shaft, the transmission shaft is also provided with a second large gear, and the second large gear is in meshing transmission with a second small gear arranged on the output shaft; the two sides of the second pinion are respectively provided with a group of electric suction type limiting mechanisms, the electric suction type limiting mechanisms are sleeved on the shaft body of the output shaft, one ends of the electric suction type limiting mechanisms are fixedly installed on the inner wall of the shell, the outer side of the shell is provided with a reset power supply box electrically connected with the electric suction type limiting mechanisms, the reset power supply box is further electrically connected with the motor, and one side of the reset power supply box is provided with a reset button.

As a further scheme of the present invention, the electric suction type limiting mechanism includes a ratchet wheel, a ratchet wheel disc, an electromagnet, a permanent magnet and a pawl, the ratchet wheel is fixedly mounted to the output shaft, the ratchet wheel disc is fixedly mounted to the inner wall of the housing, the electromagnet is electrically connected to the reset power supply box, the electromagnet is suspended above the outer ring of the ratchet wheel disc through a bracket, the outer ring of the ratchet wheel disc is provided with a square groove corresponding to the electromagnet, the inner ring of the ratchet wheel disc is provided with a pawl groove corresponding to the square groove, and a communicating chute is provided between the pawl groove and the square groove; the permanent magnet is placed in the square groove, a hinged connecting rod is arranged at the lower end of the permanent magnet, the other end of the connecting rod penetrates through the sliding groove to be hinged with the pawl, the other end of the pawl is installed in a pawl groove of the ratchet wheel disc through a rotating shaft, the pawl can rotate around the rotating shaft, and a plurality of ratchets which are circumferentially distributed and used for being abutted and meshed with the pawl are arranged on the outer ring of the ratchet wheel.

As a further aspect of the present invention, the electromagnet is provided with a plurality of and surrounds the distribution along the outer ring of the ratchet wheel disc, and the plurality of electromagnets are electrically connected with the reset power supply box after being connected in series, and the number of the permanent magnets and the pawls is consistent with the number of the electromagnets.

As a further proposal of the utility model, the ratchet wheel disc, the ratchet wheel and the pawl are made of copper.

As a further scheme of the utility model, the quilt puller host computer still includes the protection casing that is used for covering action wheel and other external driving medium, protection casing fixed mounting is in one side of speed reducer.

As a further scheme of the utility model, the quilt drawing machine host computer still includes the rocking handle, square groove has been seted up to the outside and the tip that wherein one end of transmission shaft extended to the casing, the tip of rocking handle is equipped with the square post that meets with square groove correspondence.

As a further scheme of the utility model, both the transmission shaft and the input shaft stay the inner wall movable mounting that the one end in the casing all passes through ball bearing and casing, input shaft, transmission shaft and output shaft all extend to the outside of casing through mechanical seal.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

1. the quilt drawing host machine realizes automatic rolling and releasing of the outer-layer heat-insulating material, reduces the labor intensity of farmers, improves the safety of the quilt drawing host machine by the electric suction type limiting mechanism, and reduces the danger coefficient of the quilt drawing host machine.

2. The external transmission assembly is covered by the protective cover, so that the rolling of sundries or cables is avoided, and the normal operation of the equipment is ensured.

3. The utility model discloses can be when the outage through rocking handle manually operation, the transmission shaft in the speed reducer extends to the casing outside, and the tip of transmission shaft is equipped with square groove, and the tip of rocking handle is equipped with the square post of butt joint with it, inserts and waves the rocking handle and makes the transmission shaft rotatory, and then drives the rotation of output shaft, easy operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the middle reducer of the present invention.

Fig. 3 is a schematic structural view of the middle electric suction type limiting mechanism of the present invention.

Reference numerals: 1. the device comprises a motor, 2, a reset power supply box, 3, a rocking handle, 4, a speed reducer, 5, a reset button, 6, a protective cover, 7, a driving wheel, 8, a shell, 9, a mechanical seal, 10, a first large gear, 11, an input shaft, 12, a ball bearing, 13, a first small gear, 14, a second large gear, 15, a transmission shaft, 16, a square groove, 17, a square column, 18, an electric suction type limiting mechanism, 19, a second small gear, 20, an output shaft, 21, a ratchet, 22, a ratchet disc, 23, an electromagnet, 24, a permanent magnet, 25, a pawl groove, 26, a square groove, 27, a ratchet, 28, a sliding groove, 29, a connecting rod, 30, a rotating shaft, 31 and a pawl.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the anti-falling quilt pulling host machine comprises a motor 1 and a speed reducer 4, wherein the speed reducer 4 comprises a shell 8 and a gear assembly inside the shell 8, and the gear assembly comprises an input shaft 11, a transmission shaft 15 and an output shaft 20. One end of the input shaft 11 extends to the outside of the housing 8, the end of the input shaft is provided with a driving wheel 7 for connecting the motor 1, the two ends of the output shaft 20 both extend to the outside of the housing 8, the input shaft 11 is in meshing transmission with a first small gear 13 arranged on the transmission shaft 15 through a first large gear 10 arranged, the transmission shaft 15 is also provided with a second large gear 14, and the second large gear 14 is in meshing transmission with a second small gear 19 arranged on the output shaft 20. A group of electric suction type limiting mechanisms 18 are respectively arranged on two sides of the second pinion 19, the electric suction type limiting mechanisms 18 are sleeved on the shaft body of the output shaft 20, and one ends of the electric suction type limiting mechanisms 18 are fixedly installed on the inner wall of the shell 8. The outer side of the shell 8 is provided with a reset power box 2 electrically connected with the electric suction type limiting mechanism 18, the reset power box 2 is also electrically connected with the motor 1, and one side of the reset power box 2 is provided with a reset button 5. The quilt drawing host machine realizes automatic rolling and releasing of the outer-layer heat insulation material, reduces labor intensity of farmers, improves safety of the quilt drawing host machine through the electric suction type limiting mechanism 18, and reduces danger coefficient of the quilt drawing host machine.

As shown in fig. 3, the electric-suction type stopper mechanism 18 includes a ratchet 21, a ratchet plate 22, an electromagnet 23, a permanent magnet 24, and a pawl 31. The ratchet wheel 21 and the output shaft 20 are fixedly installed, the ratchet wheel disc 22 and the inner wall of the shell 8 are fixedly installed, the electromagnet 23 is electrically connected with the reset power box 2, the electromagnet 23 is suspended above the outer ring of the ratchet wheel disc 22 through a support, the outer ring of the ratchet wheel disc 22 is provided with a square groove 26 corresponding to the electromagnet 23, the inner ring of the ratchet wheel disc 22 is provided with a pawl groove 25 corresponding to the square groove 26, and a sliding groove 28 communicated with the square groove 26 is arranged between the pawl groove 25 and the square groove 26. The permanent magnet 24 is placed in the square groove 26, the lower end of the permanent magnet 24 is provided with a hinged connecting rod 29, the other end of the connecting rod 29 penetrates through the sliding groove 28 and is hinged with a pawl 31, the other end of the pawl 31 is installed in a pawl groove 25 of the ratchet wheel disc 22 through a rotating shaft 30, the pawl 31 can rotate around the rotating shaft 30, and the outer ring of the ratchet wheel 21 is provided with a plurality of ratchets 27 which are circumferentially distributed and used for being meshed with the pawl 31 in an abutting mode. The electromagnet 23 attracts or repels the permanent magnet 24, and then the connecting rod 29 drives the pawl 31 to be separated from or abut against the ratchet 27 of the ratchet wheel 21, so that the structure is simple and the response is rapid.

As shown in fig. 3, in order to perform the limiting operation on the output shaft 20 well, a plurality of electromagnets 23 are arranged and distributed around the outer ring of the ratchet wheel disc 22, the plurality of electromagnets 23 are electrically connected with the reset power box 2 after being connected in series, and the number of the permanent magnets 24 and the number of the pawls 31 are the same as the number of the electromagnets 23. In order to avoid the magnetic properties of the electromagnet 23 and the permanent magnet 24 from interfering with other components of the electric-suction type limiting mechanism 18, the ratchet wheel disc 22, the ratchet wheel 21 and the pawl 31 are all made of copper.

As shown in fig. 1 and 2, the main body of the quilt puller further comprises a protective cover 6 for covering the driving wheel 7 and other external transmission parts, and the protective cover 6 is fixedly arranged on one side of the speed reducer 4. The external transmission assembly is covered by the protective cover 6, so that the rolling of sundries or cables is avoided, and the normal operation of the equipment is ensured. The quilt pulling machine host further comprises a rocking handle 3, one end of the transmission shaft 15 extends to the outer side of the shell 8, a square groove 16 is formed in the end portion of the transmission shaft, and a square column 17 correspondingly connected with the square groove 16 is arranged at the end portion of the rocking handle 3. The utility model discloses can be when the outage through rocking handle 3 manual operation, transmission shaft 15 in the speed reducer 4 extends to the 8 outsides of casing, and the tip of transmission shaft 15 is equipped with square groove 16, and the tip of rocking handle 3 is equipped with square post 17 of butt joint with it, inserts and waves rocking handle 3 and makes transmission shaft 15 rotatory, and then drives output shaft 20's rotation, easy operation. One ends of the transmission shaft 15 and the input shaft 11, which are left in the shell 8, are movably mounted with the inner wall of the shell 8 through the ball bearings 12, the input shaft 11, the transmission shaft 15 and the output shaft 20 extend to the outer side of the shell 8 through the mechanical seal 9, and the mechanical seal 9 increases the sealing performance of the speed reducer 4.

The motor 1 is electrically connected with the electromagnet 23 in the electric suction type limiting mechanism 18 after being relayed by the reset power box 2, the magnetic pole of the electromagnet 23 after being electrified is opposite to the original magnetic pole, so that the permanent magnet 24 is separated from the square groove 26 and is adsorbed by the electromagnet 23, the connecting rod 29 is driven to be lifted while the permanent magnet 24 is separated from the square groove 26, the pawl 31 moves upwards around the rotating shaft 30 by the lifted connecting rod 29, the pawl 31 is separated from the ratchet 27 of the ratchet 21 at the moment, and the output shaft 20 normally rotates. After the motor 1 is powered off, the electromagnet 23 is also powered off instantly, the magnetic pole after power off is the same as the original magnetic pole, the same poles of the permanent magnet 24 and the electromagnet 23 repel each other, so that the permanent magnet 24 falls into the square groove 26, the permanent magnet 24 falls into the square groove 26 and simultaneously pushes the connecting rod 29 to fall, the falling connecting rod 29 enables the pawl 31 to move downwards around the rotating shaft 30, the pawl 31 at the moment is clamped on the ratchet 27 of the ratchet wheel 21, the reverse rotation of the output shaft 20 is prevented, and the falling of a host machine is further prevented.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A host machine of an anti-falling quilt-pulling machine comprises a motor (1) and a speed reducer (4), the speed reducer (4) consists of a shell (8) and a gear assembly inside the shell (8), the gear assembly comprises an input shaft (11), a transmission shaft (15) and an output shaft (20), one end of the input shaft (11) extends to the outside of the shell (8) and the end part is provided with a driving wheel (7) used for connecting the motor (1), both ends of the output shaft (20) extend to the outside of the shell (8), the input shaft (11) is in meshing transmission with a first small gear (13) arranged on the transmission shaft (15) through a first large gear (10) arranged on the input shaft, the transmission shaft (15) is also provided with a second large gear (14), and the second large gear (14) is in meshing transmission with a second small gear (19) arranged on the output shaft (20); the method is characterized in that: the two sides of the second pinion (19) are respectively provided with a group of electric suction type limiting mechanisms (18), the electric suction type limiting mechanisms (18) are sleeved on a shaft body of an output shaft (20), one ends of the electric suction type limiting mechanisms (18) are fixedly installed on the inner wall of the shell (8), the outer side of the shell (8) is provided with a reset power box (2) electrically connected with the electric suction type limiting mechanisms (18), the reset power box (2) is further electrically connected with the motor (1), and one side of the reset power box (2) is provided with a reset button (5).

2. The main unit of the anti-drop quilt machine according to claim 1, characterized in that: the electric suction type limiting mechanism (18) comprises a ratchet wheel (21), a ratchet wheel disc (22), an electromagnet (23), a permanent magnet (24) and a pawl (31), the ratchet wheel (21) is fixedly installed with an output shaft (20), the ratchet wheel disc (22) is fixedly installed with the inner wall of the shell (8), the electromagnet (23) is electrically connected with the reset power box (2), the electromagnet (23) is suspended above the outer ring of the ratchet wheel disc (22) through a support, a square groove (26) corresponding to the electromagnet (23) is arranged on the outer ring of the ratchet wheel disc (22), a pawl groove (25) corresponding to the square groove (26) is arranged on the inner ring of the ratchet wheel disc (22), a communicated sliding groove (28) is arranged between the pawl groove (25) and the square groove (26), the permanent magnet (24) is placed in the square groove (26), a connecting rod (29) hinged to the lower end of the permanent magnet (24) is arranged, the other end of the connecting rod (29) penetrates through the sliding groove (28) and is hinged to a pawl (31), the other end of the pawl (31) is installed in a pawl groove (25) of the ratchet wheel disc (22) through a rotating shaft (30), the pawl (31) can rotate around the rotating shaft (30), and a plurality of circumferentially distributed ratchets (27) which are meshed with the pawl (31) in an abutting mode are arranged on the outer ring of the ratchet wheel (21).

3. The main unit of the anti-drop quilt machine according to claim 2, characterized in that: the electromagnets (23) are arranged and distributed along the outer ring of the ratchet wheel disc (22) in a surrounding mode, the electromagnets (23) are electrically connected with the reset power supply box (2) after being connected in series, and the number of the permanent magnets (24) and the number of the pawls (31) are the same as that of the electromagnets (23).

4. The main unit of the anti-drop quilt machine according to claim 2, characterized in that: the ratchet wheel disc (22), the ratchet wheel (21) and the pawl (31) are all made of copper.

5. The main unit of the anti-drop quilt machine according to claim 1, characterized in that: the quilt pulling machine host machine further comprises a protective cover (6) used for covering the driving wheel (7) and other external transmission parts, and the protective cover (6) is fixedly installed on one side of the speed reducer (4).

6. The main unit of the anti-drop quilt machine according to claim 1, characterized in that: the quilt puller host machine further comprises a rocking handle (3), wherein one end of the transmission shaft (15) extends to the outer side of the shell (8), the end part of the transmission shaft is provided with a square groove (16), and the end part of the rocking handle (3) is provided with a square column (17) correspondingly connected with the square groove (16).

7. The main unit of the anti-drop quilt machine of claim 6, wherein: one ends of the transmission shaft (15) and the input shaft (11) which are left in the shell (8) are movably mounted with the inner wall of the shell (8) through ball bearings (12), and the input shaft (11), the transmission shaft (15) and the output shaft (20) extend to the outer side of the shell (8) through mechanical seals (9).