CN104743371B - A kind of tippler clamping weighing device - Google Patents
A kind of tippler clamping weighing device Download PDFInfo
- Publication number
- CN104743371B CN104743371B CN201510194746.5A CN201510194746A CN104743371B CN 104743371 B CN104743371 B CN 104743371B CN 201510194746 A CN201510194746 A CN 201510194746A CN 104743371 B CN104743371 B CN 104743371B
- Authority
- CN
- China
- Prior art keywords
- platform
- tippler
- clamping
- longitudinal
- clamping plate
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/24—Unloading land vehicles
- B65G67/32—Unloading land vehicles using fixed tipping installations
- B65G67/48—Vehicle tipplers
- B65G67/54—Vehicle-locking means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/24—Unloading land vehicles
- B65G67/32—Unloading land vehicles using fixed tipping installations
- B65G67/48—Vehicle tipplers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/04—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of tippler is arranged on tippler and entered on the railroad track at car end with weighing device, weighing device is clamped, and weighing device includes platform, pressure sensor, clamping device, horizontal take-up device and longitudinal take-up device；Walking rails are placed on the track girder of platform, and pressure sensor is arranged on below platform between the buttress in foundation ditch；Clamping device is arranged on platform one end, and horizontal take-up device includes two groups of tensioning mechanisms, and every group of tensioning mechanism includes thread, base and adjusting nut, floor installation above the buttress in foundation ditch on；One end of thread is connected with base, and the other end is hinged on two track girders on platform；Longitudinal take-up device has to be arranged symmetrically with horizontal take-up device identical structure, two groups of longitudinal tensioning mechanisms in track girder both sides.Beneficial effect is：More piece positioning weighing function is realized, running efficiency is improved, investment is reduced；Compact conformation, lightweight, cost is low, easy to maintenance；Accurate positioning, automatization level is high.
Description
Technical field
The invention belongs to railway locomotive weighing device field, more particularly to static weighing.
Background technology
The railway tippler of prior art is generally static state railroad track scale with static weighing device, and static state railroad track scale is located at tippler
Lower section.Weighing method is that after open-top car enters tippler, static state railroad track scale to tippler and loaded vehicle claim gross weight and by parameter
It is transferred in data processing instrument, data processing instrument and has prestored tippler and curb weight, static state railroad track scale transmission comes
Alleged gross weight with having prestored tippler in data processing instrument and curb weight the difference between the two is to be turned in open-top car
Unload weight of material.This static state railroad track scale the deficiencies in the prior art are：
1st, static state railroad track scale is arranged on below tippler, causes the increase of tippler foundation depth, cost of investment increase；It is static
Track scale is arranged on tippler and enters car end, because open-top car length differs, and clip wheel device is unable to good match with static state railroad track scale；
2nd, car end is entered because clip wheel device is arranged on tippler；Car puller traction permutation car is positioned at clip wheel device, and to band
The permutation car of dumping is clamped；Static state railroad track scale is such as arranged on ground, clip wheel device can only be placed on static state railroad track scale front end,
A section loaded vehicle to be weighed is placed on static state railroad track scale, because the model of open-top car is different, length difference is larger, maximum length difference
2m, therefore car puller, when drawing the permutation car above static state railroad track scale, position is not fixed, and causes to pick up difficulty, chain tippler
Dumping influences whole efficiency；
Therefore, the problem of tippler enters at car end clip wheel and weighed is solved, is this area technical problem urgently to be resolved hurrily.
The content of the invention
The purpose of the present invention is that a kind of tippler of exploitation clamps weighing device, solves the deficiencies in the prior art.
The technical scheme is that：A kind of tippler is arranged on tippler and is entered car with weighing device, weighing device is clamped
On the railroad track at end, open-top car enters tippler dumping after weighing device is weighed, it is characterised in that：The weighing device bag
Include platform, pressure sensor, clamping device, horizontal take-up device and longitudinal take-up device；The platform is steel structure platform, is put down
The walking rails of truck are provided with above platform, walking rails are placed on the track girder of platform, and platform divides into foundation ditch；The pressure
Sensor is connected by signal wire with data processing instrument, pressure sensor be arranged on platform below with the buttress in foundation ditch it
Between；The clamping device includes clamp system and power source, and clamp system is connected with power source, and clamping device is arranged on before platform
End, the clamp system of clamping device is located at truck wheel；The horizontal take-up device includes two groups of tensioning mechanisms, every group
Tensioning mechanism includes thread, base and adjusting nut, and the base is vertically fixed on bottom plate by riser and constituted, riser and
Supporting plate is further fixed on bottom plate, two sides of supporting plate are fixedly connected with riser and bottom plate respectively, in the riser top of base
Meta installs the hole being engaged with thread, and the bottom plate of base is arranged on above the buttress in foundation ditch；The screw thread is drawn
Bar is threaded rod, and one end of thread passes the hole on base riser top；The adjusting nut is passed installed in thread
On the threaded rod of riser upper hole, two groups of tensioning mechanisms are arranged symmetrically, the other end difference of the thread of every group of tensioning mechanism
It is hinged on two track girders on platform, platform is tensed on the buttress in foundation ditch；Longitudinal take-up device includes two
Group tensioning mechanism, every group of tensioning mechanism has the tensioning mechanism identical structure with horizontal take-up device, every group of tensioning mechanism bag
Longitudinal screw pull bar, longitudinal base and longitudinally adjusted nut are included, the bottom plate of longitudinal base is arranged on the side side of track girder；Longitudinal direction
One end of thread passes the hole on longitudinal base riser top；Longitudinally adjusted nut passes riser installed in longitudinal screw pull bar
On the longitudinal screw bar of upper hole, two groups of tensioning mechanisms are arranged symmetrically in track girder both sides, the screw thread of every group of longitudinal tensioning mechanism
The other end of pull bar is respectively hinged on the buttress in foundation ditch, platform is tensed on the buttress in foundation ditch.
A kind of tippler of the present invention clamping weighing device, it is characterised in that：The horizontal take-up device and longitudinal direction
Take-up device is two or more, is evenly arranged along track girder.
A kind of tippler of the present invention clamping weighing device, it is characterised in that：The clamping structure of the clamping device
Including clamping plate one, clamping plate two, executive component, hinge one and hinge two, the clamping plate one and clamping plate two are to be symmetrically installed for a pair
Strip member, the middle part of strip member is provided with hinge hole, and the upper end of strip member is provided with chuck；The executive component is reciprocal fortune
Dynamic component, reciprocating member is arranged on platform, and reciprocating member is connected with power source；Hinge one and hinge two lead to respectively
Clamping plate one and clamping plate two are hinged on platform by the hinge hole for crossing clamping plate one and the middle part of clamping plate two, clamping plate one and the upper end of clamping plate two folder
Head is clamping wheel end, and the lower end of clamping plate one is hinged on reciprocating member fixing end, and the lower end of clamping plate two is hinged on reciprocating motion structure
Part moves end.
A kind of tippler of the present invention clamping weighing device, it is characterised in that：The reciprocating member is hydraulic pressure
Cylinder or Electrohydraulic push rod.
A kind of tippler of the present invention clamping weighing device, it is characterised in that：The reciprocating member is hydraulic pressure
During cylinder, power source is hydraulic station；When reciprocating member is Electrohydraulic push rod, power source is power supply.
A kind of tippler of the present invention clamping weighing device, it is characterised in that：The clamp system of the clamping device
It is the clamp system of the railway tippler clip wheel device using lever fastening.
When the longitudinal take-up device of setting is moved for balancing open-top car on platform on platform main support truck, platform
The longitudinal impact force of generation, influences effect of weighing；Horizontal take-up device is set on platform, for balancing when open-top car enters platform
The cross force of generation, influences the effect of weighing of sensor；It is hinged between horizontal take-up device and longitudinal take-up device and buttress, no
The active force up and down of platform is limited, effect of weighing is not influenceed；Clamping device is used for clamping wheel or unclamps wheel, realize it is fixed or
Unclamp open-top car.
The beneficial effects of the invention are as follows：
(1) more piece positioning weighing function is realized, truck running efficiency is improved, investment is reduced；
(2) collect positioning, weigh, clamp a variety of functions in an equipment, compact conformation is lightweight, and cost is low, easy to maintenance；
(3) accurate positioning, automatization level is high.
Brief description of the drawings
Accompanying drawing 1 is the tippler clamping weighing device front view of the present invention；
Accompanying drawing 2 is the tippler clamping weighing device top view of the present invention；
Accompanying drawing 3 is Fig. 2 B-B sectional views；
Accompanying drawing 4 is Fig. 2 C-C sectional views.
In figure：1st, platform, 2, pressure sensor, 3, maintenance jack, 4, clamping device, 4.1, clamping plate one, 4.2, clamping plate
Two, 4.3, executive component, 4.4, hinge one, 4.5, hinge two, 5, walking rails, 6, power station, 7, horizontal take-up device, 7.1,
Thread, 7.2, base, 7.3, adjusting nut, 8, longitudinal take-up device, 9, pipeline.
Embodiment
Below in conjunction with drawings and examples, the invention will be further described.
Embodiment is that the tippler with four horizontal take-up devices 7 and four longitudinal take-up devices 8 is weighed dress with clamping
Put.As shown in drawings.
Tippler is arranged on tippler with clamping weighing device and entered on the railroad track at car end, and open-top car first passes through weighing device
After enter back into tippler dumping, weighing device includes platform 1, pressure sensor 2, clamping device 4, horizontal take-up device 7 and vertical
To take-up device 8；Platform 1 is steel construction integral platform, and platform 1 is provided with the walking rails 5 of truck, walking rails 5 above
On the track girder for being placed in platform 1, platform 1 divides into foundation ditch；Pressure sensor 2 is connected by signal wire with data processing instrument, pressure
Force snesor is arranged on below platform 1 between the buttress in foundation ditch, is additionally provided between the buttress below platform 1 and in foundation ditch
Repair jack 3；Clamping device 4 includes clamp system and power source, and clamp system is connected with power source, and clamping device 4 is installed
In the front end of platform 1, the clamp system of clamping device 4 is located at truck wheel, and the clamping structure of clamping device 4 includes clamping plate
One 4.1, clamping plate 2 4.2, executive component 4.3, hinge 1 and hinge 2 4.5, the clamping plate 1 and clamping plate 2 4.2 are one
To the strip member being symmetrically installed, the middle part of strip member is provided with hinge hole, and the upper end of strip member is provided with chuck；It is described to perform
Element 4.3 is reciprocating member, and reciprocating member is installed on the platform 1, and reciprocating member is connected with power source, back and forth
Moving link is hydraulic cylinder, and power source is hydraulic station；Hinge 1 and hinge 2 4.5 pass through clamping plate 1 and clamping plate two respectively
Clamping plate 1 and clamping plate 2 4.2 are hinged on the platform 1 by the hinge hole at 4.2 middle parts, clamping plate 1 and the upper end of clamping plate 2 4.2 folder
Head is clamping wheel end, and the lower end of clamping plate 1, which is hinged, holds reciprocating member fixing end, and the lower end of clamping plate two is hinged on reciprocating motion
Component moves end；Horizontal take-up device 7 includes two groups of tensioning mechanisms, and every group of tensioning mechanism includes thread 7.1, base
7.2 and adjusting nut 7.3, base 7.2 is vertically fixed on bottom plate by riser and constituted, and support is further fixed on riser and bottom plate
Plate, two sides of supporting plate are fixedly connected with riser and bottom plate respectively, and the riser upper middle position of base 7.2 is provided with and screw thread
The hole that pull bar 7.1 is engaged, the bottom plate of base 7.2 is arranged on above the buttress in foundation ditch；Thread 7.1 is threaded rod,
One end of thread 7.1 passes the hole on the riser top of base 7.2；Adjusting nut 7.3 passes riser installed in thread 7.1
On the threaded rod of upper hole, two groups of tensioning mechanisms are arranged symmetrically, and the other end of the thread 7.1 of every group of tensioning mechanism is cut with scissors respectively
Connect on two track girders on the platform 1, platform 1 is tensed on the buttress in foundation ditch, four horizontal take-up devices 7 are arranged in
At the two ends of two track girders of platform；Longitudinal take-up device 8 includes two groups of tensioning mechanisms, and every group of tensioning mechanism has and transverse direction
The tensioning mechanism identical structure of take-up device 7, every group of tensioning mechanism includes longitudinal screw pull bar, longitudinal base and longitudinally adjusted
Nut, the bottom plate of longitudinal base is arranged on the side side of track girder；One end of longitudinal screw pull bar is passed on longitudinal base riser
The hole in portion；Longitudinally adjusted nut is passed on the longitudinal screw bar of riser upper hole installed in longitudinal screw pull bar, two groups of fasteners
Structure is arranged symmetrically in track girder both sides, and the other end of the thread of every group of longitudinal tensioning mechanism is respectively hinged at the branch in foundation ditch
On pier, platform 1 is tensed on the buttress in foundation ditch, four longitudinal take-up devices 8 are arranged in the two of two track girders of platform
At end.
Another embodiment is that the executive component 4.3 of clamping device 4 is set into Electrohydraulic push rod, Electrohydraulic push rod two ends respectively with folder
Plate 1 and the lower end of clamping plate 2 4.2 are hinged, and Electrohydraulic push rod is connected with power supply, and clamp system is provided with press detection sensor.
Claims (6)
1. a kind of tippler is arranged on tippler and entered on the railroad track at car end with weighing device, weighing device is clamped, open-top car is first
Tippler dumping is entered back into after weighing device, it is characterised in that：The weighing device includes platform (1), pressure sensor
(2), clamping device (4), horizontal take-up device (7) and longitudinal take-up device (8)；The platform (1) is steel structure platform, platform
(1) walking rails (5) of truck are provided with above, and walking rails (5) are placed on the track girder of platform (1), and platform (1) is divided into
Foundation ditch；The pressure sensor (2) is connected by signal wire with data processing instrument, and pressure sensor is arranged under platform (1)
Between buttress in face and foundation ditch；The clamping device (4) includes clamp system and power source, clamp system and power source phase
Even, clamping device (4) is arranged on platform (1) front end, and the clamp system of clamping device (4) is located at truck wheel；It is described
Horizontal take-up device (7) includes two groups of tensioning mechanisms, and every group of tensioning mechanism includes thread (7.1), base (7.2) and adjustment
Nut (7.3), the base (7.2) is vertically fixed on bottom plate by riser to be constituted, and supporting plate is further fixed on riser and bottom plate,
Two sides of supporting plate are fixedly connected with riser and bottom plate respectively, and the riser upper middle position of base (7.2) is provided with and screw thread
The hole that pull bar (7.1) is engaged, the bottom plate of base (7.2) is arranged on above the buttress in foundation ditch；The thread (7.1)
It is threaded rod, one end of thread (7.1) passes the hole on base (7.2) riser top；The adjusting nut (7.3) is arranged on
Thread (7.1) is passed on the threaded rod of riser upper hole, and two groups of tensioning mechanisms are arranged symmetrically, the screw thread of every group of tensioning mechanism
The other end of pull bar (7.1) is respectively hinged on two track girders on platform (1), and platform (1) is tensed into the branch in foundation ditch
On pier；Longitudinal take-up device (8) includes two groups of tensioning mechanisms, and every group of tensioning mechanism has and horizontal take-up device (7)
Tensioning mechanism identical structure, every group of tensioning mechanism includes longitudinal screw pull bar, longitudinal base and longitudinally adjusted nut, longitudinal bottom
The bottom plate of seat is arranged on the side of track girder；One end of longitudinal screw pull bar passes the hole on longitudinal base riser top；Adjust longitudinal direction
Whole nut is passed on the longitudinal screw bar of riser upper hole installed in longitudinal screw pull bar, and two groups of tensioning mechanisms are in track girder both sides
It is arranged symmetrically, the other end of the thread of every group of longitudinal tensioning mechanism is respectively hinged on the buttress in foundation ditch, by platform (1)
Tense on the buttress in foundation ditch.
2. a kind of tippler, which is used, according to claim 1 clamps weighing device, it is characterised in that：The horizontal take-up device
(7) and longitudinal take-up device (8) is two or more, it is evenly arranged along track girder.
3. a kind of tippler, which is used, according to claim 1 clamps weighing device, it is characterised in that：The clamping device (4)
Clamping structure includes clamping plate one (4.1), clamping plate two (4.2), executive component (4.3), hinge one (4.4) and hinge two (4.5), institute
State clamping plate one (4.1) and clamping plate two (4.2) be the strip member being symmetrically installed for a pair, the middle part of strip member is provided with hinge hole,
The upper end of strip member is provided with chuck；The executive component (4.3) is reciprocating member, and reciprocating member is arranged on platform
(1) on, reciprocating member is connected with power source；Hinge one (4.4) and hinge two (4.5) respectively by clamping plate one (4.1) and
Clamping plate one (4.1) and clamping plate two (4.2) are hinged on platform (1) by the hinge hole in the middle part of clamping plate two (4.2), clamping plate one (4.1)
It is clamping wheel end with clamping plate two (4.2) ended collet, clamping plate one (4.1) lower end is hinged on reciprocating member fixing end, folder
The lower end of plate two is hinged on reciprocating member motion end.
4. a kind of tippler, which is used, according to claim 3 clamps weighing device, it is characterised in that：The reciprocating member is
Hydraulic cylinder or Electrohydraulic push rod.
5. a kind of tippler, which is used, according to claim 4 clamps weighing device, it is characterised in that：The reciprocating member is
During hydraulic cylinder, power source is hydraulic station；When reciprocating member is Electrohydraulic push rod, power source is power supply.
6. a kind of tippler, which is used, according to claim 5 clamps weighing device, it is characterised in that：The clamping device (4)
Clamp system is the clamp system of the railway tippler clip wheel device using lever fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194746.5A CN104743371B (en) | 2015-04-21 | 2015-04-21 | A kind of tippler clamping weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194746.5A CN104743371B (en) | 2015-04-21 | 2015-04-21 | A kind of tippler clamping weighing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104743371A CN104743371A (en) | 2015-07-01 |
| CN104743371B true CN104743371B (en) | 2017-10-03 |
Family
ID=53583767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194746.5A Active CN104743371B (en) | 2015-04-21 | 2015-04-21 | A kind of tippler clamping weighing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104743371B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883320A (en) * | 2016-05-19 | 2016-08-24 | 北京首钢国际工程技术有限公司 | Small rail traversing trolley fixing and aligning structure and use method thereof |
| CN110285871B (en) * | 2019-05-30 | 2024-09-27 | 中国铁道科学研究院集团有限公司运输及经济研究所 | Weighing device and system for railway vehicle |
| CN110790043B (en) * | 2019-12-09 | 2023-10-24 | 大连华锐重工集团股份有限公司 | Railway flatcar transportation container tipper pressure holds device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201873352U (en) * | 2010-11-26 | 2011-06-22 | 武汉电力设备厂 | Shallow-pit wheel clamp for locomotive to pass |
| CN203069253U (en) * | 2012-11-29 | 2013-07-17 | 陕西电器研究所 | Front static rail weighbridges for double-dumping car dumper |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1195153B (en) * | 1986-09-05 | 1988-10-12 | Fiat Ferroviaria Savigliano | EQUIPMENT SUITABLE FOR CARRYING MOVEMENT OF MOBILE VEHICLES ON RAILS AND MEASUREMENTS ON VEHICLES |
| US5046912A (en) * | 1988-12-23 | 1991-09-10 | Rail Engineering, Inc. | Car dumper |
| CN2534154Y (en) * | 2002-03-18 | 2003-02-05 | 王鹏 | Single end driving C type rotator tippler |
| CN102221395B (en) * | 2011-03-31 | 2012-12-26 | 余姚市通用仪表有限公司 | Integral dynamic rail weighbridge |
| CN204588167U (en) * | 2015-04-21 | 2015-08-26 | 大连华锐重工集团股份有限公司 | A kind of tipper clamping weighting apparatus |
-
2015
- 2015-04-21 CN CN201510194746.5A patent/CN104743371B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201873352U (en) * | 2010-11-26 | 2011-06-22 | 武汉电力设备厂 | Shallow-pit wheel clamp for locomotive to pass |
| CN203069253U (en) * | 2012-11-29 | 2013-07-17 | 陕西电器研究所 | Front static rail weighbridges for double-dumping car dumper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104743371A (en) | 2015-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102085993B (en) | Device and method for automatically adjusting tension of flexible guiding rail of mine lift | |
| CN101699247B (en) | Comprehensive test bed for automobile body | |
| CN103759885B (en) | A kind of calibration test platform for force-measuring wheel set | |
| CN105067238B (en) | A kind of flexible member big load fatigue experimental device and test method and installation method | |
| CN109030038A (en) | A kind of calibration test platform for force-measuring wheel set | |
| CN104743371B (en) | A kind of tippler clamping weighing device | |
| CN107255545A (en) | Calibration test platform for force-measuring wheel set | |
| CN203672555U (en) | Instrumented wheelset calibration test stand | |
| CN203583371U (en) | Box girder self-locking synchronous pushing system of variable-cross-section cantilever bridge | |
| CN208636048U (en) | A kind of loading device based on the test of car body quasistatic compression | |
| CN103575553A (en) | Traction pin loading device for strength test of car body | |
| CN102944433A (en) | Architecture locating device for bogie parameter test bench | |
| CN204588167U (en) | A kind of tipper clamping weighting apparatus | |
| CN202956280U (en) | Positioning device of bogie parameter test board framework | |
| CN201583415U (en) | Longitudinal loading device for vehicle body static strength test bed | |
| CN114112734B (en) | Feeding conversion mechanism of compression shear testing machine | |
| CN103033333B (en) | Anti-roll performance testing apparatus in cab | |
| CN204740133U (en) | Big load fatigue test device of elastic element | |
| CN102677710A (en) | Reaction frame testing method for earth nail drawing tests | |
| WO2024055709A1 (en) | Transverse movement device for replacement of track beam anchor bolt | |
| CN101458190A (en) | Dynamic fatigue test machine for bicycle handle bar | |
| CN108709761A (en) | Electric hoist test bench gauge adjustment device | |
| CN102305035A (en) | Device for adjusting centration of complete vehicle-mounted service machine to wellhead | |
| CN111877173B (en) | Long-distance rapid transition method for bridge girder erection machine | |
| CN208537199U (en) | Electric hoist test bench gauge adjustment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |