CN104873274A - Ceiling pendant for indoor use - Google Patents
Ceiling pendant for indoor use Download PDFInfo
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- CN104873274A CN104873274A CN201410073723.4A CN201410073723A CN104873274A CN 104873274 A CN104873274 A CN 104873274A CN 201410073723 A CN201410073723 A CN 201410073723A CN 104873274 A CN104873274 A CN 104873274A
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- lifting arm
- axle
- tower crane
- adjustable skid
- fixed frame
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G12/00—Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food; Prescription lists
- A61G12/002—Supply appliances, e.g. columns for gas, fluid, electricity supply
- A61G12/004—Supply appliances, e.g. columns for gas, fluid, electricity supply mounted on the ceiling
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a ceiling pendant for indoor places having a ceiling. The ceiling pendant comprises a fixing frame, a lifting arm, a lifting post, a balance mechanism, and an adjusting mechanism; the fixture frame is suitable for being fixedly connected to the ceiling; the lifting arm is pivotally connected to the fixing frame through a pivot so that the lifting arm can rotate around the pivot in a vertical plane; the lifting post is connected to the first end of the lifting arm, extends in the vertical direction and is driven by the lifting arm to move in the vertical direction; the balance mechanism is disposed at the second end of the lifting arm; the balance mechanism and the lifting post are disposed two sides of the pivot; the balance mechanism can move between the second end of the lifting arm and the pivot so that the lifting arm is balanced; the adjusting mechanism is connected with the balance mechanism so as to adjust the position of the balance mechanism on the lifting arm. The ceiling pendant has the advantages that a load is adjusted to the ideal position more quickly and more accurately by manual adjustment, no electricity is consumed, and the ceiling pendant is energy efficient, environment friendly and noise free.
Description
Technical field
The present invention relates to field of medical device, especially relate to a kind of tower crane for indoor.
Background technology
Point out in correlation technique, in electric suspension-tower, the initial installation dimension of electric pushrod is comparatively large and need battery, thus causes the volume of electric suspension-tower large.In addition, because the power output of electric pushrod is comparatively large, when constant power, movement velocity is comparatively slow, and cause the davit rising or falling speed of electric suspension-tower slow, inconvenient davit reaches ideal position quickly and accurately, and electric suspension-tower in use exists noise.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the object of the invention is to propose a kind of tower crane for indoor, described tower crane is energy-conservation, be convenient to regulate, volume is little, and noiselessness.
According to the tower crane for indoor of the present invention, described indoor have ceiling, and described tower crane comprises: fixed frame, and described fixed frame is suitable for being fixedly connected on described ceiling; Lifting arm, described lifting arm is connected on described fixed frame by pivotal axis pivotly to make described lifting arm rotatable around described pivotal axis in perpendicular; Davit, described davit is connected to the first end of described lifting arm, and described davit vertically extends and drives removable in the vertical direction by described lifting arm; Balanced controls, described balanced controls are located at the second end of described lifting arm, described balanced controls and described davit lay respectively at the both sides of described pivotal axis, and described balanced structure is removable to make described lifting arm keep balance between described second end and described pivotal axis of described lifting arm; And guiding mechanism, described adjust structure is connected with described balanced controls to regulate the position of described balanced controls on described lifting arm.
According to the tower crane for indoor of the present invention, the mode manually adjusted, faster and more accurately the armarium of hanging on davit can be adjusted to ideal position, and by arranging the weight domain of walker that guiding mechanism expansion tower crane can carry, thus increase the scope of application of tower crane, and without the need to consuming electric energy, energy-conserving and environment-protective, in addition, the compact conformation of tower crane, volume is little, work noiselessness.
Particularly, described balanced controls comprise: at least one pair of air spring, and air spring described at least one pair of is located in described fixed frame; Two slide blocks, each described slide block is connected with one of them in air spring often pair described and is driven by described air spring removable in the vertical direction; And adjustable skid, described adjustable skid is connected with described two slide blocks respectively pivotly by two connecting rods that length is equal, and described adjustable skid is located at described second end of described lifting arm movably.Thus, adopt air spring as power source, reduce the volume of tower crane, and noiselessness, energy-conserving and environment-protective.
Further, comprise further: four guide posts, described four guide posts all vertically extend and are spaced to turn up the soil and are located in described fixed frame, the two ends of each described slide block be set in respectively in described four guide posts wherein on two.Thus, ensure that slide block only slides in the vertical direction, thus the power provided by power source air spring is acted on slide block completely effectively, improve the effective rate of utilization of power source.
Alternatively, the middle part of described adjustable skid is provided with a fixed block, and described fixed block is connected with described two slide blocks respectively pivotly by described two connecting rods.Thus, the power that power source air spring can be made to provide intensively acts on adjustable skid, more intensively to act on lifting arm.
Or alternatively, described adjustable skid has two fixed blocks be spaced apart from each other, and described two fixed blocks are connected with described two slide blocks pivotly respectively by described two connecting rods.
Particularly, described second end of described lifting arm is provided with two elevating levers parallel to each other, and described two elevating levers extend along the length direction of described lifting arm, and described adjustable skid is set on described two elevating levers.
Further, described tower crane comprises further: two sleeve pipes, and described two sleeve pipes are spaced to turn up the soil and are located on described adjustable skid and are set in respectively on described two elevating levers.Thus, the contact area of adjustable skid and elevating lever can be increased, adjustable skid be moved more steady.
Particularly, described guiding mechanism comprises: baffle plate, and described baffle plate is located at described second end of described lifting arm and is positioned at the side away from described pivotal axis of described adjustable skid; Bolt, described bolt is connected with described adjustable skid through described baffle plate; And nut, described nut coordinates with described bolt and is located between described baffle plate and described adjustable skid to be bolted to described on described baffle plate.Thus, effectively can change adjustable skid and act on torque arm length on lifting arm, thus increase the weight fluctuation scope that lifting arm can bear load, and then expand the scope of application of tower crane.
Further, described tower crane comprises further: suspension rod, and described suspension rod to be located in described davit and to be connected on described lifting arm pivotly by the first axle, and described suspension rod vertically extends; The gimbal lever, the described gimbal lever is located in described lifting arm, the described first end of the described gimbal lever is connected with described suspension rod pivotly by the second axle, described second end is connected with described fixed frame pivotly by the 3rd axle, wherein said first axle, described second axle and described 3rd axle all with described pivoting axis parallel, described second axle is positioned at directly over described first axle, described 3rd axle is positioned at directly over described pivotal axis, and the distance between described second axle and described first axle equals the distance between described 3rd axle and described pivotal axis.
Alternatively, described fixed frame comprises: top board; Base plate, described base plate is parallel with described top board and be located at the below of described top board; And at least one fixed bar, at least one fixed bar is located between described top board and described base plate.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the tower crane for indoor according to the embodiment of the present invention;
Fig. 2 is the front view of the tower crane shown in Fig. 1;
Fig. 3 is the front view of the fixed frame shown in Fig. 2 and balanced controls;
Fig. 4 is the left view of the fixed frame shown in Fig. 3 and balanced controls;
Fig. 5 is the top view of the lifting arm shown in Fig. 2, balanced controls and guiding mechanism;
Fig. 6 is the fundamental diagram of the tower crane shown in Fig. 1.
Reference numeral:
100: tower crane;
11: top board; 12: base plate;
13: fixed bar; 14: guide post;
15: connecting plate; 151: the first connecting holes;
16: crossbeam; 17: engaging lug; 171: the four mating holes;
2: lifting arm; 21: container cavity; 22: opening; 23: sleeve pipe; 24: elevating lever;
3: davit; 31: suspension rod;
41: air spring; 411: steel cylinder end; 412: push rod end;
421: the first slide blocks; 422: the second slide blocks;
431: adjustable skid; 432: fixed block;
441: first connecting rod; 442: second connecting rod;
51: baffle plate; 52: bolt; 53: nut;
61: pivotal axis; 62: the first axles; 63: the second axles; 64: the three axles;
7: the gimbal lever.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second ", " the 3rd ", " the 4th " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.
The tower crane 100 for indoor (scheming not shown) of embodiment is according to a first aspect of the present invention described below with reference to Fig. 1-Fig. 6.Wherein, indoor have ceiling (scheming not shown).Here, it should be noted that, tower crane 100 is applicable to operating room, clinic and ward etc., and is not limited thereto.
As shown in Figure 1, the tower crane 100 for indoor of embodiment according to a first aspect of the present invention, comprising: fixed frame, lifting arm 2, davit 3, balanced controls and guiding mechanism.Wherein, fixed frame is suitable for being fixedly connected with on the ceiling, and can form with ceiling and removably connect.
Alternatively, fixed frame comprises: top board 11, base plate 12 and at least one fixed bar 13, and base plate 12 is parallel with top board 11 and be located at the below of top board 11, and at least one fixed bar 13 is located between top board 11 and base plate 12.Such as in the example of fig. 1, top board 11 is rectangular slab and can be horizontally fixed on ceiling, wherein top board 11 can be provided with screwed hole, to be threaded with ceiling, be provided with immediately below top board 11 and top board 11 size, the base plate 12 that shape is identical, base plate 12 overlaps with top board 11 projection in the horizontal direction, such top board 11 is relative up and down respectively with four drift angles of base plate 12, each drift angle place between top board 11 and base plate 12 arranges a fixed bar 13 respectively, be connected by four fixed bars 13 with base plate 12 to make top board 11, wherein each fixed bar 13 extends all along the vertical direction, and upper end extends to top board 11 and is connected with top board 11, lower end extends to base plate 12 and is connected with base plate 12.Thus, top board 11 and base plate 12 can link together by four fixed bars 13 securely, and fix on the ceiling reposefully.
Further, lifting arm 2 is connected on fixed frame pivotly by pivotal axis 61, to make lifting arm 2 rotatable around pivotal axis 61 in perpendicular.With reference to Fig. 3, fixed frame is provided with two connecting plates 15, two connecting plates 15 are symmetrically arranged on two fixed bars 13 on rear side of fixed frame, each connecting plate 15 all vertically arranges and extends along the longitudinal direction, each connecting plate 15 is formed with respectively first connecting hole 151, each first connecting hole 151 runs through corresponding connecting plate 15 all in left-right direction, the equal diameters of two the first connecting holes 151, and the center of circle is positioned on same level line, thus pivotal axis 61 flatly can be located in two the first connecting holes 151, pivotal axis 61 is the circular shaft extended in left-right direction.
Correspondingly, with reference to Fig. 1, Fig. 2 and Fig. 5, lifting arm 2 extends along the longitudinal direction, and the front end of lifting arm 2 width is in the lateral direction slightly less than the distance between two connecting plates 15, thus the front end of lifting arm 2 can be extend between two connecting plates 15, the front end of lifting arm 2 is formed with the first mating holes, first mating holes runs through lifting arm 2 in left-right direction, and the diameter of the first mating holes equals the diameter of the first connecting hole 151, like this, when assembling lifting arm 2 with fixed frame, can first the front end of lifting arm 2 be extend between two connecting plates 15, then align the first mating holes and the first connecting hole 151, then pivotal axis 61 is passed the first connecting hole 151 and the first mating holes in left-right direction, be pivotally secured on fixed frame to make lifting arm 2, when applying active force to lifting arm 2, lifting arm 2 can rotate centered by pivotal axis 61 in perpendicular.
Further, davit 3 is connected to the first end (rear end such as shown in Fig. 2) of lifting arm 2, and davit 3 vertically extends and driven by lifting arm 2 removable in the vertical direction.Alternatively, tower crane 100 comprises further: suspension rod 31, and suspension rod 31 to be located in davit 3 and to be connected on lifting arm 2 pivotly by the first axle 62, and suspension rod 31 vertically extends.
Particularly, as shown in Figure 2, container cavity 21 is formed in lifting arm 2, container cavity 21 runs through lifting arm 2 along the length direction (fore-and-aft direction such as shown in Fig. 2) of lifting arm 2, the diapire of lifting arm 2 rear end is formed with opening 22, opening 22 runs through the diapire of lifting arm 2 and relative with davit about 3, the upper surface of davit 3 is formed with recessed groove downwards, the lower end of suspension rod 31 is fixed in groove to keep geo-stationary with davit 3, the upper end of davit 3 extends straight up and extend in container cavity 21 from opening 22, lifting arm 2 is formed with the second connecting hole, second connecting hole runs through the rear end of lifting arm 2 in left-right direction, suspension rod 31 is formed with the second mating holes run through in left-right direction, second mating holes is relative with the second connecting hole and measure-alike, by the first axle 62 in left-right direction through the second connecting hole and the second mating holes, be connected on lifting arm 2 pivotly to make suspension rod 31, suspension rod 31 and davit 3 are fixedly linked and geo-stationary, thus davit 3 is connected on lifting arm 2 pivotly, because davit 3 itself is freely sagging, and not by the power in horizontal direction, so davit 3 is only applied to lifting arm 2 power straight down (G as shown in Figure 6), thus davit 3 only moves up and down to drive lifting arm 2 to swing around pivotal axis 61 in vertical plane.
Further, balanced controls are located at second end (front end such as shown in Fig. 1) of lifting arm 2, balanced controls and davit 3 lay respectively at the both sides of pivotal axis 61, and balanced structure is removable to make lifting arm 2 keep balance between second end and pivotal axis 61 of lifting arm 2.As shown in Figure 5, the front end of lifting arm 2 has extension (such as elevating lever 24) hereinafter described, extension extends forward along the length direction of lifting arm 2, extension is connected with balanced controls, balanced controls are configured to often to extension applying pressure straight down, when the relative position of balanced controls and lifting arm 2 is fixed, namely when the distance of the balanced controls application point and pivotal axis 61 center that are applied to the power of lifting arm 2 keeps definite value, balanced controls will be applied to lifting arm 2 constant force straight down all the time, this masterpiece moment be used on lifting arm 2 can act on the equalising torque on lifting arm 2 with davit 3, thus make lifting arm 2 be in poised state.
Here, it should be noted that, the power that definition balanced controls are applied to lifting arm 2 is the first power, the power that definition davit 3 is applied to lifting arm 2 is the second power, the direction of the first power and the second power all straight down, when the relative position of balanced controls and lifting arm 2 is fixed, and davit 3 is when fixing with the relative position of lifting arm 2, the ratio that first masterpiece is used in the acting force arm that acting force arm on lifting arm 2 and the second masterpiece are used on lifting arm 2 is always definite value, again because the first power and the second power are constant force, therefore, when the moment that the moment that the first power is applied to lifting arm 2 and the second power are applied to lifting arm 2 is equal, lifting arm 2 will be in poised state always, as long as and lifting arm 2 by other external force time, lifting arm 2 all can be in poised state at any swash angle position place.
Further, guiding mechanism is connected with balanced controls with the position of adjustment mechanism on lifting arm 2.As shown in Figure 5, extension is also provided with guiding mechanism, guiding mechanism is connected with balanced controls, regulate guiding mechanism can change the relative position of balanced controls and lifting arm 2, that is, regulate guiding mechanism can change the position of action point that balanced controls are applied to the power of lifting arm 2, thus the acting force arm of the first power can be changed, and then change the moment that the first power is applied to lifting arm 2, like this, when the size of the second power changes, the moment that second power is applied to lifting arm 2 changes, thus the arm of force on lifting arm 2 can be used in by regulating guiding mechanism to change the first masterpiece, and then change the moment that the first power is applied to lifting arm 2, again poised state can be reached to make lifting arm 2.
In one of them example of the present invention, after hang armarium on davit 3, by regulating guiding mechanism to be in poised state to make lifting arm 2, when needing the position adjusting armarium, pull armarium as required, ideal position is arrived to make armarium, then discharge armarium, lifting arm 2 continues to keep balance, and armarium can be hung reposefully on davit 3, when needing to change armarium, guiding mechanism is again regulated to make lifting arm 2 again be in poised state.Thus, armarium as required, can be adjusted to ideal position by medical personnel faster and more accurately, and in addition, the weight limited range that can carry due to tower crane 100 is wide, thus the scope of application of tower crane 100 is wide.
According to the tower crane 100 for indoor of the embodiment of the present invention, the mode manually regulated, faster and more accurately the armarium of hanging on davit 3 can be adjusted to ideal position, and by arranging the weight domain of walker that guiding mechanism expansion tower crane 100 can carry, thus increase the scope of application of tower crane 100, and without the need to consuming electric energy, energy-conserving and environment-protective, in addition, compact conformation, the volume of tower crane 100 are little, work noiselessness.
In one embodiment of the invention, with reference to Fig. 3-Fig. 5, balanced controls comprise: at least one pair of air spring 41, two slide blocks and adjustable skid 431, alternatively, tower crane 100 also comprises: four guide posts 14, four guide posts 14 all vertically extend and are spaced to turn up the soil and are located in fixed frame, the two ends of each slide block be set in respectively in four guide posts 14 wherein on two.
Particularly, as shown in Figure 3 and Figure 5, first the perpendicular defining pivotal axis 61 place is the first plane, definition is the second plane with the perpendicular of the first plane orthogonal, like this, four guide posts 14 are provided with in fixed frame, the specification of four guide posts 14 is identical, and be arranged in symmetrically in fixed frame, particularly, the central point line of four guide posts 14 can form a rectangle, and rectangle two groups of opposite side are parallel with the second plane with the first plane respectively, each guide post 14 is round bar and extends along the vertical direction, the upper end of each guide post 14 all extends to top board 11 and is fixed on top board 11, the lower end of each guide post 14 all extends downward base plate 12 and is fixed on base plate 12, wherein top board 11 and base plate 12 can be formed with four respectively for installing the hole of four guide posts 14, guide post 14 is fixedly connected with to facilitate.Thus, two guide posts 14 be close on the left of fixed frame form with two guide posts 14 on the right side of contiguous fixed frame two upright slide rails being parallel to the second plane respectively.
Further, as Figure 2-Figure 5, the specification of two slide blocks is identical, each slide block is horizontally disposed cuboid, and the front and rear surfaces of each slide block is all parallel with the first plane, left and right surface uniform second plane is parallel, each slide block is all formed with two perforation run through along the vertical direction, perforation is circular and is suitable for holding guide post 14, two perforation be positioned on same slide block are corresponding with two guide post 14 positions belonging to same upright slide rail and mutually adaptive, thus, two slide blocks can be set in respectively on two corresponding upright slide rails, that is, to two guide posts 14 of same upright slide rail be belonged to vertically through two perforation in respective slide, like this, after two slide blocks and four guide posts 14 are seated respectively, two slide blocks can move up and down along corresponding guide post 14 respectively in the vertical plane being parallel to the second plane, in addition, because each slide block is all led by isolated two guide posts 14 in left and right, thus limit slide block in horizontal rotation in surface and translation, and then ensure slide block only can with upper and lower smooth sliding in the second parallel plane perpendicular.
Certainly, the present invention is not limited thereto, two line slide rails (scheming not shown) can also be set in fixed frame to substitute four guide posts 14, particularly, two line slide rails extend all along the vertical direction, and be symmetrically arranged in fixed frame, the inner side (i.e. the side at contiguous fixed frame center) of each line slide rail is all formed with the slideway extended along the vertical direction, correspondingly, the outside (namely away from the side at fixed frame center) of two slide blocks is equipped with slide plate, slide plate is adapted to fit in slideway, can slide up and down along corresponding slideway to make two slide blocks.
Further, at least one pair of air spring 41 is located in fixed frame, and each slide block is connected with one of them in often pair of air spring 41 and is driven by air spring 41 removable in the vertical direction.Such as in the example of fig. 3, a pair air spring 41 is provided with in fixed frame, a pair air spring 41 comprises the identical air spring 41 of two specifications, two air springs 41 are all scalable in vertical plane, and be symmetrically located in fixed frame, the upper end of each air spring 41 is steel cylinder end 411, and steel cylinder end 411 can by hinge on top board 11, the lower end of each air spring 41 is push rod end 412, and push rod end 412 can by hinge on corresponding slide block.Thus, two air springs 41 can drive corresponding slide block to move up and down along corresponding upright slide rail respectively.Here, it should be noted that, air spring 41 is in flexible or compression process, and the power being applied to respective slide is almost definite value, and the air spring 41 of same size 41 is applied to the power equal and opposite in direction of respective slide.In addition, the structure of air spring 41 and fixed form etc. are well known to the skilled person, and no longer describe in detail here.Preferably, between two guide posts 14 of each air spring 41 all in respective slide, to make slide block uniform force, stable movement.
Certainly, the present invention is not limited thereto, air spring 41 can also be two right, two pairs of air springs 41 comprise the identical air spring 41 of four specifications, and the mounting means of often pair of air spring 41 in two pairs of air springs 41 is all identical with the mounting means of above-mentioned a pair air spring 41, each like this slide block is connected with two air springs 41 respectively, two air spring 41 time intervals on same slide block are turned up the soil layout, the power be subject to needed for each slide block is certain, thus by arranging two air springs 41 on each slide block, can the stroke of each air spring 41 of corresponding shortening, and then air spring 41 and fixed frame size in the height direction can be reduced, make the overall structure of tower crane 100 smaller and more exquisite, compact.Certainly, according to the actual requirements, air spring 41 can also be multipair, and the installation of the installation of multipair air spring 41 and arrangement and two pairs of air springs 41 and arrangement similar, no longer describe in detail here.
Further, adjustable skid 431 is located at second end (front end such as shown in Fig. 5) of lifting arm 2 movably, alternatively, second end of lifting arm 2 is provided with two elevating levers 24 parallel to each other, two elevating levers 24 extend along the length direction of lifting arm 2, and adjustable skid 431 is set on two elevating levers 24.As shown in Figure 5, the extension of lifting arm 2 is two elevating levers 24, two elevating levers 24 are two identical circular pins, and be symmetrically fixed on lifting arm 2, wherein the rear end of each elevating lever 24 is all fixedly linked with the front end of lifting arm 2, front end all extends forward along the length direction of lifting arm 2, adjustable skid 431 is roughly rectangular slab, and arrange perpendicular to two elevating levers 24, adjustable skid 431 is formed with two circular holes, two circular holes run through adjustable skid 431 along the direction perpendicular to adjustable skid 431, two circular holes are relative one by one with two elevating levers 24, thus two elevating levers 24 can be each passed through two circular holes, be socketed on two elevating levers 24 to make adjustable skid 431, like this, when adjustable skid 431 is subject to the external force along elevating lever 24 length direction, adjustable skid 431 can move forward and backward along two elevating levers 24.
Alternatively, tower crane 100 comprises further: two sleeve pipes, 23, two sleeve pipes 23 are spaced to turn up the soil and are located on adjustable skid 431 and are set in respectively on two elevating levers 24.Particularly, the shape of two sleeve pipes 23, size is all identical, wherein each sleeve pipe 23 all extends along the length direction of elevating lever 24, and length is greater than adjustable skid 431 length in the longitudinal direction, each sleeve pipe 23 is suitable to be engaged between corresponding circular hole and elevating lever 24, thus, two sleeve pipes 23 are separately fixed in two circular holes, again the adjustable skid 431 fixing sleeve pipe 23 is socketed on elevating lever 24, the contact area of adjustable skid 431 and elevating lever 24 can be increased like this, adjustable skid 431 can be moved forward and backward along elevating lever 24 more reposefully.
Again further, with reference to Fig. 2 and Fig. 6, adjustable skid 431 is connected with two slide blocks respectively pivotly by two connecting rods that length is equal.As shown in Figure 3 and Figure 5, two slide blocks are arranged in fixed frame one on the other, particularly, the slide block of the contiguous top board 11 of definition is the first slide block 421, and the slide block of contiguous base plate 12 is the upper left side that the second slide block 422, first slide block 421 is positioned at the second slide block 422, be connected by first connecting rod 441 between first slide block 421 and adjustable skid 431, be connected by second connecting rod 442 between second slide block 422 and adjustable skid 431, like this, the first slide block 421 can by first connecting rod 441 by the power F on it
1pass to adjustable skid 431, the second slide block 422 can by second connecting rod 442 by the power F on it
2pass to adjustable skid 431, due to F
1with F
2value equal, first connecting rod 441 is equal with the length of second connecting rod 442, and first connecting rod 441 is tilted to front extension from top to bottom, and second connecting rod 442 is tilted to front extension from bottom to top, thus F
1and F
2the horizontal component of making a concerted effort be applied on adjustable skid 431 is zero, and vertical component is definite value.
Particularly, the middle part of adjustable skid 431 is provided with a fixed block 432, and fixed block 432 is connected with two slide blocks respectively pivotly by two connecting rods.With reference to Fig. 5, the rear side of adjustable skid 431 is provided with fixed block 432, fixed block 432 is roughly cuboid and is connected with the center of adjustable skid 431 rear surface, fixed block 432 extends back along the length direction of elevating lever 24, and ensure that fixed block 432 and slide block are spaced apart from each other in the longitudinal direction, the rear end of fixed block 432 is formed with the rectangle mounting groove and circular mounting hole that communicate with each other, mounting groove runs through fixed block 432 along the vertical direction, installing hole runs through fixed block 432 in left-right direction, wherein mounting groove is positioned on the centrage of fixed block 432, to make fixed block 432 symmetrical.
Further, first connecting rod 441 and second connecting rod 442 are all positioned at same as the second parallel plane plane, and the upper end of first connecting rod 441 is connected by the first horizontal bearing pin with the inner surface (i.e. the one side at contiguous fixed frame center) of the first slide block 421, thus first connecting rod 441 can pivotable by relative first slide block 421 of the first horizontal bearing pin, the lower end of second connecting rod 442 is connected by the second horizontal bearing pin with the inner surface (i.e. the one side at contiguous fixed frame center) of the second slide block 422, thus second connecting rod 442 can pivotable by relative second slide block 422 of the second horizontal bearing pin, again further, the lower end of first connecting rod 441 is tilted to front lower place and extends, and stretch in mounting groove, the upper end of second connecting rod 442 is tilted to front upper place and extends, and stretch in mounting groove, 3rd horizontal bearing pin penetrates from the installing hole in fixed block 432 side (left side such as shown in Fig. 4), then successively through second connecting rod 442 and first connecting rod 441, pass from the installing hole of fixed block 432 opposite side (right side such as shown in Fig. 4) again, thus first connecting rod 441 can pivotable by the relative fixed block 432 of the 3rd bearing pin with second connecting rod 442.Thus, when adjustable skid 431 is movable on elevating lever 24, the first slide block 421 and the second slide block 422 drive can move up and down along corresponding upright slide rail respectively by first connecting rods 441 and second connecting rod 442.
Certainly, the present invention is not limited thereto, in another embodiment of the present invention, adjustable skid 431 has two fixed blocks, 432, two fixed blocks 432 be spaced apart from each other and is connected (scheming not shown) pivotly with two slide blocks respectively by two connecting rods.Such as, the rear surface of adjustable skid 431 is connected with the first fixed block 432 and the second fixed block 432, the shape of the first fixed block 432 and the second fixed block 432, measure-alike and symmetrically spaced apart, in two planes parallel to each other before and after first connecting rod 441 and second connecting rod 442 lay respectively at, and the first fixed block 432 is positioned at same plane with first connecting rod 441, second fixed block 432 is positioned at same plane with second connecting rod 442, now, the upper end of first connecting rod 441 is connected by the first horizontal bearing pin with the outer surface (one side away from fixed frame center) of the first slide block 421, the lower end of second connecting rod 442 is connected by the second horizontal bearing pin with the outer surface (one side away from fixed frame center) of the second slide block 422, the lower end of first connecting rod 441 is tilted to front lower place and extends, and be connected by the 3rd horizontal bearing pin with the first fixed block 432, the upper end of second connecting rod 442 is tilted to front upper place and extends, and be connected by the 4th horizontal bearing pin with the second fixed block 432, thus when adjustable skid 431 is movable on elevating lever 24, first slide block 421 and the second slide block 422 drive can move up and down along corresponding upright slide rail respectively by first connecting rods 441 and second connecting rod 442, thus, the stressed of adjustable skid 431 can scatter equably, thus move more reposefully.
With reference to Fig. 5, guiding mechanism comprises: baffle plate 51, bolt 52 and nut 53, baffle plate 51 is located at second end (front end such as shown in Fig. 5) of lifting arm 2, and be positioned at the side away from pivotal axis 61 (front side such as shown in Fig. 5) of adjustable skid 431, bolt 52 is connected with adjustable skid 431 through baffle plate 51, nut 53 coordinates with bolt 52, and is located between baffle plate 51 and adjustable skid 431 to be fixed on baffle plate 51 by bolt 52.Particularly, the front side of adjustable skid 431 is provided with baffle plate 51, baffle plate 51 can be rectangular slab, and be symmetrically fixed on the front end face of two elevating levers 24 about fixed frame, the center of baffle plate 51 is formed with the manhole run through, correspondingly, the front end face of adjustable skid 431 is formed with screwed hole, screwed hole is relative with through hole, nut 53 is placed on the rear end face of baffle plate 51, and bolt 52 is engaged in screwed hole through through hole and nut 53 from front to back successively, locking nut 53 is locked between the head of bolt 52 and nut 53 to make baffle plate 51, thus bolt 52 opposing flaps 51 and elevating lever 24 are in the longitudinal direction without motion, adjustable skid 431 OQ t bar 24 nothing in vertical plane is rotated, thus swivel bolt 52 and nut 53 just can make adjustable skid 431 movable on lifting arm 2 simultaneously.
In use procedure, first on davit 3, armarium is connected, then adjusted the position of adjustable skid 431 by swivel bolt 52, make lifting arm 2 be in poised state, then clamping screw 52 makes it be fixed on baffle plate 51, bolt 52 no longer rotates, lifting arm 2 can maintain poised state always, and when changing or adjust armarium, swivel bolt 52 readjusts the position of adjustable skid 431 again, lifting arm 2 is made again to be in poised state, again clamping screw 52.
Alternatively, with reference to Fig. 2, tower crane 100 comprises further: the gimbal lever 7, the gimbal lever 7 is located in lifting arm 2, the first end (rear end such as shown in Fig. 2) of the gimbal lever 7 is connected with suspension rod 31 pivotly by the second axle 63, second end (front end such as shown in Fig. 2) is connected with fixed frame pivotly by the 3rd axle 64, wherein the first axle 62, second axle 63 is all parallel with pivotal axis 61 with the 3rd axle 64, second axle 63 is positioned at directly over the first axle 62, 3rd axle 64 is positioned at directly over pivotal axis 61, and the distance between the second axle 63 and the first axle 62 equals the distance between the 3rd axle 64 and pivotal axis 61.
As shown in Figures 2 and 3, the gimbal lever 7 is located in container cavity 21, and the gimbal lever 7 extends along the length direction of lifting arm 2, the rear end of the gimbal lever 7 is fixed with the first connecting portion, first connecting portion is formed with the 3rd connecting hole run through, 3rd connecting hole runs through the first connecting portion in left-right direction, correspondingly, upper end and first connecting portion of suspension rod 31 are spaced apart in the lateral direction, the upper end of suspension rod 31 is formed with the 3rd mating holes run through in left-right direction, 3rd mating holes is relative and measure-alike with the 3rd connecting hole, second axle 63 is engaged in the 3rd connecting hole and the 3rd mating holes, can rotate around the second axle 63 relative to suspension rod 31 to make the gimbal lever 7, further, the rear side of fixed frame is fixed with crossbeam 16, the middle part of crossbeam 16 is fixed with engaging lug 17, engaging lug 17 is formed with the 4th mating holes 171 run through, correspondingly, the front end of the gimbal lever 7 is fixed with the second connecting portion, second connecting portion and engaging lug 17 spaced apart in the lateral direction, second connecting portion is formed with the 4th connecting hole, 4th connecting hole runs through the second connecting portion in left-right direction, 4th connecting hole is relative and measure-alike with the 4th mating holes 171, 3rd axle 64 is engaged in the 4th connecting hole and the 4th mating holes 171, can rotate around the 3rd axle 64 relative to fixed frame to make the gimbal lever 7.
Further, pivotal axis 61 is positioned at immediately below the 3rd axle 64, first axle 62 is positioned at immediately below the second axle 63, and pivotal axis 61 and the 3rd axle 64 distance in the vertical direction equal the first axle 62 and the second axle 63 distance in the vertical direction, thus pivotal axis 61, first axle 62, the subpoint line of centrage in the second plane of the second axle 63 and the 3rd axle 64 forms parallelogram, because the subpoint of centrage in the second plane of pivotal axis 61 and the 3rd axle 64 is positioned on same vertical curve, like this, when lifting arm 2 swings around pivotal axis 61, the subpoint of centrage in second of the first axle 62 and the second axle 63 is also positioned on same vertical curve all the time, that is, when lifting arm 2 swings, suspension rod 31 can vertically be arranged always, due to suspension rod 31 and davit 3 geo-stationary, thus davit 3 is also vertically arranged always.Thus, after davit 3 is subject to the external force of horizontal direction, fixed frame will dynamic balance can be fallen in addition by the gimbal lever 7 and lifting arm 2, make davit 3 keep vertically always, and then ensure that the arm of force that davit 3 acts on lifting arm 2 can be relatively fixing.
In sum, with reference to Fig. 6, the operation principle of tower crane 100 can be summarized as follows: adjustable skid 431 is fixed in one end of lifting arm 2 by guiding mechanism, first slide block 431 is connected with adjustable skid 431 with second connecting rod 442 respectively by isometric first connecting rod 441 with the second slide block 432, and the first slide block 431 slides up and down along corresponding guide post 14 to the second slide block 432 in same first plane, thus when lifting arm 2 drives adjustable skid 431 to swing up and down, adjustable skid 431, the projection of central point in the second plane of the first slide block 431 and the second slide block 432 forms isosceles triangle all the time, paired air spring 41 is applied to the first slide block 421 and the second slide block 422 power F straight down respectively
1and F
2, F
1=F
2, thus the component of making a concerted effort in the horizontal direction that adjustable skid 431 is subject to is zero, the component on vertical direction is definite value, and paired air spring 41 is applied to the power F of the first slide block 421 and the second slide block 422 in compression or drawing process
1and F
2almost constant, and distance between adjustable skid 432 and pivotal axis 61 is relatively little, thus adjustable skid 431 is always zero at making a concerted effort of being subject in the horizontal direction, the change with joint efforts that in the vertical direction is subject to is less, and the first slide block 421 and the second slide block 422 produce less frictional force when corresponding guide post 14 slides up and down, the less change of making a concerted effort that this frictional force and adjustable skid 431 in the vertical direction are subject to offsets, thus make adjustable skid 431 can be subject to more constant vertical resultant force all the time, and then adjustable skid 431 can be applied to one end constant force straight down of lifting arm 2 always, correspondingly, the other end of lifting arm 2 is subject to the power G straight down of davit 3 applying, this power is definite value, and davit 3 is pivotally secured on lifting arm 2, like this, guiding mechanism is regulated to change the position of adjustable skid 431 on lifting arm 2, adjustable skid 431 and davit 3 is made to act on moment equal and opposite in direction on lifting arm 2, thus lifting arm 2 can be in poised state always.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. for a tower crane for indoor, described indoor have ceiling, it is characterized in that, described tower crane comprises:
Fixed frame, described fixed frame is suitable for being fixedly connected on described ceiling;
Lifting arm, described lifting arm is connected on described fixed frame by pivotal axis pivotly to make described lifting arm rotatable around described pivotal axis in perpendicular;
Davit, described davit is connected to the first end of described lifting arm, and described davit vertically extends and drives removable in the vertical direction by described lifting arm;
Balanced controls, described balanced controls are located at the second end of described lifting arm, described balanced controls and described davit lay respectively at the both sides of described pivotal axis, and described balanced structure is removable to make described lifting arm keep balance between described second end and described pivotal axis of described lifting arm; And
Guiding mechanism, described adjust structure is connected with described balanced controls to regulate the position of described balanced controls on described lifting arm.
2. the tower crane for indoor according to claim 1, is characterized in that, described balanced controls comprise:
At least one pair of air spring, air spring described at least one pair of is located in described fixed frame;
Two slide blocks, each described slide block is connected with one of them in air spring often pair described and is driven by described air spring removable in the vertical direction; And
Adjustable skid, described adjustable skid is connected with described two slide blocks respectively pivotly by two connecting rods that length is equal, and described adjustable skid is located at described second end of described lifting arm movably.
3. the tower crane for indoor according to claim 2, is characterized in that, comprise further:
Four guide posts, described four guide posts all vertically extend and are spaced to turn up the soil and are located in described fixed frame, the two ends of each described slide block be set in respectively in described four guide posts wherein on two.
4. the tower crane for indoor according to claim 2, is characterized in that, the middle part of described adjustable skid is provided with a fixed block, and described fixed block is connected with described two slide blocks respectively pivotly by described two connecting rods.
5. the tower crane for indoor according to claim 2, is characterized in that, described adjustable skid has two fixed blocks be spaced apart from each other, and described two fixed blocks are connected with described two slide blocks pivotly respectively by described two connecting rods.
6. the tower crane for indoor according to claim 2, it is characterized in that, described second end of described lifting arm is provided with two elevating levers parallel to each other, and described two elevating levers extend along the length direction of described lifting arm, and described adjustable skid is set on described two elevating levers.
7. the tower crane for indoor according to claim 6, is characterized in that, comprise further:
Two sleeve pipes, described two sleeve pipes are spaced to turn up the soil and are located on described adjustable skid and are set in respectively on described two elevating levers.
8. the tower crane for indoor according to any one of claim 2-7, is characterized in that, described guiding mechanism comprises:
Baffle plate, described baffle plate is located at described second end of described lifting arm and is positioned at the side away from described pivotal axis of described adjustable skid;
Bolt, described bolt is connected with described adjustable skid through described baffle plate; And
Nut, described nut coordinates with described bolt and is located between described baffle plate and described adjustable skid to be bolted to described on described baffle plate.
9. the tower crane for indoor according to claim 1, is characterized in that, comprise further:
Suspension rod, described suspension rod to be located in described davit and to be connected on described lifting arm pivotly by the first axle, and described suspension rod vertically extends;
The gimbal lever, the described gimbal lever is located in described lifting arm, and the described first end of the described gimbal lever is connected with described suspension rod pivotly by the second axle, described second end is connected with described fixed frame pivotly by the 3rd axle,
Wherein said first axle, described second axle and described 3rd axle all with described pivoting axis parallel, described second axle is positioned at directly over described first axle, described 3rd axle is positioned at directly over described pivotal axis, and the distance between described second axle and described first axle equals the distance between described 3rd axle and described pivotal axis.
10. the tower crane for indoor according to claim 1, is characterized in that, described fixed frame comprises:
Top board;
Base plate, described base plate is parallel with described top board and be located at the below of described top board; And
At least one fixed bar, at least one fixed bar is located between described top board and described base plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073723.4A CN104873274B (en) | 2014-02-28 | 2014-02-28 | For indoor tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073723.4A CN104873274B (en) | 2014-02-28 | 2014-02-28 | For indoor tower crane |
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| CN104873274A true CN104873274A (en) | 2015-09-02 |
| CN104873274B CN104873274B (en) | 2018-07-06 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201001772Y (en) * | 2006-12-30 | 2008-01-09 | 天津科波菲尔科技发展有限公司 | Electric suspension-tower |
| CN201603012U (en) * | 2009-12-31 | 2010-10-13 | 北京谊安医疗系统股份有限公司 | Swing arm lifting electric tower crane |
| CN102116407A (en) * | 2009-12-31 | 2011-07-06 | 北京谊安医疗系统股份有限公司 | Mechanical safety device and medical head mast using same |
| WO2011104899A1 (en) * | 2010-02-25 | 2011-09-01 | フドー株式会社 | Ceiling pendant |
| CN203369967U (en) * | 2013-07-25 | 2014-01-01 | 迈柯唯医疗设备(苏州)有限公司 | Medical tower crane based on connecting rod type balance mechanism |
| CN203388944U (en) * | 2013-08-02 | 2014-01-15 | 迈柯唯医疗设备(苏州)有限公司 | Electric lifting structure of medical hanging tower |
| CN203852427U (en) * | 2014-02-28 | 2014-10-01 | 北京谊安医疗系统股份有限公司 | Indoor tower crane |
-
2014
- 2014-02-28 CN CN201410073723.4A patent/CN104873274B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201001772Y (en) * | 2006-12-30 | 2008-01-09 | 天津科波菲尔科技发展有限公司 | Electric suspension-tower |
| CN201603012U (en) * | 2009-12-31 | 2010-10-13 | 北京谊安医疗系统股份有限公司 | Swing arm lifting electric tower crane |
| CN102116407A (en) * | 2009-12-31 | 2011-07-06 | 北京谊安医疗系统股份有限公司 | Mechanical safety device and medical head mast using same |
| WO2011104899A1 (en) * | 2010-02-25 | 2011-09-01 | フドー株式会社 | Ceiling pendant |
| CN203369967U (en) * | 2013-07-25 | 2014-01-01 | 迈柯唯医疗设备(苏州)有限公司 | Medical tower crane based on connecting rod type balance mechanism |
| CN203388944U (en) * | 2013-08-02 | 2014-01-15 | 迈柯唯医疗设备(苏州)有限公司 | Electric lifting structure of medical hanging tower |
| CN203852427U (en) * | 2014-02-28 | 2014-10-01 | 北京谊安医疗系统股份有限公司 | Indoor tower crane |
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| CN104873274B (en) | 2018-07-06 |
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