CN204823930U - Leg structure for hoist - Google Patents
Leg structure for hoist Download PDFInfo
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- CN204823930U CN204823930U CN201520467092.4U CN201520467092U CN204823930U CN 204823930 U CN204823930 U CN 204823930U CN 201520467092 U CN201520467092 U CN 201520467092U CN 204823930 U CN204823930 U CN 204823930U
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- horizontal
- horizontal support
- support arms
- supporting leg
- leg structure
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Abstract
The utility model relates to a leg structure for hoist, it includes a horizontal support arm, the inside both ends of a horizontal support arm are provided with support A and horizontal pneumatic cylinder respectively, even there is the gyro wheel on support A's upper portion, horizontal pneumatic cylinder is connected with horizontal push rod, the one end of horizontal push rod even has the 2nd horizontal support arm, the inside roller bearing that is equipped with of the 2nd horizontal support arm, the lower surface of the 2nd horizontal support arm is equipped with the slot rolling, the 2nd horizontal support arm tip is equipped with perpendicular hydro -cylinder, the sub -unit connection of perpendicular hydro -cylinder has perpendicular push rod, the tip of perpendicular push rod is provided with the distance rod, the outside cover of distance rod is equipped with the dirt proof boot, the upper portion of dirt proof boot is provided with retaining snap ring, the lower part of dust cover is provided with the fixing base, the distance rod is connected with the landing leg board, the middle part of landing leg board is provided with the pressure seat, the pressure seat is provided with the thrust groove, the upper surface of pressure seat is equipped with the annular arch, and is simple in structure, wide application range, can adapt to abominable operating mode, it is dustproof effectual, no shedding and long service life.
Description
Technical field
The utility model belongs to technical field of crane equipment, particularly a kind of supporting leg structure for crane.
Background technology
Along with the needs produced, elevator machinery application is more and more extensive, in order to increase the stability of hoisting operation, middle large-tonnage car hosit due to hoisting weight larger, hoisting crane will use crane support to balance usually, crane support carries out adjustment span by horizontal support legs and vertical leg, thus improve its stability, in addition, when hoisting crane, to be in ground not whole, or when there is a gradient on ground, in order to reduce the stress of outrigger plate, the outrigger plate of employing activity, make outrigger plate can adapt to the degree of dip on ground, but, due to the environment more complicated of elevator machinery operation, this will cause outrigger plate and supporting leg junction easily to pile up dust, thus reduce the alerting ability of connection, increase the life-span that wearing and tearing reduce use, existing sealing is not firm, in addition, at hoisting crane in the process regulating span, usually regulated by hydraulic efficiency gear, but in the flexible process of horizontal hydraulic pressure bar, horizontal hydraulic pressure bar weares and teares more serious with horizontal adjustment arm, cause the reduction in supporting leg service life, in addition, horizontal arm also there will be the phenomenon of serious wear in adjustment.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of and have that structure is simple, applied widely, good dustproof effect, the loss of reduction supporting leg, easy to adjust, long service life supporting leg structure for crane.
The technical solution adopted in the utility model is achieved in that a kind of supporting leg structure for crane, it comprises the first horizontal support arms, one end of the first described horizontal support arms inside is provided with support A, the top of described support A is connected with roller, the other end of the first horizontal support arms inside is provided with horizontal hydraulic cylinder, described horizontal hydraulic cylinder is connected with horizontal push, one end of described horizontal push is connected with the second horizontal support arms, one end of the second described horizontal support arms inside is vertically provided with brace panel, the other end of the second horizontal support arms inside is provided with support B, the upper end of described support B is connected with roller bearing, the cross section of described roller bearing is arcuate structure up and down, the lower surface of the second horizontal support arms is horizontally arranged with slot rolling, second horizontal support arms end is provided with Vertical Cylinders, the bottom of described Vertical Cylinders is connected with vertical pusher, the end of described vertical pusher is provided with propelling rod, the end of described propelling rod is set to chondritic, the top of propelling rod is provided with annular groove, the outer cover of propelling rod is provided with dust protecting cap, the top of described dust protecting cap is provided with snap ring, the bottom of dust boot is provided with permanent seat, propelling rod is connected with outrigger plate, the middle part of described outrigger plate is provided with pressure seat, the middle part of described pressure seat is provided with thrust groove, the periphery of the upper surface thrust groove of pressure seat is provided with annular protrusion, the upper surface of described annular protrusion is provided with packing seal.
Described roller matches with slot rolling.
The diameter compatible of the radian that described roller bearing is arranged and horizontal push closes.
The surface of described roller bearing is provided with rubber wear-resisting layer.
The top of described thrust groove is set to hatch frame, and the upper opening of thrust groove is tapered configuration.
Described permanent seat matches with annular protrusion.
Described annular groove matches with snap ring.
The beneficial effects of the utility model: a kind of supporting leg structure for crane of the utility model, the adjustment of supporting leg span can be realized, the weight lifting of multiple different tonnage can be adapted to, horizontal push is promoted by the horizontal hydraulic pressure bar of the first horizontal support arms inside, thus regulate the horizontal span of supporting leg, the end of the second horizontal shore is provided with support A, support A is provided with roller bearing, this structure can make horizontal push in the process of horizontal motion, can the gravity of actv. bearing force props, and, the surface of roller bearing is provided with rubber wear-resisting layer, this structure design can play the effect of damping by actv., in addition, the bottom of the second horizontal shore is provided with slot rolling, first support beam inside is provided with roller, like this when regulating span, more convenient, wear and tear less, improve service life, in addition, the boss of annular is provided with at the excircle of the upper surface thrust groove of pressure seat, and face is provided with packing seal on annular boss, this structure just ensure that permanent seat and pressure seat close contact, good dustproof effect, in addition, the top of dust protecting cap is provided with snap ring to be fixed in annular groove, this structure construction is convenient, easy operation, good dustproof effect, it is simple that the utility model has structure, applied widely, severe operating mode can be adapted to, good dustproof effect, the advantage of long service life.
Accompanying drawing explanation
Fig. 1 is a kind of supporting leg structure for crane front view of the utility model.
Fig. 2 is the A place enlarged drawing of a kind of supporting leg structure for crane of the utility model.
Fig. 3 is the roller bearing section drawing of a kind of supporting leg structure for crane of the utility model.
In figure: 1, the first horizontal support arms 2, support A3, roller 4, horizontal hydraulic cylinder 5, horizontal push 6, second horizontal support arms 7, brace panel 8, support B9, roller bearing 10, slot rolling 11, Vertical Cylinders 12, vertical pusher 13, propelling rod 14, annular groove 15, dust protecting cap 16, snap ring 17, permanent seat 18, outrigger plate 19, pressure seat 20, thrust groove 21, annular protrusion 22, packing seal 23, rubber wear-resisting layer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
As Figure 1-3, a kind of supporting leg structure for crane, it comprises the first horizontal support arms 1, one end of the first described horizontal support arms 1 inside is provided with support A2, the top of described support A2 is connected with roller 3, the other end of the first horizontal support arms 1 inside is provided with horizontal hydraulic cylinder 4, described horizontal hydraulic cylinder 4 is connected with horizontal push 5, one end of described horizontal push 5 is connected with the second horizontal support arms 6, one end of the second described horizontal support arms 6 inside is vertically provided with brace panel 7, the other end of the second horizontal support arms 6 inside is provided with support B8, the upper end of described support B8 is connected with roller bearing 9, the cross section of described roller bearing 9 is arcuate structure up and down, the lower surface of the second horizontal support arms 6 is horizontally arranged with slot rolling 10, second horizontal support arms 6 end is provided with Vertical Cylinders 11, the bottom of described Vertical Cylinders 11 is connected with vertical pusher 12, the end of described vertical pusher 12 is provided with propelling rod 13, the end of described propelling rod 13 is set to chondritic, the top of propelling rod 13 is provided with annular groove 14, the outer cover of propelling rod 13 is provided with dust protecting cap 15, the top of described dust protecting cap 15 is provided with snap ring 16, the bottom of dust boot 15 is provided with permanent seat 17, propelling rod 13 is connected with outrigger plate 18, the middle part of described outrigger plate 18 is provided with pressure seat 19, the middle part of described pressure seat 19 is provided with thrust groove 20, the periphery of the upper surface thrust groove 20 of pressure seat 19 is provided with annular protrusion 21, the upper surface of described annular protrusion 21 is provided with packing seal 22.
A kind of supporting leg structure for crane of the utility model, the adjustment of supporting leg span can be realized, the weight lifting of multiple different tonnage can be adapted to, horizontal push is promoted by the horizontal hydraulic pressure bar of the first horizontal support arms inside, thus regulate the horizontal span of supporting leg, the end of the second horizontal shore is provided with support A, support A is provided with roller bearing, this structure can make horizontal push in the process of horizontal motion, can the gravity of actv. bearing force props, and, the surface of roller bearing is provided with rubber wear-resisting layer, this structure design can play the effect of damping by actv., in addition, the bottom of the second horizontal shore is provided with slot rolling, first support beam inside is provided with roller, like this when regulating span, more convenient, wear and tear less, improve service life, in addition, the boss of annular is provided with at the excircle of the upper surface thrust groove of pressure seat, and face is provided with packing seal on annular boss, this structure just ensure that permanent seat and pressure seat close contact, good dustproof effect, in addition, the top of dust protecting cap is provided with snap ring to be fixed in annular groove, this structure construction is convenient, easy operation, good dustproof effect, it is simple that the utility model has structure, applied widely, severe operating mode can be adapted to, good dustproof effect, the advantage of long service life.
Embodiment 2
As Figure 1-3, a kind of supporting leg structure for crane, it comprises the first horizontal support arms 1, one end of the first described horizontal support arms 1 inside is provided with support A2, the top of described support A2 is connected with roller 3, the other end of the first horizontal support arms 1 inside is provided with horizontal hydraulic cylinder 4, described horizontal hydraulic cylinder 4 is connected with horizontal push 5, one end of described horizontal push 5 is connected with the second horizontal support arms 6, one end of the second described horizontal support arms 6 inside is vertically provided with brace panel 7, the other end of the second horizontal support arms 6 inside is provided with support B8, the upper end of described support B8 is connected with roller bearing 9, the cross section of described roller bearing 9 is arcuate structure up and down, the lower surface of the second horizontal support arms 6 is horizontally arranged with slot rolling 10, second horizontal support arms 6 end is provided with Vertical Cylinders 11, the bottom of described Vertical Cylinders 11 is connected with vertical pusher 12, the end of described vertical pusher 12 is provided with propelling rod 13, the end of described propelling rod 13 is set to chondritic, the top of propelling rod 13 is provided with annular groove 14, the outer cover of propelling rod 13 is provided with dust protecting cap 15, the top of described dust protecting cap 15 is provided with snap ring 16, the bottom of dust boot 15 is provided with permanent seat 17, propelling rod 13 is connected with outrigger plate 18, the middle part of described outrigger plate 18 is provided with pressure seat 19, the middle part of described pressure seat 19 is provided with thrust groove 20, the periphery of the upper surface thrust groove 20 of pressure seat 19 is provided with annular protrusion 21, the upper surface of described annular protrusion 21 is provided with packing seal 22.
Described roller 3 matches with slot rolling 10.
The diameter compatible of the radian that described roller bearing 9 is arranged and horizontal push 5 closes.
The surface of described roller bearing 9 is provided with rubber wear-resisting layer 23.
The top of described thrust groove 20 is set to hatch frame, and the upper opening of thrust groove 20 is tapered configuration.
Described permanent seat 17 matches with annular protrusion 21.
Described annular groove 14 matches with snap ring 16.
A kind of supporting leg structure for crane of the utility model, the adjustment of supporting leg span can be realized, the weight lifting of multiple different tonnage can be adapted to, horizontal push is promoted by the horizontal hydraulic pressure bar of the first horizontal support arms inside, thus regulate the horizontal span of supporting leg, the end of the second horizontal shore is provided with support A, support A is provided with roller bearing, this structure can make horizontal push in the process of horizontal motion, can the gravity of actv. bearing force props, and, the surface of roller bearing is provided with rubber wear-resisting layer, this structure design can play the effect of damping by actv., in addition, the bottom of the second horizontal shore is provided with slot rolling, first support beam inside is provided with roller, like this when regulating span, more convenient, wear and tear less, improve service life, in addition, the boss of annular is provided with at the excircle of the upper surface thrust groove of pressure seat, and face is provided with packing seal on annular boss, this structure just ensure that permanent seat and pressure seat close contact, good dustproof effect, in addition, the top of dust protecting cap is provided with snap ring to be fixed in annular groove, this structure construction is convenient, easy operation, good dustproof effect, it is simple that the utility model has structure, applied widely, severe operating mode can be adapted to, good dustproof effect, the advantage of long service life.
Claims (7)
1. a supporting leg structure for crane, it comprises the first horizontal support arms, it is characterized in that: one end of the first described horizontal support arms inside is provided with support A, the top of described support A is connected with roller, the other end of the first horizontal support arms inside is provided with horizontal hydraulic cylinder, described horizontal hydraulic cylinder is connected with horizontal push, one end of described horizontal push is connected with the second horizontal support arms, one end of the second described horizontal support arms inside is vertically provided with brace panel, the other end of the second horizontal support arms inside is provided with support B, the upper end of described support B is connected with roller bearing, the cross section of described roller bearing is arcuate structure up and down, the lower surface of the second horizontal support arms is horizontally arranged with slot rolling, second horizontal support arms end is provided with Vertical Cylinders, the bottom of described Vertical Cylinders is connected with vertical pusher, the end of described vertical pusher is provided with propelling rod, the end of described propelling rod is set to chondritic, the top of propelling rod is provided with annular groove, the outer cover of propelling rod is provided with dust protecting cap, the top of described dust protecting cap is provided with snap ring, the bottom of dust boot is provided with permanent seat, propelling rod is connected with outrigger plate, the middle part of described outrigger plate is provided with pressure seat, the middle part of described pressure seat is provided with thrust groove, the periphery of the upper surface thrust groove of pressure seat is provided with annular protrusion, the upper surface of described annular protrusion is provided with packing seal.
2. a kind of supporting leg structure for crane according to claim 1, is characterized in that: described roller matches with slot rolling.
3. a kind of supporting leg structure for crane according to claim 1, is characterized in that: the diameter compatible of the radian that described roller bearing is arranged and horizontal push closes.
4. a kind of supporting leg structure for crane according to claim 1, is characterized in that: the surface of described roller bearing is provided with rubber wear-resisting layer.
5. a kind of supporting leg structure for crane according to claim 1, is characterized in that: the top of described thrust groove is set to hatch frame, and the upper opening of thrust groove is tapered configuration.
6. a kind of supporting leg structure for crane according to claim 1, is characterized in that: described permanent seat matches with annular protrusion.
7. a kind of supporting leg structure for crane according to claim 1, is characterized in that: described annular groove matches with snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467092.4U CN204823930U (en) | 2015-07-02 | 2015-07-02 | Leg structure for hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467092.4U CN204823930U (en) | 2015-07-02 | 2015-07-02 | Leg structure for hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204823930U true CN204823930U (en) | 2015-12-02 |
Family
ID=54681553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520467092.4U Expired - Fee Related CN204823930U (en) | 2015-07-02 | 2015-07-02 | Leg structure for hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204823930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115626561A (en) * | 2022-12-22 | 2023-01-20 | 江苏朗恩机械制造有限公司 | Supporting leg box structure of crane |
-
2015
- 2015-07-02 CN CN201520467092.4U patent/CN204823930U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115626561A (en) * | 2022-12-22 | 2023-01-20 | 江苏朗恩机械制造有限公司 | Supporting leg box structure of crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |