CN102720343B - Lifting support - Google Patents
Lifting support Download PDFInfo
- Publication number
- CN102720343B CN102720343B CN201210236497.8A CN201210236497A CN102720343B CN 102720343 B CN102720343 B CN 102720343B CN 201210236497 A CN201210236497 A CN 201210236497A CN 102720343 B CN102720343 B CN 102720343B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- swing arm
- crosspiece
- assembly
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A lifting support is characterized by comprising a fixing sleeve frame, a foot pump driving mechanism and a falling-limiting mechanism. The fixing sleeve frame comprises a left side plate, a right side plate and a supporting frame for placing a pedal, the foot pump driving mechanism comprises a first oscillating rod assembly, a friction wheel, a first roller wheel, a foot rest lever assembly, a first connecting rod assembly, a first torsional spring and a first rotary operation handle. Acting force of the first torsional spring forces the friction wheel to prop against the rear lateral side of a stand column in a matching manner and forces the first roller wheel to prop against the front lateral side of the stand column in a matching manner. The falling-limiting mechanism comprises a second oscillating rod assembly, a falling-limiting rod, a second connecting rod assembly and a second torsional spring. According to the invention, two lifting supports are applied and respectively sleeved on one stand column, then one pedal is erected on the supporting frame of the lifting supports of the two stand columns, and therefore a brand new scaffold is formed. Two workers standing on the pedal can synchronously operate the two lifting supports, thereby driving the pedal and the workers to lift or descend.
Description
Technical field
The present invention relates to the apparatus fields of ascending a height such as scaffold, be specifically related to a kind of for building the man power mechanical type lifting support of scaffold.During use, apply two lifting supports, lifting support is respectively placed on a column, thereby then set up a pedal between the lifting support of two columns, forms scaffold, workman stand on simultaneously operating two lifting supports on pedal and can drive pedal and workman self to rise or decline.
Background technology
Scaffold is job site for workman operates and solve support vertical and that horizontal transport is set up, is used in the higher place that cannot directly construct of exterior wall, interior decoration or floor height.
Existing scaffold is varied, from structure, has fastener type steel pipe scaffold, gate type steel pipe scaffold, button disc type scaffold, Quick-mounting aluminium alloy scaffold etc.The frame structure of these scaffolds is all comparatively complicated, and is equipped with lift except large-scale scaffold, scarcely freely lifting, and when needs upper strata or lower layer operation, workman need climb up and down at scaffold, is very dangerous and trouble.
Summary of the invention
The object of the invention is to provide a kind of lifting support, to build the scaffold that novel pedal can oscilaltion, facilitates workman's use.
For achieving the above object, the technical solution used in the present invention is: a kind of lifting support, is comprised of fixed cage, pin pump driving mechanism and whereabouts limiting mechanism;
Described fixed cage comprises left plate, right plate and for shelving the bracket of pedal, left plate is relative with right plate left and right, between left plate and right plate, be formed for holding the longitudinal space of column, described bracket is forwards set firmly by the bottom of left plate and right plate;
Described pin pump driving mechanism comprises the first swing arm assembly, friction wheel, the first roller, foot-driven lever assembly, first connecting rod assembly, the first torsion spring and a rotating operation handle; Described the first swing arm assembly comprises two first swing arms that left and right is relative and symmetrical, this two first swing arm is between left plate and right plate, between two first swing arm rear ends, be connected with described friction wheel, between its front end, be connected with described the first roller, and the front end of two first swing arms extends forward a drive end again in the first roller place; Described foot-driven lever assembly comprise left bar, right bar and be connected to left bar and right bar front end between foot-operated shelves, described left bar and right bar left and right are symmetrical, the rear end of left bar is articulated with on left plate, the rear end of right bar is articulated with on right plate; Described first connecting rod assembly comprises symmetrical the first left connecting rod and the first right connecting rod, and the drive end of the first left small end and left side the first swing arm is hinged, and the middle part of its lower end and left bar is hinged; The drive end of the first right connecting rod upper end and right side the first swing arm is hinged, and the middle part of its lower end and right bar is hinged; And, described the first torsion spring acts between the first left small end and the drive end of left side the first swing arm and between the first right connecting rod upper end and the drive end of right side the first swing arm, on the left of forcing, the active force of the first torsion spring turns on the rear end of the first swing arm and right side the first swing arm, make friction wheel with the trailing flank of column against coordinating, the first roller with the leading flank of column against coordinating; Described rotating operation handle is connected with friction wheel, for driving friction wheel to rotate;
Described whereabouts limiting mechanism is between left plate and right plate, and it comprises the second swing arm assembly, whereabouts limit rod, second connecting rod assembly and the second torsion spring; Described the second swing arm assembly comprises two second swing arms that left and right is relative and symmetrical, between the first end of these two second swing arms, be connected with described whereabouts limit rod, in the periphery of this whereabouts limit rod, be equipped with and stop rib, and extend as release lever one end of whereabouts limit rod; Described second connecting rod assembly comprises symmetrical the second left connecting rod and the second right connecting rod, and the second end of the second left small end and left side the second swing arm is hinged, and the relative left plate in its lower end is fixedly connected with; The second end of the second right connecting rod upper end and right side the second swing arm is hinged, and the relative right plate in its lower end is fixedly connected with; Described the second torsion spring acts between the second left small end and the second end of left side the second swing arm and between the second right connecting rod upper end and the second end of right side the second swing arm, on the left of forcing, the active force of the second torsion spring turns on the first end of the second swing arm and right side the second swing arm, cause to fall and break limit rod stop rib with the trailing flank of column against coordinating, restriction lifting support relative column moves down.
Related content in technique scheme is explained as follows:
1, in such scheme, between the lower end of described the second left connecting rod and the second right connecting rod, be also connected with one second roller, this second roller is used for the leading flank of column against coordinating.
2, in such scheme, described fixed cage also comprises a top guide frame, this leading truck is comprised of left connector, right connector, front jockey wheel and rear directive wheel, described left connector and right connecting rod left and right are oppositely arranged, front jockey wheel is connected between left connector and right connecting rod front end, and rear directive wheel is connected between left connector and right connecting rod rear end; Described top guide is set up in the top of fixed cage, and left connector is fixedly connected with the top of left plate, and right connector is fixedly connected with the top of right plate.
3, in such scheme, described the first swing arm assembly also comprises the first connection crosspiece, and this first connection crosspiece links into an integrated entity two first swing arms at the drive end place of the first swing arm; Described the second swing arm assembly yet comprises the second connection crosspiece, and this second connection crosspiece links into an integrated entity two second swing arms at the second end place of the second swing arm.
Further again, described the first swing arm assembly also comprises that the 3rd connects crosspiece, and the 3rd connects crosspiece is fixedly connected with the rear end of two first swing arms; Described the second swing arm assembly also comprises that the 4th connects crosspiece, and the 4th connects crosspiece is fixedly connected with the first end of two second swing arms.
Further again, described first connecting rod assembly also comprises that the 5th connects crosspiece, and the 5th connects crosspiece links into an integrated entity the upper end of the first left connecting rod and the first right connecting rod; By one first jointed shaft running through, the drive end of the first left small end and left side the first swing arm is hinged, the drive end of the first right connecting rod upper end and right side the first swing arm is hinged; Described the first torsion spring set is located on the first jointed shaft, and its spring arm presses on the 5th connection crosspiece and is connected on crosspiece with first; Described second connecting rod assembly also comprises that the 6th connects crosspiece, and the 6th connects crosspiece links into an integrated entity the upper end of the second left connecting rod and the second right connecting rod; By one second jointed shaft running through, the second end of the second left small end and left side the second swing arm is hinged, the second end of the second right connecting rod upper end and right side the second swing arm is hinged; Described the second torsion spring set is located on the second jointed shaft, and its spring arm presses on the 6th connection crosspiece and is connected on crosspiece with second.
4, in such scheme, described foot-driven lever assembly also comprises a pin ring, and this pin ring is inverted U-shaped open loop, and it is connected between left bar and right bar front end, and is positioned at the top of foot-operated shelves.
5, in such scheme, described whereabouts limit rod can be various cross sectional shapes, for example cross section is triangle, square, pentagon, hexagon etc., and preferred version is: the cross section square of whereabouts limit rod, a seamed edge in its four ribs is as the described rib that stops.
6, in such scheme, described " front " " afterwards " " left side " " right side " direction is state definition while using by lifting support, " front " refers to that lifting support is towards workman's one side, " afterwards " be i.e. the one side contrary with " front ", and " left side " " right side " refers to perpendicular another of " front " " afterwards " direction horizontal direction.
7, in such scheme, described " first ends of two second swing arms ", " the second end of left side the second swing arm ", " first end " in " the second end of right side the second swing arm " and " the second end " are hypothesis definition, when first end is front end, the second end is rear end, otherwise, when first end is rear end, the second end is front end.
Design principle of the present invention and beneficial effect are:
The present invention utilizes fixed cage, pin pump driving mechanism and whereabouts limiting mechanism to form a man power mechanical type lifting support.During use, apply two lifting supports, two lifting supports are respectively placed on a column, thereby then set up a pedal on the bracket of the lifting support of two columns, form a kind of brand-new scaffold.Two workmans stand on two lifting supports of simultaneously operating on pedal and can drive pedal and workman self to rise or decline.Climbing up and down very easy to use, to have avoided workman, safety factor improves greatly.
Accompanying drawing explanation
The structural upright schematic diagram one that accompanying drawing 1 is the embodiment of the present invention;
The structural upright schematic diagram two that accompanying drawing 2 is the embodiment of the present invention;
Accompanying drawing 3 is placed on the schematic diagram one on column while applying for the embodiment of the present invention;
Accompanying drawing 4 is placed on the schematic diagram two on column while applying for the embodiment of the present invention;
View while lifting on foot-driven lever assembly when accompanying drawing 5 is applied for the embodiment of the present invention, in order to express to such an extent that more know in this figure and removed right plate;
View when foot-driven lever assembly falls when accompanying drawing 6 is applied for the embodiment of the present invention, in order to express to such an extent that more know in this figure and removed right plate;
The structural upright schematic diagram one of the pin pump driving mechanism that accompanying drawing 7 is the embodiment of the present invention;
The structural upright schematic diagram two of the pin pump driving mechanism that accompanying drawing 8 is the embodiment of the present invention;
The structural upright schematic diagram one of the whereabouts limiting mechanism that accompanying drawing 9 is the embodiment of the present invention;
The structural upright schematic diagram two of the whereabouts limiting mechanism that accompanying drawing 10 is the embodiment of the present invention.
In above accompanying drawing: 1, fixed cage; 2, pin pump driving mechanism; 3, whereabouts limiting mechanism; 4, left plate; 5, right plate; 6, bracket; 7, column; 8, longitudinal space; 9, top guide frame; 10, left connector; 11, right connector; 12, front jockey wheel; 13, rear directive wheel; 14, the first swing arm assembly; 15, friction wheel; 16, the first roller; 17, foot-driven lever assembly; 18, first connecting rod assembly; 19, the first torsion spring; 20, rotating operation handle; 21, left side the first swing arm; 22, right side the first swing arm; 25, left bar; 26, right bar; 27, foot-operated shelves; 28, first connects crosspiece; 29, the 3rd connects crosspiece; 30, pin ring; 31, the first left connecting rod; 32, the first right connecting rod; 33, the 5th connects crosspiece; 34, the first jointed shaft; 35, clutch; 36, the second swing arm assembly; 37, whereabouts limit rod; 38, second connecting rod assembly; 39, the second torsion spring; 40, left side the second swing arm; 41, right side the second swing arm; 42, stop rib; 43, release lever; 44, second connects crosspiece; 45, the 4th connects crosspiece; 46, the second left connecting rod; 47, the second right connecting rod; 48, the second roller; 49, the 6th connects crosspiece; 50, the second jointed shaft.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: shown in accompanying drawing 1～accompanying drawing 10:
A lifting support, is comprised of fixed cage 1, pin pump driving mechanism 2 and whereabouts limiting mechanism 3.
Described fixed cage 1 comprises left plate 4, right plate 5, for shelving bracket 6 and the top guide frame 9 of pedal.Left plate 4 is relative with right plate 5 left and right, is formed for holding the longitudinal space 8 of column 7 between left plate 4 and right plate 5, and described bracket 6 is forwards set firmly by the bottom of left plate 4 and right plate 5.Top guide frame 9 is comprised of left connector 10, right connector 11, front jockey wheel 12 and rear directive wheel 13.Described left connector 10 and right connecting rod 11 left and right are oppositely arranged, and front jockey wheel 12 is connected between left connector 10 and right connecting rod 11 front ends, and rear directive wheel 13 is connected between left connector 10 and right connecting rod 11 rear ends.Described top guide frame 9 is located at the top of fixed cage 1, and left connector 10 is fixedly connected with the top of left plate 4, and right connector 11 is fixedly connected with the top of right plate 5.
Described pin pump driving mechanism 2 comprises the first swing arm assembly 14, friction wheel 15, the first roller 16, foot-driven lever assembly 17, first connecting rod assembly 18, the first torsion spring 19 and a rotating operation handle 20.Described the first swing arm assembly 14 comprises two first swing arms 21,22 that left and right is relative and symmetrical, this two first swing arm 21,22 is between left plate 4 and right plate 5, between two first swing arm 21,22 rear ends, be connected with described friction wheel 15, between its front end, be connected with described the first roller 16, and the front end of two first swing arms 21,22 extends forward a drive end again in the first roller 16 places.Described the first swing arm assembly 14 also comprises that the first connection crosspiece 28 is connected crosspiece 29 with the 3rd, and this first connection crosspiece 28 links into an integrated entity two first swing arms 21,22 at the drive end place of the first swing arm 21,22; The 3rd connects crosspiece 29 is fixedly connected with the rear end of two first swing arms 21,22.
Described foot-driven lever assembly 17 comprise left bar 25, right bar 26 and be connected to left bar 25 and right bar 26 front ends between foot-operated shelves 27, described left bar 25 and right bar 26 left and right are symmetrical, the rear end of left bar 25 is articulated with on left plate 4, and the rear end of right bar 26 is articulated with on right plate 5.Foot-driven lever assembly 17 also comprises a pin ring 30, and this pin ring 30 is inverted U-shaped open loop, and it is connected between left bar 25 and right bar 26 front ends, and is positioned at the top of foot-operated shelves 27.Concrete foot-operated shelves 27 can be rod members, can be also plate bodys.
Described first connecting rod assembly 18 comprises that the drive end of symmetrical the first left connecting rod 31 and the first right connecting rod 32, the first left connecting rod 31 upper ends and left side the first swing arm 21 is hinged, and the middle part of its lower end and left bar 25 is hinged; The drive end of the first right connecting rod 32 upper ends and right side the first swing arm 22 is hinged, and the middle part of its lower end and right bar 26 is hinged.And, described the first torsion spring 19 acts between the first left connecting rod 31 upper ends and the drive end of left side the first swing arm 21 and between the first right connecting rod 32 upper ends and the drive end of right side the first swing arm 22, on the left of forcing, the active force of the first torsion spring 19 turns on the rear end of the first swing arm 21 and right side the first swing arm 22, make friction wheel 15 with the trailing flank of column 7 against coordinating, the first roller 16 with the leading flank of column against coordinating.Described first connecting rod assembly 18 also comprises that the 5th connection crosspiece 33, the five connects crosspieces 33 upper end of the first left connecting rod 31 and the first right connecting rod 32 is linked into an integrated entity.
And specifically by one first jointed shaft 34 running through, the drive end of the first left connecting rod 31 upper ends and left side the first swing arm 21 is hinged, the drive end of the first right connecting rod 32 upper ends and right side the first swing arm 22 is hinged; Described the first torsion spring 19 is sheathed on the first jointed shaft 34, and its spring arm presses on the 5th connection crosspiece 33 and is connected on crosspiece 28 with first.
Described rotating operation handle 20 is connected with friction wheel 15, be used for driving friction wheel 15 to rotate, specifically as shown in the figure, rotating operation handle 20 can be connected via a clutch 35 with 15 of friction wheels, in the time will using rotating operation handle 20, clutch 35 is closed, and rotating operation handle 20 can drive friction wheel 15 to rotate; When not using rotating operation handle 20, clutch 35 is thrown off, rotating operation handle 20 is thrown off mutually with friction wheel 15, and when friction wheel 15 rotates, rotating operation handle 20 can transfer.
Described whereabouts limiting mechanism 3, between left plate 4 and right plate 5, and is preferably the below that is positioned at pin pump driving mechanism 2 as figure, and close to bracket 6 places.Described whereabouts limiting mechanism 3 comprises the second swing arm assembly 36, whereabouts limit rod 37, second connecting rod assembly 38 and the second torsion spring 39.Described the second swing arm assembly 36 comprises two second swing arms 40,41 that left and right is relative and symmetrical, between these two second swing arms, 40,41 rear ends, is connected with described whereabouts limit rod 37, is equipped with and stops rib 42 in the periphery of this whereabouts limit rod 37.Specifically, as figure, whereabouts limit rod 37 is preferably cross section square, and a seamed edge in four ribs of whereabouts limit rod 37 is as the described rib 42 that stops.And extend as release lever 43 one end of whereabouts limit rod 37.Described the second swing arm assembly 36 yet comprises that the second connection crosspiece 44 and the 4th connects crosspiece 45, this the second connection crosspiece 44 links into an integrated entity two second swing arms 40,41 at the front end place of the second swing arm 40,41, and the 4th connects crosspiece 45 is fixedly connected with the rear end of two second swing arms 40,41.
Described second connecting rod assembly 38 comprises that the front end of symmetrical the second left connecting rod 46 and the second right connecting rod 47, the second left connecting rod 46 upper ends and left side the second swing arm 40 is hinged, and the relative left plate 4 in its lower end is fixedly connected with.The front end of the second right connecting rod 47 upper ends and right side the second swing arm 41 is hinged, and the relative right plate 5 in its lower end is fixedly connected with.Described the second torsion spring 39 acts between the second left connecting rod 46 upper ends and the front end of left side the second swing arm 40 and between the second right connecting rod 47 upper ends and the front end of right side the second swing arm 41, on the left of forcing, the active force of the second torsion spring 39 turns on the rear end of the second swing arm 40 and right side the second swing arm 41, cause to fall and break limit rod 37 stop rib 42 with the trailing flank of column 7 against coordinating, restriction lifting support relative column 7 moves down.
Between the lower end of the second left connecting rod 46 and the second right connecting rod 47, be also connected with one second roller 48, this second roller 48 for the leading flank with column 7 against coordinating.Described second connecting rod assembly 38 also comprises that the 6th connection crosspiece 49, the six connects crosspieces 49 upper end of the second left connecting rod 46 and the second right connecting rod 47 is linked into an integrated entity.And specifically by one second jointed shaft 50 running through, the front end of the second left connecting rod 46 upper ends and left side the second swing arm 40 is hinged, the front end of the second right connecting rod 47 upper ends and right side the second swing arm 41 is hinged; Described the second torsion spring 39 is sheathed on the second jointed shaft 50, and its spring arm presses on the 6th connection crosspiece 49 and is connected on crosspiece 44 with second.
Above-mentioned for illustrating, upside-down mounting before and after whereabouts limiting mechanism 3 is all right, between two second swing arm 40,41 front ends of the second swing arm assembly 36, be connected with described whereabouts limit rod 37, the corresponding rear end of second connecting rod assembly 38 and the second torsion spring 39 correspondences being located to two second swing arms 40,41, the rear end that is about to the second left connecting rod 46 and the second right connecting rod 47 and two second swing arms 40,41 is hinged, within this variation is included in the present embodiment.
When the present embodiment is used, first in the position that needs erecting scaffold, vertically set two root posts 7, then on each column 7, be respectively set with the present embodiment lifting support; Then, then set up an elongated pedal on the bracket 6 of the lifting support of two columns 7, thereby form scaffold.During descending operation, by two workmans, stand on two lifting supports of simultaneously operating on pedal and can drive pedal and workman self to rise or decline.
The lifting work principle of the present embodiment is as follows: under normal condition, whereabouts limit rod 37 jams of whereabouts limiting mechanism 3, on column 7, only can not oppositely fall along moving on column 7 the present embodiment lifting support.And foot-driven lever assembly 17 is fixed on column 7 by the first swing arm assembly 14 with the pin joint a that first connecting rod assembly 18 is hinged.As shown in Figure 5, when workman tramples the foot-operated shelves 27 of foot-driven lever assembly 17 in pin pump driving mechanism 2 downwards, be to take pin joint a to lift on fulcrum has driven the pin joint b of foot-driven lever assembly 17 and left plate 4, right plate 5, on pin joint b, lift the workman who drives on whole fixed cage 1, pedal and pedal and together relatively on column 7, move.When the foot-operated shelves 27 of the foot-driven lever assembly 17 in pin pump driving mechanism 2 drop to extreme position, workman needs as shown in Figure 6, upwards promote again the foot-operated shelves 27 of foot-driven lever assembly 17, when foot-operated shelves 27 are raised, be that to take foot-driven lever assembly 17 be fulcrum with the pin joint b of left plate 4, right plate 5, and drive pin joint a that foot-driven lever assembly 17 and first connecting rod assembly 18 be hinged on move, on pin joint a, move to drive on the relative column 7 of the first swing arm assembly 14 and move, make the first swing arm assembly 14 and pin joint a rise to the higher position on column 7.Then, when workman tramples the foot-operated shelves 27 of foot-driven lever assembly 17 for the second time downwards, be the more high-order fulcrum that is set to pin joint a place, drive on pin joint b and move, be by the workman on whole fixed cage 1, pedal and pedal together relatively column 7 moved one section on again, with this, repeat, make a section ground batch (-type) of workman on pedal and pedal increase.
When need decline lifting support, the release lever 43 that needs the whereabouts limit rod 37 that workman's pin steps on or pull with hand, the rib 42 of stopping of limit rod 37 of causing to fall and break departs from columns 7, rotate at the same time rotating operation handle 20, friction wheel 15 rolls on column 7, drive the first swing arm assembly 14 to decline, drive the workman on whole lifting support, pedal and pedal together to decline, once unclamp the release lever 43 of whereabouts limit rod 37, the rib 42 that stops of whereabouts limit rod 37 can reset at once, and multiple block is again on column 7.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (8)
1. a lifting support, is characterized in that: fixed cage, pin pump driving mechanism and whereabouts limiting mechanism, consist of;
Described fixed cage comprises left plate, right plate and for shelving the bracket of pedal, left plate is relative with right plate left and right, between left plate and right plate, be formed for holding the longitudinal space of column, described bracket is forwards set firmly by the bottom of left plate and right plate;
Described pin pump driving mechanism comprises the first swing arm assembly, friction wheel, the first roller, foot-driven lever assembly, first connecting rod assembly, the first torsion spring and a rotating operation handle; Described the first swing arm assembly comprises two first swing arms that left and right is relative and symmetrical, this two first swing arm is between left plate and right plate, between two first swing arm rear ends, be connected with described friction wheel, between its front end, be connected with described the first roller, and the front end of two first swing arms extends forward a drive end again in the first roller place; Described foot-driven lever assembly comprise left bar, right bar and be connected to left bar and right bar front end between foot-operated shelves, described left bar and right bar left and right are symmetrical, the rear end of left bar is articulated with on left plate, the rear end of right bar is articulated with on right plate; Described first connecting rod assembly comprises symmetrical the first left connecting rod and the first right connecting rod, and the drive end of the first left small end and left side the first swing arm is hinged, and the middle part of its lower end and left bar is hinged; The drive end of the first right connecting rod upper end and right side the first swing arm is hinged, and the middle part of its lower end and right bar is hinged; And, described the first torsion spring acts between the first left small end and the drive end of left side the first swing arm and between the first right connecting rod upper end and the drive end of right side the first swing arm, on the left of forcing, the active force of the first torsion spring turns on the rear end of the first swing arm and right side the first swing arm, make friction wheel with the trailing flank of column against coordinating, the first roller with the leading flank of column against coordinating; Described rotating operation handle is connected with friction wheel, for driving friction wheel to rotate;
Described whereabouts limiting mechanism is between left plate and right plate, and it comprises the second swing arm assembly, whereabouts limit rod, second connecting rod assembly and the second torsion spring; Described the second swing arm assembly comprises two second swing arms that left and right is relative and symmetrical, between the first end of these two second swing arms, be connected with described whereabouts limit rod, in the periphery of this whereabouts limit rod, be equipped with and stop rib, and extend as release lever one end of whereabouts limit rod; Described second connecting rod assembly comprises symmetrical the second left connecting rod and the second right connecting rod, and the second end of the second left small end and left side the second swing arm is hinged, and the relative left plate in its lower end is fixedly connected with; The second end of the second right connecting rod upper end and right side the second swing arm is hinged, and the relative right plate in its lower end is fixedly connected with; Described the second torsion spring acts between the second left small end and the second end of left side the second swing arm and between the second right connecting rod upper end and the second end of right side the second swing arm, on the left of forcing, the active force of the second torsion spring turns on the first end of the second swing arm and right side the second swing arm, cause to fall and break limit rod stop rib with the trailing flank of column against coordinating, restriction lifting support relative column moves down.
2. lifting support according to claim 1, is characterized in that: between the lower end of described the second left connecting rod and the second right connecting rod, be also connected with one second roller, this second roller for the leading flank of column against coordinating.
3. lifting support according to claim 1, it is characterized in that: described fixed cage also comprises a top guide frame, this leading truck is comprised of left connector, right connector, front jockey wheel and rear directive wheel, described left connector and right connecting rod left and right are oppositely arranged, front jockey wheel is connected between left connector and right connecting rod front end, and rear directive wheel is connected between left connector and right connecting rod rear end; Described top guide is set up in the top of fixed cage, and left connector is fixedly connected with the top of left plate, and right connector is fixedly connected with the top of right plate.
4. lifting support according to claim 1, is characterized in that: described the first swing arm assembly also comprises the first connection crosspiece, and this first connects crosspiece and at the drive end place of the first swing arm, two first swing arms are linked into an integrated entity; Described the second swing arm assembly yet comprises the second connection crosspiece, and this second connection crosspiece links into an integrated entity two second swing arms at the second end place of the second swing arm.
5. lifting support according to claim 4, is characterized in that: described the first swing arm assembly also comprises that the 3rd connects crosspiece, and the 3rd connects crosspiece is fixedly connected with the rear end of two first swing arms; Described the second swing arm assembly also comprises that the 4th connects crosspiece, and the 4th connects crosspiece is fixedly connected with the first end of two second swing arms.
6. lifting support according to claim 4, is characterized in that: described first connecting rod assembly also comprises that the 5th connects crosspiece, and the 5th connects crosspiece links into an integrated entity the upper end of the first left connecting rod and the first right connecting rod; By one first jointed shaft running through, the drive end of the first left small end and left side the first swing arm is hinged, the drive end of the first right connecting rod upper end and right side the first swing arm is hinged; Described the first torsion spring set is located on the first jointed shaft, and its spring arm presses on the 5th connection crosspiece and is connected on crosspiece with first; Described second connecting rod assembly also comprises that the 6th connects crosspiece, and the 6th connects crosspiece links into an integrated entity the upper end of the second left connecting rod and the second right connecting rod; By one second jointed shaft running through, the second end of the second left small end and left side the second swing arm is hinged, the second end of the second right connecting rod upper end and right side the second swing arm is hinged; Described the second torsion spring set is located on the second jointed shaft, and its spring arm presses on the 6th connection crosspiece and is connected on crosspiece with second.
7. lifting support according to claim 1, is characterized in that: described foot-driven lever assembly also comprises a pin ring, and this pin ring is inverted U-shaped open loop, and it is connected between left bar and right bar front end, and is positioned at the top of foot-operated shelves.
8. lifting support according to claim 1, is characterized in that: the cross section square of described whereabouts limit rod, a seamed edge in its four ribs is as the described rib that stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236497.8A CN102720343B (en) | 2012-07-10 | 2012-07-10 | Lifting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236497.8A CN102720343B (en) | 2012-07-10 | 2012-07-10 | Lifting support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720343A CN102720343A (en) | 2012-10-10 |
| CN102720343B true CN102720343B (en) | 2014-08-20 |
Family
ID=46946195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210236497.8A Active CN102720343B (en) | 2012-07-10 | 2012-07-10 | Lifting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102720343B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083394B (en) * | 2018-10-15 | 2020-11-24 | 山东连豪机电设备有限公司 | Wall-extending and diameter-reducing brick chimney hanging basket for aerial work |
| CN113482311B (en) * | 2021-06-29 | 2023-01-03 | 中交二公局第七工程有限公司 | Construction auxiliary mounting frame for green engineering construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036982U (en) * | 1988-06-08 | 1989-05-03 | 浦生喜 | Automatic elevating platform for wall treatment of storied building |
| CN2056421U (en) * | 1989-03-24 | 1990-04-25 | 归丁华 | Pedal lift |
| CN2150277Y (en) * | 1992-12-30 | 1993-12-22 | 安玉明 | Moveable scaffold |
| CN201030172Y (en) * | 2006-12-04 | 2008-03-05 | 青岛英派斯（集团）有限公司 | Pedal lifting regulating mechanism of body-building machine |
| CN202718378U (en) * | 2012-07-10 | 2013-02-06 | 苏州荣利达工具有限公司 | Lifting support |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1150666A (en) * | 1997-07-31 | 1999-02-23 | Tatsuo Ono | Device for stretching sheet |
-
2012
- 2012-07-10 CN CN201210236497.8A patent/CN102720343B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036982U (en) * | 1988-06-08 | 1989-05-03 | 浦生喜 | Automatic elevating platform for wall treatment of storied building |
| CN2056421U (en) * | 1989-03-24 | 1990-04-25 | 归丁华 | Pedal lift |
| CN2150277Y (en) * | 1992-12-30 | 1993-12-22 | 安玉明 | Moveable scaffold |
| CN201030172Y (en) * | 2006-12-04 | 2008-03-05 | 青岛英派斯（集团）有限公司 | Pedal lifting regulating mechanism of body-building machine |
| CN202718378U (en) * | 2012-07-10 | 2013-02-06 | 苏州荣利达工具有限公司 | Lifting support |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-50666A 1999.02.23 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102720343A (en) | 2012-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105507572B (en) | The scaffold that can be walked | |
| CN206801439U (en) | A kind of Multifunctional stairs | |
| CN201125524Y (en) | Construction site climbing mobile platform | |
| CN105537898A (en) | Tool for assembling reinforcing steel mesh cages | |
| CN102720343B (en) | Lifting support | |
| CN201972433U (en) | Shaftless lifting sidesway parking equipment | |
| CN202718378U (en) | Lifting support | |
| CN105201395A (en) | Mobile climbing ladder facilitating fixed positioning | |
| CN201377164Y (en) | Movable and liftable operation table | |
| CN111827718A (en) | Assembled building strutting arrangement | |
| CN104100076A (en) | Device for installing hanging bars of indoor suspended ceiling | |
| CN205476384U (en) | Scaffold that can walk | |
| CN207511796U (en) | A kind of adjustable height for construction moves ladder | |
| CN215717052U (en) | Scaffold structure for building construction | |
| CN206128599U (en) | Console mode hydraulic pressure lifting foot hand rack system | |
| CN205820800U (en) | The hydraulic lift without scaffold building template frame can be realized | |
| CN101670994B (en) | Lifting working platform for construction | |
| CN203961769U (en) | Track bridge reinforcing working stand | |
| CN203319589U (en) | Hoisting machine for installing air hose | |
| JP2008167735A (en) | Pair of stilts for farm work | |
| CN201485236U (en) | Construction lift working platform | |
| CN218970569U (en) | Scaffold for building construction | |
| CN205172412U (en) | Removal ladder of ascending a height convenient to fixed position | |
| CN218375063U (en) | Scaffold frame of high security | |
| CN104773670A (en) | Tire lifting jack for automobile repairing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190626 Address after: 215000 Maoping Road 109, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Pica Aluminum Industry Co., Ltd. Address before: 215164 No. 588 Dongxin Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Suzhou Ronglida Tool Co.,Ltd. |
|
| TR01 | Transfer of patent right |