CN114166481A - Plug-in panel damping testing device - Google Patents

Plug-in panel damping testing device Download PDF

Info

Publication number
CN114166481A
CN114166481A CN202111314602.0A CN202111314602A CN114166481A CN 114166481 A CN114166481 A CN 114166481A CN 202111314602 A CN202111314602 A CN 202111314602A CN 114166481 A CN114166481 A CN 114166481A
Authority
CN
China
Prior art keywords
joint
electric cylinder
short supporting
rods
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111314602.0A
Other languages
Chinese (zh)
Other versions
CN114166481B (en
Inventor
黄金飞
楼才英
陆军
王殿卫
赵鑫泽
丁一航
季献波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Light Industrial Products Quality Inspection And Research Institute
Original Assignee
Zhejiang Light Industrial Products Quality Inspection And Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Light Industrial Products Quality Inspection And Research Institute filed Critical Zhejiang Light Industrial Products Quality Inspection And Research Institute
Priority to CN202111314602.0A priority Critical patent/CN114166481B/en
Publication of CN114166481A publication Critical patent/CN114166481A/en
Application granted granted Critical
Publication of CN114166481B publication Critical patent/CN114166481B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses an insertion type panel damping test device, which aims to solve the problems that the laboratory test cannot show the stress condition of a rock plate on the actual rock climbing site, the error of a measured value is large, and potential safety hazards exist.

Description

Plug-in panel damping testing device
Technical Field
The invention belongs to the field of test equipment, and particularly relates to an insertion type panel damping test device.
Background
At present, aiming at the damping test of the plug-in panel, the market mainly takes a laboratory test as a main part, and no field automatic test device is available. The laboratory test has many inevitable defects, and mainly comprises that the laboratory can only take part of samples to fix for testing, and the stress condition of the rock plate on the actual rock climbing field cannot be truly shown; in field measurement, only the bracket is erected, one end of the pulley device is connected with the lifting bolt on the panel, and the other end of the pulley device is hung with a heavy object to apply load, but only the maximum load can be measured, the load cannot be loaded at a certain speed according to standard requirements, the error of a measured value is large, and certain potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the problems that the laboratory test cannot show the stress condition of the rock plate on the actual rock climbing site, the error of the measured value is large, and the potential safety hazard exists.
The technical scheme of the invention is as follows: a plug-in panel damping testing device comprises a lifting frame, a frame supporting device and a tension testing device, wherein the frame supporting device is arranged above the lifting frame, the tension testing device is arranged in the frame supporting device, the lifting frame comprises trundles, an underframe, a chute a, a connecting rod, a pull rod, an electric push rod, a lifting platform, a stand seat and a chute b, the chute a is arranged on two sides above the underframe, the electric push rod is arranged in the middle of the underframe, 4 trundles are arranged at four corners of the bottom of the underframe, the chute b is arranged at the corresponding position of the bottom of the lifting platform, every two centers of the connecting rod are crossed and every two are connected end to form a shear type mechanism, one end of the upper part of the shear type mechanism is fixedly connected with the lifting platform, the other end of the upper part of the shear type mechanism is connected with the chute b at the bottom of the lifting platform, one end of the lower part of the shear type mechanism is fixedly connected with the underframe, the other end of the chute a of the underframe, the electric push rod is connected with the middle part of the scissor mechanism, the pull rod is arranged on the bottom frame, and the four corners of the top of the lifting platform are provided with upright post seats;
the frame supporting device comprises long supporting rods, an intermediate joint, a wall fixing seat, a cross axle right-handed joint, a left-handed sleeve, a cross axle left-handed joint, a tile-holding cross joint, short supporting rods and a tile-holding joint, wherein the two long supporting rods are connected through the intermediate joint to form the connecting rods, the two connecting rods are arranged in parallel, two mutually parallel short supporting rods are horizontally arranged between the two vertical connecting rods, two parallel longitudinal short supporting rods are upwards arranged on the left short supporting rod, the tops of the two longitudinal short supporting rods are respectively connected with one oblique short supporting rod, the other ends of the two oblique short supporting rods are connected to the right short supporting rod to form a triangular frame, each of the two connecting rods is downwards provided with two connecting rods for connecting upright post seats arranged at four corners of the top of the lifting platform, each of the two longitudinal short supporting rods is respectively provided with one tile-holding cross joint up and down, one end of each of the left rotating sleeve and the right rotating sleeve is provided with a cross shaft right-handed connector, the other end of each of the left rotating sleeve and the right rotating sleeve is provided with a cross shaft left-handed connector, the left rotating sleeve and the right rotating sleeve are connected with the tile-holding cross connectors on the two longitudinal short supporting rods through the cross shaft left-handed connectors, the left rotating sleeve and the right rotating sleeve are connected with the wall surface fixing seat through the cross shaft right-handed connectors, the connecting rods are connected through the tile-holding connectors, the long supporting rods are connected with the short supporting rods through the tile-holding connectors, and the short supporting rods are connected with the short supporting rods through the tile-holding cross connectors;
the tension testing device comprises an electric cylinder fixing plate, an electric cylinder fixing lug seat, a servo motor, an electric cylinder front lug, a lug connecting frame, a force value sensor and a lifting screw, wherein the electric cylinder is arranged on the electric cylinder fixing plate, the rear end of the electric cylinder is connected with the servo motor, the electric cylinder fixing lug seat is arranged behind the servo motor, the electric cylinder front lug is arranged at the front end of the electric cylinder, the electric cylinder front lug is connected with the force value sensor through the lug connecting frame, and the force value sensor is connected with the lifting screw; the bottom of the electric cylinder fixing plate is connected with two short supporting rods which are horizontally arranged.
The lifting range of the lifting frame is 0-2 m.
The long supporting rod, the middle joint, the left and right rotary sleeves and the short supporting rod are all made of aluminum alloy.
And a brake device is arranged on the caster wheel.
The invention has the advantages that:
the invention reasonably and effectively connects the control system, the lifting frame, the rack supporting device and the tension testing device, realizes systematic and automatic control of the testing device, is convenient and safe to operate, can realize field or laboratory testing, and has wide application range.
The utility model provides an inserted panel damping testing arrangement, this experimental apparatus can realize automation mechanized operation through the structure, remote control, test have uniformity and repeatability. The insertion type panel damping test in a laboratory can be realized when the tension testing device is installed in the laboratory. When the tension testing device is fixed on the rack and integrally moved to the site, the inserted panel damping test can be carried out on site, the remote monitoring operation is realized, the operation is simple and safe, the personnel operation is completely carried out in a safe area which is 4-5 meters away, and the injury of workers due to the field operation errors can be avoided.
Drawings
FIG. 1 is an isometric view of the invention in its entirety.
Figure 2 is an isometric view of the crane of the present invention.
Figure 3 is an isometric view of the inventive frame support.
Fig. 4 is an isometric view of the inventive tensile testing apparatus.
Fig. 5 is an exploded view of the tension testing apparatus of the present invention.
Fig. 6 is an exploded view of the stand support apparatus of the present invention.
Figure 7 is a schematic view of the eye screw attachment test rock plate of the present invention.
Description of reference numerals: the brake device comprises a caster-1 with a brake, an underframe-2, a sliding chute a-3, a connecting rod-4, a pull rod-5, an electric push rod-6, a lifting platform-7, a stand seat-8, a long supporting rod-9, a middle joint-10, a wall surface fixing seat-11, a cross shaft right-handed joint-12, a left-handed sleeve-13, a cross shaft left-handed joint-14, a tile holding cross joint-15, a short supporting rod-16, a tile holding joint-17, an electric cylinder fixing plate-18, an electric cylinder fixing lug seat-19, a servo motor-20, an electric cylinder-21, an electric cylinder front lug-22, a lug connecting frame-23, a force value sensor-24, a lifting ring screw-25 and a sliding chute b-26.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples of the present invention without any inventive step, are within the scope of the present invention.
The technical scheme of the invention is explained in detail in the following with the accompanying drawings.
As shown in fig. 1-4: an insertion type panel damping test device comprises a lifting frame, a frame supporting device and a tension test device, wherein the frame supporting device is arranged above the lifting frame, the tension test device is arranged in the frame supporting device,
the lifting frame comprises a caster 1, a bottom frame 2, a chute a3, a connecting rod 4, a pull rod 5, an electric push rod 6, a lifting platform 7, a stand column seat 8 and a chute b26, the two sides above the bottom frame 2 are provided with sliding grooves a3, the middle part of the bottom frame 2 is provided with an electric push rod 6, four corners of the bottom of the underframe 2 are provided with 4 trundles 1, the bottom of the lifting platform 7 is provided with a sliding groove b26 corresponding to the corresponding position of the underframe 2, the connecting rods 4 are crossed in centers and connected end to form a scissor mechanism, one end of the upper part of the scissor mechanism is fixedly connected with the lifting platform 7, the other end of the scissor mechanism is connected with a sliding groove b26 at the bottom of the lifting platform 7, one end of the lower part of the scissor mechanism is fixedly connected with the chassis 2, the other end is connected with a chute a3 of the chassis 2, the electric push rod 6 is connected with the middle part of the scissor mechanism, the bottom frame 2 is provided with a pull rod 5, and four corners of the top of the lifting platform 7 are provided with upright post seats 8;
the frame supporting device comprises long supporting rods 9, an intermediate joint 10, a wall fixing seat 11, a cross right-handed joint 12, a left-handed sleeve 13, a cross left-handed joint 14, a tile holding cross joint 15, short supporting rods 16 and a tile holding joint 17, wherein the two long supporting rods 9 are connected through the intermediate joint 10 to form connecting rods, the two connecting rods are arranged in parallel, two parallel short supporting rods 16 are horizontally arranged between the two vertical connecting rods, two parallel longitudinal short supporting rods 16 are upwards arranged on the left short supporting rod 16, the tops of the two longitudinal short supporting rods 16 are respectively connected with one oblique short supporting rod 16, the other ends of the two oblique short supporting rods 16 are connected to the right short supporting rod 16 to form a triangular frame, each connecting rod is downwards provided with two connecting rods for connecting the upright post seats 8 arranged at the four corners of the top of the lifting platform 7, each of the two longitudinal short supporting rods 16 is provided with a tile holding cross joint 15 from top to bottom, one end of each of the left and right rotary sleeves 13 is provided with a cross shaft right-handed joint 12, the other end of each of the left and right rotary sleeves 13 is provided with a cross shaft left-handed joint 14, the left and right rotary sleeves 13 are connected with the tile holding cross joints 15 on the two longitudinal short supporting rods 16 through the cross shaft left-handed joints 14, the left and right rotary sleeves 13 are connected with the wall surface fixing seats 11 through the cross shaft right-handed joints 12, the connecting rods are connected through the tile holding joints 17, the long supporting rod 9 is connected with the short supporting rods 16 through the tile holding joints 17, and the short supporting rods 16 of the short supporting rods 16 are connected through the tile holding cross joints 15;
the tension testing device comprises an electric cylinder fixing plate 18, an electric cylinder fixing lug seat 19, a servo motor 20, an electric cylinder 21, an electric cylinder front lug 22, a lug connecting frame 23, a force value sensor 24 and a lifting ring screw 25, wherein the electric cylinder fixing plate 18 is provided with the electric cylinder 21, the rear end of the electric cylinder 21 is connected with the servo motor 20, the electric cylinder fixing lug seat 19 is arranged behind the servo motor 20, the electric cylinder front lug 22 is arranged at the front end of the electric cylinder 21, the electric cylinder front lug 22 is connected with the force value sensor 24 through the lug connecting frame 23, and the force value sensor 24 is connected with the lifting ring screw 25; the bottom of the electric cylinder fixing plate 18 is connected with two short supporting rods 16 which are horizontally arranged.
The lifting range of the lifting frame is 0-2 m.
The long support rod 9, the middle joint 10, the left and right rotary sleeves 13 and the short support rod 16 are all made of aluminum alloy.
And a brake device is arranged on the caster 1.
All components of the rack supporting device comprise a long supporting rod 9, an intermediate joint 10, a wall surface fixing seat 11, a cross shaft right-handed joint 12, a left-handed sleeve 13, a right-handed sleeve 13, a cross shaft left-handed joint 14, a tile holding cross joint 15, a short supporting rod 16 and a tile holding joint 17 which are all detachable, and the rack supporting device is convenient to carry and assemble.
All components of the tension testing device, namely the electric cylinder fixing plate 18, the electric cylinder fixing lug seat 19, the servo motor 20, the electric cylinder 21, the electric cylinder front lug 22, the lug connecting frame 23, the force value sensor 24 and the lifting bolt 25 are detachable, and the carrying and the assembling are convenient.
The lifting frame is characterized in that an electric push rod 6 on the underframe 2 is controlled by a button, a lifting platform 7 is vertically lifted by a scissor mechanism, after the lifting platform is completely folded, the lifting platform can be dragged to a position to be moved by a pull rod 5, the button is loosened after the lifting platform is lifted to a desired height, and a brake device on a caster 1 is pressed to fix the position of the platform.
As shown in figure 7, the front end of a lifting bolt 25 is connected with a panel, an electric cylinder 21 connected with the rear end of the lifting bolt 25 is controlled by a servo motor 20, a tension value is measured by a force value sensor 24 connected with the rear side of the lifting bolt 25, the whole testing process is controlled by an external control system, the control system comprises an electric control system PLC, the electric cylinder is loaded at a certain speed through program calculation, and then the tension value is fed back by a force value sensor 24.
When in use:
1. checking before starting up: the inspection crane, the frame strutting arrangement, whether tensile test device is fixed on operating position, at first equipment frame strutting arrangement, connect by two long bracing pieces 9 and intermediate head 10 and form the connecting rod, the connecting rod is screwed fixedly to the stand seat 8 on lift platform 7, fix tensile test device through short bracing piece 16, secondly look for a rock point earlier with bolt fastening on the rock plate nearby wall fixing base 11 earlier, 13 both ends of cover 13 are connected cross dextrorotation joint 12 and cross levogyration and are connected 14 about the reuse, the cover 13 makes the frame strutting arrangement position just about four adjustments. Finally, the front end of the lifting bolt 25 is connected with the panel, and the rear end of the lifting bolt 25 is connected with the force value sensor 24 and the electric cylinder 21. Checking whether a cable connector of the equipment is inserted or not and whether a power supply is normal or not;
2. starting a power supply, and setting required experiment parameters through an external control system;
3. plug-in panel damping test procedure:
a) loading the test sample to (7.2 ± 0.05) kN at a rate of (20 ± 2) mm/min;
b) the load was held for 30 seconds;
c) (iii) decreasing to (1.2 ± 0.05) kN, measuring the deformation of the test sample;
d) keeping the kN load of (1.2 +/-0.05) for 30 s;
e) the test samples were loaded to (12. + -. 0.05) kN at a rate of (20. + -.2) mm/min.
Setting parameters according to standard test requirements; the whole testing process is controlled by a program of a control system, the servo motor 20 feeds back signals through the force value sensor 24, and the forward rotation or the reverse rotation of the servo motor 20 is controlled by the process sequence to meet the testing requirements.
4. Clicking a test starting button to automatically perform a test; monitoring in real time through a camera mounted on a frame supporting device, and observing the deformation condition of the rock plate in the testing process;
5. after the experiment is finished, the system is withdrawn, the power supply is turned off, the main lock between the lifting ring screw 25 and the lifting ring screw 25 on the panel is loosened, and the connection is released; then the screws on the four wall surface fixing seats 11 on the frame supporting device are detached, so that the wall surface fixing seats 11 are separated from the rock plate, and then the lifting platform 7 is lowered to the lowest position by using a lifting button;
6. and as shown in fig. 5-6, finally disassembling the rack supporting device and the tension testing device, wherein the assembly process is opposite in the specific disassembling process, and all single pieces are disassembled according to the state before assembly and are respectively placed in the draw-bar box for convenient transportation.
The rock plate inserted panel damping test is an important index for safety detection of rock climbing facilities in a rock climbing venue. At present, most domestic detection can be carried out only in a laboratory, actual field use conditions of a venue cannot be reflected, and experimental data cannot completely reflect real testing requirements. The invention just fills the blank of the testing field in China, can better ensure the facility safety requirements of the rock climbing stadium, and provides more comprehensive safety guarantee for each rock climbing sportsman.

Claims (4)

1. The utility model provides a bayonet panel damping testing arrangement, includes crane, frame strutting arrangement, tension testing device, the crane top is equipped with frame strutting arrangement, is equipped with tension testing device, its characterized in that in the frame strutting arrangement:
the lifting frame comprises trundles (1), an underframe (2), sliding grooves a (3), connecting rods (4), pull rods (5), electric push rods (6), a lifting platform (7), a column base (8) and sliding grooves b (26), wherein the sliding grooves a (3) are arranged on two sides above the underframe (2), the electric push rods (6) are arranged in the middle of the underframe (2), 4 trundles (1) are arranged at four corners of the bottom of the underframe (2), the sliding grooves b (26) are arranged at corresponding positions of the bottom of the lifting platform (7) corresponding to the underframe (2), every two centers of the connecting rods (4) are crossed and connected end to form a shear type mechanism, one end of the upper part of the shear type mechanism is fixedly connected with the lifting platform (7), the other end of the upper part of the shear type mechanism is connected with the sliding grooves b (26) at the bottom of the lifting platform (7), one end of the lower part of the shear type mechanism is fixedly connected with the underframe (2), the other end of the sliding grooves a (3) of the underframe (2) are connected with the lifting platform, the electric push rod (6) is connected with the middle part of the scissor mechanism, the bottom frame (2) is provided with a pull rod (5), and four corners of the top of the lifting platform (7) are provided with upright bases (8);
the frame supporting device comprises a long supporting rod (9), an intermediate joint (10), a wall surface fixing seat (11), a cross right-handed joint (12), a left-handed sleeve and a right-handed sleeve (13), a cross left-handed joint (14), a tile holding cross joint (15), short supporting rods (16) and a tile holding joint (17), wherein the two long supporting rods (9) are connected through the intermediate joint (10) to form a connecting rod, the two connecting rods are arranged in parallel, the two parallel short supporting rods (16) are horizontally arranged between the two vertical connecting rods, the two parallel longitudinal short supporting rods (16) are upwards arranged on the left short supporting rod (16), the tops of the two longitudinal short supporting rods (16) are respectively connected with one oblique short supporting rod (16), the other ends of the two oblique short supporting rods (16) are connected to the short supporting rod (16) on the right side to form a triangular frame, and each connecting rod is downwards provided with two connecting rods, upright post seats (8) arranged at four corners of the top of the lifting platform (7) and used for connecting, a holding cross joint (15) is respectively arranged at the upper part and the lower part of each of the two longitudinal short supporting rods (16), one end of the left-right rotating sleeve (13) is provided with a cross shaft right-rotating joint (12), the other end is provided with a cross shaft left-rotating joint (14), the left-right rotary sleeve (13) is connected with a holding tile cross joint (15) on two longitudinal short supporting rods (16) through a cross shaft left-hand joint (14), the left and right rotary sleeves (13) are connected with a wall surface fixing seat (11) through a cross shaft right-handed connector (12), the connecting rods are connected through a tile-holding joint (17), the long supporting rod (9) is connected with the short supporting rod (16) through the tile-holding joint (17), the short supporting rod (16) is connected with the short supporting rod (16) through a tile holding cross joint (15);
the tension testing device comprises an electric cylinder fixing plate (18), an electric cylinder fixing lug seat (19), a servo motor (20), an electric cylinder (21), an electric cylinder front lug ring (22), a lug ring connecting frame (23), a force value sensor (24) and a lifting screw (25), wherein the electric cylinder fixing plate (18) is provided with the electric cylinder (21), the rear end of the electric cylinder (21) is connected with the servo motor (20), the electric cylinder fixing lug seat (19) is arranged behind the servo motor (20), the front end of the electric cylinder (21) is provided with the electric cylinder front lug ring (22), the electric cylinder front lug ring (22) is connected with the force value sensor (24) through the lug ring connecting frame (23), and the force value sensor (24) is connected with the lifting screw (25); the bottom of the electric cylinder fixing plate (18) is connected with two short supporting rods (16) which are horizontally arranged.
2. An inserted panel damping test device according to claim 1, wherein: the lifting range of the lifting frame is 0-2 m.
3. An inserted panel damping test device according to claim 1, wherein: the long supporting rod (9), the middle joint (10), the left and right rotary sleeves (13) and the short supporting rod (16) are all made of aluminum alloy.
4. An inserted panel damping test device according to claim 1, wherein: and a brake device is arranged on the caster wheel (1).
CN202111314602.0A 2021-11-08 2021-11-08 Inserted panel damping testing device Active CN114166481B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111314602.0A CN114166481B (en) 2021-11-08 2021-11-08 Inserted panel damping testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111314602.0A CN114166481B (en) 2021-11-08 2021-11-08 Inserted panel damping testing device

Publications (2)

Publication Number Publication Date
CN114166481A true CN114166481A (en) 2022-03-11
CN114166481B CN114166481B (en) 2023-08-22

Family

ID=80478212

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111314602.0A Active CN114166481B (en) 2021-11-08 2021-11-08 Inserted panel damping testing device

Country Status (1)

Country Link
CN (1) CN114166481B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004018303B3 (en) * 2004-04-15 2005-11-03 Maha Maschinenbau Haldenwang Gmbh & Co. Kg Test bed for goods vehicles has stable guide and supporting rails arranged in side walls of pit and bridge mounted on these rails and able to be moved along by motor
KR101283432B1 (en) * 2012-11-27 2013-07-08 민선미 The travelling worktable for test repair reparailroad cars
DE102013111169A1 (en) * 2013-10-09 2015-04-09 Zwick Gmbh & Co. Kg test cylinder
CN204269474U (en) * 2014-11-18 2015-04-15 湖南千山制药机械股份有限公司 Device for testing tensile force
CN204330362U (en) * 2015-01-09 2015-05-13 中国石油大学(华东) A kind of wire-control steering test platform damping analogue means
CN208022635U (en) * 2018-01-26 2018-10-30 深圳供电局有限公司 A kind of mobile repairing lifting platform of electric locomotive
CN110823680A (en) * 2019-12-12 2020-02-21 宁波吉翔电力机具制造有限公司 Tensile testing machine and control method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004018303B3 (en) * 2004-04-15 2005-11-03 Maha Maschinenbau Haldenwang Gmbh & Co. Kg Test bed for goods vehicles has stable guide and supporting rails arranged in side walls of pit and bridge mounted on these rails and able to be moved along by motor
KR101283432B1 (en) * 2012-11-27 2013-07-08 민선미 The travelling worktable for test repair reparailroad cars
DE102013111169A1 (en) * 2013-10-09 2015-04-09 Zwick Gmbh & Co. Kg test cylinder
CN204269474U (en) * 2014-11-18 2015-04-15 湖南千山制药机械股份有限公司 Device for testing tensile force
CN204330362U (en) * 2015-01-09 2015-05-13 中国石油大学(华东) A kind of wire-control steering test platform damping analogue means
CN208022635U (en) * 2018-01-26 2018-10-30 深圳供电局有限公司 A kind of mobile repairing lifting platform of electric locomotive
CN110823680A (en) * 2019-12-12 2020-02-21 宁波吉翔电力机具制造有限公司 Tensile testing machine and control method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
上官文斌;魏玉明;赵旭;冯骁;李耀龙: "硅油减振器阻尼测试试验台的组成与力学模型", 内燃机学报, vol. 32, no. 6 *

Also Published As

Publication number Publication date
CN114166481B (en) 2023-08-22

Similar Documents

Publication Publication Date Title
CN209298594U (en) A kind of power distribution cabinet easy for removal and installation
CN112577666A (en) Verification and calibration device and method for torque wrench verification instrument
CN114166481A (en) Plug-in panel damping testing device
CN210571326U (en) Push-pull force testing system for shaft parts
CN217331619U (en) Aeroengine ground test bench
CN116773663A (en) Ultrasonic technology crack detection system for concrete
CN213455203U (en) Repeated positioning precision detection device for mobile robot
CN116698130B (en) Device and method for detecting threads and torque
CN205637533U (en) A quick scaffold frame for inspection of mixed -flow runner
CN219777324U (en) Detecting system of container strength test bed
CN214360050U (en) Shelter leveling and lifting mechanism
CN216645240U (en) Bulge deformation size measuring instrument for pressure-bearing special equipment
CN114002055B (en) Height-adjustable horizontal impact test device
CN210243405U (en) Circulating loading test machine for electromechanical anti-seismic support system of building
CN112033894B (en) Interface debonding detection test device based on FBG optical fiber sensing
CN216816559U (en) Building quality detection device
CN207570792U (en) A kind of multifunctional storage battery intensity detecting device
CN219434493U (en) Spare part check out test set
CN220104250U (en) Gas flow meter detection equipment for calibration
CN215949131U (en) Pit operation integrated device
CN220650074U (en) Performance test bench for water heater
CN220537396U (en) Automatic docking device for hydrogen fuel system and test bench
CN219957135U (en) Automatic quick change anchor clamps tray pulling force detection device
CN220182710U (en) Maintenance lifting platform
CN215004711U (en) Automatic lifting scaffold device for static load test

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant