CN104085786A - Hoisting mechanism mass balance devices of single-track low-clearance steel wire rope electric hoist - Google Patents
Hoisting mechanism mass balance devices of single-track low-clearance steel wire rope electric hoist Download PDFInfo
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- CN104085786A CN104085786A CN201410314124.7A CN201410314124A CN104085786A CN 104085786 A CN104085786 A CN 104085786A CN 201410314124 A CN201410314124 A CN 201410314124A CN 104085786 A CN104085786 A CN 104085786A
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- hoisting mechanism
- balance
- balancing
- elastic force
- studdle
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Abstract
The invention discloses hoisting mechanism mass balance devices of a single-track low-clearance steel wire rope electric hoist. The hoisting mechanism mass balance devices are arranged on two suspended beams in pairs. Each hoisting mechanism mass balance device comprises a balance rack, a balance axle component with a balance pulley, and an elastic force fine adjustment component, wherein the balance rack is provided with a bottom sleeve, balance shaft holes and a pivot hole in the bottom, middle and top, respectively; a turning head is pivoted to the pivot hole; the balance axle component is rotatably arranged at the balance shaft holes; the bottom sleeve sleeves the suspended beams in an axially positioning manner and corresponds to a driving wheel; the elastic force fine adjustment component comprises a supporting screw rod, and an elastic piece and an adjusting nut which are respectively screwed to the supporting screw rod in a sleeving manner; the upper end of the supporting screw rod penetrates through a central hole of the turning head, and the lower end of the supporting screw rod is fixed on the inner side of a main wallboard; the elastic force fine adjustment component converts the elastic force into upper pressure of the balance pulley on a single-track lower-wing bottom surface in a gradient mode according to the hoisting mechanism mass. According to the scheme, a counter weight is omitted, the dead weight of the electric hoist adopting the mass balance device and the balance of the electric hoist in the no-load walking period can be ensured.
Description
[technical field]
The hoisting mechanism balancing of mass device that the present invention relates to a kind of single track low clearance armored rope electric hoist, belongs to elevator machinery technical field.
[background technology]
It has typical tandem type layout CD1 shaped steel wire rope electric block, reel portion is penetrated with a center shaft, in center shaft one end, integrated lifting motor and hoist brake are installed, the center shaft other end is equipped with speed reducer used in hoisting, running trolley and drive car be installed on reel portion directly over, due to its symmetrical configuration, therefore under no-load condition, clump weight need not be set, yet due to cucurbit main body be positioned at running trolley and drive car under, and running trolley moves along track girder, this makes the space availability ratio under beam lower, the space constraint that cucurbit main body is occupied has also affected the lifting altitude of CD1 shaped steel wire rope electric block, single track low clearance armored rope electric hoist comes out based on the existing shortcoming of CD1 shaped steel wire rope electric block just.
The mass distribution feature of single track low clearance armored rope electric hoist is as follows: in auxiliary wallboard outside, be furnished with hoisting mechanism, in main wall plate outside, be furnished with wheel operating unit, electric cabinet and some clump weights.Wherein, two adhesion wheels that are positioned at main wall plate inner side synchronously drive control by two cover operation actuating devices, and each moves actuating device and is all integrated with operation brake, operation motor and operation retarder; And hoisting mechanism is mainly comprised of a set of actuating device and one speed reducer and a reel portion of hoisting that is integrated with hoist brake, lifting motor, speed reducer used in hoisting, wherein, the actuating device that hoists, retarder and this three of reel portion be "
" shape connection structure.Because hoisting mechanism and wheel operating unit, electric cabinet and some clump weights are the topological design that is divided into each wallboard outside, and adhesion wheel and driven wheel are divided into two wallboard inner sides, this make under single track of wheel walking without any obstacle, thereby make suspension hook more near single track, lifting space availability ratio is improved significantly.Therefore, single track low clearance armored rope electric hoist lifting altitude is large, is suitable for low constructional height, and it has reduction building cost, improves the advantages such as single track steel-wire rope type electric block range of use.
But, existing single track low clearance armored rope electric hoist exists unsurmountable shortcoming to be: its quality of hoisting mechanism is comparatively huge, and the quality of wheel operating unit smaller (electric cabinet quality is almost insignificant), therefore, under no-load condition, need to rely on the clump weight quantity for balance hoisting mechanism quality more, clump weight accounts for complete machine and approaches 1/3 quality, so both increased the cost of product, increased again the bearing capacity of single track, the traffic cost and the fuel cost that have also increased thus product, be unfavorable for environmental protection.
[summary of the invention]
Technical matters to be solved by this invention is that a kind of hoisting mechanism balancing of mass device of single track low clearance armored rope electric hoist is provided for the deficiency of the existing existence of the single track low clearance armored rope electric hoist with clump weight, its structure is ingenious, abandoned with heavy clump weight and carried out balance hoisting mechanism quality, and reduced single track low clearance armored rope electric hoist complete machine from weight, the balance of the single track low clearance armored rope electric hoist without clump weight of having guaranteed to adopt this quality balancing device during zero load walking.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of hoisting mechanism balancing of mass device of single track low clearance armored rope electric hoist, the quality that is positioned at the hoisting mechanism in auxiliary wallboard outside for balance is implemented with the quality that is positioned at the wheel operating unit in main wall plate outside, its improvement is to be placed through master, on two drop in beams of auxiliary wallboard, be provided with the hoisting mechanism balancing of mass device that structure is identical each other, each hoisting mechanism balancing of mass device comprises equalizer bar, balancing axle assembly and elastic force trimming assembly, equalizer bar is in its bottom, middle part has respectively end cover, balance axis hole, and at it, the top away from end cover has pivot hole, described pivot hole is pivoted with the rotary head with centre hole, balancing axle assembly rotates and is arranged on the balance axis hole of equalizer bar, it is corresponding with the position of adhesion wheel that described equalizer bar overlaps the end of by the position that axial positioning sleeve is contained on drop in beam, elastic force trimming assembly comprises studdle, be sheathed on the elastic component on studdle and be rotatably connected in the setting nut on studdle, the upper end of studdle is placed through in the centre hole of rotary head, and the inner side of main wall plate is fixed in its lower end, the upper end of elastic component contacts with the bottom surface of rotary head, and touch mutually with setting nut its lower end, elastic force trimming assembly is converted into the upward pressure that the equalizer pulley of balancing axle assembly applies single track bottom wing bottom surface with corresponding alternation by changing self elastic force according to the large I of quality of hoisting mechanism.
In above-mentioned rotary head, symmetry is extended with a pair of little spindle nose, and above-mentioned rotary head is hubbed on pivot hole little spindle nose by this, and the centre hole that rotary head places for studdle upper end is slotted hole.
The centre hole of rotary head is designed to after slotted hole, and studdle upper end is limited by rotary freedom no longer, after adjusting the high and low position of equalizer bar, elastic component upper end is coordinated closely all the time with the bottom surface of rotary head.
Above-mentioned balancing axle assembly is comprised of with back-up ring and shaft block ring balancing axle, spacing sleeve, bearing, equalizer pulley, hole.
Overlap its both sides and carry out axial location by main wall plate and the collar locking onto on drop in beam at the end of above-mentioned equalizer bar.
Above-mentioned elastic component is cylinder stage clip, and the lower end of above-mentioned studdle is fixed on the inner side of main wall plate by supporting seat.
Advantage and beneficial effect that the present invention compared with prior art had are as follows:
Employing arranges in pairs the device for balance hoisting mechanism quality on two drop in beams, this device by equalizer bar at the bottom of the position that is contained on drop in beam of cover axial positioning sleeve corresponding with the position of adhesion wheel, the elastic force trimming assembly of balancing device is converted into balancing axle assembly with corresponding alternation by changing self elastic force equalizer pulley according to the large I of quality of hoisting mechanism applies and upwards pressure single track bottom wing bottom surface, by this, make the single track low clearance armored rope electric hoist without clump weight during zero load walking, be positioned at auxiliary wallboard outside hoisting mechanism quality be positioned at the wheel operating unit in main wall plate outside and the quality sum of electric cabinet and reach population equilibrium, two adhesion wheels and two driven wheels are close to respectively the corresponding bottom wing of single track and are realized steady walking, thus, the more heavy clump weight again of the desirable algebraic quantity of this balancing device carrys out balance hoisting mechanism quality, reduced single track low clearance armored rope electric hoist complete machine from weight and the bearing capacity to single track, the manufacturing cost of single track low clearance armored rope electric hoist is expected to be reduced.
[accompanying drawing explanation]
Fig. 1 is that the present invention is installed on the block diagram in single track low clearance armored rope electric hoist;
Fig. 2 is that the present invention is installed on the front view in single track low clearance armored rope electric hoist;
Fig. 3 is the X portion enlarged drawing of Fig. 2;
Fig. 4 observes from Fig. 2 inside towards main wall plate direction the explanatory view that obtains part-structure;
Fig. 5 is exploded view of the present invention.
Number in the figure explanation:
Main wall plate-11; Auxiliary wallboard-12; Adhesion wheel-21; Driven wheel-22; Equalizer bar-3; End cover-31; Balance axis hole-32; Pivot hole-33; Rotary head-34; Little spindle nose-341; Balancing axle assembly-4; Balancing axle-41; Left spacing sleeve 42-1; Right septum cover-42-2; Bearing-43; Equalizer pulley-44; Back-up ring for hole-45; Shaft block ring-46; Studdle-51; Elastic component-52; Setting nut-53; Supporting seat-54; Lock spiral shell nut-55; Upper gasket-56-1; Lower gasket-56-2; Bolt-57; Collar-6; Electric cabinet-B; Drop in beam-G1, G2; Single track-H; Bottom wing-H1; Another bottom wing-H2; Wheel operating unit-L; Hoisting mechanism-R.
[specific embodiment]
Below in conjunction with accompanying drawing 1～5, with regard to the present invention, be described in further detail.
The hoisting mechanism balancing of mass device of a kind of single track low clearance armored rope electric hoist of the present invention, it is applied in single track low clearance armored rope electric hoist that main wall plate 11 outsides do not have clump weight (known).Because the quality of the hoisting mechanism R in auxiliary wallboard 12 outsides is heavier, and the wheel operating unit L in main wall plate 11 outsides and the quality summation of electric cabinet B are lighter, therefore cancel clump weight and reduce complete machine after weight, for making single track low clearance armored rope electric hoist during zero load walking, effectively prevent from being arranged in the bottom wing H1 of two adhesion wheels (figure only shows a wherein adhesion wheel 21) the hanging single track H of main wall plate 11 inner sides, prevent from being arranged in another bottom wing H2 of the improper side pressure single track H of two driven wheels (figure only shows a wherein driven wheel 22) of auxiliary wallboard 12 inner sides simultaneously, the scheme that the present invention is based on balance hoisting mechanism R this basic conception of balancing of mass and implement.
In the prior art, single track low clearance armored rope electric hoist has two each intervals and main wall plate 11 and auxiliary wallboard 12 parallel to each other, and be placed through two drop in beam G1, G2 on main wall plate 11, auxiliary wallboard 12, drop in beam G1 and drop in beam G2 each interval and parallel to each other, two adhesion wheels that are positioned at main wall plate 11 inner sides can slide against on the bottom wing H1 of single track H, and what follow adhesion wheel walking is that two driven wheels that are positioned at auxiliary wallboard 12 inner sides slide against on another bottom wing H2 of single track H.
The improvement of this case is: on these two drop in beam G1, G2, be provided with the hoisting mechanism balancing of mass device that structure is identical each other, every cover hoisting mechanism balancing of mass device comprises equalizer bar 3, balancing axle assembly 4 and elastic force trimming assembly 5.
It is mutually the same that equalizer bar 3 has a pair of shape, the sheet framework main body similar triangular in shape with certain intervals, bottom welding in this framework main body has the end cover 31 that can be used for being sleeved on drop in beam, at the middle part of framework main body, there is balance axis hole 32, the top of framework main body has pivot hole 33, equalizer bar 3 has embodied from position relationship the pivot hole 33 that height arrangement from top to bottom forms thus, three pore structures of balance axis hole 32 and end cover 31, 34 of the rotary heads with centre hole 340 are hubbed on this pivot hole 33, and its interval width of sheet framework main body of equalizer bar 3 and the body width of rotary head 34 are suitable.
Balancing axle assembly 4 rotates and is arranged on the balance axis hole 32 of equalizer bar 3.
It is corresponding with the position of adhesion wheel that equalizer bar 3 overlaps the end of by the position that 31 axial location are sleeved on drop in beam.
Equalizer bar 3 can rotate around drop in beam, thereby adjusts the height of the equalizer pulley 44 of balancing axle assembly 4, and to adapt to the different track thickness of single track H, therefore, the variation of single track H thickness can be done corresponding adjusting by turn setting nut 53.
Elastic force trimming assembly 5 comprises studdle 51, is sheathed on the elastic component 52 on studdle 51 and is rotatably connected in the setting nut 53 on studdle 51, the upper end of studdle 51 is placed through in the centre hole 340 of rotary head 34, and the inner side of main wall plate 11 is fixed in its lower end, the upper end of elastic component 52 contacts with the bottom surface of rotary head 34, and touch mutually with setting nut 53 its lower end; Elastic force trimming assembly 5 upwards pressure by the 44 pairs of single track H bottom wing H1 bottom surfaces of equalizer pulley that change self elastic force and be converted into balancing axle assembly 4 with corresponding alternation according to the large I of quality of hoisting mechanism R, is positioned at the hoisting mechanism R and the quality that is positioned at these both sides of wheel operating unit L in main wall plate 11 outsides in auxiliary wallboard 12 outsides with balance.
Upper gasket 56-1, elastic component 52, lower gasket 56-2, setting nut 53 are installed on studdle 51 from top to bottom successively, by turn setting nut 53, and elastic force that can up-down adjustment elastic component 52.
Balancing of mass device of the present invention is that to take the end cover 31 of kink at drop in beam place be fulcrum, because the installation site of rotary head 34 overlaps 31 the end of away from more than the installation site of equalizer pulley 44, therefore, only need the elastic force of a small amount of adjusting (increase or reduce) elastic component 52, doubly amount is converted into 44 pairs of single track H bottom wing H1 bottom surfaces of (increase or reduce) equalizer pulley and upwards pressure, and this structure design is ingenious handy again.
Thereby upward pressure and obtain corresponding antagonistic force by this, this antagonistic force is delivered to equalizer pulley 44, equalizer bar 3, setting nut 53, studdle 51, drop in beam and main wall plate 11, and antagonistic force is the balancing force that fulcrum is used as balance hoisting mechanism R quality by driven wheel just.
When the hoisting mechanism R quality in auxiliary wallboard 12 outsides larger, and the wheel operating unit L in main wall plate 11 outsides and the quality summation of electric cabinet B are more hour, just more need up turn setting nut 53, to increase equalizer pulley 44 for the upward pressure of single track H bottom wing H1 bottom surface, thereby play balancing of mass effect (this single track H bottom wing H1 is the single track bottom wing that confession under directions adhesion wheel slides); And when down rotating setting nut 53, reduce the pressure of 44 pairs of single track H bottom wing H1 bottom surfaces of equalizer pulley.
Rotary head 34 is extended with a pair of little spindle nose 341 from its main body two side symmetry, and rotary head 34 is hubbed on pivot hole 33 little spindle nose 341 by this, and the centre hole 340 that rotary head 34 places for studdle 51 upper ends is slotted hole.
Balancing axle assembly 4 is comprised of with back-up ring 45 and shaft block ring 46 balancing axle 41, spacing sleeve, bearing 43, equalizer pulley 44, hole.Bearing 43 is built in equalizer pulley 44, as shown in Figure 5, in the present invention, be jacketed with two, bearing 43 limits its axial location by left spacer 42-1, right septum cover 42-2 and hole with back-up ring 45, with the equalizer pulley 44 of bearing 43, by balancing axle 41 rotations, is arranged on the balance axis hole 32 of equalizer bar 3.
Equalizer bar 3 has formed equalizer bar cavity with the framework main body of interval sheet, equalizer pulley 44 parts are contained in this cavity, remainder is exposed to outside framework main body, equalizer pulley 44 exposed parts touch mutually with single track H bottom wing H1 bottom surface, and equalizer pulley 44 can be along single track H bottom wing H1 bottom surface Free-rolling.
As shown in Figure 2,3, overlap 31 arranged on left and right sides and carry out axial location by main wall plate 11 and the collar 6 locking onto on drop in beam G1 at 3 its ends of equalizer bar, to stop equalizer bar 3 axial motions.Because main wall plate 11 is existing parts, therefore, can reduce the quantity of axial location part.
As shown in Figure 1, in the present invention, elastic component 52 is cylinder stage clip; Studdle 51 bottoms screw in supporting seat 54, and these studdle 51 ends of stretching out supporting seat 54 are fixed by jam nut 55, supporting seat 54 is fixed on the inner side of main wall plate 11, supporting seat 54 shown in figure is criss-cross block structure, its shape is suitable with the main wall plate 11 of employing rectangle pipe material, and criss-cross iron block structured supporting seat 54 is fixed on main wall plate 11 by four pieces of bolts 57.
Claims (5)
1. the hoisting mechanism balancing of mass device of a single track low clearance armored rope electric hoist, the quality that is positioned at the hoisting mechanism in auxiliary wallboard outside for balance is implemented with the quality that is positioned at the wheel operating unit in main wall plate outside, it is characterized in that being placed through master, on two drop in beams of auxiliary wallboard, be provided with the hoisting mechanism balancing of mass device that structure is identical each other, each hoisting mechanism balancing of mass device comprises equalizer bar, balancing axle assembly and elastic force trimming assembly, equalizer bar is in its bottom, middle part has respectively end cover, balance axis hole, and at it, the top away from end cover has pivot hole, described pivot hole is pivoted with the rotary head with centre hole, balancing axle assembly rotates and is arranged on the balance axis hole of equalizer bar, it is corresponding with the position of adhesion wheel that described equalizer bar overlaps the end of by the position that axial positioning sleeve is contained on drop in beam, elastic force trimming assembly comprises studdle, be sheathed on the elastic component on studdle and be rotatably connected in the setting nut on studdle, the upper end of studdle is placed through in the centre hole of rotary head, and the inner side of main wall plate is fixed in its lower end, the upper end of elastic component contacts with the bottom surface of rotary head, and touch mutually with setting nut its lower end, elastic force trimming assembly is converted into the upward pressure that the equalizer pulley of balancing axle assembly applies single track bottom wing bottom surface with corresponding alternation by changing self elastic force according to the large I of quality of hoisting mechanism.
2. hoisting mechanism balancing of mass device according to claim 1, it is characterized in that: in described rotary head, symmetry is extended with a pair of little spindle nose, described rotary head is hubbed on pivot hole little spindle nose by this, and the centre hole that rotary head places for studdle upper end is slotted hole.
3. hoisting mechanism balancing of mass device according to claim 1 and 2, is characterized in that: described balancing axle assembly is comprised of with back-up ring and shaft block ring balancing axle, spacing sleeve, bearing, equalizer pulley, hole.
4. hoisting mechanism balancing of mass device according to claim 3, is characterized in that: overlap its both sides and carries out axial location by main wall plate and the collar locking onto on drop in beam at the end of described equalizer bar.
5. hoisting mechanism balancing of mass device according to claim 4, is characterized in that: described elastic component is cylinder stage clip, and the lower end of described studdle is fixed on the inner side of main wall plate by supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314124.7A CN104085786B (en) | 2014-06-26 | 2014-06-26 | The hoisting mechanism mass balance mechanism of single track low clearance armored rope electric hoist |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314124.7A CN104085786B (en) | 2014-06-26 | 2014-06-26 | The hoisting mechanism mass balance mechanism of single track low clearance armored rope electric hoist |
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| CN104085786A true CN104085786A (en) | 2014-10-08 |
| CN104085786B CN104085786B (en) | 2016-04-13 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3526388A (en) * | 1968-06-06 | 1970-09-01 | Ingersoll Rand Co | Balancing hoist |
| CN101341089A (en) * | 2006-07-21 | 2009-01-07 | 韩国高倍株式会社 | Hoist for low space crane |
| CN201473204U (en) * | 2009-08-14 | 2010-05-19 | 上海船厂船舶有限公司 | Wire rope balancing pole device |
| CN202671096U (en) * | 2012-06-13 | 2013-01-16 | 徐州重型机械有限公司 | Diagnosis and handling device for fault of cylinder jitter caused by eccentric load of gravity center |
| CN102963818A (en) * | 2012-11-29 | 2013-03-13 | 银川银重（集团）起重机有限公司 | Pull rod type steel wire rope balancing device of crane |
| CN203998664U (en) * | 2014-06-26 | 2014-12-10 | 张文忠 | The hoisting mechanism balancing of mass device of single track low clearance armored rope electric hoist |
-
2014
- 2014-06-26 CN CN201410314124.7A patent/CN104085786B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3526388A (en) * | 1968-06-06 | 1970-09-01 | Ingersoll Rand Co | Balancing hoist |
| CN101341089A (en) * | 2006-07-21 | 2009-01-07 | 韩国高倍株式会社 | Hoist for low space crane |
| CN201473204U (en) * | 2009-08-14 | 2010-05-19 | 上海船厂船舶有限公司 | Wire rope balancing pole device |
| CN202671096U (en) * | 2012-06-13 | 2013-01-16 | 徐州重型机械有限公司 | Diagnosis and handling device for fault of cylinder jitter caused by eccentric load of gravity center |
| CN102963818A (en) * | 2012-11-29 | 2013-03-13 | 银川银重（集团）起重机有限公司 | Pull rod type steel wire rope balancing device of crane |
| CN203998664U (en) * | 2014-06-26 | 2014-12-10 | 张文忠 | The hoisting mechanism balancing of mass device of single track low clearance armored rope electric hoist |
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| Publication number | Publication date |
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| CN104085786B (en) | 2016-04-13 |
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Owner name: ZHEJIANG TWO BIRDS LIFTING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: ZHANG WENZHONG Effective date: 20150409 |
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Effective date of registration: 20150409 Address after: 312455 Zhejiang city of Shengzhou Province town Tenglong Industrial Zone, Road No. 9 Applicant after: ZHANG WENZHONG Address before: 312455 Zhejiang city of Shengzhou Province town Tenglong Industrial Zone, Road No. 9 (Zhejiang shuangniao lifting equipment Co., Ltd.) Applicant before: Zhang Wenzhong |
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