CN109668668A - A kind of drawstring tension measuring device - Google Patents
A kind of drawstring tension measuring device Download PDFInfo
- Publication number
- CN109668668A CN109668668A CN201910074400.XA CN201910074400A CN109668668A CN 109668668 A CN109668668 A CN 109668668A CN 201910074400 A CN201910074400 A CN 201910074400A CN 109668668 A CN109668668 A CN 109668668A
- Authority
- CN
- China
- Prior art keywords
- device connector
- connector
- drawstring
- tension measuring
- connecting 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.)
- Pending
Links
- 230000006978 adaptation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
- G01L5/106—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means for measuring a reaction force applied on a cantilever beam
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to a kind of drawstring tension measuring devices, including upper and lower spaced apart upper device connector and lower device connector, drawstring tension measuring device further includes the device connector jack for driving upper device connector and lower device connector to relatively move, string is equipped with load cell on device connector jack, U-shaped card is provided on upper device connector, U-shaped card includes the two sidewalls for cooperating with component upper ends contact, the upside evacuation recess for avoiding corresponding screw rod is formed between two sidewalls, the present invention provides a kind of tension measuring devices that drawstring tonometry is realized using drawstring tensioning pile.
Description
Technical field
The present invention relates to a kind of tension measuring devices that drawstring tonometry is realized using drawstring tensioning apparatus.
Background technique
For the intensity or stability for guaranteeing some basic components, building facility etc., it usually needs setting bracing wire is also referred to as drawn
Rope, such as electric pole, signal tower, drag-line bridge suspension cable, transmission line wire suspension etc., bracing wire are typically all by steel strand wires system
At the pulling force of bracing wire is most important to the safety for guaranteeing relevant device, therefore the pulling force of bracing wire needs to meet certain design
It is required that after a period of use, it is also desirable to be detected to the pulling force of bracing wire.
Drawstring generally passes through drawstring tensioning apparatus and is connected with ground or other matrixes, and drawstring tensioning apparatus is varied, often
A kind of drawstring tensioning apparatus seen is provided with connecting plate 5 on fixed matrix as shown in Figure 1:, and drawstring tensioning apparatus includes upper
Connector 6, lower end connector 4 are held, upper end connector is fixedly connected with drawstring 1, and lower end connector is hinged and connected with connecting plate 5,
Upper end connector includes upside connecting screw 2, and lower end connector includes downside connecting screw 7, and drawstring tensioning apparatus further includes two
The swivel nut 3 with Opposite direction connection screw thread is held, upside connecting screw 2 is connect with swivel nut threaded upper ends, downside connecting screw 7 and swivel nut
Downside is threadedly coupled.When tensioning operation, by screwing swivel nut, so that upper end connector, lower end connector are mutually drawn close and are realized
Drawstring is tensioned.
Summary of the invention
The purpose of the present invention is to provide a kind of tonometry dresses that drawstring tonometry is realized using drawstring tensioning pile
It sets.
In order to solve the above technical problems, technical scheme is as follows:
A kind of drawstring tension measuring device, including spaced apart upper device connector and lower device connector up and down, drawstring
Force measuring device further includes the device connector radio and tape player for driving upper device connector and lower device connector to relatively move
Structure, string is equipped with load cell on device connector jack, and U-shaped card is provided on upper device connector, and U-shaped card includes using
The upside evacuation recess for avoiding corresponding screw rod, lower dress are formed in the two sidewalls cooperated with component upper ends contact, between two sidewalls
Setting connector has following three kinds of setting forms, the first, lower device connector be equipped with for it is outer on the connecting screw of downside
The internal thread hole of threaded adapter, lower device connector include at least two connection valves being bolted, and each valve that connects surrounds
The internal thread hole；Second, lower device connector has the connecting plate evacuation recess for avoiding corresponding connecting plate, connecting plate
The two sides of evacuation recess are for contact in the lower end connector bottom of drawstring tensioning apparatus；The third, lower device connector has
For connecting plate withstanding structure of the contact on connecting plate.
Upper device connector, lower device connector and device connector form C-shaped configuration.
Load cell is beam type load cell, and upper device connector is connected to one end of load cell.
The folding and unfolding executive item of device connector jack be the driving cylinder being arranged along the vertical direction or have double thread
Screw set.
The invention has the benefit that in the present invention using the prior art medium pulling rope end connection drawstring tensioning apparatus come
The tension of drawstring is detected, device connector and lower device connector connect with the corresponding position of drawstring tensioning apparatus respectively
It connects, device connector jack drives upper device connector, the relative movement of lower device connector, public using the cooperation between screw thread
Fit tolerance between difference or pin shaft pin hole disconnects the tension transmitting of drawstring tensioning apparatus, undertakes drawing by drawstring tension measuring device
The tension of rope, therefore the tension of drawstring can be measured by load cell.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of background of invention medium pulling rope tensioning apparatus；
Fig. 2 is a schematic structural view of Embodiment 1 of the present invention；
Fig. 3 is the cooperation schematic diagram of upper device connector and swivel nut in Fig. 2；
Fig. 4 is the cooperation schematic diagram of lower device connector and downside connecting screw in Fig. 2；
Fig. 5 is the measuring principle figure of embodiment 1；
Fig. 6 is the relational graph of load cell indicating value and driving cylinder load time in embodiment 1；
Fig. 7 is a schematic structural view of Embodiment 2 of the present invention；
Fig. 8 is the cooperation schematic diagram of lower device connector and lower end connector and connecting plate in Fig. 7；
Fig. 9 is a schematic structural view of Embodiment 3 of the present invention；
Figure 10 is the cooperation schematic diagram of lower device connector and connecting plate in Fig. 8.
Specific embodiment
A kind of embodiment 1 of drawstring tension measuring device is as shown in Fig. 2 ~ 6: being illustrated to this drawstring measuring device
Before, drawstring tensioning apparatus in the prior art is simply introduced first.
As shown in Figure 2: drawstring tensioning apparatus includes the connecting plate 5 for being fixed in corresponding matrix, drawstring tensioning apparatus
Including upper end connector 6, lower end connector 4, upper end connector is fixedly connected with drawstring 1, and lower end connector 4 and connecting plate 5 are logical
It crosses articulated shaft 8 to be hinged and connected, upper end connector includes upside connecting screw 2, and lower end connector includes downside connecting screw 7, is drawn
Rope tensioning apparatus further includes the swivel nut 3 that both ends have Opposite direction connection screw thread, and upside connecting screw 2 is connect with swivel nut threaded upper ends,
It is threadedly coupled on the downside of downside connecting screw 7 and swivel nut.When tensioning operation, by screwing swivel nut, so that upper end connector, lower end connect
Connector is mutually drawn close and realizes and be tensioned drawstring.The upper and lower, left and right orientative feature being designed into the present invention, merely to explanation
Problem is not the limitation of this programme protection scope.
Drawstring tension measuring device includes upper and lower spaced apart upper device connector 9 and lower device connector 10, drawstring
Tension measuring device further includes the device connector folding and unfolding for driving upper device connector and lower device connector to relatively move
Mechanism, device connector jack include folding and unfolding executive item 14, and string is equipped with load cell on device connector jack
17。
Upper device connector is arranged in juxtaposition with lower device connector, upper device connector, lower device connector and connector
Jack forms C-shaped configuration.It wherein is provided with U-shaped card 22 on upper device connector, U-shaped card includes for the upper end with swivel nut
The two sidewalls of portion's contact cooperation form the upside evacuation recess 23 for connecting screw on the upside of avoid between two sidewalls.Lower device
Connector includes two connection valves 18 connected by bolt 21, and each connect is provided with half of thread groove 20, two spiral shells on valve
Groove is together at the internal thread hole for being adapted to the external screw thread on downside connecting screw 7.Folding and unfolding in the present embodiment is held
Row part is the driving cylinder that an axis is arranged along the vertical direction, and load cell is length perpendicular to the outstanding of driving cylinder axis arrangement
Arm beam measuring load sensor, beam type force snesor belong to the prior art, its working principle are no longer described in detail at this, this implementation
Beam type load cell in example can be using the TQ-719 beam type force snesor of Beijing WorldCom Kechuang production.Driving
The piston rod 13 of cylinder is fixed with the lower lateral rods being fixedly connected with lower device connector 10, and lower lateral rods include vertically arranged lower lateral rods
Vertical section 12 and lower lateral rods lateral part 11, the cylinder body of driving cylinder is fixed with and force-measuring sensing, 17 upper bars being fixedly connected
16。
In use, the drawstring tension measuring device in the present invention is using drawstring tensioning apparatus in the prior art to drawstring
Tension measures, and the U-shaped card of upper device connector is stuck on the upside connecting screw of drawstring tensioning apparatus, will by bolt
For two connection valves to the periphery for being buckled in downside connecting screw, the thread, internal thread tooth of the thread groove on connecting plate connect spiral shell with downside
External screw thread tooth matching on bar, to realize the axial restraint of lower device connector opposite lower connecting screw.The piston of driving cylinder
Bar retracts, as shown in Figure 5 in A figure: not perfect matching between normal screw thread and screw thread, by taking M50 as an example, the spiral shell of internal screw thread
There is fit tolerance 30, fit tolerance 0.032mm, when not being detected, by drawstring between tooth 31 and externally threaded thread groove
Pulling force effect, the upside of the external screw thread 71 of downside connecting screw is tightly attached on the upside of the internal screw thread of swivel nut, when the work of driving cylinder
When stopper rod is withdrawn, upper device connector applies an active force in downward direction to swivel nut, if the B in Fig. 5 schemes, when upper device connects
When connector is enough to overcome the tension of drawstring to the active force of swivel nut 3, thread upside and the downside connecting screw of the internal screw thread of swivel nut
Externally threaded thread on the upside of be detached from, drawstring tension measuring device is serially connected in the tension force path of drawstring at this time, at this time dynamometry pass
The force value that sensor measures is the tension of drawstring.In force value performance as shown in fig. 6, in the time course of driving cylinder load,
The pulling force f of initial drawstring1=F +f2, F is loading force, that is, load cell indicating value of driving cylinder, f2It is connect for swivel nut with downside
The thread contact force of screw bracket, on the upside of the thread upside of the internal screw thread of swivel nut and the externally threaded thread of downside connecting screw
After disengaging, f2=0, F=f1, showed on the curve of force value and time, slope-inversion point occurs in F, and the force value at this inflection point is
For the tension of drawstring.
In other embodiments of the invention: load cell is also possible to survey with the spoke type that driving cylinder coaxial line is arranged
Force snesor；Certain folding and unfolding executive item may not be driving cylinder, such as folding and unfolding executive item includes the rotation with double thread
Set is twisted, screws the thread rotary orientation at set both ends on the contrary, being provided with and screwing the company of external threading connection in load cell and connecting rod
It connects screw rod, by screwing set when use, also may be implemented that left clamping piece, right clamping piece is driven to relatively move.
A kind of embodiment 2 of drawstring tension measuring device is as shown in Fig. 7 ~ 8: embodiment 2 unlike the first embodiment, under
Device connector 10 has the connecting plate evacuation recess 36 for avoiding corresponding connecting plate 5, and the two sides of connecting plate evacuation recess are used
In contact in 4 bottom of lower end connector of drawstring tensioning apparatus.Lower device connector in the present embodiment is by contact in lower end
The axial movement to lower device connector positions, on lower device connector connecting plate evacuation recess is realized in the bottom of connector
Connecting plate can be avoided open.
A kind of embodiment 3 of drawstring tension measuring device is as shown in Fig. 9 ~ 10: embodiment 3 unlike the first embodiment,
One, the U-shaped card of upper device connector is not stuck in swivel nut upper end when use, but is stuck in the upper end of lower end connector, and second, under
Device connector 10, which has, is used for connecting plate withstanding structure of the contact on the downside of connecting plate, and specific connecting plate withstanding structure is one
A upper projecting face 37, by upper device connector contact on the upside of lower end connector, the upper projecting face top of lower device connector when use
It is against the downside of connecting plate 5.In the present embodiment because connecting plate and lower union joint are hinged and connected by articulated shaft, articulated shaft with
Between hinge hole have fit tolerance, when driving cylinder piston rod shrink when, using the fit tolerance realization disconnect plate with
Power transmission between lower union joint, by drawstring tension measuring device string on the tension force path of drawstring.
Claims (4)
1. a kind of drawstring tension measuring device, it is characterised in that: including upper and lower spaced apart upper device connector and lower device
Connector, drawstring tension measuring device further include the device for driving upper device connector and lower device connector to relatively move
Connector jack, string is equipped with load cell on device connector jack, is provided with U-shaped on upper device connector
Card, U-shaped card includes the two sidewalls for cooperating with component upper ends contact, and the upside for avoiding corresponding screw rod is formed between two sidewalls
Evacuation recess, lower device connector have following three kinds of setting forms, the first, lower device connector is equipped with for connecting with downside
The internal thread hole of the external screw thread adaptation on screw rod is connect, lower device connector includes at least two connection valves being bolted,
Each connection valve surrounds the internal thread hole；Second, lower device connector has to be kept away for avoiding the connecting plate of corresponding connecting plate
Allow recess portion, the two sides of connecting plate evacuation recess are for contact in the lower end connector bottom of drawstring tensioning apparatus；The third, lower dress
Setting connector has for connecting plate withstanding structure of the contact on connecting plate.
2. drawstring tension measuring device according to claim 1, it is characterised in that: upper device connector, the connection of lower device
Head and device connector form C-shaped configuration.
3. drawstring tension measuring device according to claim 1 or 2, it is characterised in that: load cell is beam type
Load cell, upper device connector are connected to one end of load cell.
4. drawstring tension measuring device according to claim 3, it is characterised in that: the folding and unfolding of device connector jack
Executive item is the driving cylinder being arranged along the vertical direction or screws set with double thread.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029233 | 2019-01-12 | ||
| CN2019100292337 | 2019-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109668668A true CN109668668A (en) | 2019-04-23 |
Family
ID=66149768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910074400.XA Pending CN109668668A (en) | 2019-01-12 | 2019-01-25 | A kind of drawstring tension measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109668668A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0986828A (en) * | 1995-09-29 | 1997-03-31 | Mitsubishi Denki Bill Techno Service Kk | Rope tension measuring device for elevator |
| KR200212193Y1 (en) * | 2000-05-31 | 2001-02-15 | 이창남 | Hook type wire tension meter |
| CN201096570Y (en) * | 2007-11-06 | 2008-08-06 | 浙江省计量科学研究院 | Wire rope tension and diameter measurement device |
| CN205785632U (en) * | 2016-05-20 | 2016-12-07 | 重庆交通大学 | For monitoring the monitoring device of landing stage, sloping quay mooring force |
| CN106441683A (en) * | 2016-08-30 | 2017-02-22 | 中国电力科学研究院 | Wire rope tension measurement system with sphenoid, and wire rope tension measurement method |
| CN206832395U (en) * | 2017-07-05 | 2018-01-02 | 福建省特种设备检验研究院 | A kind of elevator cable tension measuring instrument based on controlled in wireless |
| CN209525039U (en) * | 2019-01-12 | 2019-10-22 | 尚廷东 | Drawstring tension measuring device |
-
2019
- 2019-01-25 CN CN201910074400.XA patent/CN109668668A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0986828A (en) * | 1995-09-29 | 1997-03-31 | Mitsubishi Denki Bill Techno Service Kk | Rope tension measuring device for elevator |
| KR200212193Y1 (en) * | 2000-05-31 | 2001-02-15 | 이창남 | Hook type wire tension meter |
| CN201096570Y (en) * | 2007-11-06 | 2008-08-06 | 浙江省计量科学研究院 | Wire rope tension and diameter measurement device |
| CN205785632U (en) * | 2016-05-20 | 2016-12-07 | 重庆交通大学 | For monitoring the monitoring device of landing stage, sloping quay mooring force |
| CN106441683A (en) * | 2016-08-30 | 2017-02-22 | 中国电力科学研究院 | Wire rope tension measurement system with sphenoid, and wire rope tension measurement method |
| CN206832395U (en) * | 2017-07-05 | 2018-01-02 | 福建省特种设备检验研究院 | A kind of elevator cable tension measuring instrument based on controlled in wireless |
| CN209525039U (en) * | 2019-01-12 | 2019-10-22 | 尚廷东 | Drawstring tension measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102070088B (en) | Load power takeoff (PTO) device for high-lift portal crane | |
| CN209525039U (en) | Drawstring tension measuring device | |
| CN109668668A (en) | A kind of drawstring tension measuring device | |
| MXPA05000836A (en) | Pivoting gooseneck. | |
| CN113028011A (en) | Device for adjusting guide and elastic tension of steel wire rope | |
| CN111697487A (en) | Voltage-measurable live-line double-insulator-string replacing device and operation method | |
| CN203568503U (en) | Stacker crane brick clamping device | |
| CN216004849U (en) | Rope loosening overload detection device | |
| CN212535268U (en) | Linear tower for composite material power transmission line | |
| CN201566156U (en) | Connector of press balancer and sliding block | |
| CN109443619A (en) | Stretching force detecting apparatus and detection method between a kind of tension member | |
| CN212172630U (en) | Wire way system of bar bundling machine and bar bundling machine | |
| CN212794816U (en) | Pin puller | |
| CN201890755U (en) | Chain failure-sensing mechanism | |
| CN209927606U (en) | Tension detection device for rope | |
| CN209125705U (en) | A kind of antioverloading ratchet spanner | |
| CN202079131U (en) | Pressing screw spherical device of pressing type shape steel straightening machine | |
| CN109623639A (en) | A kind of installation method of the anodontia mill trunnion of ultra-large type | |
| CN207361576U (en) | Elevator drives locking device | |
| CN206219881U (en) | A kind of adjustable steel twisted wire post-former | |
| CN101450477A (en) | Special demounting device of mine shaft-coupler | |
| CN108225754A (en) | A kind of test device for being used to check Petroleum Down-hole Tool tensile compression test frame precision | |
| CN214667378U (en) | Round-link chain force measuring device for mine | |
| CN109382445A (en) | It is a kind of can multi-angle regulation workshop object position limiting clamp | |
| CN109724740A (en) | A kind of drag-line bridge cable force measurement device |
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 |