CN205990218U - A kind of telescopic oil cylinder fixing device and the aerial work platform using this device - Google Patents
A kind of telescopic oil cylinder fixing device and the aerial work platform using this device Download PDFInfo
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- CN205990218U CN205990218U CN201620878055.7U CN201620878055U CN205990218U CN 205990218 U CN205990218 U CN 205990218U CN 201620878055 U CN201620878055 U CN 201620878055U CN 205990218 U CN205990218 U CN 205990218U
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Abstract
The utility model discloses a kind of telescopic oil cylinder fixing device and the aerial work platform using this device, including the telescopic arm being at least made up of 3 joint arms, it includes：A mutually nested successively from outside to inside joint arm (1), two joint arms (2) and three joint arms (3.1)；It is designed to the rectangular channel that cross section is rectangle in a joint arm (1) the arm tail of described telescopic arm and two joint arms (2) arm tail, telescopic oil cylinder (6) passes through telescopic oil cylinder fixation assembly (9) and a joint arm (1) arm tail, the rectangular channel fiting constraint of two joint arms (2) arm tail, and then realizes the detachable fixation to telescopic oil cylinder (6)；This utility model is capable of telescopic arm structure exempts from processing, telescopic arm need not be carried out with disintegration formula dismounting, be easy to aerial work platform regular maintenance, and then improve production efficiency, substantially reduces maintainer's task difficulty, repair time and accessory loss.
Description
Technical field
This utility model is related to a kind of telescopic oil cylinder fixing device and the aerial work platform using this device.
Background technology
Aerial work platform is mainly used in municipal administration, building, venue, petrochemical industry and rental service, and working environment is complicated, evil
Bad, the debris such as dust, iron filings are more, fall into inside telescopic arm, influence whether flexible ride comfort and manipulate fine motion, when serious,
Lead to stretch and make sound and shake, need periodically to the maintenance of telescopic arm internal cleaning and maintaining, to extend car load service life.
The telescopic arm of aerial work platform is typically formed by the above joint arm of 2 sections or 2 sections is mutually nested, by flexible oil
Cylinder, pull rope, the drive of recovery rope, telescopic arm are carried to certain altitude, realize car load operation function.
It is illustrated in figure 1 telescopic arm schematic diagram, two joint arms 2 are nested in inside a joint arm 1, telescopic oil cylinder cylinder rod hold-down support
3 are spliced by the sheet metal of high intensity, and are welded on a joint arm 1 afterbody；Telescopic oil cylinder cylinder barrel hold-down support 4 is welded on two
Joint arm 2 afterbody.
After the completion of telescopic arm structure welding, through machining processes such as boring, milling, borings, by fixing for telescopic oil cylinder cylinder rod
Seat 3 and telescopic oil cylinder cylinder barrel hold-down support 4 process the pin assembling/disassembling hole 8 of certain diameter size, as shown in Fig. 2 using pin respectively
Telescopic oil cylinder and two joint arms 2, a joint arm 1 are linked together by axle 7, limit above-below direction and along arm cylinder direction translation from
By degree and rotational freedom.
Use baffle plate, bolt etc. that bearing pin 7 is fixing in a joint arm 1, two joint arms 2, then can be entirely limited telescopic oil cylinder all of
Translation freedoms and rotational freedom；In a certain order by the pull rope of telescopic system 5, reclaim rope, pulley etc. and a section
After the completion of arm, two joint arm assemblings, under the drive of telescopic oil cylinder, the Telescopic of achievable telescopic arm.
Above-mentioned telescopic oil cylinder fixing device suffers from the drawback that in use：
1st, the manufacturing process of telescopic oil cylinder hold-down support carries out bore hole, end face milling for after the completion of telescopic arm structure welding, raw
Produce high cost；And the problem that the form and position tolerances such as the axiality of two side holes, the depth of parallelism are unsatisfactory for drawing requirement easily occurs, to stretching
The assembling of contracting arm causes difficulty.
2nd, telescopic arm maintenance and regular maintenance, or occur hydraulic oil reveal, rope come off situation when, need to tear open first
Unload telescopic oil cylinder；When dismounting connects cylinder barrel, the bearing pin of cylinder rod, due to the impact of the accuracy of manufacture, " embracing occur in bearing pin and installing hole
Tightly ", increase task difficulty, reduce work efficiency.
3rd, the dismounting hinge pin being connected with two joint arms for convenience of telescopic oil cylinder cylinder barrel, needs to design pin assembling/disassembling in a joint arm
Hole, pin assembling/disassembling hole 8 as shown in Figure 2, the structural strength of impact one joint arm, it may occur however that local buckling, affects job safety
Property.
Content of the invention
The problem existing for above-mentioned prior art, a kind of this utility model telescopic oil cylinder fixing device of offer and use should
The aerial work platform of device, it is capable of telescopic arm structure and exempts from processing, telescopic arm need not be carried out with disintegration formula dismounting, be easy to
Aerial work platform regular maintenance, and then improve production efficiency, substantially reduce maintainer's task difficulty, repair time and zero
Part is lost.
To achieve these goals, the technical solution adopted in the utility model is：A kind of telescopic oil cylinder fixing device, it wraps
Include：
The telescopic arm being at least made up of 3 joint arms, it includes：From outside to inside a joint arm mutually nested successively, two joint arms and
Three joint arms；
It is designed to, in a joint arm arm tail of described telescopic arm and two joint arm arm tails, the rectangular channel that cross section is rectangle, stretch
Oil cylinder passes through the rectangular channel fiting constraint of telescopic oil cylinder fixation assembly and a joint arm arm tail, two joint arm arm tails, and then realization is to stretching
The detachable fixation of contracting oil cylinder.
Described telescopic oil cylinder fixation assembly includes cylinder barrel fixing device and cylinder sleeve fixing device；
Described cylinder barrel fixing device includes telescopic oil cylinder cylinder barrel, cylinder barrel fixed block, cylinder barrel fixed seat and cylinder barrel installation
Seat；The cross section at the two ends of described cylinder barrel erection support is ladder draw-in groove, cylinder barrel fixed seat is provided with rectangular channel, in cylinder barrel fixed seat
Separately design screwed hole and unthreaded hole with cylinder barrel fixed block, and fixed using cylinder barrel screw bolt passes cylinder barrel fixed seat and cylinder barrel
Block, cylinder barrel erection support is fixed, and limits telescopic oil cylinder play vertically；
Described cylinder sleeve fixing device includes telescopic oil cylinder cylinder rod, cylinder rod fixed block, cylinder rod fixed seat and cylinder rod installation
Seat；The cross section at the two ends of described cylinder rod erection support is ladder draw-in groove, cylinder rod fixed seat both sides are provided with rectangular channel, solid in cylinder rod
Reservation, cylinder rod fixed block separately design screwed hole and unthreaded hole, utilize cylinder barrel screw bolt passes cylinder rod fixed seat, cylinder rod solid simultaneously
Determine block and then cylinder rod erection support is fixed, limit translation and the rotational freedom of telescopic oil cylinder, realize the simple of telescopic oil cylinder
Fixed form.
The rectangular channel of the described two ends of cylinder barrel erection support and cylinder barrel fixed seat is formed along telescopic oil cylinder axial direction and height
The face in direction and the cooperation in face；
The rectangular channel of the described two ends of cylinder rod erection support and cylinder rod fixed seat is formed along telescopic oil cylinder axial direction and height
The face in direction and the cooperation in face.
Described cylinder barrel erection support and cylinder barrel fixed seat carry out gap cooperation in the direction of the width；
Described cylinder rod erection support and cylinder rod fixed seat carry out gap cooperation in the direction of the width.
A kind of aerial work platform, including any above-mentioned telescopic oil cylinder fixing device.
Compared with existing fixed form, this utility model has advantages below：
1st, telescopic oil cylinder fixing device of the present utility model is by ladder draw-in groove and rectangular channel, and version is simple, processing
Low cost of manufacture；
2nd, install telescopic oil cylinder when, or occur hydraulic oil reveal, rope come off, need telescopic arm to be overhauled and ties up
During shield, only bolt and fixed block be need to pull down, telescopic oil cylinder just can be removed with integral type, telescopic arm maintenance and regular maintenance are easy to,
Reduce task difficulty, improve working performance；
3rd, telescopic oil cylinder fixing device adopts ladder draw-in groove-rectangular groove structure, can limit rotation to a certain extent certainly
By spending, reduce cylinder barrel, abrasion in telescopic process for the cylinder rod.
Brief description
Fig. 1 is existing telescopic arm structure schematic diagram；
Fig. 2 is existing telescopic arm structure scheme of installation；
Fig. 3 is this utility model overall structure diagram；
Fig. 4 is the structural representation of this utility model middle cylinder tube fixing device；
Fig. 5 is the structural representation of this utility model middle cylinder lever fixing apparatus
In figure：1st, a joint arm, 2, two joint arms, 3, telescopic oil cylinder lever hold-down support, 3.1, three joint arms, 4, telescopic oil cylinder
Cylinder barrel hold-down support, 5, telescopic system, 6, telescopic oil cylinder, 7, bearing pin, 8, pin assembling/disassembling hole, 9, telescopic oil cylinder fixation assembly,
9.1.1, telescopic oil cylinder cylinder barrel, 9.1.2, cylinder barrel fixed block, 9.1.3, cylinder barrel fixed seat, 9.1.4, cylinder barrel erection support,
9.1.5, cylinder barrel fixing bolt, 9.2.1, telescopic oil cylinder cylinder rod, 9.2.2, cylinder rod fixed block, 9.2.3, cylinder rod fixed seat,
9.2.4, cylinder rod bolt, 9.2.5, cylinder rod erection support.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Wherein, the present embodiment is the telescopic arm that 3 joint arms are constituted, 2 sections and the 3 above structures of section and this utility model principle,
Structure is consistent.
As shown in Figures 3 to 5, it is a kind of telescopic oil cylinder fixing device, it includes：
The telescopic arm being at least made up of 3 joint arms, it includes：A joint arm 1 two joint arm 2 mutually nested successively from outside to inside and
Three joint arms 3.1；
It is designed to, in a joint arm 1 arm tail of described telescopic arm and two joint arm 2 arm tail, the rectangular channel that cross section is rectangle, stretch
Contracting oil cylinder 6 passes through the rectangular channel fiting constraint of telescopic oil cylinder fixation assembly 9 and a joint arm 1 arm tail, two joint arm 2 arm tail, Jin Ershi
The now detachable fixation to telescopic oil cylinder 6.
As shown in Figure 4 and Figure 5, described telescopic oil cylinder fixation assembly 9 includes cylinder barrel fixing device and cylinder sleeve fixing device；
Described cylinder barrel fixing device includes telescopic oil cylinder cylinder barrel 9.1.1, cylinder barrel fixed block 9.1.2, cylinder barrel fixed seat
And cylinder barrel erection support 9.1.4 9.1.3；The cross section at the two ends of described cylinder barrel erection support 9.1.4 is ladder draw-in groove, cylinder barrel is solid
Reservation 9.1.3 is provided with rectangular channel, separately designs screwed hole and unthreaded hole in cylinder barrel fixed seat 9.1.3 and cylinder barrel fixed block 9.1.2, and
Sequentially pass through cylinder barrel fixed seat 9.1.3 and cylinder barrel fixed block 9.1.2 using cylinder barrel bolt 9.1.5, by cylinder barrel erection support 9.1.4
Fixing, limit telescopic oil cylinder 6 play vertically, cylinder barrel fixed seat 9.1.3 here is provided with rectangular channel and is provided in two joint arm 2 arm
On tail；
Described cylinder sleeve fixing device includes telescopic oil cylinder cylinder rod 9.2.1, cylinder rod fixed block 9.2.2, cylinder rod fixed seat
And cylinder rod erection support 9.2.5 9.2.3；The cross section at the two ends of described cylinder rod erection support 9.2.5 is ladder draw-in groove, cylinder rod is solid
Reservation 9.2.3 both sides are provided with rectangular channel, separately design screwed hole and light in cylinder rod fixed seat 9.2.3, cylinder rod fixed block 9.2.2
Hole, sequentially passes through cylinder rod fixed seat 9.2.3, cylinder rod fixed block 9.2.2 using cylinder barrel bolt 9.2.4 simultaneously and then installs cylinder rod
Bearing 9.2.5 fixes, and limits translation and the rotational freedom of telescopic oil cylinder 6, realizes the simple fixed form of telescopic oil cylinder 6；This
In cylinder rod fixed seat 9.2.3 both sides be provided with rectangular channel and be arranged on a joint arm 1 arm tail.
Wherein, it is flexible that the rectangular channel of the described two ends of cylinder barrel erection support 9.1.4 and cylinder barrel fixed seat 9.1.3 forms edge
The face of oil cylinder 6 axial direction and short transverse and the cooperation in face；
The rectangular channel of the described two ends of cylinder rod erection support 9.2.5 and cylinder rod fixed seat 9.2.3 is formed along telescopic oil cylinder 6
Axially with the face of short transverse and the cooperation in face.
Further, described cylinder barrel erection support 9.1.4 and cylinder barrel fixed seat 9.1.3 carry out gap in the direction of the width and join
Close；
Described cylinder rod erection support 9.2.5 and cylinder rod fixed seat 9.2.3 carry out gap cooperation in the direction of the width；Gap
Cooperation facilitates the installation and removal of telescopic oil cylinder 6.
The invention also discloses a kind of aerial work platform, the telescopic oil cylinder including any one form above-mentioned is fixed
Device.
Compared with existing fixed form, this utility model has advantages below：
1st, telescopic oil cylinder fixing device of the present utility model is by ladder draw-in groove and rectangular channel, and version is simple, processing
Low cost of manufacture；
2nd, install telescopic oil cylinder when, or occur hydraulic oil reveal, rope come off, need telescopic arm to be overhauled and ties up
During shield, only bolt and fixed block be need to pull down, telescopic oil cylinder just can be removed with integral type, telescopic arm maintenance and regular maintenance are easy to,
Reduce task difficulty, improve working performance；
3rd, telescopic oil cylinder fixing device adopts ladder draw-in groove-rectangular groove structure, can limit rotation to a certain extent certainly
By spending, reduce cylinder barrel, abrasion in telescopic process for the cylinder rod.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, this practicality can be realized in other specific forms new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that the containing of equivalency that will fall in claim
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as limiting
Involved claim.
The above, preferred embodiment only of the present utility model, not in order to limit this utility model, every foundation is originally
Any trickle amendment, equivalent and improvement that the technical spirit of utility model is made to above example, should be included in this
Within the protection domain of utility model technical scheme.
Claims (5)
1. a kind of telescopic oil cylinder fixing device is it is characterised in that it includes：
The telescopic arm being at least made up of 3 joint arms, it includes：A joint arm mutually nested successively from outside to inside（1）, two joint arms（2）
And three joint arms（3.1）；
A joint arm in described telescopic arm（1）Arm tail and two joint arms（2）Arm tail is designed to the rectangular channel that cross section is rectangle, stretches
Contracting oil cylinder（6）By telescopic oil cylinder fixation assembly（9）With a joint arm（1）Arm tail, two joint arms（2）The rectangular channel of arm tail coordinates about
Bundle, and then realize to telescopic oil cylinder（6）Detachable fixation.
2. a kind of telescopic oil cylinder fixing device according to claim 1 is it is characterised in that described telescopic oil cylinder is fixing total
Become（9）Including cylinder barrel fixing device and cylinder sleeve fixing device；
Described cylinder barrel fixing device includes telescopic oil cylinder cylinder barrel（9.1.1）, cylinder barrel fixed block（9.1.2）, cylinder barrel fixed seat
（9.1.3）And cylinder barrel erection support（9.1.4）；Described cylinder barrel erection support（9.1.4）Two ends cross section be ladder draw-in groove,
Cylinder barrel fixed seat（9.1.3）It is provided with rectangular channel, in cylinder barrel fixed seat（9.1.3）With cylinder barrel fixed block（9.1.2）Separately design spiral shell
Pit and unthreaded hole, and utilize cylinder barrel bolt（9.1.5）Sequentially pass through cylinder barrel fixed seat（9.1.3）With cylinder barrel fixed block（9.1.2）,
By cylinder barrel erection support（9.1.4）Fixing, limit telescopic oil cylinder（6）Play vertically；
Described cylinder sleeve fixing device includes telescopic oil cylinder cylinder rod（9.2.1）, cylinder rod fixed block（9.2.2）, cylinder rod fixed seat
（9.2.3）And cylinder rod erection support（9.2.5）；Described cylinder rod erection support（9.2.5）Two ends cross section be ladder draw-in groove,
Cylinder rod fixed seat（9.2.3）Both sides are provided with rectangular channel, in cylinder rod fixed seat（9.2.3）, cylinder rod fixed block（9.2.2）Separately design
Screwed hole and unthreaded hole, utilize cylinder barrel bolt simultaneously（9.2.4）Sequentially pass through cylinder rod fixed seat（9.2.3）, cylinder rod fixed block
（9.2.2）And then by cylinder rod erection support（9.2.5）Fixing, limit telescopic oil cylinder（6）Translation and rotational freedom, realize stretching
Contracting oil cylinder（6）Simple fixed form.
3. a kind of telescopic oil cylinder fixing device according to claim 2 is it is characterised in that described cylinder barrel erection support
（9.1.4）Two ends and cylinder barrel fixed seat（9.1.3）Rectangular channel formed along telescopic oil cylinder（6）Axially and short transverse face with
The cooperation in face；
Described cylinder rod erection support（9.2.5）Two ends and cylinder rod fixed seat（9.2.3）Rectangular channel formed along telescopic oil cylinder
（6）Axially with the face of short transverse and the cooperation in face.
4. a kind of telescopic oil cylinder fixing device according to claim 3 is it is characterised in that described cylinder barrel erection support
（9.1.4）With cylinder barrel fixed seat（9.1.3）Carry out gap cooperation in the direction of the width；
Described cylinder rod erection support（9.2.5）With cylinder rod fixed seat（9.2.3）Carry out gap cooperation in the direction of the width.
5. a kind of aerial work platform is consolidated it is characterised in that including arbitrary described a kind of telescopic oil cylinder in Claims 1-4
Determine device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878055.7U CN205990218U (en) | 2016-08-15 | 2016-08-15 | A kind of telescopic oil cylinder fixing device and the aerial work platform using this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878055.7U CN205990218U (en) | 2016-08-15 | 2016-08-15 | A kind of telescopic oil cylinder fixing device and the aerial work platform using this device |
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| Publication Number | Publication Date |
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| CN205990218U true CN205990218U (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620878055.7U Active CN205990218U (en) | 2016-08-15 | 2016-08-15 | A kind of telescopic oil cylinder fixing device and the aerial work platform using this device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500207A (en) * | 2017-08-30 | 2017-12-22 | 美通重工有限公司 | A kind of fast-type fixing device |
| CN109467033A (en) * | 2018-12-14 | 2019-03-15 | 中联重科股份有限公司 | Mounting device, telescopic boom, aerial work equipment and mounting and maintaining method |
| CN109748216B (en) * | 2019-03-19 | 2023-08-18 | 威海怡和专用设备制造有限公司 | Vehicle-mounted hydraulic lifting mechanism |
-
2016
- 2016-08-15 CN CN201620878055.7U patent/CN205990218U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500207A (en) * | 2017-08-30 | 2017-12-22 | 美通重工有限公司 | A kind of fast-type fixing device |
| CN109467033A (en) * | 2018-12-14 | 2019-03-15 | 中联重科股份有限公司 | Mounting device, telescopic boom, aerial work equipment and mounting and maintaining method |
| CN109467033B (en) * | 2018-12-14 | 2024-04-26 | 湖南中联重科智能高空作业机械有限公司 | Mounting device, telescopic boom, aerial working equipment, mounting and maintenance method |
| CN109748216B (en) * | 2019-03-19 | 2023-08-18 | 威海怡和专用设备制造有限公司 | Vehicle-mounted hydraulic lifting mechanism |
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