CN212030914U - Engine running-in test bench pipeline docking mechanism - Google Patents
Engine running-in test bench pipeline docking mechanism Download PDFInfo
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- CN212030914U CN212030914U CN202020939221.6U CN202020939221U CN212030914U CN 212030914 U CN212030914 U CN 212030914U CN 202020939221 U CN202020939221 U CN 202020939221U CN 212030914 U CN212030914 U CN 212030914U
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Abstract
The utility model belongs to an engine running-in test bed pipeline butt joint mechanism, which comprises an upper butt joint mechanism and a lower butt joint mechanism, wherein the upper butt joint mechanism comprises an upper butt joint plate, a first pipeline butt joint pipe and a first pipeline butt joint pipe, the lower butt joint mechanism is provided with a lower butt joint plate, two sides and the middle part inside the lower butt joint plate are provided with an assembly cavity, the front side and the rear side of the assembly cavity are both connected with sliding tables in a sliding way, the two sliding tables are both provided with first fine tuning springs, an assembly block is arranged between the two sliding tables, the assembly blocks at two sides are provided with second pipeline butt joint pipes, the assembly block in the middle assembly cavity is provided with second pipeline butt joint pipes, the second pipeline butt joint pipes are provided with first funnel pipe orifices, the second pipeline butt joint pipes are provided with second funnel pipe orifices, the left sides and the right sides of the two sliding tables are respectively provided with second fine tuning springs, the left ends and the right ends of, the upper side and the lower side of the lower butt joint plate are both provided with a first circular groove and a second circular groove.
Description
Technical Field
The utility model belongs to the technical field of the engine test, concretely relates to engine running-in test bench pipeline docking mechanism.
Background
After the engine is assembled, an offline test, namely a factory running-in test, is carried out, and the test requires that the test preparation time is as short as possible so as to meet the requirement of offline rhythm of the engine. When a running-in test is carried out, the connection of cooling liquid, engine oil, fuel oil and an intercooler pipeline of an engine and auxiliary equipment is required to be completed, the wiring work of devices such as an ECU wire harness and a starter is completed, the connection of an air inlet filter and a smoke exhaust pipe is required, and the connection of all parts is required to be disassembled after the test is finished. Moreover, the preparation time of the running-in test is usually short, so that the butt joint work of pipelines and lines at each position needs to be completed manually in a short time, the labor intensity is high, and the operation is very troublesome.
The engine of current large-scale enterprise goes out of a market running-in test bench is mature relatively, adopt interfacing apparatus to realize the normal butt joint of various pipelines and circuit, floating interfacing apparatus is including the two butt joint boards of relative setting, two butt joint boards are for assembling the last butt joint board on the movable mounting bracket on the dolly tray and assemble the lower butt joint board on the quiet mounting bracket of running-in rack, correspond respectively on two butt joint boards and install butt joint portion, two butt joint boards are in opposite directions, during back of the body motion, realize the butt joint of butt joint portion and throw off, in addition, correspond on two butt joint boards and install the location structure that direction of orientation extends along two butt joint board relative motion direction.
In the actual use process, the butt joint parts of the two butt joint plates are often slightly dislocated due to the problem of machining precision, so that the butt joint is not smooth, however, the existing butt joint mechanism cannot make radial self-adaptive adjustment in the butt joint process, so that the technical problem that the machining precision requirement of the butt joint parts is high is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the aim is to provide a pipeline butt joint mechanism of an engine running-in test bed, which solves the problems in the background technology.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
an engine running-in test bed pipeline butt-joint mechanism comprises an upper butt-joint mechanism arranged on a trolley tray and a lower butt-joint mechanism arranged on a running-in test bed, wherein the upper butt-joint mechanism comprises an upper butt-joint plate, first pipeline butt-joint pipes symmetrically arranged on two sides and a first pipeline butt-joint pipe symmetrically arranged in the middle part, the lower butt-joint mechanism is provided with a lower butt-joint plate matched with the upper butt-joint plate, a plurality of assembling cavities are arranged on two sides and the middle part in the lower butt-joint plate, the assembling cavities on two sides are respectively matched with the first pipeline butt-joint pipe positions on two sides, the assembling cavity in the middle part is respectively matched with the first pipeline butt-joint pipe position in the middle part, sliding tables are respectively connected on the front side and the rear side of the assembling cavity in a sliding manner, first fine-tuning springs are respectively arranged on the opposite sides of the two sliding tables, an assembling block is, the assembly blocks are respectively provided with a second pipeline butt joint pipe in the assembly cavities at two sides, the inner diameter of the second pipeline butt joint pipe is matched with the outer diameter of the first pipeline butt joint pipe, the assembly blocks are respectively provided with a second pipeline butt joint pipe in the assembly cavity at the middle part, the inner diameter of the second pipeline butt joint pipe is matched with the outer diameter of the first pipeline butt joint pipe, the second pipeline butt joint pipe is provided with a first funnel pipe orifice, the second funnel pipe orifice is provided with a second funnel pipe orifice, the left side and the right side of the two sliding tables are respectively provided with a second fine tuning spring which is fixedly connected with the assembly cavity, the left end and the right end of the upper butt joint plate are symmetrically provided with a first positioning groove matched with the first positioning rod, the first positioning groove is provided with a limiting locking part, the upper side and the lower side of the lower butt joint plate are respectively provided with a first circular groove matched with the second pipeline butt joint pipe and a second circular groove matched with the second pipeline butt joint pipe, the upper side and the lower side of the second pipeline butt joint pipe respectively penetrate through the two first circular grooves, and the upper side and the lower side of the second pipeline butt joint pipe respectively penetrate through the two second circular grooves.
By adopting the technical scheme of the utility model, when the upper butt joint mechanism is butt jointed with the lower butt joint mechanism, the butt joint can be accurately carried out through the positioning matching of the first positioning rod of the upper butt joint plate and the first positioning groove of the lower butt joint mechanism; through a first fine tuning spring between the sliding table and the assembling block and a second fine tuning spring between the sliding table and the assembling cavity, the assembling block can be finely tuned by overcoming the elastic force of the second fine tuning spring in the left-right direction, and can be finely tuned by overcoming the elastic force of the first fine tuning spring in the front-back direction; the first circular groove and the second circular groove enable the second pipeline butt joint pipe and the second pipeline butt joint pipe to have a certain movable fine adjustment space, and clamping is avoided;
in the butt joint process, if the first pipeline butt joint pipe of the upper butt joint plate or the first pipeline butt joint pipe and the second pipeline butt joint pipe of the lower butt joint plate or the butt joint deviation occurs between the first pipeline butt joint pipe and the first funnel pipe orifice and the first pipeline butt joint pipe and the second funnel pipe orifice, the first pipeline butt joint pipe is abutted against the first funnel pipe orifice, so that the corresponding assembly block overcomes the elasticity of the first fine tuning spring and the second fine tuning spring to finely tune the deviation amount, so that the second pipeline butt joint pipe and the first pipeline butt joint pipe can be aligned, the first pipeline butt joint pipe can be inserted into the second pipeline butt joint pipe, the first pipeline butt joint pipe is abutted against the second funnel pipe orifice, so that the corresponding assembly block overcomes the elasticity of the first fine tuning spring and the second fine tuning spring to finely tune the deviation amount, so that the second pipeline butt joint pipe and the first pipeline butt joint pipe can be aligned, enabling the first line butt joint pipe to be inserted into the second line butt joint pipe; moreover, because each assembling block is independently arranged, the assembling block can adapt to the butt joint of each first pipeline butt joint pipe and each second pipeline butt joint pipe without mutual interference, and the butt joint of each first pipeline butt joint pipe and each second pipeline butt joint pipe without mutual interference;
after the first positioning rod is completely inserted into the first positioning groove, butt joint can be completed by using the limiting locking part, after testing is completed, the limiting locking part is taken down, the positioning rod can be separated after being moved out of the first positioning groove, each assembling block can rebound and reset under the elastic force of the first fine-tuning spring, and each sliding table can rebound and reset under the elastic force of the second fine-tuning spring;
the utility model arranges a sliding table, an assembly block, a first fine adjustment spring and a second fine adjustment spring in the assembly cavity, when the first pipeline butt joint pipe is in butt joint with the second pipeline butt joint pipe, the first pipeline butt joint pipe is in butt joint with the mouth of the first funnel pipe, so that the second pipeline butt joint pipe can finely adjust the position, thereby eliminating the butt joint deviation, when the first line butt joint pipe is in butt joint with the second line butt joint pipe, the second line butt joint pipe can finely adjust the position through the butt joint of the first line butt joint pipe and the second funnel pipe, thereby eliminating the butt joint deviation, solving the problem that the butt joint parts of two butt joint plates are slightly staggered because of the processing precision in the actual use process, the butt joint is not smooth, however, the existing butt joint mechanism can not make the radial self-adaptive adjustment in the butt joint process, thereby causing the technical problem that the requirement on the processing precision of the butt joint part is high.
Further inject, both sides all are equipped with T shape spout around the assembly chamber, two the slip table all is equipped with T shape spout assorted T shape slider, through T shape spout and T shape slider sliding connection between assembly chamber and two slip tables. By means of the structure, the sliding structure between the two sliding tables and the assembly cavity is simple, and meanwhile, the T-shaped sliding grooves are matched with the T-shaped sliding blocks, so that the limiting function is achieved, and the sliding tables are prevented from deflecting in the sliding process.
Further inject, two the relative one side of slip table still symmetry is equipped with a plurality of second locating levers, both sides all are equipped with second locating lever assorted second constant head tank around the assembly piece. By the structure, the first fine tuning spring can be prevented from radially deflecting when the two sliding tables slide, and the first fine tuning spring is prevented from deforming.
Further inject, spacing retaining member including run through first locating rod around both ends first spacing through-hole, set up in first constant head tank upside run through down both ends around the butt joint plate with first spacing through-hole assorted second spacing through-hole and first gag lever post, first spacing through-hole aperture size equals the spacing through-hole aperture size of second, first gag lever post and the spacing through-hole phase-match of second, the equal threaded connection in first gag lever post both ends has stop nut. Such structure makes the simple structure of spacing retaining member, and the processing assembly and the use of being convenient for, after first gag lever post inserted first constant head tank completely, first spacing through-hole aligns with the spacing through-hole of second, and the staff only need through running through the spacing through-hole of second and first spacing through-hole with first gag lever post in proper order, thereby the convenient locking of the spacing nut at rethread locking first gag lever post both ends is fixed between first gag lever post and the first constant head tank.
Further inject, the lower butt joint plate downside be equipped with first spacing groove assorted damper, damper is including cavity, the spacing through-hole of third, damping spring and backup pad, the cavity is linked together with first spacing groove, damping spring sets up in the cavity bottom surface, damping spring and backup pad fixed connection, the backup pad downside be equipped with the spacing through-hole assorted second gag lever post of third. Such structure can make the impact force after butt joint board and lower butt joint board pass through first locating lever transmission to the backup pad, cushions the impact force through damping spring, and the cooperation between second locating lever and the spacing through-hole of third simultaneously can make the backup pad can not take place to deflect when pushing down.
Further inject, the cavity still is equipped with spacing spout, the backup pad is equipped with the spacing slider with spacing spout assorted. With such a structure, the lifting and sliding of the support plate can be limited.
Further inject, the second gag lever post downside is equipped with the baffle. Such structure can prevent when experimental the end, goes up the butt joint board and separates the back with lower butt joint board, and damping spring rebounds and violently makes inside the second gag lever post gets into the cavity.
Further limit, first funnel mouth and second funnel mouth all are equipped with the elastic sleeve. Such structure can have certain noise reduction shock attenuation effect when first funnel mouth of pipe and second funnel mouth of pipe and last butt plate contact.
Compared with the prior art, the utility model has the following advantages:
1. the sliding table, the assembly block, the first fine tuning spring and the second fine tuning spring are arranged in the assembly cavity, when the first pipeline butt joint pipe is in butt joint with the second pipeline butt joint pipe, the first pipeline butt joint pipe is in butt joint with the opening of the first funnel pipe, so that the second pipeline butt joint pipe can be finely tuned in position, and butt joint deviation is eliminated; when the first line butt joint pipe is in butt joint with the second line butt joint pipe, the first line butt joint pipe is in butt joint with the orifice of the second funnel, so that the second line butt joint pipe can finely adjust the position, and the butt joint deviation is eliminated;
2. after the butt joint is completed, each assembling block can rebound and reset under the elastic force of the first fine tuning spring, and each sliding table can rebound and reset under the elastic force of the second fine tuning spring;
3. the shock absorption mechanism is provided, impact force generated when the upper butt joint mechanism and the lower butt joint mechanism are in butt joint can be buffered through the shock absorption spring, and the shock absorption mechanism has practicability.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural view of an embodiment of a docking mechanism of a running-in test bed for an engine according to the present invention;
FIG. 2 is a schematic diagram of a structure of the engine running-in test bed according to the embodiment of the present invention after butt joint;
FIG. 3 is a schematic diagram of a cross-sectional structure of an embodiment of a butt joint mechanism of a running-in test bed pipeline of an engine according to the present invention;
FIG. 4 is an enlarged schematic view of a structure at a section A after butt joint of an embodiment of a pipeline butt joint mechanism of an engine running-in test bed of the present invention;
FIG. 5 is a schematic view of an internal structure of a lower butt plate of an embodiment of a pipeline butt joint mechanism of an engine running-in test bed of the present invention;
the main element symbols are as follows:
the device comprises an upper butt joint mechanism 1, an upper butt joint plate 11, a first pipeline butt joint pipe 12, a first pipeline butt joint pipe 13, a first positioning rod 14, a first limiting through hole 141, a lower butt joint mechanism 2, a lower butt joint plate 21, an assembly cavity 211, a sliding table 212, a first fine adjustment spring 213, an assembly block 214, a second fine adjustment spring 215, a T-shaped sliding groove 216, a T-shaped sliding block 217, a second positioning rod 218, a second pipeline butt joint pipe 22, a first funnel pipe orifice 221, a second pipeline butt joint pipe 23, a second funnel pipe orifice 231, a first positioning groove 24, a second limiting through hole 241, a limiting locking member 25, a first limiting rod 251, a limiting nut 252, a first circular groove 261, a second circular groove 262, a damping mechanism 3, a cavity 31, a third limiting through hole 32, a damping spring 33, a support plate 34, a second limiting rod 341, a limiting sliding block 342, a baffle 343, a limiting sliding groove 35 and an elastic sleeve 36.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in FIGS. 1-5, the present invention relates to a pipeline docking mechanism for an engine running-in test stand, which comprises an upper docking mechanism 1 disposed on a pallet of a trolley and a lower docking mechanism 2 disposed on the running-in test stand, wherein the upper docking mechanism 1 comprises an upper docking plate 11, first pipeline docking pipes 12 symmetrically disposed at two sides and first pipeline docking pipes 13 symmetrically disposed at a middle portion, the lower docking mechanism 2 is provided with a lower docking plate 21 matched with the upper docking plate 11, a plurality of assembling cavities 211 are disposed at two sides and a middle portion of the lower docking plate 21, the assembling cavities 211 at two sides are respectively matched with the first pipeline docking pipes 12 at two sides, the assembling cavities 211 at the middle portion are respectively matched with the first pipeline docking pipes 13 at the middle portion, the sliding connection of the front and rear sides of the assembling cavities 211 is provided with sliding tables 212, a first fine tuning spring 213 is disposed at one side opposite to the two sliding tables 212, an assembling block 214 is disposed between the two, the two first fine tuning springs 213 are respectively fixedly connected with the front side and the rear side of the assembly block 214, the assembly block 214 in the assembly cavity 211 at the two sides is respectively provided with a second pipeline butt joint pipe 22, the inner diameter of the second pipeline butt joint pipe 22 is matched with the outer diameter of the first pipeline butt joint pipe 12, the assembly block 214 in the assembly cavity 211 at the middle part is provided with a second pipeline butt joint pipe 23, the inner diameter of the second pipeline butt joint pipe 23 is matched with the outer diameter of the first pipeline butt joint pipe 13, the second pipeline butt joint pipe 22 is provided with a first funnel pipe opening 221, the second pipeline butt joint pipe 23 is provided with a second funnel pipe opening 231, the left side and the right side of the two sliding tables 212 are respectively provided with a second fine tuning spring 215, the second fine tuning springs 215 are fixedly connected with the assembly cavity 211, the left end and the right end of the upper butt joint plate 11 are symmetrically provided with a first positioning rod 14, the lower butt joint plate 21 is provided with a first, the upper and lower both sides of lower butt joint plate 21 all are equipped with first circular slot 261 with second pipeline butt joint pipe 22 assorted and with second circular slot 262 of second pipeline butt joint pipe 23 assorted, two first circular slots 261 are run through respectively to the upper and lower both sides of second pipeline butt joint pipe 22, two second circular slots 262 are run through respectively to the upper and lower both sides of second pipeline butt joint pipe 23.
By adopting the technical scheme of the utility model, when the upper butt joint mechanism 1 is butt jointed with the lower butt joint mechanism 2, the butt joint can be accurately carried out through the positioning matching of the first positioning rod 14 of the upper butt joint plate 11 and the first positioning groove 24 of the lower butt joint mechanism 2; through the first fine tuning spring 213 between the sliding table 212 and the assembling block 214 and the second fine tuning spring 215 between the sliding table 212 and the assembling cavity 211, the assembling block 214 can be finely tuned in the left-right direction by overcoming the elastic force of the second fine tuning spring 215, and can be finely tuned in the front-back direction by overcoming the elastic force of the first fine tuning spring 213; the first circular groove 261 and the second circular groove 262 enable the second pipeline butt joint pipe 22 and the second pipeline butt joint pipe 23 to have a certain movable fine adjustment space, and therefore clamping is avoided;
in the process of butt joint, if a deviation of butt joint occurs between the first pipeline butt joint pipe 12 or the first pipeline butt joint pipe 13 of the upper butt joint plate 11 and the second pipeline butt joint pipe 22 or the second pipeline butt joint pipe 23 of the lower butt joint plate 21, the first pipeline butt joint pipe 12 abuts against the first funnel pipe orifice 221 through the cooperation between the first pipeline butt joint pipe 12 and the first funnel pipe orifice 221 and the cooperation between the first pipeline butt joint pipe 13 and the second funnel pipe orifice 231, so that the corresponding assembling block 214 overcomes the elastic forces of the first trimming spring 213 and the second trimming spring 215 to perform fine adjustment on the deviation amount, so that the second pipeline butt joint pipe 22 and the first pipeline butt joint pipe 12 can be aligned, the first pipeline butt joint pipe 12 can be inserted into the second pipeline butt joint pipe 22, the first pipeline butt joint pipe 13 abuts against the second funnel pipe orifice 231, so that the corresponding assembling block 214 overcomes the elastic forces of the first trimming spring 213 and the second trimming spring 215 to perform fine adjustment on the deviation amount, thereby enabling the second line interface tube 23 to be aligned with the first line interface tube 13, enabling the first line interface tube 13 to be inserted into the second line interface tube 23; moreover, because each assembling block 214 is separately arranged, the butt joint of each first pipeline butt joint pipe 12 and each second pipeline butt joint pipe 22 can be adapted without mutual interference, and the butt joint of each first pipeline butt joint pipe 13 and each second pipeline butt joint pipe 23 can be adapted without mutual interference;
after the first positioning rod 14 is completely inserted into the first positioning groove 24, the butt joint can be completed by using the limiting locking piece 25, after the test is completed, the limiting locking piece 25 is taken down, the positioning rod 14 is separated after being moved away from the first positioning groove 24, each assembling block 214 can rebound and reset under the elastic force of the first fine-tuning spring 213, and each sliding table 212 can rebound and reset under the elastic force of the second fine-tuning spring 215;
the utility model arranges a sliding table, an assembly block, a first fine adjustment spring and a second fine adjustment spring in the assembly cavity, when the first pipeline butt joint pipe is in butt joint with the second pipeline butt joint pipe, the first pipeline butt joint pipe is in butt joint with the mouth of the first funnel pipe, so that the second pipeline butt joint pipe can finely adjust the position, thereby eliminating the butt joint deviation, when the first line butt joint pipe is in butt joint with the second line butt joint pipe, the second line butt joint pipe can finely adjust the position through the butt joint of the first line butt joint pipe and the second funnel pipe, thereby eliminating the butt joint deviation, solving the problem that the butt joint parts of two butt joint plates are slightly staggered because of the processing precision in the actual use process, the butt joint is not smooth, however, the existing butt joint mechanism can not make the radial self-adaptive adjustment in the butt joint process, thereby causing the technical problem that the requirement on the processing precision of the butt joint part is high.
Specifically, the front side and the rear side of the assembly cavity 211 are respectively provided with a T-shaped sliding groove 216, the two sliding tables 212 are respectively provided with a T-shaped sliding block 217 matched with the T-shaped sliding grooves 216, and the assembly cavity 211 and the two sliding tables 212 are connected in a sliding mode through the T-shaped sliding grooves 216 and the T-shaped sliding blocks 217. By adopting the structure, the sliding structure between the two sliding tables 212 and the assembly cavity 211 is simple, and meanwhile, the T-shaped sliding groove 216 and the T-shaped sliding block 217 are matched to have a limiting effect, so that the sliding tables 212 are prevented from deflecting in the sliding process. In fact, other structures are also conceivable as the case may be, so that the sliding structure between the slide table 212 and the fitting cavity 211 is simple.
Specifically, a plurality of second positioning rods 218 are symmetrically arranged on the opposite sides of the two sliding tables 212, and second positioning grooves matched with the second positioning rods 218 are formed in the front side and the rear side of the assembling block 214. With such a configuration, the first trimming spring 213 is prevented from radially deflecting when the two slide tables 212 slide, and the first trimming spring 213 is prevented from deforming. In fact, other structures are also contemplated as appropriate to avoid radial deflection deformation of the first trim spring 213.
Specifically, the limiting locking member 25 comprises a first limiting through hole 141 penetrating through the front end and the rear end of the first positioning rod 14, a second limiting through hole 241 and a first limiting rod 251 which are arranged on the upper side of the first positioning groove 24 and penetrate through the front end and the rear end of the lower butt plate 21 and are matched with the first limiting through hole 141, the aperture size of the first limiting through hole 141 is equal to the aperture size of the second limiting through hole 241, the first limiting rod 251 is matched with the second limiting through hole 241, and two ends of the first limiting rod 251 are all in threaded connection with limiting nuts 252. Such structure makes spacing retaining member 25's simple structure, and the processing assembly and the use of being convenient for, after first gag lever post 14 inserted first locating groove 24 completely, first spacing through-hole 141 aligns with second spacing through-hole 241, and the staff only need through running through second spacing through-hole 241 and first spacing through-hole 141 with first gag lever post 251 in proper order, thereby the convenient locking of fixing between first gag lever post 14 and first locating groove 24 of stop nut 252 at the first gag lever post 251 both ends of rethread locking is fixed. In fact, other structures can be considered according to the situation, so that the structure of the limiting locking piece 25 is simple, and the processing, the assembly and the use are convenient.
Specifically, lower butt joint plate 21 downside is equipped with and first spacing groove 24 assorted damper 3, and damper 3 is linked together with first spacing groove 24 including cavity 31, third limiting through hole 32, damping spring 33 and backup pad 34, cavity 31, and damping spring 33 sets up in cavity 31 bottom surface, damping spring 33 and backup pad 34 fixed connection, and backup pad 34 downside is equipped with and third limiting through hole 32 assorted second gag lever post 341. With this configuration, the impact force generated after the upper butt plate 11 and the lower butt plate 21 are butted can be transmitted to the support plate 34 through the first positioning rod 14, the impact force is buffered by the damper spring 33, and the support plate 34 is prevented from deflecting when pressed down by the engagement between the second stopper rod 341 and the third stopper through hole 32. In fact, other configurations may be used as appropriate, and the impact force after the upper and lower butt plates 11 and 21 are butted can be buffered.
Specifically, the cavity 31 is further provided with a limiting sliding groove 35, and the supporting plate 34 is provided with a limiting sliding block 342 matched with the limiting sliding groove 35. With this configuration, the up-and-down sliding of the support plate 34 can be restricted. In fact, other structures may be used as appropriate, so that the up-and-down sliding of the supporting plate 34 can be limited.
Specifically, a baffle 343 is disposed on the lower side of the second stopper 341. With this configuration, it is possible to prevent the second stopper 341 from entering the cavity 31 due to the rebound of the damper spring 33 after the upper butt plate 11 and the lower butt plate 21 are separated from each other at the end of the test. In fact, it is also considered that the length of the second stopper rod 341 is set to be equal to the height of the cavity 31 according to circumstances, so as to prevent the second stopper rod 341 from entering the cavity 31 due to the rebound of the damping spring 33 after the upper docking plate 11 and the lower docking plate 21 are separated at the end of the test.
Specifically, the first funnel nozzle 221 and the second funnel nozzle 231 are both provided with an elastic sleeve 36. With such a structure, a certain noise reduction and vibration reduction effect can be achieved when the first funnel pipe port 221 and the second funnel pipe port 231 are in contact with the upper butt plate 11. In fact, other structures can be considered according to the situation, and a certain noise reduction and shock absorption effect can be achieved when the first funnel pipe orifice 221 and the second funnel pipe orifice 231 are in contact with the upper butt plate 11.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The utility model provides an engine running-in test bench pipeline docking mechanism, is including setting up in last docking mechanism (1) of dolly tray and setting up in lower docking mechanism (2) of running-in test bench, its characterized in that: the upper butt joint mechanism (1) comprises an upper butt joint plate (11), first pipeline butt joint pipes (12) symmetrically arranged on two sides and first pipeline butt joint pipes (13) symmetrically arranged at the middle part, a lower butt joint plate (21) matched with the upper butt joint plate (11) is arranged on the lower butt joint mechanism (2), a plurality of assembling cavities (211) are arranged on two sides and in the middle of the inner part of the lower butt joint plate (21), the assembling cavities (211) on two sides are respectively matched with the positions of the first pipeline butt joint pipes (12) on the two sides, the assembling cavity (211) in the middle is respectively matched with the position of the first pipeline butt joint pipe (13) in the middle, the sliding tables (212) are respectively connected with the front and rear sides of the assembling cavity (211) in a sliding manner, first fine tuning springs (213) are respectively arranged on one side opposite to the sliding tables (212), assembling blocks (214) are arranged between the two sliding tables (212), and the first fine tuning springs (213) are respectively fixedly connected with the front, in both sides assembly chamber (211) assembly piece (214) all is equipped with second pipeline butt joint pipe (22), second pipeline butt joint pipe (22) internal diameter size and first pipeline butt joint pipe (12) external diameter size phase-match, in middle part assembly chamber (211) assembly piece (214) all is equipped with second pipeline butt joint pipe (23), second pipeline butt joint pipe (23) internal diameter size and first pipeline butt joint pipe (13) external diameter size phase-match, second pipeline butt joint pipe (22) is equipped with first funnel mouth of pipe (221), second pipeline butt joint pipe (23) are equipped with second funnel mouth of pipe (231), two the slip table (212) left and right sides is equipped with second fine setting spring (215) respectively, second fine setting spring (215) and assembly chamber (211) fixed connection, go up both ends symmetry and be equipped with first locating rod (14) about butt joint plate (11), butt joint plate (21) are equipped with first locating groove (24) with first locating rod (14) assorted down, first constant head tank (24) are equipped with spacing retaining member (25), both sides all are equipped with and dock pipe (22) assorted first circular slot (261) and dock pipe (23) assorted second circular slot (262) with the second line about lower butt joint plate (21), the second line docks pipe (22) upper and lower both sides and runs through two first circular slots (261) respectively, the second line docks pipe (23) upper and lower both sides and runs through two second circular slots (262) respectively.
2. The engine running-in test bench pipeline docking mechanism of claim 1, characterized in that: both sides all are equipped with T shape spout (216) around assembly chamber (211), two slip table (212) all are equipped with T shape slider (217) with T shape spout (216) assorted, through T shape spout (216) and T shape slider (217) sliding connection between assembly chamber (211) and two slip tables (212).
3. The engine running-in test bench pipeline docking mechanism of claim 1, characterized in that: two slip table (212) relative one side still symmetry is equipped with a plurality of second locating levers (218), assembly piece (214) front and back both sides all are equipped with second locating groove of second locating lever (218) assorted.
4. The engine running-in test bench pipeline docking mechanism of claim 1, characterized in that: spacing retaining member (25) including run through first spacing through-hole (141) at both ends around first locating rod (14), set up in first locating groove (24) upside run through down butt joint plate (21) around both ends with spacing through-hole (241) of first spacing through-hole (141) assorted second and first gag lever post (251), first spacing through-hole (141) aperture size is equal to spacing through-hole (241) aperture size of second, first gag lever post (251) and the spacing through-hole (241) phase-match of second, the equal threaded connection in first gag lever post (251) both ends has stop nut (252).
5. The engine running-in test bench pipeline docking mechanism of claim 1, characterized in that: lower butt joint board (21) downside is equipped with and first locating groove (24) assorted damper (3), damper (3) are including cavity (31), third spacing through-hole (32), damping spring (33) and backup pad (34), cavity (31) are linked together with first locating groove (24), damping spring (33) set up in cavity (31) bottom surface, damping spring (33) and backup pad (34) fixed connection, backup pad (34) downside is equipped with and third spacing through-hole (32) assorted second gag lever post (341).
6. The engine running-in test bench pipeline docking mechanism of claim 5, characterized in that: the cavity (31) is further provided with a limiting sliding groove (35), and the supporting plate (34) is provided with a limiting sliding block (342) matched with the limiting sliding groove (35).
7. The engine running-in test bench pipeline docking mechanism of claim 5, characterized in that: a baffle plate (343) is arranged on the lower side of the second limiting rod (341).
8. The engine running-in test bench pipeline docking mechanism of claim 1, characterized in that: the first funnel pipe orifice (221) and the second funnel pipe orifice (231) are both provided with elastic sleeves (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939221.6U CN212030914U (en) | 2020-05-28 | 2020-05-28 | Engine running-in test bench pipeline docking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939221.6U CN212030914U (en) | 2020-05-28 | 2020-05-28 | Engine running-in test bench pipeline docking mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN212030914U true CN212030914U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020939221.6U Expired - Fee Related CN212030914U (en) | 2020-05-28 | 2020-05-28 | Engine running-in test bench pipeline docking mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993667A (en) * | 2022-08-03 | 2022-09-02 | 杭州奔月致远科技有限公司 | Docking device, equipment and method for offline test detection of automobile gearbox |
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2020
- 2020-05-28 CN CN202020939221.6U patent/CN212030914U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993667A (en) * | 2022-08-03 | 2022-09-02 | 杭州奔月致远科技有限公司 | Docking device, equipment and method for offline test detection of automobile gearbox |
| CN114993667B (en) * | 2022-08-03 | 2022-11-11 | 杭州奔月致远科技有限公司 | Docking device, equipment and method for offline test detection of automobile gearbox |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |