CN113865999A - High-pressure detection table for oil pipe of push type bulldozer - Google Patents

High-pressure detection table for oil pipe of push type bulldozer Download PDF

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Publication number
CN113865999A
CN113865999A CN202110973477.8A CN202110973477A CN113865999A CN 113865999 A CN113865999 A CN 113865999A CN 202110973477 A CN202110973477 A CN 202110973477A CN 113865999 A CN113865999 A CN 113865999A
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rotating shaft
bracket
oil pipe
sliding block
assembly
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杨东升
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Individual
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/182—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for tubes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0003—Steady
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0019—Compressive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0048—Hydraulic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0244—Tests performed "in situ" or after "in situ" use
    • G01N2203/0246—Special simulation of "in situ" conditions, scale models or dummies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/025—Geometry of the test
    • G01N2203/0258—Non axial, i.e. the forces not being applied along an axis of symmetry of the specimen
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0262—Shape of the specimen
    • G01N2203/0274—Tubular or ring-shaped specimens
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/067—Parameter measured for estimating the property
    • G01N2203/0676—Force, weight, load, energy, speed or acceleration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/067—Parameter measured for estimating the property
    • G01N2203/0682—Spatial dimension, e.g. length, area, angle

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention relates to the field of mechanical equipment detection, in particular to a high-pressure detection platform for an oil pipe of a push type bulldozer. The technical problem of the invention is that: the method for detecting the cracks to judge the breakage of the oil pipe needs a lot of time for detection, and the internal damage degree is difficult to judge. The technical implementation scheme of the invention is as follows: the high-pressure detection platform for the oil pipe of the push type bulldozer comprises a middle detection assembly, a left limiting assembly, a right limiting assembly and the like; the lower surface rigid coupling of top fixed plate has middle part detection subassembly. According to the technical scheme provided by the invention, the change of the expansion degree of the oil pipe and the oil leakage phenomenon are detected in sequence by changing the hydraulic strength applied to the oil pipe, whether the oil pipe is in an aging area or not is detected, the bending motion required by the end part of the oil pipe when a side shovel of a bulldozer works can be simulated, and then whether the oil leakage phenomenon exists at the end part or not can be detected by an operator.

Description

High-pressure detection table for oil pipe of push type bulldozer
Technical Field
The invention relates to the field of mechanical equipment detection, in particular to a high-pressure detection platform for an oil pipe of a push type bulldozer.
Background
The utility model provides a high pressure fuel pipe for connecting bull-dozer side shovel, because its circuit is longer, and the shape structure that the automobile body is hugged closely to needs fixes through the bending of multizone corner, and the one end that high pressure fuel pipe connects bull-dozer side shovel still need follow the lift of side shovel and carry out reciprocal bending, the inside of oil pipe is after the reciprocating compression flow of long-time high-pressure liquid, its regional bearing strength of bending will further increase, consequently need regularly to carry out detection achievement to the high pressure fuel pipe of bull-dozer, in order to learn high pressure fuel pipe's impaired degree and surplus life in advance, provide the safety guarantee for subsequent work.
The conventional method for detecting the high-pressure oil pipe is to detect whether cracks exist on the outer layer of the oil pipe, if the cracks are large, the oil pipe is aged, however, the high-pressure oil pipe for connecting a bulldozer side shovel is long in line, a lot of time is consumed for detecting whether the oil pipe is broken or damaged by the method for detecting the cracks, and the cracks are partially in a deep-inside and light-outside structure, so that the cracks are difficult to find at any time.
In addition, the inner skin layer of part of the oil pipe is aged more quickly, the wear of the outer part is small, and the damage degree of the inner part is difficult to judge.
In summary, in order to solve the above problems, the device detects the change of the expansion degree of the oil pipe in sequence by changing the hydraulic strength applied to the oil pipe, detects whether the oil pipe has an aged region, and detects whether the aged region has different expansion degrees in sequence when bearing different hydraulic strengths.
Disclosure of Invention
In order to overcome the defects that a great amount of time is consumed for detecting the breakage of the oil pipe by a crack detection method, and part of the oil pipe has the defects that the inner skin layer is aged quickly, the abrasion of the outer part is small, and the damage degree of the inner part is difficult to judge, the invention has the technical problems that: provides a high-pressure detection table for an oil pipe of a push type bulldozer.
The technical implementation scheme of the invention is as follows: the high-pressure detection platform for the oil pipe of the push type bulldozer comprises a middle detection assembly, a left limiting assembly, a right limiting assembly, a power transmission assembly, an end bending assembly, a bottom frame, a rear fixing frame, a middle fixing plate and a top fixing plate; the rear side of the underframe is connected with a rear fixing frame; the middle part of the rear fixing frame is connected with a middle fixing plate; a top fixing plate is connected above the rear fixing frame; the lower surface of the top fixing plate is connected with a middle detection assembly; the rear part component of the middle detection component is connected with the rear part fixing frame; the middle part of the upper surface of the underframe is connected with a left limiting component; the upper surface of the middle fixing plate is connected with a right limiting component; the right side of the upper surface of the underframe is connected with an end bending assembly; a power transmission assembly is connected among the middle detection assembly, the left limiting assembly, the right limiting assembly and the end bending assembly; the left side and the right side of the power transmission assembly are connected with the upper surface of the bottom frame;
the middle detection assembly comprises a top sliding rail, a top electric sliding block, a first support, a first rotating shaft, a first straight gear, a wire guide roller, a first pressure-sensitive sensor, a first spring telescopic rod, a first trigger plate and a toothed bar; the lower surface of the top fixing plate is connected with a top sliding rail; the left side of the top sliding rail is connected with a top electric sliding block; the lower surface of the top electric sliding block is connected with a first bracket; a first rotating shaft is connected below the first bracket; the rear side of the outer surface of the first rotating shaft is connected with a first straight gear; the middle part of the outer surface of the first rotating shaft is connected with a power transmission assembly; the front side of the outer surface of the first rotating shaft is connected with a wire guide roller; a first pressure-sensitive sensor is connected to the front upper part of the first bracket; a first spring telescopic rod is connected below the first pressure-sensitive sensor; a first trigger plate is connected below the first spring telescopic rod; a toothed bar is connected above the rear fixing frame; the first spur gear engages the toothed bar.
More preferably, a ring of the bump structures is provided around both the front and rear sides of the inner rail of the guide roller.
More preferably, the left limiting assembly comprises a bottom sliding rail, a bottom electric sliding block, a second support, a first roller body, a first spring sliding block, a second rotating shaft, a second roller body and a second straight gear; the upper surface of the underframe is connected with a bottom sliding rail; the left side of the bottom sliding rail is connected with a bottom electric sliding block; the upper surface of the bottom electric sliding block is connected with a second bracket; a first roller body is connected to the front lower part of the second bracket; a first spring sliding block is connected to the upper part of the second bracket; the inner surface of the first spring sliding block is connected with a second rotating shaft; the front side of the outer surface of the second rotating shaft is connected with a second roller body; the front sides of the first roller body and the second roller body are respectively connected with a group of second straight gears; two groups of second straight gears which are adjacent up and down are meshed with each other; the rear side of the outer surface of the second rotating shaft is connected with a power transmission assembly.
More preferably, the right limiting assembly comprises a middle sliding rail, a middle electric sliding block, a third support, a third roller body, a second spring sliding block, a third rotating shaft, a fourth roller body and a third straight gear; the upper surface of the middle fixing plate is connected with a middle sliding rail; the left side of the middle sliding rail is connected with a middle electric sliding block; the upper surface of the middle electric sliding block is connected with a third bracket; a third roller body is connected to the front lower part of the third bracket; a second spring sliding block is connected to the upper part of the third bracket; the inner surface of the second spring sliding block is connected with a third rotating shaft; the front side of the outer surface of the third rotating shaft is connected with a fourth roller body; the front sides of the third roller body and the fourth roller body are respectively connected with a group of third straight gears; two groups of third straight gears which are adjacent up and down are meshed with each other; the rear side of the outer surface of the third rotating shaft is connected with a power transmission assembly.
More preferably, the power transmission assembly comprises a first transmission wheel, a second transmission wheel, a fourth bracket, a third transmission wheel, a fifth bracket, a fourth rotating shaft, a fourth transmission wheel and a fifth transmission wheel; the middle part of the outer surface of the first rotating shaft is connected with a first driving wheel; the rear side of the outer surface of the second rotating shaft is connected with a second driving wheel; the left side of the upper surface of the underframe is connected with a fourth bracket; the front side of the fourth bracket is connected with a third driving wheel through a rotating shaft; the right side of the upper surface of the underframe is connected with a fifth bracket; a fourth rotating shaft is connected above the fifth bracket; the rear side of the outer surface of the fourth rotating shaft is connected with a fourth driving wheel; the rear side of the outer surface of the third rotating shaft is connected with a fifth driving wheel; the first transmission wheel, the second transmission wheel, the third transmission wheel, the fourth transmission wheel and the fifth transmission wheel are connected through the same belt; the front side of the outer surface of the fourth rotating shaft is connected with the end bending assembly.
More preferably, the end bending assembly comprises a sixth transmission wheel, a sixth bracket, a fifth rotating shaft, a seventh transmission wheel, a turntable, a swing arm, a shifting slide block, a positioning rod and a sealing head; a sixth driving wheel is connected to the front side of the outer surface of the fourth rotating shaft; the right side of the upper surface of the underframe is connected with a sixth bracket; a fifth rotating shaft is connected above the sixth bracket; a seventh driving wheel is connected to the front side of the outer surface of the fifth rotating shaft; the sixth driving wheel is connected with the seventh driving wheel through a belt; the rear side of the outer surface of the fifth rotating shaft is connected with a rotating disc; the upper left side of the sixth bracket is connected with a swing arm through a rotating shaft; the middle part of the swing arm is connected with a shifting slide block; the shifting slide block is connected with the rotary table through a rotary shaft; the upper side and the lower side of the left part of the swing arm are respectively connected with a group of positioning rods; the right end of the swing arm is connected with a sealing head.
More preferably, the inner surface of the sealing head is provided with an internal thread structure corresponding to the external thread at the end part of the oil pipe.
More preferably, the roller further comprises an end detection assembly, the right side of the middle sliding rail is connected with the end detection assembly, and the end detection assembly comprises a fourth electric sliding block, a seventh support, a second pressure-sensitive sensor, a second spring telescopic rod, a second trigger plate, an eighth support, a ninth support and a fifth roller body; the right side of the middle sliding rail is connected with a fourth electric sliding block; the upper surface of the fourth electric sliding block is connected with a seventh bracket; the front side of the seventh bracket is connected with a second pressure-sensitive sensor; a second spring telescopic rod is connected below the second pressure-sensitive sensor; a second trigger plate is connected below the second spring telescopic rod; the rear side of the seventh bracket is connected with an eighth bracket; the front lower part of the eighth bracket is connected with a ninth bracket through a lifting slide block; the front upper part of the ninth support is connected with a fifth roller body.
More preferably, the oil leakage detection device further comprises an oil leakage detection assembly, the oil leakage detection assembly is connected to the lower left of the first support and comprises a tenth support, a sixth rotating shaft, a fourth straight gear, a first bevel gear, a seventh rotating shaft, a second bevel gear, a bushing, a wedge-shaped deflector rod, an eighth rotating shaft, an eleventh support, a torsion spring, a wedge-shaped block, a spring clamp plate, a wedge-shaped plate, a positive contact and a negative contact; a first bracket is fixedly connected to the lower left of the first bracket; a sixth rotating shaft is rotatably connected to the rear lower part of the first bracket; a fourth straight gear is fixedly connected to the rear side of the outer surface of the sixth rotating shaft; the fourth straight gear is meshed with the first straight gear; a first bevel gear is fixedly connected to the front side of the outer surface of the sixth rotating shaft; the middle part of the tenth bracket is rotatably connected with a seventh rotating shaft; a second bevel gear is fixedly connected to the left side of the outer surface of the seventh rotating shaft; the second bevel gear is meshed with the first bevel gear; a bushing is fixedly connected to the right side of the outer surface of the seventh rotating shaft; a group of wedge-shaped deflector rods are fixedly connected to the front side and the rear side of the bushing respectively; an eighth rotating shaft is rotatably connected to the front left of the tenth bracket; an eleventh bracket is fixedly connected to the right side of the eighth rotating shaft; a torsion spring is fixedly connected between the eleventh bracket and the tenth bracket; a group of spring clamping plates are fixedly connected to the front side and the rear side of the inner surface of the eleventh bracket respectively; two groups of wedge-shaped plates are arranged on the upper side and the lower side of the eighth rotating shaft in an axisymmetric manner; the two groups of wedge-shaped plates are fixedly connected with a tenth bracket; the middle part of the front side of the group of spring clamping plates positioned at the rear side is fixedly connected with a positive contact; the middle part of the rear side of the group of spring clamping plates positioned on the front side is fixedly connected with a negative contact; the positive contact and the negative contact are in circuit connection.
More preferably, the two sets of spring clamping plates are respectively provided with a set of buffer pads on the opposite surfaces.
Compared with the prior art, the invention has the advantages that: in the technical scheme provided by the invention,
the device detects the expansion degree change of the oil pipe in sequence by changing the hydraulic strength applied to the oil pipe, detects whether the oil pipe has an aged region, and the aged region can have different expansion degrees in sequence when bearing different hydraulic strengths;
in addition, the bending motion required by the end part of the oil pipe when the side shovel of the bulldozer works can be simulated, and then whether the oil leakage phenomenon exists at the end part can be detected by an operator.
Therefore, the technical problems that a great deal of time is consumed for detecting the breakage of the oil pipe by the method for detecting the cracks, and the inner skin layer of part of the oil pipe is aged quickly, the outer part of the oil pipe is worn slightly, and the damage degree of the inner part of the oil pipe is difficult to judge are solved.
Drawings
Fig. 1 is a first perspective view of the present application;
FIG. 2 is a second perspective view of the present application;
FIG. 3 is a first perspective view of a left side member of the present application;
FIG. 4 is a second perspective view of the left side member of the present application;
FIG. 5 is a perspective view of a left stop assembly of the present application;
FIG. 6 is a perspective view of a middle detection assembly of the present application;
FIG. 7 is a schematic view of a partial perspective view of a middle detection assembly of the present application;
FIG. 8 is a perspective view of the right side component of the present application;
FIG. 9 is a perspective view of an end bend assembly of the present application;
FIG. 10 is a perspective view of an end detection assembly of the present application;
FIG. 11 is a schematic view of a first perspective view of an oil leak detection assembly according to the present application;
fig. 12 is a schematic perspective view of a second oil leakage detecting assembly according to the present application.
The parts are labeled as follows: 1-base frame, 2-rear mount, 3-middle mount, 4-top mount, 101-top slide, 102-top electric slide, 103-first bracket, 104-first rotating shaft, 105-first spur gear, 106-wire guide roller, 107-first pressure-sensitive sensor, 108-first spring telescopic rod, 109-first trigger plate, 110-toothed bar, 201-bottom slide, 202-bottom electric slide, 203-second bracket, 204-first roller body, 205-first spring slide, 206-second rotating shaft, 207-second roller body, 208-second spur gear, 301-middle slide, 302-middle electric slide, 303-third bracket, 304-third roller body, 305-second spring slide, 306-a third rotating shaft, 307-a fourth roller body, 308-a third spur gear, 401-a first transmission wheel, 402-a second transmission wheel, 403-a fourth support, 404-a third transmission wheel, 405-a fifth support, 406-a fourth rotating shaft, 407-a fourth transmission wheel, 408-a fifth transmission wheel, 501-a sixth transmission wheel, 502-a sixth support, 503-a fifth rotating shaft, 504-a seventh transmission wheel, 505-a turntable, 506-a swing arm, 507-a toggle slider, 508-a positioning rod, 509-a sealing head, 601-a fourth electric slider, 602-a seventh support, 603-a second pressure-sensitive sensor, 604-a second spring telescopic rod, 605-a second trigger plate, 606-an eighth support, 607-a ninth support, 608-a fifth roller body, 701-a tenth support, 702-a sixth rotating shaft, 703-a fourth spur gear, 704-a first bevel gear, 705-a seventh rotating shaft, 706-a second bevel gear, 707-a bushing, 708-a wedge-shaped deflector rod, 709-an eighth rotating shaft, 710-an eleventh support, 711-a torsion spring, 712-a wedge block, 713-a spring clamp plate, 714-a wedge plate, 715-a positive contact and 716-a negative contact.
Detailed Description
The technical solutions in the embodiments of the present invention will be made clear and fully described below, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
A high-pressure detection table for an oil pipe of a push type bulldozer is shown in figures 1-3 and comprises a middle detection assembly, a left limiting assembly, a right limiting assembly, a power transmission assembly, an end bending assembly, an underframe 1, a rear fixing frame 2, a middle fixing plate 3 and a top fixing plate 4; a rear fixing frame 2 is connected to the rear side of the underframe 1 through bolts; the middle part of the rear fixing frame 2 is fixedly connected with a middle fixing plate 3; a top fixing plate 4 is fixedly connected above the rear fixing frame 2; the lower surface of the top fixing plate 4 is fixedly connected with a middle detection assembly; the rear part of the middle detection component is fixedly connected with the rear part fixing frame 2; the middle part of the upper surface of the underframe 1 is fixedly connected with a left limiting component; the upper surface of the middle fixing plate 3 is fixedly connected with a right limiting component; the right side of the upper surface of the underframe 1 is bolted with an end bending assembly; a power transmission assembly is fixedly connected among the middle detection assembly, the left limiting assembly, the right limiting assembly and the end bending assembly; the left and right sides of the power transmission assembly are bolted to the upper surface of the chassis 1.
Referring to fig. 1, 5 and 7, the middle detection assembly includes a top slide rail 101, a top electric slider 102, a first bracket 103, a first rotating shaft 104, a first straight gear 105, a wire guide roller 106, a first pressure-sensitive sensor 107, a first spring telescopic rod 108, a first trigger plate 109 and a rack bar 110; the lower surface of the top fixing plate 4 is fixedly connected with a top sliding rail 101; the left side of the top sliding rail 101 is connected with a top electric sliding block 102 in a sliding manner; the lower surface of the top electric sliding block 102 is connected with a first bracket 103 through bolts; a first rotating shaft 104 is rotatably connected below the first bracket 103; a first straight gear 105 is fixedly connected to the rear side of the outer surface of the first rotating shaft 104; the middle part of the outer surface of the first rotating shaft 104 is fixedly connected with a power transmission component; a guide roller 106 is fixedly connected to the front side of the outer surface of the first rotating shaft 104; a first pressure-sensitive sensor 107 is bolted to the upper front of the first bracket 103; a first spring telescopic rod 108 is fixedly connected below the first pressure-sensitive sensor 107; a first trigger plate 109 is fixedly connected below the first spring telescopic rod 108; a rack bar 110 is fixedly connected above the rear fixing frame 2; the first straight gear 105 engages the rack bar 110; a ring of bump structures is provided around each of the front and rear sides of the inner track of the guide roller 106.
Referring to fig. 5, the left limiting assembly includes a bottom sliding rail 201, a bottom electric sliding block 202, a second bracket 203, a first roller 204, a first spring sliding block 205, a second rotating shaft 206, a second roller 207, and a second spur gear 208; the upper surface of the underframe 1 is fixedly connected with a bottom slide rail 201; the left side of the bottom sliding rail 201 is connected with a bottom electric sliding block 202 in a sliding manner; the upper surface of the bottom electric sliding block 202 is connected with a second bracket 203 through bolts; a first roller body 204 is rotatably connected to the front lower part of the second bracket 203; a first spring sliding block 205 is connected to the upper inner part of the second bracket 203; the inner surface of the first spring slider 205 is rotatably connected with a second rotating shaft 206; a second roller 207 is fixedly connected to the front side of the outer surface of the second rotating shaft 206; a group of second spur gears 208 are fixedly connected to the front sides of the first roller body 204 and the second roller body 207 respectively; two groups of second straight gears 208 which are adjacent up and down are meshed; the rear side of the outer surface of the second rotating shaft 206 is fixedly connected with a power transmission component.
Referring to fig. 4, the right limiting assembly includes a middle slide rail 301, a middle electric slide block 302, a third bracket 303, a third roller 304, a second spring slide block 305, a third rotating shaft 306, a fourth roller 307 and a third spur gear 308; the upper surface of the middle fixing plate 3 is fixedly connected with a middle slide rail 301; the left side of the middle slide rail 301 is connected with a middle electric slide block 302 in a sliding manner; the upper surface of the middle electric sliding block 302 is connected with a third bracket 303 through bolts; a third roller 304 is rotatably connected to the front lower part of the third bracket 303; a second spring sliding block 305 is connected to the upper inner part of the third bracket 303; a third rotating shaft 306 is rotatably connected to the inner surface of the second spring slider 305; a fourth roller 307 is fixedly connected to the front side of the outer surface of the third rotating shaft 306; a group of third spur gears 308 are fixedly connected to the front sides of the third roller body 304 and the fourth roller body 307 respectively; two groups of third straight gears 308 which are adjacent up and down are meshed; the rear side of the outer surface of the third rotating shaft 306 is fixedly connected with a power transmission component.
Referring to fig. 2 and 3, the power transmission assembly includes a first transmission wheel 401, a second transmission wheel 402, a fourth bracket 403, a third transmission wheel 404, a fifth bracket 405, a fourth rotation shaft 406, a fourth transmission wheel 407 and a fifth transmission wheel 408; a first driving wheel 401 is fixedly connected to the middle of the outer surface of the first rotating shaft 104; a second driving wheel 402 is fixedly connected to the rear side of the outer surface of the second rotating shaft 206; a fourth bracket 403 is connected to the left side of the upper surface of the underframe 1 through a bolt; the front side of the fourth bracket 403 is rotatably connected with a third driving wheel 404 through a rotating shaft; a fifth bracket 405 is connected to the right side of the upper surface of the underframe 1 through a bolt; a fourth rotating shaft 406 is rotatably connected above the fifth bracket 405; a fourth driving wheel 407 is fixedly connected to the rear side of the outer surface of the fourth rotating shaft 406; a fifth driving wheel 408 is fixedly connected to the rear side of the outer surface of the third rotating shaft 306; the first driving wheel 401, the second driving wheel 402, the third driving wheel 404, the fourth driving wheel 407 and the fifth driving wheel 408 are in transmission connection through the same belt; the front side of the outer surface of the fourth rotating shaft 406 is fixedly connected with the end bending component.
Referring to fig. 8 and 9, the end bending assembly includes a sixth transmission wheel 501, a sixth bracket 502, a fifth rotation shaft 503, a seventh transmission wheel 504, a turntable 505, a swing arm 506, a toggle sliding block 507, a positioning rod 508 and a sealing head 509; a sixth driving wheel 501 is fixedly connected to the front side of the outer surface of the fourth rotating shaft 406; a sixth bracket 502 is connected to the right side of the upper surface of the underframe 1 through a bolt; a fifth rotating shaft 503 is rotatably connected above the sixth bracket 502; a seventh driving wheel 504 is fixedly connected to the front side of the outer surface of the fifth rotating shaft 503; the sixth transmission wheel 501 is connected with a seventh transmission wheel 504 through belt transmission; a turntable 505 is fixedly connected to the rear side of the outer surface of the fifth rotating shaft 503; the upper left side of the sixth bracket 502 is rotatably connected with a swing arm 506 through a rotating shaft; the middle part of the swing arm 506 is connected with a toggle sliding block 507 in a sliding way; the toggle sliding block 507 is in transmission connection with the turntable 505 through a rotating shaft; a group of positioning rods 508 are fixedly connected to the upper side and the lower side of the left part of the swing arm 506; a sealing head 509 is fixedly connected to the right end of the swing arm 506; the inner surface of the sealing head 509 is provided with an internal thread structure corresponding to the external thread at the end of the oil pipe.
After the equipment is debugged by the external device, one end of a high-pressure oil pipe to be detected, which is connected with a bulldozer side shovel, sequentially passes through a space between the second roller body 207 and the first roller body 204 in the left limiting assembly, a space between the wire guide roller 106 and the first trigger plate 109 in the middle detecting assembly, a space between the fourth roller body 307 and the third roller body 304 in the right limiting assembly and a space between two groups of positioning rods 508 in the end bending assembly, so that the area of the oil pipe between the wire guide roller 106 and the first trigger plate 109 is in a bending state, and the sealing head 509 of the end bending assembly is used for sealing and connecting the end of the high-pressure oil pipe, and then the other end of the high-pressure oil pipe is externally connected to the hydraulic pump, the output pressure of the selected hydraulic pump is two times higher than the hydraulic strength required by the bulldozer side shovel, and then the left limiting assembly, the middle detection assembly and the right limiting assembly sequentially carry out bending detection work on the middle section part of the high-pressure oil pipe from left to right.
Firstly, controlling a hydraulic pump to introduce liquid into a high-pressure oil pipe and enabling the liquid to be in a normal pressure state, then driving a top electric slide block 102, a bottom electric slide block 202 and a middle electric slide block 302 to respectively drive components connected with the top electric slide block along a top slide rail 101, a bottom slide rail 201 and a middle slide rail 301 to synchronously move rightwards, driving a first rotating shaft 104 to rotate by a first straight gear 105 meshed with a toothed bar 110 moving rightwards at the same time, driving a wire guide roller 106 and a first driving wheel 401 to rotate by the first rotating shaft 104, simultaneously driving a second driving wheel 402, a third driving wheel 404, a fourth driving wheel 407 and a fifth driving wheel 408 by a belt to respectively drive a second rotating shaft 206, a third rotating shaft 306 and a fourth rotating shaft 406 to rotate, simultaneously driving a second roller body 207 and a fourth roller body 307 to rotate by the second rotating shaft 206 and the third rotating shaft 306 respectively, enabling two groups of second straight gears 208 connected with the second roller body 207 and the first roller body 204 to be meshed with each other and driving a first roller body 204 to rotate, meanwhile, two groups of third spur gears 308 connected with the fourth roller 307 and the third roller 304 are meshed with each other and drive the third roller 304 to rotate, so that the second roller 207, the first roller 204, the fourth roller 307, the third roller 304 and the wire guide roller 106 move rightwards again and are combed along a line of an oil pipe, the middle section of the oil pipe sequentially passes through the first trigger plate 109 from left to right, the first spring telescopic rod 108 drives the first trigger plate 109 to be attached to the upper surface of each area of the passing middle section of the oil pipe, pressure changes of each area of the oil pipe passing through are transmitted to the first pressure-sensitive sensor 107 by the first spring telescopic rod 108, and the first pressure-sensitive sensor 107 feeds back the expansion degree of each area of the middle section of the oil pipe to a recording device.
Then the top electric sliding block 102, the bottom electric sliding block 202 and the middle electric sliding block 302 respectively drive the parts connected with each other to respectively move along the top sliding rail 101, the bottom sliding rail 201 and the middle sliding rail 301 to reset leftwards synchronously, then the hydraulic pump machine is controlled to pressurize the liquid introduced into the high-pressure oil pipe, so that the pressure born by the high-pressure oil pipe is twice of the maximum value of the working pressure, then the expansion degree of each area in the middle section of the oil pipe is detected according to the mode, the measured value of each area is compared with the value in the normal pressure state, and whether each area in the middle section of the oil pipe is aged or not can be reflected through the change value of the expansion degree.
In addition, when the top electric slide block 102, the bottom electric slide block 202 and the middle electric slide block 302 respectively drive the connected components to respectively move along the top slide rail 101, the bottom slide rail 201 and the middle slide rail 301 synchronously to the right, the rotating fourth rotating shaft 406 drives the sixth driving wheel 501 to rotate, the sixth driving wheel 501 drives the fifth rotating shaft 503 to rotate through the belt driving the seventh driving wheel 504, the fifth rotating shaft 503 drives the turntable 505 to rotate, the turntable 505 drives the slide block 507 through the rotating shaft driving to drive the swing arm 506 to swing around the left rotating shaft in a reciprocating manner, meanwhile, the swing arm 506 drives one end of the high-pressure oil pipe connected with the bulldozer side shovel to swing in a reciprocating manner around the positioning rod 508 in a reciprocating manner through the sealing head 509, so as to simulate the bending motion required by the end of the oil pipe when the bulldozer side shovel works, after the first trigger plate 109 finishes the detection work of each region of the middle oil pipe in a pressurized state, whether the oil leakage phenomenon exists at the end part of the oil pipe after the bending motion can be detected by an operator.
Referring to fig. 2 and 10, the device further includes an end detection assembly, the right side of the middle sliding rail 301 is connected with the end detection assembly, and the end detection assembly includes a fourth electric sliding block 601, a seventh bracket 602, a second pressure-sensitive sensor 603, a second spring telescopic rod 604, a second trigger plate 605, an eighth bracket 606, a ninth bracket 607 and a fifth roller 608; the right side of the middle slide rail 301 is connected with a fourth electric slide block 601 in a sliding manner; a seventh bracket 602 is connected to the upper surface of the fourth electric slider 601 through a bolt; a second pressure-sensitive sensor 603 is fixedly connected to the front side of the seventh bracket 602; a second spring telescopic rod 604 is fixedly connected below the second pressure-sensitive sensor 603; a second trigger plate 605 is fixedly connected below the second spring telescopic rod 604; an eighth bracket 606 is fixedly connected to the rear side of the seventh bracket 602; the front lower part of the eighth bracket 606 is connected with a ninth bracket 607 through a lifting slide block; a fifth roller 608 is rotatably connected to the front upper side of the ninth holder 607.
If the expansion degree change of the end part of the oil pipe after the bending motion needs to be more accurately detected, after the bending motion of the oil pipe under the normal pressure state is completed, the ninth support 607 drives the fifth roller 608 via the lifting slider to lift the end region of the oil pipe upwards, and the area of the oil pipe above the fifth roller body 608 is tightly attached to the second trigger plate 605 and drives the second spring telescopic rod 604 to compress upwards, then the fourth electric sliding block 601 drives the component connected with the seventh bracket 602 to move rightwards along the middle sliding rail 301, so that the end part of the oil pipe passes through the fifth roller 608 from left to right in sequence, the second spring telescopic rod 604 drives the second trigger plate 605 to cling to the upper surface of each area of the end part of the passing oil pipe, the pressure change of each region of the oil pipe passing through is transmitted to the second pressure-sensitive sensor 603 by the second spring telescopic rod 604, the second pressure-sensitive sensor 603 feeds back the expansion degree of each area in the middle section of the oil pipe to the external recording equipment.
And then the fourth electric sliding block 601 drives the part connected with the seventh support 602 to move leftwards along the middle sliding rail 301 for resetting, after the oil pipe in the pressurized state finishes bending motion, the expansion degree of each area at the end part of the oil pipe is detected according to the above mode, the measured value of each area is compared with the value in the normal pressure state, and whether each area at the end part of the oil pipe is aged or not can be reflected through the change value of the expansion degree.
Referring to fig. 11 and 12, the oil leakage detection device further includes an oil leakage detection assembly, the oil leakage detection assembly is connected to the lower left of the first bracket 103, and the oil leakage detection assembly includes a tenth bracket 701, a sixth rotating shaft 702, a fourth straight gear 703, a first bevel gear 704, a seventh rotating shaft 705, a second bevel gear 706, a bushing 707, a wedge-shaped shift lever 708, an eighth rotating shaft 709, an eleventh bracket 710, a torsion spring 711, a wedge block 712, a spring clamp plate 713, a wedge plate 714, a positive contact 715, and a negative contact 716; a first bracket 103 is fixedly connected to the lower left of the first bracket 103; a sixth rotating shaft 702 is rotatably connected to the rear lower part of the first bracket 103; a fourth spur gear 703 is fixedly connected to the rear side of the outer surface of the sixth rotating shaft 702; the fourth spur gear 703 meshes with the first spur gear 105; a first bevel gear 704 is fixedly connected to the front side of the outer surface of the sixth rotating shaft 702; a seventh rotating shaft 705 is rotatably connected to the middle of the tenth bracket 701; a second bevel gear 706 is fixedly connected to the left side of the outer surface of the seventh rotating shaft 705; second bevel gear 706 engages first bevel gear 704; a bush 707 is fixedly connected to the right side of the outer surface of the seventh rotating shaft 705; a group of wedge-shaped deflector rods 708 are fixedly connected to the front side and the rear side of the bushing 707 respectively; an eighth rotating shaft 709 is rotatably connected to the front left of the tenth bracket 701; an eleventh bracket 710 is fixedly connected to the right side of the eighth rotating shaft 709; a torsion spring 711 is fixedly connected between the eleventh bracket 710 and the tenth bracket 701; a group of spring clamping plates 713 are fixedly connected to the front side and the rear side of the inner surface of the eleventh bracket 710 respectively; two groups of wedge plates 714 are symmetrically arranged on the upper and lower sides of the eighth rotating shaft 709; the two groups of wedge-shaped plates 714 are fixedly connected with a tenth bracket 701; a positive contact 715 is fixedly connected to the middle of the front side of the rear group of spring clamping plates 713; a negative contact 716 is fixedly connected to the middle part of the rear side of the front group of spring clamping plates 713; the positive contact 715 is in circuit connection with the negative contact 716; the two sets of spring clamping plates 713 are respectively provided with a set of cushion pads on the opposite surfaces.
When the middle detection assembly sequentially carries out bending detection on the middle section part of the high-pressure oil pipe from left to right, the rotating first straight gear 105 is meshed with the fourth straight gear 703 to drive the sixth rotating shaft 702 to rotate, the sixth rotating shaft 702 drives the first bevel gear 704 to rotate, the first bevel gear 704 is meshed with the second bevel gear 706 to drive the seventh rotating shaft 705 to rotate, the seventh rotating shaft 705 drives the bushing 707 and the wedge-shaped deflector rod 708 to rotate, the wedge-shaped deflector rod 708 drives the wedge block 712 to drive the eleventh bracket 710 to rotate upwards, the torsion spring 711 is twisted at the same time, the eleventh bracket 710 drives the spring clamp plate 713 to rotate around the surface of the oil pipe, meanwhile, the two groups of wedge plates 714 simultaneously push the spring clamp plate 713 to extrude the oil pipe, the buffer cushion on the surface of the spring clamp plate 713 can prevent the surface of the oil pipe from being scratched, if the position where the oil pipe is extruded has internal damage and external cracks, the extruded oil will seep to the surface of the oil pipe, when the positive and negative contacts 715 and 716 come into contact with the seeping oil, a conductive loop will form triggering an alarm indicating that the oil pipe is to be scrapped.
The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.

Claims (10)

1. The high-pressure detection platform for the oil pipe of the push type bulldozer comprises an underframe (1), a rear fixing frame (2), a middle fixing plate (3) and a top fixing plate (4); the rear side of the underframe (1) is connected with a rear fixing frame (2); the middle part of the rear fixing frame (2) is connected with a middle fixing plate (3); a top fixing plate (4) is connected above the rear fixing frame (2); the device is characterized by also comprising a middle detection assembly, a left limit assembly, a right limit assembly, a power transmission assembly and an end part bending assembly; the lower surface of the top fixing plate (4) is connected with a middle detection assembly; the rear part component of the middle detection component is connected with the rear part fixing frame (2); the middle part of the upper surface of the underframe (1) is connected with a left limiting component; the upper surface of the middle fixing plate (3) is connected with a right limiting component; the right side of the upper surface of the underframe (1) is connected with an end bending assembly; a power transmission assembly is connected between the middle detection assembly, the left limiting assembly, the right limiting assembly and the end bending assembly; the left side and the right side of the power transmission assembly are connected with the upper surface of the bottom frame (1);
the middle detection assembly comprises a top sliding rail (101), a top electric sliding block (102), a first support (103), a first rotating shaft (104), a first straight gear (105), a wire guide roller (106), a first pressure-sensitive sensor (107), a first spring telescopic rod (108), a first trigger plate (109) and a rack bar (110); the lower surface of the top fixing plate (4) is connected with a top sliding rail (101); the left side of the top sliding rail (101) is connected with a top electric sliding block (102); the lower surface of the top electric sliding block (102) is connected with a first bracket (103); a first rotating shaft (104) is connected below the first bracket (103); a first straight gear (105) is connected to the rear side of the outer surface of the first rotating shaft (104); the middle part of the outer surface of the first rotating shaft (104) is connected with a power transmission component; a guide roller (106) is connected to the front side of the outer surface of the first rotating shaft (104); a first pressure-sensitive sensor (107) is connected to the front upper part of the first bracket (103); a first spring telescopic rod (108) is connected below the first pressure-sensitive sensor (107); a first trigger plate (109) is connected below the first spring telescopic rod (108); a rack bar (110) is connected above the rear fixing frame (2); the first straight gear (105) engages the rack bar (110).
2. The high pressure test stand of the oil pipe of a bulldozer according to claim 1, in which a ring of projection structures is provided on each of the front and rear sides of the inner rail around the guide roller (106).
3. The high-pressure detection platform for the oil pipe of the push type bulldozer according to claim 2, wherein the left limiting assembly comprises a bottom sliding rail (201), a bottom electric sliding block (202), a second bracket (203), a first roller body (204), a first spring sliding block (205), a second rotating shaft (206), a second roller body (207) and a second straight gear (208); the upper surface of the underframe (1) is connected with a bottom sliding rail (201); the left side of the bottom sliding rail (201) is connected with a bottom electric sliding block (202); the upper surface of the bottom electric sliding block (202) is connected with a second bracket (203); a first roller body (204) is connected to the front lower part of the second bracket (203); a first spring sliding block (205) is connected to the upper inner part of the second bracket (203); the inner surface of the first spring sliding block (205) is connected with a second rotating shaft (206); the front side of the outer surface of the second rotating shaft (206) is connected with a second roller body (207); the front sides of the first roller body (204) and the second roller body (207) are respectively connected with a group of second straight gears (208); two groups of second straight gears (208) which are adjacent up and down are meshed with each other; the rear side of the outer surface of the second rotating shaft (206) is connected with a power transmission component.
4. The high-pressure detection platform for the oil pipe of the push dozer as claimed in claim 3, wherein the right limiting assembly comprises a middle slide rail (301), a middle electric slide block (302), a third bracket (303), a third roller body (304), a second spring slide block (305), a third rotating shaft (306), a fourth roller body (307) and a third straight gear (308); the upper surface of the middle fixing plate (3) is connected with a middle sliding rail (301); the left side of the middle sliding rail (301) is connected with a middle electric sliding block (302); the upper surface of the middle electric sliding block (302) is connected with a third bracket (303); a third roller body (304) is connected to the front lower part of the third bracket (303); a second spring sliding block (305) is connected to the upper inner part of the third bracket (303); the inner surface of the second spring sliding block (305) is connected with a third rotating shaft (306); the front side of the outer surface of the third rotating shaft (306) is connected with a fourth roller body (307); the front sides of the third roller body (304) and the fourth roller body (307) are respectively connected with a group of third spur gears (308); two groups of third straight gears (308) which are adjacent up and down are meshed with each other; the rear side of the outer surface of the third rotating shaft (306) is connected with a power transmission assembly.
5. The high pressure test bench of the oil pipe of the push type bulldozer according to claim 4, wherein the power transmission assembly comprises a first transmission wheel (401), a second transmission wheel (402), a fourth bracket (403), a third transmission wheel (404), a fifth bracket (405), a fourth rotating shaft (406), a fourth transmission wheel (407) and a fifth transmission wheel (408); the middle part of the outer surface of the first rotating shaft (104) is connected with a first driving wheel (401); a second driving wheel (402) is connected to the rear side of the outer surface of the second rotating shaft (206); the left side of the upper surface of the underframe (1) is connected with a fourth bracket (403); the front side of the fourth bracket (403) is connected with a third driving wheel (404) through a rotating shaft; a fifth bracket (405) is connected to the right side of the upper surface of the bottom frame (1); a fourth rotating shaft (406) is connected above the fifth bracket (405); a fourth driving wheel (407) is connected to the rear side of the outer surface of the fourth rotating shaft (406); the rear side of the outer surface of the third rotating shaft (306) is connected with a fifth driving wheel (408); the first transmission wheel (401), the second transmission wheel (402), the third transmission wheel (404), the fourth transmission wheel (407) and the fifth transmission wheel (408) are connected through the same belt; the front side of the outer surface of the fourth rotating shaft (406) is connected with the end bending component.
6. The high-pressure detection platform for the oil pipe of the push type bulldozer according to claim 5, wherein the end bending assembly comprises a sixth transmission wheel (501), a sixth bracket (502), a fifth rotating shaft (503), a seventh transmission wheel (504), a turntable (505), a swing arm (506), a toggle sliding block (507), a positioning rod (508) and a sealing head (509); a sixth driving wheel (501) is connected to the front side of the outer surface of the fourth rotating shaft (406); a sixth bracket (502) is connected to the right side of the upper surface of the underframe (1); a fifth rotating shaft (503) is connected above the sixth bracket (502); a seventh transmission wheel (504) is connected to the front side of the outer surface of the fifth rotating shaft (503); the sixth driving wheel (501) is connected with a seventh driving wheel (504) through a belt; a rotary disc (505) is connected to the rear side of the outer surface of the fifth rotating shaft (503); the upper left side of the sixth bracket (502) is connected with a swing arm (506) through a rotating shaft; the middle part of the swing arm (506) is connected with a toggle sliding block (507); the toggle sliding block (507) is connected with the turntable (505) through a rotating shaft; the upper side and the lower side of the left part of the swing arm (506) are respectively connected with a group of positioning rods (508); the right end of the swing arm (506) is connected with a sealing head (509).
7. The high-pressure detection platform for the oil pipe of the push type bulldozer according to claim 6, characterized in that the inner surface of the sealing head (509) is provided with an internal thread structure corresponding to the external thread at the end of the oil pipe.
8. The high-pressure detection table for the oil pipe of the propelling bulldozer according to claim 7, wherein the high-pressure detection table further comprises an end detection assembly, the end detection assembly is connected to the right side of the middle slide rail (301), and comprises a fourth electric slide block (601), a seventh support (602), a second pressure-sensitive sensor (603), a second spring telescopic rod (604), a second trigger plate (605), an eighth support (606), a ninth support (607) and a fifth roller body (608); the right side of the middle sliding rail (301) is connected with a fourth electric sliding block (601); the upper surface of the fourth electric sliding block (601) is connected with a seventh bracket (602); the front side of the seventh bracket (602) is connected with a second pressure-sensitive sensor (603); a second spring telescopic rod (604) is connected below the second pressure-sensitive sensor (603); a second trigger plate (605) is connected below the second spring telescopic rod (604); the rear side of the seventh bracket (602) is connected with an eighth bracket (606); the front lower part of the eighth bracket (606) is connected with a ninth bracket (607) through a lifting slide block; a fifth roller body (608) is connected to the front upper part of the ninth bracket (607).
9. The high-pressure detection platform for the oil pipe of the propelling dozer as claimed in claim 8, which further comprises an oil leakage detection assembly, wherein the oil leakage detection assembly is connected to the lower left of the first bracket (103), and comprises a tenth bracket (701), a sixth rotating shaft (702), a fourth straight gear (703), a first bevel gear (704), a seventh rotating shaft (705), a second bevel gear (706), a bushing (707), a wedge-shaped deflector rod (708), an eighth rotating shaft (709), an eleventh bracket (710), a torsion spring (711), a wedge-shaped block (712), a spring clamp plate (713), a wedge-shaped plate (714), a positive contact (715) and a negative contact (716); a first bracket (103) is fixedly connected to the lower left of the first bracket (103); a sixth rotating shaft (702) is rotatably connected to the rear lower part of the first bracket (103); a fourth straight gear (703) is fixedly connected to the rear side of the outer surface of the sixth rotating shaft (702); the fourth spur gear (703) is meshed with the first spur gear (105); a first bevel gear (704) is fixedly connected to the front side of the outer surface of the sixth rotating shaft (702); the middle part of the tenth bracket (701) is rotatably connected with a seventh rotating shaft (705); a second bevel gear (706) is fixedly connected to the left side of the outer surface of the seventh rotating shaft (705); the second bevel gear (706) engages the first bevel gear (704); a bush (707) is fixedly connected to the right side of the outer surface of the seventh rotating shaft (705); a group of wedge-shaped deflector rods (708) are fixedly connected to the front side and the rear side of the lining (707); an eighth rotating shaft (709) is rotatably connected to the front left side of the tenth bracket (701); an eleventh bracket (710) is fixedly connected to the right side of the eighth rotating shaft (709); a torsion spring (711) is fixedly connected between the eleventh bracket (710) and the tenth bracket (701); a group of spring clamping plates (713) are fixedly connected to the front side and the rear side of the inner surface of the eleventh bracket (710) respectively; two groups of wedge-shaped plates (714) are symmetrically arranged on the upper and lower sides of the eighth rotating shaft (709); the two groups of wedge-shaped plates (714) are fixedly connected with a tenth bracket (701); the middle part of the front side of the group of spring clamping plates (713) positioned at the rear side is fixedly connected with a positive contact (715); the middle part of the rear side of the group of spring clamping plates (713) positioned at the front side is fixedly connected with a negative contact (716); the positive contact 715 is electrically connected to the negative contact 716.
10. The high pressure test stand of claim 9, wherein the opposing faces of the spring clamp plates (713) are each provided with a respective set of cushions.
CN202110973477.8A 2021-08-24 2021-08-24 High-pressure detection table for oil pipe of push type bulldozer Pending CN113865999A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110973477.8A CN113865999A (en) 2021-08-24 2021-08-24 High-pressure detection table for oil pipe of push type bulldozer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110973477.8A CN113865999A (en) 2021-08-24 2021-08-24 High-pressure detection table for oil pipe of push type bulldozer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115389192A (en) * 2022-10-25 2022-11-25 临沭县金易达机械配件有限公司 To quick-witted belt pulley anti idle running ability check out test set of weaving

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115389192A (en) * 2022-10-25 2022-11-25 临沭县金易达机械配件有限公司 To quick-witted belt pulley anti idle running ability check out test set of weaving
CN115389192B (en) * 2022-10-25 2023-03-24 临沭县金易达机械配件有限公司 To quick-witted belt pulley anti idle running ability check out test set of weaving

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