CN221188503U - Winding rope fastening device for lifting door - Google Patents

Abstract

The utility model discloses a winding rope fastening device for a lifting door, which comprises a fixed seat, a mounting column and a rotation stopping component, wherein at least one through hole is formed in the mounting column, the mounting column comprises a column body, an embedded part and at least one fastening bolt, an inner concave part is formed in the column body, the embedded part is accommodated in the inner concave part, the embedded part is detachably connected with the column body, the through hole is positioned between the column body and the embedded part, the fastening bolt is rotatably arranged on the embedded part, the tail end of the fastening bolt can be positioned in the through hole, and the rotation stopping component is arranged on the fixed seat. The rope winding fastening device is arranged on the lifting cabinets of the platform, the end parts of the protection ropes between two adjacent groups of lifting cabinets are fixed on the mounting posts, the rope winding fastening device is simple in structure, the cost can be effectively reduced, the tension degree of the protection ropes can be adjusted by only rotating the mounting posts, the fixing and the dismounting of the end parts of the protection ropes are very simple, the tension degree of the protection ropes can be quantitatively adjusted by the rotation angle of the mounting posts, and the operation is very convenient.

Description

Winding rope fastening device for lifting door

Technical Field

The present utility model relates to a rope fastening device for a lifting door.

Background

At present, a lifting safety door is installed on some high-speed rail platforms, a plurality of protection ropes are horizontally arranged between two adjacent groups of lifting cabinets in parallel, a lifting module in the lifting cabinet is lowered to the lowest position before a train enters the station, the protection ropes between the two groups of lifting cabinets can play a role in protecting safety, and the platform can be isolated from the train by the protection ropes between the two groups of lifting cabinets when the train enters the station and after the train enters the station, so that the protection safety is realized for passengers.

The length of the protective rope between two adjacent groups of lifting cabinets is the door opening width of the lifting safety door of the high-speed railway platform, the door opening width is designed to be about 25m, the safety door can adapt to the stopping of various high-speed railway trains at present, but when the platform has strong wind, especially when the platform is in typhoon, the swing amplitude of the protective rope is influenced by wind power, the safety swing amplitude can be larger, and the safety swing amplitude is easy to exceed the safety white line of the edge of the high-speed railway platform, so that the safety isolation effect is lost, and unsafe factors are brought to the high-speed railway platform and passengers.

In order to effectively prevent the swing amplitude of the protection rope, a tensioning device such as a tensioning structure in CN217145965U can be arranged on a lifting cabinet, wherein the tensioner is used for tensioning a rope belt unit penetrating through a guide shaft, the bottom of the tensioner is fixed with an L-shaped fixing plate through a fixing piece, after the tensioner bypasses the guide shaft for each round rope, the whole round rope is tensioned through the tensioning of the tensioners at the two ends through the resilience force of a spring, and a certain expansion pulling force is still kept between the round ropes in real time, so that certain rigidity of the whole rope belt is realized, namely, the windproof effect and the integral linear effect are better, but the structure of the tensioning structure is complex, the tensioning degree of the protection rope cannot be quantitatively adjusted, the structure for fixing the end part of the protection rope is not very convenient in practical use, the structure for fixing the end part of the protection rope is complex, the production cost is increased, and the end part of the protection rope is relatively troublesome to fix and detach.

Therefore, it is necessary to develop a tensioning structure which has a simple structure, is convenient to fix the protective rope, and can quantitatively adjust the tension of the protective rope.

Disclosure of utility model

The object of the present utility model is to provide a winding rope fastening device for a lifting door, which solves at least one of the above-mentioned technical problems.

According to an aspect of the present utility model, there is provided a roll-up cord fastening device for a lift gate, comprising:

A fixing seat;

The mounting column comprises a column body, an embedded part and at least one fastening bolt, wherein the column body is arranged on the fixed seat and is rotationally connected with the fixed seat, an inner concave part is arranged on the column body, the embedded part is accommodated in the inner concave part, the embedded part is detachably connected with the column body, the perforation is positioned between the column body and the embedded part, the fastening bolt is screwed on the embedded part, and the tail end of the fastening bolt can be positioned in the perforation; and

The rotation stopping component is arranged on the fixed seat and used for limiting the rotation of the mounting column so that the mounting column can only rotate in one direction.

The rope winding fastening device is arranged on the lifting cabinet of the platform, when the protective ropes are required to be fixed on the mounting columns, the embedded pieces on the mounting columns are detached from the columns, the end parts of the protective ropes are placed on the perforated parts positioned on the columns, then the embedded pieces are reinstalled on the columns, the fastening bolts are screwed down, the tail ends of the fastening bolts are abutted against the protective ropes in the perforation, so that the end parts of the protective ropes are firmly fixed on the mounting columns, the end parts of the protective ropes between two adjacent groups of lifting cabinets are respectively fixed on the mounting columns, when the protective ropes between the two adjacent groups of lifting cabinets swing, namely are in an un-tensioned state, the mounting columns at the two ends of the protective ropes are rotated, the protective ropes are wound on the mounting columns more, so that the protective ropes between the two adjacent groups of lifting cabinets are tensioned, a certain rigidity is ensured, the protective ropes between the two adjacent groups of lifting cabinets are better in windproof effect and the integral linear effect, the protective ropes wound on the mounting columns are not unreeled under the effect of the rotating parts, so that the two adjacent lifting cabinets can be guaranteed to be in a very simple and the tensioning state, the two groups of the two adjacent lifting cabinets can be conveniently and quantitatively adjusted, and the cost of the device can be conveniently and quantitatively installed.

In some embodiments, the rotation stopping component may include a rotation stopping member, a torsion spring and a fixing column, one end of the fixing column is arranged on the fixing seat, the rotation stopping member and the torsion spring are both sleeved on the fixing column, one torsion arm of the torsion spring is fixed on the fixing seat, the other torsion arm of the torsion spring is fixed on the rotation stopping member, the torsion spring is positioned between the rotation stopping member and the fixing seat,

The end of the column body is provided with a ratchet wheel, and one end of the rotation stopping piece is provided with a pawl matched with the ratchet wheel.

Therefore, due to the cooperation of the pawl on the rotation stopping piece and the ratchet wheel on the column body, when the installation column is rotated in the forward direction, the pawl can slide along the tooth parts of the ratchet wheel, the forward rotation of the ratchet wheel is not affected, when the rotation of the installation column is stopped, the pawl is clamped on the tooth parts of the ratchet wheel under the action of the torsion spring, and due to the existence of the torsion spring, the installation column cannot rotate reversely, so that the installation column can only rotate in one direction, when the installation column is rotated in the forward direction, the protection rope can be wound on the installation column more, and the protection rope between two adjacent lifting cabinets is tensioned, and the installation column cannot rotate reversely, so that the tightness of the protection rope can be ensured.

In some embodiments, the end of the cylinder may be provided with a square boss, the end face of the ratchet is provided with a recess adapted to the square boss, the square boss is inserted into the recess, and the ratchet is connected with the end of the cylinder through a fixing bolt. Therefore, through the cooperation connection of the square boss and the concave part, the ratchet wheel and the cylinder can be ensured to keep consistent in the circumferential direction during rotation, slipping can not occur, and through the connection of the fixing bolts, the ratchet wheel and the cylinder can not shift in the axial direction of the cylinder, so that the ratchet wheel and the cylinder can keep stable integrity.

In some embodiments, the other end of the rotation stop member may be provided with a toggle portion. Therefore, when the protective rope is required to be unwound and wound on the mounting column, namely, the protective rope is required to be loosened, the poking part can be pulled, so that the pawl on the rotation stopping part is separated from the tooth part of the ratchet wheel, and the mounting column can be reversely rotated at the moment to loosen the protective rope, so that the operation is very convenient.

In some embodiments, the fixing post may be a bolt, the fixing post is screwed on the fixing base, and a hexagonal boss may be disposed at an end of the ratchet. From this, fixed column and fixing base threaded connection can make and stop changeing piece and torsional spring cover very firmly on the fixed column, ensure that stopping changeing piece, torsional spring can not take place to loosen, when needs rotate the erection column in order to tighten the protection rope, can use the spanner to cup joint on hexagonal boss, can rotate the erection column in order to tighten the protection rope this moment, the rotation operation of erection column is very convenient.

In some embodiments, the mounting post may further comprise a connecting bolt, at least one first semicircular hole site is provided in the wall of the recess, a second semicircular hole site adapted to the first semicircular hole site is provided in the insert, the walls of the first and second semicircular hole sites form a through hole, and the insert is connected to the post by the connecting bolt. Therefore, when the protective rope is required to be fixed on the mounting column, the connecting bolt is detached, the embedded part is taken down from the column body, the end part of the protective rope is placed in the first semicircular hole site, then the embedded part is reinstalled on the column body through the connecting bolt, the protective rope is clamped together by the second semicircular hole site on the embedded part and the first semicircular hole site on the column body, the fastening bolt is screwed down, the tail end of the fastening bolt is abutted against the protective rope in the perforation, so that the end part of the protective rope is firmly fixed on the mounting column, and the end part of the protective rope is very simple and quick to fix and detach.

In some embodiments, the number of fastening bolts and perforations may be three, and the ends of the three fastening bolts can be located in the three perforations, respectively. Therefore, one rope winding fastening device can simultaneously fix three protective ropes, the end parts of the three protective ropes can be firmly fixed on the mounting column, and when the mounting column is rotated, the three protective ropes can be simultaneously tightened.

In some embodiments, the insert may be provided with a countersink in which the nut of the fastening bolt and the nut of the connecting bolt are countersunk. Therefore, the nuts of the fastening bolts and the nuts of the connecting bolts are not protruded out of the outer wall of the embedded part, namely are not protruded out of the outer wall of the mounting column, so that the protective rope can be ensured to be stably wound on the mounting column and unwound from the mounting column, and the protective rope is ensured not to be clamped on the nuts of the fastening bolts and the nuts of the connecting bolts to influence the winding and unwinding of the protective rope.

In some embodiments, the fixing base may include a top plate, a bottom plate, a first side plate and a second side plate, the top plate is connected to the bottom plate through the first side plate and the second side plate, the first side plate and the second side plate are vertically arranged,

The utility model can also comprise a first bearing and a second bearing, the column body is rotationally connected with the top plate through the first bearing, the column body is rotationally connected with the bottom plate through the second bearing,

The rotation stopping component is arranged on the top plate.

From this, roof and bottom plate are connected with the cylinder through first bearing and second bearing respectively, can ensure that the erection column can steadily rotate on the fixing base in order to steadily wind up and unwind the protection rope, and the part between roof and the bottom plate except first curb plate and second curb plate is open form, and in this way, the operating personnel can fix the tip of protection rope on the erection column or detach from the erection column through the open part between roof and the bottom plate.

In some embodiments, the second side plate may be provided with at least one through hole for inserting a winding rope of the lifting door. Therefore, the end part of the protective rope can be fixed on the mounting column after passing through the through hole on the second side plate.

Drawings

Fig. 1 is a schematic structural view of a rope fastening device for a lift gate according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing a disassembled structure of the rope fastening device shown in FIG. 1;

FIG. 3 is a schematic view of the rope fastening device shown in FIG. 1 in the direction A;

fig. 4 is a schematic view of the ratchet wheel of the rope fastening device shown in fig. 2.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

Fig. 1 to 4 schematically show the structure of a rope fastening device for a liftgate according to an embodiment of the present utility model.

Referring to fig. 1 to 4, a winding rope fastening device for a lift door includes a fixing base 1, a mounting post 2, and a rotation stopping member 3. Furthermore, the rope fastening means may further comprise a first bearing 4, a second bearing 5 and a fixing bolt 6.

Referring to fig. 1 and 2, the fixing base 1 includes a top plate 101, a bottom plate 102, a first side plate 103 and a second side plate 104, wherein the top plate 101 and the bottom plate 102 are arranged in parallel, one side of the top plate 101 is connected to one side of the bottom plate 102 through the first side plate 103, the other side of the top plate 101 is connected to the other side of the bottom plate 102 through the second side plate 104, the first side plate 103 and the second side plate 104 are vertically arranged, the top plate 101 and the first side plate 103 can be fixed by bolts, the top plate 101 and the second side plate 104 can be fixed by bolts, the bottom plate 102 and the first side plate 103 and the second side plate 104 can be fixed by bolts, and the fixing base 1 is designed such that a portion between the top plate 101 and the bottom plate 102 except for the first side plate 103 and the second side plate 104 is opened, and an operator can fix a protective rope on the mounting post 2 or detach the protective rope from the mounting post 2 through an opened portion between the top plate 101 and the bottom plate 102.

Referring to fig. 1 and 2, a through hole 1041 is formed in the second side plate 104, and the through hole 1041 is used for inserting a winding rope of the lifting door.

The mounting column 2 is provided with at least one perforation 201, and the perforation 201 is used for penetrating the end part of the protective rope; referring to fig. 1 and 2, the mounting post 2 includes a post 21, an insert 22, at least one fastening bolt 23 and a connecting bolt 24, an inner recess 211 is formed on the post 21, the shape and size of the insert 22 are adapted to those of the inner recess 211, the insert 22 is accommodated in the inner recess 211, and the insert 22 and the post 21 together form a mounting post 2 having a columnar shape as a whole; the insert 22 is removably connected to the column 21, in particular: the concave portion 211 is formed with a threaded hole 213, the connecting bolt 24 passes through the insert 22, then the tail end of the connecting bolt 24 is screwed in the threaded hole 213, the connecting bolt 24 connects and fixes the insert 22 and the column 21 together, the insert 22 can be detached from the column 21 by screwing down the connecting bolt 24, in this embodiment, the number of the connecting bolts 24 and the threaded holes 213 is two, and the insert 22 can be stably mounted on the column 21 through the two connecting bolts 24.

Referring to fig. 2, at least one first semicircular hole 212 is formed in the wall of the concave portion 211, a second semicircular hole 221 is formed in the corresponding position of the insert 22, the second semicircular hole 221 is matched with the first semicircular hole 212, and the walls of the first semicircular hole 212 and the second semicircular hole 221 form a through hole 201, that is, the through hole 201 is located between the cylinder 21 and the insert 22; when the protection rope is required to be fixed on the mounting post 2, the connecting bolt 24 is removed, the embedded part 22 is removed from the post 21, the end part of the protection rope is placed in the first semicircular hole site 212, then the embedded part 22 is reinstalled on the post 21 through the connecting bolt 24, and the protection rope is clamped by the second semicircular hole site 221 on the embedded part 22 and the first semicircular hole site 212 on the post 21, so that the protection rope is inserted in the through hole 201.

Referring to fig. 1 and 2, a column 21 is mounted on a fixing base 1, and the column 21 is rotatably connected with the fixing base 1, specifically: the first bearing 4 is fixed on the top plate 101 in an embedded manner, the second bearing 5 is fixed on the bottom plate 102 in an embedded manner, the upper part of the column 21 is fixedly inserted into the inner ring of the first bearing 4, the bottom of the column 21 is fixedly inserted into the inner ring of the second bearing 5, the column 21 is rotatably connected with the top plate 101 through the first bearing 4, the column 21 is rotatably connected with the bottom plate 102 through the second bearing 5, the top plate 101 and the bottom plate 102 are respectively connected with the column 21 through the first bearing 4 and the second bearing 5, and the installation column 2 can be ensured to stably rotate on the fixing seat 1 to stably wind and unwind the protective rope.

Referring to fig. 2, in order to prevent the bottom of the mounting post 2 from being pulled away from the second bearing 5, the bottom of the post 21 may be formed with a ring of bosses 27, the bosses 27 abutting against the inner ring of the second bearing 5.

The mounting post 2 is used for fixing a protective rope of a lifting door, and specifically, referring to fig. 1 and 2, a fastening bolt 23 is screwed on an insert 22 of the mounting post 2, and an end of the fastening bolt 23 may be screwed into a through hole 201, so that after an end of the protective rope is inserted into the through hole 201 on the mounting post 2, the fastening bolt 23 is screwed, and the end of the fastening bolt 23 is pressed against the protective rope in the through hole 201, so that the end of the protective rope may be firmly fixed on the mounting post 2.

Referring to fig. 1 and 2, in this embodiment, the number of the fastening bolts 23, the through holes 201, and the through holes 1041 on the second side plate 104 is three, the ends of the three fastening bolts 23 can be screwed into the three through holes 201, so that the ends of the three protection ropes pass through the three through holes 1041 on the second side plate 104, respectively, and then the ends of the three protection ropes are inserted into the three through holes 201 on the mounting post 2, respectively, the three fastening bolts 23 are screwed, and the ends of the three fastening bolts 23 are pressed against the three protection ropes in the three through holes 201, respectively, at this time, the connection between the protection ropes and the rope winding fastening device is completed, and one rope winding fastening device can fix the three protection ropes at the same time, and the ends of the three protection ropes can be firmly fixed on the mounting post 2, so that when the mounting post 2 is rotated, the tightening operation can be performed on the three protection ropes at the same time. In other embodiments, the number of the fastening bolts 23, the through holes 201, and the through holes 1041 on the second side plate 104 may be one, two, or more than four (including four) according to the requirements and the sizes of the mounting posts 2 and the second side plate 104.

Referring to fig. 1 and 2, the outer wall of the insert 22 is formed with a sinking groove 222 along the length direction of the mounting post 2, the nuts of the fastening bolt 23 and the nuts of the connecting bolt 24 are sunk in the sinking groove 222, and neither the nuts of the fastening bolt 23 nor the nuts of the connecting bolt 24 protrude from the outer wall of the insert 22, that is, from the outer wall of the mounting post 2, so that it is ensured that the protection rope can be smoothly wound on the mounting post 2 and unwound from the mounting post 2, and the protection rope is prevented from being caught on the nuts of the fastening bolt 23 and the nuts of the connecting bolt 24 to affect the winding and unwinding of the protection rope.

Referring to fig. 1 and 2, the top of the mounting post 2 is provided with a ratchet wheel 25, that is, the top of the post 21 is provided with the ratchet wheel 25, and the specific connection relationship between the ratchet wheel 25 and the post 21 is as follows: referring to fig. 2, the end of the column 21 is formed with a square boss 26, referring to fig. 4, the end face of the ratchet 25 is formed with a recess 251, the shape and size of the recess 251 are matched with those of the square boss 26, the square boss 26 at the top of the column 21 is inserted into the recess 251 on the ratchet 25, two fixing bolts 6 are used to pass through the ratchet 25 and then screwed on the square boss 26 at the top of the column 21, so that the ratchet 25 and the column 21 are firmly fixed together, the ratchet 25 and the column 21 can be ensured to keep consistent in circumferential direction during rotation through the matching connection of the square boss 26 and the recess 251, no slip occurs, the ratchet 25 and the column 21 can be ensured not to displace in the axial direction of the column 21 through the connection of the fixing bolts 6, and thus the ratchet 25 and the column 21 can be ensured to keep firm integrity. In addition, referring to fig. 4, a circle of convex edge 253 can be formed on the end surface of the ratchet wheel 25, the convex edge 253 is located at the periphery of the concave part 251, and when the square boss 26 at the top of the column 21 is inserted into the concave part 251 on the ratchet wheel 25, the convex edge 253 can just be enclosed on the outer wall of the column 21, so that the connection between the ratchet wheel 25 and the column 21 can be further ensured to be firm.

Referring to fig. 1 to 3, a hexagonal boss 252 is formed on an end surface of the ratchet wheel 25, a receiving cavity is formed on the hexagonal boss 252, nuts of the two fixing bolts 6 are sunk in the receiving cavity, when the mounting post 2 needs to be rotated to tighten the protection rope, a wrench can be sleeved on the hexagonal boss 252, then the wrench can be rotated to rotate the mounting post 2 to tighten the protection rope, and the rotation operation of the mounting post 2 is very convenient.

Referring to fig. 1 to 3, the rotation stopping member 3 is mounted on the fixing base 1, and in particular, the rotation stopping member 3 is mounted on the top plate 101 of the fixing base 1, and the rotation stopping member 3 can restrict the rotation of the mounting post 2 so that the mounting post 2 can rotate only in one direction. The specific structure of the rotation stopping member 3 may be: the rotation stopping component 3 comprises a rotation stopping piece 31, a torsion spring 32 and a fixed column 33, the fixed column 33 is a bolt, the fixed column 33 is screwed on the top plate 101 of the fixed seat 1, the rotation stopping piece 31 and the torsion spring 32 are sleeved on the fixed column 33, a nut of the bolt is pressed on the rotation stopping piece 31, the rotation stopping piece 31 can rotate on the fixed column 33, one torsion arm 321 of the torsion spring 32 is spliced on the top plate 101 of the fixed seat 1, the other torsion arm 322 of the torsion spring 32 is spliced on the rotation stopping piece 31, the torsion spring 32 is positioned between the rotation stopping piece 31 and the top plate 101 of the fixed seat 1 (shown in fig. 1), and the rotation stopping piece 31 and the torsion spring 32 can be very firmly sleeved on the fixed column 33 through threaded connection of the fixed column 33 and the top plate 101 of the fixed seat 1, so that the rotation stopping piece 31 and the torsion spring 32 cannot be loosened; referring to fig. 3, the rotation stopping member 31 is formed with a pawl 311 on one free end of the rotation stopping member 31, the pawl 311 is engaged with the ratchet wheel 25 on the mounting post 2, when the rotation stopping member 31 is not rotated, the upper side of the rotation stopping member 31 is inclined (shown in fig. 3), i.e., the upper side of the rotation stopping member 31 is inclined upward from left to right, the pawl 311 is engaged with the teeth of the ratchet wheel 25, the torsion spring 32 in the state shown in fig. 3 is in a natural state, the rotation stopping member 31 can only rotate counterclockwise, the rotation stopping member 31 cannot rotate clockwise, in this way, the ratchet wheel 25 and the mounting post 2 can only rotate clockwise, and the ratchet wheel 25 and the mounting post 2 cannot rotate counterclockwise, so that the ratchet wheel 311 and the mounting post 2 can rotate counterclockwise, due to the engagement of the ratchet wheel 25 on the mounting post 2, the clockwise rotation of the ratchet wheel 25 and the mounting post 2, the pawl 311 can slide along the teeth of the ratchet wheel 25, the clockwise rotation stopping of the ratchet wheel 25 and the mounting post 2, and the counter-clockwise rotation stopping of the rotation stopping member 2, and the rotation stopping of the wire 2 can be achieved, and the counter-clockwise rotation stopping of the wire can be achieved due to the rotation of the rotation stopping member 2, and the rotation stopping member 2.

Referring to fig. 2 and 3, a toggle part 312 is formed at the other free end of the rotation stopping member 31, and when the protective rope wound on the mounting post 2 needs to be unwound, that is, the protective rope needs to be loosened, the toggle part 312 can be pulled (the toggle part 312 is pulled rightward in fig. 3), so that the pawl 311 on the rotation stopping member 31 is separated from the tooth part of the ratchet wheel 25, and at this time, the mounting post 2 can be rotated counterclockwise to loosen the protective rope, so that the operation is very convenient.

Referring to fig. 1 and 2, the rope fastening device of the present utility model is installed on lifting cabinets of a platform, and a plurality of rope fastening devices of the present utility model may be longitudinally installed on each lifting cabinet, as required, three protection ropes are installed between two rope fastening devices of the same height between two adjacent groups of lifting cabinets, and the installation steps of the protection ropes are as follows: removing the connecting bolt 24, removing the embedded part 22 from the column 21, enabling the end part of the protective rope to pass through the through hole 1041 on the second side plate 104, placing the end part of the protective rope in the first semicircular hole site 212 on the column 21, then reinstalling the embedded part 22 on the column 21 through the connecting bolt 24, clamping the protective rope together with the first semicircular hole site 212 on the column 21 by the second semicircular hole site 221 on the embedded part 22, inserting the end part of the protective rope in the through hole 201, tightening the fastening bolt 23, enabling the tail end of the fastening bolt 23 to press against the protective rope in the through hole 201, thereby installing the end part of the protective rope on the installing columns 2, at the moment, completing the fixation of the end part of the protective rope, wherein the two ends of each protective rope are respectively fixed on the two installing columns 2 of two coil rope fastening devices on two adjacent sets of lifting cabinets, and the fixing and dismantling the end part of the protective rope can be operated by an operator through the opening part between the top plate 101 and the bottom plate 102 of the fixing seat 1; when the protective ropes between two adjacent sets of lifting cabinets are swung and are in an unstrained state, a spanner is sleeved on a hexagonal boss 252 on a ratchet wheel 25, then the spanner is rotated in the forward direction (clockwise direction shown in fig. 3), so that the protective ropes are wound on a mounting column 2 more, the protective ropes between the two adjacent sets of lifting cabinets are tightened, the protective ropes are ensured to maintain certain rigidity on the whole, the protective ropes between the two adjacent sets of lifting cabinets have better windproof effect and integral linear effect, the protective ropes wound on the mounting column 2 can not be unwound under the action of a rotation stopping component 3, the protective ropes between the two adjacent sets of lifting cabinets can be ensured to be in a tightening state, when the protective ropes are required to be loosened, a poking part 312 is wrenched, a pawl 311 on a rotation stopping component 31 is separated from a tooth part of the ratchet wheel 25, and at the moment, the mounting column 2 can be rotated reversely (anticlockwise direction shown in fig. 3) to loosen the protective ropes; the rope winding fastening device has a simple structure, can effectively reduce the cost, can adjust the tension of the protective rope by only rotating the hexagonal boss 252 on the ratchet wheel 25, is very simple in fixing and dismounting of the end part of the protective rope, can quantitatively adjust the tension of the protective rope by the rotating angle of the hexagonal boss 252, and is very convenient to operate.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (10)

1. A roll-up cord fastening device for a lift gate, comprising:

A fixing seat;

The mounting column comprises a column body, an embedded part and at least one fastening bolt, wherein the column body is arranged on the fixing seat and is rotationally connected with the fixing seat, an inner concave part is arranged on the column body, the embedded part is accommodated in the inner concave part, the embedded part is detachably connected with the column body, the through hole is positioned between the column body and the embedded part, the fastening bolt is screwed on the embedded part, and the tail end of the fastening bolt can be positioned in the through hole; and

And the rotation stopping component is arranged on the fixed seat and used for limiting the rotation of the mounting column so that the mounting column can only rotate in one direction.

2. The rope fastening device according to claim 1, wherein the rotation stopping member comprises a rotation stopping member, a torsion spring and a fixing post, one end of the fixing post is arranged on the fixing base, the rotation stopping member and the torsion spring are both sleeved on the fixing post, one torsion arm of the torsion spring is fixed on the fixing base, the other torsion arm of the torsion spring is fixed on the rotation stopping member, the torsion spring is positioned between the rotation stopping member and the fixing base,

The end of the cylinder is provided with a ratchet wheel, and one end of the rotation stopping piece is provided with a pawl matched with the ratchet wheel.

3. The rope fastening device according to claim 2, wherein the end of the cylinder is provided with a square boss, the end face of the ratchet is provided with a recess adapted to the square boss, the square boss is inserted into the recess, and the ratchet is connected with the end of the cylinder by a fixing bolt.

4. A rope fastening device as claimed in claim 2, wherein the other end of the rotation stop member is provided with a toggle portion.

5. The rope fastening device according to claim 2, wherein the fixing post is a bolt, the fixing post is screwed on the fixing base, and a hexagonal boss is arranged at the end of the ratchet wheel.

6. The rope fastening device of claim 1, wherein the mounting post further comprises a connecting bolt, wherein the wall of the recess is provided with at least one first semicircular hole, the insert is provided with a second semicircular hole adapted to the first semicircular hole, the walls of the first and second semicircular holes form a perforation, and the insert is connected to the post by the connecting bolt.

7. The rope fastening device of claim 1, wherein the number of fastening bolts and perforations is three, and the ends of the three fastening bolts are respectively located in the three perforations.

8. The rope fastening device of claim 6, wherein the insert is provided with a countersink in which the nut of the fastening bolt and the nut of the connecting bolt are countersunk.

9. The rope fastening device according to any one of claims 1-8, wherein the fixing base comprises a top plate, a bottom plate, a first side plate and a second side plate, the top plate is connected with the bottom plate through the first side plate and the second side plate, the first side plate and the second side plate are vertically arranged,

The cylinder is rotationally connected with the top plate through the first bearing, the cylinder is rotationally connected with the bottom plate through the second bearing,

The rotation stopping component is arranged on the top plate.

10. The rope fastening device of claim 9, wherein the second side plate is provided with at least one through hole for inserting a rope of a lifting door.