CN202345496U - Concrete pump truck - Google Patents
Concrete pump truck Download PDFInfo
- Publication number
- CN202345496U CN202345496U CN2011205307249U CN201120530724U CN202345496U CN 202345496 U CN202345496 U CN 202345496U CN 2011205307249 U CN2011205307249 U CN 2011205307249U CN 201120530724 U CN201120530724 U CN 201120530724U CN 202345496 U CN202345496 U CN 202345496U
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- chassis
- pump truck
- chute
- slide rail
- concrete pump
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Abstract
The utility model discloses a concrete pump truck, which comprises a chassis and a top, wherein the top is arranged on the chassis; and one of the top and the chassis is provided with a first track, and the other end of the top and the chassis operates along the first track, so that the top translates relative to the chassis. According to the concrete pump truck provided by the utility model, since the track is arranged, and the chassis and the top can relatively move, the chassis can be used as counter weight to flexibly adjust the center of gravity of the pump truck; the area of a required supporting surface is reduced after the center of gravity is adjusted, so that the length of the extended part of a supporting leg of the pump truck can be effectively reduced, the space of a construction site occupied by the supporting leg is reduced, or the truck body is prevented from turning over under the condition that the length of the supporting leg of the pump truck is insufficient; and since the length of the supporting leg of the pump truck can be shortened, the production cost can be lowered and the weight of the entire truck can be reduced.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of concrete pump truck.
Background technology
Concrete pump truck comprises chassis and last dress, and last dress comprises fixedly capstan head and boom system.Fixedly capstan head is fixed on the chassis, and fixedly the side of capstan head is used to connect supporting leg, and fixedly the top of capstan head is provided with swing type mechanism, and boom system is located on the turntable, and swing type mechanism drives turntable with respect to fixing turret rotated, and then the drive jib rotates with respect to the chassis.
During the concrete pump truck operation, main dependence is located at fixedly that the supporting leg at capstan head place is supported in ground, and the strong point line of supporting leg forms the bearing surface of concrete pump truck, and the center of gravity of car body is positioned at this bearing surface, can guarantee that car body is in to stablize not rollover conditions.Long when jib, when speed of revolutions is very fast; Big (the center of gravity of center of gravity when jib does not stretch out of the barycenter trajectory radius of circle of pump truck; Side-play amount is bigger), can satisfy the demand of stable support in order to guarantee bearing surface, the pump truck supporting leg often need stretch out long distance; To enlarge the bearing surface area, guarantee that the out-of-position center of gravity still can fall within the bearing surface.
Yet the pump truck supporting leg stretches out long distance must occupy bigger place, and under the condition of limited, the supporting leg of pump truck can't stretch out according to steady demand on construction ground, can't satisfy the durability requirements of car body.In addition, because stability depends on the length of supporting leg to a certain extent,, increased the weight and the production cost of car body so need process long supporting leg.
In view of this, how improving the structure of concrete pump truck, when making it guarantee stability, reduce the length that supporting leg stretches out, is those skilled in the art's technical issues that need to address.
The utility model content
The purpose of the utility model is for providing a kind of concrete pump truck; Be provided with track between dress and the chassis on this pump truck, when the jib of pump truck launches, according to jib expansion direction and length; Last dress and chassis can be moved along track relatively; Make the chassis can be used as counterweight, strengthen car body stability, reduce the length that the pump truck supporting leg stretches out to regulate the center of gravity of pump truck.
For reaching the purpose of the utility model; The utility model provides a kind of concrete pump truck; Comprise chassis and last dress, the said dress of going up is installed on the said chassis, said go up dress and said chassis the two one of be provided with first track; Another person does translation so that pretend on said for said chassis along said first orbital motion.
Preferably, also comprise first actuating device, said first actuating device is used to drive said chassis and the said dress of going up is done operation relatively along said first track.
Preferably, said first track is vertical slide rail of being located on the girder on said chassis and extending along said girder length direction; The said auxiliary girder of going up dress is provided with the vertical chute that is stuck in said vertical slide rail.
Preferably, be fixed with horizontal slide rail on said vertical chute, the bottom of said auxiliary girder is fixed with horizontal concrete chute; Said first actuating device comprises first drive element and second drive element; Said first drive element drives said vertical chute and slides along said vertical slide rail, and said second drive element drives said horizontal concrete chute and slides along said horizontal slide rail.
Preferably, said first drive element and said second drive element are respectively first telescopic oil cylinder and second telescopic oil cylinder; Be equipped with said vertical slide rail on the two said girders; Be provided with horizontal tie-beam between two said vertical slide rails; Be provided with horizontal beam between two said vertical chutes that two said vertical slide rails cooperate, an end of said first telescopic oil cylinder connects said horizontal beam, the other end connects said tie-beam; Have the said horizontal concrete chute that laterally arranges, have the vertical beam of putting between the said horizontal concrete chute, an end of said second telescopic oil cylinder connects said indulging and puts beam, and the other end connects a said vertical chute.
Preferably, said chassis also is provided with first blocking device, and said first blocking device is locked in said auxiliary girder in the desired location on said chassis.
Preferably, the pumparound of concrete pump truck is located on the said chassis.
Preferably, the said swing type mechanism of going up dress is fixed on the fixedly capstan head of concrete pump truck, said fixedly capstan head and said swing type mechanism the two one of be provided with second track, another person is along said second orbital motion.
Preferably, said second track is the slide rail of being located on the said fixedly capstan head, and said swing type mechanism has the chute that is stuck in said slide rail, also comprises driving said second actuating device of said chute along said slide rail operation.
Preferably; Has the said slide rail that laterally arranges on the said fixedly capstan head; The bottom of said swing type mechanism has the cooresponding said chute that laterally arranges, and is provided with crossbeam between the said chute, and said second actuating device is a telescopic oil cylinder; One end of said telescopic oil cylinder is connected in said crossbeam, and the other end is connected with said fixedly capstan head; And said fixedly capstan head is provided with second blocking device, and said second blocking device is locked in said swing type mechanism in the desired location of said fixedly capstan head.
The concrete pump truck that the utility model provides; Between last dress and chassis, be provided with track, when then jib launches, can be according to the expansion direction and the length of jib; Drive the chassis with respect to last shipment row; Promptly make the chassis can be used as the counterweight use, thereby adjust the center of gravity of pump truck flexibly, to increase stability.After the center of gravity adjustment; The barycenter trajectory radius of circle of pump truck reduces, and required bearing surface area reduces, and then can effectively reduce the length that the pump truck supporting leg stretches out; Thereby reduce the space, building site that supporting leg takies; Make pump truck can be applicable to the workyard that the space is narrow and small, or under the situation of pump truck supporting leg curtailment, avoid car body to tumble; And,, thereby can reduce production costs and reduce the weight of car load owing to a leg length of pump truck can shorten.
Description of drawings
Fig. 1 is the structural representation that the utility model provides a kind of specific embodiment of concrete pump truck, this not shown jib;
Fig. 2 is the local enlarged diagram in A position among Fig. 1;
Fig. 3 is for being provided with the structural representation of track on the chassis among Fig. 1;
Fig. 4 is the local enlarged diagram in B position among Fig. 3;
Fig. 5 is the local enlarged diagram in C position among Fig. 3;
Fig. 6 is vertically a slide rail and the vertically cross sectional representation of chute cooperation among Fig. 3;
Fig. 7 is the structural representation that boom system launches towards the car body rear among Fig. 1;
Fig. 8 is the structural representation of concrete pump truck that the utility model the provides another kind specific embodiment, and this figure omits chassis and the fixing track between the capstan head;
Fig. 9 is the fixing birds-eye view of capstan head among Fig. 8;
Figure 10 is the structural representation that fixedly slide rail and swing type mechanism upper hopper chute cooperate on the capstan head among Fig. 9;
Figure 11 is the upward view of Figure 10;
The structural representation that Figure 12 stretches out forward for jib among Fig. 9.
The specific embodiment
The core of the utility model is for providing a kind of concrete pump truck; This pump truck chassis and fixedly be provided with track between the capstan head is when the jib of pump truck launches, according to jib expansion direction and length; Fixedly capstan head and chassis can be moved along track relatively; Feasible upward dress or chassis can be used as counterweight to regulate the center of gravity of pump truck, and it is stable to strengthen car body, the length that minimizing pump truck supporting leg stretches out.
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 1 to Fig. 4, Fig. 1 is the structural representation that the utility model provides a kind of specific embodiment of concrete pump truck, and this schemes not shown jib; Fig. 2 is the local enlarged diagram in A position among Fig. 1; Fig. 3 is for being provided with the structural representation of track on the chassis among Fig. 1; Fig. 4 is the local enlarged diagram in B position among Fig. 3.
Concrete pump truck in this embodiment has chassis 20, boom system, and is located at the centre part between chassis 20 and the boom system.Chassis 20 generally has girder, and girder is main load larrying member; Centre part among this embodiment comprises fixedly capstan head 70; Fixedly front leg strut 301 and rear support leg 302 are installed in the side of capstan head 70; Fixedly other parts can also be installed in the inside of capstan head 70, and fixedly the top of capstan head 70 is provided with swing type mechanism 60, and boom system comprises jib 10 and turntable; Turntable is located on the swing type mechanism 60, and jib 10 rotates with respect to centre part and chassis 20 under the effect of swing type mechanism 60 with turntable.
In this embodiment, pump truck also is provided with first actuating device, and chassis 20 is provided with first track, and first actuating device drives the fixedly capstan head 70 of pump truck along first orbital motion, and the fixedly capstan head 70 shown in the figure is located on the auxiliary girder.Vertical slide rail 201 that first track can extend for 20 the girder length direction along the chassis is equipped with vertical slide rail 201 on two girders on chassis 20, the bottom of auxiliary girder be provided with accordingly two block vertical slide rail 201 vertical chute 401.Because the length of auxiliary girder is longer; The head position that installs and fixes capstan head 70 at auxiliary girder is provided with vertical chute 401; Girder is provided with cooresponding vertical slide rail 201, also has cooresponding vertical chute 401 and vertical slide rail 201 at the tail position of auxiliary girder, referring to Fig. 1 and Fig. 3.During slide rail 201 slips longitudinally of then vertical chute 401, dress and jib 10 move forward and backward in the drive.Vertically the concrete fit structure of slide rail 201 and vertical chute 401 can be with reference to figure 6, and Fig. 6 is vertically a slide rail and the vertically cross sectional representation of chute cooperation among Fig. 3, buckles in the cell wall of vertical chute 401; Vertically the cross-sectional plane of slide rail 201 roughly is horizontal " H " shape or T shape; After then vertically chute 401 blocked vertical slide rail 201, the two only can slide relatively, can't move along horizontal or vertical direction; The last dress of then paying on the beam can not break away from chassis 20, and stability is higher.
When jib 10 need stretch out, can adjust the center of gravity of pump truck through following manner:
At first, launch supporting leg, pretend on then and fix for ground, at this moment, wheel is liftoff, and first actuating device drives vertical slide rail 201 and vertical chute 401 slide relative, and then chassis 20 is with respect to last dress orbiting.As shown in Figure 7, when jib 10 launched towards the pump truck rear, first actuating device can drive chassis 20 and slide towards the place ahead along track, moved after stretching the center of gravity that causes behind the jib 10 to offset; When jib 10 launched towards the place ahead, chassis 20 was rearward moved; When jib 10 towards oblique the place ahead or when tiltedly stretch out at the rear, chassis 20 equally can be rearward or the place ahead stretch out, still can play the effect of adjustment center of gravity to a certain extent, be about to chassis 20 as counterweight.Can pumparound 50 be installed on 20 places, chassis, then pumparound 50 and chassis 20 are jointly as counterweight, and regulating effect is more obvious.
Also can with on pretend to be counterweight, promptly front leg strut 301 and rear support leg 302 do not launch when the adjustment center of gravity, 20 relative ground, chassis are fixed; Last dress is in adjustable state; Supporting leg all moves with last dress, owing to jib 10 can move with last dress, so the length of jib 10 elongations need be done corresponding change.Such as; When jib 10 launched towards the rear, dress and jib 10 forwards moved in the driving, and the length that jib 10 stretches out need elongatedly can reach the desired location; At this moment; Last dress center of gravity reach, the center of gravity of the boom system after the expansion also moves forward, and moves after packing up the body gravity that causes to launching backward thereby reach reduction jib 10; But this kind counterweight pattern has certain restriction (operation farthest of jib 10 is apart from reducing) to the stroke of jib 10, and it regulates alerting ability inferior to the pattern of chassis 20 as counterweight.
Among this embodiment,, make under the situation that does not increase extra counterweight that the chassis of pump truck self or last dress can be adjusted the center of gravity of pump truck flexibly as counterweight, to increase stability owing to be provided with first track.After the center of gravity adjustment, the barycenter trajectory radius of circle of pump truck reduces (maximum offset of center of gravity reduces), and required bearing surface area reduces that (bearing surface is formed by supporting leg strong point line; The stability requirement barycenter trajectory circle of pump truck falls in the bearing surface); Then can effectively reduce the length that the pump truck supporting leg stretches out, thereby reduce the space, building site that supporting leg takies, make pump truck can be applicable to the workyard that the space is narrow and small; Or under the situation of pump truck supporting leg curtailment, avoid car body to tumble; And,, thereby can reduce production costs and reduce the weight of car load owing to a leg length of pump truck can shorten.In addition, between the bottom of auxiliary girder and the vertical chute 401 horizontal slide rail 402 and horizontal concrete chute 403 can also be set.
Please continue with reference to figure 3; All right fixed lateral slide rail 402 on vertical chute 401; Fixedly the bottom of capstan head 70 is fixed with horizontal concrete chute 403; Horizontal concrete chute 403 blocks horizontal slide rail 402 and can move along horizontal slide rail 402, and the mode that horizontal concrete chute 403 and horizontal slide rail 402 cooperate can be identical with the fit system of vertical slide rail 201, vertical chute 401.First actuating device can comprise first drive element and second drive element, and first drive element drives slide rail 201 slips longitudinally of vertical chute 401, and second drive element drives horizontal concrete chute 403 along laterally slide rail 402 slips.As shown in Figure 1, this kind track design mode makes chassis 20 and last dress not only can move forward and backward relatively, and all right sway is more flexible to the adjustment of pump truck center of gravity.
First drive element and second drive element can be respectively first telescopic oil cylinder 202 and second telescopic oil cylinder 404.Please continue referring to Fig. 4; Be provided with horizontal beam between two vertical chutes 401 that two vertical slide rails 201 cooperate; Between two vertical slide rails 201 also is that horizontal tie-beam is arranged; One end of first telescopic oil cylinder 202 connects horizontal beam, and the other end connects tie-beam, then vertical chute 401 of the telescopic drive of first telescopic oil cylinder 202 and vertically slide rail 201 slip forward or backward relatively.Similarly; The horizontal concrete chute 403 that parallels also can be set; Be provided with the vertical beam of putting between the horizontal concrete chute 403; One end connection lengthwise of second telescopic oil cylinder 404 is put beam, and the other end connects a vertical chute 401, and then the flexible of second telescopic oil cylinder 404 can drive horizontal concrete chute 403 and laterally slide rail 402 slip to the left or to the right relatively.The mode of using chute and slide rail to cooperate, realize chassis 20 with on pretend to motion in, can prevent dress disengaging chassis 20, the stability of assurance support and connection.
In order further to guarantee the fixedly connective stability of capstan head 70 and chassis 20, chassis 20 can also be provided with first blocking device, 203, the first blocking devices 203 fixedly capstan head 70 be locked in the pre-position on chassis 20.The desired location is promptly according to jib 10 expansion directions and length, and according to the fixing position that stops of capstan head 70 of center of gravity adjustment demand, operating personal can be confirmed this position according to current working, or calculates through the program that controller is set and to confirm this position.First blocking device 203 can be a bearing pin, can some spaced pin-and-holes be set along line of travel on chute and the slide rail, when fixing capstan head 70 slides to the desired location; Bearing pin is inserted in the superimposed pin-and-hole of chute and slide rail; Fixedly chute and slide rail (this kind lock mode require pre-position, a certain pin-and-hole of chute and slide rail can overlap) are when preventing that drive element is malfunctioning; Chute and slide rail generation slide relative influence center of gravity and regulate.
Please continue with reference to figure 5, this illustrates a kind of structural representation of first blocking device 203.Vertically chute 401 is provided with some breach 4011 along line of travel; Be provided with first blocking device 203 on the girder on chassis 20; First blocking device 203 comprises and the fixing screw collar of girder that bolt inserts in the screw collar, rotating bolt; Bolt can be to the top elongation to insert breach 4011 places, and then vertically chute 401 is locked with vertical chute 401; Rotating bolt is downwards to break away from breach 4011 places, and then vertically chute 401 is able to release with vertical slide rail 201, can slide relative.First blocking device, 203 easy operatings of this kind structure, locking is reliable.
In the foregoing description, first track is vertical slide rail 201, vertically is provided with horizontal slide rail 402 on the chute 401, and promptly second swing type mechanism 40 only can front and back or sway.In fact, the bearing of trend of first track is not limited to this, and also can tilt (for vertical and horizontal) are located at 20 places, chassis; Pretend in the realization and get final product for doing translation in chassis 20 is in horizontal surface; Can reach the purpose of adjustment center of gravity equally, certainly, the vertical slide rail 201 that extends along girder is set; Make the weight that goes up dress and jib 10 still mainly fall within on the girder, can keep the load-bearing property of car body.In addition, said fixing capstan head 70 is provided with chute and slide rail respectively with chassis 20, also can on the chassis 20 chute be set in fixedly on the capstan head 70 slide rail being set; Also can take other track set-up modes.Certainly, in view of durability requirements, chute and slide rail are preferred track structure.In addition, first drive element and second drive element are telescopic oil cylinder, and telescopic oil cylinder has bigger propulsive effort, and suitable drive fixing capstan head 70 reaches and goes up dress, jib 10 slides, and can certainly adopt other drive elements of using always, such as cylinder, sprocket wheel etc.
Please refer to Fig. 8 and Fig. 9, Fig. 8 is the structural representation of concrete pump truck that the utility model the provides another kind specific embodiment, and this figure omits chassis and the fixing track between the capstan head; Fig. 9 is the fixing birds-eye view of capstan head among Fig. 8; Figure 10 is the structural representation that fixedly slide rail and swing type mechanism upper hopper chute cooperate on the capstan head among Fig. 9; Figure 11 is the upward view of Figure 10; The structural representation that Figure 12 stretches out forward for jib among Fig. 9.
In this specific embodiment, pump truck also has second actuating device, and swing type mechanism 60 is fixed on the fixedly capstan head 70 of concrete pump truck, and fixedly capstan head 70 is provided with second track, and the second actuating device driving rotational mechanism 60 is along second orbital motion.Similar with the first track set-up mode, second track can be the slide rail of being located on the fixing capstan head 70 701, and swing type mechanism 60 has chute 601, the second actuating devices that block slide rail 701 and drives chute 601 and slide along slide rail 701.Can fixedly on the capstan head 70 slide rail 701 that laterally arranges be set; The bottom of swing type mechanism 60 has the cooresponding chute that laterally arranges 601; Being provided with crossbeam 6011, the second actuating devices between the chute 601 also is telescopic oil cylinder 602, and an end of telescopic oil cylinder 602 is connected in crossbeam 6011; The other end is connected with horizontal tie-beam 702 on being located at fixing capstan head 70, and then telescopic oil cylinder 602 flexible can drive jib 10 and move along the fixing slide rail 701 of capstan head 70.Shown in figure 12, when jib 10 need launch forward, telescopic oil cylinder 602 driving rotational mechanisms 60 moved with jib 10 forward; When jib 10 need launch backwards, telescopic oil cylinder 602 driving rotational mechanisms 60 moved with jib 10 backwards.Swing type mechanism 60 makes that with jib 10 Orbiting distances the length of jib 10 is more flexible with the luffing adjusting, and can enlarge the scope of work of jib.
Fixedly on the capstan head 70 second blocking device can be set; Second blocking device can be locked in the fixedly pre-position of capstan head 70 with swing type mechanism 60; Similar with the principle of first blocking device 203, structure can be identical with first blocking device 203, do not give unnecessary details at this.In the foregoing description, pump truck is provided with actuating device driving chute and moves with respect to slide rail, in fact; It is also passable that actuating device is placed on pump truck; Such as, the blocking devices locking is adopted on last dress and chassis 20, when needing adjustment chassis 20 and last holding position; Release makes chassis 20 and last dress be in adjustable state, drives the two relative operation through external actuating device.
More than a kind of concrete pump truck that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. a concrete pump truck comprises chassis and last dress, and the said dress of going up is installed on the said chassis; It is characterized in that; Said go up dress and said chassis the two one of be provided with first track, another person does translation so that pretend on said for said chassis along said first orbital motion.
2. concrete pump truck according to claim 1 is characterized in that, also comprises first actuating device, and said first actuating device is used to drive said chassis and the said dress of going up is done operation relatively along said first track.
3. concrete pump truck according to claim 2 is characterized in that, said first track is vertical slide rail of being located on the girder on said chassis and extending along said girder length direction; The said auxiliary girder of going up dress is provided with the vertical chute that is stuck in said vertical slide rail.
4. concrete pump truck according to claim 3 is characterized in that, is fixed with horizontal slide rail on said vertical chute, and the bottom of said auxiliary girder is fixed with horizontal concrete chute; Said first actuating device comprises first drive element and second drive element; Said first drive element drives said vertical chute and slides along said vertical slide rail, and said second drive element drives said horizontal concrete chute and slides along said horizontal slide rail.
5. concrete pump truck according to claim 4 is characterized in that, said first drive element and said second drive element are respectively first telescopic oil cylinder and second telescopic oil cylinder; Be equipped with said vertical slide rail on the two said girders; Be provided with horizontal tie-beam between two said vertical slide rails; Be provided with horizontal beam between two said vertical chutes that two said vertical slide rails cooperate, an end of said first telescopic oil cylinder connects said horizontal beam, the other end connects said tie-beam; Have the said horizontal concrete chute that laterally arranges, have the vertical beam of putting between the said horizontal concrete chute, an end of said second telescopic oil cylinder connects said indulging and puts beam, and the other end connects a said vertical chute.
6. according to each described concrete pump truck of claim 1 to 5, it is characterized in that said chassis also is provided with first blocking device, said first blocking device is locked in said auxiliary girder in the desired location on said chassis.
7. according to each described concrete pump truck of claim 1 to 5, it is characterized in that the pumparound of concrete pump truck is located on the said chassis.
8. according to each described concrete pump truck of claim 1 to 5; It is characterized in that; The said swing type mechanism of going up dress is fixed on the fixedly capstan head of concrete pump truck, said fixedly capstan head and said swing type mechanism the two one of be provided with second track, another person is along said second orbital motion.
9. concrete pump truck according to claim 8; It is characterized in that; Said second track is the slide rail of being located on the said fixedly capstan head, and said swing type mechanism has the chute that is stuck in said slide rail, also comprises driving said second actuating device of said chute along said slide rail operation.
10. concrete pump truck according to claim 9; It is characterized in that having the said slide rail that laterally arranges on the said fixedly capstan head, the bottom of said swing type mechanism has the cooresponding said chute that laterally arranges; Be provided with crossbeam between the said chute; Said second actuating device is a telescopic oil cylinder, and an end of said telescopic oil cylinder is connected in said crossbeam, and the other end is connected with said fixedly capstan head; And said fixedly capstan head is provided with second blocking device, and said second blocking device is locked in said swing type mechanism in the desired location of said fixedly capstan head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205307249U CN202345496U (en) | 2011-12-16 | 2011-12-16 | Concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205307249U CN202345496U (en) | 2011-12-16 | 2011-12-16 | Concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202345496U true CN202345496U (en) | 2012-07-25 |
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ID=46534520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205307249U Expired - Lifetime CN202345496U (en) | 2011-12-16 | 2011-12-16 | Concrete pump truck |
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| Country | Link |
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| CN (1) | CN202345496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972953A (en) * | 2015-07-11 | 2015-10-14 | 合肥正浩机械科技有限公司 | Bearing platform of girder transporting vehicle |
| CN114906195A (en) * | 2022-07-01 | 2022-08-16 | 广东电网有限责任公司江门供电局 | Power equipment transport vehicle |
-
2011
- 2011-12-16 CN CN2011205307249U patent/CN202345496U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972953A (en) * | 2015-07-11 | 2015-10-14 | 合肥正浩机械科技有限公司 | Bearing platform of girder transporting vehicle |
| CN114906195A (en) * | 2022-07-01 | 2022-08-16 | 广东电网有限责任公司江门供电局 | Power equipment transport vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
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| CX01 | Expiry of patent term |