Production line safety rope cable suspension device
Technical Field
The utility model relates to a safety rope cable suspension device convenient to constructor hangs safety rope, in particular to production line safety rope cable suspension device that is used for producing the part and need lifts by crane.
Background
The car body steel structure of rail vehicle often need climb to the top the operation when producing, because the automobile body is longer, in order to guarantee operation personnel's safety, need operation personnel to take when production operation and tie protective measures such as string safety rope, consequently, the safety rope that the operation personnel wore need firmly hang. Meanwhile, during the production operation of the vehicle body, the whole vehicle body needs to be hoisted into the station before the production operation, and the whole vehicle body needs to be hoisted out of the station after the production operation, so that the hoisting operation of the vehicle body cannot be influenced by the hoisting of the safety rope.
How to firmly hang safety ropes is the difficult point of automobile body production operation, patent No. 201610534431.5 discloses a safety rope suspension system, has a steel truss, and the steel truss strides across the both sides at subway station foundation ditch, installs the dolly track at the steel truss, and the walking dolly is portable to be installed on the dolly track, installs rings on the walking dolly, and wire rope installs on rings. Although this structure can realize firmly hanging safety rope, convenient operation, nevertheless because the steel truss spanes in the top of foundation ditch, if be used for the production operation of automobile body steel construction, then can't realize the safety of automobile body and lift by crane.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a simple structure, and convenient operation both can guarantee that the safety rope effectively hangs, does not hinder the production line safety rope cable suspension device that the production part safety lifted by crane simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a production line safety rope cable suspension device, includes the cantilever mechanism that the production line length direction set up is followed to the multiunit, but the bottom of cantilever mechanism is rotatably installed on the work walking board that is located production line one side, in the multiunit the tip of cantilever mechanism has concatenated the hanging rope install the safety rope on the hanging rope, cantilever mechanism changes through the rotation between the operation position that is located the production line top and the position that lifts by crane that is located production line one side.
Furthermore, the cantilever mechanism comprises an inverted-L-shaped cantilever frame and a rotating base, the bottom of a vertical arm of the cantilever frame is rotatably mounted on the rotating base, the rotating base is fixed on the working walking platform, and a rotation stopping assembly used for limiting the rotating position is arranged between the vertical arm and the rotating base.
Furthermore, a rotating main pin protruding upwards is installed on the rotating base, at least the bottom of the vertical arm is of a hollow structure, and the rotating main pin is inserted into the vertical arm to realize relative rotation.
Further, the rotation stopping assembly comprises a rotation stopping pin, a supporting seat, a limiting baffle and a guide cylinder, the top of the rotation stopping pin is movably installed on the supporting seat, the guide cylinder is penetrated below the rotation stopping pin, the rotation stopping pin can move up and down relative to the supporting seat and the guide cylinder, the bottom of the rotation stopping pin is selectively inserted into a rotation stopping hole formed in the rotary base, the rotation stopping hole is multiple and surrounds the rotating center of the vertical arm, the limiting baffle is installed above the supporting seat and used for limiting the maximum lifting height of the rotation stopping pin, and the supporting seat, the limiting baffle and the guide cylinder are all fixed on the vertical arm.
Furthermore, a limiting rod is connected to the top of the rotation stopping pin, the limiting rod extends out in the direction perpendicular to the rotation stopping pin, an open slot is formed in the supporting seat, and the limiting rod is clamped into the open slot to fix the rotation stopping pin.
Further, the supporting seat is composed of two parallel supporting plates, the rotation stopping pin is installed between the two supporting plates, and an open slot which is opened upwards is formed in the supporting plates.
Further, a rotating handrail for rotating the vertical arm is mounted on the vertical arm of the cantilever frame, the rotating handrail is rotatably connected with the vertical arm through a pin shaft, the rotating handrail rotates to a horizontal state when the vertical arm rotates, and the rotating handrail rotates to a vertical state after the vertical arm rotates in place.
Furthermore, a hanging rope fixing seat is installed at the front end of the horizontal arm of each cantilever frame, and the hanging ropes are tensioned and fixed among the hanging rope fixing seats.
Further, the hanging rope fixing seat comprises a fixing portion below and a connecting portion above, a through hole penetrating through the fixing portion is formed in the horizontal arm, the connecting portion upwards penetrates through the through hole and is fixed, the fixing portion is installed below the through hole, the diameter of the fixing portion is larger than that of the through hole, and a plurality of through holes used for penetrating through the hanging rope are formed in the fixing portion in the circumferential direction.
Further, horizontal arm top centers on the through-hole is provided with the spacing seat of hollow, connecting portion upwards pass through-hole and spacing seat, connecting portion stretch out the spacer pin to one side the top of spacing seat is opened along circumference has a plurality of spacing open slots, the spacer pin card is gone into realize the installation of hanging rope fixing base in the spacing open slot.
To sum up, the utility model discloses a production line safety rope cable suspension device, compare with prior art, have following advantage:
(1) the device is through the rotatable installation multiunit cantilever mechanism in one side of production line, before the operation of climbing the top, can turn to the cantilever mechanism to the operation position directly over the automobile body, hangs the safety rope on the hanging rope between multiunit cantilever mechanism, and the operation personnel can remove wantonly in the car length direction, not only can guarantee the operation personnel's of climbing the top safety, but also is favorable to improving the convenience of the operation of climbing the top. Meanwhile, after the top-climbing operation is finished, the plurality of groups of cantilever mechanisms can be rotated to the lifting position on one side of the vehicle body, so that large-scale production parts such as the vehicle body are not hindered from lifting upwards, the vehicle body is guaranteed to be lifted integrally and lifted out from the side direction of the platform after being finished, and the vehicle body can be lifted without obstacles.
(2) The device overall structure is simple, and the operation personnel accessible manual operation can make cantilever mechanism change between operation position and the position of lifting by crane, and easy operation is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural view of the hanging device of the present invention in an initial state;
FIG. 2 is a schematic structural view of the hanging device of the present invention in an operating state;
fig. 3 is a schematic structural diagram of the cantilever mechanism of the present invention;
fig. 4 is an exploded view of the structure of the cantilever mechanism of the present invention;
FIG. 5 is an enlarged view of section I of FIG. 3;
fig. 6 is a partial enlarged view of ii of fig. 3.
As shown in fig. 1 to 6, the production line 1, the work deck 2, the support column 3, the cantilever mechanism 4, the hanging rope 5, the cantilever frame 6, the vertical arm 6a, the horizontal arm 6b, the rotating base 7, the rotation stopping component 8, the rotating main pin 9, the rotation stopping pin 10, the support base 11, the limit baffle 12, the open slot 13, the guide cylinder 14, the rotation stopping hole 15, the limit rod 16, the rotating armrest 17, the hanging rope fixing seat 18, the fixing part 18a, the connecting part 18b, the via hole 19, the limit seat 20, the limit pin 21, the limit open slot 22, and the vehicle body 23.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
As shown in fig. 1 and 2, the present embodiment provides a hanging device for a safety rope of a production line, which is installed at one side of a production line 1, the production line 1 is used for producing large components with long length such as a car body 23, working walking platforms 2 are installed at both sides of the production line 1, the working walking platforms 2 extend along the length direction of the car body 23, and an operator can walk on the working walking platforms 2. The working platform 2 is fixed on the workshop floor through a plurality of supporting columns 3.
The cable suspension device that provides in this embodiment includes the cantilever mechanism 4 that the multiunit set up along 1 direction of production line, but cantilever mechanism 4's bottom is rotatable installs on work walking board 2, has concatenated at the tip of multiunit cantilever mechanism 4 and has hung rope 5, hangs rope 5 and leads to long the setting along the length direction of production line 1, installs safety rope (not shown in the figure) on hanging rope 5, and cantilever mechanism 4 changes between the operation position that is located production line 1 top and the position that lifts by crane that is located production line 1 one side through the rotation. In the present embodiment, preferably, three sets of boom mechanisms 4 are installed on one side of the production line 1, and two sets of boom mechanisms 4 are installed on both ends and in the middle of the production line 1.
As shown in fig. 1, the cantilever mechanisms 4 are schematically positioned at the lifting positions before the production operation, and at this time, all the cantilever mechanisms 4 turn to one side of the production line 1, so that the space right above the production station is avoided, and the vehicle body 23 can be conveniently lifted into the station. As shown in fig. 2, the boom mechanism 4 is schematically shown in the working position during the production work, and when the vehicle body 23 is suspended into the platform for preparation work, all the boom mechanisms 4 are turned right above the vehicle body 23, the worker can suspend the safety rope on the suspension rope 5, and the worker can move freely in the vehicle length direction, so that the safety of the worker who climbs the top can be ensured, and the convenience of the work of climbing the top can be improved. After the production operation is completed, all the boom mechanisms 4 are again turned to the lifting position shown in fig. 1, at which time the car body 23 is lifted out of the station from one side by means of a crown block.
As shown in fig. 3 and 4, the boom mechanism 4 includes an inverted L-shaped boom housing 6 and a rotating base 7, and the boom housing 6 is composed of a vertical arm 6a and a horizontal arm 6 b. The bottom of a vertical arm 6a of the cantilever frame 6 is rotatably mounted on a rotating base 7, the rotating base 7 is fixed on the work bench 2 through screws, and a rotation stopping assembly 8 for limiting the rotating position is arranged between the vertical arm 6a and the rotating base 7.
As shown in fig. 4, a rotating main pin 9 protruding upward is installed on the rotating base 7, at least the bottom of the vertical arm 6a is of a hollow structure, the rotating main pin 9 is inserted into the vertical arm 6a to realize relative rotation, so as to avoid large shaking during rotation and ensure stable operation during rotation, a bearing seat (not shown in the figure) is arranged on the rotating base 7, a bearing is installed in the bearing seat, and the bottom of the vertical arm 6a is inserted into the bearing seat to realize rotation connection.
As shown in fig. 5, the rotation stopping assembly 8 includes a rotation stopping pin 10, a supporting seat 11, a limit stop 12 and a guiding cylinder 14, wherein the supporting seat 11, the limit stop 12 and the guiding cylinder 14 are all welded and fixed on the vertical arm 6 a. The bottom of the rotation stop pin 10 is selectively inserted into a rotation stop hole 15 provided in the rotation base 7, the rotation stop holes 15 are provided in plural and around the rotation center of the vertical arm 6a, the rotation position of the cantilever holder 6 can be fixed by inserting the bottom of the rotation stop pin 10 into the rotation stop hole 15, and the cantilever holder 6 can be rotated arbitrarily by pulling out the rotation stop pin 10 from the rotation stop hole 15.
Wherein the top of the rotation stopping pin 10 is movably mounted on a support base 11, the lower part of the rotation stopping pin 10 passes through a guide cylinder 14, the rotation stopping pin 10 can move up and down relative to the support base 11 and the guide cylinder 14, the support base 11 is composed of two parallel support plates (not marked in the figure), the rotation stopping pin 10 is mounted between the two support plates, an open slot 13 which is opened upwards is arranged on each supporting plate, a horizontal limiting rod 16 is connected to the top of the stop pin 10, the limiting rod 16 is vertical to the rotation-stopping pin 10, the limiting rod 16 can be clamped into the open slot 13 after being pulled out of the rotation-stopping hole 15 to fix the rotation-stopping pin 10, when the stop lever needs to fall down and be inserted into the stop hole 15 at the lower part, the limit lever 16 is lifted upwards to be separated from the open slot 13 and rotated to the position between the two supporting plates, the anti-rotation pin 10 can be dropped, the limit rod 16 can also be used as a handle for an operator to operate the anti-rotation pin 10, and the operator can move the anti-rotation pin 10 upwards or downwards by holding the limit rod 16.
The limiting baffle 12 is installed above the supporting seat 11 and used for limiting the maximum lifting height of the rotation stopping pin 10, so that the rotation stopping pin 10 is prevented from sliding out of the guide cylinder 14, and operation of an operator is facilitated.
As shown in fig. 3 and 4, a rotary armrest 17 for rotating the vertical arm 6a is mounted on the vertical arm 6a of the cantilever frame 6, the rotary armrest 17 is rotatably connected to the vertical arm 6a through a pin 18, and the rotary armrest 17 is rotated to a horizontal state when the vertical arm 6a rotates, so that an operator can conveniently rotate the vertical arm 6a, the moment is increased, and the labor intensity of rotation is reduced. After the vertical arm 6a rotates to the position, the rotating handrail 17 is loosened, and the rotating handrail 17 naturally rotates to the vertical state and is parallel to the vertical arm 6a, so that the redundant space is not occupied.
As shown in fig. 3 and 6, a hanging rope fixing seat 18 is installed at the front end of the horizontal arm 6a of each cantilever frame 6, and the hanging rope 5 is fastened and fixed between the three hanging rope fixing seats 18.
The hanging rope fixing seat 18 comprises a fixing part 18a at the lower part and a connecting part 18b at the upper part, a through hole (not marked in the figure) penetrates through the horizontal arm 6a, the connecting part 18b upwards penetrates through the through hole and is fixed, the fixing part 18a is installed below the through hole, the diameter of the fixing part 18a is larger than that of the through hole, the fixing part 18a is clamped on the lower surface of the horizontal arm 6a after installation, and a plurality of through holes 19 for penetrating through the hanging rope are formed in the fixing part 18a along the circumferential direction.
In order to fix the hanging rope fixing seat 18 conveniently, in this embodiment, a hollow limiting seat 20 is arranged above the horizontal arm 6a around the through hole, the connecting portion 18b penetrates through the through hole and the limiting seat 20 upwards, a limiting pin 21 extends out of the top of the connecting portion 18b to one side, a plurality of limiting open grooves 22 are formed in the top of the limiting seat 20 along the circumferential direction, and the limiting pin 21 is clamped into the limiting open grooves 22 to achieve installation of the hanging rope fixing seat 18. Meanwhile, an operator can tighten the passing hanging rope 5 by rotating the hanging rope fixing seat 18, and the limiting pin 21 is clamped into the corresponding limiting open slot 22 to fix the hanging rope fixing seat 18. The structure not only can effectively fix the hanging rope 5 and prevent loosening, but also can conveniently adjust the tensioning state of the hanging rope 5.
During the production operation of the vehicle body, the operation steps are as follows:
1. as shown in fig. 1, before the production operation, all the boom mechanisms 4 are rotated on one side of the production line 1, and the vehicle body 23 is suspended into the platform while avoiding the space directly above the production platform.
2. As shown in fig. 2, after the car body 23 is hung on the platform, the operator pulls out the rotation preventing pin 10, simultaneously rotates the rotating arm rest 17 upward to a horizontal state, holds the rotating arm rest 17 to rotate the cantilever frame 6, rotates the cantilever frame 6 to a position right above the car body 23, and then inserts the rotation preventing pin 10 into the corresponding rotation preventing hole 15 of the rotating base 7.
The three sets of boom housings 6 operate in sequence.
3. The operator can hang the safety rope on the hanging rope 5, and the operator can move freely in the vehicle length direction to perform related climbing operation.
4. After the operation is finished, the rotation stopping pin 10 is pulled out, the cantilever frames 6 are rotated to one side of the trolley body 23, the rotation stopping pin 10 falls into the corresponding rotation stopping hole 15, the three groups of cantilever frames 6 operate in sequence to avoid the space above the trolley body 23, the trolley body 23 is integrally hoisted by using a crown block, and the platform is hoisted out from one side.
The device is through rotatable installation multiunit cantilever mechanism 4 in one side of production line 1, before the operation of climbing the top, can turn to cantilever mechanism 4 to the operation position directly over automobile body 23, hangs the safety rope on the lifting rope 5 between multiunit cantilever mechanism 4, and the operation personnel can remove wantonly in the car length direction, not only can guarantee the operation personnel's of climbing the top safety, but also is favorable to improving the convenience of the operation of climbing the top. Meanwhile, after the top climbing operation is finished, the plurality of groups of cantilever mechanisms 4 can be rotated to the lifting position on one side of the vehicle body 23, so that large production parts such as the vehicle body 23 are not prevented from being lifted upwards, and the vehicle body 23 is ensured to be lifted out from the side direction of the platform after being lifted. The vehicle body 23 can be lifted without obstacles.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.