CN211078117U

CN211078117U - Linkage device of protective door of material hoister

Info

Publication number: CN211078117U
Application number: CN201921773986.0U
Authority: CN
Inventors: 庄斌雄
Original assignee: Shenzhen Zhongrongyu Construction Engineering Co ltd
Current assignee: Shenzhen Zhongrongyu Construction Engineering Co ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-07-24
Anticipated expiration: 2029-10-19

Abstract

The utility model relates to a linkage of material lifting machine guard gate relates to building construction equipment technical field, it has solved the automatic problem of opening and closing of guard gate to set up link gear, its technical scheme includes material lifting machine and portal, the material lifting machine includes cage and fender bracket, the cage both sides are equipped with the rack, sliding connection has the guard gate on the portal, the guard gate is equipped with a rack towards one side top of cage, be equipped with link gear between rack and the top rack, the rack passes through link gear and drives a rack. Before the cage rises to a certain floor, the racks on the two sides of the cage are sequentially connected with the linkage mechanism and drive the linkage mechanism to rotate, the rotation of the linkage mechanism enables the top rack connected with the linkage mechanism to move left and right, and then the protective door fixedly connected with the top rack is driven, so that the protective door is automatically opened and closed.

Description

Linkage device of protective door of material hoister

Technical Field

The utility model belongs to the technical field of building construction equipment technique and specifically relates to a linkage of material lifting machine guard gate is related to.

Background

The material hoister is a ‎ substance vertical transportation ‎ conveying machine commonly used in construction sites ‎ at present, and is widely used by ‎ construction enterprises ‎ because of the characteristics of ‎, such as low manufacturing cost ‎, simple installation and operation ‎ and strong applicability ‎.

With the development of ‎ fields in a building city, the number of material lifting machines ‎ is increased ‎, so that the ‎ contradiction of ‎ relative delay of management of the material ‎ lifting machines is more obvious and ‎ is more obvious, especially some ‎ common safety ‎ problems are not realized that ‎ is fully ‎, more particularly, the later ‎ is poor, safety ‎ ‎ accidents on the material lifting machines are obvious and ‎ accidents are more likely to rise ‎, and the ‎ people are also alarmed ‎.

The most reasons for accidents are that the protection door of the material hoister is opened and is forgotten to be closed after being unloaded, so that the constructor is accidentally fallen, and therefore the linkage device capable of automatically opening and closing the protection door is provided, and the safety of the constructor is guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a linkage of material lifting machine guard gate sets up linkage and has solved the automatic problem of opening and closing of guard gate.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a linkage of material lifting machine guard gate, includes material lifting machine and portal, material lifting machine includes cage and fender bracket, the cage both sides are equipped with the rack, sliding connection has the guard gate on the portal, the guard gate is equipped with a rack towards one side top of cage, be equipped with link gear between rack and the top rack, the rack passes through link gear and drives a rack.

By adopting the technical scheme, before the suspension cage rises to a certain floor, the racks on the two sides of the suspension cage are sequentially connected with the linkage mechanism and drive the suspension cage to rotate, the top rack connected with the linkage mechanism is driven to move left and right by the rotation of the linkage mechanism, and then the protection door fixedly connected with the top rack is driven, so that the protection door is automatically opened and closed.

The utility model discloses further set up to: the link gear includes the linkage subassembly, the linkage subassembly symmetry sets up in the left and right sides of fender bracket, the linkage subassembly includes drive gear, drive gear rotates to be connected on the fender bracket that corresponds cage height intermediate position, the coaxial fixed connection transmission synchronizing wheel in drive gear's one side, the transmission synchronizing wheel is connected with the toothed belt, the other end in toothed belt is connected with the linkage synchronizing wheel, the linkage synchronizing wheel is located the transmission synchronizing wheel directly over and rotates with the fender bracket to be connected, the coaxial fixed connection drive gear of linkage synchronizing wheel, drive gear is connected with the two-sided tooth synchronous belt that faces, the end connection of two-sided tooth synchronous belt has driven gear, driven gear and drive gear are in on a water flat line, two-sided tooth synchronous belt sets up with the meshing of top rack.

By adopting the technical scheme, the transmission gear is meshed with the racks on the two sides of the suspension cage, the transmission gear and the transmission synchronizing wheel are coaxially and fixedly rotated, the transmission synchronizing wheel is connected with the linkage synchronizing wheel through the gear belt, the linkage synchronizing wheel and the driving gear are coaxially and fixedly rotated, when the suspension cage is lifted, the racks drive the transmission gear, power is transmitted to the transmission synchronizing wheel through the transmission gear, then the transmission synchronizing wheel transmits the power to the linkage synchronizing wheel through the gear belt, the power is finally transmitted to the driving gear through the linkage synchronizing wheel, and the driving gear drives the double-face toothed synchronous belt to further drive the top rack on the protective door, so that the protective door is automatically opened and closed.

The utility model discloses further set up to: the rack includes left rack and right rack, drive gear and left rack and right rack meshable set up, the vertical setting of left side rack is on the left side cage that the cage is close to the cage exit, just the lower terminal surface and the cage lower extreme parallel and level of left side rack, the vertical setting of right rack is on the right side cage that the cage is close to the cage exit, just the up end and the cage upper end parallel and level of right rack.

By adopting the technical scheme, before the cage reaches a certain floor, the right rack is connected with the right linkage mechanism to drive the top rack to open the protective door; when the cage arrives at a certain floor, the protective door is completely opened, and when the cage continuously rises to leave the floor, the left rack is connected with the left linkage mechanism to drive the top rack to enable the protective door to be automatically closed.

The utility model discloses further set up to: the left rack and the right rack are equal in length, and the sum of the lengths of the left rack and the right rack is smaller than the height of the suspension cage.

Through adopting above-mentioned technical scheme, when the cage was unloaded at certain floor, right rack broke away from the link gear on the right, and the guard gate still was in the state of opening, when the cage was prepared to leave, the cage rose a short distance and could make left rack and link gear on the left side be connected, and the guard gate just begins to close, and this setting is avoided right rack to leave when the link gear on the right left rack and link gear on the left side to be connected at once, leads to the guard gate door not yet to open completely.

The utility model discloses further set up to: the portal frame comprises two portal columns and a portal beam, a groove is formed in the top of each portal column, the portal beams are connected with the groove in a clamped mode, and the portal beams are detachably and fixedly connected with the portal columns.

Through adopting above-mentioned technical scheme, gatepost and portal beam demountable assembly set up, make things convenient for the workman to carry the construction floor, assemble at the construction floor, dismantle but reuse with the portal after the construction.

The utility model discloses further set up to: the inside spout that is equipped with of door beam, the terminal surface is seted up the notch that communicates with the spout under the door beam, the spout runs through the door beam along door beam length direction, be equipped with a plurality of pulleys in the spout, the pulley rotates and is connected with the connecting block, the connecting block passes notch fixed connection guard gate, the guard gate articulate on the door beam.

Through adopting above-mentioned technical scheme, pass through sliding connection with the guard gate on the door roof beam, can avoid the subaerial debris of construction to influence opening and closing of guard gate.

The utility model discloses further set up to: two limiting plates are symmetrically arranged between the two doorposts, the distance between the two limiting plates is smaller than the length distance of the protective door, the opposite side faces of the limiting plates are all penetrated and provided with guide grooves, the left end and the right end of the protective door are located in the guide grooves, and the protective door and the guide grooves are arranged in a sliding mode.

Through adopting above-mentioned technical scheme, guard gate sliding connection is on the door roof beam, and the in-process that slides about the guard gate probably receives the construction environment influence to take place to rock, causes the unstability of guard gate, sets up the guide way on the limiting plate, and the guard gate slides and sets up in the guide way, can play the guide effect at the in-process that the guard gate slided, can also effectively reduce rocking of guard gate, strengthens the stability of guard gate.

The utility model discloses further set up to: be connected with the guard plate between gatepost and the adjacent limiting plate, the one end fixed connection of guard plate in gatepost, the other end fixed connection of guard plate deviates from guard gate one side in the limiting plate.

Through adopting above-mentioned technical scheme, two divisions set up and need longer door beam about the guard gate, and the guard gate left and right sides has great no protection zone when leading to the guard gate to be in the closed condition, does not guarantee staff's safety, consequently sets up two guard plates at no protection zone, security when promoting the construction.

To sum up, the utility model discloses a beneficial technological effect does:

1. the linkage mechanism is arranged to connect the racks on the two sides of the suspension cage and the top rack on the protective door, and the power generated in the lifting process of the suspension cage is transmitted to the top rack through the linkage mechanism to realize the automatic opening and closing of the protective door;

2. the sum of the lengths of the racks on the two sides of the suspension cage is smaller than the height of the suspension cage, so that the racks can be separated from the transmission gear when the suspension cage stops at a certain floor, and the protective door can be completely opened;

3. the guard plate is arranged on two sides of the guard door, so that safety guarantee can be provided for constructors during feeding and discharging.

Drawings

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

FIG. 2 is an exploded view of a portion of the structure of the present invention;

fig. 3 is a side view of the overall structure of the present invention;

FIG. 4 is an enlarged schematic view of section A of FIG. 3;

FIG. 5 is a front view of the overall structure of the present invention;

fig. 6 is an enlarged schematic view of a portion B in fig. 3.

In the figure, 1, a material lifting machine; 11. a suspension cage; 12. a protection frame; 121. a first connecting member; 122. a second connecting member; 2. a gantry; 21. a doorpost; 211. a groove; 212. a bolt; 22. a door beam; 221. a chute; 222. a pulley; 223. connecting blocks; 224. a notch; 3. a protective door; 31. a top rack; 4. a linkage mechanism; 41. a linkage assembly; 411. a transmission synchronizing wheel; 412. a transmission gear; 413. a gear belt; 414. a linkage synchronizing wheel; 42. a drive assembly; 421. a drive gear; 422. a double-face tooth synchronous belt; 423. a driven gear; 5. a limiting plate; 51. a guide groove; 6. a rack; 61. a right rack; 62. a left rack; 7. and (4) a protective plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a linkage of material lifting machine guard gate, including material lifting machine 1 and portal 2, material lifting machine 1 includes fender bracket 12 and cage 11, the cage 11 left and right sides all is equipped with rack 6, portal 2 fixed mounting are in the material access department of every floor, be equipped with guard gate 3 on the portal 2, guard gate 3 and portal 2 sliding connection, guard gate 3 is towards one side top fixedly connected with strip rack 31 that the cage 11's of cage one side top tooth face is up, be equipped with link gear 4 between rack 6 and the top rack 31, link gear 4 connects rack 6 and top rack 31, the automation that drives rack 6 drive link gear 4 through the rising of cage 11 or descend and control guard gate 3 is opened and is closed.

Referring to fig. 1 and 2, the door frame 2 includes two door columns 21, a groove 211 is formed at the top of each door column 21, a door beam 22 is disposed in the groove 211, and the door beam 22 and the door columns 21 are connected by bolts 212 for facilitating future disassembly. Because the ground of construction site is not flat and some debris, for avoiding the ground to open or close to guard gate 3 and cause the influence, need with guard gate 3 sliding connection on door roof beam 22, the inside spout 221 that is equipped with of door roof beam 22, spout 221 runs through door roof beam 22 along the length direction of door roof beam 22, with the installation and the dismantlement of convenient staff to door roof beam 22 and guard gate 3, be connected with a plurality of pulleys 222 on the spout 221, be connected with connecting block 223 on the pulley 222, connecting block 223 rotates with pulley 222 to be connected, notch 224 has been seted up to the terminal surface under door roof beam 22, connecting block 223 passes notch 224 fixed connection guard gate 3. The protective door 3 is connected with the pulley 222 through the connecting block 223, the pulley 222 is supported by the sliding groove 221, the protective door 3 is further connected onto the door beam 22 in a sliding mode, and the influence of the construction ground on opening and closing of the protective door 3 is reduced.

Referring to fig. 3, the symmetry sets up two limiting plates 5 between two gateposts 21, and limiting plate 5 highly is less than ground height to door beam 22, and the distance between two limiting plates 5 is less than guard gate 3's length, and two 5 relative sides of limiting plate have all run through guide way 51, and both ends are located guide way 51 about guard gate 3, prevent to rock around the in-process that guard gate 3 lower part slided about taking place to this reinforcing guard gate 3's stability. Guard gate 3 sets up to left and right sides double open type, so the comparison of door beam 22 setting is longer, and when guard gate 3 was in the closed condition, there was great no guard area in the 3 left and right sides of guard gate, and consequently 2 both sides of portal are equipped with guard plate 7, and guard plate 7 is fixed to be set up between adjacent gatepost 21 and limiting plate 5, and thereby guard plate 7 sets up and deviates from guard gate 3 one side in limiting plate 5 and guarantees that the setting of guard plate 7 can not influence the normal slip of guard gate 3.

Referring to fig. 4, the linkage mechanism 4 includes a driving assembly 42 and a linkage assembly 41, the driving assembly 42 includes a double-faced toothed synchronous belt 422, external teeth of the double-faced toothed synchronous belt 422 are engaged with the top rack 31, the internal teeth of the double-faced toothed synchronous belt 422 are engaged with two driven gears 423 and two driving gears 421, the driven gears 423 and the driving gears 421 are rotatably installed on one side of the door beam 22 facing the cage 11, the driven gears 423 and the driving gears 421 are on a horizontal line, the two driven gears 423 are symmetrically arranged at two ends of the double-faced toothed synchronous belt 422, the two driving gears 421 are symmetrically arranged on the door beam 22, and the two driving gears 421 are located between the two driven gears 423. The lifting of the cage 11 provides power to the driving gear 421 through the linkage assembly 41, and the driving gear 421 drives the double-faced toothed synchronous belt 422 to rotate, so that the top rack 31 meshed with the outer teeth of the double-faced toothed synchronous belt 422 is driven, and the purpose of starting the protective door 3 is achieved.

Referring to fig. 5 and 6, the rack 6 includes a left rack 62 and a right rack 61, and the left rack 62 and the right rack 61 are respectively disposed at left and right sides of the cage 11 near an outlet of the cage 11. The left rack 62 is vertically arranged at the lower end of the left side surface of the cage 11, and the lower end surface of the left rack 62 is flush with the lower end surface of the cage 11; the right rack 61 is vertically arranged at the upper end of the side surface of the cage 11, and the upper end surface of the right rack 61 is flush with the upper end surface of the right side surface of the cage 11. The two sides of the protective frame 12 are provided with linkage assemblies 41 corresponding to each floor along the height direction, each linkage assembly 41 comprises a transmission gear 412, each transmission gear 412 is rotatably connected to the protective frame 12 corresponding to the middle position of the height of the suspension cage 11, the protective frame 12 is provided with a first connecting piece 121 corresponding to the transmission gear 412, each transmission gear 412 is rotatably connected to the corresponding first connecting piece 121, and the left rack 62 and the right rack 61 can be meshed with the transmission gear 412. In order to prevent the right rack 61 from being disengaged from the transmission gear 412 on the right side of the cage 11, the left rack 62 is meshed with the transmission gear 412 on the left side of the cage 11 immediately, so that the protective door 3 is not completely opened, and the loading and unloading efficiency of workers is affected, the right rack 61 and the left rack 62 are equal in length, the sum of the lengths of the two racks is smaller than the height of the cage 11, and an area for transition is reserved. When the suspension cage 11 is lifted to the material inlet and outlet floor, the transmission gear 412 is separated from the rack 6 in the transition area, at the moment, the linkage mechanism 4 stops rotating, and the protective door 3 is completely opened.

Referring to fig. 6, a transmission synchronizing wheel 411 is disposed on one side of the transmission gear 412 facing the protection door 3, the transmission synchronizing wheel 411 is coaxially and fixedly connected with the transmission gear 412, and when the rack 6 drives the transmission gear 412, the first synchronizing gear and the transmission gear 412 rotate at the same frequency. The transmission synchronizing wheel 411 is connected with a gear belt 413, the other end of the gear belt 413 is connected with a linkage synchronizing wheel 414, the linkage synchronizing wheel 414 is located right above the transmission synchronizing wheel 411, a second connecting piece 122 is arranged on the protection frame 12 at the same height as the linkage synchronizing wheel 414, the linkage synchronizing wheel 414 is rotatably connected to the second connecting piece 122, and the linkage synchronizing wheel 414 is coaxially and fixedly connected with the driving gear 421. When the suspension cage 11 ascends or descends, the racks 6 on the two sides of the suspension cage 11 are meshed with the corresponding transmission gears 412 to generate power, the power is transmitted to the linkage synchronizing wheel 414 through the transmission synchronizing wheel 411 through the gear belt 413 and then transmitted to the driving gear 421 which is coaxially and fixedly connected through the linkage synchronizing wheel 414, the driving gear 421 drives the double-face tooth synchronous belt 422 meshed with the driving gear 421 to drive the top rack 31 on the protective door 3, and therefore the protective door 3 is automatically opened and closed.

The specific implementation principle of this embodiment is as follows:

when the cage 11 rises to a certain floor, the right rack 61 on the cage 11 is meshed with the right transmission gear 412, the right rack 61 drives the right transmission gear 412 to rotate clockwise, the right transmission gear 412 transmits power to the right transmission synchronizing wheel 411, the right transmission synchronizing wheel 411 is connected with the right linkage synchronizing wheel 414 through the right gear belt 413, so that the right driving gear 421 is driven to rotate in the same direction, the right driving gear 421 drives the double-faced toothed synchronous belt 422 to rotate in the same direction, the double-faced toothed synchronous belt 422 is meshed with the top rack 31 on the protective door 3 clockwise, the top rack 31 drives the protective door 3 to slide horizontally in the meshing direction, and the protective door 3 is opened.

When the cage 11 stops at the floor, the right rack 61 is separated from the right transmission gear 412, and the protective door 3 is in an open state; after the constructor unloads the materials required by the floor, when the cage 11 continues to ascend, the left rack 62 on the cage 11 starts to be meshed with the left transmission gear 412 to drive the left transmission gear 412 to rotate anticlockwise, at this time, the left transmission synchronizing wheel 411 and the left transmission gear 412 rotate in the same direction, the left transmission synchronizing wheel 411 drives the left linkage synchronizing wheel 414 through the left gear belt 413, the left driving gear 421 is indirectly driven to rotate anticlockwise, the left driving gear 421 directly drives the double-faced toothed synchronous belt 422 to indirectly drive the rack on the protective door 3, and after the left rack 62 leaves the left transmission gear 412, the protective door 3 is in a closed state.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a linkage of material lifting machine guard gate, includes material lifting machine (1) and portal (2), material lifting machine (1) is including cage (11) and fender bracket (12), its characterized in that: the suspension cage is characterized in that racks (6) are arranged on two sides of the suspension cage (11), a protective door (3) is connected to the door frame (2) in a sliding mode, a top rack (31) is arranged on the protective door (3) towards the top of one side of the suspension cage (11), a linkage mechanism (4) is arranged between the racks (6) and the top rack (31), and the racks (6) drive the top rack (31) through the linkage mechanism (4).

2. The linkage device of the material lifting machine protection door according to claim 1, characterized in that: the linkage mechanism (4) comprises a linkage component (41), the linkage component (41) is symmetrically arranged at the left side and the right side of the protective frame (12), the linkage component (41) comprises a transmission gear (412), the transmission gear (412) is rotatably connected to the protective frame (12) corresponding to the height middle position of the suspension cage (11), a transmission synchronizing wheel (411) is coaxially and fixedly connected with one side of the transmission gear (412), the transmission synchronizing wheel (411) is connected with a gear belt (413), the other end of the gear belt (413) is connected with a linkage synchronizing wheel (414), the linkage synchronizing wheel (414) is positioned right above the transmission synchronizing wheel (411) and is rotatably connected with the protective frame (12), the linkage synchronizing wheel (414) is coaxially and fixedly connected with a driving gear (421), the driving gear (421) is connected with a double-face tooth synchronous belt (422), and the end part of the double-face tooth synchronous belt (422) is connected with a driven gear (423), the driven gear (423) and the driving gear (421) are on the same horizontal line, and the double-face tooth synchronous belt (422) is meshed with the top rack (31).

3. The linkage device of the material lifting machine protection door according to claim 2, characterized in that: rack (6) include left rack (62) and right rack (61), drive gear (412) and left rack (62) and right rack (61) can mesh the setting, left side rack (62) vertical setting is on cage (11) is close to left side cage (11) in cage (11) exit, just the lower terminal surface and cage (11) lower extreme parallel and level of left side rack (62), right side rack (61) vertical setting is on cage (11) is close to right side cage (11) in cage (11) exit, just the up end and cage (11) upper end parallel and level of right side rack (61).

4. The linkage device of the material lifting machine protection door according to claim 3, characterized in that: the left rack (62) and the right rack (61) are equal in length, and the sum of the lengths of the left rack and the right rack is smaller than the height of the suspension cage (11).

5. The linkage device of the material lifting machine protection door according to claim 1, characterized in that: portal (2) include two gateposts (21) and a doorbeam (22), gatepost (21) top is equipped with recess (211), doorbeam (22) and recess (211) joint set up, fixed connection can be dismantled with gatepost (21) to doorbeam (22).

6. The linkage device of the material lifting machine protection door of claim 5, characterized in that: the door beam is characterized in that a sliding groove (221) is formed in the door beam (22), a notch (224) communicated with the sliding groove (221) is formed in the lower end face of the door beam (22), the sliding groove (221) penetrates through the door beam (22) along the length direction of the door beam (22), a plurality of pulleys (222) are arranged in the sliding groove (221), a connecting block (223) is rotatably connected to the pulleys (222), the connecting block (223) penetrates through the notch (224) and is fixedly connected with a protective door (3), and the protective door (3) is in suspension connection with the door beam (22).

7. The linkage device of the material lifting machine protection door of claim 6, characterized in that: two the symmetry is equipped with two limiting plates (5) between gatepost (21), two distance between limiting plate (5) is less than the length distance of guard gate (3), limiting plate (5) relative side all runs through and sets up guide way (51), both ends are located guide way (51) about guard gate (3), guard gate (3) and guide way (51) slide and set up.

8. The linkage device of the material lifting machine protection door according to claim 7, characterized in that: be connected with protection plate (7) between gatepost (21) and adjacent limiting plate (5), the one end fixed connection of protection plate (7) in gatepost (21), the other end fixed connection of protection plate (7) deviates from guard gate (3) one side in limiting plate (5).