CN219886707U - Gate stall holding structure - Google Patents

Abstract

The utility model relates to the technical field of gates, in particular to a gate stall enclasping structure, which comprises a fixed frame, wherein a gate plate is arranged in the fixed frame in a lifting and sliding manner, an installation groove is formed in the side edge of the gate plate, a stall detection transmission mechanism and an enclasping mechanism connected with the stall detection transmission mechanism are arranged in the installation groove, the fixed shaft is driven to rotate at a high speed by accelerating downward movement when the gate stall occurs, so that the technical effect that a poking wheel continuously pushes a sliding strip to move downward is realized, power is provided for unidirectional continuous rotation of a unidirectional pusher, the unidirectional pusher is utilized to push a friction-increasing eccentric disc to rotate to contact with the fixed frame in a friction-increasing manner, the downward movement speed of the gate is reduced, and the effect similar to stepping on braking and decelerating is achieved.

Description

Gate stall holding structure

Technical Field

The utility model relates to the technical field of gates, in particular to a gate stall enclasping structure.

Background

The flashboard of many gates goes up and down automatically through electrical control equipment, if use the hoist equipment of being connected with the flashboard, possibly lead to the stall of gate when equipment breaks down to make the gate stall drop, cause the damage easily, detect the gate stall condition at present and carry out speed detection according to electronic sensing components more, but electronic components takes place to damage easily under this kind of high humidity environment of gate, consequently need a gate stall to hug closely the structure, realize the detection of gate stall and hug closely of gate through mechanical structure transmission.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the scheme provides a gate stall enclasping structure, which is achieved by the following specific technical means: comprises a fixed frame, a flashboard is arranged in the fixed frame in a lifting and sliding manner, a mounting groove is formed in the side edge of the flashboard, a stall detection transmission mechanism and a holding mechanism connected with the stall detection transmission mechanism are arranged in the mounting groove, the stall detection transmission mechanism comprises a fixed shaft, a contact wheel, a poking wheel, a sliding bar and a spring I, the fixed shaft rotates in the mounting groove, the contact wheel is sleeved on the fixed shaft and contacts with the side wall of the fixed frame, the poking wheel is sleeved on the fixed shaft, the sliding bar is slidably arranged in the mounting groove, the spring I is arranged between a support and the sliding bar in the mounting groove, a plurality of teeth are formed on the sliding bar, poking teeth are arranged on the side edge of the poking wheel, the poking teeth are inserted into a group of teeth to push the sliding bar to move when the fixed shaft rotates, the contact wheel rotates on the fixed frame when the flashboard moves downwards, the enclasping mechanism comprises a grinding eccentric disc, a unidirectional pusher, a mounting shaft and a connecting rack, wherein the mounting shaft is rotationally arranged in a mounting groove, the connecting rack is arranged on a sliding bar and meshed with a connecting gear sleeved on the mounting shaft, the grinding eccentric disc is rotationally arranged in the mounting groove, one side close to the mounting shaft is provided with a concave circular groove, the circumference of the inner wall of the concave circular groove is provided with a plurality of groups of concave teeth, the unidirectional pusher is sleeved on the mounting shaft and positioned in the concave circular groove, the unidirectional pusher is driven to rotate in the concave circular groove when the sliding bar moves downwards and is meshed with the concave teeth to drive the grinding eccentric disc to rotate unidirectionally, when a gate moves downwards normally, the rotating speed of the fixed shaft is lower, and when the stirring teeth are inserted into a group of teeth and separated from the teeth, the sliding bar drives the unidirectional pusher to rotate, at this time, the rotation amount of the unidirectional pusher cannot drive the unidirectional pusher to move into the concave teeth of the other group of the friction-increasing eccentric disc, at this time, as the poking teeth are separated from the sliding strip, the other group of poking teeth cannot be meshed with the teeth, the sliding strip moves upwards to reset under the rebound of the first spring, only when the fixed shaft rotates at a high speed, the poking teeth are driven to quickly contact with the sliding strip, and under the condition that the first spring does not retract yet, the poking teeth of the next group start to contact with the sliding strip, so that the sliding strip is driven to continuously move downwards, and the unidirectional pusher is pulled to smoothly slide into the concave teeth of the next group.

The sliding bar is characterized in that a convex plate is arranged on one side of the sliding bar, the top end of the convex plate is smoothly connected with the top end of the sliding bar through an inclined plane, a spring III is arranged between the poking wheel and the poking wheel, the poking teeth arranged on the poking wheel can be inserted into teeth on the sliding bar when the poking wheel rotates in an initial state, the poking wheel can drive the sliding bar to continuously move downwards when the fixing shaft rotates at a high speed, the poking teeth on the poking wheel move downwards to be contacted with the top surface of the sliding bar, the poking teeth can slide onto the convex plate along the inclined plane connected between the sliding bar and the top of the convex plate and are contacted with the side edge of the convex plate, the poking wheel can compress the spring III in the process to be close to the contact wheel, the poking teeth are separated from the sliding bar, and the unidirectional pusher after the spring I is quickly rebounded to drive the rotating is rotated to reset, and the eccentric disc is pushed to rotate in the process of rotating reset to enable the convex part of the eccentric disc to extend out of the mounting groove to be contacted with the wall of the fixing frame.

The first preferred technical scheme is as follows: the one-way pusher is characterized in that a telescopic clamping head is arranged on the one-way pusher, the concave teeth are vertical surfaces on one side and inclined surfaces on the other side, when the one-way pusher is driven to rotate inwards by a downward moving sliding bar, the telescopic clamping head slides to the other group of concave teeth along the inclined surfaces of the group of concave teeth, the telescopic clamping head contracts in the process and slides into the other group of concave teeth smoothly, and the telescopic clamping head stretches, so that the one-way pusher can only push the grinding eccentric disc to rotate unidirectionally, when the sliding bar moves downwards continuously, the one-way pusher drives the grinding eccentric disc to rotate, the convex part of the grinding eccentric disc stretches out of a mounting groove and is in pressing contact with the fixed frame, the downward moving speed of the flashboard is slowed down by increasing the friction resistance between the flashboard and the fixed frame, and long-time stall is avoided.

And the second preferred technical scheme is as follows: the unidirectional pusher comprises a fixed seat arranged on the mounting shaft, a channel groove is formed in the fixed seat, the telescopic clamping head is arranged in the channel groove, the telescopic clamping head comprises a clamping head and a second spring, the second spring is arranged in the channel groove, and the clamping head is arranged on the second spring and penetrates through the channel groove in a sliding manner to be clamped into the concave tooth.

And the preferred technical scheme is as follows: the utility model discloses a wear-resisting eccentric disc, including installation cell wall, the installation cell wall is equipped with one-way limiter on, one-way limiter includes cover dish, fixed cover, inserted bar, spring IV, fixed pad, long gear, telescopic link and power rack, the cover dish cover is located on the center pin of wear-resisting eccentric disc, fixed cover is located on the mounting cell inner wall, the rotatory slip of inserted bar runs through fixed cover bottom and inserts in the multiunit jack that the cover dish periphery side was seted up in a set of, bottom one side of inserted bar is the inclined plane, the cover dish rotates if towards inserted bar bottom inclined plane direction rotation can push up the inserted bar through with inserted bar bottom inclined plane sliding contact for the cover dish can rotate, otherwise if the cover dish wants to rotate to the vertical side of inserted bar bottom, then inserted hole wall and the vertical side of inserted bar bottom bump separate the shelves, be difficult to rotate, the fixed pad rotation cover is located on the inserted bar and in with the fixed cover, between fixed cover wall and the fixed pad are located to the long gear cover, the telescopic link is located in the mounting cell and telescopic link is connected with power, power and the telescopic link passes through the telescopic link of telescopic link bottom orientation of telescopic link.

The preferable technical scheme is as follows: the clamping connector is a ferromagnetic block, an electromagnet is arranged in the fixing seat, and after maintenance is finished, the clamping connector can be adsorbed to move inwards in the channel groove through electrifying the electromagnet, so that the occlusion state with the concave teeth is relieved.

Adopt above-mentioned structure to make this scheme possess following beneficial effect:

1. the fixed shaft is driven to rotate at a high speed by accelerating downward movement when the gate stalls, so that the technical effect that the poking wheel continuously pushes the sliding bar to move downward is achieved, power is provided for unidirectional continuous rotation of the unidirectional pusher, the unidirectional pusher is utilized to push the grinding eccentric disc to rotate to be in grinding contact with the fixed frame, the downward movement speed of the gate is reduced, and the effect similar to stepping on braking and decelerating is achieved.

2. The detection of gate stall and the enclasping fixation of the gate are realized by utilizing mechanical structure transmission, and compared with an electronic component detection mode, the gate stall detection device is better in stability and does not need frequent testing.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present solution;

FIG. 2 is a schematic diagram of the shutter plate;

FIG. 3 is a schematic structural view of the stall detection transmission mechanism and the hugging mechanism according to the scheme;

fig. 4 is a schematic structural view of the unidirectional restrictor according to the present embodiment.

Wherein, 1, a fixed frame, 2, a flashboard, 3, a mounting groove, 4, a fixed shaft, 5, a contact wheel, 6, a poking wheel, 7, a sliding bar, 8, a spring I, 9, a tooth, 10, poking teeth, 11, a grinding eccentric disc, 12, a unidirectional pusher, 13, a mounting shaft, 14, a connecting rack, 15, a concave tooth, 16 and a convex plate, 17, springs III, 18, telescopic chucks, 19, a fixed seat, 20, a clamping connector, 21, a connecting gear, 22, a fixed rail, 23, a sleeve disk, 24, a fixed cover, 25, a plug rod, 26, springs IV, 27, a fixed pad, 28, a long gear, 29, a telescopic rod, 30, a power rack, 31, a support, 32 and an inserting hole.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the gate stall enclasping structure comprises a fixed frame 1, wherein a gate plate 2 is arranged in the fixed frame 1 in a lifting and sliding manner, a mounting groove 3 is formed in the side edge of the gate plate 2, and a stall detection transmission mechanism and an enclasping mechanism connected with the stall detection transmission mechanism are arranged in the mounting groove 3.

The stall detection transmission mechanism comprises a fixed shaft 4, a contact wheel 5, a poking wheel 6, a sliding bar 7 and a spring I8, wherein the fixed shaft 4 rotates in a mounting groove 3, the contact wheel 5 is sleeved on the fixed shaft 4 and is in contact with the side wall of the fixed frame 1, the poking wheel 6 is sleeved on the fixed shaft 4, the sliding bar 7 is slidably arranged in the mounting groove 3, a support 31 is connected in the mounting groove 3, the spring I8 is arranged between the support 31 and the sliding bar 7, a row of teeth 9 is arranged on the sliding bar 7, three poking teeth 10 are arranged on the periphery of the poking wheel 6, when the fixed shaft 4 rotates, the poking teeth 10 are inserted into one group of teeth 9 to push the sliding bar 7 to move, and when the flashboard 2 moves downwards, the contact wheel 5 rotates on the fixed frame 1 so as to drive the poking wheel 6 to rotate.

The enclasping mechanism comprises an enhanced grinding eccentric disc 11, a one-way pusher 12, a mounting shaft 13 and a connecting rack 14, wherein the mounting shaft 13 is rotationally arranged in the mounting groove 3, the connecting rack 14 is connected on the sliding bar 7 and meshed with a connecting gear 21 sleeved on the mounting shaft 13, the enhanced grinding eccentric disc 11 is rotationally arranged in the mounting groove 3, one side close to the mounting shaft 13 is provided with an inner concave circular groove, the periphery of the inner wall of the inner concave circular groove is provided with a plurality of groups of inner concave teeth 15, the one-way pusher 12 is sleeved on the mounting shaft 13 and positioned in the inner concave circular groove, and the one-way pusher 12 is driven to rotate in the inner concave circular groove when the sliding bar 7 moves downwards and is meshed with the inner concave teeth 15 to drive the enhanced grinding eccentric disc 11 to rotate unidirectionally.

Referring to fig. 3, in the gate stall enclasping structure, a convex plate 16 is disposed on one side of the sliding bar 7, the top end of the convex plate 16 is smoothly connected with the top end of the sliding bar 7 through an inclined plane, a thumb wheel 6 is disposed on the fixed shaft 4, and a spring III 17 is disposed between the thumb wheel 6 and the contact wheel 5.

Referring to fig. 3, in the gate stall enclasping structure, a telescopic chuck 18 is disposed on the unidirectional pusher 12, one side of the concave teeth 15 is a vertical surface, the other side is an inclined surface, when the unidirectional pusher 12 is driven to rotate inwards by the sliding bar 7 moving downwards, the telescopic chuck 18 slides along the inclined surface of one group of concave teeth 15 to the other group of concave teeth 15, in the process, the telescopic chuck 18 contracts, and when the unidirectional pusher 12 slides into the other group of concave teeth 15 smoothly, the telescopic chuck 18 stretches, so that the unidirectional pusher 12 can only push the grinding eccentric disc 11 to rotate unidirectionally; the unidirectional pusher 12 comprises a fixed seat 19 arranged on the mounting shaft 13, a channel groove is formed in the fixed seat 19, the telescopic clamping head 18 is arranged in the channel groove, the telescopic clamping head 18 comprises a clamping head 20 and a spring II, the spring II is arranged in the channel groove, and the clamping head 20 is arranged on the spring II and penetrates through the channel groove in a sliding manner to be clamped into the concave tooth 15; the telescopic clamping heads 18 are arranged on two sides of the fixing seat 19.

Referring to fig. 3, in the gate stall holding structure, a fixed rail 22 is disposed in the mounting groove 3, and the sliding bar 7 is slidably disposed in the fixed rail 22.

Referring to fig. 4, a gate stall enclasping structure is provided with a unidirectional limiter on the wall of a mounting groove 3, the unidirectional limiter comprises a sleeve disk 23, a fixed cover 24, an inserting rod 25, a spring IV 26, a fixed pad 27, a long gear 28, a telescopic rod 29 and a power rack 30, the sleeve disk 23 is sleeved on the central shaft of the friction-increasing eccentric disk 11, a plurality of inserting holes 32 are formed in the periphery of the sleeve disk 23, the fixed cover 24 is arranged on the inner wall of the mounting groove 3, the inserting rod 25 rotationally slides to penetrate through the bottom end of the fixed cover 24 and is inserted into one inserting hole 32 of the sleeve disk 23, one side of the bottom end of the inserting rod 25 is an inclined surface, when the sleeve disk 23 rotates, if the sleeve disk 23 rotates towards the direction of the inclined surface of the bottom end of the inserting rod 25, the inserting rod 25 can be pushed up through sliding contact with the inclined surface of the bottom end of the inserting rod 25, so that the sleeve disk 23 can rotate, otherwise, if the sleeve disk 23 wants to rotate towards the vertical side of the bottom end of the inserting rod 25, the inserting hole wall collides with the vertical side of the inserting rod 25, the fixed pad 27 is difficult to rotate, the inserting hole is sleeved on the inserting rod 25 and is arranged in the fixed cover 24, the spring IV 26 is arranged between the wall of the fixed cover 24 and the fixed cover, and the inserting hole 27, and the inserting hole is meshed with the telescopic rod 29, and the power rack 30 is arranged in the power rack 30.

Referring to fig. 3, in the gate stall holding structure, the clamping connector 20 is a ferromagnetic block, and an electromagnet is disposed in the fixing seat 19.

The concrete use process of the gate stall holding structure comprises the following steps: when the gate moves down normally, the rotation speed of the fixed shaft 4 is lower, when the toggle teeth 10 are inserted into one group of teeth 9 and separated from the teeth 9, the sliding bar 7 drives the unidirectional pusher 12 to rotate, at this time, the rotation amount of the unidirectional pusher 12 cannot drive the unidirectional pusher 12 to move into the other group of concave teeth 15 of the eccentric wheel 11 for grinding, at this time, because the toggle teeth 10 are separated from the sliding bar 7, the other group of toggle teeth 10 are not meshed with the teeth 9 yet, the sliding bar 7 moves up and resets under the rebound of the spring one 8, only when the fixed shaft 4 rotates at a high speed, the toggle teeth 10 are driven to be in contact with the sliding bar 7 quickly, under the condition that the spring one 8 does not come into contact with the sliding bar 7 yet, the next group of toggle teeth 10 start to be in contact with the sliding bar 7 again, thereby driving the sliding bar 7 to move down continuously, and then pulling the unidirectional pusher 12 to slide into the next group of concave teeth 15, when the toggle teeth 10 move down on the sliding bar 7 to the sliding bar 6 are in contact with the sliding bar 7, the top surface of the sliding bar 10, the toggle teeth 10 can move up along the inclined surface 16 connected with the top of the sliding bar 7 and the convex plate 16, the sliding bar 16 moves up to the inclined surface of the sliding bar 16, and the sliding bar 16 moves down the inclined surface of the sliding bar 16 is driven by the rotary bar 11 to rotate towards the side face 3, the side face of the eccentric wheel 11 is pushed down, and the sliding bar 11 is contacted with the rotary bar 11 is arranged in a side face 3, the rotary groove 3 is set, and the end face is contacted with the rotary groove 3 is rotated, and the end face 3 is rotated, and the end is contacted with the end 3 is moved down, and the end 3 is moved down 3 is moved to rotate.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a gate stall enclasping structure, includes fixed frame (1), lift slip is equipped with flashboard (2), its characterized in that in fixed frame (1): the device comprises a flashboard (2), wherein a mounting groove (3) is formed in the side edge of the flashboard (2), a stall detection transmission mechanism and a holding mechanism connected with the stall detection transmission mechanism are arranged in the mounting groove (3), the stall detection transmission mechanism comprises a fixed shaft (4), a contact wheel (5), a poking wheel (6), a sliding bar (7) and a first spring (8), the fixed shaft (4) rotates in the mounting groove (3), the contact wheel (5) is sleeved on the fixed shaft (4) and is contacted with the side wall of the fixed frame (1), the poking wheel (6) is sleeved on the fixed shaft (4), the sliding bar (7) is slidingly arranged in the mounting groove (3), the first spring (8) is arranged between a support in the mounting groove (3) and the sliding bar (7), a row of teeth (9) are formed in the sliding bar (7), poking teeth (10) are arranged on the periphery of the poking wheel (6), and when the fixed shaft (4) rotates, the poking wheel (10) is inserted into a group of teeth (9) to push the sliding bar (7), and the sliding wheel (1) rotates downwards, so that the flashboard (1) is driven to rotate; the enclasping mechanism comprises an enhanced grinding eccentric disc (11), a unidirectional pusher (12), a mounting shaft (13) and a connecting rack (14), wherein the mounting shaft (13) is rotationally arranged in a mounting groove (3), the connecting rack (14) is connected on a sliding bar (7) and meshed with a connecting gear (21) sleeved on the mounting shaft (13), the enhanced grinding eccentric disc (11) is rotationally arranged in the mounting groove (3) and is provided with a concave circular groove at one side close to the mounting shaft (13), a plurality of groups of concave teeth (15) are arranged on the circumferential side of the inner wall of the concave circular groove, the unidirectional pusher (12) is sleeved on the mounting shaft (13) and is positioned in the concave circular groove, the unidirectional pusher (12) is driven to rotate in the concave circular groove when the sliding bar (7) moves downwards and is meshed with the concave teeth (15) to drive the enhanced grinding eccentric disc (11) to rotate unidirectionally, when the gate moves normally downwards, the pushing wheel downwards pushes the sliding bar (7) to move downwards, the unidirectional pusher (12) is not driven to move downwards until the concave teeth (10) are contacted with the concave circular groove (7), the abrasive bar (7) is contacted with the concave teeth (10) rapidly, and the abrasive bar (10) is in a state, thereby driving the sliding bar (7) to continuously move downwards, and further pulling the unidirectional pusher (12) to smoothly slide into the next group of concave teeth (15).

2. A gate stall enclasping structure in accordance with claim 1 wherein: the utility model provides a wear-resistant grinding wheel, including fixed axle (4), sliding bar (7), protruding bar (16) are provided with one side, protruding bar (16) are provided with on top smooth connection on top of protruding bar (16) through the inclined plane, driving wheel (6) are provided with spring three (17) between driving wheel (6) and contact wheel (5) on fixed axle (4), during fixed axle (4) high-speed rotation, driving wheel (6) can drive sliding bar (7) and move down in succession when stirring tooth (10) on driving wheel (6) move down and the top surface contact of sliding bar (7), stirring tooth (10) can slide to protruding bar (16) side contact along the inclined plane that is connected between sliding bar (7) and protruding bar (16) top, in this process driving wheel (6) can compress spring three (17) be close to contact wheel (5) for stirring tooth (10) and sliding bar (7) and move down in succession, when spring one (8) drive rebound ware (12) and push away from reset frame (11) to rotate in a reset, reset and place and rotate in the fixed part and extend out of grinding wheel (1) and rotate from the side of the grinding wheel.

3. A gate stall enclasping structure in accordance with claim 2 wherein: be provided with flexible dop (18) on unidirectional pusher (12), indent tooth (15) are one side and are the vertical plane, and the opposite side is the inclined plane, when unidirectional pusher (12) are driven inwards by slider (7) of downshifting, flexible dop (18) are along the inclined plane of a set of indent tooth (15) to another set of indent tooth (15) slip, in this process flexible dop (18) shrink, and flexible dop (18) stretch when sliding into another set of indent tooth (15) smoothly.

4. A gate stall holding arrangement as claimed in claim 3 wherein: the unidirectional pusher (12) comprises a fixed seat (19) arranged on the mounting shaft (13), a channel groove is formed in the fixed seat (19), the telescopic clamping head (18) is arranged in the channel groove, the telescopic clamping head (18) comprises a clamping head (20) and a spring II, the spring II is arranged in the channel groove, and the clamping head (20) is arranged on the spring II and penetrates through the channel groove in a sliding manner to be clamped into the concave tooth (15).

5. The gate stall holding structure of claim 4 wherein: the wall of the mounting groove (3) is provided with a one-way limiter which comprises a sleeve disc (23), a fixed cover (24), an inserting rod (25), a spring IV (26), a fixed pad (27), a long gear (28), a telescopic rod (29) and a power rack (30), wherein the sleeve disc (23) is sleeved on the central shaft of the grinding eccentric disc (11), the fixed cover (24) is arranged on the inner wall of the mounting groove (3), the inserting rod (25) rotationally and slidingly penetrates through the bottom end of the fixed cover (24) to be inserted into one group of a plurality of groups of jacks formed in the periphery of the sleeve disc (23), one side of the bottom end of the inserting rod (25) is an inclined plane, when the sleeve disc (23) rotates, if the sleeve disc (23) rotates towards the inclined plane direction of the bottom end of the inserting rod (25), the inserting rod (25) can be pushed upwards through sliding contact with the inclined plane of the bottom end of the inserting rod (25), the fixed pad (27) is rotationally sleeved on the inserting rod (25) and is arranged in the fixed cover (24), the spring IV (26) is fixedly arranged between the wall of the inserting rod (25) and the telescopic rod (28) and the top end of the telescopic rod (30), the power rack (30) is meshed with the long gear (28).

6. The gate stall holding structure of claim 4 wherein: an electromagnet is arranged in the fixing seat (19), and after the electromagnet is electrified, the clamping connector (20) can be adsorbed to move inwards into the channel groove, so that the clamping state of the concave teeth (15) is released.