CN214267774U - Auxiliary frame assembly and concrete pump truck - Google Patents
Auxiliary frame assembly and concrete pump truck Download PDFInfo
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- CN214267774U CN214267774U CN202120007276.8U CN202120007276U CN214267774U CN 214267774 U CN214267774 U CN 214267774U CN 202120007276 U CN202120007276 U CN 202120007276U CN 214267774 U CN214267774 U CN 214267774U
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Abstract
The utility model discloses an auxiliary frame assembly and a concrete pump truck, wherein the auxiliary frame assembly comprises a first auxiliary frame body (100), a second auxiliary frame body (200) and an inclined strut mechanism; the first subframe body (100) and the second subframe body (200) are arranged in a split manner and configured to be capable of being respectively assembled on a chassis (500) of a concrete pump truck along the length direction of the chassis (500), wherein the first subframe body (100) is configured to bear an underframe assembly (600); the sprag mechanism is configured to be able to provide a connection between the undercarriage assembly (600) and the second subframe body (200). The utility model discloses an auxiliary frame assembly has the advantage that is convenient for transport and storage, is convenient for control cost, shortens assembly cycle, improves production efficiency.
Description
Technical Field
The utility model relates to an engineering machine tool technical field specifically relates to an auxiliary vehicle frame assembly and mobile concrete pump.
Background
The auxiliary frame assembly of the concrete pump truck plays an important role in connecting the chassis and the upper part. In the production process of the concrete pump truck, generally, an auxiliary frame assembly is firstly hoisted on a workbench, then the chassis assembly is hoisted on the auxiliary frame assembly, the chassis assembly and the auxiliary frame assembly are welded in a matched mode on site, then a walking board assembly, a pumping unit, a lower truck conveying pipe assembly and other accessory parts are assembled on a welding assembly, the walking board assembly, the pumping unit, the lower truck conveying pipe assembly and the other accessory parts are integrally hoisted to a chassis station after the walking board assembly, the pumping unit, the lower truck conveying pipe assembly and the other accessory parts are assembled, finally a welding connecting board is matched and welded on site, and the auxiliary frame assembly and the chassis are connected together.
However, the subframe assembly of the existing concrete pump truck has at least the following problems: 1. storage and transportation are inconvenient. 2. The efficiency of welding on the production line is low, and the welding technical requirement on workers is high. 3. The danger is high when the device is hoisted, and the device is easy to collide with other objects. 4. The production line is longer, influences production efficiency easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that prior art exists, provide a sub vehicle frame assembly and mobile concrete pump, this sub vehicle frame assembly has the advantage that is convenient for transport and storage, is convenient for control cost, shortens assembly cycle, improves production efficiency.
In order to achieve the above object, an aspect of the present invention provides an auxiliary frame assembly, which includes a first auxiliary frame body, a second auxiliary frame body and a diagonal bracing mechanism; the first auxiliary frame body and the second auxiliary frame body are arranged in a split mode and are configured to be capable of being assembled on a chassis of the concrete pump truck along the length direction of the chassis respectively, wherein the first auxiliary frame body is configured to bear an underframe assembly; the bracing mechanism is configured to provide a connection between the undercarriage assembly and the second subframe body.
Optionally, the first subframe body comprises a first end surface, the second subframe body comprises a second end surface opposite to the first end surface, and the first end surface and the second end surface are arranged in an inclined manner relative to a horizontal plane.
Optionally, the first subframe body and the second subframe body are both hollow structures, and the first end face and the second end face are both closed structures.
Optionally, the inclination angle α of the first end surface relative to the horizontal plane is 30-90 °, and the second end surface and the first end surface are symmetrically arranged.
Optionally, the minimum distance L between the first subframe body and the second subframe body is 0-50 mm.
Optionally, the sub vehicle frame assembly includes a plurality of connection board groups, every connection board group includes upper junction plate and lower junction plate, and is a plurality of the upper junction plate sets up on first auxiliary frame body with the second auxiliary frame body, and is a plurality of the lower junction plate is used for setting up on the chassis, wherein, the upper junction plate with the lower junction plate is equipped with the connecting hole that corresponds each other respectively.
Optionally, the inclined strut mechanism includes a first connecting seat, a second connecting seat and a strut; the first connecting seat is configured to be capable of being installed on the underframe assembly, the second connecting seat is fixedly arranged on the second subframe body, and two ends of the stay bar are respectively connected with the first connecting seat and the second connecting seat through pin shafts.
Optionally, the vaulting pole includes first section, second section and screw rod section, first section be equipped with be used for with first connecting seat is through the first round pin shaft hole of round pin hub connection, the second section be equipped with be used for with the second connecting seat is through the second round pin shaft hole of round pin hub connection, the both ends of screw rod section respectively with first section second section threaded connection, the spiral of the screw thread at the both ends of screw rod section is to opposite.
Optionally, the sub-frame assembly includes a split sub-frame body having the same structure as the second sub-frame body, and the split sub-frame body is configured to be assembled on the chassis so that the second sub-frame body is located between the first sub-frame body and the split sub-frame body.
Through the technical scheme, because first auxiliary frame body with the components of a whole that can function independently setting of second auxiliary frame body, wherein, first auxiliary frame body configuration is for being used for bearing the weight of the chassis assembly, consequently, the utility model discloses an auxiliary frame assembly can be placed on different stations in segmentation, and the workman can be online down with first auxiliary frame body with the chassis assembly assembles, can assemble at other stations simultaneously the second auxiliary frame body also can parts such as platen and pumping unit are adorned away to the sub-equipment of second auxiliary frame body, and the multistation simultaneous working can greatly shorten the production assemble duration of auxiliary frame assembly and concrete pump truck like this.
The utility model discloses the second aspect provides a concrete pump truck, concrete pump truck includes foretell sub vehicle frame assembly.
Compared with the prior art, the concrete pump truck and the auxiliary frame assembly have the same advantages, and the detailed description is omitted.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
FIG. 1 is a schematic view of the assembly of the subframe assembly of the present invention with a chassis and a base frame assembly;
FIG. 2 is a schematic view of an embodiment of the concrete pump truck of the present invention;
fig. 3 is a schematic view of a first subframe body and a second subframe body of the subframe assembly of the present invention;
FIG. 4 is a schematic view of one embodiment of a strut of the subframe assembly of the present invention;
fig. 5 is a schematic diagram of an embodiment of a connection plate set of the subframe assembly according to the present invention.
Description of the reference numerals
100-a first subframe body, 110-a first end face, 200-a second subframe body, 210-a second end face, 310-a first connecting seat, 320-a second connecting seat, 331-a first section, 332-a second section, 333-a screw section, 410-an upper connecting plate, 420-a lower connecting plate, 500-a chassis, 600-an underframe assembly
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1 to 5, the subframe assembly of the present invention includes a first subframe body 100, a second subframe body 200, and a diagonal bracing mechanism; the first subframe body 100 and the second subframe body 200 are arranged in a split manner and configured to be respectively assembled on the chassis 500 along the length direction of the chassis 500 of the concrete pump truck, wherein the first subframe body 100 is configured to bear the underframe assembly 600; the sprag mechanism is configured to be able to provide a connection between the undercarriage assembly 600 and the second subframe body 200.
The utility model discloses in, because first subframe body 100 and the components of a whole that can function independently setting of second subframe body 200, wherein, first subframe body 100 is configured to be used for bearing chassis assembly 600, therefore, the utility model discloses a subframe assembly can be placed on different stations in segments, and the workman can assemble first subframe body 100 and chassis assembly 600 under online, can assemble second subframe body 200 at other stations simultaneously, also can separate on second subframe body 200 and adorn parts such as deck and pumping unit, and multistation simultaneous working like this can greatly shorten the production assemble duration of subframe assembly and mobile concrete pump.
In addition, after the base frame assembly 600 is assembled to the subframe assembly, the diagonal bracing mechanism can provide connection support between the base frame assembly 600 and the second subframe body 200, thereby forming a stable triangular structure between the base frame assembly 600, the first subframe body 100 and the second subframe body 200.
In order to avoid adverse effects such as stress and deformation due to stress concentration, in an embodiment of the present invention, the first subframe body 100 includes the first end surface 110, the second subframe body 200 includes the second end surface 210 disposed opposite to the first end surface 110, and the first end surface 110 and the second end surface 210 are disposed in an inclined manner with respect to a horizontal plane (i.e., in fig. 2, are inclined with respect to the horizontal direction). Because the first end surface 110 and the second end surface 210 are disposed obliquely, the gravity load of the bottom chassis assembly 600 can be better borne and dispersed than a vertically disposed end surface (i.e., an end surface extending in the vertical direction in fig. 2), and the phenomenon of stress concentration is avoided.
Specifically, as shown in fig. 2, the first end face 110 has an inclination angle α of 30 to 90 °, preferably 30 to 60 °, and most preferably 45 ° with respect to the horizontal plane, and the second end face 210 is disposed symmetrically to the first end face 110.
In order to effectively reduce the production cost, in an embodiment of the present invention, the first subframe body 100 and the second subframe body 200 are both hollow structures, and the first end surface 110 and the second end surface 210 are both closed structures. That is, the closing structure can prevent foreign materials such as rain, snow, dust, etc. from falling into the inside of the first and second subframe bodies 100 and 200 through the first and second end surfaces 110 and 210.
To facilitate the arrangement of the hydraulic lines, in an embodiment of the present invention, the minimum distance between the first end surface 110 and the second end surface 210 is set to allow the hydraulic lines to pass (it should be understood that the minimum distance between the first end surface 110 and the second end surface 210 is to be ensured to solve the problem of assembly errors during the assembly process, specifically, the minimum distance L between the first subframe body 100 and the second subframe body 200 described below). When the hydraulic pipeline is arranged, the hydraulic pipeline directly penetrates through the gap between the first end surface 110 and the second end surface 210 to cross the auxiliary frame assembly, compared with a mode that holes need to be punched on the auxiliary frame assembly to allow the hydraulic pipeline to penetrate through in the prior art, the number of the line passing holes is effectively reduced, and the arrangement of the hydraulic pipeline is more convenient.
Further, in an embodiment of the present invention, the minimum distance L between the first subframe body 100 and the second subframe body 200 is 0-50 mm, preferably 20-40 mm, and more preferably 30 mm. This is because, considering that assembly errors occur during actual assembly, a certain clearance margin is provided to accommodate the assembly errors.
In the prior art, the connecting plate is an integral structure and is used for connecting the auxiliary frame with the longitudinal beam of the chassis, the connecting plate is usually firstly separately arranged on the chassis, and after the auxiliary frame assembly is hoisted on the chassis, the connecting plate and the auxiliary frame are welded together, so that the assembly mode is low in efficiency. Therefore, in order to further improve the assembly efficiency of sub frame assembly and concrete pump truck, in an embodiment of the present invention, as shown in fig. 2 and 5, the sub frame assembly includes a plurality of connection plate sets, each connection plate set includes an upper connection plate 410 and a lower connection plate 420, the plurality of upper connection plates 410 are disposed on the first sub frame body 100 and the second sub frame body 200, the plurality of lower connection plates 420 are disposed on the chassis 500, wherein the upper connection plates 410 and the lower connection plates 420 are respectively provided with connecting holes corresponding to each other. In the above embodiment, the first subframe body 100 and the second subframe body 200 are respectively hung on the chassis 500 after the assembly of a plurality of assemblies is completed, and the upper connecting plate 410 and the lower connecting plate 420 can be directly connected together through bolts, so that the assembly line welding of the chassis is avoided, and the assembly efficiency is effectively improved.
In order to solve the problem that the conventional diagonal bracing mechanism is generally a formed rectangular steel structure, one end of the conventional diagonal bracing mechanism is welded on the underframe assembly 600, and the other end of the conventional diagonal bracing mechanism is assembled or welded on the auxiliary frame assembly, the conventional diagonal bracing mechanism has low assembly efficiency, and in an embodiment of the present invention, as shown in fig. 1, 2 and 4, the diagonal bracing mechanism comprises a first connecting seat 310, a second connecting seat 320 and a bracing rod; the first connecting seat 310 is configured to be able to be mounted on the underframe assembly 600, the second connecting seat 320 is fixedly disposed on the second subframe body 200, and two ends of the stay bar are respectively connected with the first connecting seat 310 and the second connecting seat 320 through pin shafts. By adopting the above embodiment, the first connecting seat 310 may be connected to the bottom frame assembly 600, the second connecting seat 320 may be connected to the second subframe body 200, and then after the bottom frame assembly 600 is assembled to the first subframe body 100, the two ends of the stay bar are respectively connected to the first connecting seat 310 and the second connecting seat 320 through the pin shaft, thereby greatly improving the assembling efficiency.
Because sub vehicle frame assembly can produce assembly error when the assembly, in order to adapt to assembly error well, the utility model discloses an in the embodiment, the vaulting pole includes first section 331, second section 332 and screw rod section 333, first section 331 is equipped with and is used for passing through the first round pin shaft hole of round pin hub connection with first connecting seat 310, second section 332 is equipped with and is used for passing through the second round pin shaft hole of round pin hub connection with second connecting seat 320, the both ends of screw rod section 333 respectively with first section 331, second section 332 threaded connection, the screw thread at the both ends of screw rod section 333 revolves to opposite, consequently can realize the purpose of quick adjustment vaulting pole overall length through rotatory screw rod section 333, thereby make the vaulting pole can adapt to assembly error well.
It should be understood that the subframe assembly may include not only the first subframe body 100 and the second subframe body 200 described above, but also at least one split subframe body having the same structure as the second subframe body 200, such as a third subframe body, a fourth subframe body, etc., which are configured to be capable of being assembled on the chassis 500 such that the second subframe body 200 is located between the first subframe body 100 and the split subframe body. Therefore, when the whole length of sub vehicle frame assembly is longer, the accessible sets up a plurality of split type sub vehicle frame bodies and makes the length of every split type sub vehicle frame body shorter to be convenient for transportation, storage and assembly.
It should be understood that parameters such as wall thickness and yield strength of the subframe assembly can be designed according to different requirements, and currently, high-strength steel with various specifications and wall thickness of 8-10 mm and yield strength of 300-600 MPa is generally adopted for the commonly used subframe assembly. And the utility model discloses a first subframe body 100 and second subframe body 200 of sub vehicle frame assembly are split type design, and first subframe body 100 and second subframe body 20's length can not be on the long side, can control within 6 meters scope to can adjust according to actual demand. In addition, the wall thickness or the material of the first subframe body 100 and the second subframe body 20 can be properly adjusted according to the stress condition of each area of the subframe assembly, so that the bearing capacity is reasonably distributed, and the cost control is facilitated.
Through the embodiment, the utility model discloses an auxiliary vehicle frame assembly has the advantage of being convenient for transportation and storage to can utilize shaping panel more rationally, control cost under the condition that satisfies the bearing. During assembly, the assembly can be carried out on a plurality of different stations simultaneously, and the offline period of the whole vehicle is greatly shortened. Through the split type design of upper connecting plate 410 and lower connecting plate 420, can avoid on-the-spot joining in marriage welding, improve production efficiency. In addition, the length of the stay bar can be adjusted through the adjustable screw rod section 333, and the assembly is convenient.
The utility model also provides a concrete pump truck, this concrete pump truck includes foretell sub vehicle frame assembly.
The utility model discloses a concrete pump truck is the same with the advantage that above-mentioned sub vehicle frame assembly had for prior art, no longer gives unnecessary details here.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide a solution of the present invention with a plurality of simple modifications to avoid unnecessary repetition, and the present invention is not described separately for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. A subframe assembly, characterized in that the subframe assembly comprises a first subframe body (100), a second subframe body (200) and a diagonal bracing mechanism;
the first subframe body (100) and the second subframe body (200) are arranged in a split manner and configured to be capable of being respectively assembled on a chassis (500) of a concrete pump truck along the length direction of the chassis (500), wherein the first subframe body (100) is configured to bear an underframe assembly (600);
the sprag mechanism is configured to be able to provide a connection between the undercarriage assembly (600) and the second subframe body (200).
2. The subframe assembly of claim 1 wherein said first subframe body (100) includes a first end surface (110) and said second subframe body (200) includes a second end surface (210) disposed opposite said first end surface (110), said first end surface (110) and said second end surface (210) being disposed at an angle relative to a horizontal plane.
3. The subframe assembly of claim 2 wherein said first subframe body (100) and said second subframe body (200) are both hollow and said first end surface (110) and said second end surface (210) are both closed.
4. The subframe assembly of claim 2 wherein said first end surface (110) is inclined at an angle α of 30-90 ° relative to a horizontal plane, and said second end surface (210) is disposed symmetrically with respect to said first end surface (110).
5. The subframe assembly of claim 1 wherein the minimum distance L between said first subframe body (100) and said second subframe body (200) is 0-50 mm.
6. The subframe assembly of claim 1 wherein said subframe assembly comprises a plurality of connection plate sets, each of said connection plate sets comprising an upper connection plate (410) and a lower connection plate (420), a plurality of said upper connection plates (410) being disposed on said first subframe body (100) and said second subframe body (200), a plurality of said lower connection plates (420) being adapted to be disposed on said chassis (500), wherein said upper connection plates (410) and said lower connection plates (420) are respectively provided with corresponding connection holes.
7. The subframe assembly of claim 1 wherein said brace mechanism comprises a first connecting seat (310), a second connecting seat (320), and a brace; the first connecting seat (310) is configured to be capable of being installed on the underframe assembly (600), the second connecting seat (320) is fixedly arranged on the second subframe body (200), and two ends of the support rod are respectively connected with the first connecting seat (310) and the second connecting seat (320) through pin shafts.
8. The auxiliary frame assembly of claim 7, wherein the stay bar comprises a first section (331), a second section (332), and a screw section (333), the first section (331) is provided with a first pin hole for being connected with the first connecting seat (310) through a pin, the second section (332) is provided with a second pin hole for being connected with the second connecting seat (320) through a pin, two ends of the screw section (333) are respectively in threaded connection with the first section (331) and the second section (332), and the screw threads at two ends of the screw section (333) are opposite in rotation direction.
9. The subframe assembly of any of claims 1-8 including a split subframe body of identical construction to the second subframe body (200), the split subframe body configured to be fittable over the chassis (500) such that the second subframe body (200) is located between the first subframe body (100) and the split subframe body.
10. A concrete pump truck characterized in that it comprises the sub-frame assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120007276.8U CN214267774U (en) | 2021-01-04 | 2021-01-04 | Auxiliary frame assembly and concrete pump truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120007276.8U CN214267774U (en) | 2021-01-04 | 2021-01-04 | Auxiliary frame assembly and concrete pump truck |
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| CN214267774U true CN214267774U (en) | 2021-09-24 |
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| CN202120007276.8U Active CN214267774U (en) | 2021-01-04 | 2021-01-04 | Auxiliary frame assembly and concrete pump truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179321A1 (en) * | 2022-03-23 | 2023-09-28 | 三一重型装备有限公司 | Subframe assembly and engineering machine |
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2021
- 2021-01-04 CN CN202120007276.8U patent/CN214267774U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179321A1 (en) * | 2022-03-23 | 2023-09-28 | 三一重型装备有限公司 | Subframe assembly and engineering machine |
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