CN114216714A - Hydraulic hoist test system - Google Patents
Hydraulic hoist test system Download PDFInfo
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- CN114216714A CN114216714A CN202111673963.4A CN202111673963A CN114216714A CN 114216714 A CN114216714 A CN 114216714A CN 202111673963 A CN202111673963 A CN 202111673963A CN 114216714 A CN114216714 A CN 114216714A
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- hydraulic hoist
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- test system
- hoist
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a hydraulic hoist testing system. The hydraulic hoist testing system comprises a support frame for fixing a hydraulic hoist, wherein a guide rail is arranged on the support frame, a balance beam is assembled on the guide rail in a sliding mode, hydraulic hoist connecting structures used for being connected with the hydraulic hoist are arranged at two ends of the balance beam, a hydraulic oil cylinder for applying acting force to the balance beam along the axial direction of the guide rail is further arranged on the support frame, and a hydraulic oil cylinder connecting structure used for connecting the hydraulic oil cylinder is further arranged on the balance beam. The hydraulic hoist overcomes the acting force of the hydraulic oil cylinder on the balance beam, detects the load capacity of the hydraulic hoist, adjusts the acting force of the hydraulic oil cylinder on the balance beam, can obtain the running speed of the dynamic balance beam under different loads and the pressure change of the key component of the hydraulic hoist, and further performs detection tests on various performances of the hydraulic hoist.
Description
Technical Field
The invention relates to a hydraulic hoist testing system.
Background
The hoist makes the important permanent equipment in hydraulic engineering, and its quality is directly related to hydraulic engineering operation safety and people's life and property safety. The existing hoist comprises a winch hoist, a hydraulic hoist, a screw hoist and the like, and the hydraulic hoist has the characteristics of flexible action, accurate stroke control, overload protection and the like, so that the hydraulic hoist is widely applied to a gate hoist system of large-scale hydraulic engineering.
Before leaving a factory, the hydraulic hoist needs to test various performances of the hydraulic hoist, including load capacity, starting and stopping stroke, running speed and the like. Chinese utility model patent application specification with publication number CN2050603U and publication date 1990.01.03 discloses a hoist performance test device, which overcomes the acting force of a loading cylinder (namely, a hydraulic cylinder) on a balance hanging beam through a hoist to test the performance of the hoist. The hoist performance testing device is mainly used for testing and detecting the winch hoist. The existing hydraulic hoist is manufactured according to the traditional experience summary, and the performance of the hydraulic hoist is tested by lacking a scientific test platform and means, so that the comprehensive performance of the hydraulic hoist cannot be ensured.
Disclosure of Invention
The invention aims to provide a hydraulic hoist testing system for testing various performances of a hydraulic hoist through scientific means and specific data.
In order to solve the technical problems, the first technical scheme of the hydraulic hoist testing system provided by the invention is as follows: the utility model provides a hydraulic hoist test system, is equipped with the guide rail including the support frame that is used for fixed hydraulic hoist on the support frame, the slip is equipped with the compensating beam on the guide rail, and the both ends of compensating beam are equipped with the hydraulic hoist connection structure that is used for being connected with the hydraulic hoist, still is equipped with on the support frame and exerts the hydraulic cylinder of effort for the compensating beam along the guide rail axial, still be equipped with the hydraulic cylinder connection structure that is used for connecting hydraulic cylinder on the compensating beam.
The technical scheme has the beneficial effects that: the hydraulic hoist overcomes the acting force of the hydraulic oil cylinder on the balance beam, detects the load capacity of the hydraulic hoist, adjusts the acting force of the hydraulic oil cylinder on the balance beam, can obtain the running speed of the dynamic balance beam under different loads and the pressure change of the key component of the hydraulic hoist, and further performs detection tests on various performances of the hydraulic hoist.
The second technical scheme of the hydraulic hoist test system provided by the invention is as follows: on the basis of the first technical scheme of the hydraulic hoist test system, the hydraulic hoist connecting structures are symmetrically arranged along the guide rail, and the hydraulic cylinder connecting structures and the guide rail are coaxially arranged. The hydraulic hoist connecting structure is symmetrically arranged along the guide rail, so that the acting force borne by the balance beam can be ensured to be balanced, and the torque cannot be generated.
The third technical scheme of the hydraulic hoist test system provided by the invention is as follows: on the basis of the first technical scheme of the hydraulic hoist testing system, the guide rail is a square pipe, the side wall of the square pipe, which is opposite to the supporting frame, is provided with an axially extending abdicating groove, and the balance beam is provided with a matching structure which is matched with the abdicating groove to slide on the square pipe. The square tube is convenient to take materials, and the inner tube cavity can be directly used as a guide rail.
The fourth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the third technical scheme of the hydraulic hoist testing system, the matching structure is a sliding block which is arranged on the contact surface of the balance beam and the guide rail and is used for being embedded with the abdicating groove. The slider is simple in structure and can be matched with the abdicating groove to ensure that the balance beam cannot be separated from the guide rail.
The fifth technical scheme of the hydraulic hoist test system provided by the invention is as follows: on the basis of the fourth technical scheme of the hydraulic hoist test system, the balance beam is in an inverted-mountain shape, the hydraulic hoist connecting structure is hydraulic hoist connecting plates arranged at intervals on the convex parts at the two ends of the balance beam, pin shaft holes used for connecting piston rods of the hydraulic hoists are formed in the hydraulic hoist connecting plates, the hydraulic cylinder connecting structure is a hydraulic cylinder connecting plate arranged at intervals on the convex part at the middle section of the balance beam, and the pin shaft holes used for connecting hydraulic cylinders are formed in the hydraulic cylinder connecting plates. The hydraulic hoist and the hydraulic oil cylinder are connected through the pin shaft, so that the strength is high and the disassembly is convenient.
The sixth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of any one of the first technical scheme to the fifth technical scheme of the hydraulic hoist testing system, the supporting frame is of a rectangular beam structure and comprises two main beams forming long edges, two ends of each main beam are respectively connected with the top beam through bottom beams, and the hydraulic oil cylinder is arranged on the bottom beams. The supporting frame of the rectangular beam structure can save materials as much as possible on the premise of ensuring the test.
The seventh technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the sixth technical scheme of the hydraulic hoist test system, the middle section of the support frame is provided with a support beam which is connected with two main beams and is vertical to the main beams. The support beam increases the strength of the support frame in the length direction.
The eighth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the seventh technical scheme of the hydraulic hoist testing system, the guide rail is arranged between the support beam and the top beam. The length of the guide rail is reduced, and the cost is saved.
The ninth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the eighth technical scheme of the hydraulic hoist testing system, reinforcing webs are arranged between the supporting beams and the top beams at intervals, and the guide rails are fixed on the reinforcing webs. The reinforcing web plate enables the fixing strength of the guide rail on the support frame to be higher, and the guide rail is prevented from being bent due to large span.
The tenth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the sixth technical scheme of the hydraulic hoist test system, hydraulic hoist mounting seats are respectively arranged at two ends of the bottom beam, and hydraulic cylinder mounting seats are arranged at the intersection of the symmetry lines of the bottom beam and the two hydraulic hoist mounting seats. The hydraulic hoist and the hydraulic oil cylinder are respectively installed through the specially-arranged installation seats, so that the hydraulic hoist and the hydraulic oil cylinder are fixed and stable on the support frame.
The eleventh technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the tenth technical scheme of the hydraulic hoist test system, the hydraulic hoist mounting seat and the hydraulic oil cylinder mounting seat are two lug plates which are perpendicular to the bottom beam and are arranged at intervals, the two lug plates are correspondingly provided with mounting holes which are matched with each other, and fixing pins are inserted in the mounting holes. The hydraulic hoist and the hydraulic oil cylinder are fixed in a mode of the lug plate and the fixing pin, and the hydraulic hoist and the hydraulic oil cylinder are convenient to process and disassemble.
The twelfth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the eleventh technical scheme of the hydraulic hoist test system, connecting devices with adjustable lengths are arranged on the hydraulic hoist mounting seats, one ends of the connecting devices are connected with mounting holes in the hydraulic hoist mounting seats, and the corresponding other ends of the connecting devices are provided with bases for mounting hydraulic hoists. The connecting device can adjust the installation position of the hydraulic hoist according to the length difference of the hydraulic hoist, so that the synchronous operation of the hydraulic hoist, the hydraulic oil cylinder and the balance beam is ensured.
The thirteenth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the twelfth technical scheme of the hydraulic hoist test system, the connecting device comprises at least two detachable connecting rods, and every two adjacent connecting rods are connected through a detachable connector. The length of the connecting device is adjusted by adjusting the number of the detachable connecting rods or the length of a single connecting rod, so that the structure is simple and the cost is low.
The fourteenth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of any one of the first technical scheme to the fifth technical scheme of the hydraulic hoist testing system, the hydraulic hoist testing system further comprises a fixed seat, the supporting frame is hinged with the fixed seat, and the hydraulic hoist testing system further comprises a locking device for keeping the rotating angle after the supporting frame rotates to a set angle. The support frame is hinged with the fixing seat, so that the support frame can rotate around the fixing seat, and the working performance of the hydraulic hoist under the inclination angle can be detected under the condition of requirement.
The fifteenth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the fourteenth technical scheme of the hydraulic hoist test system, the support frame is provided with a rotating frame, and the support frame is hinged with the fixed seat through the rotating frame. The revolving rack strengthens the structural strength of the hinged position of the supporting frame and the fixed seat.
The sixteenth technical scheme of the hydraulic hoist test system provided by the invention is as follows: on the basis of the fourteenth technical scheme of the hydraulic hoist testing system, the hydraulic hoist testing system further comprises a foundation pit, and the opening of the foundation pit of the fixing seat mounting seat is arranged at the opening of the foundation pit. The foundation ditch provides the space for the rotation of support frame, and convenient to use is convenient for excavate simultaneously to the foundation ditch.
The seventeenth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the fourteenth technical scheme of the hydraulic hoist test system, the locking device comprises a telescopic rod in guiding fit with the support frame and a locking seat for fixing the telescopic rod to lock the support frame. The extension length of the telescopic rod is adjusted according to the rotating angle of the rotating frame and is fixed with the locking seat, and the operation is simple.
The eighteenth technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the seventeenth technical scheme of the hydraulic hoist test system, the two telescopic rods are arranged at intervals, and the locking seat comprises locking assemblies which are arranged at intervals and respectively lock the two telescopic rods. The fixing strength of the locking device to the support frame is guaranteed by the two telescopic rods arranged at intervals.
The nineteenth technical scheme of the hydraulic hoist test system provided by the invention is as follows: on the basis of the eighteenth technical scheme of the hydraulic hoist testing system, the locking assembly comprises a locking bottom plate and two locking vertical plates symmetrically arranged on the locking bottom plate, the symmetric axes of the two locking vertical plates are coplanar with the rotation plane of the telescopic rod, at least two locking holes matched with each other are axially arranged on the two locking vertical plates respectively at intervals, the end part of the telescopic rod is provided with a matching hole matched with the locking hole, and a locking pin is inserted into the locking hole and the matching hole. The telescopic link inserts in the groove that two locking risers and locking bottom plate formed, makes the fixed telescopic link of locking seat through the mode of locking hole, mating holes and stop pin, and processing is convenient and easily operation.
The twentieth technical scheme of the hydraulic hoist test system provided by the invention is as follows: on the basis of the nineteenth technical scheme of the hydraulic hoist testing system, the hydraulic hoist testing system further comprises a steel structure platform, and a traction device used for drawing the support frame to rotate around the fixed seat is arranged on the steel structure platform. The traction device is convenient for an operator to control the support frame to rotate around the fixed seat.
The twenty-first technical scheme of the hydraulic hoist test system of the invention is as follows: on the basis of the twentieth technical scheme of the hydraulic hoist test system, the traction device is an electric hoist. The electric hoist has small structure, light weight and convenient operation.
Drawings
FIG. 1 is a front view of embodiment 1 of a hydraulic hoist test system of the present invention;
FIG. 2 is a side view of embodiment 1 of the hydraulic hoist test system of the present invention;
fig. 3 is a schematic view of an assembly structure of a support frame and a guide rail of embodiment 1 of the hydraulic hoist test system of the present invention;
FIG. 4 is a side view of an assembled structure of the support bracket and the guide rail of FIG. 3;
FIG. 5 is a bottom view of the assembled structure of the support bracket and the guide rail of FIG. 3;
fig. 6 is a schematic structural view of a balance beam of embodiment 1 of the hydraulic hoist test system of the present invention;
FIG. 7 is a cross-sectional view of the equalizer beam of FIG. 6;
fig. 8 is a schematic structural view of a guide rail of embodiment 1 of the hydraulic hoist test system of the present invention;
FIG. 9 is a cross-sectional view taken along line A-A of FIG. 8;
FIG. 10 is a cross-sectional view taken along line B-B of FIG. 8;
fig. 11 is a schematic structural view of a connecting device of embodiment 1 of the hydraulic hoist test system of the present invention;
fig. 12 is a schematic structural view of a connecting head of the connecting device of embodiment 1 of the hydraulic hoist test system of the present invention;
fig. 13 is a side view of the connecting head of fig. 12;
fig. 14 is an assembly structure diagram of the locking device and the supporting frame of the hydraulic hoist testing system according to embodiment 1 of the present invention;
FIG. 15 is a schematic view of an assembled structure of the telescoping rod of the locking device of FIG. 14;
FIG. 16 is an assembled view of the locking seat of the locking device of FIG. 14;
FIG. 17 is a cross-sectional view of the lock seat of FIG. 16;
FIG. 18 is a schematic view of the operation of a hydraulic hoist pushing a balance beam to move upwards;
FIG. 19 is a schematic view of the hydraulic hoist pulling the balance beam downward;
fig. 20 is an assembly structural view of a traction device of embodiment 1 of the hydraulic hoist test system of the present invention;
fig. 21 is a schematic view of the traction device of fig. 20 pulling the support frame to be screwed around the fixing seat.
The respective symbols in the figure: 1. a fixed seat; 2. a support frame; 3. a balance beam; 4. a steel structure platform; 5. a foundation pit; 6. a locking seat; 7. a telescopic rod; 8. a connecting device; 9. a guide rail; 10. a hydraulic hoist; 11. a hydraulic cylinder; 12. an electric hoist; 13. a wire rope; 21. a main beam; 22. a bottom beam; 23. a hydraulic oil cylinder mounting base; 24. a hydraulic hoist mounting seat; 25. a support beam; 26. a reinforcing web; 27. a rotating frame; 31. a hydraulic hoist connecting structure; 32. a hydraulic oil cylinder connecting structure; 33. a slider; 61. a locking assembly; 62. locking the vertical plate; 63. locking the bottom plate; 64. a locking hole; 71. a mating hole; 81. a connecting rod; 82. a connector; 83. a base; 91. a square tube; 92. a base plate; 93. "C" shaped reinforcing ribs; 94. triangular reinforcing ribs; 95. a yielding groove; 821. connecting a vertical plate; 822. connecting the bottom plate; 823. and connecting the holes.
Detailed Description
As shown in fig. 1 to 21, an embodiment 1 of the hydraulic hoist test system of the present invention includes a fixed seat 1 and a support frame 2 hinged to the fixed seat 1, the support frame 2 is provided with a guide rail 9, the guide rail 9 is slidably assembled with a balance beam 3, two ends of the balance beam 3 are provided with hydraulic hoist connecting structures 31 symmetrical along the guide rail 9 and used for connecting with a hydraulic hoist 10, and in other embodiments, the hydraulic hoist connecting structures may not be symmetrical along the guide rail; the supporting frame 2 is provided with a hydraulic oil cylinder which applies acting force to the balance beam 3 along the axial direction of the guide rail, the balance beam 3 is provided with a hydraulic oil cylinder connecting structure 32 which is used for being connected with the hydraulic oil cylinder at the symmetrical line of the hydraulic hoist connecting structure 31, and a piston rod of the hydraulic oil cylinder 11 is used for being connected with the hydraulic oil cylinder connecting structure 32 of the balance beam 3. Be equipped with foundation ditch 5 on the ground, fixing base 1 sets up at the opening edge of foundation ditch 5, is equipped with swivel mount 27 on the support frame 2, and swivel mount 27 passes through the round pin hub connection with fixing base 1, and support frame 2 can rotate round fixing base 1, and according to experimental needs, the turned angle who sets for support frame 2 is 15 degrees at the maximum.
The support frame 2 is a rectangular beam structure, and includes two main beams 21 forming long sides, and a bottom beam 22 and a top beam forming short sides, in this embodiment, the top beam is a reinforcing web 26, and the bottom beam 22 is used for mounting the hydraulic hoist 10 and the hydraulic cylinder 11. A supporting beam 25 which is connected with two main beams and is vertical to the main beams is arranged at the middle section of the support frame 2, which is close to the rotating frame 27, the supporting beam 25 can enhance the strength of the support frame 2 in the length direction, and meanwhile, the strength of the joint of the rotating frame 27 and the support frame 2 is enhanced. A guide rail 9 is arranged between the support beam 25 and the bottom beam 22 on the top of the support frame 2, in this embodiment, the guide rail 9 is a square tube 91, and in other embodiments, the guide rail 9 may also be an i-steel; the side wall of the square tube 91 departing from the support frame is provided with an axially extending abdicating groove 95, and the abdicating groove 95 is matched with the balance beam 3 to enable the balance beam to slide along the guide rail 9; reinforcing webs 26 are arranged between the supporting beam 25 and the bottom beam 22 at the top of the supporting frame at intervals, a base plate 92 is arranged at the position where the guide rail 9 is in contact with the reinforcing webs 26, triangular reinforcing ribs 94 are arranged between the square tube 91 and the base plate 92 to increase the strength of the guide rail 9, the guide rail 9 is mounted on the reinforcing webs 26 through the base plate 92, and a C-shaped reinforcing rib 93 is arranged at the position where the guide rail 9 is not in contact with the reinforcing webs 26 and increases the load capacity of the guide rail 9.
The balance beam 3 is slidably assembled on the guide rail 9, in this embodiment, the balance beam 3 is in an inverted "mountain" shape, a matching structure which is matched with the abdicating groove 95 to slide on the guide rail 91 is arranged on a contact surface of the balance beam 3 and the guide rail 9, in this embodiment, the matching structure is the sliding block 33, in other embodiments, the matching structure can also be an inverted T-shaped connecting rod which is in clearance fit with the abdicating groove 95; the hydraulic hoist connecting structures 31 are symmetrically arranged on the convex portions of the two ends of the inverted-Y-shaped balance beam, hydraulic hoist connecting structures 32 are arranged on the symmetrical lines of the two hydraulic hoist connecting structures 31, the hydraulic hoist connecting structures are hydraulic hoist connecting plates arranged at intervals, pin shaft holes corresponding to the piston rods matched with the hydraulic hoists 10 are formed in the hydraulic hoist connecting plates, the hydraulic hoist connecting structures are hydraulic hoist connecting plates arranged at intervals, and pin shaft holes corresponding to the piston rods matched with the hydraulic hoists 11 are formed in the hydraulic hoist connecting plates.
The both ends of the floorbar 22 of support frame 2 are equipped with hydraulic hoist mount pad 24 respectively, and the crossing department of the symmetry line of floorbar 22 and hydraulic hoist mount pad is equipped with hydraulic cylinder mount pad 23, and in this embodiment, hydraulic hoist mount pad 24 is similar with hydraulic cylinder mount pad 23 structure, is two otic placodes perpendicular and the interval setting with floorbar 22, corresponds on two otic placodes and is equipped with the mounting hole of mutually supporting, and the fixed pin has been inserted in the mounting hole.
The hoist mounting seat 24 is further provided with a connecting device 8 with adjustable length, and the connecting device 8 can adjust the length of the hoist according to the length of the hydraulic hoist so that the hydraulic hoist and the end part of a piston cylinder of the hydraulic oil cylinder are the same and run synchronously with the balance beam 3. The connecting device 8 comprises at least two detachable connecting rods 81, the connecting rods 81 are connected through a detachable connector 82, through holes with the same specification are arranged at two ends of each connecting rod 81, each connector 82 comprises a connecting bottom plate 822 and a connecting vertical plate 821 which is perpendicular to the connecting bottom plate and arranged at intervals, each connecting vertical plate 821 and the connecting bottom plate 822 form a U-shaped structure, the connecting rods just penetrate through U-shaped grooves of the connectors, connecting holes 823 which are matched with the through holes at the two ends of each connecting plate 81 are formed in the connecting vertical plates 821, pins are inserted into the connecting holes 823, threaded holes are formed in the connecting bottom plates 822 and are connected with a main beam of the supporting frame through screws, the through holes at the end parts of the lowermost connecting rods 81 are connected with the hoist mounting seats 24 through pins, the adjacent two connecting rods are connected with the through holes of the connecting rods through the connecting holes of the connectors, and bases 83 for mounting hydraulic hoists are arranged on the through holes at the end parts of the connecting rods at the uppermost ends, the position of the base 83 can be adjusted by adjusting the number of the connecting rods and the length of the single connecting rod, so that the mounting position of the hydraulic hoist on the support frame is adjusted.
The hydraulic hoist test system further comprises a locking device for keeping the rotation angle after the support frame rotates to the set angle, in the embodiment, the locking device comprises an expansion rod 7 which is matched with the support frame in a guiding mode and a locking seat 6 arranged at the bottom of the foundation pit 5, and the expansion rod 7 can be fixed by the locking seat 6 to lock the support frame 2. In this embodiment, two telescopic rods 7 are respectively arranged at the outer sides of two main beams 7, the telescopic rods 7 are provided with matching holes 71 at intervals, the telescopic rods 7 can extend out of the supporting frame to be matched with the locking seats, each locking seat 6 comprises two locking assemblies 61 arranged at intervals, each locking assembly 61 respectively locks the corresponding telescopic rod 7, each locking assembly 61 comprises a locking bottom plate 62 and two locking vertical plates 63 symmetrically arranged on the locking bottom plate 62, the locking bottom plate 62 and the locking vertical plates 63 form a U-shaped structure, the symmetry axes of the two locking vertical plates 63 are coplanar with the rotation plane of the telescopic rods 7, a reinforcing rib plate is arranged between each locking vertical plate 62 and the locking bottom plate 63, at least two locking holes 64 which are mutually matched are arranged at intervals on each locking vertical plate 63, the intervals between the locking holes 64 are kept consistent, in other embodiments, the number of the locking holes 64 and the intervals between two adjacent locking holes can be determined according to the rotation angle requirements of the supporting frame, the locking holes 64 and the fitting holes 71 are inserted with locking pins.
The subaerial steel construction platform 4 that is equipped with at 5 edges of foundation ditch, steel construction platform 4 includes the landing leg and sets up in the supporting platform on landing leg top, the last traction device who is used for pulling the support frame so that the support frame winds the fixing base pivoted of installing of supporting platform, in this embodiment, traction device is electric block 13, electric block 13 has the wire rope 14 that is used for being connected with the floorbar of support frame, electric block 13 pulls the support frame through wire rope 14 and rotates around the fixing base, in other embodiments, traction device also can be the loop wheel machine.
When the hydraulic hoist testing system is used, a hydraulic cylinder is fixed on a hydraulic cylinder mounting seat of a supporting frame and is fixed through a pin shaft, piston rods of the hydraulic cylinder are fixedly connected with a hydraulic cylinder connecting plate on a hydraulic cylinder connecting structure on a balance beam through pin shafts, the number and the length of connecting rods of a connecting device are adjusted according to the length of a hydraulic hoist to be detected, two groups of hydraulic hoists to be detected are respectively fixed on bases at the end parts of the connecting rods, piston rods of the hydraulic hoists are respectively connected and fixed with hydraulic hoist connecting structures at two ends of the balance beam through pin shafts, the heights of the piston rods of the hydraulic hoists and the piston rods of the hydraulic cylinders are consistent so as to move synchronously with the balance beam, and the hydraulic cylinder and the hydraulic hoist to be detected are respectively connected with a hydraulic power system through corresponding pipelines. The hydraulic hoist is opened, the hydraulic hoist and the hydraulic cylinders are shared at the same time, the acting force of the hydraulic cylinders on the balance beam is adjusted, when the opening and closing force of the two groups of hydraulic hoists on the balance beam is greater than the pulling force of the hydraulic cylinders on the balance beam, the hydraulic hoist pushes the balance beam to slide on the guide rail, meanwhile, the piston rods of the hydraulic cylinders are pulled out, pressure oil of the hydraulic cylinders flows back into the hydraulic power system through corresponding pressure valves and pipelines, when the hydraulic hoist reaches the maximum lift, the balance beam is lifted to the top end, the direction of the acting force of the hydraulic hoist is changed, and the hydraulic hoist pulls the balance beam to move downwards; the acting force of the hydraulic oil cylinder on the balance beam is changed, so that the data such as the maximum load, the opening and closing speed and the like of the hydraulic hoist can be obtained, and the load test of the hydraulic hoist is realized.
For the radial gate, the hydraulic hoist can incline when opening and closing the gate, and the working performance of the hydraulic hoist in an inclined state needs to be detected under necessary conditions. The steel wire rope of electric block is connected with the floorbar of support frame bottom, start electric block, and wire rope tightens up and drives the support frame and rotates around the fixing base, when the support frame rotates to suitable angle, stops electric block, and the telescopic link is pulled out in the support frame and through pin and locking seat fixed connection, dismantles the wire rope, accomplishes the process of verting of support frame, repeats foretell hydraulic hoist detection test's step, can carry out the detection test to the hydraulic hoist under the tilt state.
In other embodiments, the locking device may also be a locking seat fixed on the ground, a connecting rod with a variable length is arranged on the locking seat, a clamping device is arranged at the corresponding end of the connecting rod, and the bottom beam of the support frame is locked by the clamping device, so that the support frame is locked; the connecting device can also be a hydraulic telescopic rod, the bottom of the hydraulic telescopic rod is fixedly connected with a hydraulic hoist mounting seat of the support frame, and the end part of the piston rod is provided with a base for fixing a hydraulic hoist; the balance beam can also be in a straight shape, and two ends and the middle section of the balance beam are respectively and correspondingly provided with a hydraulic hoist connecting structure and a hydraulic oil cylinder connecting structure.
Claims (10)
1. The utility model provides a hydraulic hoist test system which characterized in that: the hydraulic hoist connecting structure comprises a support frame for fixing a hydraulic hoist, a guide rail is arranged on the support frame, a balance beam is assembled on the guide rail in a sliding mode, hydraulic hoist connecting structures used for being connected with the hydraulic hoist are arranged at two ends of the balance beam, a hydraulic oil cylinder for applying acting force to the balance beam along the axial direction of the guide rail is further arranged on the support frame, and a hydraulic oil cylinder connecting structure used for being connected with the hydraulic oil cylinder is further arranged on the balance beam.
2. The hydraulic hoist test system of claim 1, wherein: the support frame is of a rectangular beam structure and comprises two main beams forming long edges, the two ends of each main beam are connected with the top beam through bottom beams respectively, and the hydraulic oil cylinders are arranged on the bottom beams.
3. The hydraulic hoist test system of claim 2, wherein: the middle section of support frame is equipped with two girder of connection and with girder vertically a supporting beam, the guide rail sets up between a supporting beam and back timber.
4. The hydraulic hoist test system of claim 2, wherein: the hydraulic hoist mounting seats are respectively arranged at two ends of the bottom beam, and hydraulic oil cylinder mounting seats are arranged at the intersection of the symmetry lines of the bottom beam and the two hydraulic hoist mounting seats.
5. The hydraulic hoist test system of claim 4, wherein: the hydraulic hoist mounting seat is provided with connecting devices with adjustable length, one ends of the connecting devices are connected with mounting holes in the hydraulic hoist mounting seat, and the corresponding other ends of the connecting devices are provided with bases for mounting the hydraulic hoist.
6. The hydraulic hoist test system of claim 5, wherein: the connecting device comprises at least two detachable connecting rods, and the two adjacent connecting rods are connected through a detachable connector.
7. The hydraulic hoist test system of claim 1, wherein: the hydraulic hoist testing system further comprises a fixing seat, the supporting frame is hinged to the fixing seat, and the hydraulic hoist testing system further comprises a locking device which keeps the rotating angle after the supporting frame rotates to a set angle.
8. The hydraulic hoist test system of claim 7, wherein: the hydraulic hoist test system further comprises a foundation pit, and the opening of the foundation pit of the fixing seat mounting seat is arranged at the position of the opening of the foundation pit.
9. The hydraulic hoist test system of claim 7, wherein: the locking device comprises a telescopic rod matched with a support frame in a guiding mode and a locking seat used for fixing the telescopic rod to lock the support frame, the telescopic rod is provided with two locking assemblies arranged at intervals, the locking assemblies respectively lock the two telescopic rods and comprise locking bottom plates and two locking vertical plates symmetrically arranged on the locking bottom plates, the symmetrical shafts of the two locking vertical plates are coplanar with the rotating plane of the telescopic rod, at least two mutually matched locking holes are formed in the two locking vertical plates at axial intervals, the end portion of the telescopic rod is provided with a matching hole matched with the locking hole, and a locking pin is inserted into the locking hole and the matching hole.
10. The hydraulic hoist test system of claim 9, wherein: the hydraulic hoist test system further comprises a steel structure platform, and a traction device used for drawing the support frame to rotate around the fixing seat is arranged on the steel structure platform.
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| CN202111673963.4A CN114216714A (en) | 2021-12-31 | 2021-12-31 | Hydraulic hoist test system |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050603U (en) * | 1989-03-16 | 1990-01-03 | 水电部郑州机械设计研究所 | Testing apparatus of headstock gear performance |
| JPH07247536A (en) * | 1994-03-09 | 1995-09-26 | Hanshin Doryoku Kikai Kk | Excessive load detection device of sluice gate door hoist |
| JPH10332563A (en) * | 1997-06-04 | 1998-12-18 | Shimadzu Corp | Two-axis load testing apparatus |
| KR20040052909A (en) * | 2004-05-15 | 2004-06-23 | 백수곤 | The Method and Device of the On-Line Performance Test of Snubber |
| US20070199387A1 (en) * | 2006-02-27 | 2007-08-30 | Asher Michael J | Test Stand |
| CN103234676A (en) * | 2013-04-27 | 2013-08-07 | 安徽水利开发股份有限公司 | Detection device for load and opening degree of winch hoist as well as detection method thereof |
| CN107989853A (en) * | 2017-11-10 | 2018-05-04 | 河海大学常州校区 | A kind of hydraulic headstock gear remote online detecting system and detection method |
| CN109540574A (en) * | 2019-01-18 | 2019-03-29 | 中国水利水电第三工程局有限公司 | A kind of large size door machine load test apparatus and method |
| CN110082079A (en) * | 2019-04-10 | 2019-08-02 | 河海大学 | Standing wire hydraulic steel gate hoisting capacity condition monitoring device |
| CN110259739A (en) * | 2019-06-28 | 2019-09-20 | 太原科技大学 | A kind of hydraulic control system for six lubricating pad hydrostatic support cylinder benchs |
| CN110346159A (en) * | 2019-06-18 | 2019-10-18 | 中国二十冶集团有限公司 | Hydraulic jacking equipment load test crossbeam and rolling-mill housing lift analogy method |
| CN111912463A (en) * | 2020-08-13 | 2020-11-10 | 郑州金闸测控技术有限公司 | Real-time online health state monitoring system for fixed winch hoist |
-
2021
- 2021-12-31 CN CN202111673963.4A patent/CN114216714A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050603U (en) * | 1989-03-16 | 1990-01-03 | 水电部郑州机械设计研究所 | Testing apparatus of headstock gear performance |
| JPH07247536A (en) * | 1994-03-09 | 1995-09-26 | Hanshin Doryoku Kikai Kk | Excessive load detection device of sluice gate door hoist |
| JPH10332563A (en) * | 1997-06-04 | 1998-12-18 | Shimadzu Corp | Two-axis load testing apparatus |
| KR20040052909A (en) * | 2004-05-15 | 2004-06-23 | 백수곤 | The Method and Device of the On-Line Performance Test of Snubber |
| US20070199387A1 (en) * | 2006-02-27 | 2007-08-30 | Asher Michael J | Test Stand |
| CN103234676A (en) * | 2013-04-27 | 2013-08-07 | 安徽水利开发股份有限公司 | Detection device for load and opening degree of winch hoist as well as detection method thereof |
| CN107989853A (en) * | 2017-11-10 | 2018-05-04 | 河海大学常州校区 | A kind of hydraulic headstock gear remote online detecting system and detection method |
| CN109540574A (en) * | 2019-01-18 | 2019-03-29 | 中国水利水电第三工程局有限公司 | A kind of large size door machine load test apparatus and method |
| CN110082079A (en) * | 2019-04-10 | 2019-08-02 | 河海大学 | Standing wire hydraulic steel gate hoisting capacity condition monitoring device |
| CN110346159A (en) * | 2019-06-18 | 2019-10-18 | 中国二十冶集团有限公司 | Hydraulic jacking equipment load test crossbeam and rolling-mill housing lift analogy method |
| CN110259739A (en) * | 2019-06-28 | 2019-09-20 | 太原科技大学 | A kind of hydraulic control system for six lubricating pad hydrostatic support cylinder benchs |
| CN111912463A (en) * | 2020-08-13 | 2020-11-10 | 郑州金闸测控技术有限公司 | Real-time online health state monitoring system for fixed winch hoist |
Non-Patent Citations (1)
| Title |
|---|
| 章好民 等: "水电站门式启闭机状态检测及安全评估", 起重运输机械, no. 02, 20 February 2009 (2009-02-20) * |
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