CN202641656U - Landing leg base plate - Google Patents
Landing leg base plate Download PDFInfo
- Publication number
- CN202641656U CN202641656U CN 201220324284 CN201220324284U CN202641656U CN 202641656 U CN202641656 U CN 202641656U CN 201220324284 CN201220324284 CN 201220324284 CN 201220324284 U CN201220324284 U CN 201220324284U CN 202641656 U CN202641656 U CN 202641656U
- Authority
- CN
- China
- Prior art keywords
- support leg
- liner plate
- leg liner
- connecting panel
- plate body
- 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- Withdrawn - After Issue
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Abstract
The utility model provides a landing leg base plate. The landing leg base plate comprises a base plate body (10), and the base plate body (10) comprises a hollow structure which is located on a neutral layer. According to the landing leg base plate, the weight of the landing leg base plate can be reduced under the premise that the supporting strength of the landing leg base plate is not changed, and labor intensity is lowered.
Description
Technical field
The utility model relates to engineering machinery field, in particular to a kind of support leg liner plate.
Background technology
Along with the development of heavy-duty machinery, when heavy-duty machinery is worked, often require ground to provide larger supporting power in the face of supporting leg, the operation of the normal safety of guarantee heavy-duty machinery.In order to satisfy above-mentioned requirements, the heavy-duty machinery supporting leg generally is provided with auxiliary support mechanism, generally is between supporting leg and ground backing plate to be set, and supporting leg applies application force by backing plate to ground.Backing plate has larger Area of bearing, and the application force that supporting leg can be applied ground disperses, thereby reduces ground pressure, avoids ground (especially at non-hardened ground, such as the earth face) overload and sink, and causes heavy-duty machinery to work or causes safety misadventure.Under travelling position or other states, backing plate can be placed in place, so that delivery.Along with heavy engineering machinery constantly to the development of high weight class, the specification of supporting leg pad strengthens along with the growth of the tonnage of heavy engineering machinery and discharge capacity, its quality also increases greatly.
The present pump truck of overlength jib for example, the support leg liner plate of conventional size can't meet the demands, and newly-designed support leg liner plate quality increases greatly.The support leg liner plate that pump truck is used adopts the mode of a dead lift to be transported to control position usually, every support leg liner plate need to take off from pump truck, then transport several meters to tens meters far away, quality is larger, a dead lift intensity is higher, and when quality acquires a certain degree, the difficulty of carrying is very big, even can't carry, bring very large inconvenience for the movement of support leg liner plate.
The utility model content
The utility model aims to provide a kind of support leg liner plate, can alleviate the support leg liner plate quality in the situation that do not change the support leg liner plate support strength, reduces labour intensity.
To achieve these goals, according to an aspect of the present utility model, provide a kind of support leg liner plate, comprised the backing plate body, the backing plate body comprises the hollow structure that is positioned on the neutral line.
Further, the backing plate body comprises the frame that is arranged on periphery and is positioned at frame and is connected to connecting panel on the frame, and hollow structure is the chamber of the sealing that surrounds of adjacent connecting panel and frame.
Further, the backing plate body comprises the frame that is arranged on periphery and is positioned at frame and is connected to connecting panel on the frame, hollow structure is the chamber that adjacent connecting panel and frame surround, and the position that is positioned at neutral line at least one connecting panel offers the through hole that extends along the neutral line plane.
Further, the neutral line position of each sidewall of each chamber all offers through hole.
Further, hollow structure comprises and is positioned on the neutral line plane sealing chamber that extends to upper surface and/or the lower surface of backing plate body.
Further, the backing plate body also comprises the shrouding of the up and down both sides that are fixedly connected on connecting panel, and shrouding and frame surround the closed region, and connecting panel is positioned at the closed region.
Further, the backing plate body also comprises the upside that is fixedly connected on connecting panel or the shrouding of downside.
Further, connecting panel is the straight plate that a plurality of square crossings arrange.
Further, connecting panel comprise arc and with arc straight plate arranged in a crossed manner.
Further, the backing plate body is cylinder, square column or frustum.
Further, be filled with density in the hollow structure less than the weighting material of backing plate body.
Use the technical solution of the utility model, support leg liner plate comprises the backing plate body, and the backing plate body comprises the hollow structure that is positioned on the neutral line.By the neutral line at the backing plate body hollow structure is set, can be under the condition of the pressure load-carrying capacity that does not affect support leg liner plate, the quality that alleviates support leg liner plate as much as possible, effectively alleviate staff's labour intensity, increase the ease for use of support leg liner plate, save material, reduced cost.
Description of drawings
The accompanying drawing that consists of a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation according to the support leg liner plate of the first embodiment of the present utility model;
Fig. 2 shows the structural representation of looking up according to the support leg liner plate of the embodiment of Fig. 1;
Fig. 3 shows the sectional structure schematic diagram according to the support leg liner plate A-A place of the embodiment of Fig. 1;
Fig. 4 shows the sectional structure schematic diagram according to the support leg liner plate B-B place of the embodiment of Fig. 1;
Fig. 5 shows the structural representation according to the support leg liner plate of the second embodiment of the present utility model;
Fig. 6 shows the structural representation of looking up according to the support leg liner plate of the embodiment of Fig. 5;
Fig. 7 shows the sectional structure schematic diagram according to the support leg liner plate A-A place of the embodiment of Fig. 5;
Fig. 8 shows the sectional structure schematic diagram according to the support leg liner plate B-B place of the embodiment of Fig. 5;
Fig. 9 shows the structural representation according to the support leg liner plate of the 3rd embodiment of the present utility model;
Figure 10 shows the plan structure schematic diagram according to the support leg liner plate of the embodiment of Fig. 9;
Figure 11 shows the sectional structure schematic diagram according to the support leg liner plate A-A place of the embodiment of Fig. 9;
Figure 12 shows the sectional structure schematic diagram according to the support leg liner plate B-B place of the embodiment of Fig. 9;
Figure 13 shows the structural representation according to the support leg liner plate of the 4th embodiment of the present utility model;
Figure 14 shows the plan structure schematic diagram according to the support leg liner plate of the embodiment of Figure 13;
Figure 15 shows the sectional structure schematic diagram according to the support leg liner plate A-A place of the embodiment of Figure 13;
Figure 16 shows the sectional structure schematic diagram according to the support leg liner plate B-B place of the embodiment of Figure 13;
Figure 17 shows the structural representation according to the support leg liner plate of the 5th embodiment of the present utility model;
Figure 18 shows the plan structure schematic diagram according to the support leg liner plate of the embodiment of Figure 17;
Figure 19 shows the sectional structure schematic diagram according to the support leg liner plate A-A place of the embodiment of Figure 17;
Figure 20 shows the sectional structure schematic diagram according to the support leg liner plate B-B place of the embodiment of Figure 17;
Figure 21 shows the force structure schematic diagram of support leg liner plate; And
Figure 22 shows the force analysis schematic diagram according to the support leg liner plate of Figure 21.
The specific embodiment
Hereinafter also describe in conjunction with the embodiments the utility model in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.
As shown in Figures 1 to 4, according to the first embodiment of the present utility model, support leg liner plate comprises backing plate body 10 and is fixedly connected at least one handle 15 on the sidewall of backing plate body 10, includes the hollow structure that is positioned on the neutral line in the backing plate body 10.
The through hole 131 that extends along the neutral line plane also can be offered in the position that is positioned at neutral line at least one connecting panel 13, and the quantity of through hole 131 can be for a plurality of, further to alleviate the quality of support leg liner plate.In the middle of the present embodiment, the neutral line position of each sidewall of each chamber 11 all offers through hole 131, because 131 of through holes occupy and do not stress on the connecting panel 13 or stressed less a part of structure, therefore can not have influence on the structural strength of whole connecting panel 13, can be under the condition of the pressure load-carrying capacity that does not reduce support leg liner plate, farthest alleviate the quality of support leg liner plate, save the material of support leg liner plate, the labour intensity when alleviating the support leg liner plate transfer.Through hole 131 can be for square etc., and preferably, through hole 131 is circular, and be arranged on the middle part of each sidewall of each chamber 11.
The backing plate body 10 of the present embodiment is cube, and it can be square column.Frame 12 be positioned at backing plate body 10 around, in frame 12, be fixedly connected with the connecting panel 13 that a plurality of square crossings arrange, connecting panel 13 is straight plate.A plurality of connecting panels 13 and frame 12 match, and backing plate body 10 inside are evenly divided into a plurality of square capacitors 11.When being used for supporting role, connecting panel 13 and frame 12 form supporting leg together and support, and can guarantee the support strength at each position.
The bearing surface that is used for support leg at backing plate body 10 is provided with countersink, is used for putting into supporting leg, and supporting leg is carried out spacing, prevents that supporting leg from deviating from support leg liner plate in the course of the work, causes the accident.Countersink for example is the circular counter bore 16 on the supporting leg bearing surface that is arranged on backing plate body 10.
At least one side of support leg liner plate can also arrange shrouding 14, form the structure of an opening of a face closure, the side that shrouding 14 is set can be selected modes of emplacement according to practical situations, such as in the softer zone of the soil properties such as marsh, the side that shrouding 14 is set is supported on the ground, make a side of opening be used for the carrying supporting leg, to increase the load area of support leg liner plate, prevent that support leg liner plate from sinking.And in the harder zone of soil property, then the side that shrouding 14 is set can be arranged on the support-side of supporting leg, and at shrouding 14 counterbore 16 is set, in order to supporting leg is realized better supporting role.
The support leg liner plate of the present embodiment also can all arrange shrouding 14 in both sides, make shrouding 14 and frame 12 surround the closed region, and connecting panel 13 is positioned at this closed region.So, then can counterbore 16 be set at the shrouding 14 of support leg, in order to carry out spacing to supporting leg.This kind support leg liner plate is applicable to various ground condition, can obtain preferably support performance.
In the hollow structure of backing plate body 10, can be vacant, also can fill less than the material of backing plate body 10 with density, specifically can determine according to production technology.
The corner of each chamber 11 of hollow structure all can arrange fillet or chamfering, to prevent that backing plate body 10 from stress occurring and concentrating, improves the supporting capacity of backing plate body 10.
The backing plate body 10 of support leg liner plate can adopt the uniform thickness plate body, also can adopt the not plate body of uniform thickness, in the present embodiment, employing be the uniform thickness plate body.
In conjunction with extremely shown in Figure 8 referring to Fig. 5, support leg liner plate according to the second embodiment of the present utility model, the support leg liner plate of itself and the first embodiment is basic identical, difference is, in the middle of the present embodiment, the connecting panel 13 of support leg liner plate comprises that the annular arrangement connecting panel and the end that are arranged on backing plate body 10 middle parts are connected on the annular arrangement connecting panel, and the other end is fixedly connected on a plurality of direct-connected fishplate bar on the frame 12, and direct-connected fishplate bar evenly arranges along the periphery wall of annular arrangement connecting panel.
In conjunction with extremely shown in Figure 12 referring to Fig. 9, support leg liner plate according to the 3rd embodiment of the present utility model, the support leg liner plate of itself and the second embodiment is basic identical, difference is, the connecting panel 13 of the support leg liner plate of the present embodiment, also be provided with second annular arrangement connecting panel in annular arrangement connecting panel and the position between the frame 12 at the center, second annular arrangement connecting panel is concentric with the annular arrangement connecting panel at center, and and intersect between the direct-connected fishplate bar, can further improve the support performance of support leg liner plate.
In conjunction with extremely shown in Figure 16 referring to Figure 13, according to the support leg liner plate of the 4th embodiment of the present utility model, the support leg liner plate of itself and the 3rd embodiment is basic identical, and difference is, the frame 12 of the support leg liner plate of the present embodiment is circular, and the final support leg liner plate that forms is cylindrical.
In conjunction with referring to Figure 17 to shown in Figure 20, according to the support leg liner plate of the 5th embodiment of the present utility model, the support leg liner plate of itself and the first embodiment is basic identical, difference is, the support leg liner plate of the present embodiment is square frustum structure.Certainly, support leg liner plate also can be circular or polygonal frustum structure.
In a unshowned embodiment, hollow structure also can for heart layer plane therefrom to the blind hole that upper surface and/or the lower surface of backing plate body 10 extends, namely extend upper surface and lower surface that blind hole does not run through backing plate body 10.Preferably, the development length of this blind hole is advisable with the integrated support intensity of excessive influence backing plate supporting leg not.
In conjunction with referring to Figure 21 and shown in Figure 22, when the operation of support leg liner plate support leg, support leg liner plate mainly bears pressure, upper surface D
1Apply downward pressure by supporting leg, lower surface D
2Upward pressure by bearing surfaces such as ground provides support reaction.Because upper surface D
1Application of force scope is than lower surface D
2Little, so support leg liner plate produces certain bending moment force, upper surface D
1Compression chord, lower surface D
2Tension stress is stressed less the closer to neutral surface H institute.If support leg liner plate only bears downward pressure, adopt connecting panel 13 just can play good supporting role, and for the carrying with bending moment force, near the effect of bending moment force neutral surface H is very little, even therefore near the material the centering face H is processed, make not stress or stressed very little part formation hollow structure, also can not affect the pressure load-carrying capacity of whole backing plate supporting leg.The utility model formally utilizes above-mentioned principle that support leg liner plate has been made improvement.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect: support leg liner plate comprises the backing plate body, and the backing plate body comprises the hollow structure that is positioned on the neutral line.By the neutral line at the backing plate body hollow structure is set, can be under the condition of the pressure load-carrying capacity that does not affect support leg liner plate, the quality that alleviates support leg liner plate as much as possible, effectively alleviate staff's labour intensity, increase the ease for use of support leg liner plate, save material, reduced cost.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (11)
1. a support leg liner plate is characterized in that, comprises backing plate body (10), and described backing plate body (10) comprises the hollow structure that is positioned on the neutral line.
2. support leg liner plate according to claim 1, it is characterized in that, described backing plate body (10) comprises the frame (12) that is arranged on periphery and is positioned at described frame (12) and is connected to connecting panel (13) on the described frame (12), and described hollow structure is the chamber (11) of the sealing that surrounds of adjacent described connecting panel (13) and described frame (12).
3. support leg liner plate according to claim 1, it is characterized in that, described backing plate body (10) comprises the frame (12) that is arranged on periphery and is positioned at described frame (12) and is connected to connecting panel (13) on the described frame (12), described hollow structure is the chamber (11) that adjacent described connecting panel (13) and described frame (12) surround, and the position that is positioned at described neutral line at least one described connecting panel (13) offers the through hole (131) that extends along described neutral line plane.
4. support leg liner plate according to claim 3 is characterized in that, the neutral line position of each sidewall of each described chamber (11) all offers described through hole (131).
5. support leg liner plate according to claim 1 is characterized in that, described hollow structure comprises and is positioned on the described neutral line plane sealing chamber that extends to upper surface and/or the lower surface of described backing plate body (10).
6. according to claim 3 or 4 described support leg liner plates, it is characterized in that, described backing plate body (10) also comprises the shrouding (14) of the up and down both sides that are fixedly connected on described connecting panel (13), described shrouding (14) surrounds the closed region with described frame (12), and described connecting panel (13) is positioned at described closed region.
7. according to claim 3 or 4 described support leg liner plates, it is characterized in that, described backing plate body (10) also comprises the upside that is fixedly connected on described connecting panel (13) or the shrouding (14) of downside.
8. each described support leg liner plate in 4 according to claim 2 is characterized in that, described connecting panel (13) is the straight plate that a plurality of square crossings arrange.
9. each described support leg liner plate in 4 according to claim 2 is characterized in that, described connecting panel (13) comprise arc and with described arc straight plate arranged in a crossed manner.
10. each described support leg liner plate in 5 according to claim 1 is characterized in that, described backing plate body (10) is cylinder, square column or frustum.
11. each described support leg liner plate in 5 is characterized in that according to claim 1, is filled with density in the described hollow structure less than the weighting material of described backing plate body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324284 CN202641656U (en) | 2012-07-05 | 2012-07-05 | Landing leg base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324284 CN202641656U (en) | 2012-07-05 | 2012-07-05 | Landing leg base plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641656U true CN202641656U (en) | 2013-01-02 |
Family
ID=47410807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324284 Withdrawn - After Issue CN202641656U (en) | 2012-07-05 | 2012-07-05 | Landing leg base plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717780A (en) * | 2012-07-05 | 2012-10-10 | 中联重科股份有限公司 | Supporting leg base plate |
-
2012
- 2012-07-05 CN CN 201220324284 patent/CN202641656U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717780A (en) * | 2012-07-05 | 2012-10-10 | 中联重科股份有限公司 | Supporting leg base plate |
| CN102717780B (en) * | 2012-07-05 | 2015-06-17 | 中联重科股份有限公司 | Supporting leg base plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20150617 |
|
| RGAV | Abandon patent right to avoid regrant |