CN201330132Y - Demarcation device of lifting load stopper - Google Patents

Demarcation device of lifting load stopper Download PDF

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Publication number
CN201330132Y
CN201330132Y CNU2009200354000U CN200920035400U CN201330132Y CN 201330132 Y CN201330132 Y CN 201330132Y CN U2009200354000 U CNU2009200354000 U CN U2009200354000U CN 200920035400 U CN200920035400 U CN 200920035400U CN 201330132 Y CN201330132 Y CN 201330132Y
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CN
China
Prior art keywords
sensor
steel rope
support
seat
rope
Prior art date
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Expired - Fee Related
Application number
CNU2009200354000U
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Chinese (zh)
Inventor
王益丰
徐炳方
傅强
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.)
CHANGZHOU CHANGXIN ELECTRONIC SCALE Co Ltd
Original Assignee
CHANGZHOU CHANGXIN ELECTRONIC SCALE Co Ltd
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Priority to CNU2009200354000U priority Critical patent/CN201330132Y/en
Application granted granted Critical
Publication of CN201330132Y publication Critical patent/CN201330132Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a demarcation device of lifting load stopper which includes a machine seat, a basic sensor, an armored rope, a primary standard instrument, a sensor clamp mechanism and a hydraulic oil cylinder. Two ends of the armored rope connect with the basic sensor, the basic sensor connects with the machine seat bottom, the basic sensor connects with the primary standard instrument installed on the machine seat through a signal ine, the armored rope is bore on a crown block, a block seat equipped with the crown block connects with a hydraulic oil cylinder installed on the machine seat; more than four sensor clamp mechanisms connects with the armored rope through a rope fasteners, the sensor clamp mechanism includes a seat, a frame bracket and a pressing rod, the frame bracket with a sensor insert connects with the seat, the armored rope passes through the sensor insert, the pressing rod with a pressing head is rotated connected with the frame bracket and is opposite to the armoured rope; more than four instrument seats and electrical power source switches are set on the machine seat. The device has characteristics of convenient for assembling/disassembling a side press type sensor and high demarcation efficiency.

Description

The caliberating device of load lifting limiter
Technical field
This utility model relates to a kind of caliberating device of load lifting limiter, belongs to the load lifting limiter technical field.
Background technology
Load lifting limiter is mainly to be made up of side-compression sensor, weighing instrument, power control box etc., is used for weight-lifting equipment, prevents a kind of safety guard that weight-lifting equipment moves under overload condition.During use just steel rope directly be embedded in side-compression sensor two side channels, steel wire rope tension is converted into the pressure that the side-compression sensor bears the lifting thing is measured.In the production, need go forward side by side rower calmly to each load lifting limiter measurement.Measuring timing signal, by captive nut and briquetting the side-compression sensor clip is held on the steel cable, steel rope one end is connected on the support by reference sensor, steel rope is walked around pulley and is connected with cylinder, by cylinder action stretching steel rope, steel wire rope tension is acted on side-compression sensor and reference sensor,, side-compression sensor and cooresponding weighing instrument are measured demarcation according to the output valve of reference sensor.But this calibration method once can only be measured demarcation to a side-compression sensor, owing to need operating nut and briquetting to load and unload the side-compression sensor at every turn, operates comparatively loaded down with trivial details, labour intensity is big, because non-cutting time is longer, causes the whole calibrating time long, demarcation efficient is low.In addition, adopt cylinder stretching steel rope, cause the tension force instability on the steel rope, and influence measuring stability.
Summary of the invention
It is convenient that the purpose of this utility model provides a kind of loading and unloading side-compression sensor, can improve the caliberating device of the load lifting limiter of demarcating efficient.
The utility model is that the technical scheme that achieves the above object is: a kind of caliberating device of load lifting limiter, comprise support, reference sensor, steel rope and master meter, it is characterized in that: also have sensor and clamp mechanism and hydraulic ram, the two ends of described steel rope are connected with reference sensor respectively, reference sensor is connected with the support bottom, reference sensor is connected with master meter on being installed in support by signal wire (SW), steel rope is bearing on the fixed pulley, the pulley base of fixed pulley is installed is connected with hydraulic cylinder piston rod on being installed in support; Sensor more than four clamps mechanism and is connected on the steel rope by sling, sensor clamps mechanism and comprises bearing, frame support and depression bar, frame support with sensor slot is connected on the bearing, steel wire penetrating sensor slot, the depression bar that has a pressure head are screwed on the frame support and are relative with steel rope; Meter base and source switch more than four are installed on the support.
The utility model supports steel rope by fixed pulley, and the two ends of steel rope are connected with support with two reference sensors respectively, not influenced by the frictional resistance between fixed pulley and the steel rope, the steel wire rope tension of the every side of reference sensor is consistent fully, adopt hydraulic ram stretching steel rope in addition, steel wire rope tension is stable, the pressure unanimity that each side-compression sensor of being installed in the steel rope both sides is born is so can demarcate two above load lifting limiters of one side by reference sensor.The utility model once can be demarcated the load lifting limiter more than four, has improved demarcation efficient significantly.The utility model is equipped with sensor and clamps mechanism on steel rope, by bearing and the frame support that is connected on the bearing side-compression sensor is located, therefore the slot that only needs the side-compression sensor directly to be inserted in frame support can be installed on the bearing, only needing the operation depression bar that steel rope and side-compression sensor are installed in sensor clamps mechanism or unclamps, loading and unloading side-compression sensor is convenient to operation, reduce labour intensity, increased substantially the installation effectiveness of side-compression sensor.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the backsight structural representation of Fig. 1.
Fig. 3 is the structural representation that sensor of the present utility model clamps mechanism.
Fig. 4 is the A-A sectional structure scheme drawing of Fig. 3.
Wherein: 1-Connection Block, 2-reference sensor, 3-cover of wedge, 4-steel rope, the 5-support, 6-hydraulic ram, 6-1-piston rod, 7-guiding mechanism, 7-1-lower guide rod seat, 7-2-guide rod, 7-3-top guide bar seat, 8-pulley base, the 9-master meter, the 10-fixed pulley, 11-side-compression sensor, the 12-sensor clamps mechanism, the 12-1-bearing, the inboard facade of 12-11-, locations under the 12-12-, 12-13-dihedral base, 12-2-frame support, 12-21-back plate, the 12-22-pipe link, 12-23-pressing plate, 12-24-sensor slot, the 12-3-depression bar, 12-31-pressure head, 12-32-handwheel, the 13-sling, 14-small sheave, 15-signal lamp, the 16-instrument, 17-meter base, 18-source switch.
The specific embodiment
See shown in Fig. 1,2 that the caliberating device of load lifting limiter of the present utility model comprises that support 5, reference sensor 2, steel rope 4, sensor clamp mechanism 12, master meter 9, guiding mechanism 7 and hydraulic ram 6.See Fig. 1, shown in 3, the two ends of steel rope 4 of the present utility model are connected with reference sensor 2, this reference sensor 2 adopts pull-type sensor, these steel rope 4 one ends are connected with cover of wedge 3, cover of wedge 3 is connected with a side of reference sensor 2 by bearing pin, and the opposite side of reference sensor 2 is connected with Connection Block 1 on being fixed on support 5 by bearing pin, the other end of steel rope 4 is walked around small sheave 14 by the rope clamp captive joint, the reference sensor 2 of same this side is installed on the Connection Block 1 that is fixed on support 5 by bearing pin, and two reference sensor 2 be installed on the support 5, by the accurate respectively tension force of measuring on each side steel rope 4 of two reference sensors 2, two reference sensors 2 respectively by signal wire (SW) be installed in support 5 on separately master meter 9 be connected, can provide calibration value by master meter 9 and demarcate.Steel rope 4 of the present utility model is bearing on the fixed pulley 10, fixed pulley 10 is installed on the pulley base 8 by pivot pin, fixed pulley 10 can be rotated, to reduce frictional resistance, the utility model can adopt two fixed pulleys 10 as shown in Figure 1, pulley base 8 be installed in support 5 on the piston rod 6-1 of hydraulic ram 6 be connected, this hydraulic ram 6 can adopt manual control or electronic control, moves on the advancing slip wheel seat 8 in hydraulic ram 6 top, makes fixed pulley 10 steel rope 4 that can stretch reliable and stablely.See Fig. 1, shown in 2, the side-compression sensor 11 of the utility model more than four is installed in sensor respectively and clamps in the mechanism 12, each sensor clamps mechanism 12 and is connected on the steel rope 4 by sling 13, see shown in Fig. 1~4, sensor of the present utility model clamps mechanism 12 and comprises bearing 12-1, frame support 12-2 and depression bar 12-3, see Fig. 3, shown in 4, this frame support has sensor slot 12-24, frame support 12-2 can adopt integral structure, or as Fig. 3, shown in 4, frame support 12-2 comprises back plate 12-21, the package assembly that pipe link 12-22 and pressing plate 12-23 constitute, back plate 12-21 is fixed on the bearing 12-1, back plate 12-21 and bearing 12-1 can adopt integral structure or welding, or connect by fastener, pressing plate 12-23 is connected with back plate 12-21 by the pipe link 12-22 of both sides, install for convenient, this pipe link 12-22 can adopt screw rod, by nut two pipe link 12-22 are installed on back plate 12-21 and the pressing plate 12-23, steel rope 4 passes sensor slot 12-24, it is last and relative with steel rope 4 that depression bar 12-3 is screwed in frame support 12-2, the end of depression bar 12-3 has pressure head 12-31, and preferably the end of depression bar 12-3 is bulb and is equipped with in the pressure head 12-31.The other end has handwheel 12-32, by handwheel 12-32 operation depression bar 12-3 steel rope 4 and side-compression sensor 11 are installed in sensor and clamp mechanism 12, with the pressure reliable action of steel rope 4 on side-compression sensor 11.
See shown in Figure 3ly, the utility model has following locations 12-12 in bearing 12-1 bottom, carry out spacing by inboard facade 12-11 of bearing 12-1 and time locations 12-12 to side-compression sensor 11.The utility model also can be connected with dihedral base 12-13 in the bottom of bearing 12-1, the sling 13 that is installed on the steel rope 4 is connected with dihedral base 12-13 by nut 6, inboard facade 12-11 that can be by bearing 12-1 and the end face of dihedral base 12-13 carry out spacing to side-compression sensor 11, convenience quick for installation.
The utility model is in order to make fixed pulley 10 stable pulling steel rope 4 more, support 5 tops also are connected with guiding mechanism 7, this guiding mechanism 7 by top guide bar seat 7-3, lower guide rod seat 7-1 and be connected top guide bar seat 7-3 and lower guide rod seat 7-1 on plural guide rod 7-2 constitute, can adopt two guide rods, or four guide rods, and pulley base 8 both sides are set on the two guide rod 7-2, and pulley base 8 is reliably moved up and down.
See shown in Figure 2, meter base 17 more than four is installed on the support 5 of the present utility model, respectively corresponding each sensor, meter base 17 is provided with the mounting hole that instrument is installed, be respectively equipped with the source switch 18 to each side-compression sensor 11 and instrument 16 and power supply on the support 5, this support 5 is provided with the signal lamp 15 corresponding to each side-compression sensor 11 and its instrument 16 mode of operations.
See shown in Fig. 1~4, measure timing signal, to be inserted in the sensor slot 12-24 of frame support 12-2 by side-compression sensor 11, side-compression sensor 11 is placed on the bearing 12-1, operation handwheel 12-32, the pressure head 12-31 of depression bar 12-3 end promotes steel rope 4 and embeds in the notch of side-compression sensor 11, clamping finishes, instrument 16 is installed on the meter base 17 of support 5, meter base 17 is connected by the cooresponding instrument 16 of signal wire (SW) and its, energized, operation hydraulic ram 6 make its piston rod 6-1 head on pulley base 8 and drive fixed pulley 10 risings, and steel rope 4 is applied tensile force, the tension force of steel rope 4 is converted into the pressure that side-compression sensor 11 bears, reference sensor 2 is reflected to the pulling force that bears on the master meter 9 simultaneously, when master meter 9 shows that the tension force of steel rope 4 is zero, to instrument 16 inputs and the no weighing signal of storage; The piston of hydraulic ram 6 continues rising stretching steel rope 4, when master meter 9 shows the tension force of steel rope 4 is when expiring weighing, to instrument 16 inputs and the full weighing signal of storage, to measure demarcation and finish, hydraulic ram 6 resets, operation handwheel 12-32, depression bar 12-3 unclamps steel rope 4, extracts side-compression sensor 11 out from frame support 12-2 and gets final product, and cooresponding instrument 16 is pulled down, convenient to operation, increase substantially surveying work efficient.

Claims (3)

1, a kind of caliberating device of load lifting limiter, comprise support (5), reference sensor (2), steel rope (4) and master meter (9), it is characterized in that: also have sensor and clamp mechanism (12) and hydraulic ram (6), the two ends of described steel rope (4) are connected with reference sensor (2) respectively, reference sensor (2) is connected with support (5) bottom, reference sensor (2) is connected with master meter (9) on being installed in support (5) by signal wire (SW), steel rope (4) is bearing on the fixed pulley (10), the pulley base (8) of fixed pulley (10) is installed is connected with hydraulic ram (6) piston rod (6-1) on being installed in support; Sensor more than four clamps mechanism (12) and is connected on the steel rope (4) by sling (13), sensor clamps mechanism (12) and comprises bearing (12-1), frame support (12-2) and depression bar (12-3), frame support (12-2) with sensor slot is connected on the bearing (12-1), steel rope (4) passes the sensor slot, and the depression bar (12-3) that has a pressure head is screwed in that frame support (12-2) is gone up and is relative with steel rope (4); Meter base (14) and source switch (17) more than four are installed on the support (5).
2, the caliberating device of load lifting limiter according to claim 1, it is characterized in that: described support (5) top also is connected with guiding mechanism (7), guiding mechanism (7) by top guide bar seat (7-3), lower guide rod seat (7-1) and be connected top guide bar seat (7-3) and lower guide rod seat (7-1) on two constitute with top guide bar (7-2), pulley base (8) both sides that fixed pulley (10) are installed are set on two guide rods (7-2).
3, the caliberating device of load lifting limiter according to claim 1, it is characterized in that: described frame support comprises back plate (12-21), pipe link (12-22) and pressing plate (12-23), back plate (12-21) is fixed on the bearing (12-1), and pressing plate (12-23) is connected with back plate (12-21) by the pipe link (12-22) of both sides.
CNU2009200354000U 2009-03-20 2009-03-20 Demarcation device of lifting load stopper Expired - Fee Related CN201330132Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200354000U CN201330132Y (en) 2009-03-20 2009-03-20 Demarcation device of lifting load stopper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009200354000U CN201330132Y (en) 2009-03-20 2009-03-20 Demarcation device of lifting load stopper

Publications (1)

Publication Number Publication Date
CN201330132Y true CN201330132Y (en) 2009-10-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2009200354000U Expired - Fee Related CN201330132Y (en) 2009-03-20 2009-03-20 Demarcation device of lifting load stopper

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101513979B (en) * 2009-03-20 2010-12-29 常州市常欣电子衡器有限公司 Calibration method of load lifting limiter and device thereof
CN102288363A (en) * 2011-06-24 2011-12-21 常州市常欣电子衡器有限公司 Device for calibrating force sensor of lifting capacity limiter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101513979B (en) * 2009-03-20 2010-12-29 常州市常欣电子衡器有限公司 Calibration method of load lifting limiter and device thereof
CN102288363A (en) * 2011-06-24 2011-12-21 常州市常欣电子衡器有限公司 Device for calibrating force sensor of lifting capacity limiter
CN102288363B (en) * 2011-06-24 2012-12-12 常州市常欣电子衡器有限公司 Device for calibrating force sensor of lifting capacity limiter

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091021

Termination date: 20140320