CN205045717U - Rubber -tired crane weighing system and rubber -tired crane - Google Patents
Rubber -tired crane weighing system and rubber -tired crane Download PDFInfo
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- CN205045717U CN205045717U CN201520772834.4U CN201520772834U CN205045717U CN 205045717 U CN205045717 U CN 205045717U CN 201520772834 U CN201520772834 U CN 201520772834U CN 205045717 U CN205045717 U CN 205045717U
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- force sensor
- weighing system
- pulling force
- tyre crane
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Abstract
The utility model provides a rubber -tired crane weighing system, including car frame body, with car frame body fixed connection's reel, with car frame body articulated standing block, with car frame body articulated cantilever crane, still include: with the first connecting block of standing block articulated, with the articulated force sensor of first connecting block, force sensor articulated second connecting block, the running block of unsettled setting, top ping lift, top ping lift one end and reel fixed connection, the other end and second connecting block fixed connection, top ping lift twines between standing block and running block after the reel winding is come out in proper order. The utility model also provides a rubber -tired crane. The utility model provides a rubber -tired crane weighing system simplifies atress analytic system moment model, can realize with the force sensor of less range improving the precision of weighing simultaneously to the weighing of load, reduces product cost, simplifies debugging technology, the dismouting of being convenient for, maintenance.
Description
Technical field
The utility model relates to engineering machinery field, more specifically, relates to a kind of tyre crane weighing system and tyre crane.
Background technology
Tyre crane Weighing mechanism adopts pulling force sensor or press type sensor usually, obtaining load weight, mainly containing following several form by simply converting:
1) as shown in Figure 1, adopt pulling type sensor, sensor is positioned over jib head simultaneously, pulling force sensor 2 is by connecting plate A1' and being connected plate B3' and being arranged on the steel rope of jib head, adopt the Weighing mechanism of this form, be not suitable for radix multiplying power, the range required for sensor is larger, higher to the requirement of sensor, cost is higher; And more change steel rope, Fang Tai easily make sensor be collided when bending down jib;
2) as shown in Figure 2, adopt pulling type sensor, sensor is positioned over fixed pulley afterbody pull bar, pulling force sensor 2 is positioned on fixed pulley afterbody pull bar simultaneously, this weighing system is adopted to there is following shortcoming: affect comparatively large by luffing fixed pulley, movable pulley winding degree, testing and measuring technology is complicated; System model relative complex; Range required for sensor is comparatively large, and precision reduces relatively.
Therefore, a kind of tyre crane weighing system is provided, simplify force analysis system moment model, can use and realize weighing to load compared with the pulling force sensor of small-range, improve weighing precision simultaneously, reduce cost of product, simplify testing and measuring technology, being convenient to dismounting, maintenance, is problem to be solved in the utility model.
Utility model content
Technical problem to be solved in the utility model is, a kind of tyre crane weighing system is provided, simplify force analysis system moment model, weighing to load can be realized with the pulling force sensor compared with small-range, improve weighing precision simultaneously, reduce cost of product, simplify testing and measuring technology, be convenient to dismounting, maintenance.
In view of this, the utility model provides a kind of tyre crane weighing system, comprises vehicle frame, the reel be fixedly connected with described vehicle frame, the fixed pulley group hinged with described vehicle frame, the jib hinged with described vehicle frame, also comprises: first contiguous block hinged with described fixed pulley group; With the hinged pulling force sensor of described first contiguous block; Second contiguous block hinged with described pulling force sensor; The running block of unsettled setting; Variable-amplitude steel wire rope, described variable-amplitude steel wire rope one end is fixedly connected with described reel, and the other end is fixedly connected with described second contiguous block, and described variable-amplitude steel wire rope is wound around successively after reel is wound around out between described fixed pulley group and described running block.
Preferably, described pulling force sensor is drawplate type pulling force sensor.
Preferably, described first connecting panel is fixedly connected with by bearing pin with described pulling force sensor, and described second connecting panel is fixedly connected with by bearing pin with described pulling force sensor.
Preferably, described variable-amplitude steel wire rope is wound in 12 strands between described fixed pulley group and described running block.
Preferably, described fixed pulley group comprises 5 fixed pulleys, and what arrange in the end close with described first connecting panel is a fixed pulley, and all the other 4 fixed pulleys divide two-layer being up and down symmetrical arranged.
Preferably, described running block comprises 6 movable pulleys, and described 6 movable pulleys divide two-layer being up and down symmetrical arranged.
The utility model also provides a kind of tyre crane, comprises the tyre crane weighing system described in above-mentioned arbitrary technical scheme.
The technical scheme that the utility model provides, provides a kind of tyre crane weighing system, reduced moment model force analysis system, can use and realize weighing to load compared with the pulling force sensor of small-range, improve weighing precision simultaneously, reduce cost of product, simplify testing and measuring technology, be convenient to dismounting, maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of tyre crane weighing system in prior art;
Fig. 2 is the structural representation of another tyre crane weighing system in prior art;
Fig. 3 be the utility model the structural representation of tyre crane weighing system one embodiment is provided;
Fig. 4 be the utility model the structural representation of tyre crane weighing system one embodiment is provided;
Wherein, the corresponding relation in Fig. 1 to 4 between Reference numeral and component names is:
1' connects plate A, and 3' connects plate B, 10 tyre crane weighing systems, 1 first contiguous block, 2 pulling force sensors, 3 second contiguous blocks.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt and be different from other modes described here and implement, and therefore, protection domain of the present utility model is by the restriction of following public specific embodiment.
Fig. 3 and 4 shows the structural representation of tyre crane weighing system one embodiment provided by the utility model, as shown in Figures 3 and 4, tyre crane weighing system provided by the utility model, comprise vehicle frame, the reel be fixedly connected with described vehicle frame, the fixed pulley group hinged with described vehicle frame, the jib hinged with described vehicle frame, also comprises: first contiguous block hinged with described fixed pulley group; With the hinged pulling force sensor of described first contiguous block; Second contiguous block hinged with described pulling force sensor; The running block of unsettled setting; Variable-amplitude steel wire rope, described variable-amplitude steel wire rope one end is fixedly connected with described reel, the other end is fixedly connected with described second contiguous block, described variable-amplitude steel wire rope is from after reel is wound around out, be wound around between described fixed pulley group and described running block successively, be finally fixedly connected with described second contiguous block.Remove tight steel rope, one end is fixedly connected with described running block, and the other end is fixedly connected with described jib.
Variable-amplitude steel wire rope is wound in N stock between fixed pulley group and running block, the then 1/N of the variable-amplitude steel wire rope load of bearing and whole width power, pulling force sensor is connected between variable-amplitude steel wire rope end and fixed pulley group one end by the first contiguous block and the second contiguous block, then the pulling force that the pulling force that pulling force sensor bears namely bears with variable-amplitude steel wire rope is consistent.Therefore, the measurement to luffing power can be realized with the pulling force sensor compared with small-range, thus realize weighing to load.
The position that tyre crane weighing system provided by the utility model is arranged, makes the moment model of force analysis system be simplified, and sensor signal interference is little, improves weighing precision; Use and can also reduce cost of product compared with the sensor of small-range; This weighing system also simplify testing and measuring technology simultaneously, is convenient to dismounting, maintenance.
For the embodiment shown in Fig. 3 and Fig. 4, described variable-amplitude steel wire rope is wound in 12 strands between described fixed pulley group and described running block; Described fixed pulley group comprises 5 fixed pulleys, and what arrange in the end close with described first connecting panel is a fixed pulley, and all the other 4 fixed pulleys divide two-layer being up and down symmetrical arranged; Described running block comprises 6 movable pulleys, and described 6 movable pulleys divide two-layer being up and down symmetrical arranged.In the technical scheme that this embodiment provides, variable-amplitude steel wire rope is wound in 12 strands between fixed pulley group and running block, the then load weight that bears of steel rope that is 1/12, relative to the weighing system that prior art provides, the range that LOAD CELLS will require reduces greatly, therefore, weighing precision obtains certain raising, and the cost of product is also reduced.
In technique scheme, described pulling force sensor can be drawplate type pulling force sensor or other pulling force sensor, concrete structure does not limit, as shown in Figure 4, described first connecting panel is fixedly connected with by bearing pin with described pulling force sensor, and described second connecting panel is fixedly connected with by bearing pin with described pulling force sensor.
The utility model also provides a kind of tyre crane, comprises the tyre crane weighing system described in above-mentioned arbitrary technical scheme.
The technical scheme that the utility model provides, provides a kind of tyre crane weighing system, simplifies force analysis system moment model, weighing to load can be realized with the pulling force sensor compared with small-range, improve weighing precision simultaneously, reduce cost of product, simplify testing and measuring technology, be convenient to dismounting, maintenance.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a tyre crane weighing system, comprises vehicle frame, the reel be fixedly connected with described vehicle frame, the fixed pulley group hinged with described vehicle frame, the jib hinged with described vehicle frame, is characterized in that, also comprise: first contiguous block hinged with described fixed pulley group; With the hinged pulling force sensor of described first contiguous block; Second contiguous block hinged with described pulling force sensor;
The running block of unsettled setting;
Variable-amplitude steel wire rope, described variable-amplitude steel wire rope one end is fixedly connected with described reel, and the other end is fixedly connected with described second contiguous block, and described variable-amplitude steel wire rope is wound around successively after reel is wound around out between described fixed pulley group and described running block.
2. tyre crane weighing system according to claim 1, is characterized in that, described pulling force sensor is drawplate type pulling force sensor.
3. tyre crane weighing system according to claim 1, is characterized in that, described pulling force sensor is pin type pulling force sensor.
4. tyre crane weighing system according to claim 1, is characterized in that, described first connecting panel is fixedly connected with by bearing pin with described pulling force sensor, and described second connecting panel is fixedly connected with by bearing pin with described pulling force sensor.
5. tyre crane weighing system according to claim 1, is characterized in that, described variable-amplitude steel wire rope is wound in 12 strands between described fixed pulley group and described running block.
6. tyre crane weighing system according to claim 5, is characterized in that, described fixed pulley group comprises 5 fixed pulleys, and what arrange in the end close with described first connecting panel is a fixed pulley, and all the other 4 fixed pulleys divide two-layer being up and down symmetrical arranged.
7. tyre crane weighing system according to claim 5, is characterized in that, described running block comprises 6 movable pulleys, and described 6 movable pulleys divide two-layer being up and down symmetrical arranged.
8. a tyre crane, is characterized in that, comprises tyre crane weighing system as claimed in any of claims 1 to 7 in one of claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520772834.4U CN205045717U (en) | 2015-10-08 | 2015-10-08 | Rubber -tired crane weighing system and rubber -tired crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520772834.4U CN205045717U (en) | 2015-10-08 | 2015-10-08 | Rubber -tired crane weighing system and rubber -tired crane |
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| Publication Number | Publication Date |
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| CN205045717U true CN205045717U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520772834.4U Active CN205045717U (en) | 2015-10-08 | 2015-10-08 | Rubber -tired crane weighing system and rubber -tired crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356368A (en) * | 2017-07-10 | 2017-11-17 | 蚌埠日月仪器研究所有限公司 | Axial pin type pull pressure sensor calibration tool |
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2015
- 2015-10-08 CN CN201520772834.4U patent/CN205045717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356368A (en) * | 2017-07-10 | 2017-11-17 | 蚌埠日月仪器研究所有限公司 | Axial pin type pull pressure sensor calibration tool |
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