CN114055391A - Auxiliary mounting device for elastic traction center assembly of bogie - Google Patents
Auxiliary mounting device for elastic traction center assembly of bogie Download PDFInfo
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- CN114055391A CN114055391A CN202111393499.3A CN202111393499A CN114055391A CN 114055391 A CN114055391 A CN 114055391A CN 202111393499 A CN202111393499 A CN 202111393499A CN 114055391 A CN114055391 A CN 114055391A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
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Abstract
The utility model provides a supplementary installation device of bogie elastic traction center subassembly belongs to the installation auxiliary device field of bogie elastic traction center subassembly, and it includes four vertical bedplate of hanging, two upper end plate connecting plates, first hydro-cylinder, two lower floor's end plate connecting plates, second hydro-cylinder and support mechanism. The auxiliary installation device for the traction center component can greatly save manpower and material resources, improve the assembly efficiency of the traction center component N by more than 30 percent, realize the product percent of pass to be 100 percent, simultaneously thoroughly eliminate the condition that a crowbar slips or the traction center component N suddenly collapses from a window, reduce the risks of collision and scratching to the minimum, and obviously improve the personal safety of an operator and the appearance quality safety of a workpiece.
Description
Technical Field
The invention belongs to the field of auxiliary mounting devices of elastic traction center assemblies for bogies, and particularly relates to an auxiliary mounting device of an elastic traction center assembly of a bogie.
Background
The traction center assembly is a key component for realizing connection of a rail train bogie and a train body steel structure and transmitting traction force and braking force, and as shown in fig. 4 to 8, the traction center assembly of a certain type comprises an integrated spring seat center cylinder 1, four stacked rubber springs 2 and four spring positioning end plates 3, two wing-shaped double-sided spring seats 1-1 parallel to the integrated spring seat center cylinder 1 in the axial direction are symmetrically arranged on two sides of the outer diameter of the integrated spring seat center cylinder 1, and a core cylinder spring mandrel positioning hole 1-1-1 is arranged in the center of the double-sided spring seat 1-1. The width value of the spring positioning end plate 3 is d1, two lug plates 3-2 integrally formed are symmetrically arranged at two sides of the lug plate 3-3, the lug plate 3-3 protrudes outwards from the end surface of the lug plate 3-2 to form a boss with the length of F1 and the height of H1, so that the side view of the spring positioning end plate 3 is similar to the shape of a Chinese character, the rear end surface of the lug plate 3-3 is inwards sunken on the basis of the rear end surfaces of the two lug plates 3-2 to form an end plate spring positioning groove 3-1, and an end plate spring mandrel insertion hole 3-1-1 is arranged at the center of the end plate spring positioning groove 3-1. Two ends of the spring positioning end plate 3 are respectively provided with a group of end plate positioning screw holes 3-2-1. The front end face and the rear end face of the laminated rubber spring 2 are respectively provided with a spring mandrel 2-1, one spring mandrel 2-1 is coaxially inserted with an end plate spring mandrel inserting hole 3-1-1 on a corresponding end plate spring positioning groove 3-1, and the other spring mandrel 2-1 is inserted into a core cylinder spring mandrel positioning hole 1-1-1 of the spring seat center cylinder 1. The front end face and the rear end face of a double-sided spring seat 1-1 of each spring seat central cylinder 1 are in mirror symmetry and are respectively in contact connection with one laminated rubber spring 2 in one-to-one correspondence, and the two laminated rubber springs 2 share the same central cylinder spring mandrel positioning hole 1-1-1. As shown in fig. 7 and 8, the initial distance value of the outer end convex surfaces of the two spring positioning end plates 3 of the two laminated rubber springs 2 located on both sides of the same double-sided spring seat 1-1 in the naturally extended state is D1.
A certain type of traction center assembly N shown in fig. 1 to 3 is positioned and installed in a rectangular inner crotch M formed by framework beams, two opposite inner side walls of the inner crotch M formed by the framework beams are respectively and symmetrically provided with a spring positioning end plate installation seat T in the radial direction, and each spring positioning end plate installation seat T is provided with two end plate outer convex surface positioning grooves E corresponding to the laminated rubber springs 2 and the spring positioning end plates 3 thereof in position matching. The end plate outer convex surface of each spring positioning end plate 3 is pressed against a corresponding end plate outer convex surface positioning groove E under the elastic force action of the laminated rubber springs 2, and the front end surface and the rear end surface of each double-sided spring seat 1-1 are clamped by the corresponding two laminated rubber springs 2 under the elastic force action, so that the integrated spring seat central cylinder 1 is elastically suspended and positioned in an inner crotch M formed by the framework beams under the common clamping force action of the four laminated rubber springs 2, and is used for installing a traction central pin and transmitting the traction force of a bogie to a vehicle body.
However, under the natural length of the laminated rubber spring 2 without stress, the distance value between the outer end faces of the two spring positioning end plates 3 which are mirror-symmetrical with respect to the front and the rear of the double-sided spring seat 1-1 is larger than the width value of the frame beam composition inner crotch M, therefore, when the traction center component N with the laminated rubber spring is installed in the frame beam composition inner crotch M, a vertical press is needed to integrally compress the traction center component N, so that the value of D1 is smaller than the inherent width value of the frame beam composition inner crotch M, and then the two ends of the 4 specially-made double-threaded pull rods are respectively connected with the lug plate threaded holes 3-2 of the spring positioning end plates 3 through bolts, so as to ensure that the integrally compressed state of the traction center component N is unchanged. Thereafter, the compressed pulling core assembly N is again suspended within the crotch M of the frame rails and in the aligned mounting position, ready to release the compression set of the laminated rubber springs 2 again. However, at this time, the elastic restoring force of the laminated rubber spring 2 continuously and reversely props up the spring positioning end plates 3 at the front end and the rear end of the double-sided spring seat 1-1, so that the lug plate threaded holes 3-2 have larger reacting force to 4 specially-made double-threaded pull rods compressing the traction central component N, the threaded connection between the two ends of each specially-made double-threaded pull rod and the corresponding lug plate threaded holes 3-2 bears overlarge static friction force, and the threaded connection and disassembly are difficult, therefore, the existing solution needs to respectively install F-shaped industrial clamps on the outer end faces of the two spring positioning end plates 3 which are in mirror symmetry with the front end and the rear end of the double-sided spring seat 1-1 at each side, further compress the laminated rubber spring 2 which is in the compressed state at present through the F-shaped industrial clamps, and release the axial pressure between the threaded connection end of the specially-made double-threaded pull rod and the lug plate threaded holes 3-2, so as to remove the static friction force of the threaded connection and further smoothly withdraw the special double-thread pull rod from the lug plate threaded hole 3-2.
In addition, when the laminated rubber spring 2 is compressed bidirectionally by the F-shaped industrial clamp, a large force is required to be applied, and after the traction center assembly N is suspended in the frame beam assembly crotch M, the clamping contact surface between the outer end surface of the spring positioning end plate 3 and the F-shaped industrial clamp is very narrow, so that the F-shaped industrial clamp is prone to stress non-uniformity when the laminated rubber spring 2 is compressed, and the problem that the F-shaped industrial clamp is suddenly collapsed often occurs. On the other hand, the condition that the spring positioning end plate 3 is installed incorrectly can happen occasionally after the purpose-made double-thread pull rod is disassembled, a crowbar is needed to be adopted to adjust the position of the spring positioning end plate 3 to ensure that the spring positioning end plate is installed correctly, but the inner crotch formed by the framework cross beam is too narrow and is not suitable for crowbar operation, the condition that the crowbar slips and collides and damages the parts of the bogie easily exists, so the existing assembling mode is not only low in efficiency, but also can threaten the personal safety of an operator, and simultaneously the bogie is also easily damaged, thereby the assembling quality and the assembling efficiency of the integrated spring seat central cylinder 1 are influenced.
Disclosure of Invention
When a certain type of existing traction center assembly N needs to be installed in a crotch formed by framework cross beams in a compressed state, the traction center assembly N needs to be pre-compressed by a vertical press, a plurality of specially-made double-thread pull rods keep the compressed state of the traction center assembly N fixed, then the traction center assembly N is hung at an installation position of the crotch formed by the framework cross beams, an operator further compresses the traction center assembly N by using an F-shaped industrial clamp so as to smoothly detach the specially-made double-thread pull rods from spring positioning end plates corresponding to two ends of the special-made double-thread pull rods, and then the right position adjustment under the condition that the traction center assembly N is installed out of right position is completed by using the lever force of a crowbar. The invention provides an auxiliary installation device for an elastic traction center component of a bogie, which aims to solve the technical problems that the installation process of the traction center component is time-consuming and labor-consuming, the efficiency is low, the personal safety of an operator can be threatened, and the bogie is easy to damage.
The technical scheme adopted by the invention for solving the technical problem is as follows:
an auxiliary mounting device for an elastic traction center assembly of a bogie comprises four vertical hanger plates, two upper-layer end plate connecting plates, a first oil cylinder, two lower-layer end plate connecting plates, a second oil cylinder and a support mechanism, wherein the centers of the side walls of the two upper-layer end plate connecting plates are fixedly connected with the two ends of the first oil cylinder respectively, and the centers of the side walls of the two upper-layer end plate connecting plates form an I-shaped upper-layer end plate tensioning frame of a Chinese character; the centers of the side walls of the two lower-layer end plate connecting plates are fixedly connected with two ends of the second oil cylinder respectively, and the two lower-layer end plate connecting plates and the two oil cylinders form a Chinese character I-shaped lower-layer end plate tensioning frame together; two upper end plate connecting plates of the upper end plate tensioning frame are parallel to two lower end plate connecting plates of the lower end plate tensioning frame respectively, and two ends of each upper end plate connecting plate and two ends of one lower end plate connecting plate are fixedly connected in a detachable mode through one-to-one vertical hanging seat plate.
The center of the side wall of the upper-layer end plate connecting plate is provided with a horizontal upper-layer oil cylinder end connecting threaded hole, the left end part and the right end part of the same side wall of the upper-layer end plate connecting plate are respectively provided with an upper-layer spring positioning end plate butt joint clamping groove in a mirror symmetry mode, and an upper-layer countersunk head bolt is used for fixedly connecting the end plate positioning threaded hole with an upper-layer clamping groove counter bore in the upper-layer spring positioning end plate butt joint clamping groove; the outer end faces of the left end and the right end of the upper-layer end plate connecting plate are respectively provided with two upper-layer hanging seat plate connecting screw holes;
the structure and the size of the lower-layer end plate connecting plate are completely the same as those of the upper-layer end plate connecting plate; the center of the side wall of the lower-layer end plate connecting plate is provided with a horizontal lower-layer oil cylinder end connecting threaded hole, the left end part and the right end part of the same side wall of the lower-layer end plate connecting plate are respectively provided with a lower-layer spring positioning end plate butt joint clamping groove in a mirror symmetry mode, and a lower-layer countersunk head bolt is used for fixedly connecting the end plate positioning threaded hole with a lower-layer countersunk hole in the lower-layer spring positioning end plate butt joint clamping groove; two lower-layer hanger plate connecting screw holes are respectively arranged on the outer end faces of the left end and the right end of the lower-layer end plate connecting plate.
The upper section of the side wall of the vertical hanging seat plate is provided with a hook through hole, the side wall of the vertical hanging seat plate below the hook through hole is provided with an upper layer end plate connecting plate end butt joint bolt hole parallel to the hook through hole, and the upper layer end plate connecting plate end butt joint bolt hole is fixedly connected with the corresponding upper layer hanging seat plate connecting screw hole through a bolt; the lower section of the side wall of the vertical hanger seat plate is provided with a lower end plate connecting plate end butt bolt hole parallel to the hook through hole; the butt joint bolt hole at the end part of the lower end plate connecting plate is fixedly connected with the corresponding lower hanging seat plate connecting screw hole through a bolt.
The second oil cylinder comprises a second oil cylinder body and a second oil cylinder piston rod, the end parts of the second oil cylinder body and the second oil cylinder piston rod are respectively provided with an external thread, and the rear end of the second oil cylinder body is coaxially and fixedly connected with a lower-layer oil cylinder end connecting threaded hole corresponding to the center of the lower-layer end plate connecting plate in a threaded connection mode; the front end of the piston rod of the second oil cylinder is coaxially and fixedly connected with the other lower-layer oil cylinder end connecting threaded hole corresponding to the center of the lower-layer end plate connecting plate in a threaded connection mode;
the structure and the size of the first oil cylinder are completely the same as those of the second oil cylinder, the first oil cylinder comprises a first oil cylinder body and a first oil cylinder piston rod, the respective end parts of the first oil cylinder body and the first oil cylinder piston rod are provided with external threads, and the rear end of the first oil cylinder body is coaxially and fixedly connected with an upper layer oil cylinder end connecting threaded hole corresponding to the center of an upper layer end plate connecting plate in a threaded connection mode; the front end of the first oil cylinder piston rod is coaxially and fixedly connected with another upper layer oil cylinder end connecting threaded hole corresponding to the center of the upper layer end plate connecting plate in a threaded connection mode.
The support mechanism comprises two supporting seats fixedly connected to the same horizontal base, the upper end faces of the supporting seats are lug plate supporting faces, and a lug plate positioning groove is formed in the center of each lug plate supporting face.
The two supporting columns are arranged in a left-right mirror symmetry mode about a central symmetry plane of the horizontal base, the depth H2 of the convex plate positioning groove is H1, and the length F2 of the convex plate positioning groove is F1; the width of the convex plate positioning groove is 50 percent d1 to 200 percent d1 to d 2.
The invention has the beneficial effects that: the auxiliary installation device for the elastic traction center assembly of the bogie is characterized in that two upper-layer end plate connecting plates and a first oil cylinder jointly form a Chinese character I-shaped upper-layer end plate tensioning frame; the two lower-layer end plate connecting plates and the second oil cylinder jointly form a Chinese character I-shaped lower-layer end plate tensioning frame, and the upper-layer end plate tensioning frame and the lower-layer end plate tensioning frame are completely identical in structure. The lower-layer countersunk head bolts positioned at the two ends of each lower-layer end plate connecting plate are used for fixedly connecting the end plate positioning screw holes with the lower-layer countersunk holes in the butt joint clamping grooves of the lower-layer spring positioning end plates; the upper countersunk head bolts at two ends of each upper end plate connecting plate are used for fixedly connecting end plate positioning screw holes with upper clamping groove countersunk holes in butt joint clamping grooves of upper spring positioning end plates, and the four corners of the two upper end plate connecting plates and the four corners of the two lower end plate connecting plates can be vertically connected through four vertical hanging seat plates respectively, so that an integral tensioning frame which can surround a traction central component N to be compressed is formed.
The first oil cylinder and the second oil cylinder can synchronously extend or shorten under the control of a conventional hydraulic control system, so that the upper-layer end plate tensioning frame applies pressure to the upper ends of the spring positioning end plates through the two upper-layer end plate connecting plates, meanwhile, the lower-layer end plate tensioning frame applies pressure to the lower ends of the spring positioning end plates through the two lower-layer end plate connecting plates, each laminated rubber spring is compressed towards the direction of the double-sided spring seat 1-1 and continuously keeps the compressed state, the structural design completely replaces the old process that a vertical press is adopted to pre-compress a traction center component N, a plurality of specially-made double-thread pull rods keep the compressed state of the traction center component N fixed, and an operator further compresses the traction center component N by using an F-shaped industrial clamp so as to smoothly disassemble the specially-made double-thread pull rods from the spring positioning end plates corresponding to the two ends of the traction center component N, the installation method has the advantages that the one-time righting installation of the installation process of the traction center component N is realized, and the problems that the available clamping surface of the F-shaped industrial clamp is small, uneven stress is easy to occur, the F-shaped industrial clamp is frequently cracked out, the installation of the traction center component N is not righted, a crowbar is slipped off and the like due to the narrow operation space in the crotch formed by the framework cross beams are thoroughly solved.
The lifting hook of the crown block is respectively and reliably connected with the lifting hook through hole on each vertical lifting seat plate, so that the compressed traction center component N can be lifted away from the support mechanism through a lifting appliance and smoothly conveyed and fall into the inner crotch M formed by the framework cross beams. The stroke of the first oil cylinder and the stroke of the second oil cylinder are released through a hydraulic control system, each laminated rubber spring in a compressed state is enabled to be stretched again, and the inner crotch M formed by the traction center component N and the framework cross beam can be connected. And finally, the stroke of the first oil cylinder and the second oil cylinder is compressed to ensure that the reaction force of the laminated rubber spring acting on the countersunk bolt and the countersunk bolt is released, the lower countersunk bolt between the end plate positioning screw hole and the lower countersunk hole is firstly disassembled, the lower end plate tensioning frame is taken out from the lower part of the inner crotch M formed by the framework cross beam, and then the upper end plate tensioning frame is communicated with the four vertical hanging seat plates fixedly connected with the upper end plate tensioning frame and the four vertical hanging seat plates are together removed from the upper part of the inner crotch M formed by the framework cross beam, so that the assembly work between the traction center component N and the inner crotch M formed by the framework cross beam can be completed.
The two supporting columns are arranged in a left-right mirror symmetry mode about a central symmetry plane of the horizontal base, the depth H2 of the convex plate positioning groove is H1, and the length F2 of the convex plate positioning groove is F1; the width of the convex plate positioning groove is 50% d 1-200% d1, d 2-200% d1, and the setting of the parameters of the size chains enables the convex plate positioning groove to enable the convex plates of the two spring positioning end plates to be respectively embedded into the corresponding convex plate positioning grooves on the two support columns, so that the positioning of the spring positioning end plates on the vertical and longitudinal two degrees of freedom is realized, and the positioning can be freely adjusted on the transverse distance according to the actual position of the laminated rubber spring.
The auxiliary installation device for the traction center component can greatly save manpower and material resources, improve the assembly efficiency of the traction center component N by more than 30 percent, realize the product percent of pass to be 100 percent, simultaneously thoroughly eliminate the condition that a crowbar slips or the traction center component N suddenly collapses from a window, reduce the risks of collision and scratching to the minimum, and obviously improve the personal safety of an operator and the appearance quality safety of a workpiece.
In addition, the auxiliary mounting device for the elastic traction center assembly of the bogie also has the advantages of simple and practical structure, convenience in operation, low cost, convenience in popularization and the like.
Drawings
FIG. 1 is a schematic view of the assembly of a prior art type of traction center assembly within a frame beam forming the inside of the crotch M;
FIG. 2 is a schematic view of the construction of a prior art inner crotch M constructed from frame beams;
FIG. 3 is a schematic view of the construction of the spring positioning endplate mounting seats T in the crotch M formed by the frame rails;
FIG. 4 is a schematic perspective view of a prior art traction center assembly N;
FIG. 5 is a schematic illustration of the explosive assembly of FIG. 4;
FIG. 6 is a perspective view of a prior art symmetrically mounted two spring retention end plates;
FIG. 7 is a top view of a prior art traction center assembly;
FIG. 8 is a side view of a prior art traction center assembly of some type;
FIG. 9 is a schematic perspective view of the auxiliary mounting device for the resilient traction center assembly of the bogie of the present invention;
FIG. 10 is a schematic perspective view of four vertical hanger plates of the present invention connecting the upper and lower end plate tensioning frames into a tensioning frame;
FIG. 11 is a schematic illustration of the explosive assembly of FIG. 10;
FIG. 12 is a schematic perspective view of the upper end plate tensioning frame of the present invention;
FIG. 13 is an exploded assembly schematic view of the lower endplate tensioning frame of the present invention;
FIG. 14 is an exploded pictorial illustration of the assembled relationship of an upper end plate web and two vertical hanger plates of the present invention;
FIG. 15 is a schematic illustration of an explosive application of the present invention in assembled relation with an upper endplate connecting plate and a lower endplate connecting plate, respectively, and two spring-positioned endplates;
FIG. 16 is a perspective view of the stand-off mechanism of the present invention;
FIG. 17 is a schematic view of a preliminary application of the support structure of the present invention in supporting a pulling core assembly;
FIG. 18 is a schematic view showing the application of the elastic traction center assembly auxiliary mounting device of the bogie of the present invention before compressing the traction center assembly N
Fig. 19 is a schematic view of the application of the auxiliary mounting device for the bogie elastic traction center assembly of the present invention to compress and hoist the traction center assembly N.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 9 to 19, the auxiliary mounting device for the bogie elastic traction center assembly of the present invention comprises four vertical hanger seat plates 4, two upper end plate connecting plates 5, a first oil cylinder 6, two lower end plate connecting plates 7, a second oil cylinder 8 and a support mechanism C, wherein the centers of the side walls of the two upper end plate connecting plates 5 are respectively fixedly connected with two ends of the first oil cylinder 6, and the three are jointly formed into an upper end plate tensioning frame a in a shape of a chinese character i; the centers of the side walls of the two lower-layer end plate connecting plates 7 are fixedly connected with two ends of a second oil cylinder 8 respectively, and the two lower-layer end plate connecting plates form a Chinese character I-shaped lower-layer end plate tensioning frame B together; two upper end plate connecting plates 5 of the upper end plate tensioning frame A are parallel to two lower end plate connecting plates 7 of the lower end plate tensioning frame B respectively, and two ends of each upper end plate connecting plate 5 and two ends of one lower end plate connecting plate 7 are fixedly connected in a detachable mode through vertical hanging seat plates 4 in one-to-one correspondence.
A horizontal upper oil cylinder end connecting threaded hole 5-1 is formed in the center of the side wall of the upper end plate connecting plate 5, an upper spring positioning end plate butt joint clamping groove 5-2 is respectively formed in the left end part and the right end part of the same side wall of the upper end plate connecting plate 5 in a mirror symmetry mode, and an upper countersunk head bolt 5-3 is used for fixedly connecting the end plate positioning threaded hole 3-2 with an upper clamping groove countersunk hole 5-2-1 in the upper spring positioning end plate butt joint clamping groove 5-2; two upper-layer hanging seat plate connecting screw holes 5-4 are respectively arranged on the outer end faces of the left end and the right end of the upper-layer end plate connecting plate 5;
the structure and the size of the lower-layer end plate connecting plate 7 are completely the same as those of the upper-layer end plate connecting plate 5; a horizontal lower-layer oil cylinder end connecting threaded hole 7-1 is formed in the center of the side wall of the lower-layer end plate connecting plate 7, a lower-layer spring positioning end plate butt-joint clamping groove 7-2 is formed in the left end portion and the right end portion of the same side wall of the lower-layer end plate connecting plate 7 in a mirror symmetry mode, and a lower-layer countersunk head bolt 7-3 is used for fixedly connecting an end plate positioning threaded hole 3-2 with a lower-layer countersunk hole 7-2-1 in the lower-layer spring positioning end plate butt-joint clamping groove 7-2; two lower-layer hanging seat plate connecting screw holes 7-4 are respectively arranged on the outer end faces of the left end and the right end of the lower-layer end plate connecting plate 7.
The upper section of the side wall of the vertical hanging seat plate 4 is provided with a hook through hole 4-1, the side wall of the vertical hanging seat plate 4 below the hook through hole 4-1 is provided with an upper layer end plate connecting plate end butt joint bolt hole 4-3 parallel to the hook through hole 4-1, and the upper layer end plate connecting plate end butt joint bolt hole 4-3 is fixedly connected with a corresponding upper layer hanging seat plate connecting screw hole 5-4 through a bolt; the lower section of the side wall of the vertical hanger seat plate 4 is provided with a lower-layer end plate connecting plate end butt joint bolt hole 4-2 parallel to the hanger through hole 4-1; the butt joint bolt hole 4-2 at the end part of the lower end plate connecting plate is fixedly connected with the corresponding lower hanging seat plate connecting screw hole 7-4 through a bolt.
The second oil cylinder 8 comprises a second oil cylinder body 8-1 and a second oil cylinder piston rod 8-2, the respective ends of the second oil cylinder body 8-1 and the second oil cylinder piston rod are provided with external threads, and the rear end of the second oil cylinder body 8-1 is coaxially and fixedly connected with a lower-layer oil cylinder end connecting threaded hole 7-1 corresponding to the center of the lower-layer end plate connecting plate 7 in a threaded connection mode; the front end of a second oil cylinder piston rod 8-2 is coaxially and fixedly connected with another lower-layer oil cylinder end connecting threaded hole 7-1 corresponding to the center of the lower-layer end plate connecting plate 7 in a threaded connection mode;
the structure and the size of the first oil cylinder 6 are completely the same as those of the second oil cylinder 8, the first oil cylinder 6 comprises a first oil cylinder body 6-1 and a first oil cylinder piston rod 6-2, the respective end parts of the first oil cylinder body 6-1 and the first oil cylinder piston rod are provided with external threads, and the rear end of the first oil cylinder body 6-1 is coaxially and fixedly connected with an upper layer oil cylinder end connecting threaded hole 5-1 corresponding to the center of the upper layer end plate connecting plate 5 in a threaded connection mode; the front end of the first oil cylinder piston rod 6-2 is coaxially and fixedly connected with the other upper layer oil cylinder end connecting threaded hole 5-1 corresponding to the center of the upper layer end plate connecting plate 5 in a threaded connection mode.
The support mechanism C comprises two support seats 9 fixedly connected to the same horizontal base, the upper end faces of the support seats 9 are ear plate support faces 9-1, and the centers of the ear plate support faces 9-1 are provided with convex plate positioning grooves 9-2.
The two supporting columns 9 are arranged in a left-right mirror symmetry mode about a central symmetry plane of the horizontal base, the depth H2 of the convex plate positioning groove 9-2 is H1, and the length F2 of the convex plate positioning groove 9-2 is F1; the width d2 of the convex plate positioning groove 9-2 is not less than 50% d1 and not more than 200% d 1.
When the auxiliary mounting device for the elastic traction center assembly of the bogie is applied, the first oil cylinder 6 and the second oil cylinder 8 both adopt Fluidexpert brand 5SO 821883 type double-acting oil cylinders. Four vertical hanger plates 4 connect the upper end plate tensioning frame A and the lower end plate tensioning frame B into an integral tensioning frame.
When the spring positioning end plate is used, the convex plates 3-3 of the two spring positioning end plates 3 are embedded into the corresponding convex plate positioning grooves 9-2 of the two support columns 9 in a mode shown in fig. 16, so that the spring positioning end plates are positioned in two vertical and longitudinal degrees of freedom, and the lug plates 3-2 of the two spring positioning end plates 3 are supported by the lug plate supporting surfaces 9-1 of the corresponding support columns 9. Then, two laminated rubber springs 2 are placed on the two spring positioning end plates 3 according to the mode shown in fig. 17, the upper ends of the two laminated rubber springs 2 are respectively matched and butted with the lower ends of two wing-shaped double-sided spring seats 1-1 symmetrically arranged on two sides of the outer diameter of the integrated spring seat central cylinder 1, and the spring mandrels 2-1 are coaxially inserted into the corresponding end plate spring mandrel insertion holes 3-1-1 on the end plate spring positioning grooves 3-1. And then, installing another two laminated rubber springs 2 and spring positioning end plates 3 corresponding to the two laminated rubber springs respectively at the upper ends of the two wing-shaped double-sided spring seats 1-1, thereby completing the pre-assembly of the traction center component N to be compressed. Then, the upper-layer end plate tensioning frame A and the lower-layer end plate tensioning frame B are placed between the upper and lower spring positioning end plates 3 on two sides of the pre-assembly of the traction center component N according to the mode shown in figure 18, the upper and lower butt joint positions of the end plate butt joint clamping groove 5-2 of the upper-layer end plate connecting plate 5 and the lug plate 3-2 of the spring positioning end plate 3 are ensured, the upper and lower butt joint positions of the end plate butt joint clamping groove 7-2 of the lower-layer end plate connecting plate 7 and the lug plate 3-2 of the spring positioning end plate 3 are ensured, then the butt joint clamping groove and the lug plate are ensured to be fully contacted by adjusting the telescopic strokes of the first oil cylinder 6 and the second oil cylinder 8,
the spring positioning end plate 3 on the lug plate supporting surface 9-1 is respectively connected with the front lower end plate connecting plate 7 and the rear lower end plate connecting plate 7 by using a lower countersunk head bolt 7-3, so that the end plate positioning screw hole 3-2 is fixedly connected with a lower countersunk hole 7-2-1 in the butt joint clamping groove 7-2 of the lower spring positioning end plate, and the assembling process between the lower end plate connecting plates 7 is finished. And then, fixedly connecting the other two uppermost end plate positioning screw holes 3-2 of the traction central component N to be compressed with the upper layer clamping groove counter bores 5-2-1 in the upper layer spring positioning end plate butt joint clamping grooves 5-2 by using upper layer countersunk head bolts 5-3, and finishing the assembly of the upper layer end plate connecting plate 5 and the two spring positioning end plates 3. Then, two vertical hanging seat plates 4 are respectively fixedly connected with an upper-layer clamping groove counter bore 5-2-1 and a lower-layer counter bore 7-2-1 which are positioned on two lug plate supporting surfaces 9-1 in a horizontal posture one by one, and two other vertical hanging seat plates 4 are respectively fixedly connected with another upper-layer clamping groove counter bore 5-2-1 and a lower-layer counter bore 7-2-1 which are positioned at the uppermost end of a traction central component N to be compressed in a horizontal posture one by one, so that the assembling process of the tensioning frame and the traction central component N to be compressed can be completed.
The first oil cylinder 6 and the second oil cylinder 8 are respectively connected with a conventional hydraulic control system and are used for controlling two first oil cylinder piston rods 6-2 and two second oil cylinder piston rods 8-2 to synchronously contract, and the contraction tension of the oil cylinders is transmitted to the four spring positioning end plates 3 sequentially through the two upper-layer end plate connecting plates 5 and the two lower-layer end plate connecting plates 7, so that each laminated rubber spring 2 is compressed towards the direction of the double-sided spring seat 1-1.
Then, the lifting hook of the crown block is respectively and reliably connected with the lifting hook through hole 4-1 on each vertical lifting seat plate 4, namely, the compressed traction center component N can be lifted away from the support mechanism C and conveyed and dropped into the inner crotch M consisting of the frame cross beams through the auxiliary mounting device of the bogie elastic traction center component. The stroke of the first oil cylinder 6 and the stroke of the second oil cylinder 8 are released through a hydraulic control system, each laminated rubber spring 2 in a compressed state is enabled to be stretched again, and the convex plate 3-3 of each spring positioning end plate 3 can be embedded into the corresponding end plate outer convex surface positioning groove E, so that the positioning, the connection and the assembly of the inner crotch M formed by the traction center component N and the framework cross beam are realized. And finally, the stroke of compressing the first oil cylinder 6 and the second oil cylinder 8 ensures that the reaction force of the laminated rubber spring 2 acting on the countersunk bolt 7-3 and the countersunk bolt 5-3 can be released, the lower countersunk bolt 7-3 between the end plate positioning screw hole 3-2 and the lower countersunk bolt 7-2-1 is firstly disassembled, the lower end plate tensioning frame B is taken out below the crotch M formed by the framework beam, and then the upper end plate tensioning frame A is communicated with the four vertical hanging seat plates 4 fixedly connected with the upper end plate tensioning frame A and is removed together with the four vertical hanging seat plates 4 fixedly connected with the upper end plate tensioning frame A from the upper part of the crotch M formed by the framework beam, so that the subsequent assembly work between the traction center component N and the crotch M formed by the framework beam can be continuously executed.
Claims (6)
1. Supplementary installation device of bogie elastic traction center subassembly, its characterized in that: the device comprises four vertical hanging seat plates (4), two upper-layer end plate connecting plates (5), a first oil cylinder (6), two lower-layer end plate connecting plates (7), a second oil cylinder (8) and a support mechanism (C), wherein the centers of the side walls of the two upper-layer end plate connecting plates (5) are fixedly connected with the two ends of the first oil cylinder (6) respectively, and the centers of the side walls form an I-shaped upper-layer end plate tensioning frame (A) for Chinese characters; the centers of the side walls of the two lower-layer end plate connecting plates (7) are fixedly connected with the two ends of the second oil cylinder (8) respectively, and the two lower-layer end plate connecting plates and the two oil cylinders form a Chinese character I-shaped lower-layer end plate tensioning frame (B) together; two upper end plate connecting plates (5) of the upper end plate tensioning frame (A) are respectively parallel to two lower end plate connecting plates (7) of the lower end plate tensioning frame (B), and two ends of each upper end plate connecting plate (5) are fixedly connected with two ends of one lower end plate connecting plate (7) in a detachable mode through one-to-one vertical hanging seat plate (4).
2. The truck elastic traction center assembly mounting aid of claim 1 wherein: a horizontal upper oil cylinder end connecting threaded hole (5-1) is formed in the center of the side wall of the upper end plate connecting plate (5), an upper spring positioning end plate butt joint clamping groove (5-2) is respectively formed in the left end part and the right end part of the same side wall of the upper end plate connecting plate (5) in a mirror symmetry mode, and an upper countersunk bolt (5-3) is used for fixedly connecting the end plate positioning threaded hole (3-2) with an upper clamping groove counter bore (5-2-1) in the upper spring positioning end plate butt joint clamping groove (5-2); the outer end faces of the left end and the right end of the upper-layer end plate connecting plate (5) are respectively provided with two upper-layer hanging seat plate connecting screw holes (5-4);
the structure and the size of the lower-layer end plate connecting plate (7) are completely the same as those of the upper-layer end plate connecting plate (5); a horizontal lower-layer oil cylinder end connecting threaded hole (7-1) is formed in the center of the side wall of the lower-layer end plate connecting plate (7), a lower-layer spring positioning end plate butt-joint clamping groove (7-2) is formed in the left end portion and the right end portion of the same side wall of the lower-layer end plate connecting plate (7) in a mirror symmetry mode, and a lower-layer countersunk head bolt (7-3) is used for fixedly connecting the end plate positioning threaded hole (3-2) with a lower-layer countersunk hole (7-2-1) in the lower-layer spring positioning end plate butt-joint clamping groove (7-2); the outer end faces of the left end and the right end of the lower-layer end plate connecting plate (7) are respectively provided with two lower-layer hanging seat plate connecting screw holes (7-4).
3. The truck elastic traction center assembly mounting aid of claim 2 wherein: a hook through hole (4-1) is formed in the upper section of the side wall of the vertical hanging seat plate (4), an upper layer end plate connecting plate end butt joint bolt hole (4-3) parallel to the hook through hole (4-1) is formed in the side wall of the vertical hanging seat plate (4) below the hook through hole (4-1), and the upper layer end plate connecting plate end butt joint bolt hole (4-3) is fixedly connected with a corresponding upper layer hanging seat plate connecting screw hole (5-4) through a bolt; the lower section of the side wall of the vertical hanger seat plate (4) is provided with a lower end plate connecting plate end butt joint bolt hole (4-2) which is parallel to the hook through hole (4-1); the butt joint bolt hole (4-2) at the end part of the lower end plate connecting plate is fixedly connected with the corresponding lower hanging seat plate connecting screw hole (7-4) through a bolt.
4. The truck elastic traction center assembly attachment as claimed in claim 3, wherein: the second oil cylinder (8) comprises a second oil cylinder body (8-1) and a second oil cylinder piston rod (8-2), the end parts of the second oil cylinder body and the second oil cylinder piston rod are respectively provided with an external thread, and the rear end of the second oil cylinder body (8-1) is coaxially and fixedly connected with a lower-layer oil cylinder end connecting threaded hole (7-1) corresponding to the center of the lower-layer end plate connecting plate (7) in a threaded connection mode; the front end of a piston rod (8-2) of the second oil cylinder is coaxially and fixedly connected with a lower-layer oil cylinder end connecting threaded hole (7-1) corresponding to the center of the lower-layer end plate connecting plate (7) in a threaded connection mode;
the structure and the size of the first oil cylinder (6) are completely the same as those of the second oil cylinder (8), the first oil cylinder (6) comprises a first oil cylinder body (6-1) and a first oil cylinder piston rod (6-2), the respective end parts of the first oil cylinder body and the first oil cylinder piston rod are provided with external threads, and the rear end of the first oil cylinder body (6-1) is coaxially and fixedly connected with an upper layer oil cylinder end connecting threaded hole (5-1) corresponding to the center of an upper layer end plate connecting plate (5) in a threaded connection mode; the front end of the first oil cylinder piston rod (6-2) is coaxially and fixedly connected with another upper layer oil cylinder end connecting threaded hole (5-1) corresponding to the center of the upper layer end plate connecting plate (5) in a threaded connection mode.
5. The truck elastic traction center assembly mounting aid of claim 4, wherein: the support mechanism (C) comprises two supporting seats (9) fixedly connected to the same horizontal base, the upper end faces of the supporting seats (9) are ear plate supporting faces (9-1), and the centers of the ear plate supporting faces (9-1) are provided with convex plate positioning grooves (9-2).
6. The truck elastic traction center assembly mounting aid of claim 5, wherein: the two supporting columns (9) are arranged in a left-right mirror symmetry mode about a central symmetry plane of the horizontal base, the depth H2 of the convex plate positioning groove (9-2) is H1, and the length F2 of the convex plate positioning groove (9-2) is F1; the width of the convex plate positioning groove (9-2) is not less than 50% d1 and not more than d2 and not more than 200% d 1.
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| CN114055391B (en) | 2023-06-20 |
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