Hauling chassis and movable pump station
By designing a hauling chassis with retractable telescopic legs, the problem of poor stability of the hauling chassis during hauling and parking in the existing technology is solved, and a more stable and convenient hauling and parking process is achieved.
Patent Information
- Application Number
- CN202421199274.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The vibration effect of the telescopic legs is amplified when the existing trailer chassis is towed and parked, resulting in poor stability, especially when the equipment is running.
A hauling chassis is designed, including a chassis body, wheels, telescopic legs and pads. The telescopic legs can be retracted until the chassis is on the ground to reduce vibration; when parking, the telescopic legs are extended to lift the wheels off the ground, making it easy to remove and remove the wheels.
By lowering the chassis body to the ground to reduce vibration, the stability and convenience of hauling the chassis are improved, and the problem of vibration amplification of the telescopic legs is avoided.
Smart Images

Figure CN222373020U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of mobile pump stations, and in particular relates to a towing chassis and a mobile pump station. Background Art
[0002] Most of the current trailer chassis are equipped with wheels and telescopic legs, and the wheels are not disassembled. When the trailer chassis is towing, the telescopic legs are retracted to lift off the ground, and when the trailer chassis is parked, the telescopic legs are extended to lift the wheels off the ground. At this time, the chassis is mainly supported by multiple telescopic legs, or the telescopic legs are extended and used together with the wheels to park the trailer chassis. However, if the equipment on the chassis body vibrates during operation, the vibration effect at the multiple telescopic legs will be amplified. At the same time, the center of gravity of the equipment is also high when parked, resulting in poor stability, such as the structures disclosed in document No. CN116216537A "A Fire Rescue Underwater Robot Deployment System" and document No. CN210149583U "Adjustable Angle Trailer Chassis". Utility Model Content
[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a towing chassis that can be easily loaded and unloaded, and the chassis body can fall to the ground after the wheels are removed. During operation, the chassis body falls to the ground to reduce vibration.
[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a towing chassis, comprising a chassis body and a towing rod arranged in the middle of the front end of the chassis body, the towing chassis also includes two wheels and multiple telescopic legs, one end of the wheel is convexly provided with a wheel axle, and the wheel is rotatably installed on the wheel axle, a plug-in tube is arranged in the middle of the chassis body along the left and right directions, the two wheels are respectively placed on both sides of the chassis body, and the two wheel axles are respectively detachably plugged into the two ends of the plug-in tube, and multiple telescopic legs are arranged on both sides of the chassis body, and the telescopic ends of the multiple telescopic legs are downward, and the multiple telescopic legs are extended to lift the chassis body until the wheels are off the ground, or after the wheels are removed, the telescopic legs are retracted until the chassis body falls to the ground.
[0005] The beneficial effect of the above technical solution is that when the towing chassis is towed, the telescopic legs are folded and the vehicle is driven with the wheels on the ground. When the towing chassis needs to be parked, the telescopic legs are first extended to lift the wheels off the ground. At this time, the wheels can be easily removed by humans, and then the telescopic legs are retracted to lift the chassis body off the ground. When the wheels need to be installed, the telescopic legs are also first extended to lift the chassis body off the ground, and then the wheels are installed, and then the telescopic legs are retracted to lift the wheels off the ground.
[0006] In the above technical solution, four telescopic legs are provided, and one telescopic leg is provided at each of the four corners of the chassis body.
[0007] The beneficial effects of the above technical solution are: its structure is simple, and the four telescopic legs stably support the chassis body from the four corners of the chassis body.
[0008] The lower end of the chassis body in the above technical solution is also provided with a plurality of feet.
[0009] The beneficial effect of the above technical solution is that when the chassis body falls to the ground, it can be dragged on the ground by the feet.
[0010] The foot pads described in the above technical solution are leveling screws.
[0011] The beneficial effect of the above technical solution is that the chassis body can be leveled by the feet.
[0012] In the above technical solution, four feet are provided, and the four feet are respectively provided at four corners of the chassis body.
[0013] The beneficial effects of the above technical solution are: its structure is simple and its supporting effect is good.
[0014] The above technical solution also includes two plug pins, both ends of the plug tube protrude from the chassis body, and both ends of the plug tube are provided with first pin holes that penetrate the tube wall, a second pin hole is provided on the wheel axle, and the wheel axle is inserted into the plug tube, and the second pin hole is aligned with the first pin hole at the corresponding end and one of the plug pins is inserted.
[0015] The beneficial effect of the above technical solution is that: its structure is simple, so the wheel axle can be connected to the plug-in pipe by a latch, thus preventing the wheel from falling off during driving.
[0016] In the above technical solution, the wheel axle is provided with multiple second pin holes evenly spaced along its length direction, the wheel axle is inserted into the plug tube, and any one of the second pin holes is aligned with the first pin hole at the corresponding end and a pin is inserted to adjust the wheel spacing between the two wheels.
[0017] The beneficial effect of the above technical solution is that the wheelbase of the two wheels can be adjusted as needed to improve its adaptability.
[0018] The plug-in tube in the above technical solution is a square tube, and one end of the wheel axle plugged into the plug-in tube is a square rod matched with the plug-in tube.
[0019] The beneficial effect of the above technical solution is that the wheel axle and the plug-in tube can be accurately plugged in, and the first pin hole and the second pin hole can be easily aligned.
[0020] The second purpose of the utility model is to provide a mobile pump station which has a simple structure, is flexible in movement, and has good stability during operation.
[0021] In order to achieve the above-mentioned purpose, another technical solution of the utility model is as follows: a mobile pump station, comprising a pump body, a power piece and the towing chassis as described above, wherein the pump body and the power piece are both installed on the chassis body, and the pump body is transmission-connected to the power piece.
[0022] The beneficial effects of the above technical solution are: its structure is simple, and the wheels are easy to disassemble and assemble. At the same time, when the pump body is running, the chassis body can be lowered to the ground to improve its stability.
[0023] The power component in the above technical solution is a diesel engine or a gasoline engine.
[0024] The beneficial effects of the above technical solution are: it has sufficient power and good adaptability. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a side view of the towing chassis described in Example 1 of the utility model;
[0026] Figure 2 This is a bottom view of the towing chassis described in Example 1 of the utility model;
[0027] Figure 3 This is a schematic diagram of the structure of the plug-in tube and the wheel axle in Embodiment 1 of the present utility model;
[0028] Figure 4 It is a cross-sectional view of the plug-in tube and the wheel axle described in Example 1 of the utility model;
[0029] Figure 5 This is a side view of the mobile pump station described in Example 2 of the utility model.
[0030] In the figure: 1 towing chassis; 11 chassis body; 111 plug-in pipe; 1111 first pin hole; 112 foot; 12 towing rod; 121 towing ring; 13 wheel; 131 axle; 1311 second pin hole; 14 telescopic leg; 15 plug pin; 2 pump body; 3 power part. DETAILED DESCRIPTION
[0031] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.
[0032] Example 1
[0033] like Figure 1 As shown, this embodiment provides a towing chassis, including a chassis body 11 and a towing rod 12 arranged at the middle of the front end of the chassis body 11, the towing chassis also includes two wheels 13 and a plurality of telescopic legs 14, one end of the wheel 13 is convexly provided with a wheel axle 131, and the wheel 13 is rotatably mounted on the wheel axle 131, a plug-in tube 111 is arranged in the middle of the chassis body 11 along the left and right directions, the two wheels 13 are respectively placed on both sides of the chassis body 11, and the two wheel axles 131 are respectively detachably plugged into the two ends of the plug-in tube 111, and the left and right sides of the chassis body 11 are both provided with a plurality of the telescopic legs 14, and the plurality of telescopic legs 14 are arranged on the left and right sides of the chassis body 11. The telescopic ends of the telescopic legs 14 face downward, and the telescopic legs 14 are extended to lift the chassis body 11 until the wheels 13 are off the ground, or after the wheels 13 are removed, the telescopic legs 14 are retracted until the chassis body 11 falls to the ground. In this way, when the towing chassis is towed, the telescopic legs are folded and the vehicle is driven with the wheels falling to the ground. When the towing chassis needs to be parked, the telescopic legs are first extended to lift the wheels off the ground. At this time, the wheels can be easily removed by humans, and then the telescopic legs are retracted to make the chassis body fall to the ground. When the wheels need to be installed, the telescopic legs are also first extended to lift the chassis body off the ground, and then the wheels are installed, and then the telescopic legs are retracted to make the wheels fall to the ground.
[0034] In this embodiment, the front end of the towing rod 12 is further provided with a towing ring 121, and the towing ring 121 is used to be connected to the rear end of the tractor.
[0035] like Figure 2 As shown, in the above technical solution, four telescopic legs 14 are provided, and one telescopic leg 14 is provided at each of the four corners of the chassis body 11. The structure is simple, and the four telescopic legs provide stable support to the chassis body from the four corners of the chassis body. In this embodiment, the supporting legs can be hydraulic telescopic legs or hand-cranked mechanical legs.
[0036] In the above technical solution, the lower end of the chassis body 11 is also provided with a plurality of feet 112, so that the chassis body can be dragged on the ground by the feet when it falls to the ground; preferably, the feet 112 are leveling screws, so that the chassis body can be leveled by the feet; further preferably, four feet 112 are provided, and the four feet 112 are respectively arranged at the four corners of the chassis body 11, which has a simple structure and good supporting effect; of course, the feet can also be two strip blocks arranged horizontally at the lower end of the chassis body, and a rubber pad is arranged at the lower end of the feet (such as a pad made of waste tire material). The height of the feet 112 in this embodiment can be 5-10cm.
[0037] like Figure 3and Figure 4 As shown, the above technical solution also includes two bolts 15, the two ends of the plug tube 111 protrude outside the chassis body 11, and the two ends of the plug tube 111 are provided with first pin holes 1111 that penetrate the tube wall (penetration means directly penetrating the plug tube and forming two aligned holes on it, which is the first pin hole), the wheel axle 131 is provided with a second pin hole 1311, and the wheel axle 131 is inserted into the plug tube 111, and the second pin hole 1311 is aligned with the first pin hole 1111 at the corresponding end and a bolt 15 is inserted, and its structure is simple, so that the wheel axle and the plug tube can be pinned by the bolt, so as to prevent the wheel from falling off during driving. The bolt can be a steel ball pin, which makes it easy to plug and unplug, but not easy to loosen.
[0038] In the above technical solution, the wheel axle 131 is evenly spaced along its length direction with a plurality of second pin holes 1311, the wheel axle 131 is inserted into the plug tube 111, and any one of the second pin holes 1311 is aligned with the first pin hole 1111 at the corresponding end and a pin 15 is inserted to adjust the wheel width between the two wheels 13, so that the wheel width of the two wheels can be adjusted as needed to improve its adaptability.
[0039] The plug-in tube 111 in the above technical solution is a square tube, and one end of the wheel axle 131 plugged into the plug-in tube 111 is a square rod that matches the plug-in tube 111, so that the wheel axle and the plug-in tube can be accurately plugged in and the first pin hole and the second pin hole can be easily aligned.
[0040] Example 2
[0041] like Figure 5 As shown, this embodiment provides a mobile pump station, including a pump body 2, a power member 3 and a towing chassis 1 as described in Example 1, wherein the pump body 2 and the power member 3 are both mounted on the chassis body 11, and the pump body 2 is transmission-connected to the power member 3, and has a simple structure and convenient wheel disassembly and assembly. When the pump body is running, the chassis body can be lowered to the ground to improve its stability. The pump body in this embodiment can be a multi-stage centrifugal pump.
[0042] The power component 3 in the above technical solution is a diesel engine or a gasoline engine, which has sufficient power and good adaptability.
[0043] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.
Claims
1. A towing chassis, comprising a chassis body (11) and a towing rod (12) arranged at the front middle of the chassis body (11), characterized in that: The invention also comprises two wheels (13) and a plurality of telescopic legs (14), one end of the wheel (13) being provided with a wheel axle (131) protruding therefrom, and the wheel (13) being rotatably mounted on the wheel axle (131), a plug-in tube (111) being arranged in the middle of the chassis body (11) along the left-right direction, the two wheels (13) being respectively arranged on the two sides of the chassis body (11), and the two wheel axles (131) being respectively detachably plugged into the two ends of the plug-in tube (111), and a plurality of telescopic legs (14) being arranged on both the left and right sides of the chassis body (11), the telescopic ends of the plurality of telescopic legs (14) facing downward, the plurality of telescopic legs (14) being extended to lift the chassis body (11) until the wheel (13) is off the ground, or after the wheel (13) is removed, the telescopic legs (14) are retracted until the chassis body (11) falls to the ground.
2. The hauling chassis according to claim 1, characterized in that: Four telescopic legs (14) are provided, and one telescopic leg (14) is provided at each of the four corners of the chassis body (11).
3. The hauling chassis according to claim 1, characterized in that: A plurality of feet (112) are also provided at the lower end of the chassis body (11).
4. The hauling chassis according to claim 3, characterized in that: The pad feet (112) are leveling screws.
5. The towing chassis according to claim 3 or 4, characterized in that: Four of the pads (112) are provided, and the four pads (112) are respectively provided at four corners of the chassis body (11).
6. The hauling chassis according to claim 1, characterized in that: The invention also comprises two plug pins (15), the two ends of the plug tube (111) protrude outside the chassis body (11), and the two ends of the plug tube (111) are both provided with first pin holes (1111) penetrating the tube wall, the wheel axle (131) is provided with a second pin hole (1311), and the wheel axle (131) is inserted into the plug tube (111), and the second pin hole (1311) is aligned with the first pin hole (1111) at the corresponding end and one of the plug pins (15) is inserted.
7. The hauling chassis according to claim 6, characterized in that: The wheel axle (131) is provided with a plurality of second pin holes (1311) at even intervals along its length direction; the wheel axle (131) is inserted into the plug tube (111), and any one of the second pin holes (1311) is aligned with the first pin hole (1111) at the corresponding end and a plug pin (15) is inserted to adjust the wheelbase between the two wheels (13).
8. The hauling chassis according to claim 1, characterized in that: The plug-in tube (111) is a square tube, and one end of the wheel axle (131) plugged into the plug-in tube (111) is a square rod matched with the plug-in tube (111).
9. A mobile pump station, characterized in that: It comprises a pump body (2), a power piece (3) and a towing chassis (1) as claimed in any one of claims 1 to 8, wherein the pump body (2) and the power piece (3) are both mounted on the chassis body (11), and the pump body (2) is transmission-connected to the power piece (3).
10. The mobile pump station according to claim 9, characterized in that: The power component (3) is a diesel engine or a gasoline engine.
Citation Information
Patent Citations
Underwater robot laying system for fire rescue
CN116216537A
Angle-adjustable trailer chassis
CN210149583U