CN203496866U - Support device and engineering vehicle - Google Patents
Support device and engineering vehicle Download PDFInfo
- Publication number
- CN203496866U CN203496866U CN201320569841.5U CN201320569841U CN203496866U CN 203496866 U CN203496866 U CN 203496866U CN 201320569841 U CN201320569841 U CN 201320569841U CN 203496866 U CN203496866 U CN 203496866U
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- Prior art keywords
- support
- bracing
- strutting arrangement
- cylinder
- supporting leg
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Abstract
The utility model relates to the technical field of an engineering vehicle with a support device, and discloses a support device and an engineering vehicle. The support device includes a plurality of support legs connected with a vehicle body, and a support oil cylinder arranged at one end, far away from the vehicle body, of each support leg, each support leg includes an upper cover plate, a lower cover plate, and a side plate connecting the upper cover plate and the lower cover plate, and the support oil cylinder body is fixedly connected with the lower cover plate, and the upper cover plate and/or the side plate. The support oil cylinder body has at least two parts fixedly connected with each support leg, so that when the support device is subjected to horizontal component force, the at least two connecting parts supply support forces to the support oil cylinder at the same time. Therefore, the force bearing condition of the support device during work is improved, and the support strength and the safety of the support device are improved.
Description
Technical field
The utility model relates to the technical field of the engineering truck with bracing or strutting arrangement, refers more particularly to a kind of bracing or strutting arrangement and engineering truck.
Background technology
Some engineering trucks of construction trade, when work, need to adopt supporting leg to support, as: hoisting crane, pump truck etc.Take pump truck as example, and as depicted in figs. 1 and 2, Fig. 1 is the structural representation of bracing or strutting arrangement in prior art, the part sectional view that Fig. 2 is Fig. 1.Bracing or strutting arrangement of the prior art comprises: a plurality of supporting legs 10 that are connected with pump truck car body, and be arranged at each supporting leg 10 away from the support cylinder 20 of car body one end, support cylinder 20 cylinder bodies are fixedly connected with supporting leg 10, in the lump with reference to figure 3, Fig. 3 is the A-A place cutaway view of Fig. 2, support cylinder 20 cylinder bodies are provided with supporting leg connecting panel, supporting leg 10 is provided with oil cylinder connecting panel, two connecting panels are bolted to connection, in addition, bracing or strutting arrangement also comprises the supporting seat 30 with piston rod 21 swivel couplings of support cylinder 20, concrete, the top of support cylinder 20 piston rods 21 is provided with spherical piston head 22, the base 31 of supporting seat 30 is provided with the hemispherical groove 32 that supports spherical piston head 22, the baffle plate 34 of supporting seat 30 is set on piston rod 21 and with base 31 and is fixedly connected with.In working order, pump truck supporting leg 10 stretches out, the piston rod of support cylinder 20 21 stretches out, and supports on the ground by the supporting seat 30 of piston rod 21 top swivel couplings, makes car load keep balance.Due to supporting seat 30 and piston rod 21 swivel couplings, therefore in uneven bottom surface, also can make car load keep balance and stability.Under off working state, the supporting leg 10 of pump truck is regained, the piston rod 21 of support cylinder 20 also bounces back liftoff.
As shown in Figure 4 and Figure 5, Fig. 4 is the force analysis figure of bracing or strutting arrangement in prior art, and Fig. 5 is the force diagram on support cylinder 20 piston rod 21 tops in prior art.As shown in Figure 5, bracing or strutting arrangement is when work, support cylinder 20 is subject to power and a horizontal component of force of a vertical direction, known by parts force analysis, horizontal component of force is given the shearing force of bolt that connects supporting leg 10 and support cylinder 20, when this shearing force is excessive, easily pull out or cut off bolt, thereby cause the inefficacy of bracing or strutting arrangement, have larger potential safety hazard.As shown in Figure 5, when bracing or strutting arrangement is worked, the spherical piston head 22 of piston rod 21 contacts with the bottom of the hemispherical groove 32 of supporting seat 30, thereby cause the stress amplitude ratio of spherical piston head 22 and supporting seat 30 more concentrated, cause the 22 generation deformation of spherical piston head or 30 of supporting seats to become cracking, and then bracing or strutting arrangement cannot normally be worked.
Utility model content
The purpose of this utility model has been to provide a kind of bracing or strutting arrangement and engineering truck that can improve bracing or strutting arrangement safety performance.
The utility model provides a kind of bracing or strutting arrangement, comprise a plurality of supporting legs that are connected with car body, and be arranged at each supporting leg away from the support cylinder of car body one end, wherein, described supporting leg comprises upper cover plate, lower cover and the side plate that connects described upper cover plate and described lower cover, and described support cylinder cylinder body is fixedly connected with described lower cover and described upper cover plate and/or side plate respectively.
In technique scheme, support cylinder cylinder body has at least two places to be fixedly connected with supporting leg, thereby when bracing or strutting arrangement is subject to horizontal component of force, by at least two connecting portions, to support cylinder, provide support power simultaneously, improved the stressing conditions of bracing or strutting arrangement when work, thus the support strength and the safety that have improved bracing or strutting arrangement.
Preferably, described support cylinder cylinder body is fixedly installed the first supporting leg connecting panel, and described lower cover is provided with the first oil cylinder connecting panel being bolted to connection with described the first supporting leg connecting panel.Supporting leg with bolts and support cylinder cylinder body, facilitated the Assembly &Disassembly of support cylinder, guarantees that support cylinder can firmly be connected with supporting leg simultaneously.
Preferably, described support cylinder cylinder body is also fixedly installed the second supporting leg connecting panel, and described upper cover plate is fixedly installed the second oil cylinder connecting panel being bolted to connection with described the second supporting leg connecting panel.Supporting leg with bolts and support cylinder cylinder body, facilitate the Assembly &Disassembly of support cylinder, guaranteed that support cylinder can firmly be connected with supporting leg simultaneously.
Preferably, described supporting leg is provided with cylinder body stop collar, and described support cylinder cylinder body is set in described cylinder body stop collar away from one end of piston rod.Adopt cylinder body stop collar to come supported cylinder block away from one end of piston rod, facilitate the installation of support cylinder, concrete:
Selectable, described cylinder body stop collar is fixedly installed on described upper cover plate.
Selectable, described cylinder body stop collar is fixedly installed on described side plate.
Preferably, described bracing or strutting arrangement also comprises and the supporting seat of the piston rod swivel coupling of described support cylinder, and described supporting seat comprises base, and described base has the hemispherical groove of the spherical piston head on suit described piston rod top; And the baffle plate that is set in described piston rod and is fixedly connected with described base; Wherein, the cell wall of described hemispherical groove is provided with a plurality of support levels that support described spherical piston head.By support level, support spherical piston head, increased the strong point between supporting base and ball-type piston head, improved the stressing conditions of supporting seat and spherical piston head, increased the safety in use of whole bracing or strutting arrangement.
Preferably, the contact surface of described support level and described spherical piston head is arcwall face.Contact surface adopts arcwall face to guarantee that supporting seat contacts and provide support power what rotate that rear support step still can be good with spherical piston head.
Preferably, described support level is horizontally placed on the cell wall of described hemispherical groove.Make support level stressed evenly, avoided support level local pressure excessive and cause damage, improved the support strength of supporting seat.
The utility model also provides a kind of engineering truck, comprises above-mentioned any bracing or strutting arrangement.When work, its bracing or strutting arrangement has higher safety performance, guarantees the construction that engineering truck can be safe.
Accompanying drawing explanation
Fig. 1 is the structural representation of bracing or strutting arrangement in prior art;
Fig. 2 is the part sectional view of Fig. 1;
Fig. 3 is the cutaway view at A-A place in Fig. 2;
Fig. 4 is the force analysis figure of bracing or strutting arrangement in prior art;
Fig. 5 is the force diagram on support cylinder piston rod top in prior art;
The structural representation of the bracing or strutting arrangement that Fig. 6 provides for the utility model embodiment;
Another structural representation of the bracing or strutting arrangement that Fig. 7 provides for the utility model embodiment;
Fig. 8 is the cutaway view at B-B place in Fig. 7;
Another structural representation of the bracing or strutting arrangement that Fig. 9 provides for the utility model embodiment;
The structural representation of the base with support level that Figure 10 provides for the utility model embodiment.
Reference numeral:
10-supporting leg 11-upper cover plate 12-side plate
13-lower cover 14-cylinder body stop collar 15-the first oil cylinder connecting panel
16-the second oil cylinder connecting panel 20-support cylinder 21-piston rod
22-spherical piston head 23-first supporting leg connecting panel 24-the second supporting leg connecting panel
30-supporting seat 31-base 32-hemispherical groove
33-support level 34-baffle plate
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
The utility model embodiment provides a kind of engineering truck, and this project vehicle is the vehicle that hoisting crane or pump truck etc. have bracing or strutting arrangement.
The pump truck of take below describes bracing or strutting arrangement in detail as example.
Fig. 6 shows the bracing or strutting arrangement in some embodiment of the utility model.Bracing or strutting arrangement shown in Fig. 6 comprises a plurality of supporting legs 10 that are connected with pump truck car body, the number of general supporting leg 10 is 4, wherein each supporting leg 10 is provided with support cylinder 20 away from one end of car body, concrete, supporting leg comprises upper cover plate 11, lower cover 13 and the side plate 12 that connects described upper cover plate 11 and described lower cover 13, and described support cylinder 20 cylinder bodies are fixedly connected with described lower cover 13 and described upper cover plate 11 and/or side plate 12 respectively.
At least two strong points that provide by supporting leg 10 provide the bearing force of horizontal direction to support support cylinder 20, having improved the bearing force of support cylinder 20 when being subject to horizontal component of force distributes, reduce the force intensity that is subject to of each strong point, thereby improved support strength and the job security of bracing or strutting arrangement when work.
Wherein the upper cover plate 11 of supporting leg 10, side plate 12 and lower cover 13 can be structure as a whole.
Continuation is with reference to figure 6, support cylinder 20 cylinder bodies are wherein specially with being fixedly connected with of lower cover 13: support cylinder 20 cylinder bodies are fixedly installed the first supporting leg connecting panel 23, on the lower cover 13 of supporting leg 10, be fixedly installed the first oil cylinder connecting panel 15, the first supporting leg connecting panel 23 is fixedly connected with by a plurality of bolts with the first oil cylinder connecting panel 15, and the number of general staybolt is 4.Guaranteed that two stay bearing plates are fixedly connected with intensity.
The concrete structure that support cylinder 20 cylinder bodies are connected with supporting leg 10 away from one end of piston rod can be realized in different ways.Below in conjunction with accompanying drawing, further describe.
Continuation is with reference to figure 6, and Fig. 6 shows a kind of mode that is fixedly connected with of supporting leg 10 and support cylinder 20 cylinder bodies.Concrete, support cylinder 20 cylinder bodies are fixed with the second supporting leg connecting panel 24 away from one end of piston rod, the upper cover plate 11 of supporting leg 10 has also been fixedly installed the second oil cylinder connecting panel 16, the second supporting leg connecting panels 24 and has been fixedly connected with the second oil cylinder connecting panel 16 by a plurality of bolts.When bracing or strutting arrangement is subject to horizontal component of force, the bolt that connects the first oil cylinder connecting panel 15 and the first supporting leg connecting panel 23 and the bolt that is connected the second oil cylinder connecting panel 16 and the second supporting leg connecting panel 24 provide the bearing force with horizontal component of force opposite direction simultaneously, thereby reduced the shearing force that each bolt is subject to, improve the stressing conditions between supporting leg 10 and support cylinder 20, improved the safety of whole bracing or strutting arrangement when work.
The second supporting leg connecting panel 24 wherein can be fixed on by modes such as welding, bolt connections the top of support cylinder 20 cylinder bodies.Preferably, the second supporting leg connecting panel 24 is one-body molded with support cylinder 20 cylinder bodies, thereby has guaranteed the Joint strenght between support cylinder 20 cylinder bodies and the second supporting leg 10.
In addition, supporting leg 10 can also adopt cylinder body stop collar 14 to be fixedly connected with support cylinder 20 cylinder bodies, and concrete structure is as follows:
Fig. 7 shows the structure of the cylinder body stop collar 14 in some embodiment, the upper cover plate 11 of supporting leg 10 has been fixedly installed a cylinder body stop collar 14 that is set in support cylinder 20 tops, in the lump with reference to figure 8, Fig. 8 is the cutaway view at B-B place in Fig. 7, from Fig. 8, can find out intuitively, cylinder body stop collar 14 is tightly placed in the outside of cylinder body, and the sidewall of cylinder body stop collar 14 provides support power to support cylinder 20, and has limited support cylinder 20 movement in the horizontal direction.When bracing or strutting arrangement is subject to horizontal component of force, a plurality of bolts at the first supporting leg connecting panel 23 places and fixed pedestal oil cylinder 20 provide the bearing force with horizontal component of force opposite direction to support cylinder 20 away from the cylinder body stop collar 14 of one end of piston rod simultaneously, thereby reduced the shearing force that bolt is subject to, improve the horizontal component of force ability to bear of whole bracing or strutting arrangement, and then improved the safety that bracing or strutting arrangement uses.
Fig. 9 shows the structure that cylinder body stop collar 14 in other embodiment is set in support cylinder 20.Now, cylinder body stop collar 14 is arranged on the side plate 12 of supporting leg 10, and is sleeved on support cylinder 20 cylinder bodies, and its principle of work is identical with the principle of work of the cylinder body stop collar 14 shown in Fig. 5, at this, does not just repeat one by one.
In addition, for the connection mode between cylinder body stop collar 14 and supporting leg 10, can adopt the connection modes such as common welding, bolt connection, in addition, cylinder body stop collar 14 can also adopt one-body molded with supporting leg 10, when producing supporting leg 10, cylinder body stop collar 14 cast and formed together with supporting leg 10, guaranteed the Joint strenght between cylinder body stop collar 14 and supporting leg 10, and then the safety while having improved the support strength of whole bracing or strutting arrangement and support.
The bracing or strutting arrangement that the utility model embodiment provides is except having reinforced the Joint strenght between support cylinder 20 and supporting leg 10, also improved the stressing conditions of supporting seat 30 and support cylinder 20 pipe links, further to improve the safety of whole bracing or strutting arrangement when working.
Figure 10 illustrates the structural representation of the base 31 of supporting seat 30.Between support cylinder 20 and supporting seat 30, adopt the mode of swivel coupling to be connected, in the lump with reference to figure 9, the top of support cylinder 20 piston rods 21 has spherical piston head 22, the hemispherical groove 32 on the base 31 of supporting seat with suit spherical piston head 22, the baffle plate 34 of supporting seat 30 is sleeved on piston rod 21, and be fixedly connected with base 31 by bolt, so that spherical piston head 22 is limited in the cavity between base 31 and baffle plate 34, and make it can freely rotating along certain angle.Wherein, on the cell wall of hemispherical groove 32, be provided with a plurality of support levels 33 that support spherical piston head 22.When bracing or strutting arrangement is worked, domed piston head 22 is supported in the bottom of support level 33 and hemispherical groove 32 simultaneously, makes the original simple single-point stressing conditions by hemispherical groove 32 bottom support spherical piston heads 22 into multiple spot stressed.The support level 33 increasing has disperseed the pressure from spherical piston head 22, thereby improved the stressing conditions between supporting seat 30 and spherical piston head 22, improve the support strength of supporting seat 30, avoided supporting seat 30 crackings and the spherical piston head 22 that because pressure is excessive, cause that deformation occurs.
Continuation is with reference to Figure 10, the support level 33 being arranged on hemispherical groove 32 cell walls is horizontally disposed with, the pressure bearing with the part of ball-type piston head 22 contacts with assurance support level 33 is identical, avoided local support step 33 due to stressed excessive and damaged, simultaneously, support level 33 is preferably arcwall face with the contact surface of spherical piston head 22, make can be good between spherical piston head 22 and support level 33 contact.In addition, support level 33 is one-body molded with base 31, has improved the support strength of support level 33.Meanwhile, when support level 33 is arc support level, while having avoided upper producing, cause the stress of the transitional region between support level 33 and cell wall to concentrate, further improved the support strength of support level 33.
Several fixed connection structures of support cylinder 20 with supporting leg 10 in above-described embodiment, have been provided, but should be understood that the structure of above-mentioned two strong points that provide is provided the utility model, also comprise the structure with three strong points and the more strong points, its principle is identical with the principle of two strong points of above-mentioned employing, and this is no longer going to repeat them.The engineering truck that the present embodiment provides adopts above-mentioned bracing or strutting arrangement, and therefore, engineering truck has higher safety performance when construction.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (10)
1. a bracing or strutting arrangement, comprise a plurality of supporting legs that are connected with car body, and be arranged at each supporting leg away from the support cylinder of car body one end, it is characterized in that, described supporting leg comprises upper cover plate, lower cover and the side plate that connects described upper cover plate and described lower cover, and described support cylinder cylinder body is fixedly connected with described lower cover and described upper cover plate and/or side plate respectively.
2. bracing or strutting arrangement as claimed in claim 1, is characterized in that, described support cylinder cylinder body is fixedly installed the first supporting leg connecting panel, and described lower cover is provided with the first oil cylinder connecting panel being bolted to connection with described the first supporting leg connecting panel.
3. the bracing or strutting arrangement as described in claim 2, it is characterized in that, described support cylinder cylinder body is also fixedly installed the second supporting leg connecting panel, and described upper cover plate is fixedly installed the second oil cylinder connecting panel being bolted to connection with described the second supporting leg connecting panel.
4. bracing or strutting arrangement as claimed in claim 2, is characterized in that, described supporting leg is provided with cylinder body stop collar, and described support cylinder cylinder body is set in described cylinder body stop collar away from one end of piston rod.
5. bracing or strutting arrangement as claimed in claim 4, is characterized in that, described cylinder body stop collar is fixedly installed on described upper cover plate.
6. bracing or strutting arrangement as claimed in claim 4, is characterized in that, described cylinder body stop collar is fixedly installed on described side plate.
7. the bracing or strutting arrangement as described in claim 1～6 any one, it is characterized in that, also comprise and the supporting seat of the piston rod swivel coupling of described support cylinder, described supporting seat comprises base, and described base has the hemispherical groove of the spherical piston head on suit described piston rod top; And the baffle plate that is set in described piston rod and is fixedly connected with described base; Wherein, the cell wall of described hemispherical groove is provided with a plurality of support levels that support described spherical piston head.
8. bracing or strutting arrangement as claimed in claim 7, is characterized in that, the contact surface of described support level and described spherical piston head is arcwall face.
9. bracing or strutting arrangement as claimed in claim 8, is characterized in that, described support level is horizontally placed on the cell wall of described hemispherical groove.
10. an engineering truck, is characterized in that, comprises the bracing or strutting arrangement as described in claim 1～9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569841.5U CN203496866U (en) | 2013-09-13 | 2013-09-13 | Support device and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569841.5U CN203496866U (en) | 2013-09-13 | 2013-09-13 | Support device and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203496866U true CN203496866U (en) | 2014-03-26 |
Family
ID=50327865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320569841.5U Expired - Fee Related CN203496866U (en) | 2013-09-13 | 2013-09-13 | Support device and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203496866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359499A (en) * | 2014-10-31 | 2015-02-18 | 沈阳紫微机电设备有限公司 | Movable-laboratory experimental platform capable of being separated from vehicle body |
| CN107933524A (en) * | 2017-11-23 | 2018-04-20 | 北京特种机械研究所 | A kind of adaptive supporting mechanism of mobile platform |
| CN108146407A (en) * | 2017-11-23 | 2018-06-12 | 北京特种机械研究所 | A kind of mobile platform of the adaptive supporting mechanism of band |
-
2013
- 2013-09-13 CN CN201320569841.5U patent/CN203496866U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359499A (en) * | 2014-10-31 | 2015-02-18 | 沈阳紫微机电设备有限公司 | Movable-laboratory experimental platform capable of being separated from vehicle body |
| CN104359499B (en) * | 2014-10-31 | 2016-10-05 | 沈阳紫微机电设备有限公司 | Mobile laboratory's car body separating experiment platform |
| CN107933524A (en) * | 2017-11-23 | 2018-04-20 | 北京特种机械研究所 | A kind of adaptive supporting mechanism of mobile platform |
| CN108146407A (en) * | 2017-11-23 | 2018-06-12 | 北京特种机械研究所 | A kind of mobile platform of the adaptive supporting mechanism of band |
| CN107933524B (en) * | 2017-11-23 | 2019-10-11 | 北京特种机械研究所 | A kind of adaptive supporting mechanism of mobile platform |
| CN108146407B (en) * | 2017-11-23 | 2019-10-25 | 北京特种机械研究所 | A kind of mobile platform of the adaptive supporting mechanism of band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20160913 |
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| CF01 | Termination of patent right due to non-payment of annual fee |