CN102507241B - Test equipment of hoisting mechanism - Google Patents
Test equipment of hoisting mechanism Download PDFInfo
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- CN102507241B CN102507241B CN 201110335588 CN201110335588A CN102507241B CN 102507241 B CN102507241 B CN 102507241B CN 201110335588 CN201110335588 CN 201110335588 CN 201110335588 A CN201110335588 A CN 201110335588A CN 102507241 B CN102507241 B CN 102507241B
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- 238000009434 installation Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 abstract description 4
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Abstract
The test equipment of hoist mechanism, this test equipment includes: a base (100), a winding mechanism and a tower (200) vertically erected on the base (100) and having a pulley mechanism, the winding mechanism comprising: the device comprises a rotary driving device (300) which is arranged on the base (100) and is positioned adjacent to the first side of the tower (200), a steel wire rope (400) which is connected with the rotary driving device at one end and extends to the second side opposite to the tower (200) by bypassing the pulley mechanism of the tower (200), a counterweight (500) which is suspended by the other end of the steel wire rope (300), and a controller which is electrically connected with the rotary driving device (300). Through adjusting different counter weights and/or selecting different running states of the rotary driving device, the detection under various working conditions can be carried out on the hoisting mechanism on the test equipment, so that the limitation of a single complete machine is broken through, the test cost is reduced, and the test efficiency is improved.
Description
Technical field
The present invention relates to a kind of all-around test stand, particularly, relate to the testing equipment of hoisting mechanism.
Background technology
In engineering practice, hoisting mechanism has a wide range of applications, and is for example using in a large number the hoisting mechanism of various tonnages in various hoisting devices.
At present, before being arranged on applied workplace, hoisting mechanism normally is directly installed on the installation site of concrete complete machine, to carry out various tests.Yet, this traditional test method is limited by the operating mode of concrete complete machine, thereby can not adjust neatly various operating mode, so that hoisting mechanism is tested, usually need to carry out experimental test with different operating modes to hoisting mechanism on different complete machines, cause that experimentation cost is higher and work efficiency is lower.
Therefore, how to realize a kind ofly can carrying out integrative test to hoisting mechanism, the test unit can under different operating modes, hoisting mechanism being tested becomes this area technical issues that need to address.
Summary of the invention
The testing equipment that the purpose of this invention is to provide a kind of hoisting mechanism, the testing equipment of hoisting mechanism can carry out integrative test to hoisting mechanism under different operating modes.
to achieve these goals, the invention provides a kind of testing equipment of hoisting mechanism, this testing equipment comprises: base, hoisting mechanism and vertically be built up on this base and have the pylon of pulley mechanism, described hoisting mechanism comprises: be arranged on described base and be positioned at the rotating driving device of described pylon the first side adjacent position, one end connects with this rotating driving device and walks around the pulley mechanism of described pylon and extend to the wire rope of the second relative side of described pylon, by the counterweight of the other end of described wire rope suspention and the controller that is electrically connected to described rotating driving device.
Preferably, described rotating driving device comprises rotating cylinder and is electrically connected to and can drives the driver of this rotating cylinder rotation with described controller, and a described end of described wire rope is fixed on described rotating cylinder and at least a portion of described wire rope is wrapped on described rotating cylinder.
Preferably, described rotating driving device is a plurality of, and the driver of each rotating driving device is dissimilar driver.
Preferably, described testing equipment also comprises the guiding fixed pulley that can guide described wire rope, this guiding fixed pulley is arranged on described base and between described rotating driving device and described pylon, described wire rope passes through the below of described guiding fixed pulley and extends upward.
Preferably, to be arranged on the position on described base be adjustable to described guiding fixed pulley.
Preferably, described wire rope is through the guiding of described guiding fixed pulley and upwardly extending part is vertically extended.
Preferably, described pulley mechanism comprises the first fixed pulley, the second fixed pulley and tower top fixed pulley, described the first fixed pulley is positioned at the top of described pylon and is arranged on described first side of described pylon, described the second fixed pulley is positioned at the top of described pylon and is arranged on described second side of described pylon, described tower top fixed pulley is positioned at the top of described pylon and is arranged on the centre position of described the first fixed pulley and the second fixed pulley, and described wire rope is walked around described the first fixed pulley, the second fixed pulley and described tower top fixed pulley and extended.
Preferably, this testing equipment also comprises the Weight detector for detection of the load of described wire rope, this Weight detector is arranged on the top of described pylon, described controller is electrically connected to described Weight detector, and controls the operation of described driver or stop according to the testing result of described Weight detector.
Preferably, this testing equipment comprises the mounting bracket that is fixedly installed on described tower top, and described tower top fixed pulley is arranged on described mounting bracket by described Weight detector.
Preferably, this testing equipment also comprises Anti-over-hoisting device, this Anti-over-hoisting device is arranged on described second side of described pylon and is positioned at the below of described the second fixed pulley, and described wire rope passes through described the second fixed pulley and passes described Anti-over-hoisting device and extends downwardly into described counterweight.
Preferably, described testing equipment also comprises the support pulley mechanism, this support pulley mechanism comprises bracing frame and support pulley, support frame as described above is arranged on the middle part of described pylon and described first side-prominent from described pylon, described support pulley is by the end portion supports of support frame as described above, and described wire rope is walked around described support pulley and extended.
Preferably, support frame as described above is can be vertically adjustable in the installation site of described first side of described pylon; And/or support frame as described above is adjustable from described first of described pylon the side-prominent height.
Preferably, described testing equipment also comprises guide and connecting rod, and described guide vertically is arranged at the second side of described pylon, and the first end of described connecting rod is connected in described counterweight, and the second end of described connecting rod is connected in described guide slidably.
Preferably, the length of described connecting rod is adjustable.
Preferably, described connecting rod comprises the first bar with described first end, the second bar with described second end and is connected in described the first bar and is connected in the intermediate bar of described the second bar by the another one in right-hand thread and left-hand thread (LHT) by the one in left-hand thread (LHT) and right-hand thread.
Preferably, described intermediate bar is threaded line pipe.
Preferably, described connecting rod is telescopic.
Preferably, described guide is guide steel wire rope, and described second end of described connecting rod forms annular, and described guide steel wire rope passes this annular and extends.
Pass through technique scheme, by adjusting the different running status of different counterweights and/or selection rotating driving device, can carry out detection under the various working condition to hoisting mechanism on this testing equipment, thereby break through the restriction of single complete machine, reduce experimentation cost and improve test efficiency, and then realizing goal of the invention.
Other features and advantages of the present invention will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and consists of the part of instructions, is used from explanation the present invention with following embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the one-piece construction schematic diagram according to the testing equipment of hoisting mechanism of the present invention;
Fig. 2 be in Fig. 1 Weight detector structural representation is set;
Fig. 3 is the structural representation of Fig. 1 intermediate support frame pulley mechanism; And
Fig. 4 is the structural representation of preferred implementation that connects the connecting rod of guide and counterweight in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that do opposite explanation, the orientation of the noun of locality of use after " upper and lower " typically refers to testing equipment installation of the present invention.
as shown in Figure 1, comprise according to the testing equipment of hoisting mechanism of the present invention: base 100, hoisting mechanism and vertically be built up on this base 100 and have the pylon 200 of pulley mechanism, described hoisting mechanism comprises: be arranged on described base 100 and be positioned at the rotating driving device 300 of described pylon 200 first side adjacent positions, one end connects with this rotating driving device 300 and walks around the pulley mechanism of described pylon 200 and extend to the wire rope 400 of the second relative side of described pylon 200, by the counterweight 500 of the other end of described wire rope 300 suspention and the controller that is electrically connected to described rotating driving device 300.
Base 100 is installed the basis for above-mentioned testing equipment provides.Usually base 100 is ground, arranges with reliable firmly installation of guaranteeing testing equipment.Pylon 200 is fixing vertically to be built up on base 100, and pylon 200 has pulley mechanism, and the winding of thinking the wire rope of hoisting mechanism is extended provides the space.Pylon 200 is generally modularization (pylon 200 generally comprises the hoisting rack at a plurality of standard knots and top) assembling and forms, thereby the parameters such as height of pylon 200 adjusted design according to actual needs and in addition.Known in the art about being assembled into of pylon 200, be not described in detail here.
As shown in Figure 2, described hoisting mechanism comprises: be arranged on described base 100 and be positioned at the rotating driving device 300 of described pylon 200 first side adjacent positions.Rotating driving device 300 is fixedly installed on base 100, and the installation site of this rotating driving device 300 is adjacent with described pylon 200, so that wire rope 400 extends to the pulley mechanism of pylon 200.
One end of wire rope 400 is connected with rotating driving device, thereby can be pulled by this rotating driving device, and the other end of wire rope 400 is connected in counterweight 500, transfers by rotating driving device is positive and negative rising and the decline that realizes counterweight 500.
The controller (not shown) is electrically connected to described rotating driving device, thereby controls the action of this rotating driving device, as starting, accelerate, slow down, stop etc.Described controller can be PLC, single-chip microcomputer or microcomputer etc.
By above, testing equipment according to hoisting mechanism of the present invention is described as can be known, by adjusting the different running status of different counterweights and/or selection rotating driving device, can carry out detection under the various working condition to hoisting mechanism on this testing equipment, thereby break through the restriction of single complete machine, reduce experimentation cost and improve test efficiency, and then realizing goal of the invention.
Described rotating driving device 300 can comprise rotating cylinder 301, is fixed on described rotating cylinder 301 and at least a portion of described wire rope 400 is wrapped on described rotating cylinder 301 with the described end of permission with wire rope 400.Driver 302 is used for driving rotating cylinder 301 and rotates, thereby realizes the winding of wire rope 400 and unclamp.Driver 302 can be the various devices that rotary power can be provided, thereby can drive this rotating cylinder 301 rotations, as motor, oil motor or engine etc.
Rotating driving device can be one, but under preferable case, as shown in Figure 1, described rotating driving device 300 is a plurality of, the driver 302 of each rotating driving device be dissimilar driver (for example, the driver of a rotating driving device is motor, and the driver of another rotating driving device is oil motor), thus can test hoisting mechanism under different working conditions.
For the ease of guiding steel wire rope 400, as shown in Figure 1, preferably, described testing equipment also comprises the guiding fixed pulley 303 that can guide described wire rope 400, this guiding fixed pulley 303 is arranged on described base 100 and between described rotating driving device 300 and described pylon 200, described wire rope 400 passes through the below of described guiding fixed pulleys 303 and extends upward.This guiding fixed pulley 303 can play the bearing of trend of guiding steel wire rope 400, wire rope 400 is extended along predetermined path, thereby be adapted to different operating modes.
In order to adjust more flexibly the applying working condition of test hoisting mechanism, preferably, the position that described guiding fixed pulley 303 is arranged on described base 100 is adjustable, thereby the extension path of wire rope 400 also can be adjusted according to different operating modes.
Under preferable case, as shown in Figure 1, described wire rope 400 is through the guiding of described guiding fixed pulleys 303 and upwardly extending part is vertically extended.But the present invention is not limited to this, and described wire rope 400 is through the guiding of described guiding fixed pulleys 303 and upwardly extending part also can be extended along the direction that favours vertical direction.
as mentioned above, be provided with pulley mechanism on pylon 200, this pulley mechanism can be a fixed pulley, but a plurality of pulleys are arranged preferably, as shown in Figure 1, the described pulley mechanism of described pylon 200 comprises the first fixed pulley 201, the second fixed pulley 202 and tower top fixed pulley 203, described the first fixed pulley 201 is positioned at the top of described pylon 200 and is arranged on described first side of described pylon 200, described the second fixed pulley 202 is positioned at the top of described pylon 200 and is arranged on described second side of described pylon 200, described tower top fixed pulley 203 is positioned at the top of described pylon 200 and is arranged on the centre position of described the first fixed pulley 201 and the second fixed pulley 202, described wire rope 400 is walked around described the first fixed pulley 201, the second fixed pulley 202 and described tower top fixed pulley 203 extend.Utilize this pulley mechanism, the load of supporting steel-cable 400 more equably, thereby make wire rope 400 in moving process comparatively steadily and safety.
Certainly, the setting of pulley mechanism is not limited to this, for example can also be provided with more pulleys, as four.
Under preferable case, as shown in Figure 1, described testing equipment also comprises the Weight detector 206 for detection of the load of described wire rope 400, this Weight detector 206 is arranged on the top of described pylon 200, described controller is electrically connected to described Weight detector 206, and controls the operation of described driver 302 or stop according to the testing result of described Weight detector 206.
This Weight detector 206 by directly or indirectly to the detection of the stressing conditions of wire rope 400, thereby obtain the load information of wire rope 400, and will represent that the electric signal of this load information sends to controller.This controller is controlled the operation of driver 302 or stops according to this electric signal again.For example, if Weight detector 206 judgement overload, controller can make driver 302 slow down or be out of service; If Weight detector 206 judgement non-overloadings, controller can make driver 302 keep normal operation.
Under preferable case, as shown in Figure 1, this testing equipment also comprises Anti-over-hoisting device 205, described the second side that this Anti-over-hoisting device 205 is arranged on described pylon 200 (namely, one side at counterweight 500 places) and be positioned at the below of described the second fixed pulley 202, described wire rope 400 is through described the second fixed pulleys 202 and pass described Anti-over-hoisting device 205 and extend downwardly into described counterweight 500.
By Anti-over-hoisting device 205 is set, the position that can prevent counterweight 500 is too high and bring danger.Anti-over-hoisting device can have various structures, as being platform or flat board or the framed structure etc. of stretching out from pylon 200, as long as can allow the movement that wire rope 400 passes does not affect wire rope 400.
In addition, be provided with the travel switch (not shown) on pylon 200, the trip switch is electrically connected to described controller, for detection of the position, stroke end of counterweight 500, thereby plays the effect of safeguard protection.Travel switch can be various traditional travel switches.
Preferably, as shown in figures 1 and 3, described testing equipment also comprises support pulley mechanism 600, this support pulley mechanism 600 comprises bracing frame 601 and support pulley 602, support frame as described above 601 is arranged on the middle part of described pylon 200 and described first side-prominent from described pylon 200, described support pulley 602 is by the end portion supports of support frame as described above 601, and described wire rope 400 is walked around described support pulley 602 and extended.
The bracing frame 601 of vehicle frame pulley mechanism 600 is arranged on the middle part of first side (as shown in Figure 1) of pylon 200, and outwards outstanding.Wire rope 400 is in the outside of described support pulley 602 or inboard and walk around described support pulley 602, thereby by adjusting orientation and/or the dimensional parameters of vehicle frame pulley mechanism 600, can adjust the rope stretching angle of wire rope 400, in orientation shown in Figure 1, this rope stretching angle refers to the part of the described vehicle frame pulley mechanism 600 of extending beyond of wire rope and the angle between vertical direction.By regulating the rope stretching angle, can simulate the working condition of hoisting mechanism under various working conditions, thereby more fully hoisting mechanism be tested.
The adjustment of vehicle frame pulley mechanism 600 can be various ways.For example, can select the vehicle frame pulley mechanism 600 of different size parameter.In order to realize more neatly the adjustment of rope stretching angle, support frame as described above 601 is can be vertically adjustable in the installation site of described first side of described pylon 200 but preferably; And/or support frame as described above 601 from described first of described pylon 200 the side-prominent height be adjustable (for example, bracing frame 601 comprises the three-link mechanism of this height of capable of regulating, perhaps bracing frame 601 can be driven by mobile device and move, and the power of this mobile device can come from the power sources such as motor or oil motor).
As shown in Figure 1, counterweight 500 is suspended in the second side of pylon 200, in order to limit the shaking degree of counterweight 500, to obtain desirable safe reliability, preferably as shown in Figure 1, described testing equipment also comprises guide 701 and connecting rod 702, and described guide 701 vertically is arranged at the second side of described pylon 200, the first end of described connecting rod 702 is connected in described counterweight 500, and the second end of described connecting rod 702 is connected in described guide 701 slidably.
Guide 701 vertically is arranged on the second side of pylon 200, namely is positioned at the position adjacent with counterweight 500, is connected with connecting rod 702 between guide 701 and counterweight 500, and connecting rod 702 can be connected in described guide 701 slidably.Therefore, in the process that counterweight 500 is moving up and down, counterweight 500 can also be subject to the restriction of connecting rod 702, thereby within effectively the shaking degree of counterweight 500 being limited in allowed band.
In order to be adapted to different working condition requirements, preferably, the length of described connecting rod 702 is adjustable.Thereby connecting rod 702 can either be applicable to various testing equipment neatly, concerning same testing equipment, can also adjust the limited degree of 702 pairs of counterweights 500 of connecting rod.
Can realize in several ways that connecting rod 702 has adjustable length.
As shown in Figure 4, described connecting rod 702 comprises the first bar 7021 with described first end, the second bar 7022 with described second end and is connected in described the first bar 7021 and is connected in the intermediate bar 7023 of described the second bar 7022 by the another one in right-hand thread and left-hand thread (LHT) by the one in left-hand thread (LHT) and right-hand thread.
Because intermediate bar 7023 is connected in the first bar 7021 by the one in left-hand thread (LHT) and right-hand thread, and be connected in the second bar 7022 by the another one in right-hand thread and left-hand thread (LHT), thereby by rotating intermediate bar 7023 along different sense of rotation, can adjust the entire length of connecting rod 702.
For another example, described connecting rod 702 can be telescopic (as comprising a plurality of nested sleeve pipes each other).
Guide 701 can have various ways, for example can be the chute that vertically arranges, and described second end of connecting rod 702 can form slide block, and this slide block is limited in described chute slidably.Therefore, when counterweight 500 moved up and down, the first end of connecting rod 702 was along with counterweight 500 moves, and the second end of connecting rod 702 slides up and down along this chute in chute simultaneously.
But preferably, as shown in Figure 1 and Figure 4, described guide 701 is guide steel wire rope, and described second end of described connecting rod 702 forms annular 703, and described guide steel wire rope passes this annular 703 and extends.Therefore, when counterweight 500 moved up and down, the first end of connecting rod 702 was along with counterweight 500 moves, and the annular 703 of the second end of connecting rod 702 slides up and down along guide steel wire rope simultaneously.Guide 701 is can the be more convenient for slip of connecting rod 702 of the form of guide steel wire rope.
Guide steel wire rope can be arranged on pylon 200 in many ways, for example can utilize fixed hook, also can be by the mode of binding.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove in addition, each the concrete technical characterictic described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode, and is not limited to the adduction relationship of every claim in claims.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (17)
1. the testing equipment of hoisting mechanism, this testing equipment comprises: base (100), hoisting mechanism and vertically be built up in the pylon (200) that pulley mechanism was gone up and had to this base (100), described hoisting mechanism comprises: be arranged on the rotating driving device (300) that described pylon (200) first side adjacent positions were gone up and be positioned to described base (100), one end connects with this rotating driving device and walks around the pulley mechanism of described pylon (200) and extend to the wire rope (400) of the second relative side of described pylon (200), by the counterweight (500) of the other end of described wire rope (300) suspention and the controller that is electrically connected to described rotating driving device (300),
It is characterized in that, described pulley mechanism comprises the first fixed pulley (201) and the second fixed pulley (202), described the first fixed pulley (201) is positioned at the top of described pylon (200) and is arranged on described first side of described pylon (200), described the second fixed pulley (202) is positioned at the top of described pylon (200) and is arranged on described second side of described pylon (200), described the first fixed pulley (201) walked around by described wire rope (400) and the second fixed pulley (202) extends
And described testing equipment also comprises Anti-over-hoisting device (205), this Anti-over-hoisting device (205) is arranged on described second side of described pylon (200) and is positioned at the below of described the second fixed pulley (202), and described wire rope (400) passes through described the second fixed pulley (202) and passes described Anti-over-hoisting device (205) and extends downwardly into described counterweight (500).
2. testing equipment according to claim 1, it is characterized in that, described rotating driving device (300) comprises rotating cylinder (301) and is electrically connected to and can drives the driver (302) of this rotating cylinder (301) rotation with described controller, and a described end of described wire rope (400) is fixed on described rotating cylinder (301) and goes up and make at least a portion of described wire rope (400) to be wrapped on described rotating cylinder (301).
3. testing equipment according to claim 2, is characterized in that, described rotating driving device is a plurality of, and the driver of each rotating driving device (302) is dissimilar driver.
4. testing equipment according to claim 1, it is characterized in that, described testing equipment also comprises the guiding fixed pulley (303) that can guide described wire rope (400), this guiding fixed pulley (303) is arranged on described base (100) and goes up and be positioned between described rotating driving device (300) and described pylon (200), and described wire rope (400) passes through the below of described guiding fixed pulley (303) and extends upward.
5. testing equipment according to claim 4, is characterized in that, the position that described guiding fixed pulley (303) is arranged on described base (100) is adjustable.
6. testing equipment according to claim 4, is characterized in that, described wire rope (400) through described guiding fixed pulley (303) guiding and upwardly extending part is vertically extended.
7. testing equipment according to claim 1, it is characterized in that, described pulley mechanism also comprises tower top fixed pulley (203), described tower top fixed pulley (203) is positioned at the top of described pylon (200) and is arranged on described the first fixed pulley (201) and the centre position of the second fixed pulley (202), and described wire rope (400) is walked around described the first fixed pulley (201), the second fixed pulley (202) and described tower top fixed pulley (203) and extended.
8. testing equipment according to claim 7, it is characterized in that, this testing equipment also comprises the Weight detector (206) for detection of the load of described wire rope (400), this Weight detector (206) is arranged on the top of described pylon (200), described controller is electrically connected to described Weight detector (206), and controls the operation of described driver (302) or stop according to the testing result of described Weight detector (206).
9. testing equipment according to claim 8, it is characterized in that, this testing equipment comprises the mounting bracket (204) that is fixedly installed on described pylon (200) top, and described tower top fixed pulley (203) is arranged on described mounting bracket (204) by described Weight detector (206).
10. testing equipment according to claim 1, it is characterized in that, described testing equipment also comprises support pulley mechanism (600), this support pulley mechanism (600) comprises bracing frame (601) and support pulley (602), support frame as described above (601) is arranged on the middle part of described pylon (200) and described first side-prominent from described pylon (200), described support pulley (602) is by the end portion supports of support frame as described above (601), and described wire rope (400) is walked around described support pulley (602) and extended.
11. testing equipment according to claim 10 is characterized in that, support frame as described above (601) is can be vertically adjustable in the installation site of described first side of described pylon (200); And/or support frame as described above (601) is adjustable from described first of described pylon (200) the side-prominent height.
12. testing equipment according to claim 1, it is characterized in that, described testing equipment also comprises guide (701) and connecting rod (702), described guide (701) vertically is arranged at the second side of described pylon (200), the first end of described connecting rod (702) is connected in described counterweight (500), and the second end of described connecting rod (702) is connected in described guide (701) slidably.
13. testing equipment according to claim 12 is characterized in that, the length of described connecting rod (702) is adjustable.
14. testing equipment according to claim 13, it is characterized in that, described connecting rod (702) comprises the first bar (7021) with described first end, the second bar (7022) with described second end and is connected in described the first bar (7021) and is connected in the intermediate bar (7023) of described the second bar (7022) by the another one in right-hand thread and left-hand thread (LHT) by the one in left-hand thread (LHT) and right-hand thread.
15. testing equipment according to claim 14 is characterized in that, described intermediate bar (7023) is threaded line pipe.
16. testing equipment according to claim 13 is characterized in that, described connecting rod (702) is telescopic.
17. the described testing equipment of any one according to claim 12-16, it is characterized in that, described guide (701) is guide steel wire rope, and described second end of described connecting rod (702) forms annular (703), and described guide steel wire rope passes this annular (703) and extends.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110335588 CN102507241B (en) | 2011-10-28 | 2011-10-28 | Test equipment of hoisting mechanism |
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| CN 201110335588 CN102507241B (en) | 2011-10-28 | 2011-10-28 | Test equipment of hoisting mechanism |
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| CN102507241A CN102507241A (en) | 2012-06-20 |
| CN102507241B true CN102507241B (en) | 2013-05-08 |
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| CN104034543B (en) * | 2014-05-16 | 2016-07-06 | 中联重科股份有限公司 | Test system and test method of hoisting mechanism |
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|---|---|---|---|---|
| SU586352A1 (en) * | 1976-08-09 | 1977-12-30 | Центральное Конструкторское Бюро "Строймаш" | Stand for testing winches |
| CN201680961U (en) * | 2010-03-17 | 2010-12-22 | 杭州科曼萨杰牌建设机械有限公司 | Work condition simulation test device of tower type crane revolving mechanism |
| CN202255868U (en) * | 2011-10-28 | 2012-05-30 | 中联重科股份有限公司 | Test equipment of hoisting mechanism |
-
2011
- 2011-10-28 CN CN 201110335588 patent/CN102507241B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU586352A1 (en) * | 1976-08-09 | 1977-12-30 | Центральное Конструкторское Бюро "Строймаш" | Stand for testing winches |
| CN201680961U (en) * | 2010-03-17 | 2010-12-22 | 杭州科曼萨杰牌建设机械有限公司 | Work condition simulation test device of tower type crane revolving mechanism |
| CN202255868U (en) * | 2011-10-28 | 2012-05-30 | 中联重科股份有限公司 | Test equipment of hoisting mechanism |
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| Publication number | Publication date |
|---|---|
| CN102507241A (en) | 2012-06-20 |
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