CN213805264U

CN213805264U - Gate opening and closing mechanism

Info

Publication number: CN213805264U
Application number: CN202022836191.9U
Authority: CN
Inventors: 卢铭
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-27
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses an opening and closing mechanism of gate belongs to gate headstock gear field, solves traditional gate and leads to the problem of damage because of mechanical collision easily. This operating mechanism includes portal frame and arm-tie, the portal frame top be equipped with lifting unit, the arm-tie be located the both sides of gate, the arm-tie be connected with lifting unit, both ends all are equipped with the diaphragm about the arm-tie, the other end of diaphragm is equipped with the connecting plate, the connecting plate other end be equipped with the guiding axle, portal frame both sides inner wall be equipped with the guided way, guiding axle slidable mounting in the guided way, the middle part of diaphragm still is equipped with the montant, the fixed backup pad that is equipped with in both sides of gate, montant activity interlude in the backup pad, and the fixed limiting plate that is equipped with in bottom of montant, the cover is equipped with buffer spring on the montant between limiting plate and the backup pad. The utility model discloses a gate hoist mechanism can cushion the gate, effectively prevents the gate and leads to the problem of damage because of mechanical impact.

Description

Gate opening and closing mechanism

Technical Field

The utility model relates to a gate headstock gear, more specifically say, it relates to an operating mechanism of gate.

Background

The gates used in industrial facilities are generally heavy, and therefore, mechanical driving devices are mostly used to control the opening and closing of the gates. For the opening and closing of the medium-large gate, a motor-driven transmission mechanism is mostly adopted to drive the gate to lift at present, or a hydraulic machine is adopted to drive the gate to lift, the existing opening and closing mechanism with buffer protection is relatively lacked, and as the weight of the gate is very large and the inertia potential energy is large, mechanical impact cannot be avoided in the moment of lifting or lowering, and the problems of large potential safety hazard and poor equipment durability exist. Therefore, it is necessary to develop a new gate opening and closing mechanism.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, and its purpose provides the starting and stopping mechanism of a gate, can cushion the gate, effectively prevents the gate because of the problem that mechanical impact leads to the damage.

The technical scheme of the utility model is like this: an opening and closing mechanism of a gate comprises a portal frame and pull plates, wherein lifting assemblies are arranged at the top of the portal frame, the pull plates are located on two sides of the gate, the pull plates are connected with the lifting assemblies, transverse plates are arranged at the upper end and the lower end of each pull plate, a connecting plate is arranged at the other end of each transverse plate, a guide shaft is arranged at the other end of each connecting plate, guide rails are arranged on the inner walls of two sides of the portal frame, the guide shafts are slidably mounted in the guide rails, vertical rods are further arranged in the middle of the transverse plates, supporting plates are fixedly arranged on two sides of the gate, the vertical rods movably penetrate through the supporting plates, limiting plates are fixedly arranged at the bottoms of the vertical rods, and buffer springs are sleeved on the vertical rods between the limiting plates and the supporting plates; and a support component is also arranged between the gate and the portal frame.

As a further improvement, the pulling plate and the transverse plate are movably arranged on two sides of the gate, two ends of the transverse plate are respectively hinged with the pulling plate and the connecting plate, and the vertical rod is hinged with the transverse plate.

Furthermore, the lifting assembly comprises a driving motor, a winding shaft and two steel wire ropes, the driving motor is installed at the top of the gantry, the winding shaft is fixed at the output end of the driving motor, one end of each steel wire rope is fixedly connected with the winding shaft, and the other end of each steel wire rope is fixedly connected with the pull plate.

Furthermore, guide plates are further arranged at two ends of the winding shaft, and the steel wire rope is connected with the winding shaft between the two guide plates.

Furthermore, supports are further arranged at two ends of the top of the gantry, guide wheels are rotatably arranged on the supports, the positions of the guide wheels correspond to those of the pulling plate, and the steel wire ropes are attached to the guide wheels.

Further, the supporting component comprises a supporting cylinder and a supporting inclined plate, the supporting inclined plate is fixed on the front side of the middle of the portal frame, the supporting cylinder is fixedly connected with the side wall of the gate through a fixing shaft, the supporting cylinder is connected with the fixing shaft through a bearing, and the supporting cylinder is located right above the supporting inclined plate.

Furthermore, the front of the upper part and the lower part of the portal frame are respectively provided with a first travel switch and a second forming switch, and one side of the bottom of the gate is provided with an induction rod corresponding to the first travel switch and the second travel switch.

Advantageous effects

Compared with the prior art, the utility model, have following advantage:

the utility model discloses a gate opening and closing mechanism, through set up arm-tie, diaphragm, montant and buffer spring etc. in the gate both sides, when the gate rises, the lifting unit pulling arm-tie, the arm-tie drives diaphragm, montant rebound, realizes pulling the gate rebound and opens, and in this process, buffer spring extrudees backup pad and limiting plate, drives the gate and rises, and simultaneously in the gate atress instant, buffer spring plays the effect of buffering to the gate; when the gate descends, the lifting component resets, and the gate moves downwards under the action of self gravity, so that the gate is closed, and when the gate descends to the right place and contacts with the industrial equipment body, the buffer spring plays a role in buffering the gate, so that the gate can be buffered in the opening and closing process, the problem that the gate is damaged due to mechanical impact is effectively prevented, and the service life of the gate is effectively prolonged.

Drawings

FIG. 1 is a schematic view of the knot structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the side view structure of the present invention;

fig. 4 is the utility model discloses well rolling axle look sideways at the enlarged schematic diagram of structure.

Wherein: 1-portal frame, 2-gate, 3-pulling plate, 4-transverse plate, 5-connecting plate, 6-guiding shaft, 7-guiding rail, 8-vertical rod, 9-supporting plate, 10-limiting plate, 11-buffer spring, 12-driving motor, 13-winding shaft, 14-steel wire rope, 15-guiding plate, 16-bracket, 17-guiding wheel, 18-supporting cylinder, 19-supporting inclined plate, 20-first travel switch, 21-second travel switch and 22-induction rod.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1-4, the opening and closing mechanism of a gate of the present invention comprises a portal frame 1 and a pulling plate 3, wherein the portal frame 1 is erected above an industrial device, a lifting assembly is arranged on the top of the portal frame 1, the pulling plate 3 is arranged on both sides of the gate 2, the pulling plate 3 is connected with the lifting assembly, a transverse plate 4 is arranged on both upper and lower ends of the pulling plate 3, a connecting plate 5 is arranged on the other end of the transverse plate 4, a guide shaft 6 is arranged on the other end of the connecting plate 5, guide rails 7 are arranged on inner walls on both sides of the portal frame 1, the guide shaft 6 is slidably mounted in the guide rails 7, a guiding function for lifting the gate 2 is achieved through the sliding fit of the guide shaft 6 and the guide rails 7, a vertical rod 8 is further arranged in the middle of the transverse plate 4, support plates 9 are fixedly arranged on both sides of the gate 2, wherein the vertical rod 8 is movably inserted in the support plates 9, and a limit plate 10 is fixedly arranged at the bottom of the vertical rod 8, a buffer spring 11 is sleeved on the vertical rod 8 between the limiting plate 10 and the supporting plate 9.

The utility model discloses a gate opening and closing mechanism, through set up arm-tie 3, diaphragm 4, montant 8 and buffer spring 11 etc. in gate 2 both sides, when gate 2 rose, lifting unit pulled arm-tie 3, and arm-tie 3 drove diaphragm 4, montant 8 and moved upwards, realized pulling gate 2 and moved upwards and opened, and in this process, buffer spring 11 extruded backup pad 9 and limiting plate 10, drove gate 2 and rose, and at the moment of gate 2 atress simultaneously, buffer spring 11 played the effect of buffering to gate 2; when gate 2 descends, lifting unit resets, and gate 2 moves down under self action of gravity, realizes that gate 2 closes, and in the twinkling of an eye with the contact of industrial equipment body when gate 2 descends to target in place, buffer spring 11 plays the effect of buffering to gate 2 for gate 2 is opening, the in-process of closing, and the homoenergetic enough cushions the gate, effectively prevents the gate because of the problem that mechanical impact leads to the damage, effectively prolongs the life of gate.

Preferably, a support assembly is further arranged between the gate 2 and the portal frame 1. The supporting component comprises a supporting barrel 18 and a supporting inclined plate 19, wherein the supporting inclined plate 19 is fixed on the front surface of the middle part of the portal frame 1, the supporting barrel 18 is fixedly connected with the side wall of the gate 2 through a fixing shaft, the supporting barrel 18 is connected with the fixing shaft through a bearing, and the supporting barrel 18 is positioned right above the supporting inclined plate 19. When the gate 2 descends, the supporting cylinder 18 slides on the supporting sloping plate 19, and when the gate 2 descends in place, the supporting cylinder 18 is supported on the supporting sloping plate 19, so that the gate 2 is supported, and the stability of the gate 2 in use is improved.

Preferably, arm-tie 3, diaphragm 4 are all movable mounting in the both sides of

gate

2, and 4 both ends of diaphragm are articulated with arm-tie 3, connecting plate 5 respectively, and montant 8 is articulated with diaphragm 4, and its flexible connection's mode for the gate 2 rises, the buffering effect that descends is better, further reduces the damage that mechanical collision and brought.

Preferably, the lifting assembly comprises a driving motor 12, a winding shaft 13 and two steel wire ropes 14, wherein the driving motor 12 is installed at the top of the portal frame 1, the winding shaft 13 is fixed at the output end of the driving motor 12, one end of each steel wire rope 14 is fixedly connected with the winding shaft 13, and the other end of each steel wire rope 14 is fixedly connected with the pull plate 3. When the gate is used, the driving motor 12 works to drive the winding shaft 13 to rotate, so that the two steel wire ropes 14 are wound on the winding shaft 13, and the steel wire ropes 14 drive the gate 2 to ascend. Further, guide plates 15 are further arranged at two ends of the winding shaft 13, wherein the steel wire rope 14 is connected with the winding shaft 13 between the two guide plates 15, and the steel wire rope 14 is prevented from falling off. Furthermore, supports 16 are further arranged at two ends of the top of the portal frame 1, guide wheels 17 are rotatably arranged on the supports 16, the positions of the guide wheels 17 correspond to those of the pulling plates 3, and the steel wire ropes 14 are attached to the guide wheels 17 to guide the steel wire ropes 14, so that the steel wire ropes 14 can vertically pull the gate 2, and the lifting stability of the gate is improved

Preferably, a first travel switch 20 and a second forming switch 21 are respectively arranged on the front surfaces of the upper portion and the lower portion of the gantry 1, an induction rod 22 corresponding to the first travel switch 20 and the second travel switch 21 is arranged on one side of the bottom of the gate 2, and both the first travel switch 20 and the second travel switch 21 are electrically connected with the driving motor 12. In the lifting process of the gate 2, when the first travel switch 20 senses the induction rod 22, the gate 2 is lifted to the right position, and the driving motor 12 stops working; when the second travel switch 21 senses the sensing rod 22, the gate descends to the right position, and the driving motor 12 stops working again, so that the gate is controlled to ascend and descend to the right position conveniently.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. The opening and closing mechanism of the gate is characterized by comprising a portal frame (1) and pull plates (3), wherein a lifting assembly is arranged at the top of the portal frame (1), the pull plates (3) are positioned at two sides of the gate (2), the pull plates (3) are connected with the lifting assembly, transverse plates (4) are arranged at the upper ends and the lower ends of the pull plates (3), a connecting plate (5) is arranged at the other end of each transverse plate (4), a guide shaft (6) is arranged at the other end of each connecting plate (5), guide rails (7) are arranged on the inner walls of two sides of the portal frame (1), the guide shafts (6) are slidably arranged in the guide rails (7), vertical rods (8) are further arranged in the middle of the transverse plates (4), supporting plates (9) are fixedly arranged at two sides of the gate (2), the vertical rods (8) are movably inserted into the supporting plates (9), and limiting plates (10) are fixedly arranged at the bottoms of the vertical rods (8), a buffer spring (11) is sleeved on the vertical rod (8) between the limiting plate (10) and the supporting plate (9); and a support component is also arranged between the gate (2) and the portal frame (1).

2. The opening and closing mechanism of a gate as claimed in claim 1, wherein the pulling plate (3) and the transverse plate (4) are movably mounted on two sides of the gate (2), two ends of the transverse plate (4) are respectively hinged with the pulling plate (3) and the connecting plate (5), and the vertical rod (8) is hinged with the transverse plate (4).

3. The opening and closing mechanism of a gate according to claim 1, wherein the lifting assembly comprises a driving motor (12), a winding shaft (13) and two steel wire ropes (14), the driving motor (12) is installed at the top of the portal frame (1), the winding shaft (13) is fixed at the output end of the driving motor (12), one end of each steel wire rope (14) is fixedly connected with the winding shaft (13), and the other end of each steel wire rope is fixedly connected with the pulling plate (3).

4. The opening and closing mechanism of a gate according to claim 3, wherein guide plates (15) are further arranged at two ends of the winding shaft (13), and the steel wire rope (14) is connected with the winding shaft (13) between the two guide plates (15).

5. The opening and closing mechanism of a gate according to claim 3, wherein two ends of the top of the portal frame (1) are further provided with a support (16), the support (16) is provided with a guide wheel (17) in a rotating manner, the position of the guide wheel (17) corresponds to the position of the pulling plate (3), and the steel wire rope (14) is attached to the guide wheel (17).

6. The opening and closing mechanism of a gate according to claim 1, wherein the supporting component comprises a supporting cylinder (18) and a supporting inclined plate (19), the supporting inclined plate (19) is fixed on the front surface of the middle part of the portal frame (1), the supporting cylinder (18) is fixedly connected with the side wall of the gate (2) through a fixed shaft, the supporting cylinder (18) is connected with the fixed shaft through a bearing, and the supporting cylinder (18) is positioned right above the supporting inclined plate (19).

7. The opening and closing mechanism of the gate according to any one of claims 1 to 6, wherein a first travel switch (20) and a second travel switch (21) are respectively arranged on the front surfaces of the upper part and the lower part of the portal frame (1), and an induction rod (22) corresponding to the first travel switch (20) and the second travel switch (21) is arranged on one side of the bottom of the gate (2).