CN215671148U - Landing leg subassembly and engineering machine tool - Google Patents
Landing leg subassembly and engineering machine tool Download PDFInfo
- Publication number
- CN215671148U CN215671148U CN202121736768.7U CN202121736768U CN215671148U CN 215671148 U CN215671148 U CN 215671148U CN 202121736768 U CN202121736768 U CN 202121736768U CN 215671148 U CN215671148 U CN 215671148U
- Authority
- CN
- China
- Prior art keywords
- liquid storage
- leg
- liquid
- storage cavity
- assembly according
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of engineering machinery, in particular to a supporting leg assembly and engineering machinery. The leg assembly includes: the supporting leg comprises a supporting leg main body, wherein a liquid storage cavity is formed in the inner cavity of the supporting leg main body or a liquid storage device with a liquid storage cavity formed inside is arranged on the supporting leg main body, and liquid is stored in the liquid storage cavity; and the heating part is at least partially arranged in the liquid storage cavity. The heating component is used for heating liquid in the liquid storage cavity, the liquid can flow under the low-temperature environment, and the concrete pump truck can be normally used, so that the concrete pump truck can be used under the low-temperature environment, and the applicable environment of the concrete pump truck is higher.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a supporting leg assembly and engineering machinery.
Background
At present, the concrete pump truck comprises an arm support and a plurality of supporting legs, wherein a liquid medium is stored in each supporting leg, the liquid medium is water, and the water is controlled by a water pump to flow to the supporting leg on the opposite side of the arm support, so that the gravity center of the concrete pump truck can move towards the geometric center of the concrete pump truck, the tipping risk of the concrete pump truck can be effectively reduced, and the stability of the concrete pump truck is improved. Under the low temperature environment, the water in the landing leg freezes, and water can not flow for concrete pump truck can not use under the low temperature environment, and service environment receives the restriction.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a supporting leg assembly and engineering machinery, and aims to solve the problem that in the prior art, water in a supporting leg is frozen to cause incapability of a concrete pump truck in a low-temperature environment.
To achieve the above object, the present invention provides a leg assembly including: the supporting leg comprises a supporting leg main body, wherein a liquid storage cavity is formed in the inner cavity of the supporting leg main body or a liquid storage device with a liquid storage cavity formed inside is arranged on the supporting leg main body, and liquid is stored in the liquid storage cavity; and the heating part is at least partially arranged in the liquid storage cavity.
Optionally, the heating part is an electric heater disposed in the liquid storage cavity, and the electric heater is adapted to be electrically connected with the power supply part.
Optionally, the power supply component is a battery or a generator.
Optionally, the heating component is a heat exchanger disposed in the liquid storage cavity, the heat exchanger is a part of the hydraulic oil pipeline, or the hydraulic oil pipeline is disposed on an outer wall of the heat exchanger, or two ends of a heat exchange flow channel in the heat exchanger are respectively adapted to be communicated with the hydraulic oil pipeline, so that heat of hydraulic oil in the hydraulic oil pipeline is transferred to liquid in the liquid storage cavity.
Optionally, the landing leg assembly further includes a liquid pump, the liquid pump is disposed outside the landing leg main body or in the liquid storage cavity, and the liquid pump is used for pumping out liquid in the liquid storage cavity or conveying liquid into the liquid storage cavity.
Optionally, when the supporting leg main body is provided with a liquid storage device with a liquid storage cavity formed inside, the liquid storage device is arranged in the inner cavity of the supporting leg main body or arranged on the outer side of the supporting leg main body.
Optionally, the leg body comprises a horizontal leg section extending in a horizontal direction and a vertical leg section extending in a vertical direction, the reservoir being provided in an inner cavity of the horizontal leg section or outside the horizontal leg section.
Optionally, the number of the supporting leg main bodies is multiple, the liquid storage cavities of the supporting leg main bodies are communicated with each other, and the heating component is at least located in one of the liquid storage cavities.
Optionally, the at least one liquid storage cavity is located on one side of a central axis of the engineering machine, the at least one liquid storage cavity is located on the other side of the central axis of the engineering machine, and the leg assembly further includes a control system, and the control system is used for controlling the amount of liquid in the liquid storage cavities on different sides.
The present invention also provides an engineering machine, including: the above-mentioned support leg.
The technical scheme of the utility model has the following advantages: the heater block is arranged in heating the liquid in the stock solution cavity, and under low temperature environment, liquid also can flow, and the mobile concrete pump can normal use, and then makes the mobile concrete pump can use in low temperature environment, and the applicable environment of mobile concrete pump is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 shows a partially cut-away perspective view of a first embodiment of a leg of the present invention;
fig. 2 shows a partially cut-away perspective view of a second embodiment of the leg of the present invention.
Description of reference numerals:
10. a leg body; 20. a liquid pump; 30. an electric heater; 40. a storage battery; 50. a heat exchanger; 60. and a hydraulic oil tank.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example one
As shown in fig. 1, the leg assembly of the present embodiment includes: the supporting leg comprises a supporting leg main body 10 and a heating part, wherein a liquid storage device with a liquid storage cavity formed inside is arranged on the supporting leg main body 10, and liquid is stored in the liquid storage cavity; and the heating part is at least partially arranged in the liquid storage cavity.
Use the landing leg subassembly of this embodiment, the heater block is arranged in heating the liquid in the stock solution cavity, and under low temperature environment, liquid also can flow, and the mobile concrete pump can normal use, and then makes the mobile concrete pump can use in low temperature environment, and the applicable environment of mobile concrete pump is higher.
In the present embodiment, the heating component is an electric heater 30 disposed in the liquid storage cavity, and the electric heater 30 is adapted to be electrically connected with the power supply component. Under the low temperature service environment, the power supply part supplies power for the electric heater 30, and the electric heater heats the liquid in the liquid storage device, prevents the liquid in the liquid storage device from icing. When the temperature of the liquid is lower than a first preset temperature value, a switch of the electric heater 30 is turned on, the power supply part supplies power to the electric heater, so that the temperature of the liquid in the liquid storage device is increased, and when the temperature of the liquid reaches a second preset temperature value, the electric heater is switched off, and the electric heater does not heat the liquid any more; and when the temperature of the liquid is lower than the first preset temperature value, starting the power supply part to supply electric energy to the electric heater.
In the present embodiment, the power supply part is a storage battery 40, and the storage battery 40 supplies electric power to the electric heater 30. As an alternative embodiment, the power supply component is a generator.
In this embodiment, the landing leg assembly further includes liquid pump 20, and liquid pump 20 sets up in the liquid storage cavity, and liquid pump 20 is used for taking out the liquid in the liquid storage cavity or carrying liquid to the liquid storage cavity, and is integrated on landing leg main part 10 with liquid pump 20, and the structure is compacter, prevents that the water pump from taking up the space of auxiliary girder or chassis, does not influence the setting of other spare parts.
In the present embodiment, the liquid pump 20 and the liquid reservoir are provided in the inner cavity of the leg body 10, making full use of the inner space of the leg body 10. After pumping is finished, water in the liquid storage device can be pumped out for washing, so that the weight of the pump body can be reduced; when the liquid level in the reservoir is below the minimum level, replenishment liquid is required. Specifically, the liquid pump 20 is provided in the reservoir, making the most of the space in the reservoir. Preferably, the liquid pump 20 is fixed to a reinforcing plate in the reservoir. Of course, the liquid pump 20 may also be arranged outside the reservoir.
In the present embodiment, the leg main body 10 includes a horizontal leg section extending in the horizontal direction and a vertical leg section extending in the vertical direction, and the reservoir is provided in an inner cavity of the horizontal leg section. The inner cavity of the horizontal leg section is larger to facilitate placement of the reservoir and fluid pump 20.
In this embodiment, the quantity of landing leg main part 10 is a plurality of, and the stock solution cavity of a plurality of landing leg main parts 10 is linked together each other, and the heater block is arranged in one of them stock solution cavity at least, and in the rotation process of engineering machine's cantilever crane, the position of engineering machine's focus can be changed through how much difference of the liquid of the stock solution cavity of control difference for the focus of pump truck can move towards the geometric center of pump truck, reduces engineering machine's self risk of overturning effectively, improves the stability of self.
In this embodiment, at least one liquid storage cavity is located one side of the central axis of the engineering machine, at least one liquid storage cavity is located the other side of the central axis of the engineering machine, and the leg assembly further includes a control system for controlling the amount of liquid in the liquid storage cavities on different sides. The control system controls the liquid to flow out of different liquid storage cavities, so that automatic control is realized, and the control is simple and convenient. In the rotation process of the arm support of the engineering machinery, the control system controls liquid to be conveyed to the liquid storage device on the other side opposite to the side where the arm support is located, so that the gravity center of the pump truck can move towards the geometric center of the pump truck, the overturning risk of the engineering machinery is effectively reduced, and the stability of the engineering machinery is improved. It should be noted that the engineering machine is a pump truck or the like, and the pump truck is taken as an example for explanation, the side where the cab of the pump truck is located is the front side, the side where the hopper of the pump truck is located is the rear side, when the driver faces the front side, the side where the left hand of the driver is located is the left side, the side where the right hand of the driver is located is the right side, the central axis extends along the front-rear direction of the pump truck, and the central axis can divide the cab and the hopper into two halves which are arranged left and right.
The pump truck further comprises an arm support, and when the arm support is positioned on the front side of the pump body, liquid is positioned in a liquid storage cavity on the rear side; when the arm support rotates to the left side, the liquid is positioned in the liquid storage cavity on the right side; when the arm support rotates to the right side, the liquid is positioned in the liquid storage cavity on the left side; when the arm support rotates to the rear side, liquid is in the liquid storage cavity on the front side, the position of the liquid is adjusted according to the position of the arm support, the weight of the whole vehicle can be balanced, the phenomenon that one side of the arm support is heavy and the other side opposite to the side of the arm support is light is avoided, and the stability of the pump truck is improved. The number of leg bodies may also be four, six or eight, etc.
It should be noted that the liquid is water, the liquid pump is a water pump, and the liquid reservoir is a water tank.
As an alternative embodiment, the liquid pump 20 is arranged on the outside of the leg body, preferably the liquid pump 20 is arranged on the outside of the horizontal leg section.
As an alternative embodiment, the inner cavity of the leg body 10 forms a reservoir chamber, and no reservoir is required.
Example two
As shown in fig. 2, the support leg of the second embodiment is different from the support leg of the first embodiment in the specific structure of the heating component, in the second embodiment, the heating component is a heat exchanger 50 disposed in the reservoir, and the heat exchanger 50 is a part of the hydraulic oil pipeline, so that the heat of the hydraulic oil in the hydraulic oil pipeline is transferred to the liquid in the reservoir cavity. The hydraulic oil in use is cooled down through liquid, a cooling effect is achieved, the heat exchanger 50 and the air cooler perform air cooling and water cooling on the hydraulic oil together, a dual cooling effect is achieved, the hydraulic oil is heated, the icing condition of water in the water tank is prevented, the heat of the hydraulic oil can be fully utilized, and resources are saved. Wherein the hydraulic oil line is connected to a hydraulic oil tank 60.
As an alternative, the hydraulic oil line is arranged on the outer wall of the heat exchanger 50, in which case the heat exchanger 50 is a fin, which may increase the heat dissipation area.
As an alternative embodiment, the heat exchange flow path in the heat exchanger 50 has both ends adapted to communicate with the hydraulic oil line, respectively, in which case the heat exchanger 50 is one part, and the heat exchanger 50 has the heat exchange flow path. Preferably, the heat exchange flow channel is curved, so that the heat dissipation area can be increased.
The present invention also provides an engineering machine, including: the above-mentioned support leg.
In this embodiment, the engineering machine is a pump truck and the like, the pump truck further includes a supporting platform, a turntable, an arm support and the like, the turntable is rotatably disposed on the supporting platform, the arm support is disposed on the turntable and rotates with the turntable, and the support leg main body is connected to the supporting platform. The landing leg main part is equipped with a plurality ofly, all is equipped with the reservoir in every landing leg main part, and integrated electric heater or heat exchanger improve water tank service environment in the landing leg main part, with the water pump integration in the water tank or the outside of landing leg, the structure is compacter.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1. an electric heater is arranged in the water tank, and the storage battery can supply power to the electric heater by turning on a switch of the heater under the use environment below 0 ℃, so that the icing condition of water in the water tank is prevented, and the applicable environment is higher.
2. Arrange the heat exchanger in the water tank, hydraulic oil pipeline is connected with hydraulic tank, and water in the water tank can cool down the hydraulic oil in the use, plays the cooling effect, cools off hydraulic oil through the water-cooling to, hydraulic oil heats the water in the water tank, prevents that the water in the water tank from the condition of freezing, and application environment is higher.
3. The water pump is integrated on the water tank, the arrangement is more compact, and after the pumping is finished, water in the water tank is pumped out through the water pump to be washed.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. A leg assembly, comprising:
the supporting leg comprises a supporting leg main body (10), wherein a liquid storage cavity is formed in an inner cavity of the supporting leg main body (10) or a liquid storage device with the liquid storage cavity formed inside is arranged on the supporting leg main body (10), and liquid is stored in the liquid storage cavity;
the heating part is at least partially arranged in the liquid storage cavity.
2. The leg assembly according to claim 1, wherein the heating means is an electric heater (30) arranged in the reservoir chamber, the electric heater (30) being adapted to be electrically connected to a power supply.
3. Leg assembly according to claim 2, characterized in that the power supply means is a battery (40) or a generator.
4. The leg assembly according to claim 1, wherein the heating member is a heat exchanger (50) disposed in the liquid storage cavity, the heat exchanger (50) is a part of a hydraulic oil line or the hydraulic oil line is disposed on an outer wall of the heat exchanger (50) or both ends of a heat exchange flow passage in the heat exchanger (50) are adapted to communicate with the hydraulic oil line, respectively, so that heat of hydraulic oil in the hydraulic oil line is transferred to liquid in the liquid storage cavity.
5. The leg assembly according to any one of claims 1-4, further comprising a liquid pump (20), the liquid pump (20) being arranged outside the leg body (10) or in a liquid storage cavity, the liquid pump (20) being adapted to pump liquid out of or into the liquid storage cavity.
6. The leg assembly according to any one of claims 1 to 4, characterized in that the leg body (10) is provided with a reservoir inside of which a reservoir chamber is formed, which reservoir is arranged in the inner cavity of the leg body (10) or outside the leg body (10).
7. The leg assembly according to claim 6, wherein the leg body (10) comprises a horizontal leg section extending in a horizontal direction and a vertical leg section extending in a vertical direction, the reservoir being provided in an inner cavity of the horizontal leg section or outside the horizontal leg section.
8. The leg assembly according to any one of claims 1 to 4, wherein the number of the leg main bodies (10) is plural, the liquid storage cavities of the plural leg main bodies (10) are communicated with each other, and the heating member is located in at least one of the liquid storage cavities.
9. The leg assembly according to claim 8, wherein at least one of the liquid storage cavities is located on one side of a central axis of the construction machine, and at least one of the liquid storage cavities is located on the other side of the central axis of the construction machine, and further comprising a control system for controlling the amount of liquid in the liquid storage cavities on different sides.
10. A work machine, comprising: the leg assembly of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121736768.7U CN215671148U (en) | 2021-07-28 | 2021-07-28 | Landing leg subassembly and engineering machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121736768.7U CN215671148U (en) | 2021-07-28 | 2021-07-28 | Landing leg subassembly and engineering machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215671148U true CN215671148U (en) | 2022-01-28 |
Family
ID=79982022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121736768.7U Active CN215671148U (en) | 2021-07-28 | 2021-07-28 | Landing leg subassembly and engineering machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215671148U (en) |
-
2021
- 2021-07-28 CN CN202121736768.7U patent/CN215671148U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9540055B2 (en) | Underbody unit for a motor vehicle | |
| KR101711747B1 (en) | Underbody unit for a motor vehicle | |
| CA2531302A1 (en) | Thermally managed battery enclosure for electric and hybrid electric vehicles | |
| CN105958155A (en) | Phase-change material energy-storage based cooling method and apparatus for power battery | |
| CN101431289A (en) | Traction auxiliary power supply integrated deflector | |
| US20210023907A1 (en) | Working Machine | |
| CN216054891U (en) | Box body of power battery, electric device and temperature difference self-adjusting cold plate | |
| CN207353334U (en) | Battery case and its heat management system | |
| CN215671148U (en) | Landing leg subassembly and engineering machine tool | |
| CN205406676U (en) | Battery module | |
| CN210733893U (en) | Electric automobile's thermal management system and electric automobile that has it | |
| CN219144270U (en) | Battery cooling system trades | |
| CN216750064U (en) | Battery pack lower box body and battery pack | |
| CN205752336U (en) | Battery bag | |
| CN213905454U (en) | Battery heat dissipation system of pure electric wide-body mining dump truck | |
| BR102021021896A2 (en) | SMART WORK VEHICLE PREHEATING SYSTEM | |
| CN109119722B (en) | Power battery heat exchange system, liquid storage device thereof and new energy automobile | |
| CN220400702U (en) | Battery cooling system and battery cluster | |
| CN113054287A (en) | Battery pack heating system, charging box, battery changing station and energy storage station | |
| CN219226396U (en) | New energy battery thermal management system and new energy vehicle | |
| JP2011000922A (en) | Fuel tank temperature control system of fuel cell mounted vehicle | |
| KR20140077713A (en) | Generative heat exchanger for vehicle | |
| CN213383845U (en) | Vehicle chassis bracket | |
| CN111824078B (en) | Support leg device and work vehicle | |
| JP2020140795A (en) | Battery system for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |