WO2021077688A1

WO2021077688A1 - Track bed concrete pouring tank truck for direct pouring without transfer

Info

Publication number: WO2021077688A1
Application number: PCT/CN2020/083867
Authority: WO
Inventors: 范文清; 刘元胜; 吴超; 徐明发; 杜代金; 唐欣文; 陈柯; 钱琨
Original assignee: 中铁上海工程局集团有限公司; 中铁上海工程局集团华海工程有限公司
Priority date: 2019-10-23
Filing date: 2020-04-09
Publication date: 2021-04-29
Also published as: CN212022226U; DE202020102896U1

Abstract

Provided is a track bed concrete pouring tank truck for direct pouring without transfer, which comprises a stirring structure and a chassis structure, wherein the chassis structure comprises a frame (1-4), the lower side of the frame (1-4) is provided with a front wheel set (1-3) and a rear wheel set (1-12), the front side of the front wheel set (1-3) is also provided with a front rail row steel wheel assembly (3-1), the rear side of the rear wheel set (1-12) is also provided with a rear rail row steel wheel assembly (3-2); the concrete pouring tank truck combination structure is simple and feasible, easy to assemble and disassemble, and capable of converting walking wheel sets by adopting a multi-wheel set structure so as to realize normal walking on a road, a standard main line rail, a tunnel pipe wall and a rail row supported by a rail adjusting support, and a specific amount of the concrete can be directly conveyed from a discharge port to a concrete pouring operation surface through the tank truck, thereby eliminating many complicated procedures in the traditional bucket pouring process and concrete pumping.

Description

Track-bed concrete pouring tank wagon capable of direct pouring without transfer

Technical field

The utility model relates to the technical field of track engineering, in particular to a track bed concrete pouring tank wagon without transfer and direct pouring.

Background technique

At present, in the concrete construction of domestic urban track bed, bucket concrete or concrete ground pump is mostly used for the concrete pouring operation of the track bed. Bucket pouring is to first introduce the concrete pump truck or feeding pipe into the concrete mixing tank on the flatbed from the concrete mixing truck at the discharge port, and use the rail car to drag the flatbed to transport the concrete mixing tank on the flatbed to the working surface. Pour the concrete into the ash hopper, and transport the ash hopper to the working surface by the track laying machine. The concrete capacity of the hopper is small, and it needs to be transported many times, which is time-consuming. Long-distance transportation of concrete is easy to segregate; concrete pumping starts with unloading The concrete mixer truck at the mouth leads the concrete pump truck or feeding pipe into the concrete mixing tank on the flatbed truck, and the flatbed truck with the concrete mixing tank is driven by the rail car to transport the concrete to the end of the working surface, and then the ground pump is used for pumping , And the concrete pumping operation is complicated, and the pump pipe needs to be disassembled, assembled and lubricated during the operation, which is prone to pipe blockage, which is labor-intensive for the operators; whether it is bucket pouring, concrete pumping, concrete transportation Trucks are only used as transportation equipment for transferring concrete on the ground, and most other places use concrete mixing tanks with corresponding transportation equipment.

Utility model content

The purpose of the utility model is to solve the shortcomings of the prior art and provide a track bed concrete pouring tank wagon without transfer and direct pouring, which can run normally on highways, and can also walk on standard main tracks, and can walk during concrete pouring operations. On the rail row after the rail adjustment and erection are completed, the construction efficiency is better than the bucket pouring and concrete pumping, which eliminates the process of intermediate ballast bed concrete transfer.

In order to achieve the above purpose, a track bed concrete pouring tanker with no transfer and direct pouring is designed, including a mixing structure and a chassis structure. The chassis structure includes a frame, and the lower side of the frame is provided with a front wheel set and a rear wheel. The front side of the front wheel set is also provided with a front rail running steel wheel assembly, and the rear side of the rear wheel set is also provided with a rear rail running steel wheel assembly; the front rail running steel wheel assembly includes a front positioning The hydraulic cylinder, the front lifting hydraulic cylinder, the front rail rigid wheel set, the front rail steel wheel set axle and the front transmission lever arm. The front rail steel wheel set includes two front rail steel wheels connected to the front rail respectively. On both ends of the wheel axle of the front rail, one end of the front transmission lever is connected with the axle of the front rail, and the other end is connected with the lower end of the front positioning hydraulic cylinder, and the upper end of the front positioning hydraulic cylinder is fixed to the lower side of the frame , The rear side of the front positioning hydraulic cylinder is provided with a front lifting hydraulic cylinder whose upper end is fixed to the lower side of the frame, and the lower end of the front lifting hydraulic cylinder is connected to the middle of the front transmission lever arm; the rear rail steel wheel assembly It includes a rear positioning hydraulic cylinder, a rear lifting hydraulic cylinder, a rear rail rigid wheel set, a rear rail steel wheel set axle, and a rear transmission lever arm. The rear rail steel wheel set includes two rear rail steel wheels, respectively Connected to the two ends of the rear rail rigid wheel set axle, one end of the rear transmission lever arm is connected to the rear rail rigid wheel set axle, the other end is connected to the lower end of the rear positioning hydraulic cylinder, and the upper end of the rear positioning hydraulic cylinder is fixed to On the lower side of the frame, the rear side of the rear positioning hydraulic cylinder is provided with a rear lift hydraulic cylinder whose upper end is fixed to the lower side of the frame, and the lower end of the rear lift hydraulic cylinder is connected to the middle of the rear transmission lever arm.

The utility model also has the following preferred technical solutions:

The track-bed concrete pouring tank car with no transfer and direct pouring further includes a steering mechanism, the steering mechanism includes a steering gear and a steering fixing frame, the front wheel set is connected to the steering fixing frame, and the steering fixing frame Fixed on the lower side of the frame, the output end of the steering gear is connected with a steering rocker arm, the outer end of the steering rocker arm is connected with one end of the steering straight rod, and the other end of the steering straight rod is connected with one end of the left trapezoidal arm, so The front wheel set includes a front left wheel and a front right wheel. The left trapezoidal arm is connected to the front left wheel, the other end of the left trapezoidal arm is connected to the left end of the steering tie rod, and the right end of the steering tie rod is connected to one end of the right trapezoidal arm. The arm is connected with the front right wheel, and the connected steering rocker arm, the steering straight rod, the left trapezoidal arm, the steering tie rod, and the right trapezoidal arm constitute a steering linkage structure; the steering rocker arm is also connected to the hydraulic pressure of a hydraulic device. The valve is connected, the hydraulic device is connected with a shrinking cylinder, and the output end of the locking cylinder is connected to the connection between the steering straight rod and the left trapezoidal arm. When the steering rocker arm moves, it can synchronously drive the hydraulic valve to open. Closed, so as to control the expansion and contraction of the output end of the shrinking oil cylinder, the hydraulic valve is also connected with a control relay, and the control relay is used to control the hydraulic valve.

The hydraulic device includes a hydraulic pump and a hydraulic oil tank, and the hydraulic valve is respectively connected to the two oil inlet and outlet ports of the hydraulic pump, the hydraulic oil tank, and the shrinking oil cylinder through the hydraulic oil pipe.

The front left wheel and the front right wheel are respectively connected to the upper side of the steering fixed frame through a steering knuckle.

The steering gear is connected with the steering transmission shaft, and the steering transmission shaft is connected to the steering wheel after being connected to the steering shaft through a steering universal joint.

The two ends of the wheel axle of the front rail rigid wheel set are respectively provided with the front positioning hydraulic cylinder, the front lifting hydraulic cylinder, and the front transmission lever arm.

Both ends of the axle of the rear rail rigid wheel set are respectively provided with the rear positioning hydraulic cylinder, the rear lifting hydraulic cylinder, and the rear transmission lever arm.

The front wheel set and the rear wheel set adopt hollow pneumatic tires.

The agitating structure is arranged on the upper side of the frame and includes a water supply device, a hydraulic system, a mixing tank, a feeding device, an escalator, and a discharging device.

The said mixing tank is made by welding steel plates and is provided with spiral blades inside.

The beneficial effects of utility models

Compared with the prior art, the combined structure of the utility model is simple and feasible, easy to install and disassemble, and its advantages are:

1. It adopts a multi-wheel group structure, which can convert the walking wheel group to realize normal walking on highways, standard mainline tracks, tunnel walls, and rail rows supported by rail adjustment brackets.

2. It can directly transport a specific amount of concrete from the discharge port to the concrete pouring work surface by the tanker, eliminating the traditional bucket pouring technology and many complicated procedures in concrete pumping.

3. Compared with bucket pouring and concrete pumping, it saves a lot of personnel required in construction, reduces labor intensity, and reduces project construction costs.

Description of the drawings

Figure 1a is an overall schematic diagram of a track bed concrete pouring tanker in an embodiment;

Figure 1b is a right side view of a track bed concrete pouring tanker in an embodiment;

Figure 2 is a front view of the tunnel segment traveling of the track bed concrete pouring tanker in one embodiment;

Figure 3a is a front view of the main track of the track bed concrete pouring tanker in one embodiment;

Figure 3b is a right side view of the main track of the track bed concrete pouring tanker in one embodiment;

Fig. 4a is a front view of the structure of the rail steel wheel set that is raised and lowered back and forth in the ballast bed concrete pouring tanker in an embodiment;

Figure 4b is a left side view of the front rail steel wheel set of the track bed concrete pouring tank car in one embodiment;

Figure 4c is a right side view of the front rail steel wheel set of the track bed concrete pouring tank car in one embodiment;

Figure 5 is a simplified view of the steering mechanism of the front wheel set of the track bed concrete pouring tanker in one embodiment;

In the picture: 1-1. Rail steel wheels; 1-2. Body; 1-3. Front wheel set; 1-4. Frame; 1-5. Water supply device; 1-6. Hydraulic system; 1-7 .Mixing tank; 1-8. Lifting hydraulic cylinder; 1-9. Feeding device; 1-10. Escalator; 1-11. Discharging device; 1-12. Rear wheel set; 3-1. Front rail steel Wheel set; 3-2. Rear track steel wheel set; 3-3 Metro main line track; 4-1. Front positioning hydraulic cylinder; 4-2. Front lifting hydraulic cylinder; 4-3. Rear lifting hydraulic cylinder; 4 -4. Rear positioning hydraulic cylinder; 4-5. Rear transmission lever arm; 4-6. Front transmission lever arm; 4-7. Wheel axle; 4-8. Metro main track; 5-1. Front left wheel; 5-2 .Left trapezoidal arm; 5-3. Knuckle arm; 5-4. Steering straight rod; 5-5. Steering rocker arm; 5-6. Steering wheel; 5-7. Steering shaft; 5-8. Steering universal Section; 5-9. Steering drive shaft; 5-10. Steering gear; 5-11. Hydraulic valve; 5-12. Control relay; 5-13. Hydraulic tubing; 5-14. Hydraulic pump; 5-15. Lock Tightening cylinder; 5-16. Hydraulic oil tank; 5-17. Steering fixed frame; 5-18. Steering tie rod; 5-19. Right trapezoidal arm; 5-20. Front right wheel.

Detailed ways

The following is a further description of the present utility model in conjunction with the accompanying drawings. The structure and principle of this device are very clear to those in the field. It should be understood that the specific embodiments described here are only used to explain the present utility model, and are not used to limit the present utility model.

In this embodiment, referring to Figure 1a-Figure 1b, this design is mainly composed of the following two subsystems, namely a mixing structure and a chassis structure. The mixing structure includes a mixing tank, a hydraulic device, a deceleration device, a water supply device, and a feeding and discharging device. , Electronic control device, front and rear supports, escalators, etc. The chassis structure includes the body, frame, engine, gearbox, front wheel set, bogie, rear wheel set, positioning hydraulic cylinder, lifting hydraulic cylinder, rail steel wheels and other structures. Among them, the mixing structure is mainly used to continuously mix and mix the concrete during concrete transportation and operation to prevent segregation of the concrete. The chassis structure mainly provides driving power for the equipment. According to different operating environments, it can be adapted to roads, subway tunnels, and subways. The normal operation on the road surface under working conditions such as the line track and the rail row erected by the adjusted track.

The mixing tank in the mixing structure is welded with wear-resistant and corrosion-resistant thin steel plates according to the boundary conditions of the urban rail transit operating environment. The inner wall is welded with two sets of spiral blades, which are fixed on the chassis system by the front and rear brackets, and can transport a specific amount of concrete , And ensure that segregation does not occur during transportation. During transportation, the mixing tank uses the power take-off device to export the power from the engine in the chassis system, and drives the hydraulic pump and motor in the hydraulic device to first convert the mechanical energy into hydraulic energy, and then into With mechanical energy, the rotating speed and torque of the mixing tank are adjusted by the decelerating device to mix and mix the concrete, which is similar to the structure of the existing concrete tanker.

The chassis structure takes the frame as the carrier, and the body, engine, gearbox, front and rear wheel sets, fuel tank, water tank, side guardrail, rear-end guardrail, mudguard, etc. are arranged in sequence on the frame, and the power is transmitted through the engine, gearbox, and universal The rear wheel set is driven by section, the front wheel set and the rear wheel set are arranged on the lower side of the frame, and the front rail steel wheel assembly is also arranged on the front side of the front wheel set. The rear side of the wheel set is also equipped with a rear rail steel wheel assembly. By setting two sets of wheel sets to achieve tire walking and steel wheel walking, it can be realized that the track bed concrete pouring tank truck can be used on highways, tunnel walls, standard main track, and unpoured concrete. Walk normally on the rail row supported by the rail bracket. During operation, the chassis structure is used to convert different walking wheels to travel on the road under specific conditions to transport the concrete to the construction work surface, and the concrete is poured on the work surface through the mixing system. After 12 hours of concrete solidification, it can continue to drop. One step process. The front and rear rail steel wheel assemblies use the lever principle to realize the lifting and sinking of the rail steel wheels through the synchronous expansion and contraction of two sets of hydraulic cylinders, and complete the locking and unlocking states of the steering mechanism through the synchronous operation of mechanical steering and hydraulic structure.

Example 1

The track bed concrete pouring tanker is based on the chassis structure, equipped with a mixing structure. The chassis structure uses the frame as the carrier, loaded with rail steel wheel components, body, front wheel set, water supply device, hydraulic system, mixing tank, positioning hydraulic cylinder, and lifting Hydraulic cylinder, transmission arm, feeding device, escalator, discharging device, rear wheel set. The front wheel set and the rear wheel set are suspended on the frame by spring steel plates and fixed by bolts. When the positioning hydraulic cylinder is lifted, the rail steel wheel set is off the ground, and the front and rear wheel sets can be adapted to normal driving on the road when they touch the ground. Transport concrete directly on city highways. The mixing structure uses the frame as the carrier, combined with the water supply device, hydraulic system, mixing tank, feeding device, escalator, discharge device and other structures. The mixing tank is welded with thin steel plates made of wear-resistant and corrosion-resistant materials, and contains two spiral blades inside. Its capacity is designed to be 6 squares according to the existing subway track bed concrete pouring process. By obtaining power from the engine under the body, driving the hydraulic pump and hydraulic motor to drive the mixing tank to rotate, the internal concrete is mixed and stirred through the electronic control device. Pour out the material.

The wheelbase of the front and rear track steel wheel sets is combined with the environmental characteristics of roads, tunnel walls, and subway mainline tracks. The inner gauge of the subway mainline track is 1435mm as a reference design. The wheelbases of the front and rear wheel sets consider the track bed concrete pouring tanker. The design of the center of gravity, load-bearing characteristics and the force situation of the wheel group and the work site. When the track bed concrete pouring tanker is running on the tunnel wall, the positioning hydraulic cylinder is in an elevated state, the rail steel wheels are off the ground, and the front and rear wheels are in contact with the tunnel wall, which can maintain the concrete loading condition and travel in the tunnel tube. The equilibrium state on the wall is shown in Figure 2. When the track bed concrete pouring tank car is running on the main line of the subway or the rail row supported by the rail bracket, the bogie structure of the front wheel group is locked, the hydraulic cylinder is positioned in a sinking state, the rail steel wheel contacts the rail, and the front rail moves The steel wheel group and the rear rail travel steel wheel group contact the rails and act as the main load-bearing wheel group, which can maintain the equilibrium state of traveling on the main track under the condition of loading concrete, as shown in Figure 3a-Figure 3b.

As shown in Figure 4a-Figure 4c, the railroad steel wheel assembly includes a front railroad steel wheel assembly and a rear railroad steel wheel assembly. The structure is roughly the same, and both of them are in the vertical direction through the lifting hydraulic cylinder and the positioning hydraulic cylinder. The expansion and contraction realizes the lifting of the rail steel wheel assembly, and the transmission lever is used as a lever to achieve its lifting. The difference is that the rear rail steel wheel assembly is connected to the engine of the vehicle and can be driven by the engine, while the front rail steel wheel assembly is connected to and driven by the engine. The wheel assembly is not connected to the engine. For example, the rear rail steel wheel assembly can be connected to the rotating shaft of the rear wheel set through a belt, thereby realizing an indirect connection with the engine; or, the rotating shaft of the rear rail steel wheel assembly can be directly connected to the engine through a belt or other transmission structure. The output shaft of the engine is connected and can rotate under the drive of the engine. Wherein, the front rail traveling steel wheel assembly includes a front positioning hydraulic cylinder, a front lifting hydraulic cylinder, a front rail traveling rigid wheel set, a front rail traveling steel wheel set axle, and a front transmission lever arm. It comprises two front rail steel wheels, respectively connected to the two ends of the front rail rigid wheel set axle, one end of the front transmission lever arm is connected with the front rail rigid wheel set axle, and the other end is connected with the lower end of the front positioning hydraulic cylinder , The upper end of the front positioning hydraulic cylinder is fixed to the lower side of the frame, the rear side of the front positioning hydraulic cylinder is provided with a front lift hydraulic cylinder whose upper end is fixed to the lower side of the frame, and the lower end of the front lift hydraulic cylinder is connected to the front transmission The middle part of the power arm; similarly, the rear rail steel wheel assembly includes a rear positioning hydraulic cylinder, a rear lifting hydraulic cylinder, a rear rail rigid wheel set, a rear rail steel wheel set axle, and a rear transmission lever arm. The rear rail steel wheel set includes two rear rail steel wheels, which are respectively connected to the two ends of the rear rail rigid wheel set axle. One end of the rear drive arm is connected to the rear rail rigid wheel set axle, and the other end Connected to the lower end of the rear positioning hydraulic cylinder, the upper end of the rear positioning hydraulic cylinder is fixed to the lower side of the frame, and the rear side of the rear positioning hydraulic cylinder is provided with a rear lifting hydraulic cylinder whose upper end is fixed to the lower side of the frame. The lower end of the lifting hydraulic cylinder is connected to the middle of the rear transmission lever arm.

When the track bed concrete pouring tanker is running with tires, the tires are used as the load-bearing wheels of the whole vehicle, the positioning hydraulic cylinders retract upward to adjust the position of the wheel sets, and the lifting hydraulic cylinders are tightened upwards, and the front rail and rear rail wheels are raised. ; When the track bed concrete pouring tank car is driven by rail steel wheels, the steel wheels and tires are used as the main load-bearing wheels of the whole vehicle at the same time, and then the bogie of the front wheel group is locked, and the positioning hydraulic cylinder extends downward to adjust the wheel group position, and lift the hydraulic pressure. The cylinder extends downwards, and the front rail and rear rail wheels sink. When the steel wheels contact the rail surface and bear the weight of the entire vehicle, the tires also bear the weight of the entire vehicle. In normal operation, the entire vehicle Rely on the friction between the tire and the rail to travel.

In addition, the track bed concrete pouring tanker is also equipped with a steering mechanism at the front wheel set. The front left wheel and the front right wheel are respectively connected to the steering fixed frame through the steering knuckle. The steering rocker arm, the steering straight rod, the left trapezoidal arm, and the steering horizontal The tie rod and the right trapezoidal arm are hinged in turn to form a steering linkage structure, and are suspended from the spring steel plate at the bottom of the frame and fixed by U-bolts. Specifically, the two ends of the front rail rigid wheel set axle are respectively provided with the front positioning hydraulic cylinder, the front lifting hydraulic cylinder, and the front transmission lever arm, and the two rear rail rigid wheel set axles The ends are respectively provided with the rear positioning hydraulic cylinder, the rear lifting hydraulic cylinder, and the rear transmission lever arm. The steering gear is connected to the steering transmission shaft, the steering transmission shaft is connected to the steering wheel after the steering shaft is connected to the steering wheel through a steering universal joint, and the output end of the steering gear is connected with a steering rocker arm, and the steering shaft is connected to the steering wheel. The outer end of the arm is connected with one end of the steering straight rod, and the other end of the steering straight rod is connected with one end of the left trapezoidal arm. The front wheel set includes a front left wheel and a front right wheel. The left trapezoidal arm is connected to the front left wheel, and the left trapezoidal arm is connected to the front left wheel. The other end of the arm is connected to the left end of the steering tie rod, the right end of the steering tie rod is connected to one end of the right trapezoidal arm, the right trapezoidal arm is connected to the front right wheel, the connected steering rocker arm, steering straight tie rod, left trapezoidal arm, The steering tie rod and the right trapezoidal arm constitute a steering linkage structure. The left trapezoidal arm includes a left steering knuckle arm section and a straight section extending to the right from the end of the left steering knuckle arm section. The middle of the left steering knuckle arm section is connected by bolts On the upper side of the steering knuckle of the front left wheel, the right trapezoidal arm also includes a right steering knuckle arm section and a straight section extending to the left from the right steering knuckle arm section, a straight section extending to the left and the right end of the steering tie rod Articulated, the straight section extending to the right is articulated with the left end of the steering tie rod, and the middle of the right steering knuckle arm section is connected to the upper side of the steering knuckle of the front right wheel by bolts.

The steering rocker arm is also connected to a hydraulic valve of a hydraulic device, the hydraulic device is connected to a shrinking oil cylinder, and the output end of the locking oil cylinder is connected to the connection between the steering straight rod and the left trapezoidal arm. When the rocker arm moves, the hydraulic valve can be opened and closed synchronously to control the expansion and contraction of the output end of the shrinking oil cylinder. The hydraulic valve is also connected with a control relay, and the control relay is used to control the hydraulic valve. Specifically, the hydraulic device includes a hydraulic pump and a hydraulic oil tank, and the hydraulic valve is respectively connected to the two oil inlet and outlet ports of the hydraulic pump, the hydraulic oil tank, and the shrinking oil cylinder through a plurality of hydraulic oil pipes.

As shown in Figure 5, when the steering wheel rotates, the steering shaft, the steering universal joint, the steering transmission shaft, and the steering gear are used to drive the steering rocker arm to move, and the swing of the steering rocker arm controls the hydraulic valve to achieve the expansion and contraction of the locking cylinder Change, so as to realize the angle swing of the steering straight rod to the front left wheel, so that the entire front wheel set is deflected. For example, when the steering rocker arm swings to the left, the hydraulic valve is triggered, so that the locking cylinder drives the upper end of the steering rod to move to the right, thereby realizing the left turn of the front wheel set; when the steering rocker arm swings to the right, the hydraulic valve is triggered to act. The locking cylinder drives the upper end of the steering straight rod to move to the left, thereby realizing the right turn of the front wheel set. When the track bed concrete pouring tanker uses rail-mounted steel wheels to drive, the front wheel set bogie needs to be locked first, that is, the driver locks the fixed locking cylinder on the frame through the control relay through the button in the body operating room to make the steering The joint arm is fixed, the steering wheel cannot control the deflection of the left and right wheels by turning, and the steering mechanism of the front wheel set is in a locked state. On the contrary, the lock state of the front wheel set can be released through the button of the body operating room and the control relay.

Example 2

When the track bed concrete pouring tanker is running on the highway, the rail steel wheel set is lifted by positioning the hydraulic cylinder and the lifting hydraulic cylinder. The rail steel wheel is off the ground, and the front wheel and the rear wheel are in contact with the ground. On the site, the use of self-contained power and hollow tires for road travel can directly enter the site for operations and transfer transportation.

When the track bed concrete pouring tanker is running on the tunnel wall, the rail steel wheel set is lifted by positioning the hydraulic cylinder and the lifting hydraulic cylinder. The rail steel wheel is lifted off the ground, and the front and rear wheels touch the ground. The feeding pipe of the feeding port receives the material, loads the concrete from the feeding device into the mixing tank, and controls the continuous rotation of the mixing tank to prevent the internal concrete from segregating and solidifying. It travels from the position of the discharge port to the concrete pouring surface by means of a reverse carriage. During the traveling process, it is necessary to continuously fine-tune the driving direction to maintain the balance of the whole vehicle. The discharge device is used for discharging and pouring until the pouring is completed, and the equipment returns to the unloading port to re-receive materials, continuously looping in turn.

When the track bed concrete pouring tank car is driving on the main line of the subway or the rail row supported by the rail adjustment bracket, the driver controls the button in the operating room, which is realized through the control relay, and the front wheel group bogie mechanism is locked through the locking cylinder. Position the hydraulic cylinder and the lifting hydraulic cylinder to make the rail steel wheel set in a sinking state, the rail steel wheel touches the rail, the front wheel set and the rear wheel set touch the rail, the operation sequence is the same as that of the equipment walking on the tunnel wall, during normal operation The equipment advances directly along the laying direction of the rail, without considering issues such as steering adjustment, and the traveling speed is faster.

Claims

A track bed concrete pouring tank car without transfer and direct pouring, comprising a mixing structure and a chassis structure. The chassis structure includes a frame. The lower side of the frame is provided with a front wheel group and a rear wheel group, which is characterized in that: The front side of the front wheel set is also provided with a front rail steel wheel assembly, and the rear side of the rear wheel set is also provided with a rear rail steel wheel assembly;

The front rail traveling steel wheel assembly includes a front positioning hydraulic cylinder, a front lifting hydraulic cylinder, a front rail traveling rigid wheel set, a front rail traveling steel wheel set axle, and a front transmission lever arm. The front rail traveling steel wheel set includes two Two front rail steel wheels are respectively connected to the two ends of the front rail rigid wheel set axle. One end of the front transmission lever arm is connected with the front rail rigid wheel set axle, and the other end is connected with the lower end of the front positioning hydraulic cylinder. The upper end of the positioning hydraulic cylinder is fixed to the lower side of the frame, the rear side of the front positioning hydraulic cylinder is provided with a front lifting hydraulic cylinder whose upper end is fixed to the lower side of the frame, and the lower end of the front lifting hydraulic cylinder is connected to the front transmission lever arm The middle of

The rear rail steel wheel assembly includes a rear positioning hydraulic cylinder, a rear lifting hydraulic cylinder, a rear rail rigid wheel set, a rear rail steel wheel set axle and a rear transmission lever arm, and the rear rail steel wheel set includes Two rear rail steel wheels are respectively connected to the two ends of the rear rail rigid wheel set axle, one end of the rear transmission lever is connected to the rear rail rigid wheel set axle, and the other end is connected to the lower end of the rear positioning hydraulic cylinder , The upper end of the rear positioning hydraulic cylinder is fixed to the lower side of the frame, the rear side of the rear positioning hydraulic cylinder is provided with a rear lifting hydraulic cylinder whose upper end is fixed to the lower side of the frame, and the lower end of the rear lifting hydraulic cylinder is connected to the rear The middle of the transmission arm.
The track bed concrete pouring tank car with no transfer and direct pouring according to claim 1, characterized by further comprising a steering mechanism, said steering mechanism comprising a steering gear and a steering fixing frame, and the front wheel set and the steering fixing frame The steering fixed frame is fixed on the lower side of the frame, the output end of the steering gear is connected with a steering rocker arm, the outer end of the steering rocker arm is connected with one end of the steering straight rod, and the other end of the steering straight rod Connected to one end of the left trapezoidal arm, the front wheel set includes a front left wheel and a front right wheel, the left trapezoidal arm is connected with the front left wheel, and the other end of the left trapezoidal arm is connected with the left end of the steering tie rod, and the right end of the steering tie rod is connected One end of the right trapezoidal arm, the right trapezoidal arm is connected with the front right wheel, and the connected steering rocker arm, steering straight tie rod, left trapezoidal arm, steering cross tie rod, and right trapezoidal arm constitute a steering linkage structure;

The steering rocker arm is also connected to a hydraulic valve of a hydraulic device, the hydraulic device is connected to a shrinking oil cylinder, and the output end of the locking oil cylinder is connected to the connection between the steering straight rod and the left trapezoidal arm. When the rocker arm moves, the hydraulic valve can be opened and closed synchronously to control the expansion and contraction of the output end of the shrinking oil cylinder. The hydraulic valve is also connected with a control relay, and the control relay is used to control the hydraulic valve.
The track bed concrete pouring tank truck without transfer and direct pouring according to claim 2, wherein the hydraulic device includes a hydraulic pump and a hydraulic oil tank, and the hydraulic valve is connected to the hydraulic pump, the hydraulic oil tank, and the hydraulic oil tank through the hydraulic oil pipe. And tighten the two oil inlet and outlet ports of the oil cylinder.
The track bed concrete pouring tank wagon with no transfer and direct pouring according to claim 2, wherein the front left wheel and the front right wheel are respectively connected to the upper side of the steering fixed frame through a steering knuckle. .
The track bed concrete pouring tank car with no transfer and direct pouring according to claim 2, wherein the steering gear is connected to the steering drive shaft, and the steering drive shaft is connected to the steering shaft through a steering universal joint. Connect to the steering wheel.
The track bed concrete pouring tank car without transfer and direct pouring according to claim 1, characterized in that both ends of the wheel axle of the front rail rigid wheel set are respectively provided with the front positioning hydraulic cylinder and the front lifting hydraulic cylinder , And the front drive arm.
The track bed concrete pouring tank car without transfer and direct pouring according to claim 1, characterized in that both ends of the axle of the rear rail rigid wheel set are respectively provided with the rear positioning hydraulic cylinder and the rear lifting hydraulic cylinder , And the rear drive arm.
The track-bed concrete pouring tanker with no-transport direct pouring according to claim 1, characterized in that the front wheel set and the rear wheel set use hollow pneumatic tires.
The track bed concrete pouring tanker with no transfer and direct pouring according to claim 1, characterized in that the mixing structure is arranged on the upper side of the frame, and includes a water supply device, a hydraulic system, a mixing tank, a feeding device, an escalator, Discharge device.
The track-bed concrete pouring tank truck with no transfer and direct pouring according to claim 9, characterized in that the mixing tank is made by welding steel plates, and spiral blades are arranged inside.