Steering device of crawler-type curb slip form machine

Abstract

The utility model discloses a steering device of a crawler-type curb slip form machine, which comprises a first steering control rod and a second steering control rod, a first hydraulic cylinder and a second hydraulic cylinder are respectively arranged at two ends of the first steering control rod, and a third hydraulic cylinder and a fourth hydraulic cylinder are respectively arranged at two ends of the second steering control rod. And the first steering control rod and the second steering control rod are connected with a transmission device of the crawler-type curb slip form machine. According to the steering device of the crawler-type curb slip form machine, the four independent hydraulic cylinders drive the crawler-type wheels to achieve steering, and compared with traditional two-wheel driving, controllability is higher, and steering and operation can be more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction machinery, in particular to a steering device of a crawler type curbstone slipform machine. Background Art

[0002] The material of curbstone is mainly prefabricated paving cement concrete, which not only has low operating efficiency and high labor intensity in paving operation, but also high cost and long production cycle of prefabricated cement concrete curbstone. The paving operation is difficult to guarantee the quality of the later project and misalignment often occurs. In view of the engineering use value of curbstone slipform machines, promoting the use of low-cost curbstone paving machinery is an urgent problem that needs to be solved.

[0003] The significance of the research on the curb slipform machine is to improve the quality of curb paving, reduce production costs and special operation cycles, improve operation stability, and thus reduce the road maintenance and engineering operation cycles, to a certain extent protect the road surface from being squeezed and deformed, and increase the effective use cycle of the road surface. It plays an irreplaceable role in the promotion of slipform machine technology, especially in the hardening of rural roads, giving full play to the advantages of mechanized operations, improving special operation efficiency, and reducing interference caused by road conditions. Traditional curb slipform machines usually adopt a two-wheel or four-wheel design, and their steering system or device is only suitable for wheel steering, not for crawler curb slipform machines. For crawler curb slipform machines, it is necessary to design their own steering system or device to achieve flexible steering. Utility Model Content

[0004] Therefore, one purpose of the utility model is to provide a steering device for a crawler-type curbstone slipform machine to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A steering device of a crawler-type curb slipform machine comprises a first steering control rod and a second steering control rod, wherein the first steering control rod is provided with a first hydraulic cylinder and a second hydraulic cylinder at both ends, and the second steering control rod is provided with a third hydraulic cylinder and a fourth hydraulic cylinder at both ends, and the first steering control rod and the second steering control rod are connected to a transmission device of the crawler-type curb slipform machine.

[0007] Furthermore, the steering device also includes a first hydraulic pump, a second hydraulic pump, a third hydraulic pump, a fourth hydraulic pump and an oil tank, the first hydraulic cylinder is connected to the oil tank through the first hydraulic pump, the second hydraulic cylinder is connected to the oil tank through the second hydraulic pump, the third hydraulic cylinder is connected to the oil tank through the third hydraulic pump, and the fourth hydraulic cylinder is connected to the oil tank through the fourth hydraulic pump.

[0008] Furthermore, a first automatic hydraulic valve is provided between the first hydraulic cylinder and the first hydraulic pump, a second automatic hydraulic valve is provided between the second hydraulic cylinder and the second hydraulic pump, a third automatic hydraulic valve is provided between the third hydraulic cylinder and the third hydraulic pump, and a fourth automatic hydraulic valve is provided between the fourth hydraulic cylinder and the fourth hydraulic pump.

[0009] Furthermore, the steering device also includes a controller, which includes a hydraulic valve control unit, and the hydraulic valve control unit is connected to the first automatic hydraulic valve, the second automatic hydraulic valve, the third automatic hydraulic valve and the fourth automatic hydraulic valve.

[0010] Furthermore, the controller also includes a hydraulic cylinder control unit, and the hydraulic cylinder control unit is connected to the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder and the fourth hydraulic cylinder.

[0011] Furthermore, the controller also includes a hydraulic pump control unit, and the hydraulic pump control unit is connected to the first hydraulic pump, the second hydraulic pump, the third hydraulic pump and the fourth hydraulic pump.

[0012] Furthermore, the hydraulic valve control unit includes a hydraulic valve switch subunit and a hydraulic valve opening subunit.

[0013] Therefore, the utility model has the following beneficial effects:

[0014] The utility model discloses a steering device for a crawler-type curb slipform machine. The steering device drives crawler-type wheels through four independent hydraulic cylinders to achieve steering. Compared with the traditional two-wheel drive, the steering device has stronger controllability and can steer and operate more accurately.

[0015] By driving the crawler wheels through the steering device of the utility model, the steering of the curb slipform machine can be controlled more flexibly, thereby improving the accuracy and efficiency of the operation.

[0016] By driving the crawler wheels through the steering device of the utility model, the traction of the curb slipform machine can be increased, and the ability to pass through different road conditions, such as ramps, muddy ground, etc. can be improved.

[0017] By driving the crawler wheels through the steering device of the utility model, the stability of the curb slipform machine during steering can be improved, and the risks of rollover and loss of control can be reduced.

[0018] By driving the crawler wheels through the steering device of the utility model, the curb slipform machine is applicable to more complex terrains and environments, thereby improving its versatility and practicality.

[0019] By driving the crawler wheels through the steering device of the utility model, the curb slipform machine can complete the work task more quickly and flexibly, thereby improving the production efficiency and the operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a crawler-type curbstone slipform machine according to an embodiment of the utility model;

[0021] Figure 2 It is a front view of a crawler-type curbstone slipform machine according to an embodiment of the utility model;

[0022] Figure 3 It is a side view of the crawler type curb slipform machine of the embodiment of the utility model;

[0023] Figure 4 It is a top view of the crawler type curb slipform machine of the embodiment of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the crawler type curb slipform machine of the utility model embodiment without the outer shell, the drive chamber and the protective shell;

[0025] Figure 6 It is a front view of the crawler type curb slipform machine of the embodiment of the utility model without the outer shell, the drive chamber and the protective shell;

[0026] Figure 7 This is a schematic diagram of the structure of the transmission device + crawler wheel of the embodiment of the utility model;

[0027] Figure 8 It is a top view of the transmission device + crawler wheel of the embodiment of the utility model;

[0028] Fig. 9 yes Figure 7 Enlarged view of point A in the middle;

[0029] Fig.10 This is a schematic diagram of the structure of the transmission device + steering device + crawler wheel of the embodiment of the utility model;

[0030] Fig.11 It is a top view of the transmission device + steering device + crawler wheel of the embodiment of the utility model.

[0031] In the figure: 1. crawler wheel; 2. crawler; 3. fixed long block; 4. first gear; 5. wheel; 6. fixed frame; 7. pulley; 8. drive chamber; 9. generator; 10. engine; 11. transmission shaft; 12. fixed plate; 13. first differential; 14. first steering control lever; 15. first hydraulic cylinder; 16. oil tank; 17. base; 18. bottom frame; 19. mud storage box; 20. stirring device; 21. hydraulic lift; 22. telescopic beam; 23. lifting shaft; 24. support frame; 25. bottom plate; 26. protective net ; 27. Protective shell; 28. Water tank; 29. ​​Transmission gear; 30. First fixed wheel; 31. First hole wheel; 32. First round sleeve; 33. First sleeve; 34. First wheel plate; 111: First transmission shaft; 112. Second transmission shaft; 113. Third transmission shaft; 35. First universal joint; 36. Second universal joint; 37. Third universal joint; 38. Fourth universal joint; 39. Second differential; 40. Gear limit block; 41. Second steering control lever; 42. Second hydraulic cylinder; 43. Third hydraulic cylinder; 44. Fourth hydraulic cylinder. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The utility model aims to realize the transformation of a four-wheel drive crawler type curb slipform machine, realize the operation of a four-wheel drive crawler type curb slipform machine, improve the working efficiency of the four-wheel drive crawler type curb slipform machine, further promote the cooperation of its automatic control function, and complete the construction and maintenance of roads. In the process of outdoor tasks, it can not only realize the production and laying of high-quality curb molds with higher precision, more stability and more reliability, but also ensure the safety of the task work.

[0035] like Figure 1-Figure 11As shown, a crawler type curb slipform machine includes a driving device, a transmission device, a steering device and a moving device. The driving device is connected to the transmission device, the transmission device is connected to the moving device, and the steering device is connected to the transmission device. The moving device is a crawler wheel 1. There are four groups of crawler wheels 1, which are respectively arranged on both sides of the bottom of the curb slipform machine. The first crawler wheel 1 includes a crawler 2. The crawler 2 is connected end to end to form a closed triangle. A first gear 4 and a fixed long block 3 are arranged in the triangle surrounded by the crawler 2. The first gear 4 is meshed with the crawler 2. The fixed long block 3 is horizontally arranged. A plurality of wheels 5 are arranged below the fixed long block 3 and between the crawler 2. The top of the fixed long block 3 is connected to the first gear 4 through a fixing frame 6. A pulley 7 is arranged at one end of the fixed long block 3.

[0036] The utility model discloses a crawler-type curb slipform machine, which adopts four independent crawler wheels 1 as a moving device. The crawler design can provide better traction and passability, and thus has more advantages in complex terrains. Due to the crawler design, its passability and stability are usually better than those of traditional wheel designs. The crawler can better adapt to various terrains, including muddy, rugged or uneven ground, thereby improving the adaptability and stability of the curb slipform machine on the construction site.

[0037] like Figure 6 As shown, as an embodiment, the track 2 of the crawler wheel 1 forms a closed triangle, more specifically an isosceles triangle, the three angles of the triangle are rounded, the first gear 4 is located at the vertex of the isosceles triangle, the first gear 4 is meshed with the inner surface of the track 2, and the rotation of the first gear 4 drives the track 2 to move.

[0038] A plurality of wheels 5 are arranged between the lower part of the fixed long block 3 and the crawler track 2. Figure 6 As shown, there are five groups of wheels 5, and the five groups of wheels 5 have the same size and structure. Each group of five consists of two wheels and an axle. The axle connects the two wheels, and the fixed long block 3 is connected to the axle.

[0039] The first gear 4 is connected to the fixed long block 3 through the fixed frame 6 , and the pulley 7 is connected to the fixed long block 3 through the fixed plate 12 .

[0040] As an implementation manner, the fixing frame 6, the fixing long block 3 and the fixing plate 12 are all made of metal.

[0041] As an implementation mode, the fixing frame 6, the fixing long block 3 and the fixing plate 12 are integrated.

[0042] As an implementation mode, the fixing frame 6, the fixing long block 3 and the fixing plate 12 are connected by welding.

[0043] There are four groups of crawler wheels 1, namely the first crawler wheel 1, the second crawler wheel 1, the third crawler wheel 1, and the fourth crawler wheel 1. The first crawler wheel 1 includes a first gear 4, the second crawler wheel 1 includes a second gear, the third crawler wheel 1 includes a third gear, and the fourth crawler wheel 1 includes a fourth gear. The structures of the first crawler wheel 1, the second crawler wheel 1, the third crawler wheel 1, and the fourth crawler wheel 1 are exactly the same, and the structures of the second crawler wheel 1, the third crawler wheel 1, and the fourth crawler wheel 1 are not repeated here.

[0044] like Figure 1 , Figure 3 and Figure 5 As shown, the driving device includes a driving chamber 8, in which a generator 9 and an engine 10 are arranged. The engine 10 is connected to the generator 9, and the engine 10 is connected to the transmission device.

[0045] like Figure 1 As shown, the driving room 8 is located at one end of the crawler-type curb slipform machine, and protective nets 26 are provided on both sides of the driving room 8. The overall shape of the driving room 8 is a rectangular parallelepiped or a cube.

[0046] like Figure 7 , Figure 8 and Fig. 9 As shown, the transmission device includes a transmission shaft, which is connected to the engine 10 through a transmission, and the transmission shaft is connected to a differential, which is connected to the tracked wheel 1.

[0047] Specifically, Figure 8 As shown, there are two transmission shafts, which are respectively connected to two differentials, and each differential is respectively connected to the crawler wheels 1 on both sides. A transmission gear 29 is provided at the connection between the two transmission shafts, and the transmission shaft is connected to a transmission through the transmission gear 29, and the transmission is connected to the engine 10, so that the engine 10 drives the crawler wheels 1.

[0048] The differential can enable the crawler wheels 1 on both sides to roll at different speeds, and the differential drives the crawler wheels 1 by driving the first gear 4 to rotate.

[0049] Specifically, Fig. 9 As shown, there are connecting shafts on both sides of the differential, and the connecting shafts are connected to the first gear 4 through the first fixed wheel 30, the first hole wheel 31, the first round shaft sleeve 32, the first shaft sleeve 33, and the first wheel plate 34.

[0050] The engine 10 is connected to the transmission gear 29 through the transmission. The engine 10 drives the transmission gear 29 to rotate through the transmission to drive the two transmission shafts, and then the transmission shaft drives the differential. The differential drives the first gear 4 of the left and right crawler wheels 1 to distribute power to the crawler wheels 1 on both sides.

[0051] Specifically, Figure 7 , Figure 8 and Fig. 9 As shown, the transmission device includes a first transmission shaft 111, a second transmission shaft 112 and a third transmission shaft 113, one end of the first transmission shaft 111 is connected to one end of the third transmission shaft 113 through a first universal joint 35, one end of the second transmission shaft 112 is connected to the other end of the third transmission shaft 113 through a second universal joint 36, the other end of the first transmission shaft 111 is connected to the first differential 13 through a third universal joint 37, and the other end of the second transmission shaft 112 is connected to the second differential 39 through a fourth universal joint 38.

[0052] A transmission gear 29 is disposed in the middle of the third transmission shaft 113 , and gear limit blocks 40 are disposed on both sides of the transmission gear 29 .

[0053] like Fig. 9 One end of the first differential 13 is connected to the first fixed wheel 30 through the first connecting shaft, a first hole wheel 31 is provided on the side of the first fixed wheel 30 away from the first differential 13, a first round sleeve 32 is provided on the side of the first hole wheel 31 away from the first fixed wheel 30, a first sleeve 33 is provided on the side of the first round sleeve 32 away from the first hole wheel 31, a first wheel disc 34 is provided on the side of the first sleeve 33 away from the first round sleeve 32, and a first gear 4 is provided on the side of the first wheel disc 34 away from the first sleeve 33.

[0054] The other end of the first differential 13 is connected to a second fixed wheel via a second connecting shaft, a second hole wheel is provided on a side of the second fixed wheel away from the second differential 39, a second round sleeve is provided on a side of the second hole wheel away from the second fixed wheel, a second sleeve is provided on a side of the second round sleeve away from the second hole wheel, a second wheel disc is provided on a side of the second sleeve away from the second round sleeve, and a second gear is provided on a side of the second wheel disc away from the second sleeve.

[0055] One end of the second differential 39 is connected to the third fixed wheel through the third connecting shaft, the third fixed wheel is provided with a third hole wheel on the side away from the second differential, the third hole wheel is provided with a third round sleeve on the side away from the third fixed wheel, the third round sleeve is provided with a third sleeve on the side away from the third hole wheel, the third sleeve is provided with a third wheel disc on the side away from the third round sleeve, and the third gear is provided on the side of the third wheel disc away from the third sleeve.

[0056] The other end of the second differential 39 is connected to a fourth fixed wheel through a fourth connecting shaft, a fourth hole wheel is provided on a side of the fourth fixed wheel away from the second differential, a fourth round sleeve is provided on a side of the fourth hole wheel away from the fourth fixed wheel, a fourth sleeve is provided on a side of the fourth round sleeve away from the fourth hole wheel, a fourth wheel disc is provided on a side of the fourth sleeve away from the fourth round sleeve, and a fourth gear is provided on a side of the fourth wheel disc away from the fourth sleeve.

[0057] Since the structures and connection methods of the fixed wheel, hole wheel, round shaft sleeve, shaft sleeve, and wheel disc are the same, only the Fig. 9 The schematic diagram of the structure of the first fixed wheel 30, the first hole wheel 31, the first round sleeve 32, the first sleeve 33, and the first wheel disc 34. The structures of the second fixed wheel, the second hole wheel, the second round sleeve, the second sleeve, the second wheel disc, the third fixed wheel, the third hole wheel, the third round sleeve, the third sleeve, the third wheel disc, the fourth fixed wheel, the fourth hole wheel, the fourth round sleeve, the fourth sleeve, and the fourth wheel disc are not described in detail. Fig. 9 That's it.

[0058] The transmission gear 29 is connected to the motor via a speed reducer.

[0059] The working principle of the transmission device is as follows: the engine 10 generates power, the speed and torque are adjusted by the transmission, and then transmitted to the transmission shaft; the transmission shaft transmits the power to the differential, and the differential distributes the power to the four crawler wheels 1 through the differential principle, so that each crawler wheel 1 can get the corresponding power; the crawler wheels 1 are driven by power, so that the curb slipformer can travel and work. At the same time, the four-wheel drive system ensures that each crawler wheel 1 can obtain sufficient traction under different road conditions, thereby improving the passing ability and stability of the whole machine.

[0060] The differential is the core component of the four-wheel drive system, which can achieve reasonable distribution of power, ensure that each track can obtain appropriate driving force, and improve the passability and controllability of the entire machine.

[0061] The drive shaft needs to withstand high torque and speed requirements, while having sufficient strength and durability to ensure the reliability of power transmission.

[0062] The transmission needs to have a multi-speed shifting function, which can flexibly adjust the speed and torque output according to different working conditions and road conditions, so as to improve the adaptability and efficiency of the whole machine.

[0063] As the output component of the transmission system, the track needs to have good grip, wear resistance and load-bearing capacity, and be able to adapt to working requirements under various road conditions.

[0064] The transmission device can be equipped with an effective power output control system, which can achieve precise power regulation and distribution, and improve the stability and controllability of the whole machine.

[0065] The transmission device of the crawler-type curb slipform machine of the utility model replaces the traditional hydraulic transmission system with an electric drive system, which can reduce energy loss, improve efficiency, and have a faster response speed; four-wheel drive is achieved through four independently driven crawlers, which improves the passability and controllability of the machine and makes it more suitable for complex road construction environments.

[0066] like Fig.10 and Fig.11 As shown, the steering device includes a steering control rod and a hydraulic pump. The steering control rod is connected to the crawler wheel 1. The hydraulic pump is connected to the oil tank 16 and the hydraulic cylinder. The hydraulic cylinder is connected to the steering control rod.

[0067] Specifically, the steering control lever is arranged above the differential, the steering control lever is connected to the tracked wheel 1 through the differential, and a hydraulic cylinder is connected to each side of the steering control lever, the hydraulic cylinder is connected to the hydraulic pump, and the hydraulic pump (not shown in the figure) connects the oil tank 16 and the hydraulic cylinder.

[0068] Specifically, the steering device includes a first steering control rod 14 and a second steering control rod 41. The first steering control rod 14 is provided with a first hydraulic cylinder 15 and a second hydraulic cylinder 42 at both ends, and the second steering control rod 41 is provided with a third hydraulic cylinder 43 and a fourth hydraulic cylinder 44 at both ends. The first steering control rod 14 and the second steering control rod 41 are connected to the transmission device of the crawler curb slipform machine.

[0069] Specifically, the first steering control rod 14 and the second steering control rod 41 are respectively arranged on the first differential 13 and the second differential 39 of the transmission device, and are connected to the connecting shafts on both sides of the first differential 13 and the second differential 39, so as to control the steering of the crawler curb slipform machine.

[0070] The steering device also includes a first hydraulic pump, a second hydraulic pump, a third hydraulic pump, a fourth hydraulic pump and an oil tank 16. The first hydraulic cylinder 15 is connected to the oil tank 16 via the first hydraulic pump, the second hydraulic cylinder 42 is connected to the oil tank 16 via the second hydraulic pump, the third hydraulic cylinder 43 is connected to the oil tank 16 via the third hydraulic pump, and the fourth hydraulic cylinder 44 is connected to the oil tank 16 via the fourth hydraulic pump.

[0071] A first automatic hydraulic valve is provided between the first hydraulic cylinder 15 and the first hydraulic pump, a second automatic hydraulic valve is provided between the second hydraulic cylinder 42 and the second hydraulic pump, a third automatic hydraulic valve is provided between the third hydraulic cylinder 43 and the third hydraulic pump, and a fourth automatic hydraulic valve is provided between the fourth hydraulic cylinder 44 and the fourth hydraulic pump.

[0072] The steering device also includes a controller, which includes a hydraulic valve control unit, and the hydraulic valve control unit is connected to the first automatic hydraulic valve, the second automatic hydraulic valve, the third automatic hydraulic valve and the fourth automatic hydraulic valve.

[0073] The controller further includes a hydraulic cylinder control unit, which is connected to the first hydraulic cylinder 15 , the second hydraulic cylinder 42 , the third hydraulic cylinder 43 and the fourth hydraulic cylinder 44 .

[0074] The controller also includes a hydraulic pump control unit, which is connected to the first hydraulic pump, the second hydraulic pump, the third hydraulic pump and the fourth hydraulic pump.

[0075] The hydraulic valve control unit includes a hydraulic valve switch subunit and a hydraulic valve opening subunit.

[0076] The utility model discloses a steering device for a crawler-type curbstone slipform machine. The steering device drives crawler-type wheels 1 through four independent hydraulic cylinders to achieve steering. Compared with the traditional two-wheel drive, the steering device has stronger controllability and can steer and operate more accurately.

[0077] By driving the crawler wheel 1 through the steering device of the utility model, the steering of the curb slipform machine can be controlled more flexibly, thereby improving the accuracy and efficiency of the operation.

[0078] By driving the crawler wheel 1 through the steering device of the utility model, the traction of the curb slipform machine can be increased, and the ability to pass through different road conditions, such as ramps, muddy ground, etc. can be improved.

[0079] By driving the tracked wheel 1 through the steering device of the utility model, the stability of the curb slipform machine during steering can be improved, and the risk of rollover and loss of control can be reduced.

[0080] By driving the crawler wheel 1 through the steering device of the utility model, the curb slipform machine is applicable to more complex terrains and environments, thereby improving its versatility and practicality.

[0081] By driving the crawler wheel 1 through the steering device of the utility model, the curb slipform machine can complete the work task more quickly and flexibly, thereby improving the production efficiency and the operation efficiency.

[0082] The utility model realizes steering through four independent driving wheels, and compared with the traditional two-wheel drive system or device, it has stronger controllability and can steer and operate more accurately.

[0083] The four-wheel drive system of the utility model has stronger traction and grip, can pass through complex road conditions and obstacles more easily, and has better passing ability than traditional systems or devices.

[0084] The four-wheel drive steering device design of the utility model can improve the stability of the curb slipform machine when turning, reduce the risk of rollover and loss of control, and is safer and more reliable than traditional systems or devices.

[0085] The four-wheel drive crawler type steering device of the utility model is suitable for more complex terrains and environments, such as muddy land, steep slopes, etc., and has a wider scope of application.

[0086] The four-wheel drive steering device of the utility model can utilize power more effectively, reduce energy consumption costs, and has higher energy consumption efficiency than traditional systems or devices.

[0087] The design of the four-wheel drive steering device of the utility model can reduce the wear and mechanical stress of components, reduce the maintenance and repair costs, and has lower maintenance costs compared with traditional systems or devices.

[0088] like Figure 1-Figure 5 As shown, it also includes a base 17, which is arranged above the transmission device and the steering device. The base 17 includes a base frame 18 and an outer shell. The outer shell is laid on the outer surface of the base frame 18, and the drive chamber 8 is arranged on the base 17.

[0089] like Figure 1-Figure 6 As shown, the utility model further includes a mud storage box 19 , in which a stirring device 20 is arranged. The mud storage box 19 is connected to the base 17 and is arranged at one end away from the driving chamber 8 .

[0090] The stirring device 20 is specifically a spiral stirring device 20 .

[0091] As an implementation mode, the spiral stirring device 20 may be manual, and the spiral stirring device 20 may be driven to work by manually shaking the hand wheel.

[0092] As an implementation mode, the spiral stirring device 20 may be automatic, and the spiral stirring device 20 is connected to the generator 9, and the spiral stirring device 20 is driven by electric energy to work.

[0093] like Figure 1 , Figure 2 and Figure 3 As shown, it also includes a hydraulic lift 21, which is connected to the base 17 through a telescopic beam 22. The hydraulic lift 21 is connected to a lifting shaft 23, and the two ends of the lifting shaft 23 are respectively connected to a support frame 24 and a bottom plate 25.

[0094] like Figure 1 Protection is provided on both sides of the driving room 8. The protection net 26 can protect the equipment in the driving room 8 on the one hand, and also facilitate the heat generated by the engine 10, generator 9 and other equipment to be dissipated to the outside world.

[0095] like Figure 1The outer side of the crawler wheel 1 is provided with a protective shell 27. The protective shell 27 protects the internal structure of the crawler wheel 1.

[0096] like Figure 3 As shown, a water tank 28 is also included. The oil tank 16 is arranged on one side below the base 17, and the water tank 28 is arranged on the other side below the base 17. The water tank 28 and the oil tank 16 are arranged opposite to each other.

[0097] The working process of a four-wheel drive crawler type curb slipform machine of the utility model embodiment includes: preliminary work - before carrying out the task, raw materials must be prepared, mainly concrete, which is usually a mixture of cement, sand, crushed stone and other raw materials, and the slipform machine and related auxiliary equipment must be pre-started; mixed raw materials - put the prepared raw materials into the concrete mixer at the rear side for mixing, and ensure uniform mixing to ensure the quality of the final product; pouring mold - the mixed concrete is poured from the lower side of the spiral conveyor into the mold of the curb slipform machine from the lower side of the spiral conveyor. The mold is mainly a rectangular parallelepiped, and can also be produced separately according to curbs of different shapes and sizes; vibration compaction - once the mold is filled with concrete, the slipform machine will start the vibration device to help the concrete be evenly distributed in the mold and expel the air. At the same time, there will also be a compaction device to compact the concrete to ensure the density and strength of the curb; demoulding - after a certain period of vibration and compaction, the concrete is solidified and can be demoulded. During the demoulding process, the curbstone is usually removed from the mold using special tools or devices, which requires care to avoid damaging the newly formed curbstone; Curing - The curbstone needs to be cured for a certain period of time after demoulding to ensure that it meets the design strength and quality requirements. During the curing period, it may be necessary to wet it or store it under specific environmental conditions to maintain the appropriate humidity and temperature of the concrete.

[0098] A four-wheel drive crawler type curb slipform machine in an embodiment of the utility model, the automated machinery can perform tasks at a higher speed and precision, faster and more stable than manual operation, thereby improving production efficiency. This is particularly important for manufacturing, logistics and transportation and other fields. Although the purchase and maintenance costs of automated machinery may be high, they can reduce overall costs in the long run by reducing labor costs, improving resource utilization and reducing errors and waste. Automated machinery can perform tasks in a consistent manner, reducing the interference of human factors, so that more consistent and high-quality products can be produced, thereby improving customer satisfaction and brand reputation. Automated machinery can replace manual labor to perform tasks in dangerous or harsh working environments, reducing the risk of personnel being exposed to hazardous substances or environments, and improving work safety. Automated machinery usually has high flexibility and can be designed and adjusted as needed to adapt to different production needs and work scenarios, thereby improving the diversity and flexibility of production. Automated machinery can usually use resources more efficiently and reduce the waste of energy and materials.

[0099] Therefore, the four-wheel drive crawler type curb slipform machine of the embodiment of the utility model has at least the following beneficial effects:

[0100] First, from the perspective of the mechanical operation drive mode: traditional curb slipform machines usually adopt a two-wheel drive or four-wheel drive design, while the utility model four-wheel drive crawler curb slipform machine uses four independent crawlers as mobile devices; traditional curb slipform machines may not be able to travel effectively in certain terrains or environments due to insufficient wheel grip, while the four-wheel drive crawler curb slipform machine has more advantages in complex terrains because the crawler design can provide better traction and passability.

[0101] Secondly, from the perspective of mechanical working passability and stability: the traditional curb slipformer may affect the stability and safety of operation due to tire slippage or jamming under certain road conditions; the utility model four-wheel drive crawler curb slipformer adopts crawler design, and its passability and stability are usually better than the traditional wheel design. The crawler can better adapt to various terrains, including muddy, rugged or uneven ground, thereby improving the adaptability and stability of the machine on the construction site.

[0102] Thirdly, from the perspective of mechanical practical control and maneuverability: the traditional curb slipformer may have poor maneuverability in narrow construction sites or complex environments due to the limitations of the body design or drive system, and cannot flexibly cope with various work scenarios; the utility model four-wheel drive crawler curb slipformer usually has better controllability and maneuverability, and can be operated in narrow construction sites or complex environments. Its steering device design is more flexible and can achieve a smaller radius of turn, thereby improving the flexibility and accuracy of operation.

[0103] Finally, from the perspective of mechanical work efficiency and production capacity: traditional curb slipform machines may be limited in certain complex environments, resulting in low work efficiency and inability to complete specific tasks; compared with four-wheel drive crawler curb slipform machines, they have better passability, stability and maneuverability, so they can work efficiently in various environments and working conditions, thereby improving work efficiency and production capacity.

[0104] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0105] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific implementation method part of the above specification and the various parts shown in the drawings. Due to the limited space and to make the specification concise, the various schemes composed of these combinations are not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0106] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steering device for a crawler type curbstone slipform machine, characterized in that: It includes a first steering control rod and a second steering control rod, wherein the first steering control rod is provided with a first hydraulic cylinder and a second hydraulic cylinder at both ends, and the second steering control rod is provided with a third hydraulic cylinder and a fourth hydraulic cylinder at both ends, and the first steering control rod and the second steering control rod are connected to a transmission device of a crawler curb slipform machine.

2. The steering device of a crawler type curbstone slipform machine according to claim 1, characterized in that: It also includes a first hydraulic pump, a second hydraulic pump, a third hydraulic pump, a fourth hydraulic pump and an oil tank. The first hydraulic cylinder is connected to the oil tank through the first hydraulic pump, the second hydraulic cylinder is connected to the oil tank through the second hydraulic pump, the third hydraulic cylinder is connected to the oil tank through the third hydraulic pump, and the fourth hydraulic cylinder is connected to the oil tank through the fourth hydraulic pump.

3. The steering device of a crawler type curbstone slipform machine according to claim 2, characterized in that: A first automatic hydraulic valve is provided between the first hydraulic cylinder and the first hydraulic pump, a second automatic hydraulic valve is provided between the second hydraulic cylinder and the second hydraulic pump, a third automatic hydraulic valve is provided between the third hydraulic cylinder and the third hydraulic pump, and a fourth automatic hydraulic valve is provided between the fourth hydraulic cylinder and the fourth hydraulic pump.

4. The steering device of a crawler type curbstone slipform machine according to claim 3, characterized in that: It also includes a controller, which includes a hydraulic valve control unit, and the hydraulic valve control unit is connected to the first automatic hydraulic valve, the second automatic hydraulic valve, the third automatic hydraulic valve and the fourth automatic hydraulic valve.

5. The steering device of a crawler type curbstone slipform machine according to claim 4, characterized in that: The controller further comprises a hydraulic cylinder control unit connected to the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder and the fourth hydraulic cylinder.

6. The steering device of a crawler type curbstone slipform machine according to claim 4, characterized in that: The controller further includes a hydraulic pump control unit connected to the first hydraulic pump, the second hydraulic pump, the third hydraulic pump and the fourth hydraulic pump.

7. A steering device for a crawler type curbstone slipform machine according to any one of claims 4 to 6, characterized in that: The hydraulic valve control unit includes a hydraulic valve switch subunit and a hydraulic valve opening subunit.

Images