CN211306227U - Large-torque-value application auxiliary device for hoisting large-scale equipment under motor train unit - Google Patents
Large-torque-value application auxiliary device for hoisting large-scale equipment under motor train unit Download PDFInfo
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- CN211306227U CN211306227U CN201921880687.7U CN201921880687U CN211306227U CN 211306227 U CN211306227 U CN 211306227U CN 201921880687 U CN201921880687 U CN 201921880687U CN 211306227 U CN211306227 U CN 211306227U
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Abstract
The utility model discloses a large-scale equipment hoisting large moment value application auxiliary device under a motor train unit, which comprises a supporting rotating mechanism, a reaction force application mechanism, a carrying platform and a movable supporting mechanism assembled below the carrying platform; the upper part of a manual control hanger assembly of the carrying platform is connected with the support rotating mechanism so as to drive a sleeve wrench of the support rotating mechanism to move along the vertical direction, and the lower part of the manual control hanger assembly of the carrying platform is connected with the movable support mechanism so as to drive the universal rotating wheel to move up and down; the lower part of the supporting and rotating mechanism is provided with a ratchet torque wrench which is connected with the socket wrench head and drives the socket wrench head to rotate. The utility model discloses an auxiliary device design has the support slewing mechanism, reaction force and applys mechanism and carries on the platform, and high reduction to lower height is applyed with higher torsion to the manual control hanging rack subassembly through carrying on platform internal integration, and the operator of being convenient for exerts power when applying the moment of torsion, avoids operating personnel muscle strain.
Description
Technical Field
The utility model relates to an assembly and electrical construction technical field under the EMUs car especially relate to an auxiliary device is applyed to big moment value of EMUs under car main equipment hoist and mount.
Background
In the production process of the motor train unit, enough construction operation space needs to be reserved for operators during under-train assembly and electrical construction, a vehicle supporting tool is designed according to the distance between the lower plane of a train body and the ground by 1.7 meters, but fastening torsion needs to be applied after large-scale equipment under the train is hoisted, the actual operation height of the operators is more than 1.6 meters when the torsion is applied, the height is higher than the shoulders of the operators, the application of 300M.m torque needs to be completed by using the strength of the waist, the back and the arms, the construction difficulty is caused by the excessively high stress point, and muscle strain is often caused by high working strength.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be convenient for constructor strength is applyed, is solved torsion and is applyed personnel's work damage, is improved labor efficiency, and novel structure, practicality are high EMUs under car main equipment hoist and mount big moment value and apply auxiliary device.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses an auxiliary device is applyed to heavy equipment hoist and mount big moment value under EMUs car, include:
the upper part of the supporting and rotating mechanism is integrated with a sleeve wrench head which is matched with the bolt to be pre-tightened so as to apply pre-tightening force to the bolt to be pre-tightened;
the reaction force applying mechanism is in transmission connection with the support rotating mechanism, receives the acting force in the vertical direction transmitted by the support rotating mechanism and provides reaction force through a reaction force main spring integrated in the reaction force applying mechanism;
a carrying platform mounted below the reaction force applying mechanism and having a manual control hanger assembly; and
the movable support mechanism is assembled below the carrying platform and is integrated with a universal rotating wheel capable of swinging to realize lifting;
the upper part of the manual control hanger assembly of the carrying platform is connected with the supporting and rotating mechanism to drive a sleeve wrench head of the supporting and rotating mechanism to move along the vertical direction, and the lower part of the manual control hanger assembly of the carrying platform is connected with the movable supporting mechanism to drive the universal rotating wheel to move up and down;
the lower part of the supporting and rotating mechanism is provided with a ratchet torque wrench which is connected with the socket wrench head and drives the socket wrench head to rotate.
Further, the movable supporting mechanism comprises a base frame, the base frame is configured to be a hollow cuboid structure, the lower part of the base frame is hollow, and the universal rotating wheel passes through the hollow part of the base frame during lifting movement;
the side surface inside the base frame is rotatably connected with a lever support arm through a lever support arm rotating shaft, and the lower part of one end of the lever support arm, which is far away from the lever support arm rotating shaft, is provided with the universal rotating wheel;
the lever support arm can rotate around the lever support arm rotating shaft to drive the universal rotating wheel to rise or fall;
when the lever support arm drives the universal rotating wheel to descend, the universal rotating wheel penetrates through the hollow part at the lower part of the base frame and contacts the ground, and the base frame is lifted to be separated from the ground;
when the lever support arm drives the universal rotating wheel to ascend, the base frame descends and contacts the ground;
the lower surface of the base frame is adhered with an anti-skid rubber mat;
a guide pipeline is fixedly welded in the middle of the upper surface of the base frame;
the guide pipeline is provided with a movable supporting mechanism guide post along the axial direction;
the upper end of the guide column of the movable supporting mechanism extends to the upper part of the guide pipeline, and the lower end of the guide column of the movable supporting mechanism extends to the lower part of the guide pipeline and is partially arranged in the base frame;
the end part of one end of the guide post of the movable supporting mechanism, which is arranged in the base frame, is fixedly connected with a lever support arm driving plate which extends horizontally;
when the lever support arm drives the universal rotating wheel to rise to the limit position of the storage state, a 2mm gap is reserved between the lower surface of the lever support arm driving plate and the lever support arm;
when the lever support arm drives the universal rotating wheel to descend, the lever support arm driving plate contacts the lever support arm and provides a downward acting force.
Furthermore, the support rotating mechanism comprises a support frame and a lengthened connecting rod stable framework fixedly connected to the upper part of the support frame through a lengthened connecting rod stable framework fastening bolt;
the lengthened connecting rod stable framework is provided with a through hole;
the through hole of the lengthened connecting rod stable framework is internally provided with a lengthened connecting rod in a penetrating way;
the upper end part of the lengthened connecting rod extends to the upper part of the lengthened connecting rod stable framework, the end part of one end, positioned above the lengthened connecting rod stable framework, is fixedly connected with the sleeve wrench, and the sleeve wrench is provided with a nut embedding hole matched with a bolt to be pre-tightened;
the lower end part of the lengthened connecting rod extends to the lower part of the lengthened connecting rod stable framework, and the ratchet wheel torque wrench extending along the horizontal direction is installed at the lower part of the lengthened connecting rod.
Further, the reaction force applying mechanism includes a transition frame;
the upper end of the transition frame is provided with a reaction force upper support which partially penetrates through the transition frame;
the reaction force upper support is provided with a through hole along the axial direction, and a guide pin penetrates through the through hole;
the lower part of the transition frame is fixedly connected with a reaction force lower support which is provided with a through hole coaxial with the through hole formed in the reaction force upper support, and the guide pin extends downwards and penetrates through the reaction force lower support;
the part of the guide pin, which is arranged between the reaction force upper support and the reaction force lower support, is sleeved with the reaction force main spring;
the upper part of the reaction force upper support is inserted with a torque wrench head insert;
the torque wrench head insert comprises an embedded rod body and an insert groove formed at the upper end of the embedded rod body;
the lower part of the end part of the ratchet torque wrench is embedded in the embedding groove;
the lower part of the embedded rod body is inserted into the reaction force upper support.
Furthermore, the embedded rod body is connected with a plane bearing in a transmission mode.
Furthermore, three balance acting springs are uniformly distributed on the reaction force upper support along the circumferential direction of the reaction force upper support;
three balance spring limiting bolts are arranged between the reaction force upper support and the transition frame;
each balance action spring limiting bolt is sleeved with one balance action spring.
Further, the carrying platform comprises a carrying platform upper frame;
the upper frame of the carrying platform is assembled with the lower surface of the transition frame through a fastening bolt;
a lower platform surface fixing hanger is arranged below the upper frame of the carrying platform, and is a vertical plate structure which is distributed at four turning positions of the upper frame of the carrying platform and extends along the vertical direction;
the fixed hanging racks on the lower surfaces of the four platforms are distributed in a square shape;
the fixed hanging rack on the lower surface of the platform is connected with a movable support through a fastening bolt;
the lower end of the movable support is fixedly connected with the upper surface of the base frame through a fastening bolt;
the manual control hanger assembly is mounted on the lower surface of the upper frame of the carrying platform.
Furthermore, the manual control hanger assembly comprises a fixed end hanger and a movable end limiting hanger which are fixed on the lower surface of the upper frame of the carrying platform at intervals along the vertical direction;
the manual control hanger assembly further comprises:
a first manually controlled linkage;
a second manual control link;
the fixed end hanging frame is provided with two mounting holes at intervals along the length direction, namely a first mounting hole at the upper part and a second mounting hole at the lower part;
the first manual control connecting rod is fixedly inserted into the first mounting hole through a first fixed end socket;
the second manual control connecting rod is fixedly inserted into the second mounting hole through a second fixing end;
one end, far away from the first fixed end, of the first manual control connecting rod is provided with a first connecting rod handle;
one end, far away from the second fixed end, of the second manual control connecting rod is provided with a second connecting rod handle;
the first manual control connecting rod is hinged with the first fixed end through a rotating pin shaft and can swing up and down around the rotating pin shaft;
the second manual control connecting rod is hinged with the second fixed end through a rotating pin shaft, and the second manual control connecting rod can swing up and down around the rotating pin shaft;
the first manual control connecting rod penetrates through a first manual control connecting rod fisheye structure, and the first manual control connecting rod fisheye structure is provided with an upward extending connecting bolt;
the second manual control connecting rod penetrates through a second manual control connecting rod fisheye structure, and the second manual control connecting rod fisheye structure is provided with a connecting bolt extending downwards;
the guide pin of the reaction force applying mechanism is connected with the connecting bolt of the first manual control connecting rod fisheye structure;
the movable supporting mechanism guide column of the movable supporting mechanism is connected with the connecting bolt of the second manual control connecting rod fisheye structure;
the first manual control connecting rod drives the guide pin of the reaction force applying mechanism to reciprocate up and down;
the second manual control connecting rod drives the movable supporting mechanism guide post of the movable supporting mechanism to reciprocate up and down.
Further, the movable support comprises a first movable support split body extending along the vertical direction and a second movable support split body formed on the first movable support split body and extending outwards along the inclined direction;
the first movable support is in adjustable assembly connection with the fixed hanging rack on the lower surface of the platform through a fastening bolt;
the first movable support split body and the platform lower surface fixing hanger are uniformly provided with a plurality of screw holes, and the fastening bolt can be inserted into any one of the screw holes to adjust the height of the first movable support split body.
In the technical scheme, the utility model provides a pair of big moment value of heavy equipment hoist and mount under EMUs car is applyed auxiliary device has following beneficial effect:
the utility model is provided with a supporting rotating mechanism, a reaction force applying mechanism and a carrying platform, and the higher torsion applying height is reduced to a lower height through the manual control hanging rack assembly integrated in the carrying platform, so that an operator can apply force when applying the torsion, and the muscle strain of the operator is avoided;
the utility model discloses an auxiliary device novel structure, structural connection stability are good, and can conveniently remove and fix a position through activity supporting mechanism, adapt to the operation requirement in the narrow and small space in scene.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic structural view of a large moment value application auxiliary device for hoisting large-scale equipment under a motor train unit disclosed by an embodiment of the utility model;
FIG. 2 is a schematic structural view of a movable support mechanism of a large-torque-value application auxiliary device for hoisting large-scale equipment under a motor train unit disclosed by the embodiment of the invention;
FIG. 3 is a schematic structural view of a supporting and rotating mechanism of a large-scale device under a motor train unit for hoisting a large moment value application auxiliary device, which is disclosed by the embodiment of the utility model;
FIG. 4 is a schematic structural view of a reaction force applying mechanism of a large-scale device under a motor train unit for hoisting large moment value applying auxiliary device disclosed by the embodiment of the invention;
FIG. 5 is a schematic structural view of a carrying platform for lifting a large moment value application auxiliary device for a large-scale device under a motor train unit disclosed by the embodiment of the invention;
fig. 6 is the embodiment of the utility model discloses a structural schematic diagram of manual control hanger subassembly among EMUs under-car main equipment hoist and mount large moment value and apply auxiliary device's the mounting platform.
Description of reference numerals:
1. a movable support mechanism; 2. a support rotation mechanism; 3. a reaction force applying mechanism; 4. a mounting platform; 5. fastening a bolt;
101. a base frame; 102. an anti-slip rubber pad; 103. a universal rotating wheel; 104. a lever arm; 105. a lever arm shaft; 106. a lever arm drive plate; 107. a guide duct; 108. a movable supporting mechanism guide post;
201. a support frame; 202. lengthening the connecting rod; 203. a lengthened connecting rod stabilizing framework; 204. a socket wrench; 205. A ratchet torque wrench; 206. a torque wrench insert; 207. a flat bearing;
301. a transition frame; 302. a reaction force upper support; 303. a reaction force lower support; 304. a guide pin; 305. a reaction force main spring; 306. a counterbalancing spring;
401. carrying an upper frame of the platform; 402. a hanging rack is fixed on the lower surface of the platform; 403. a movable support; 404. A fixed end hanging rack; 405. a movable end limiting hanging rack; 406. a first mounting hole; 407. a second mounting hole; 408. a first manually controlled linkage; 409. a second manual control link; 410. a first link handle; 411. a second link handle; 412. a first fixed end; 413. a second fixed end; 414. a first manually controlled connecting rod fisheye structure; 415. a second manual control connecting rod fisheye structure; 416. and rotating the pin shaft.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 6;
the big moment value of heavy equipment hoist under EMUs car of this embodiment applies auxiliary device includes:
a sleeve spanner 204 is integrated on the upper part of the supporting and rotating mechanism 2, and the sleeve spanner 204 is matched with the bolt to be pre-tightened so as to apply pre-tightening force to the bolt to be pre-tightened;
a reaction force applying mechanism 3, wherein the reaction force applying mechanism 3 is in transmission connection with the support rotating mechanism 2, and the reaction force applying mechanism 3 receives the acting force in the vertical direction transmitted by the support rotating mechanism 2 and provides a reaction force through a reaction force main spring 305 integrated in the reaction force applying mechanism 3;
a carrying platform 4, wherein the carrying platform 4 is installed below the reaction force applying mechanism 3, and the carrying platform 4 is provided with a manual control hanger component; and
the movable supporting mechanism 1 is assembled below the carrying platform 4, and the movable supporting mechanism 1 is integrated with a universal rotating wheel 103 which can swing to realize lifting;
the upper part of the manual control hanger assembly of the carrying platform 4 is connected with the support rotating mechanism 2 to drive the sleeve spanner 204 of the support rotating mechanism 2 to move along the vertical direction, and the lower part of the manual control hanger assembly of the carrying platform 4 is connected with the movable support mechanism 1 to drive the universal rotating wheel 103 to move up and down;
the lower portion of the support rotation mechanism 2 has a ratchet torque wrench 205 that is connected to the socket wrench 204 and drives the socket wrench 204 to rotate.
Specifically, the embodiment discloses an auxiliary device which can flexibly change the working state and is suitable for applying a large moment value after large-scale equipment under a motor train unit is hoisted; according to the requirement of operation height during actual operation, the auxiliary device disclosed by the embodiment can lower the torsion applying point to the preset requirement height, so that the force of constructors can be conveniently applied, the labor damage of the torsion applying personnel is avoided, and the labor efficiency is improved. The auxiliary device mainly comprises four mechanisms, namely a supporting rotating mechanism 2, a reaction force applying mechanism 3, a carrying platform 4 and a movable supporting mechanism 1, wherein the movable supporting mechanism 1 is used as the basis of the auxiliary device, the movement is completed through a universal rotating wheel 103 integrated on the movable supporting mechanism 1, meanwhile, the universal rotating wheel 103 is designed to be retractable, when the auxiliary device arrives at a specified place, the universal rotating wheel is retracted, and the movable supporting mechanism 1 is used as the whole supporting basis to be positioned at a specified position. And this auxiliary device upper end integrated support slewing mechanism 2 has the sleeve spanner 204 that matches with the nut of treating the pretension bolt, during the use, the nut of treating the pretension bolt stretches into in sleeve spanner 204, with the nut joint in interior, simultaneously, the auxiliary device of this embodiment's another main function can apply some reductions with torsion promptly, specifically realize through carrying on platform 4 upper integrated manual control hanger subassembly, it is connected in the support slewing mechanism 2 of top and the activity supporting mechanism 1 of below respectively, realize the height of adjustment sleeve spanner 204 on the one hand, drive universal runner 103's lift on the one hand, very high use value has, the high practicality is improved.
Preferably, in the present embodiment, the movable supporting mechanism 1 includes a base frame 101, the base frame 101 is configured to be a hollow rectangular parallelepiped structure, and a lower portion of the base frame 101 is hollowed out, and the universal wheel 103 passes through the hollowed-out portion of the base frame 101 during the lifting movement;
the side surface inside the base frame 101 is rotatably connected with a lever support arm 104 through a lever support arm rotating shaft 105, and the lower part of one end of the lever support arm 104, which is far away from the lever support arm rotating shaft 05, is provided with a universal rotating wheel 103;
the lever arm 104 can rotate around a lever arm rotating shaft 105 to drive the universal rotating wheel 103 to ascend or descend;
when the lever support arm 104 drives the universal rotating wheel 103 to descend, the universal rotating wheel 103 penetrates through the hollow part at the lower part of the base frame 101 and contacts the ground, and the base frame 101 is lifted to be separated from the ground;
when the lever support arm 104 drives the universal rotating wheel 103 to ascend, the base frame 101 descends and contacts the ground;
the lower surface of the base frame 101 is adhered with an anti-slip rubber mat 102;
a guide pipeline 107 is fixedly welded at the middle position of the upper surface of the base frame 101;
a guide pipe 107 is provided with a movable supporting mechanism guide post 108 along the axial direction;
the upper end of the movable supporting mechanism guide post 108 extends to the upper part of the guide duct 107, and the lower end of the movable supporting mechanism guide post 108 extends to the lower part of the guide duct 107 and is partially arranged in the base frame 101;
the end part of one end of the guide post 108 of the movable supporting mechanism arranged in the base frame 101 is fixedly connected with a lever support arm driving plate 106 which extends horizontally;
when the lever support arm 104 drives the universal rotating wheel 103 to rise to the limit position of the storage state, a 2mm gap is reserved between the lower surface of the lever support arm driving plate 106 and the lever support arm 104;
when the lever arm 104 moves the universal wheel 103 downward, the lever arm driving plate 106 contacts the lever arm 104 and provides a downward force.
The present embodiment mainly describes the structure of the movable support 1, which uses the base frame 101 as the main body, and the inside is hinged with the universal wheel 103 through the lever arm 104, and the universal wheel 103 extends and retracts through the swing of the lever arm 104. Meanwhile, in order to drive the swing of the lever arm 104, a movable supporting mechanism guide post 108 capable of reciprocating in the vertical direction is designed, in order to realize the guiding of the movable supporting mechanism guide post 108, the guide pipeline 107 is fixedly connected to the base frame 101, the movable supporting mechanism guide post 108 is ensured to move along a specified track, the movable supporting mechanism guide post 108 drives the lever arm drive plate 106 at the end part to ascend or descend while moving, and the movable supporting mechanism guide post contacts with the upper surface of the lever arm 104 to complete the pressing-down action so as to drive the lever arm 104 to swing, and finally, in consideration of the service life and the damping problem of the base frame 101, an anti-skid rubber pad 102 is stuck and fixed at the bottom of the base frame 101, and the anti-skid rubber pad 102 can also ensure the supporting stability, increase the friction force with the ground and increase the ground gripping force.
Preferably, the supporting and rotating mechanism 2 in this embodiment includes a supporting frame 201, and an elongated connecting rod stabilizing frame 203 fixedly connected to the upper portion of the supporting frame 201 through a fastening bolt 5;
the lengthened connecting rod stabilizing framework 203 is provided with a through hole;
a lengthened connecting rod 202 penetrates through a through hole of the lengthened connecting rod stabilizing framework 203;
the upper end part of the lengthened connecting rod 202 extends to the upper part of the lengthened connecting rod stable framework 203, the end part of one end, which is positioned above the lengthened connecting rod stable framework 203, is fixedly connected with a sleeve wrench head 204, and the sleeve wrench head 204 is provided with a nut embedding hole matched with a bolt to be pre-tightened;
the lower end portion of the extension link 202 extends below the extension link stabilizing frame 203, and the lower portion of the extension link 202 is mounted with a ratchet torque wrench 205 extending in the horizontal direction.
The embodiment specifically describes the structure of the support rotating mechanism 2, which reduces the torque applied from high to low by the lengthening connecting rod 202, that is, the lengthening connecting rod 202 which is fixed on the side surface of the support frame 201 by the lengthening connecting rod stabilizing framework 203 and extends in the vertical direction, and realizes the torque transmission by controlling the up-and-down movement of the lengthening connecting rod 202 and utilizing the socket wrench 204 at the upper end of the lengthening connecting rod 202 and the ratchet torque wrench 205 at the lower end of the lengthening connecting rod 202, so that the torque application can still be realized below the elevation, and the damage to the constructors caused by the over-high height can be avoided.
Preferably, the reaction force applying mechanism 3 includes a transition frame 301;
the upper end of the transition frame 01 is provided with a reaction force upper support 302 which partially passes through the transition frame 301;
the reaction force upper support 302 has a through hole along its axial direction, and a guide pin 304 is inserted into the through hole;
the lower part of the transition frame 301 is fixedly connected with a reaction force lower support 303, the reaction force lower support 303 is provided with a through hole which is coaxial with the through hole formed in the reaction force upper support 302, and a guide pin 304 extends downwards and penetrates through the reaction force lower support 303;
a reaction force main spring 305 is sleeved on the part of the guide pin 304, which is arranged between the reaction force upper support 302 and the reaction force lower support 303;
the torque wrench insert 206 is inserted into the upper part of the reaction force upper support 302;
the torque wrench head insert 206 includes an insert stem and an insert slot formed at an upper end of the insert stem;
the lower part of the end of the ratchet torque wrench 205 is embedded in the embedding groove;
the lower portion of the embedded stem is inserted into the reaction force upper holder 302.
Wherein, the embedded rod body is connected with a plane bearing 207 in a transmission way.
In addition, the reaction force upper support 302 is uniformly provided with three balance acting springs 306 along the circumferential direction;
three balance spring limiting bolts are arranged between the reaction upper support 302 and the transition frame 301;
each balance spring limiting bolt is sleeved with a balance spring 306.
The reaction force applying mechanism 3 is designed to be used in cooperation with the supporting and rotating mechanism 2 above, and provides an upward reaction force for the device when the torque wrench head insert 206 above moves downwards so as to avoid damage to the device due to too large downward amplitude, and particularly provides a reaction force for the mechanism above through the reaction force main spring 305 pressed on the reaction force main spring, so that the mechanism can be conveniently recovered and rebounded. In addition, in view of balancing, three balancing springs 306 are circumferentially distributed on the reaction upper support 302, and the three balancing springs 306 are angularly distributed at 120 ° to each other.
Preferably, the mounting platform 4 in the present embodiment includes a mounting platform upper frame 401;
the upper frame 401 of the carrying platform is assembled with the lower surface of the transition frame 401 through a fastening bolt 5;
a lower platform surface fixing hanger 402 is arranged below the upper frame 401 of the carrying platform, and the lower platform surface fixing hanger 402 is a vertical plate structure which is distributed at four turning positions of the upper frame 401 of the carrying platform and extends along the vertical direction;
the four platform lower surface fixing hangers 402 are distributed in a square shape;
the platform lower surface fixing hanger 402 is connected with a movable bracket 403 through a fastening bolt;
the lower end of the movable bracket 403 is fixedly connected with the upper surface of the base frame 101 through a fastening bolt 5;
a manual control hanger assembly is mounted on the lower surface of the upper frame 401 of the carrying platform.
The manual control hanger assembly comprises a fixed end hanger 404 and a movable end limiting hanger 405 which are fixed on the lower surface of the upper frame 401 of the carrying platform at intervals in the vertical direction;
the manual control hanger subassembly still includes:
a first manually controlled link 408;
a second manual control link 409;
the fixed end hanger 404 is provided with two mounting holes at intervals along the length direction, namely a first mounting hole 406 at the upper part and a second mounting hole 407 at the lower part;
the first manual control connecting rod 408 is inserted and fixed in the first mounting hole 406 through the first fixing end 412;
the second manual control connecting rod 409 is fixedly inserted into the second mounting hole 407 through a second fixing end 413;
the first manually controlled link 408 has a first link handle 410 at an end remote from the first fixed end 412;
the end of the second manual control link 409 far away from the second fixed end 413 is provided with a second link handle 411;
the first manual control link 408 is hinged to the first fixed end 412 through a rotating pin 416, and the first manual control link 408 can swing up and down around the rotating pin 416;
the second manual control connecting rod 409 is hinged with the second fixed end 413 through a rotating pin 416, and the second manual control connecting rod 409 can swing up and down around the rotating pin 416;
the first manual control connecting rod 408 is provided with a first manual control connecting rod fisheye structure 414 in a penetrating manner, and the first manual control connecting rod fisheye structure 414 is provided with a connecting bolt extending upwards;
a second manual control connecting rod fisheye structure 415 is arranged in the second manual control connecting rod 409 in a penetrating mode, and the second manual control connecting rod fisheye structure 415 is provided with a connecting bolt extending downwards;
the guide pin 304 of the reaction force applying mechanism 3 is connected with the connecting bolt of the first manual connecting rod fisheye structure 414;
the movable supporting mechanism guide post 108 of the movable supporting mechanism 1 is connected with the connecting bolt of the second manual control connecting rod fisheye structure 415;
the first manual link 408 drives the guide pin 304 of the reaction force applying mechanism 3 to reciprocate up and down;
the second manual control link 409 drives the movable supporting mechanism guide post 108 of the movable supporting mechanism 1 to reciprocate up and down.
More specifically, the movable bracket 403 includes a first movable bracket sub-body extending in a vertical direction, and a second movable bracket sub-body formed on the first movable bracket sub-body and extending outward in an inclined direction;
the first movable support split body is in adjustable assembly connection with the fixed hanging rack 402 on the lower surface of the platform through a fastening bolt 5;
a plurality of screw holes are uniformly distributed on the first movable support split body and the platform lower surface fixing hanger 402, and the fastening bolt 5 can be inserted into any screw hole to adjust the height of the first movable support split body. The movable support 403 in this embodiment is mainly used to adjust the height of the framework at this position by the fastening bolt 5 at this position, and this embodiment is adjusted by forming a plurality of screw holes, and meanwhile, as a technical solution for expansion, the movable support 403 and the platform lower surface fixing hanger 402 obtained in this embodiment can be slidably connected in a sliding way, and then fastened by the fastening bolt.
Wherein, during the specific operation: the second connecting rod handle 411 is pressed downwards, so that the second manual control connecting rod 409 is arranged at the limiting position below the movable end limiting hanger 405, the universal rotating wheel 103 can descend, the universal rotating wheel 103 is contacted with the ground, at the moment, the base frame 101 and the anti-skid rubber mat 02 are lifted upwards and are far away from the ground, next, the first connecting rod handle 410 is pressed downwards, so that the second manual control connecting rod 409 is arranged at the limiting position above the movable end limiting hanger 405, the sleeve wrench head 204 at the top end is driven to descend, the whole device is moved to the position below a bolt needing pre-tightening, the first connecting rod handle 410 is moved rightwards, the first manual control connecting rod 408 is driven to get rid of the limitation of the movable end limiting hanger 405, the nut is sleeved in the sleeve wrench head 204, the second connecting rod handle 411 is moved rightwards, the second manual control connecting rod 409 is driven to get rid of the limitation of the movable end limiting hanger 405, at the moment, the universal rotating wheel 103 is lifted, and the stable support of the whole device is realized. The user promotes ratchet moment spanner 205 of top and carries out moment and applys, and the back of finishing being under construction pushes down second connecting rod handle 411 for second manual control connecting rod 409 is spacing by the spacing stores pylon 405 of expansion end again, orders about universal runner 103 and descends, and constructor alright remove whole device this moment, accomplishes the process that whole pretightning force was applyed.
In the technical scheme, the utility model provides a pair of big moment value of heavy equipment hoist and mount under EMUs car is applyed auxiliary device has following beneficial effect:
the utility model is provided with a supporting rotating mechanism 2, a reaction force applying mechanism 3 and a carrying platform 4, and the higher torsion applying height is reduced to a lower height through a manual control hanging rack assembly integrated in the carrying platform 4, so that an operator can apply force when applying the torsion, and the muscle strain of the operator is avoided;
the utility model discloses an auxiliary device novel structure, structural connection stability are good, and can conveniently remove and fix a position through activity supporting mechanism 1, adapt to the operation requirement in the narrow and small space in scene.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (9)
1. Big moment value of big equipment hoist and mount under EMUs car is applyed auxiliary device, its characterized in that includes:
the support rotating mechanism (2), a sleeve spanner (204) is integrated on the upper portion of the support rotating mechanism (2), and the sleeve spanner (204) is matched with the bolt to be pre-tightened so as to apply pre-tightening force to the bolt to be pre-tightened;
the reaction force applying mechanism (3), the reaction force applying mechanism (3) is in transmission connection with the support rotating mechanism (2), and the reaction force applying mechanism (3) receives the action force in the vertical direction transmitted by the support rotating mechanism (2) and provides a reaction force through a reaction force main spring (305) integrated in the reaction force applying mechanism (3);
a mounting platform (4), wherein the mounting platform (4) is mounted below the reaction force applying mechanism (3), and the mounting platform (4) is provided with a manual control rack assembly; and
the movable supporting mechanism (1) is assembled below the carrying platform (4), and a universal rotating wheel (103) capable of swinging to realize lifting is integrated on the movable supporting mechanism (1);
the upper part of the manual control hanger assembly of the carrying platform (4) is connected with the supporting and rotating mechanism (2) to drive a sleeve wrench head (204) of the supporting and rotating mechanism (2) to move along the vertical direction, and the lower part of the manual control hanger assembly of the carrying platform (4) is connected with the movable supporting mechanism (1) to drive the universal rotating wheel (103) to move up and down;
the lower part of the supporting and rotating mechanism (2) is provided with a ratchet torque wrench (205) which is connected with the socket wrench head (204) and drives the socket wrench head (204) to rotate.
2. The device for assisting in large moment value hoisting of large equipment under motor train unit train as claimed in claim 1, wherein the movable supporting mechanism (1) comprises a base frame (101), the base frame (101) is configured into a hollow cuboid structure, a lower part of the base frame (101) is hollowed out, and the universal wheels (103) pass through the hollowed-out part of the base frame (101) during lifting movement;
the side surface of the inside of the base frame (101) is rotatably connected with a lever support arm (104) through a lever support arm rotating shaft (105), and the lower part of one end, away from the lever support arm rotating shaft (105), of the lever support arm (104) is provided with the universal rotating wheel (103);
the lever support arm (104) can rotate around the lever support arm rotating shaft (105) to drive the universal rotating wheel (103) to rise or fall;
when the lever support arm (104) drives the universal rotating wheel (103) to descend, the universal rotating wheel (103) penetrates through the hollow part at the lower part of the base frame (101) and contacts the ground, and the base frame (101) is lifted to be separated from the ground;
when the lever support arm (104) drives the universal rotating wheel (103) to ascend, the base frame (101) descends and contacts the ground;
the lower surface of the base frame (101) is adhered with an anti-skid rubber mat (102);
a guide pipeline (107) is fixedly welded in the middle of the upper surface of the base frame (101);
a movable supporting mechanism guide post (108) penetrates through the guide pipeline (107) along the axial direction of the guide pipeline;
the upper end of the movable supporting mechanism guide post (108) extends to the upper part of the guide pipeline (107), and the lower end of the movable supporting mechanism guide post (108) extends to the lower part of the guide pipeline (107) and is partially arranged in the base frame (101);
the end part of one end of the guide post (108) of the movable supporting mechanism, which is arranged in the base frame (101), is fixedly connected with a lever support arm driving plate (106) which extends horizontally;
when the lever support arm (104) drives the universal rotating wheel (103) to ascend to the limit position of a storage state, a 2mm gap is reserved between the lower surface of the lever support arm driving plate (106) and the lever support arm (104);
when the lever support arm (104) drives the universal rotating wheel (103) to descend, the lever support arm driving plate (106) contacts the lever support arm (104) and provides downward acting force.
3. The large moment value application auxiliary device for hoisting of large equipment under motor train unit car as claimed in claim 2, wherein the support rotating mechanism (2) comprises a support frame (201) and an elongated connecting rod stabilizing framework (203) fixedly connected to the upper part of the support frame (201) through a fastening bolt (5);
the lengthened connecting rod stabilizing framework (203) is provided with a through hole;
a lengthened connecting rod (202) penetrates through a through hole of the lengthened connecting rod stable framework (203);
the upper end part of the lengthened connecting rod (202) extends to the upper part of the lengthened connecting rod stabilizing framework (203), the end part of one end, which is positioned above the lengthened connecting rod stabilizing framework (203), is fixedly connected with the sleeve wrench head (204), and the sleeve wrench head (204) is provided with a nut embedding hole matched with a bolt to be pre-tightened;
the lower end part of the lengthening connecting rod (202) extends to the lower part of the lengthening connecting rod stabilizing framework (203), and the ratchet torque wrench (205) extending along the horizontal direction is installed at the lower part of the lengthening connecting rod (202).
4. The device for applying the large moment value to the hoisting of the large-scale equipment under the motor train unit is characterized in that the reaction force applying mechanism (3) comprises a transition frame (301);
a reaction force upper support (302) which partially penetrates through the transition frame (301) is installed at the upper end of the transition frame (301);
the reaction force upper support (302) is provided with a through hole along the axial direction, and a guide pin (304) penetrates through the through hole;
the lower part of the transition frame (301) is fixedly connected with a reaction force lower support (303), the reaction force lower support (303) is provided with a through hole which is coaxial with the through hole formed in the reaction force upper support (302), and the guide pin (304) extends downwards and penetrates through the reaction force lower support (303);
the part of the guide pin (304) which is arranged between the reaction force upper support (302) and the reaction force lower support (303) is sleeved with the reaction force main spring (305);
a torque wrench head insert (206) is inserted into the upper part of the reaction force upper support seat (302);
the torque wrench head insert (206) comprises an embedding rod body and an embedding groove formed at the upper end of the embedding rod body;
the lower part of the end part of the ratchet torque wrench (205) is embedded in the embedding groove;
the lower part of the embedded rod body is inserted into the reaction force upper support (302).
5. The large moment value application auxiliary device for hoisting of large equipment under motor train unit cars as claimed in claim 4, wherein the embedded rod body is connected with a plane bearing (207) in a transmission manner.
6. The large moment value application auxiliary device for hoisting of large equipment under motor train unit cars as claimed in claim 4, wherein three balancing springs (306) are uniformly distributed on the reaction force upper support (302) along the circumferential direction;
three balance spring limiting bolts are arranged between the reaction force upper support (302) and the transition frame (301);
each balance action spring limiting bolt is sleeved with one balance action spring (306).
7. The device for assisting large moment value hoisting of large equipment under motor train unit cars of claim 4 is characterized in that the carrying platform (4) comprises a carrying platform upper frame (401);
the upper frame (401) of the carrying platform is assembled with the lower surface of the transition frame (301) through a fastening bolt (5);
a lower platform surface fixing hanger (402) is arranged below the upper frame (401) of the carrying platform, and the lower platform surface fixing hanger (402) is a vertical plate structure which is distributed at four turning positions of the upper frame (401) of the carrying platform and extends along the vertical direction;
the four platform lower surface fixing hangers (402) are distributed in a square shape;
the platform lower surface fixing hanger (402) is connected with a movable bracket (403) through a fastening bolt (5);
the lower end of the movable support (403) is fixedly connected with the upper surface of the base frame (101) through a fastening bolt (5);
the manual control hanging rack assembly is mounted on the lower surface of the upper frame (401) of the carrying platform.
8. The large moment value application auxiliary device for hoisting of large equipment under motor train unit cars as claimed in claim 7, wherein the manual control hanger assembly comprises a fixed end hanger (404) and a movable end limit hanger (405) fixed to the lower surface of the upper frame (401) of the carrying platform at intervals in the vertical direction;
the manual control hanger assembly further comprises:
a first manually controlled link (408);
a second manual control link (409);
the fixed end hanging rack (404) is provided with two mounting holes at intervals along the length direction, namely a first mounting hole (406) positioned at the upper part and a second mounting hole (407) positioned at the lower part;
the first manual control connecting rod (408) is fixedly inserted into the first mounting hole (406) through a first fixing end head (412);
the second manual control connecting rod (409) is fixedly inserted into the second mounting hole (407) through a second fixing end (413);
the end of the first manual control connecting rod (408) far away from the first fixed end head (412) is provided with a first connecting rod handle (410);
one end of the second manual control connecting rod (409) far away from the second fixed end (413) is provided with a second connecting rod handle (411);
the first manual control connecting rod (408) is hinged with the first fixed end (412) through a rotating pin shaft (416), and the first manual control connecting rod (408) can swing up and down around the rotating pin shaft (416);
the second manual control connecting rod (409) is hinged with the second fixed end (413) through a rotating pin shaft (416), and the second manual control connecting rod (409) can swing up and down around the rotating pin shaft (416);
a first manual control connecting rod fisheye structure (414) penetrates through the first manual control connecting rod (408), and the first manual control connecting rod fisheye structure (414) is provided with a connecting bolt extending upwards;
a second manual control connecting rod fisheye structure (415) penetrates through the second manual control connecting rod (409), and the second manual control connecting rod fisheye structure (415) is provided with a connecting bolt extending downwards;
a guide pin (304) of the reaction force applying mechanism (3) is connected with a connecting bolt of the first manual control connecting rod fisheye structure (414);
a movable supporting mechanism guide post (108) of the movable supporting mechanism (1) is connected with a connecting bolt of the second manual control connecting rod fisheye structure (415);
the first manual control connecting rod (408) drives the guide pin (304) of the counterforce exerting mechanism (3) to reciprocate up and down;
the second manual control connecting rod (409) drives the movable supporting mechanism guide post (108) of the movable supporting mechanism (1) to reciprocate up and down.
9. The device for assisting in hoisting of large moment values of motor train unit large-scale equipment under train as claimed in claim 7, wherein the movable support (403) comprises a first movable support split body extending in a vertical direction and a second movable support split body formed on the first movable support split body and extending outwards in an inclined direction;
the first movable support split body is in adjustable assembly connection with the fixed hanging rack (402) on the lower surface of the platform through a fastening bolt (5);
a plurality of screw holes are uniformly distributed on the first movable support split body and the platform lower surface fixing hanger (402), and the fastening bolt (5) can be inserted into any one of the screw holes to adjust the height of the first movable support split body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921880687.7U CN211306227U (en) | 2019-11-04 | 2019-11-04 | Large-torque-value application auxiliary device for hoisting large-scale equipment under motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921880687.7U CN211306227U (en) | 2019-11-04 | 2019-11-04 | Large-torque-value application auxiliary device for hoisting large-scale equipment under motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211306227U true CN211306227U (en) | 2020-08-21 |
Family
ID=72076718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921880687.7U Active CN211306227U (en) | 2019-11-04 | 2019-11-04 | Large-torque-value application auxiliary device for hoisting large-scale equipment under motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211306227U (en) |
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2019
- 2019-11-04 CN CN201921880687.7U patent/CN211306227U/en active Active
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