CN202785411U - Device for detecting bearing of tower crane - Google Patents
Device for detecting bearing of tower crane Download PDFInfo
- Publication number
- CN202785411U CN202785411U CN 201220161515 CN201220161515U CN202785411U CN 202785411 U CN202785411 U CN 202785411U CN 201220161515 CN201220161515 CN 201220161515 CN 201220161515 U CN201220161515 U CN 201220161515U CN 202785411 U CN202785411 U CN 202785411U
- Authority
- CN
- China
- Prior art keywords
- support
- pin
- tower machine
- wheel
- force measurement
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a device for detecting bearing of a tower crane. The device comprises three parts, namely a mounting support, a rotary force measurement wheel and a connection support, wherein the mounting support is connected with a steel structure of the tower crane, the rotary force measurement wheel is reliably connected with the mounting support through the connection support, and the mounting support comprises a V-shaped mounting plate and a square pipe connection base; the connection support comprises a connection square pipe, and a plurality of pin holes are correspondingly formed in two side walls of the connection square pipe; the rotary force measurement wheel comprises a sensor shaft support and a U-shaped support, and the sensor shaft support can freely rotate; and the sensor shaft support is provided with a rope retaining shaft and a force measurement pin shaft, a guiding wheel is coaxially sleeved on the force measurement pin shaft, and one end of the force measurement pin shaft is guided out by a data line. According to the device for detecting the bearing of the tower crane, disclosed by the utility model, by utilizing a resistance strain type force measurement principle, the tension of a steel rope acting on the guiding wheel is transformed to be a measurable output signal according to the certain proportion so that adjustability on two degrees of freedom of rotation and linear displacement of the force measurement wheel is realized.
Description
Technical field
The utility model belongs to mechanical automation detection technique field, relates to a kind of device for the detection of tower machine lift heavy.
Background technology
Tower crane (also claiming the tower machine) is the main transportation means of building house and bridge, because the focus of work is high, lifted load is large, running velocity is fast, frequent starting, braking in the working process, produce larger live load, therefore, contain more danger factor in the work of tower machine, serious accident occurs easily.
The reason of tower machine accident is a lot, is because the problems such as tower, disconnected arm etc. that overload causes but analyze tower machine accident major cause.Generation for fear of this type of accident; early stage tower machine just is equipped with the devices such as mechanical type overload limiting device of lifting weight, load moment limiter; although these fender guards are when tower machine operation overload; can automatically cut off each operating unit power supply; it is quit work; but; these device sensitivities are low, and reliability and comformability are all very poor, function singleness; lack self-monitoring and Presentation Function; do not possess the advanced prediction ability, therefore, the control action of this class safety device is large to the impact that the tower machine produces; direct infringement tower machine structural strength shortens tower machine service life.
As far back as the nineties in last century, the states such as America and Europe generally begin to use the electronic type crane safety monitoring management system take microcomputer as core, the maximum characteristics of this type systematic are: have simultaneously the functions such as demonstration, record, control, system can show tower machine work at present state in real time, as: the information such as lift heavy, dolly amplitude, height, be convenient to tower machine driver carries out precarious position according to present case judgement, in time control, simultaneously, the writing function of system has great importance for reviewing of fault.Recent years; the units such as domestic industries concerned, universities and colleges, institute begin the electronics overload protection device is studied, designs and produces; the GB1206-2009 that country promulgated in 2011; " overload crane fender guard " clear requires the tower machine that the electronic type overload protection is installed and has the functions such as state demonstration, record and danger judgement, warning.
The most important function of electronic type tower machine safety device is exactly to detect in real time the lift heavy of tower machine, it is relatively simple that tower machine lift heavy detects reason, therefore, be easier to at product tower machine tower machine elevating weight detecting device ratio being installed, yet, when the tower machine is sold, used, how to install elevating weight detecting device additional in original structure, be exactly a relatively stubborn problem.At first, the increase checking device must be able to not destroy the rock-steady structure with the tower machine, secondly, China's tower machine industry is lack of standardization, tower machine manufacturer is many, and each tower machine design disunity, how to design one easy for installation, the service-strong detecting device is just very urgent.
Summary of the invention
The purpose of this utility model provides a kind of device for the detection of tower machine lift heavy, and the common tower machine structure that solves prior art is lack of standardization, with the tower machine the very inconvenient problem of elevating weight detecting device is being installed.
The technical scheme that the utility model adopts is, a kind of device for the detection of tower machine lift heavy, comprise that mounting bracket, revolution force-measuring wheel and connection bracket three parts form, mounting bracket is used for and tower machine steel structure connection, revolution force-measuring wheel part realizes reliably being connected by connection bracket and mounting bracket
Described mounting bracket comprises that the V-type adapter plate is connected base with square tube, and the V-type adapter plate is connected base with square tube and is bolted;
Described connection bracket comprises a connecting square pipes, and two sidewall correspondences of connecting square pipes have a plurality of pin-and-holes, and an end of connecting square pipes is connected base by pin A pegs graft with square tube, and the other end of connecting square pipes is pegged graft by pin B and U-shaped support,
Described revolution force-measuring wheel partly comprises sensor axis support and U-shaped support, the sensor axis support be connected the underrun screw shaft that contacts of support and connect, and the sensor axis support can freely rotate around screw shaft; Have two pairs of axis holes at the sensor axis support, one is used for the mounting block reel for rope, and another axis hole is equipped with the dynamometry bearing pin, and coaxial sleeve is equipped with track adjusting wheel on the dynamometry bearing pin, one end of dynamometry bearing pin is drawn by data line, and the other end of dynamometry bearing pin is captiveed joint with the sensor axis support.
The beneficial effects of the utility model are, three major parts provide respectively rotation and two degree of freedom of straight line of this structure, and simultaneously, holder part provides the installation clamping mode that can be used for square steel, two kinds of keystone configurations of round steel.Can guarantee that by the angle of revolution of regulating the force-measuring wheel bearing pin dynamometry steel cable and force-measuring wheel race are tangent; Holder part length can be adjusted according to tower machine structure; Simultaneously, consider just to adopt square steel and round steel in the tower machine structure design, adjusting device has adopted the form of adjustment capable of being combined, and is applicable at present domestic 80% tower machine lift heavy measurement, easy for installation, simple and reliable.
Description of drawings
Fig. 1 is the mounting structure scheme drawing of the utility model device;
Fig. 2 is the structural representation that the utility model device assembles;
Fig. 3 is tower machine square steel and the round steel detecting device mounting bracket scheme drawing in the utility model device, and a wherein is the mounting bracket connection diagram that square steel is installed for the tower machine, and b is the mounting bracket connection diagram that round steel is installed for the tower machine;
Fig. 4 is the connecting square pipes structural representation in the utility model;
Fig. 5 is the force-measuring wheel scheme drawing with revolution degree of freedom in the utility model;
Fig. 6 is the force-measuring wheel installing component scheme drawing in the utility model;
Fig. 7 is the wheel design scheme drawing in the utility model;
Fig. 8 is the bearing pin sensor scheme drawing in the utility model.
Among the figure, 1.V type adapter plate, 2. square tube connects base, 3. connecting square pipes, 4. spring cotter, 5. screw shaft, 6. nut, 7. spring cotter, 8. track adjusting wheel, 9. hexagon socket head cap screw, 10. the axle collar, 11. adapter plates, 12. sensor axis supports, 13. dynamometry bearing pins, 14. the gear reel for rope, 15. pin B, 16.U type support, 17. bolts, 18. pin A, 19. bearings, 20. hole back-up rings, 21. pin-and-holes, 22. the tower machine is installed square steel, 23. tower machines are installed round steel, 25. data lines, 26. moving-limit grooves.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The lift heavy sensor is a kind of power sensor, and according to the resistance strain weighing transducer principle, the pulling force that it can act on steel rope on the track adjusting wheel converts gageable output signal by a certain percentage to.
With reference to Fig. 1, Fig. 2, structure of the present utility model mainly comprises the mounting bracket of general shape, rotating revolution force-measuring wheel and length-adjustable connection bracket three parts, mounting bracket is for detection of device and being connected of tower machine steel structure, and the revolution force-measuring wheel reliably is connected by connection bracket and mounting bracket realization.
Mounting bracket is that whole elevating weight detecting device is fixed to clamp structure on the tower machine, its structure is: comprise that V-type adapter plate 1 is connected base 2 with square tube, V-type adapter plate 1 is connected base 2 and preferentially selects M12X120 by four high-intensity bolt 17(models with square tube) and supporting nut realization connection.Whole clamp structure adopts 4 cover bolts 17 that square tube is connected on the steel structure that base 2 is fastened to the tower machine.With reference to Fig. 3, this structure has two kinds of different mounting meanss, applicable to square steel or the round steel of various sizes.
When tower machine installation place steel structure is square steel, adopt 4 cover bolt captive joint V-type adapter plates 1 to be connected base 2 with square tube according to the mode shown in Fig. 3 a, the V-type groove of V-type adapter plate 1 and square steel are crossed as 90 degree, and the V-type groove of V-type adapter plate 1 is along contacting with square steel realization face; When tower machine installation place is round steel, adopt 4 cover bolt captive joints according to the mode shown in Fig. 3 b, V-type adapter plate V-type groove is consistent with the round steel direction, realizes the tangent line contact.
Connection bracket is the constructional device that mounting bracket is connected together with the revolution force-measuring wheel, length can be according to the structural adjustment of tower machine, this part comprises a connecting square pipes 3, two sidewall correspondences of connecting square pipes 3 have a plurality of pin-and-holes 21, with reference to Fig. 4, one end of connecting square pipes 3 is connected base 2 by pin A18 and pegs graft with square tube, peg graft good after by the preferred 2.5X20 of spring cotter 4(model) carry out safety lock, the other end of connecting square pipes 3 is pegged graft by pin B15 and U-shaped support 16, carries out safety lock by other spring cotter 4 after grafting is good.This structure partly couples together front end force-measuring wheel part with the rear end mounting bracket by connecting square pipes 3 usefulness pin B15 and pin A18, owing to be arranged at intervals with 9 pairs of pin-and-holes 21 on the connecting square pipes 3, such as Fig. 4, stretch into respective pin hole 21 positions that square tube connects base 2 by adjusting connecting square pipes 3, reach the purpose that connection bracket is partly stretched.Realized the length adjustment of force-measuring wheel along the connection bracket direction such as this connection bracket of Fig. 2, can carry out length adjustment according to the concrete structure of tower machine, thereby guaranteed that the tower machine hangs when carrying steel cable to the effect of certain force is arranged on the force-measuring wheel.
Pin B15 or pin A18 preferably adopt double-pin version, and the insurance fixed effect is better.
Revolution force-measuring wheel with revolution degree of freedom partly is used for realizing the measurement of steel cable internal tension.With reference to Fig. 1, shown in Figure 2, this part-structure is, comprises force-measuring wheel mounting portion and force-measuring wheel part, as shown in Figure 5:
Figure 6 shows that the force-measuring wheel mounting portion comprises sensor axis support 12 and U-shaped support 16, sensor axis support 12 is opposite with U-shaped support 16 openings, sensor axis support 12 be connected the underrun screw shaft 5 of contacting of support 16 and connect, nut 6 outsides of screw shaft 5 are equipped with spring cotter 7, (screw shaft 5 preferred model M20, nut 6 preferred model M20, spring cotter 7 preferred model 4X36), be connected with connecting square pipes 3 for U-shaped 16, sensor axis support 12 is used for fixedly force-measuring wheel part, simultaneously, screw shaft 5 is step screw shafts, the height of step is greater than the thickness of sensor axis support 12, so that sensor axis support 12 can freely rotate around screw shaft 5, has realized the rotational freedom of force-measuring wheel part.
Force-measuring wheel partly comprises track adjusting wheel 8(assembly) and dynamometry bearing pin 13 such as Fig. 7, shown in Figure 8.Wherein, track adjusting wheel 8 assemblies comprise nylon wheel, bearing 19 and hole back-up ring 20.In Fig. 5, have two pairs of axis holes on the sensor axis support 12, one is used for mounting block reel for rope 14, another axis hole is equipped with dynamometry bearing pin 13, coaxial sleeve is equipped with track adjusting wheel 8 on the dynamometry bearing pin 13, and wherein the nylon wheel of track adjusting wheel 8 and dynamometry bearing pin 13 are installed by bearing 19, and the outside of bearing 19 is installed porose with back-up ring 20, (bearing 19 models are preferred 6206, hole with back-up ring 20 preferred models 62).The material of nylon wheel is the casting of MC nylon, and the inner ring of bearing 19 and dynamometry bearing pin 13 cooperate.The Main Function of track adjusting wheel 8 is guiding steel cables, and with the pull transfer of steel rope to dynamometry bearing pin 13.
Shown in Figure 8, dynamometry bearing pin 13 is a kind of force transducers, and it is to measure distortion by dynamometry bearing pin 13 internal strain sheets, then is converted into the bearing pin diametral load.Dynamometry bearing pin 13 axially be provided with the step that matches with sensor axis support 12 and bearing 19, dynamometry bearing pin 13 is by the cooperation of 12 supports of sensor axis support and track adjusting wheel 8, on track adjusting wheel 8 both sides and sensor axis support 12 amongs one axle collar 10 is installed, prevents track adjusting wheel 8 left and right sides vibration on dynamometry bearing pin 13.One end of dynamometry bearing pin 13 is drawn by data line 25, data line 25 adopts the three-core shielding cable, the other end of dynamometry bearing pin 13 radially has moving-limit groove 26, be provided with adapter plate 11 in the moving-limit groove 26, adapter plate 11 is fixed on the sensor axis support 12 by hexagon socket head cap screw 9, realizes the rotation of dynamometry bearing pin 13.
Tower machine elevating weight detecting device of the present utility model adopts the resistance-strain type of dynamometer principle, and the pulling force that steel rope is acted on the track adjusting wheel converts gageable output signal by a certain percentage to.Lack of standardization for existing part tower machine structure, very inconvenient with tower machine installation elevating weight detecting device, structure of the present utility model has realized the force-measuring wheel rotation, straight-line displacement is adjustable two degree of freedom, simultaneously, holder part provides the difference that can be used for square steel, round steel that clamping mode is installed, this structure is easy for installation, and is simple and reliable, is applicable at present domestic 80% tower machine structure.
Claims (5)
1. one kind is used for the device that tower machine lift heavy detects, it is characterized in that: comprise that mounting bracket, revolution force-measuring wheel and connection bracket three parts form, mounting bracket is used for and tower machine steel structure connection, and revolution force-measuring wheel part realizes reliably being connected by connection bracket and mounting bracket
Described mounting bracket comprises that V-type adapter plate (1) is connected base (2) with square tube, and V-type adapter plate (1) is connected base (2) and connects by bolt (17) with square tube;
Described connection bracket comprises a connecting square pipes (3), two sidewall correspondences of connecting square pipes (3) have a plurality of pin-and-holes (21), one end of connecting square pipes (3) is by pin A(18) be connected base (2) grafting with square tube, the other end of connecting square pipes (3) is by pin B(15) peg graft with U-shaped support (16)
Described revolution force-measuring wheel partly comprises sensor axis support (12) and U-shaped support (16), sensor axis support (12) be connected the underrun screw shaft (5) that contacts of support (16) and connect, and sensor axis support (12) can freely rotate around screw shaft (5); Have two pairs of axis holes at sensor axis support (12), one is used for mounting block reel for rope (14), another axis hole is equipped with dynamometry bearing pin (13), the upper coaxial sleeve of dynamometry bearing pin (13) is equipped with track adjusting wheel (8), one end of dynamometry bearing pin (13) is drawn by data line (25), and the other end of dynamometry bearing pin (13) is captiveed joint with sensor axis support (12).
2. the device that detects for tower machine lift heavy according to claim 1, it is characterized in that: the other end of described dynamometry bearing pin (13) radially has moving-limit groove (26), be provided with adapter plate (11) in the moving-limit groove (26), adapter plate (11) is fixed on the sensor axis support (12).
3. the device for the detection of tower machine lift heavy according to claim 1 is characterized in that: be arranged at intervals with 9 pairs of pin-and-holes (21) on the described connecting square pipes (3).
4. the device that detects for tower machine lift heavy according to claim 1 is characterized in that: described pin B(15) or pin A(18) adopt the double-pin form.
5. the device that detects for tower machine lift heavy according to claim 1, it is characterized in that: wherein the nylon wheel of track adjusting wheel (8) and dynamometry bearing pin (13) are installed by bearing (19), and the porose back-up ring (20) of using is installed in the outside of bearing (19); On track adjusting wheel (8) both sides and sensor axis support (12) among one axle collar (10) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220161515 CN202785411U (en) | 2012-04-17 | 2012-04-17 | Device for detecting bearing of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220161515 CN202785411U (en) | 2012-04-17 | 2012-04-17 | Device for detecting bearing of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202785411U true CN202785411U (en) | 2013-03-13 |
Family
ID=47812719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220161515 Expired - Fee Related CN202785411U (en) | 2012-04-17 | 2012-04-17 | Device for detecting bearing of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202785411U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844666A (en) * | 2018-05-14 | 2018-11-20 | 南京农业大学 | A kind of tractor suspension device for measuring force |
| CN109019338A (en) * | 2018-09-21 | 2018-12-18 | 长沙中联恒通机械有限公司 | The limiter of moment control method of double hoisting crane |
| CN110482423A (en) * | 2019-09-11 | 2019-11-22 | 广州力环工程科技有限公司 | A kind of tower crane multimachine anticollision device, collision-prevention device |
-
2012
- 2012-04-17 CN CN 201220161515 patent/CN202785411U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844666A (en) * | 2018-05-14 | 2018-11-20 | 南京农业大学 | A kind of tractor suspension device for measuring force |
| CN108844666B (en) * | 2018-05-14 | 2023-10-24 | 南京农业大学 | Tractor hangs force measurement device |
| CN109019338A (en) * | 2018-09-21 | 2018-12-18 | 长沙中联恒通机械有限公司 | The limiter of moment control method of double hoisting crane |
| CN110482423A (en) * | 2019-09-11 | 2019-11-22 | 广州力环工程科技有限公司 | A kind of tower crane multimachine anticollision device, collision-prevention device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202785411U (en) | Device for detecting bearing of tower crane | |
| CN102252840B (en) | Tester of fault diagnosis of rotating machinery with closed power | |
| CN104568280A (en) | Pre-tightening force detection device for hub bearing bolt | |
| CN104568283B (en) | Pre-tightening force detection device for spline shaft bolt of hub | |
| CN204454308U (en) | Novel tower crane monitoring system | |
| CN101419105B (en) | Shaft part force measuring device | |
| WO2024000943A1 (en) | Wireless telemetry device for collecting wheel-rail force signal | |
| CN102249153A (en) | Device for detecting rotating angle, control method thereof and crane comprising same | |
| CN208712254U (en) | A kind of thread detecting device of automobile wheel hub bolt | |
| CN204976485U (en) | Special tool for aligning coupler | |
| CN203629730U (en) | Torsion detection device | |
| CN201757733U (en) | Bolt strength detection device | |
| CN111289269B (en) | Speed measuring roller device based on automobile brake inspection bench | |
| CN201307042Y (en) | Shaft component force measuring device | |
| CN201737628U (en) | Installation device of crane encoder | |
| CN202686184U (en) | Dustproof support of adjustable suspension type automobile detection displayer | |
| CN207779432U (en) | A kind of encoder fixing device | |
| CN203629736U (en) | Wheel hub spline shaft bolt pretightening force detection device | |
| CN101776432B (en) | Robot gripper multi-functional test device | |
| CN219084364U (en) | Gear box axial force loading device | |
| CN204980920U (en) | Bridge crane wire rope takes off groove early warning device | |
| CN212674336U (en) | Intelligent wireless portable torque testing device | |
| CN204237359U (en) | A kind of sheave shaft is to System Controlled by Measuring Pressure | |
| CN220950974U (en) | Luffing hinge pin type weighing structure and mobile crane | |
| CN212127298U (en) | Welding-free tower crane hoisting weight measuring mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20160417 |