CN106744444A - A kind of Lever Blocks - Google Patents
A kind of Lever Blocks Download PDFInfo
- Publication number
- CN106744444A CN106744444A CN201611107984.9A CN201611107984A CN106744444A CN 106744444 A CN106744444 A CN 106744444A CN 201611107984 A CN201611107984 A CN 201611107984A CN 106744444 A CN106744444 A CN 106744444A
- Authority
- CN
- China
- Prior art keywords
- chain
- wallboard
- transmission shaft
- power transmission
- nut
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of Lever Blocks, including left wallboard, right wallboard, chain hoist wheel, pressure chain block, guide chain mechanism, hook, chain, lower suspension hook, power transmission shaft, along the ratchet that the left wallboard is arranged symmetrically, transmission mechanism, ratchet mechanism, left cover, hand trigger structure, chain adjustment mechanism, operating personnel's manipulator's trigger structure drives stop-nut to rotate, so that stop-nut is tightly fitted with ratchet mechanism, so as to drive ratchet mechanism to rotate, simultaneously, power transmission shaft drives transmission mechanism work, so as to drive chain hoist wheel to rotate, and then by being moved heavy lift on suspension hook under chain-driving;Operating personnel's reverse operating palm mechanism drives stop-nut to rotate backward so that stop-nut is separated with ratchet mechanism, so as to drive chain hoist wheel to rotate backward, and then is moved down by suspension hook under chain-driving and falls weight.The apparatus structure is simple, and simple and convenient, continuity is good, effectively laborsaving, and can quickly adjust chain length, improves operating efficiency.
Description
Technical field
The present invention relates to a kind of chain block, more particularly to a kind of Lever Blocks.
Background technology
When chain block is lifted up weight, drops pull chain clockwise, so as to drive bangle wheel positive direction to rotate, put down
Steady lifting heavy;During decline, drop pull chain counterclockwise, Brake Block is separated with brake block, ratchet is quiet in the presence of ratchet
Only, five tooth major axis drive chain hoist wheel reverse direction operation, so that weight is steadily fallen, it is prolonged tight using both hands due to needing
Shake hands zip strip, it is small due to pulling chain contact area, work long hours and cause operating personnel easily tired, cause continuity of operation
Difference, inefficiency.In view of disadvantages described above, is necessary to design a kind of Lever Blocks in fact.
The content of the invention
The technical problems to be solved by the invention are:It is continuous to solve chain block action to provide a kind of Lever Blocks
Poor, the low problem of efficiency of property.
In order to solve the above technical problems, the technical scheme is that:A kind of Lever Blocks, including left wallboard, right wallboard,
Chain hoist wheel, pressure chain block, guide chain mechanism, hook, chain, lower suspension hook, power transmission shaft, the spine that is arranged symmetrically along the left wallboard
Pawl, transmission mechanism, ratchet mechanism, left cover, hand trigger structure, chain adjustment mechanism, described right wallboard are located at left wallboard right side,
Described right wallboard is connected with left wallboard screw thread, and described chain hoist wheel is through left wallboard and through right wallboard, described lifting
Sprocket wheel is rotatedly connected with left wallboard and is rotatedly connected with right wallboard, and described pressure chain block is located between left wallboard and right wallboard, institute
The pressure chain block stated is connected with left wallboard close-fitting and is connected with right wallboard close-fitting, and described guide chain mechanism is located at left wallboard and right wallboard
Between, described guide chain mechanism is connected with left wallboard close-fitting and is connected with right wallboard close-fitting, and described hook is located at left wallboard
And right wallboard between, described hook is rotatedly connected with left wallboard and is rotatedly connected with right wallboard, and described chain has been bypassed
Heavy chain wheel, described chain is connected with chain hoist wheel buckle, and described lower suspension hook is located at chain lower end, described lower suspension hook and chain
Bar is movably connected, and described power transmission shaft runs through chain hoist wheel, and described power transmission shaft is connected with chain hoist wheel gap, described ratchet
Positioned at left wallboard side, described ratchet is connected with left wallboard hinge, and described transmission mechanism is located at power transmission shaft right side and is located at
Chain hoist wheel right side, described transmission mechanism is connected with transmission shaft bond and is connected with chain hoist wheel key, and described power transmission shaft runs through
Ratchet mechanism, described ratchet mechanism is engaged with power transmission shaft and is connected, and described left cover is located at left wallboard left side, described left cover
Plate is connected with left wallboard screw thread, and described hand trigger structure is located at left cover left side and is transmitted axle and runs through, described hand trigger structure
It is rotatedly connected with left cover and is movably connected with power transmission shaft, described chain adjustment mechanism is located at hand trigger structure left side and is rotated
Axle runs through, and described chain adjustment mechanism is connected with hand trigger structure screw thread and is engaged with power transmission shaft and is connected;
Described ratchet mechanism also includes toothholder, spacer ring, ratchet, left friction plate, right friction plate, and described power transmission shaft is passed through
Toothholder is worn, described toothholder is engaged with power transmission shaft and is connected, and described spacer ring is located at toothholder outside, described spacer ring and toothholder
Close-fitting is connected, and described ratchet is located at spacer ring outside, and described ratchet is connected with spacer ring close-fitting, described left friction plate position
In ratchet left side, described left friction plate is connected with ratchet riveting, and described right friction plate is located at ratchet right side, and the described right side is rubbed
Pad is connected with ratchet riveting, and left friction plate and right friction plate are connected with ratchet, effectively improve functional reliability;
Described chain adjustment mechanism also include stop-nut, dextrorotation torsion spring, cam, handwheel, left-handed torsion spring, spring base,
Locking nut, split pin, described stop-nut are located at power transmission shaft outside and positioned at hand trigger structure inner side, described stop-nut
It is connected and is engaged with hand trigger structure with transmission axle thread and be connected, described dextrorotation torsion spring is located at stop-nut inner side and positioned at transmission
Axle outside, described dextrorotation torsion spring is connected with stop-nut buckle and is movably connected with power transmission shaft, and described cam is located at transmission
On the outside of axle and positioned at stop-nut side, described cam is connected with transmission shaft bond and is movably connected with stop-nut, described
Handwheel be located at dextrorotation torsion spring side and positioned at power transmission shaft outside, described handwheel be connected with dextrorotation torsion spring buckle and be driven between centers
Gap is connected, and described left-handed torsion spring is located at handwheel side and positioned at power transmission shaft outside, described left-handed torsion spring and handwheel buckle phase
Even and with transmission shaft clearance it is connected, described spring base is located at left-handed torsion spring side and positioned at power transmission shaft outside, described spring
Seat is connected with left-handed torsion spring buckle and is connected with transmission shaft clearance, and described locking nut is located at power transmission shaft outside, described lock
Tight nut is connected with transmission axle thread, and described split pin is through power transmission shaft and positioned at locking nut side, described split pin
With transmission shaft clearance be connected and be movably connected with locking nut, it is necessary to quickly adjust chain position when, be pulled outwardly handwheel, make cam
Abjection handwheel, handwheel certainly will turn left in the presence of dextrorotation torsion spring torsion, increase left-handed torsion spring elastic force, and spring base drives transmission
Axle turns left, and stop-nut and power transmission shaft are left hand thread engagements, and such stop-nut will be retreated, and be separated with ratchet mechanism, this
Sample can easily pull chain, adjust correct position.
Further improvement of the invention is as follows:
Further, described right wallboard is additionally provided with right cover plate, and described right cover plate is located at right wallboard right side, the described right side
Cover plate is connected with right wallboard screw thread.
Further, described hand trigger structure also includes bottom shell body, upper lid, plastic handle, rotating shaft, operation handle, spacing
Wheel, deck, spring, gag lever post, described bottom shell body are located at left cover outside and positioned at stop-nut outside, described bottom shell body
It is rotatedly connected with left cover and is movably connected with stop-nut, described upper lid is located at bottom shell body outside, described Shang Gai and bottom
Housing screw thread is connected, and described plastic handle is located at bottom shell body lower end, and described plastic handle is connected with bottom shell body screw thread, described
Rotating shaft through upper lid and positioned at bottom shell body inner side, described rotating shaft is rotatedly connected and is rotatedly connected with bottom shell body with upper lid, institute
The operation handle stated is located at rotating shaft outside, and described operation handle is connected with rotating shaft close-fitting, and described position-limited wheel is located at braking spiral shell
Female side and run through by rotating shaft, described position-limited wheel engages with stop-nut and is connected and is connected with rotating shaft close-fitting, described deck
Positioned at bottom shell body inner side, described deck is connected with bottom shell body screw thread, and described spring is located at deck inner side and positioned at bottom shell body
Inner side, described spring is movably connected with deck and is weldingly connected with bottom shell body, and described gag lever post is located at spring inner side and position
In position-limited wheel lower end, described gag lever post is connected with gapping of spring and is movably connected with position-limited wheel, rotating operation handle so that with
The connected position-limited wheel that to obtain of rotating shaft is rotated, now, spacing until the limiting tooth being arranged on position-limited wheel is engaged with Brake Block stop-nut
Bar is stretched into stopper slot, spacing when rotating plastic handle because upper lid and bottom shell body are connected by plastic handle rotary upper cover
Wheel can drive stop-nut to rotate.
Further, described operation handle is additionally provided with labeled slots, and described labeled slots are not through operation handle.
Further, described position-limited wheel is additionally provided with 2 limiting tooths being arranged symmetrically, described limiting tooth and position-limited wheel one
Body phase connects.
Further, described position-limited wheel is additionally provided with stopper slot, and described stopper slot is located at limiting tooth side, described limit
Position groove is located at the junction of limiting tooth and position-limited wheel due to stopper slot not through position-limited wheel, therefore, gag lever post cannot be crossed spacing
Tooth so that when operating personnel's reciprocating operation plastic handle, it is unidirectional to drive stop-nut to rotate.
Further, described position-limited wheel is additionally provided with middle position groove, and described middle position groove runs through position-limited wheel.
Compared with prior art, the Lever Blocks, operating personnel's manipulator's trigger structure, palm mechanism drives stop-nut to turn
It is dynamic, because stop-nut is threadedly coupled with power transmission shaft so that stop-nut is tightly fitted with ratchet mechanism, so as to drive ratchet machine
Structure is rotated, meanwhile, power transmission shaft drives transmission mechanism work, so that drive chain hoist wheel to rotate, and then by being hung under chain-driving
Moved heavy lift on hook;Operating personnel's reverse operating palm mechanism, palm mechanism drives stop-nut to rotate backward so that system
Dynamic nut is separated with ratchet mechanism, and power transmission shaft drives transmission mechanism work, so as to drive chain hoist wheel to rotate backward, and then passes through
Suspension hook is moved down and falls weight under chain-driving.The apparatus structure is simple, and simple and convenient, continuity is good, meanwhile, will be manual
Apply pulling force and be changed into applying moment of torsion manually, it is effectively laborsaving, meanwhile, chain length can be quickly adjusted, effectively improve operating efficiency.
Brief description of the drawings
Fig. 1 shows explosive view of the present invention
Fig. 2 shows ratchet mechanism explosive view of the present invention
Fig. 3 shows hand trigger structure explosive view of the present invention
Fig. 4 shows position-limited wheel graphics of the present invention
Fig. 5 shows chain adjustment mechanism explosive view of the present invention
The right wallboard 2 of left wallboard 1
The pressure chain of chain hoist wheel 3 block 4
The hook 6 of guide chain mechanism 5
7 times suspension hooks of chain 8
The ratchet 10 of power transmission shaft 9
The ratchet mechanism 12 of transmission mechanism 11
The hand trigger structure 14 of left cover 13
The toothholder 1201 of chain adjustment mechanism 15
The ratchet 1203 of spacer ring 1202
The right friction plate 1205 of left friction plate 1204
Lid 1402 on bottom shell body 1401
The rotating shaft 1404 of plastic handle 1403
The position-limited wheel 1406 of operation handle 1405
The spring 1408 of deck 1407
The labeled slots 1410 of gag lever post 1409
The stopper slot 1412 of limiting tooth 1411
The stop-nut 1501 of middle position groove 1413
The cam 1503 of dextrorotation torsion spring 1502
The left-handed torsion spring 1505 of handwheel 1504
The locking nut 1507 of spring base 1506
Split pin 1508
Specific embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of Lever Blocks, including left wallboard 1, right wallboard 2, chain hoist wheel 3,
Pressure chain block 4, guide chain mechanism 5, hook 6, chain 7, lower suspension hook 8, power transmission shaft 9, the ratchet that is arranged symmetrically along the left wallboard 1
10th, transmission mechanism 11, ratchet mechanism 12, left cover 13, hand trigger structure 14, chain adjustment mechanism 15, described right wallboard 2 are located at
The right side of left wallboard 1, described right wallboard 2 is connected with the screw thread of left wallboard 1, and described chain hoist wheel 3 is through left wallboard 1 and through the right side
Wallboard 2, described chain hoist wheel 3 is rotatedly connected with left wallboard 1 and is rotatedly connected with right wallboard 2, and described pressure chain block 4 is located at a left side
Between wallboard 1 and right wallboard 2, described pressure chain block 4 is connected with the close-fitting of left wallboard 1 and is connected with the close-fitting of right wallboard 2, and described leads
Chain mechanism 5 is located between left wallboard 1 and right wallboard 2, and described guide chain mechanism 5 is connected and tight with right wallboard 2 with the close-fitting of left wallboard 1
With being connected, described hook 6 is located between left wallboard 1 and right wallboard 2, described hook 6 be rotatedly connected with left wallboard 1 and
It is rotatedly connected with right wallboard 2, described chain 7 bypasses chain hoist wheel 3, described chain 7 is connected with the buckle of chain hoist wheel 3, institute
The lower suspension hook 8 stated is located at the lower end of chain 7, and described lower suspension hook 8 is movably connected with chain 7, and described power transmission shaft 9 runs through hoisting-chain
Wheel 3, described power transmission shaft 9 is connected with the gap of chain hoist wheel 3, and described ratchet 10 is located at the side of left wallboard 1, described ratchet 10
It is connected with the hinge of left wallboard 1, described transmission mechanism 11 is located at the right side of power transmission shaft 9 and positioned at the right side of chain hoist wheel 3, described biography
Motivation structure 11 is connected with the key of power transmission shaft 9 and is connected with the key of chain hoist wheel 3, and described power transmission shaft 9 runs through ratchet mechanism 12, described
Ratchet mechanism 12 is engaged with power transmission shaft 9 and is connected, and described left cover 13 is located at the left side of left wallboard 1, described left cover 13 and a left side
The screw thread of wallboard 1 is connected, and described hand trigger structure 14 is located at the left side of left cover 13 and is transmitted axle 9 and runs through, described hand trigger structure
14 are rotatedly connected with left cover 13 and are movably connected with power transmission shaft 9, and it is left that described chain adjustment mechanism 15 is located at hand trigger structure 14
Side and it is rotated axle 9 and runs through, described chain adjustment mechanism 15 is connected with the screw thread of hand trigger structure 14 and engages phase with power transmission shaft 9
Even, described ratchet mechanism 12 also includes toothholder 1201, spacer ring 1202, ratchet 1203, left friction plate 1204, right friction plate
1205, described power transmission shaft 9 runs through toothholder 1201, and described toothholder 1201 is engaged with power transmission shaft 9 and is connected, described spacer ring
1202 are located at the outside of toothholder 1201, and described spacer ring 1202 is connected with the close-fitting of toothholder 1201, between described ratchet 1203 is located at
The outside of spacer ring 1202, described ratchet 1203 is connected with the close-fitting of spacer ring 1202, and described left friction plate 1204 is located at ratchet
1203 left sides, described left friction plate 1204 is connected with the riveting of ratchet 1203, and described right friction plate 1204 is located at ratchet 1203
Right side, described right friction plate 1204 is connected with the riveting of ratchet 1203, left friction plate 1204 and right friction plate 1205 and ratchet
1203 are connected, and effectively improve functional reliability, and described chain adjustment mechanism 15 also includes stop-nut 1501, dextrorotation torsion spring
1502nd, cam 1503, handwheel 1504, left-handed torsion spring 1505, spring base 1506, locking nut 1507, split pin 1508, described
Stop-nut 1501 is located at the outside of power transmission shaft 9 and positioned at the inner side of hand trigger structure 14, described stop-nut 1501 and the spiral shell of power transmission shaft 9
Line is connected and is engaged with hand trigger structure 14 and is connected, and described dextrorotation torsion spring 1502 is located at the inner side of stop-nut 1501 and positioned at transmission
The outside of axle 9, described dextrorotation torsion spring 1502 is connected with the buckle of stop-nut 1501 and is movably connected with power transmission shaft 9, and described is convex
Wheel 1503 is located at the outside of power transmission shaft 9 and positioned at the side of stop-nut 1501, described cam 1503 be connected with the key of power transmission shaft 9 and with
Stop-nut 1501 is movably connected, and described handwheel 1504 is located at the side of dextrorotation torsion spring 1502 and positioned at the outside of power transmission shaft 9, described
Handwheel 1504 be connected with the buckle of dextrorotation torsion spring 1502 and be connected with the gap of power transmission shaft 9, described left-handed torsion spring 1505 is located at hand
Take turns 1504 sides and positioned at the outside of power transmission shaft 9, described left-handed torsion spring 1505 is connected and between power transmission shaft 9 with the buckle of handwheel 1504
Gap is connected, and described spring base 1506 is located at the side of left-handed torsion spring 1505 and positioned at the outside of power transmission shaft 9, described spring base 1506
It is connected with the buckle of left-handed torsion spring 1505 and is connected with the gap of power transmission shaft 9, described locking nut 1507 is located at the outside of power transmission shaft 9,
Described locking nut 1507 is connected with the screw thread of power transmission shaft 9, and described split pin 1508 is through power transmission shaft 9 and positioned at locking nut
1507 sides, described split pin 1508 is connected with the gap of power transmission shaft 9 and is movably connected with locking nut 1507, it is necessary to fast velocity modulation
During whole chain position, handwheel 1504 is pulled outwardly, cam 1503 is deviate from handwheel 1504, handwheel 1504 is in the torsion of dextrorotation torsion spring 1502
In the presence of certainly will turn left, increase the left-handed elastic force of torsion spring 1505, spring base 1506 drives power transmission shaft 9 to turn left, and stop-nut
1501 and power transmission shaft 9 be left hand thread engagement, such stop-nut 1501 will be retreated, and be separated with ratchet mechanism 12, so can be with
Chain 7 is easily pulled, correct position is adjusted, described right wallboard 2 is additionally provided with right cover plate 201, and described right cover plate 201 is located at the right side
The right side of wallboard 2, described right cover plate 201 is connected with the screw thread of right wallboard 2, described hand trigger structure 14 also including bottom shell body 1401,
It is upper lid 1402, plastic handle 1403, rotating shaft 1404, operation handle 1405, position-limited wheel 1406, deck 1407, spring 1408, spacing
Bar 1409, described bottom shell body 1401 is located at the outside of left cover 13 and positioned at the outside of stop-nut 1501, described bottom shell body
1401 are rotatedly connected with left cover 13 and are movably connected with stop-nut 1501, and described upper lid 1402 is located at outside bottom shell body 1401
Side, described upper lid 1402 is connected with the screw thread of bottom shell body 1401, and described plastic handle 1403 is located at the lower end of bottom shell body 1401, institute
The plastic handle 1403 stated is connected with the screw thread of bottom shell body 1401, and described rotating shaft 1404 is through upper lid 1402 and positioned at bottom shell body
1401 inner sides, described rotating shaft 1404 is rotatedly connected with upper lid 1402 and is rotatedly connected with bottom shell body 1401, described manipulator
Handle 1405 is located at the outside of rotating shaft 1404, and described operation handle 1405 is connected with the close-fitting of rotating shaft 1404, described position-limited wheel 1406
Run through positioned at the side of stop-nut 1501 and by rotating shaft 1404, described position-limited wheel 1406 engaged with stop-nut 1501 be connected and
It is connected with the close-fitting of rotating shaft 1404, described deck 1407 is located at the inner side of bottom shell body 1401, described deck 1407 and bottom shell body
1401 screw threads are connected, and described spring 1408 is located at the inner side of deck 1407 and positioned at the inner side of bottom shell body 1401, described spring
1408 are movably connected with deck 1407 and are weldingly connected with bottom shell body 1401, and described gag lever post 1409 is located at the inner side of spring 1408
And positioned at the lower end of position-limited wheel 1406, described gag lever post 1409 be connected with the gap of spring 1408 and with the activity phase of position-limited wheel 1406
Even, rotating operation handle 1405 so that connected that position-limited wheel 1406 is rotated with rotating shaft 1404, until being arranged on position-limited wheel 1406
Limiting tooth 1411 engaged with Brake Block stop-nut 1501, now, gag lever post 1409 is stretched into stopper slot 1412, by plastics
The rotary upper cover 1402 of handle 1403, because upper lid 1402 and bottom shell body 1401 are connected, when rotating plastic handle 1403, position-limited wheel
1406 can drive stop-nut 1501 to rotate, and described operation handle 1405 is additionally provided with labeled slots 1410, described labeled slots
1410 not through operation handle 1405, and described position-limited wheel 1406 is additionally provided with 2 limiting tooths 1411 being arranged symmetrically, described limit
Position tooth 1411 is connected with the one of position-limited wheel 1406, and described position-limited wheel 1406 is additionally provided with stopper slot 1412, described stopper slot
1412 are located at the side of limiting tooth 1411, and described stopper slot 1412 is limited not through position-limited wheel 1406 because stopper slot 1412 is located at
The junction of position tooth 1411 and position-limited wheel 1406, therefore, gag lever post 1409 cannot cross limiting tooth 1411 so that work as operating personnel
During reciprocating operation plastic handle 1403, unidirectional to drive stop-nut 1501 to rotate, described position-limited wheel 1406 is additionally provided with middle position groove
1413, described middle position groove 1413 runs through position-limited wheel 1406, the Lever Blocks, operating personnel's manipulator's trigger structure 14, palm machine
Structure 14 drive stop-nut 1501 rotate, because stop-nut 1501 is threadedly coupled with power transmission shaft 9 so that stop-nut 1501 and
Ratchet mechanism 12 is tightly fitted, so that drive ratchet mechanism 12 to rotate, meanwhile, power transmission shaft 9 drives transmission mechanism 11 to work, so that
Chain hoist wheel 3 is driven to rotate, and then by being moved heavy lift on the lower suspension hook 8 of the drive of chain 7;Operating personnel's reverse operating palm
Mechanism 14, palm mechanism 14 drives stop-nut 1501 to rotate backward so that stop-nut 1501 is separated with ratchet mechanism 12, passes
Moving axis 9 drives transmission mechanism 11 to work, so that drive chain hoist wheel 3 to rotate backward, and then by under the lower suspension hook 8 of the drive of chain 7
Weight is fallen in shifting.The apparatus structure is simple, and simple and convenient, continuity is good, meanwhile, it is changed into hand by pulling force is applied manually
Dynamic applying moment of torsion, it is effectively laborsaving, meanwhile, the length of chain 7 can be quickly adjusted, effectively improve operating efficiency.
The present invention is not limited to above-mentioned specific embodiment, one of ordinary skill in the art from above-mentioned design,
Without performing creative labour, a variety of conversion made are within the scope of the present invention.
Claims (7)
1. a kind of Lever Blocks, it is characterised in that including left wallboard, right wallboard, chain hoist wheel, pressure chain block, guide chain mechanism, hang oneself
Hook, chain, lower suspension hook, power transmission shaft, the ratchet, transmission mechanism, ratchet mechanism, left cover, the hand that are arranged symmetrically along the left wallboard
Trigger structure, chain adjustment mechanism, described right wallboard are located at left wallboard right side, and described right wallboard is connected with left wallboard screw thread,
Described chain hoist wheel through left wallboard and through right wallboard, described chain hoist wheel be rotatedly connected with left wallboard and with right wallboard
Be rotatedly connected, described pressure chain block is located between left wallboard and right wallboard, described pressure chain block be connected with left wallboard close-fitting and with
Right wallboard close-fitting is connected, and described guide chain mechanism is located between left wallboard and right wallboard, and described guide chain mechanism is tight with left wallboard
With being connected and being connected with right wallboard close-fitting, described hook is located between left wallboard and right wallboard, described hook and a left side
Wallboard is rotatedly connected and is rotatedly connected with right wallboard, and described chain bypasses chain hoist wheel, described chain and chain hoist wheel card
Button is connected, and described lower suspension hook is located at chain lower end, and described lower suspension hook is movably connected with chain, and described power transmission shaft runs through
Heavy chain wheel, described power transmission shaft is connected with chain hoist wheel gap, and described ratchet is located at left wallboard side, described ratchet and a left side
Wallboard hinge is connected, and described transmission mechanism is located at power transmission shaft right side and positioned at chain hoist wheel right side, described transmission mechanism with
Transmission shaft bond is connected and is connected with chain hoist wheel key, and described power transmission shaft runs through ratchet mechanism, described ratchet mechanism and transmission
Axle engagement is connected, and described left cover is located at left wallboard left side, and described left cover is connected with left wallboard screw thread, and described hand is pulled
Mechanism is located at left cover left side and is transmitted axle runs through, and described hand trigger structure is rotatedly connected and movable with power transmission shaft with left cover
It is connected, described chain adjustment mechanism is located at hand trigger structure left side and is rotated axle and runs through, described chain adjustment mechanism and hand
Trigger structure screw thread is connected and is engaged with power transmission shaft and is connected;
Described ratchet mechanism also includes toothholder, spacer ring, ratchet, left friction plate, right friction plate, and described power transmission shaft runs through tooth
Seat, described toothholder is engaged with power transmission shaft and is connected, and described spacer ring is located at toothholder outside, described spacer ring and toothholder close-fitting
It is connected, described ratchet is located at spacer ring outside, described ratchet is connected with spacer ring close-fitting, described left friction plate is located at spine
Pawl left side, described left friction plate is connected with ratchet riveting, and described right friction plate is located at ratchet right side, described right friction plate
It is connected with ratchet riveting;
Described chain adjustment mechanism also includes stop-nut, dextrorotation torsion spring, cam, handwheel, left-handed torsion spring, spring base, locking
Nut, split pin, described stop-nut are located at power transmission shaft outside and positioned at hand trigger structure inner side, described stop-nut and biography
Moving axis screw thread is connected and is engaged with hand trigger structure and is connected, and described dextrorotation torsion spring is located at stop-nut inner side and outside power transmission shaft
Side, described dextrorotation torsion spring is connected with stop-nut buckle and is movably connected with power transmission shaft, and described cam is located at outside power transmission shaft
Side and positioned at stop-nut side, described cam is connected with transmission shaft bond and is movably connected with stop-nut, described handwheel
Positioned at dextrorotation torsion spring side and positioned at power transmission shaft outside, described handwheel be connected with dextrorotation torsion spring buckle and be driven shaft clearance phase
Even, described left-handed torsion spring is located at handwheel side and positioned at power transmission shaft outside, described left-handed torsion spring be connected with handwheel buckle and
Be connected with transmission shaft clearance, described spring base is located at left-handed torsion spring side and positioned at power transmission shaft outside, described spring base and
Left-handed torsion spring buckle is connected and is connected with transmission shaft clearance, and described locking nut is located at power transmission shaft outside, described locking screw
Female to be connected with transmission axle thread, described split pin is through power transmission shaft and positioned at locking nut side, described split pin and biography
Moving axis gap is connected and is movably connected with locking nut.
2. Lever Blocks as claimed in claim 1, it is characterised in that described right wallboard is additionally provided with right cover plate, described right cover
Plate is located at right wallboard right side, and described right cover plate is connected with right wallboard screw thread.
3. Lever Blocks as claimed in claim 1, it is characterised in that described hand trigger structure also includes bottom shell body, upper lid, modeling
Material handle, rotating shaft, operation handle, position-limited wheel, deck, spring, gag lever post, described bottom shell body are located at left cover outside and are located at
Stop-nut outside, described bottom shell body is rotatedly connected with left cover and is movably connected with stop-nut, and described upper lid is located at
Bottom shell body outside, described upper lid is connected with bottom shell body screw thread, and described plastic handle is located at bottom shell body lower end, described plastics
Handle is connected with bottom shell body screw thread, and through upper lid and positioned at bottom shell body inner side, described rotating shaft is rotated with upper lid for described rotating shaft
It is connected and is rotatedly connected with bottom shell body, described operation handle is located at rotating shaft outside, described operation handle and rotating shaft close-fitting phase
Even, described position-limited wheel is located at stop-nut side and is run through by rotating shaft, described position-limited wheel engaged with stop-nut it is connected and
It is connected with rotating shaft close-fitting, described deck is located at bottom shell body inner side, described deck is connected with bottom shell body screw thread, described spring
Positioned at deck inner side and positioned at bottom shell body inner side, described spring is movably connected with deck and is weldingly connected with bottom shell body, described
Gag lever post be located at spring inner side and positioned at position-limited wheel lower end, described gag lever post is connected and movable with position-limited wheel with gapping of spring
It is connected.
4. Lever Blocks as claimed in claim 3, it is characterised in that described operation handle is additionally provided with labeled slots, described mark
Note groove is not through operation handle.
5. Lever Blocks as claimed in claim 3, it is characterised in that described position-limited wheel be additionally provided with 2 be arranged symmetrically it is spacing
Tooth, described limiting tooth is connected with position-limited wheel one.
6. Lever Blocks as claimed in claim 5, it is characterised in that described position-limited wheel is additionally provided with stopper slot, and described is spacing
Groove is located at limiting tooth side, and described stopper slot is not through position-limited wheel.
7. Lever Blocks as claimed in claim 3, it is characterised in that described position-limited wheel is additionally provided with middle position groove, described middle position
Groove runs through position-limited wheel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611107984.9A CN106744444A (en) | 2016-12-06 | 2016-12-06 | A kind of Lever Blocks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611107984.9A CN106744444A (en) | 2016-12-06 | 2016-12-06 | A kind of Lever Blocks |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106744444A true CN106744444A (en) | 2017-05-31 |
Family
ID=58874357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611107984.9A Withdrawn CN106744444A (en) | 2016-12-06 | 2016-12-06 | A kind of Lever Blocks |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106744444A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110094672A (en) * | 2018-10-09 | 2019-08-06 | 成都清机科技有限公司 | A kind of courtyard illuminating lamp |
CN110642174A (en) * | 2019-10-10 | 2020-01-03 | 浙江双鸟机械有限公司 | Ring chain lever block body beneficial to hoisting |
CN110654951A (en) * | 2019-09-27 | 2020-01-07 | 日立电梯(中国)有限公司 | Elevator balance rescue device and elevator balance rescue system |
-
2016
- 2016-12-06 CN CN201611107984.9A patent/CN106744444A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110094672A (en) * | 2018-10-09 | 2019-08-06 | 成都清机科技有限公司 | A kind of courtyard illuminating lamp |
CN110654951A (en) * | 2019-09-27 | 2020-01-07 | 日立电梯(中国)有限公司 | Elevator balance rescue device and elevator balance rescue system |
CN110642174A (en) * | 2019-10-10 | 2020-01-03 | 浙江双鸟机械有限公司 | Ring chain lever block body beneficial to hoisting |
CN110642174B (en) * | 2019-10-10 | 2024-05-03 | 浙江双鸟机械有限公司 | Ring chain lever block body beneficial to winding |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106744444A (en) | A kind of Lever Blocks | |
CN103213137B (en) | The quick grabbed under-actuated robot hand of cam-type | |
CN107623281A (en) | Manual cable bender | |
CN104760898A (en) | Chain block | |
WO2018076892A1 (en) | Miniature manual lever hoist | |
CN206352023U (en) | A kind of Lever Blocks | |
CN206352022U (en) | A kind of special chain position fast adjuster of chain block | |
CN103157253B (en) | Rope grabbing ascender | |
CN211151347U (en) | Hydraulic wire stretcher | |
CN205433475U (en) | Three -jaw is prevented scalding antiskid and is fallen bowl dish and press from both sides | |
CN201071198Y (en) | Clamp | |
CN209177911U (en) | A kind of tension device | |
CN206043364U (en) | The adaptive both sides fruit of diameter clamps rotating mechanism | |
CN206088855U (en) | Hand electronic dual -purpose calabash of small -size wire rope | |
CN204525687U (en) | Semi-automatic drawing-pin setting machine drawing pin automatic traveling mechanism | |
CN209291843U (en) | It is a kind of without underloading Lever Blocks | |
CN203459407U (en) | Step-on type hook head lifting device | |
CN211687271U (en) | Unpowered one-way stopper | |
CN108689323A (en) | It is a kind of without underloading Lever Blocks | |
CN201002218Y (en) | Modified structure for single bar operated clamp | |
US2518177A (en) | Intermittent slide grip drive | |
CN203358655U (en) | Baby carriage brake device | |
CN203582350U (en) | Portable electric hoist | |
CN214509665U (en) | Rubber gloves for clinical operation | |
CN206494674U (en) | A kind of guide type chain block |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200520 Address after: 247100 Times Square-108, Guichi District, Chizhou City, Anhui Province Applicant after: CHIZHOU HAILIN CLOTHING Co.,Ltd. Address before: 247110 Anhui province Chizhou city Guichi District Guichi Industrial Park No. 1 Qi Yun Lu Applicant before: CHIZHOU SANLI PRECISION MACHINERY Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170531 |
|
WW01 | Invention patent application withdrawn after publication |