CN207361614U - A kind of low clearance hand power truck crane - Google Patents
A kind of low clearance hand power truck crane Download PDFInfo
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- CN207361614U CN207361614U CN201721455933.5U CN201721455933U CN207361614U CN 207361614 U CN207361614 U CN 207361614U CN 201721455933 U CN201721455933 U CN 201721455933U CN 207361614 U CN207361614 U CN 207361614U
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- chain
- wheel
- car body
- driving
- low clearance
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Abstract
The utility model discloses a kind of low clearance hand power truck crane, including driving car body, two groups of hoofing part mechanisms, lifting driving mechanism and hook mechanism.The utility model compact overall structure, suspension hook rings center when rising to extreme higher position away from the distance between I-beam bottom is only 450mm, the maximum lifting height of cargo becomes larger, meet the lifting transportation demand under low clearance working condition, the chain block host for car body either end of driving a vehicle can raising cargo, using lifting velocity faster at the same time, two groups of hoofing part mechanism equiblibrium mass distributions, pass through driven gear and the engaged transmission driving driving walking of the rack of I-beam bottom, walking stability is good, and processing safety is high.
Description
Technical field
It the utility model is related to lifting equipment field, and in particular to a kind of low clearance hand power truck crane.
Background technology
Existing lifting transport hand power truck crane structure is not compact, and overall vertical height is longer, influences the lifting altitude of cargo,
It can not meet the lifting requirement of cargo in relatively low building or under the less working condition of the headroom limit, and transport cargo
Walking stability it is poor, when external environment (such as cabin), which exists, rocks, be easy to cause walking dolly and deflect and fall
Fall, processing safety is poor.
Utility model content
The purpose of this utility model is to provide a kind of low clearance hand power truck crane, is pulled to solve existing lifting transport
Driving can not meet in low clearance occasion raising and transport needs and walking stability difference the asking there are security risk of cargo
Topic.
To achieve the above object, the technical solution of the utility model includes for the low clearance hand power truck crane：
Driving car body, the driving car body are slidably mounted on the I-beam lower flange being suspended in midair；
Two groups of hoofing part mechanisms, two groups of hoofing part mechanisms are arranged diagonal in driving car body both sides, every group of row
Walking driving mechanism includes hoofing part bangle wheel, gear reducer, driven gear and rack, and hoofing part bangle wheel is installed on driving car
External side, the input shaft of the gear axis connection gear reducer of hoofing part bangle wheel, the output axis connection driven gear of gear reducer
Gear shaft, driven gear with the rack engaged transmission driving driving car body installed in I-beam bottom along I-beam by walking；
Lifting driving mechanism, the lifting driving mechanism include hanging respectively and are pulled the first of driving vehicle bottom both ends
Cucurbit host and the second chain block host, pull calabash on driving car body and positioned at the first chain block host and second
Fixed chain wheels group between reed host, the activity chain wheel set being suspended in below fixed chain wheels group and hoisting chain, are intertwined and connected
It is intertwined and connected in the hoisting chain of the first chain block host via fixed chain wheels group and activity chain wheel set to the second chain block
Host；
Hook mechanism, the hook mechanism top are integrally installed with activity chain wheel set.
Preferably, the driving car body includes two blocks of wallboards being oppositely arranged and is separately mounted on the inside of two groups of wallboards
Two groups of wheel groups, every group of wheel group include four driven wheels walked side by side in I-beam lower flange both sides.
Preferably, the hoofing part bangle wheel is installed on wallboard outboard end, and gear reducer is located at hoofing part bangle wheel
Side, gear shaft one end of driven gear connect the output shaft of gear reducer through wallboard, and the gear shaft other end of driven gear leads to
Cross bearing and be connected to another block of wallboard.
Preferably, the hook mechanism includes lifting beam with hook and suspension hook, and activity chain wheel set is installed on inside lifting beam with hook, hangs
Hook connects among the lifting beam with hook below.
Preferably, the fixed chain wheels group includes the first to the 8th fixed chain wheels, and the first fixed chain wheels and second fix chain
Wheel is respectively arranged on the first chain block host and the second chain block host side and is connected to driving vehicle bottom, and the 3rd to the
Eight fixed chain wheels are mounted side by side on driving lower car body.
Preferably, the activity chain wheel set includes first to fourth movable sprocket wheel, and first to fourth movable sprocket wheel is by rising
Heavy chain article is suspended in the underface of the 3rd to the 6th fixed chain wheels.
Preferably, described hoisting chain one end is engaged with the chain hoist wheel in the first chain block host, and hoisting chain is another
One end successively around the first fixed chain wheels, the 3rd fixed chain wheels, the first movable sprocket wheel, the 4th fixed chain wheels, the second movable sprocket wheel,
5th fixed chain wheels, the 6th fixed chain wheels, the 3rd movable sprocket wheel, the 7th fixed chain wheels, the 4th movable sprocket wheel, the 8th fixed chain wheels
And second engage with the chain hoist wheel in the second chain block host after fixed chain wheels.
Preferably, hoofing part bangle bar is engaged with the hoofing part bangle wheel.
Preferably, lifting driving bangle bar is equipped with the first chain block host and the second chain block host,
The lifting driving bangle article of first chain block host and the second chain block host respectively with the first chain block host and the
Hand sprocket engagement in two chain block hosts.
Preferably, the tread of the driven wheel is arc surface.
The utility model has the following advantages that：1st, a kind of low clearance hand power truck crane both ends provided by the utility model are respectively equipped with
One chain block host, the crampon of chain block not directly vertically downward lifting cargo but with eight in trolley
A fixed chain wheels form fixed pulley, and crampon and four movable sprocket wheel Combination Designs can be direct into suspension hook pulley structure, suspension hook
Rise to the bottom of driving car body, reduce head room, and any one chain block can raising cargo, make at the same time
With lifting velocity faster；2 while two groups of hoofing part mechanisms are driven to realize carriage walking, two groups of hoofing part mechanisms are balanced
Distribution, engages driving driving with the rack of I-beam bottom by driven gear and walks and driving car body is locked in I-beam
On, even if belowdecks etc. sidesway will not occur for use under the situation of rocking of jolting, reasonable in design, walking stability is good,
Processing safety is high.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of low clearance hand power truck crane of the utility model embodiment 1.
Fig. 2 is a kind of side partial sectional view of low clearance hand power truck crane of the utility model embodiment 1.
Fig. 3 is a kind of working state schematic representation of low clearance hand power truck crane of the utility model embodiment 1.
Fig. 4 is the sectional view of the chain block host of the utility model embodiment 1.
Embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
Such as a kind of low clearance hand power truck crane that Fig. 1 and 2, the present embodiment 1 are provided, including driving 1, two group of hoofing part of car body
Mechanism 2, lifting driving mechanism 3 and hook mechanism 4.
Driving car body 1 is slidably mounted on 5 lower flange of I-beam being suspended in midair, and driving car body 1 includes being oppositely arranged
Two blocks of wallboards 11 and be separately mounted to two groups of wheel groups of the inner side of two groups of wallboards 11, every group of wheel group includes walking side by side
Four driven wheels 12 in 5 lower flange both sides of I-beam, the tread of driven wheel 12 is arc surface, to adapt to all kinds of I-steel
Running track.
Two groups of hoofing part mechanisms 2 are arranged diagonal includes walking in 1 both sides of driving car body, every group of hoofing part mechanism 2
Driving bangle wheel 21, gear reducer 22, driven gear 23 and rack 24, hoofing part bangle wheel 21 are installed on 11 outboard end of wallboard
Portion, gear reducer 22 are located at 21 side of hoofing part bangle wheel, the gear axis connection gear reducer 22 of hoofing part bangle wheel 21 it is defeated
Enter axis, 26 one end of gear shaft of driven gear 23 connects the output shaft of gear reducer 22, the gear of driven gear 23 through wallboard 11
26 other end of axis is connected to another block of wallboard 11 by bearing, driven gear 23 by with the rack installed in 5 bottom of I-beam
24 engaged transmission driving driving car bodies 1 are walked along I-beam 5.
Lifting driving mechanism 3 includes hanging respectively in the first chain block host 31 at driving car body 1 bottom both ends and the
Two chain block hosts 38, on driving car body 1 and be located at the first chain block host 31 and the second chain block host
Fixed chain wheels group 32 between 38, the activity chain wheel set 33 and hoisting chain 34 for being suspended in the lower section of fixed chain wheels group 32, it is fixed
Chain wheel set 32 includes the first to the 8th fixed chain wheels, and the first fixed chain wheels 321 and the second fixed chain wheels 322 are respectively arranged on first-hand
Draw cucurbit host 31 and 38 side of the second chain block host and be connected to 1 bottom of driving car body, the 3rd to the 8th fixed chain wheels
1 lower part of driving car body is mounted side by side on, activity chain wheel set 33 includes first to fourth movable sprocket wheel, first to fourth movable sprocket wheel
The underface of the 3rd to the 8th fixed chain wheels is suspended in by hoisting chain 34, such as Fig. 3 and 4,34 one end of hoisting chain and first
Chain hoist wheel 36 in chain block host 31 engages, and 34 other end of hoisting chain bypasses the first fixed chain wheels the 321, the 3rd successively
The movable sprocket wheel 331 of fixed chain wheels 323, first, the 4th the 324, second movable sprocket wheel 332 of fixed chain wheels, the 5th fixed chain wheels 325,
The movable sprocket wheel 333 of 6th fixed chain wheels the 326, the 3rd, the movable sprocket wheel 334 of the 7th fixed chain wheels the 327, the 4th, the 8th fixed chain wheels
328 and second engaged with the chain hoist wheel 36 in the second chain block host 38 after fixed chain wheels 322, hoofing part bangle wheel
Hoofing part bangle bar 25 is engaged with 21, lifting is equipped with the first chain block host 31 and the second chain block host 38
Drive bangle bar 35, the lifting driving bangle article 35 of the first chain block host 31 and the second chain block host 38 is respectively with the
Bangle wheel 37 in one chain block host 31 and the second chain block host 38 engages, the first chain block host 31 and second
Chain block host 38 is mounted with the brake for preventing cargo from gliding under the effect of gravity, the first chain block host 31 and second
Bangle wheel 37 in chain block host 38 transmits torque with chain hoist wheel 36 by friction plate between the two.
Hook mechanism 4 includes lifting beam with hook 41 and suspension hook 42, and activity chain wheel set 33 is installed on inside lifting beam with hook 41, suspension hook
42 are connected to lower section among lifting beam with hook 41.
The low clearance hand power truck crane of the present embodiment is included in the horizontal direction along the walking of I-beam 5 and in vertical direction
On two kinds of courses of work of cargo lifting, two kinds of courses of work are respectively：
1st, the walking course of work：The hoofing part bangle bar 25 at 1 both ends of driving car body is pulled at the same time, drives hoofing part hand
Sprocket wheel 21 rotates, and by input speed in the input axial direction gear reducer 22 of gear reducer 22, slows down through gear reducer 22 and increases moment of torsion,
By gear reducer 22 output shaft output speed and drive the gear shaft 26 of driven gear 23 and driven gear 23 to rotate, driven tooth
The rack 24 of 5 bottom of the occlusion I-beam of wheel 23, drives hand power truck crane to realize walking steadily, reversely pulls 1 both ends of driving car body
Hoofing part bangle bar 25 can return to hand power truck crane.
2nd, the raising course of work：Pulling the lifting driving bangle bar 35 of driving 1 either end of car body rotates bangle wheel 37,
Torque is delivered to chain hoist wheel 36 and hoisting chain 34, and hoisting chain 34 drives the first to the 8th fixed chain wheels and first to fourth
Movable sprocket wheel, first to fourth movable sprocket wheel are drawn high under the pulling of hoisting chain 34, are hooked on suspension hook 42 and suspension hook 42
Cargo is also drawn high, it draws high state as shown in figure 3, the brake in chain block host 31 prevents cargo under the effect of gravity
Decline, when cargo needs to decline, reversely pull lifting driving bangle bar 35, the bangle wheel 37 in chain block host 31 is reverse
Rotation, torque, which is delivered to chain hoist wheel 36, reversely rotates chain hoist wheel 36, and hoisting chain 34 is relaxed, first to fourth activity
Sprocket wheel declines under the effect of gravity, and the cargo hooked on suspension hook 42 and suspension hook 42 declines.
The low clearance hand power truck crane of the present embodiment, suspension hook when rising to extreme higher position rings center away from I-beam bottom it
Between distance be only 450mm, compact overall structure, the maximum lifting height of cargo becomes larger, meets under low clearance working condition
Lifting demand, it is 20t that maximum, which plays a heavy load, maximum lifting height 5m-15m, and running stroke subtracts up to 5m-30m, gear reducer
Speed is than being 1:30, the chain block host at driving car body both ends pull any one can raising cargo, while use raising
Speed is faster.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (10)
- A kind of 1. low clearance hand power truck crane, it is characterised in that：The low clearance hand power truck crane includes：Driving car body (1), the driving car body (1) are slidably mounted on I-beam (5) lower flange being suspended in midair；Two groups of hoofing part mechanisms (2), two groups of hoofing part mechanisms (2) are arranged diagonal in driving car body (1) both sides, every group of row Walking driving mechanism (2) includes hoofing part bangle wheel (21), gear reducer (22), driven gear (23) and rack (24), and walking is driven Sprocket wheel (21) start on the outside of driving car body (1), the gear axis connection gear reducer (22) of hoofing part bangle wheel (21) Input shaft, the gear shaft (26) of the output axis connection driven gear (23) of gear reducer (22), driven gear (23) by with installation Rack (24) engaged transmission driving driving car body (1) in I-beam (5) bottom is walked along I-beam (5)；Lifting driving mechanism (3), the lifting driving mechanism (3) include respectively hanging the of driving car body (1) bottom both ends One chain block host (31) and the second chain block host (38), pull calabash on driving car body (1) and positioned at first Fixed chain wheels group (32) between reed host (31) and the second chain block host (38), be suspended in below fixed chain wheels group (32) Activity chain wheel set (33) and hoisting chain (34), be intertwined and connected in the hoisting chain (34) of the first chain block host (31) It is intertwined and connected via fixed chain wheels group (32) and activity chain wheel set (33) to the second chain block host (38)；Hook mechanism (4), hook mechanism (4) top are integrally installed with activity chain wheel set (33).
- A kind of 2. low clearance hand power truck crane according to claim 1, it is characterised in that：The driving car body (1) includes phase Two pieces of wallboards (11) to setting and two groups of wheel groups being separately mounted on the inside of two groups of wallboards (11), every group of wheel group are wrapped Include four driven wheels (12) walked side by side in I-beam (5) lower flange both sides.
- A kind of 3. low clearance hand power truck crane according to claim 1, it is characterised in that：The hoofing part bangle wheel (21) Installed in wallboard (11) outboard end, gear reducer (22) is located at hoofing part bangle wheel (21) side, the tooth of driven gear (23) Wheel shaft (26) one end connects the output shaft of gear reducer (22), gear shaft (26) other end of driven gear (23) through wallboard (11) Another piece of wallboard (11) is connected to by bearing.
- A kind of 4. low clearance hand power truck crane according to claim 1, it is characterised in that：The hook mechanism (4) includes hanging Hook crossbeam (41) and suspension hook (42), activity chain wheel set (33) are installed on lifting beam with hook (41) inside, and suspension hook (42) is connected to suspension hook Lower section among crossbeam (41).
- A kind of 5. low clearance hand power truck crane according to claim 1, it is characterised in that：The fixed chain wheels group (32) includes First to the 8th fixed chain wheels, the first fixed chain wheels (321) and the second fixed chain wheels (322) are respectively arranged on the first chain block master Machine (31) and the second chain block host (38) side are simultaneously connected to driving car body (1) bottom, and the 3rd to the 8th fixed chain wheels are simultaneously Row is installed on driving car body (1) lower part.
- A kind of 6. low clearance hand power truck crane according to claim 1, it is characterised in that：The activity chain wheel set (33) includes First to fourth movable sprocket wheel, first to fourth movable sprocket wheel are suspended in the 3rd to the 8th fixed chain wheels by hoisting chain (34) Underface.
- A kind of 7. low clearance hand power truck crane according to claim 6, it is characterised in that：Described hoisting chain (34) one end with Chain hoist wheel (36) engagement in first chain block host (31), hoisting chain (34) other end fix chain around first successively Take turns (321), the 3rd fixed chain wheels (323), the first movable sprocket wheel (331), the 4th fixed chain wheels (324), the second movable sprocket wheel (332), the 5th fixed chain wheels (325), the 6th fixed chain wheels (326), the 3rd movable sprocket wheel (333), the 7th fixed chain wheels (327), the 4th movable sprocket wheel (334), the 8th fixed chain wheels (328) and the second fixed chain wheels (322) pull calabash with second afterwards Chain hoist wheel (36) engagement in reed host (38).
- A kind of 8. low clearance hand power truck crane according to claim 3, it is characterised in that：The hoofing part bangle wheel (21) On be engaged with hoofing part bangle bar (25).
- A kind of 9. low clearance hand power truck crane according to claim 7, it is characterised in that：The first chain block host (31) and on the second chain block host (38) lifting driving bangle bar (35), the first chain block host (31) and the are equipped with The lifting driving bangle bar (35) of two chain block hosts (38) pulls calabash with the first chain block host (31) and second respectively Bangle wheel (37) engagement in reed host (38).
- A kind of 10. low clearance hand power truck crane according to claim 2, it is characterised in that：Driven wheel (12) are stepped on Face is arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455933.5U CN207361614U (en) | 2017-11-03 | 2017-11-03 | A kind of low clearance hand power truck crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455933.5U CN207361614U (en) | 2017-11-03 | 2017-11-03 | A kind of low clearance hand power truck crane |
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| Publication Number | Publication Date |
|---|---|
| CN207361614U true CN207361614U (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721455933.5U Active CN207361614U (en) | 2017-11-03 | 2017-11-03 | A kind of low clearance hand power truck crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697805A (en) * | 2017-11-03 | 2018-02-16 | 无锡海德龙船舶设备有限公司 | A kind of low clearance hand power truck crane |
-
2017
- 2017-11-03 CN CN201721455933.5U patent/CN207361614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697805A (en) * | 2017-11-03 | 2018-02-16 | 无锡海德龙船舶设备有限公司 | A kind of low clearance hand power truck crane |
| CN107697805B (en) * | 2017-11-03 | 2024-04-12 | 无锡海德龙船舶设备有限公司 | Low-clearance hand-pulling traveling crane |
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