CN107337110B - The interim simple lifting appliance of road construction - Google Patents
The interim simple lifting appliance of road construction Download PDFInfo
- Publication number
- CN107337110B CN107337110B CN201710730855.3A CN201710730855A CN107337110B CN 107337110 B CN107337110 B CN 107337110B CN 201710730855 A CN201710730855 A CN 201710730855A CN 107337110 B CN107337110 B CN 107337110B
- Authority
- CN
- China
- Prior art keywords
- plate
- pulley
- boom
- wirerope
- positioning pin
- 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.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The interim simple lifting appliance of road construction, including the whole braced frame in rectangular shape, boom is provided with by manual positioning mechanism at the top of braced frame, hoist engine is provided in braced frame on front side of boom, boom right end is rotatably connected to the first fixed pulley, wirerope locking member is provided on rear side of boom, boom front side portion is rotatably connected to the second fixed pulley, wirerope is wound on hoist engine, the drawing end of wirerope sequentially passes through the second fixed pulley, it is scheduled in stand after first fixed pulley and wirerope locking member by U-shaped fixing, the hook assembly for hanging weight is provided on wirerope between the first fixed pulley and wirerope locking member.Each spare and accessory parts of the invention are all made of the structure of separable assembled, with with dress, have certain lifting capacity, it can move on construction ground, and install convenient and efficient, the present invention sufficiently lowers the labor intensity of worker in road construction, it improves work efficiency, and safer and more reliable.
Description
Technical field
The invention belongs to technical field of road construction, and in particular to a kind of interim simple lifting appliance of road construction.
Background technique
During municipal road construction, due to wanting pre-buried various pipelines (drainpipe, steam heating pipe, natural gas tube under road
Etc.) and excavate inspection shaft, inspection-pit, this just needs to carry out along road to excavate groove and foundation pit, and worker is in groove and foundation pit
When carrying out construction operation, the worker on ground can deliver construction appliance and construction material into groove and foundation pit.At present generally all
Using manually being operated, this not only large labor intensity, working efficiency is low, and anti-due to being not provided with around groove and foundation pit
Guardrail, when delivering heavier construction appliance and construction material downwards, the worker on ground is easy to be slipped in groove or foundation pit,
With biggish security risk.
Summary of the invention
In order to solve shortcoming in the prior art, provide one kind can reduce labor intensity of workers, improves work the present invention
Make the interim simple lifting appliance of the strong road construction of efficiency, security reliability.
In order to solve the above technical problems, the present invention adopts the following technical scheme: the interim simple lifting appliance of road construction,
Including the whole braced frame in rectangular shape, braced frame bottom is provided with traveling wheel, and braced frame top is along front and back
To being provided at least two supporting beams, left and right horizontal direction is provided with a boom at the top of supporting beam, in every supporting beam
One is provided with for fixing the manual positioning mechanism of boom, front side horizontal is provided with mounting plate, mounting plate at the top of braced frame
On be provided with hoist engine, boom right end is fixedly installed first pulley bracket, passes through horizontally disposed the on first pulley bracket
One pulley spindle is rotatably connected to the first fixed pulley, and boom rear lateral portion is fixedly installed wirerope locking at neighbouring first fixed pulley
Part, boom front side portion are just fixedly installed second pulley frame on the support frame, by being vertically arranged on second pulley frame
Second pulley axis is rotatably connected to the second fixed pulley, is provided with stand on rear side of boom at the top of braced frame, winds on hoist engine
Pass through U-shaped card after thering is wirerope, the drawing end of wirerope to sequentially pass through the second fixed pulley, the first fixed pulley and wirerope locking member
It is fixed in stand, is provided with the suspension hook group for hanging weight on wirerope between the first fixed pulley and wirerope locking member
Part.
The first positioning pin that Anti-rope drop is used for above the first fixed pulley is equipped on first pulley frame.
Hook assembly includes movable pulley, third pulley yoke and suspension hook, and movable pulley is rotatably connected on by third pulley spindle
On three pulley yokes, the setting of third pulley yoke lower part is used for the second positioning pin of Anti-rope drop, third there are two being located at below movable pulley
Pulley yoke bottom is fixedly installed plate in the horizontal direction, is provided with circular hole in the middle part of plate, suspension hook top is protruded into and is rotatablely connected
In circular hole, suspension hook upper end is fixedly installed the limited block above plate, and limited block is greater than circular hole.
Wirerope locking member includes U-shaped board, clapboard, third positioning pin and the 4th positioning pin, top, the bottom of U-shaped board
It is open with left side, it is fixedly connected on rear side of the forward upper and boom of U-shaped board, third positioning pin is located above the 4th positioning pin,
Third positioning pin and the 4th positioning pin are along the longitudinal direction horizontal through U-shaped board, distance of the third positioning pin apart from U-shaped board bottom
Distance greater than the 4th positioning pin apart from U-shaped board bottom, clapboard structure with a narrow upper and lower width, clapboard are extend into U-shaped board
And contacted with third positioning pin and the press of the 4th positioning pin on the left of clapboard, wirerope bottom along U-shaped board is worn from bottom to top
U-shaped board is crossed, the rear side of clapboard is contacted by wirerope with the press of U-shaped board bottom, the trailing flank of clapboard and the inner wall of U-shaped board
It is provided with the anti-skidding form friction pattern that wirerope closely crimps.
Manual positioning mechanism includes front vertical plate, back vertical plate, locking screw, handlebar, U-shaped washer, lower bearing pin and upper pin,
Front vertical plate and back vertical plate are vertically set on support top surface of the beam, and front vertical plate and back vertical plate are located at front side and the rear side of boom,
Back vertical plate is rotatably connected to pressing plate by hinge；
The open lower mounting groove in front side, rear side and top is offered among front vertical plate upper end, middle part is opened on front side of pressing plate
Equipped with the guide groove that top, bottom and front side are open, lower bearing pin passes through lower mounting groove along the longitudinal direction and is rotatably connected on pressure
On plate, the outer diameter of lower bearing pin is greater than the outer diameter of locking screw, locking screw along the radial direction of lower bearing pin pass through lower bearing pin and with
Lower bearing pin is threadedly coupled, and the centre of handlebar front end offers the open upper mounting groove in bottom and front side, in locking screw
End is located in upper mounting groove, and upper pin passes through locking screw in left-right direction and is rotatably connected on handlebar right part, upper pin
Outer diameter be less than locking screw outer diameter, U-shaped washer bottom be fixedly connected on pressing plate upper surface and be located at guide groove right above, U
Type washer is transparent and front side is open, and upper mounting groove, the inner hole of U-shaped washer, guide groove and lower mounting groove are corresponding in turn to up and down；
When locking screw is in plumbness, locking screw is sequentially located at mounting groove, U-shaped washer, guide groove and lower peace from top to bottom
The inside of tankage, the outer profile of the front end of handlebar from front side surface top to bottom are in gradually around the center line of upper pin
The variable diameter globoidal structure of increase, U-shaped bead top are provided with identical and press fit arc corresponding with variable diameter globoidal structure
Slot.
Pressing plate lower surface is provided with several for compressing the rubber block of boom upper surface；Handle rod rear end is folded upward at shape
At the portion that upwarps, pressing plate upper surface is provided with the elastic pressuring plate that can be horizontally rotated by fastening bolt, and elastic pressuring plate front end is provided with
The location hook of press fit is pressed with the portion of upwarping, and is provided with hand-held part on elastic pressuring plate.
It is provided between the front side and upper surface of support beam of front vertical plate, between the rear side and upper surface of support beam of back vertical plate
Stiffener plate.
Braced frame lower rearward side is hinged with pedal by hinge, and pedal left bottom is provided with the support vertical with pedal
The lower side of limit plate, support limit plate is greater than height of the hinge apart from ground along the height in pointed structures, support limit plate,
Tilt prop is provided between pedal lower surface and support limit plate；When pedal is flipped up with braced frame left contact,
Pedal is connect by connecting bolt with braced frame.
By adopting the above technical scheme, the present invention is in work in use, worker hangs the construction area of the invention for shifting road onto
Hook is located at the surface of groove or foundation pit, and boom can be used square steel tube and be made, and square steel tube avoids rotating, due to boom front
Connection bolt is backed out in order to make braced frame that there is good stability for cantilever design, pedal and support limit plate is downward
It turns over, the downside pointed structures support of support limit plate on the ground, places clump weight or worker station on pedal on pedal,
Pointed structures can be pierced into subsurface, can position braced frame in this way, traveling wheel is avoided to move in operation process, really
The stability of lifting is protected, then suspension hook can be mounted to weight (construction appliance or construction raw material), manipulate hoist engine for weight
It is transported downwards from ground.
One end of wirerope is pulled by hoist engine in the present invention, and the other end of wirerope passes through U-shaped board, with one
One end that U-shaped card passes through the wirerope of U-shaped board is stuck in stand, prevents looseness of steel wire ropes, plays the role of ultimate insurance, so
Third positioning pin and the 4th positioning pin are installed in insertion in U-shaped board afterwards, and clapboard is from top to bottom inserted into U-shaped board, are used
Hammer pounds downwards the upper end of clapboard, contacts with third positioning pin and the press of the 4th positioning pin on the left of clapboard, clapboard
Rear side is contacted by wirerope with the press of U-shaped board bottom.Since the trailing flank of clapboard and the inner wall of U-shaped board are provided with steel wire
The anti-skidding form friction pattern that rope closely crimps, wirerope stress pull down clapboard, wirerope can be made firmly to lock in this way.
Boom in the present invention can carry out the adjusting of length according to actual position, and when adjusting can operate manual localization machine
Structure unclamps boom, then moves boom in left-right direction.The movable length of boom in place after, then manipulate manual positioning mechanism lock
Tight boom, specifically manipulates process are as follows: hand-held handlebar is rotated up by shaft of lower bearing pin, when locking screw turns to vertical configuration
When state, handlebar right part is located above U-shaped washer, and another hand presses down on pressing plate, make the rubber block of pressing plate lower surface to
Under press handlebar,
Then rotating handle bar drives locking screw rotation, since locking screw is threadedly coupled with lower bearing pin, locking screw
Rotation just move down the right part of handlebar, when handlebar right part and U-shaped washer contacts and manual rotational handle
When bar is relatively elaborate, the hand of pressing pressing plate is unclamped, pressing handlebar is rotated handlebar to left down with upper pin center line, made
Handlebar left end bottom is contacted with pressing plate upper surface, since the outer profile of the right part of handlebar surrounds the center line of upper pin certainly
Right upper portion is to left lower in the variable diameter globoidal structure being gradually increased, as handlebar turns left, the right part of handlebar
Outer profile will be by U-shaped washer gradually clamping platen, several rubber blocks of pressing plate lower surface setting will be further tight
The upper surface for pressing boom, so that boom is fixed.The hand-held part on elastic pressuring plate finally is pulled with hand again, drives elasticity pressure
Piece horizontally rotates by center line of fastening bolt, when touching when upwarping portion of handlebar left end, mentions elastic pressuring plate upwards, makes bullet
Property tabletting location hook tightly suppress the portion that upwarps of handlebar downwards, can ensure that handlebar positioning is motionless in this way.
Since U-shaped bead top is provided with identical and press fit arc groove corresponding on variable diameter globoidal structure, this
One structure really will not can move forward the U-shaped washer of disengaging by handlebar lock stud in the case where motionless, to keep pressing plate firm
Ground presses boom, so that boom and braced frame is kept integral structure, to play good security reliability.
Stiffener plate plays the role of enhancing bonding strength between front vertical plate, back vertical plate and supporting beam, it is ensured that positioning boom
Reliability.Tilt prop plays the role of enhancing bonding strength between pedal and support limit plate, it is ensured that support limit plate by
The plumbness with pedal is kept when to weight.
In addition, two square steel tube side-by-sides can be welded as a whole in order to increase the intensity of boom, i.e. lifting capacity.Certainly, this
Sample needs to increase the distance between front vertical plate and back vertical plate to place two square steel tubes.
In conclusion the present invention has rational design, structure is simple, each spare and accessory parts are all made of the structure of separable assembled, with
With dress, there is certain lifting capacity, can move on construction ground, and install convenient and efficient, especially for boom, is
Easy to carry and storage, is frequently necessary to dismantle after use, is locked and dismantled by manual positioning mechanism, not only safety
It is highly reliable and quite convenient quick.In short, the present invention sufficiently lowers the labor intensity of worker in road construction, improve
Working efficiency, and it is safer and more reliable.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is the left view of manual positioning mechanism in Fig. 2；
Fig. 5 is B direction view in Fig. 4.
Specific embodiment
As Figure 1-Figure 5, the interim simple lifting appliance of road construction of the invention, including whole is in rectangular shape
Braced frame 1,1 bottom of braced frame is provided with traveling wheel 2, and 1 top of braced frame is provided at least two along the longitudinal direction
Supporting beam 3,3 top of supporting beam are provided with a boom 4 along left and right horizontal direction, a use are provided in every supporting beam 3
In the manual positioning mechanism 5 of fixed boom 4,1 top front side horizontal of braced frame is provided with mounting plate 6, is provided on mounting plate 6
Hoist engine 7,4 right end of boom are fixedly installed first pulley bracket 8, slide on first pulley bracket 8 by horizontally disposed first
Wheel shaft is rotatably connected to the first fixed pulley 9, and 4 rear lateral portion of boom is fixedly installed wirerope locking at neighbouring first fixed pulley 9
Part 10,4 front side portion of boom are fixedly installed second pulley frame 11 above braced frame 1, by along perpendicular on second pulley frame 11
It is rotatably connected to the second fixed pulley 12 to the second pulley axis of setting, 1 top of braced frame is provided with stand on rear side of boom 4
13, wirerope 14 is wound on hoist engine 7, and the drawing end of wirerope 14 sequentially passes through the second fixed pulley 12,9 and of the first fixed pulley
It is fixed in stand 13 after wirerope locking member 10 by U-shaped card 15, is locked on wirerope 14 in the first fixed pulley 9 and wirerope
The hook assembly for hanging weight is provided between part 10.
The first positioning pin 16 that Anti-rope drop is used for above the first fixed pulley 9 is equipped on first pulley frame.
Hook assembly includes movable pulley 17, third pulley yoke 18 and suspension hook 19, and movable pulley 17 is rotated by third pulley spindle
Be connected on third pulley yoke 18, the setting of 18 lower part of third pulley yoke there are two be located at below movable pulley 17 for Anti-rope drop the
Two positioning pins 20,18 bottom of third pulley yoke are fixedly installed plate 21 in the horizontal direction, are provided with circular hole in the middle part of plate 21, hang
19 top of hook is protruded into and is rotatably connected in circular hole, and 19 upper end of suspension hook is fixedly installed the limited block 22 above plate 21,
Limited block 22 is greater than circular hole.
Wirerope locking member 10 includes U-shaped board 23, clapboard 24, third positioning pin 25 and the 4th positioning pin 26, U-shaped board 23
Top, bottom and left side it is open, be fixedly connected on rear side of the forward upper and boom 4 of U-shaped board 23, third positioning pin 25 is located at
4th positioning pin, 26 top, along the longitudinal direction horizontal through U-shaped board 23, third is fixed for third positioning pin 25 and the 4th positioning pin 26
Distance of the position pin 25 apart from 23 bottom of U-shaped board is greater than distance of the 4th positioning pin 26 apart from 23 bottom of U-shaped board, and clapboard 24 is presented
Narrow structure under width, clapboard 24 is extend into U-shaped board 23 and 24 left side of clapboard is positioned with third positioning pin 25 and the 4th
The press contact of pin 26, the bottom along U-shaped board 23 of wirerope 14 pass through U-shaped board 23 from bottom to top, and the rear side of clapboard 24 passes through steel
Cord 14 is contacted with the press of 23 bottom of U-shaped board, and the trailing flank of clapboard 24 and the inner wall of U-shaped board 23 are provided with wirerope 14 tightly
The anti-skidding form friction pattern of close crimping.
Manual positioning mechanism 5 includes front vertical plate 27, back vertical plate 28, locking screw 29, handlebar 30, U-shaped washer 31, lower pin
Axis 32 and upper pin 33, front vertical plate 27 and back vertical plate 28 are vertically set on 3 top surface of supporting beam, and front vertical plate 27 and back vertical plate 28 divide
Not Wei Yu boom 4 front side and rear side, back vertical plate 28 turn 34 by hinge and dynamic be connected with pressing plate 35；
The open lower mounting groove 36 in front side, rear side and top, 35 front side of pressing plate are offered among 27 upper end of front vertical plate
Middle part offers the open guide groove 37 in top, bottom and front side, and lower bearing pin 32 passes through lower mounting groove 36 simultaneously along the longitudinal direction
It is rotatably connected on pressing plate 35, the outer diameter of lower bearing pin 32 is greater than the outer diameter of locking screw 29, and locking screw 29 is along lower bearing pin 32
Radial direction passes through lower bearing pin 32 and is threadedly coupled with lower bearing pin 32, and the centre of 30 front end of handlebar offers bottom and front side
Open upper mounting groove 38,29 upper end of locking screw are located in upper mounting groove 38, and upper pin 33 passes through locking in left-right direction
Screw rod 29 is simultaneously rotatably connected on 30 right part of handlebar, and the outer diameter of upper pin 33 is less than the outer diameter of locking screw 29, U-shaped washer 31
Bottom is fixedly connected on 35 upper surface of pressing plate and is located at right above guide groove 37, and U-shaped washer 31 is transparent and front side is open, on
Mounting groove 38, the inner hole of U-shaped washer 31, guide groove 37 and about 36 lower mounting groove are corresponding in turn to；Locking screw 29 is in vertical
When state, locking screw 29 is sequentially located at mounting groove 38, U-shaped washer 31, guide groove 37 and lower mounting groove 36 from top to bottom
Inside, the outer profile of the front end of handlebar 30 are in gradually to increase from front side surface top to bottom around the center line of upper pin 33
Big variable diameter globoidal structure 39 is provided with coincide and press fit corresponding with variable diameter globoidal structure 39 at the top of U-shaped washer 31
Arc groove 40.
35 lower surface of pressing plate is provided with several for compressing the rubber block 41 of 4 upper surface of boom；30 rear end of handlebar to
On be bent to form the portion of upwarping 42,35 upper surface of pressing plate is provided with the elastic pressuring plate 43 that can be horizontally rotated, bullet by fastening bolt 49
Property 43 front end of tabletting be provided with and upwarp the location hook 44 that portion 42 presses press fit, be provided with hand-held part on elastic pressuring plate 43
45。
Between 3 upper surface of front side and supporting beam of front vertical plate 27, between 3 upper surface of the rear side of back vertical plate 28 and supporting beam
It is provided with stiffener plate 46.
1 lower rearward side of braced frame is hinged with pedal 47 by hinge 50, and 47 left bottom of pedal is provided with and pedal 47
Vertical support limit plate 51, along in pointed structures 52, the height of support limit plate 51 is greater than the lower side of support limit plate 51
Height of the hinge apart from ground is provided with tilt prop 48 between 47 lower surface of pedal and support limit plate 51；When pedal 47 is upward
When being turned to 1 left contact of braced frame, pedal 47 is connect by connecting bolt 53 with braced frame 1.
For the present invention in work in use, the present invention is shifted onto the construction area of road by worker, suspension hook 19 is located at groove or base
The surface in hole, boom 4 can be used square steel tube and be made, and square steel tube avoids rotating, since 4 front of boom is cantilever design,
In order to make braced frame 1 that there is good stability, connection bolt 53 is backed out, pedal 47 and support limit plate 51 are turned over downwards,
The support of downside pointed structures 52 of support limit plate 51 on the ground, places clump weight or worker station in pedal on pedal 47
On 47, pointed structures 52 can be pierced under ground 54, can be positioned braced frame 1 in this way, be avoided traveling wheel 2 in operation
It is moved in journey, it is ensured that then suspension hook 19 can be mounted weight (construction appliance or construction raw material), manipulation by the stability of lifting
Hoist engine 7 transports weight from ground downwards.
One end of wirerope 14 is pulled by hoist engine 7 in the present invention, and the other end of wirerope 14 passes through U-shaped board
23, it is stuck in stand 13 with one end that a U-shaped card 15 passes through the wirerope 14 of U-shaped board 23, prevents wirerope 14 from loosening, risen
To the effect of ultimate insurance, then third positioning pin 25 and the 4th positioning pin 26, clapboard 24 are installed in insertion in U-shaped board 23
It is from top to bottom inserted into U-shaped board 23, pounds the upper end of clapboard 24 downwards using hammer, 24 left side of clapboard is positioned with third
The rear side of pin 25 and the press contact of the 4th positioning pin 26, clapboard 24 is contacted by wirerope 14 with the press of 23 bottom of U-shaped board.By
The anti-skidding form friction pattern that wirerope 14 closely crimps, wirerope are provided in the trailing flank of clapboard 24 and the inner wall of U-shaped board 23
14 stress pull down clapboard 24, wirerope 14 can be made firmly to lock in this way.
Boom 4 in the present invention can carry out the adjusting of length according to actual position, and when adjusting can operate manual positioning
Mechanism 5 unclamps boom 4, then moves boom 4 in left-right direction.The movable length of boom 4 in place after, then manipulate manual positioning
Mechanism 5 locks boom 4, specifically manipulates process are as follows: hand-held handlebar 30 is rotated up with lower bearing pin 32 for shaft, works as locking screw
29 when turning to plumbness, and 30 right part of handlebar is located at U-shaped 31 top of washer, and another hand presses down on pressing plate 35, makes
The rubber block 41 of 35 lower surface of pressing plate presses downwards handlebar 30,
Then rotating handle bar 30 drives locking screw 29 to rotate, since locking screw 29 is threadedly coupled with lower bearing pin 32,
The rotation of locking screw 29 just moves down the right part of handlebar 30, when right part and the U-shaped washer 31 of handlebar 30 connect
Touch and manual rotational handle bar 30 it is relatively elaborate when, unclamp pressing pressing plate 35 hand, pressing handlebar 30 make 30 or more handlebar
Pin shaft 33 is that center line rotates to left down, contacts 30 left end bottom of handlebar with 35 upper surface of pressing plate, due to handlebar 30
The outer profile of right part is in the variable diameter cambered surface knot being gradually increased from right upper portion to left lower around the center line of upper pin 33
Structure 39, as handlebar 30 turns left, the outer profile of the right part of handlebar 30 will gradually compress pressure by U-shaped washer 31
Several rubber blocks 41 of plate 35, the setting of 35 lower surface of pressing plate will further press the upper surface of boom 4, thus by boom 4
It is fixed.The hand-held part 45 on elastic pressuring plate 43 finally is pulled with hand again, is driven during elastic pressuring plate 43 with fastening bolt 49 is
Heart line horizontally rotates, and when touching when upwarping portion 42 of 30 left end of handlebar, mentions elastic pressuring plate 43 upwards, makes elastic pressuring plate 43
What location hook 44 tightly suppressed downwards handlebar 30 upwarps portion 42, and it is motionless to can ensure that handlebar 30 positions in this way.
Due to being provided with identical and press fit arc groove corresponding on variable diameter globoidal structure 39 at the top of U-shaped washer 31
40, this structure really will not can move forward the U-shaped washer 31 of disengaging by lock stud in the case where motionless of handlebar 30, to make
Pressing plate 35 securely presses boom 4, so that boom 4 and braced frame 1 is kept integral structure, to play good security reliability.
Stiffener plate 46 plays the role of enhancing bonding strength between front vertical plate 27, back vertical plate 28 and supporting beam 3, it is ensured that fixed
The reliability of position boom 4.Tilt prop 48 plays the role of enhancing bonding strength between pedal 47 and support limit plate 51, it is ensured that branch
Support limit plate 51 is kept and the plumbness of pedal 47 when by weight.
In addition, two square steel tube side-by-sides can be welded as a whole in order to increase boom semi-finals degree, i.e. lifting capacity.Certainly, this
Sample needs to increase the distance between front vertical plate 27 and back vertical plate 28 to place two square steel tubes.
The present embodiment not makes any form of restriction shape of the invention, material, structure etc., all according to this hair
Bright technical spirit any simple modification, equivalent change and modification to the above embodiments, belong to the technology of the present invention side
The protection scope of case.
Claims (6)
1. the interim simple lifting appliance of road construction, it is characterised in that: including the whole braced frame in rectangular shape, branch
Support base of frame is provided with traveling wheel, is provided at least two supporting beams, supporting beam top at the top of braced frame along the longitudinal direction
Left and right horizontal direction is provided with a boom, one is provided in every supporting beam for fixing the manual positioning machine of boom
Structure, front side horizontal is provided with mounting plate at the top of braced frame, is provided with hoist engine on mounting plate, and boom right end is fixedly installed the
One pulley bracket is rotatably connected to the first fixed pulley by horizontally disposed first pulley axis on first pulley bracket, after boom
Side is fixedly installed wirerope locking member at neighbouring first fixed pulley, and boom front side portion is just fixedly installed on the support frame
There is second pulley frame, passes through the second pulley axis being vertically arranged on second pulley frame and be rotatably connected to the second fixed pulley, support
Frame roof is provided with stand on rear side of boom, and wirerope is wound on hoist engine, and the drawing end of wirerope sequentially passes through second
Be scheduled in stand after fixed pulley, the first fixed pulley and wirerope locking member by U-shaped fixing, on wirerope in the first fixed pulley and
The hook assembly for hanging weight is provided between wirerope locking member；
Wirerope locking member includes U-shaped board, clapboard, third positioning pin and the 4th positioning pin, top, bottom and the left side of U-shaped board
Side is open, is fixedly connected on rear side of the forward upper and boom of U-shaped board, third positioning pin is located above the 4th positioning pin, third
Along the longitudinal direction horizontal through U-shaped board, distance of the third positioning pin apart from U-shaped board bottom is greater than for positioning pin and the 4th positioning pin
Distance of 4th positioning pin apart from U-shaped board bottom, clapboard structure with a narrow upper and lower width, clapboard is extend into U-shaped board and wedge
It is contacted with third positioning pin and the press of the 4th positioning pin on the left of shape plate, wirerope bottom along U-shaped board passes through U-shaped from bottom to top
The rear side of plate, clapboard is contacted by wirerope with the press of U-shaped board bottom, and the trailing flank of clapboard and the inner wall of U-shaped board are all provided with
It is equipped with the anti-skidding form friction pattern that wirerope closely crimps；
The first positioning pin that Anti-rope drop is used for above the first fixed pulley is equipped on first pulley frame.
2. the interim simple lifting appliance of road construction according to claim 1, it is characterised in that: hook assembly includes dynamic
Pulley, third pulley yoke and suspension hook, movable pulley are rotatably connected on third pulley yoke by third pulley spindle, under third pulley yoke
Portion's setting is used for the second positioning pin of Anti-rope drop there are two being located at below movable pulley, third pulley yoke bottom is fixed in the horizontal direction
It is provided with plate, is provided with circular hole in the middle part of plate, suspension hook top is protruded into and is rotatably connected in circular hole, the fixed setting of suspension hook upper end
There is the limited block being located above plate, limited block is greater than circular hole.
3. the interim simple lifting appliance of road construction according to claim 1, it is characterised in that: manual positioning mechanism packet
Front vertical plate, back vertical plate, locking screw, handlebar, U-shaped washer, lower bearing pin and upper pin are included, front vertical plate and back vertical plate are vertically arranged
On support top surface of the beam, front vertical plate and back vertical plate are located at front side and the rear side of boom, and back vertical plate passes through hinge rotation connection
There is pressing plate；
The open lower mounting groove in front side, rear side and top is offered among front vertical plate upper end, middle part offers on front side of pressing plate
The open guide groove in top, bottom and front side, lower bearing pin pass through lower mounting groove along the longitudinal direction and are rotatably connected on pressing plate,
The outer diameter of lower bearing pin is greater than the outer diameter of locking screw, and locking screw passes through lower bearing pin and and lower bearing pin along the radial direction of lower bearing pin
It is threadedly coupled, the centre of handlebar front end offers the open upper mounting groove in bottom and front side, and locking screw upper end is located at
In upper mounting groove, upper pin passes through locking screw in left-right direction and is rotatably connected on handlebar right part, the outer diameter of upper pin
Less than the outer diameter of locking screw, U-shaped washer bottom is fixedly connected on pressing plate upper surface and is located at right above guide groove, U-shaped washer
Transparent and front side is open, and upper mounting groove, the inner hole of U-shaped washer, guide groove and lower mounting groove are corresponding in turn to up and down；Lock spiral shell
When bar is in plumbness, locking screw is sequentially located at mounting groove, U-shaped washer, guide groove and lower mounting groove from top to bottom
Inside, the outer profile of the front end of handlebar are in be gradually increased from front side surface top to bottom around the center line of upper pin
Variable diameter globoidal structure, U-shaped bead top are provided with identical and press fit arc groove corresponding with variable diameter globoidal structure.
4. the interim simple lifting appliance of road construction according to claim 3, it is characterised in that: the setting of pressing plate lower surface
There are several for compressing the rubber block of boom upper surface；Handle rod rear end is folded upward to form the portion of upwarping, and pressing plate upper surface is logical
It crosses fastening bolt and is provided with the elastic pressuring plate that can be horizontally rotated, elastic pressuring plate front end is provided with and the portion of upwarping presses press fit
Location hook is provided with hand-held part on elastic pressuring plate.
5. the interim simple lifting appliance of road construction according to claim 4, it is characterised in that: the front side of front vertical plate with
Stiffener plate is provided between upper surface of support beam, between the rear side and upper surface of support beam of back vertical plate.
6. the interim simple lifting appliance of road construction according to claim 1, it is characterised in that: behind braced frame lower part
Side is hinged with pedal by hinge, and pedal left bottom is provided with the support limit plate vertical with pedal, under support limit plate
Side is along being in pointed structures, and the height of support limit plate is greater than height of the hinge apart from ground, pedal lower surface and support limit
Tilt prop is provided between plate；When pedal is flipped up with braced frame left contact, pedal passes through connection bolt and branch
The connection of support frame frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710730855.3A CN107337110B (en) | 2017-08-23 | 2017-08-23 | The interim simple lifting appliance of road construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710730855.3A CN107337110B (en) | 2017-08-23 | 2017-08-23 | The interim simple lifting appliance of road construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107337110A CN107337110A (en) | 2017-11-10 |
| CN107337110B true CN107337110B (en) | 2019-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710730855.3A Expired - Fee Related CN107337110B (en) | 2017-08-23 | 2017-08-23 | The interim simple lifting appliance of road construction |
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| CN (1) | CN107337110B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112607631A (en) * | 2020-12-15 | 2021-04-06 | 上海建工四建集团有限公司 | Small gun carrier |
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| Publication number | Publication date |
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| CN107337110A (en) | 2017-11-10 |
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