Retracting and releasing device and well cementation truck with same

Abstract

The utility model provides a take-up and pay-off device and a well cementation truck with the take-up and pay-off device, and the take-up and pay-off device comprises a roller which is rotatably arranged on a carrier, and a cable is wound on the roller; the driving structure is in driving connection with the roller and used for driving the roller to rotate; the vehicle comprises a chassis driving component, and the chassis driving component is in driving connection with a driving structure, so that the driving structure is driven to operate through the chassis driving component. According to the technical scheme, the take-up and pay-off device can be arranged on the vehicle, the driving structure of the take-up and pay-off device is driven through the chassis driving component of the vehicle, and then the roller is driven to rotate, so that the take-up and pay-off device is integrated on the vehicle, other transporting devices such as the vehicle do not need to be independently arranged for transporting cables or the roller, and the cost is reduced. Repeated wiring is not needed in each well cementation operation, the preparation time before operation is shortened, and the working efficiency of the well cementation operation is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of cementing equipment technology, and more specifically, to a launching and receiving device and a cementing truck having the same. Background Technology

[0002] Currently, before operation, electric cementing equipment needs to be connected to the well site power supply using a cable. To facilitate the laying and retrieval of the cable, a cable drum is usually installed. The cable is laid and retrieved by controlling the rotation and stopping of the cable drum.

[0003] However, due to the weight of the cable, existing technologies often require separate vehicles to transport the cable and cable rollers, which results in high transportation costs. Furthermore, the cable needs to be reconnected to the cementing equipment for each operation, making the preparation work before cementing operations time-consuming and seriously affecting work efficiency. Utility Model Content

[0004] The main objective of this invention is to provide a cable retraction device and a cementing truck equipped with it, in order to solve the technical problem of low efficiency caused by the need to reconnect the cable to the cementing equipment before each cementing operation in the prior art.

[0005] To achieve the above objectives, according to one aspect of the present invention, a retraction device is provided, which is mounted on a vehicle and includes:

[0006] A roller, rotatably mounted on a carrier, with cables wound on it;

[0007] The drive structure is connected to the roller drive and is used to drive the roller to rotate.

[0008] The vehicle includes a chassis drive component, which is connected to the drive structure to drive the drive structure.

[0009] Furthermore, the drive structure includes an electric drive component, and the chassis drive components include a power supply component, which is drivenly connected to the electric drive component to provide power to the electric drive component; or,

[0010] The drive structure includes a hydraulic drive component, and the chassis drive components include a hydraulic pump, which is connected to the hydraulic drive component via an oil circuit; or,

[0011] The drive structure includes a hydraulic drive component, and the chassis drive components include a power supply component and an electro-hydraulic component. The power supply component and the electro-hydraulic component are electrically connected, and the electro-hydraulic component and the hydraulic drive component are connected through an oil circuit.

[0012] Furthermore, the drive structure is a hydraulic drive component, and the retraction and deployment device also includes:

[0013] The first hydraulic directional valve is installed in the oil line connecting the hydraulic drive component and the chassis drive component. The first hydraulic directional valve has a first switching position and a second switching position.

[0014] Specifically, when the first hydraulic directional valve is in the first switching position, the hydraulic drive unit drives the drum to rotate forward; when the first hydraulic directional valve is in the second switching position, the hydraulic drive unit drives the drum to rotate in reverse.

[0015] Furthermore, the retraction and deployment device also includes:

[0016] The speed control valve is installed in the oil circuit connecting the hydraulic drive component and the chassis drive component, and the opening degree of the speed control valve can be adjusted.

[0017] Furthermore, the retraction device also includes a wireless receiving module;

[0018] The first hydraulic directional valve is a first electrically controlled valve. A wireless receiving module is connected to the first electrically controlled valve, and the wireless receiving module controls the first electrically controlled valve based on the received information; and / or...

[0019] The speed control valve is a second electrically controlled valve. The wireless receiving module is connected to the second electrically controlled valve and controls the second electrically controlled valve based on the received information.

[0020] Furthermore, the drive structure is a hydraulic drive component, and the retraction and deployment device also includes:

[0021] The relief valve is installed in the oil circuit connecting the hydraulic drive components and the chassis drive components.

[0022] According to another aspect of the present invention, a cementing truck is provided, comprising:

[0023] Vehicle;

[0024] The aforementioned retraction and deployment device is mounted on the vehicle.

[0025] Furthermore, the cementing truck also includes:

[0026] Auxiliary maintenance parts, which are movably mounted on the vehicle;

[0027] A chassis drive unit, mounted on a vehicle, is optionally connected to a retraction device and / or auxiliary maintenance component to drive the retraction device and / or auxiliary maintenance component.

[0028] Furthermore, the auxiliary maintenance components are hydraulically driven, and the cementing truck also includes:

[0029] The second hydraulic directional valve is installed on the oil line connecting the first hydraulic directional valve of the auxiliary maintenance component and the take-up and release device. The second hydraulic directional valve has a third switching position and a fourth switching position.

[0030] Specifically, when the second hydraulic directional valve is in the third switching position, the oil circuit between the auxiliary maintenance component and the first hydraulic directional valve is connected; when the second hydraulic directional valve is in the fourth switching position, the oil circuit between the first hydraulic directional valve and the oil tank is connected.

[0031] Furthermore, the cementing truck also includes a gearbox mounted on the vehicle; the chassis drive components include a hydraulic pump located at the power take-off port of the gearbox; and / or,

[0032] The take-up and release device consists of at least two devices, and the rollers of the at least two take-up and release devices are connected by a shaft connection or the at least two take-up and release devices are set up independently of each other.

[0033] By applying the technical solution of this utility model, the take-up and drop device can be mounted on a vehicle, and the drive structure of the take-up and drop device can be driven by the vehicle's chassis drive component, thereby driving the drum to rotate. This integrates the take-up and drop device onto the vehicle, eliminating the need for separate vehicles or other transportation devices to transport the cable or drum. Furthermore, this configuration allows the take-up and drop device to be driven directly by the vehicle's chassis drive component. During preparation for cementing operations, when connecting the well site power supply and the vehicle, only one end of the laid cable needs to be connected to the well site power interface; the other end is already connected to the chassis drive component. This eliminates the need for repeated wiring for each cementing operation, reducing preparation time and effectively improving the efficiency of cementing operations. Therefore, the take-up and drop device provided in this embodiment solves the technical problem of low efficiency caused by the need to reconnect the cable to the cementing equipment before each cementing operation in the prior art. Attached Figure Description

[0034] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0035] Figure 1 A schematic diagram of the overall structure of the cementing truck provided according to Embodiment 2 of this utility model is shown;

[0036] Figure 2 A schematic diagram of the retractable device according to Embodiment 1 of the present invention is shown;

[0037] Figure 3 A hydraulic control logic diagram of the take-up and take-down device according to Embodiment 1 of the present invention is shown.

[0038] The above figures include the following reference numerals:

[0039] 1. Drum; 2. Drive structure; 3. Chassis drive components; 31. Hydraulic pump; 4. First hydraulic directional valve; 5. Speed ​​control valve; 6. Relief valve; 7. Carrier; 8. Auxiliary maintenance parts; 9. Second hydraulic directional valve; 10. Pressure gauge. Detailed Implementation

[0040] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0041] Currently, before operation, electric cementing equipment needs to be connected to the well site power supply using a cable. To facilitate the laying and retrieval of the cable, a cable drum is usually installed. The cable is laid and retrieved by controlling the rotation and stopping of the cable drum.

[0042] However, due to the weight of the cable, existing technologies often require separate vehicles to transport the cable and cable rollers, which results in high transportation costs. Furthermore, the cable needs to be reconnected to the cementing equipment for each operation, making the preparation work before cementing operations time-consuming and seriously affecting work efficiency.

[0043] like Figures 1 to 3 As shown, Embodiment 1 of this utility model provides a retraction device, which is installed on a vehicle carrier. The retraction device includes a roller 1 and a drive structure 2. The roller 1 is rotatably installed on the carrier and a cable is wound on the roller 1. The drive structure 2 is driven to drive the roller 1 to rotate. The vehicle includes a chassis drive component 3, which is driven to drive the drive structure 2 to run.

[0044] Specifically, the vehicle can be a car body.

[0045] The retraction and deployment device provided in Embodiment 1 of this utility model can be integrated into the vehicle by mounting the device on the vehicle and driving the drive structure 2 of the device through the vehicle's chassis drive component 3, thereby driving the roller 1 to rotate. This eliminates the need for separate vehicles or other transportation devices to transport the cable or roller 1. Furthermore, this configuration allows the retraction and deployment device to be driven directly by the vehicle's chassis drive component 3. During preparation for cementing operations, when connecting the well site power supply and the vehicle, only one end of the laid cable needs to be connected to the well site power interface; the other end is already connected to the chassis drive component 3. This eliminates the need for repeated wiring for each cementing operation, reducing preparation time and effectively improving the efficiency of cementing operations. Therefore, the retraction and deployment device provided in this embodiment solves the technical problem of low efficiency caused by the need to reconnect the cable to the cementing equipment before each cementing operation in the prior art.

[0046] Specifically, the cable wound on the drum 1 is an electric cable to enable electrical connection between the vehicle and the well site power supply.

[0047] Specifically, the drive structure 2 includes an electric drive component, and the chassis drive component 3 includes a power supply component. The power supply component is driven by the electric drive component to provide power to the electric drive component. In this way, the drive structure 2 can be powered by the power supply component on the vehicle, thereby driving the roller 1 to rotate. The structure is simple, the response time is short, and pollution emissions can also be reduced.

[0048] Specifically, the drive structure 2 includes a hydraulic drive component, and the chassis drive component 3 includes a hydraulic pump. The hydraulic pump and the hydraulic drive component are connected via an oil circuit. In this way, the drive structure 2 can be driven by the hydraulic pump on the vehicle, which in turn drives the roller 1 to rotate. The control logic is simple and contributes to the efficient operation of the drive structure 2.

[0049] Specifically, the drive structure 2 includes a hydraulic drive component, and the chassis drive component 3 includes a power supply component and an electro-hydraulic component. The power supply component is electrically connected to the electro-hydraulic component, and the electro-hydraulic component is connected to the hydraulic drive component via an oil circuit. In this way, the electro-hydraulic component can be powered by the power supply component on the vehicle, thereby enabling the electro-hydraulic component to drive the drive structure 2, which in turn drives the roller 1 to rotate. Using electricity as a power source helps reduce pollution emissions.

[0050] Specifically, the drive structure 2 is a hydraulic drive component, and the retraction device also includes a first hydraulic directional valve 4. The first hydraulic directional valve 4 is located on the oil line connecting the hydraulic drive component and the chassis drive component 3, and has a first switching position and a second switching position. When the first hydraulic directional valve 4 is in the first switching position, the hydraulic drive component drives the drum 1 to rotate forward; when the first hydraulic directional valve 4 is in the second switching position, the hydraulic drive component drives the drum 1 to rotate in reverse. With this structural arrangement, the output direction of the hydraulic oil flowing out of the chassis drive component 3 can be controlled by the setting of the first hydraulic directional valve 4, thereby controlling the operating direction of the drive structure 2, thus realizing the forward and reverse rotation of the drum 1, corresponding to the laying and retrieval of cables, respectively.

[0051] Specifically, when roller 1 rotates clockwise, roller 1 rotates in a clockwise direction; when roller 1 rotates counterclockwise, roller 1 rotates in a counterclockwise direction.

[0052] Specifically, the retraction and deployment device also includes a speed control valve 5, which is installed in the oil circuit connecting the hydraulic drive component and the chassis drive component 3. The opening of the speed control valve 5 is adjustable. With this structural arrangement, the maximum rotational speed of the drum 1 can be limited by the speed control valve 5, preventing overspeeding during operation.

[0053] Specifically, the opening degree of the first hydraulic directional valve 4 can be adjusted, and the rotation speed of the drum 1 can be adjusted in real time by adjusting the opening degree of the first hydraulic directional valve 4.

[0054] Specifically, a pressure gauge 10 is installed at the inlet of the first hydraulic directional valve 4 to display the driving oil pressure of the drum 1, so that the operator can easily check and adjust it.

[0055] Specifically, the cable retraction device also includes a wireless receiving module. The first hydraulic directional valve 4 is a first electrically controlled valve, and the wireless receiving module is connected to the first electrically controlled valve. The wireless receiving module controls the first electrically controlled valve based on the received information. In this way, on-site personnel can remotely control the first hydraulic directional valve 4 via wireless signals, thereby controlling the rotation direction and speed of the roller 1, effectively reducing operation time and improving work efficiency. The first hydraulic directional valve 4 can adjust both the running direction (forward and reverse) and the running speed of the roller 1. By controlling the direction and angle of pushing the handle of the first hydraulic directional valve 4 through the wireless receiving module, the running direction and speed of the roller 1 can be adjusted to achieve cable retraction and deployment.

[0056] Specifically, the speed control valve 5 is a second electrically controlled valve, and the wireless receiving module is connected to the second electrically controlled valve. The wireless receiving module controls the second electrically controlled valve based on the received information. In this way, on-site personnel can remotely control the speed control valve 5 via wireless signals, thereby controlling the rotation speed of the drum 1, effectively reducing operation time and improving work efficiency. Specifically, the speed control valve 5 can limit the total flow rate, thereby limiting the maximum operating speed of the drum 1, preventing harm to the system or operators caused by misoperation or other reasons when the actuator operates at its maximum speed.

[0057] Specifically, the wireless receiving module is fixedly installed, and its signal comes from an external wireless controller. The wireless controller controls the wireless receiving module accordingly. The handle of the wireless controller can be equipped with indicators for emergency stop, forward rotation, and reverse rotation. After the wireless controller sends a corresponding signal, the wireless receiving module receives the signal, processes it through the corresponding control system, and then transmits the signal to the first and second electrically controlled valves. By controlling the first and second electrically controlled valves, the forward rotation, reverse rotation, and emergency stop of the roller 1 are achieved.

[0058] Specifically, the drive structure 2 is a hydraulic drive component, and the retraction device also includes an overflow valve 6, which is installed in the oil line connecting the hydraulic drive component and the chassis drive component 3. This structural arrangement ensures that the system pressure does not exceed the set value through the overflow valve 6. Simultaneously, when the drum 1 becomes stuck during operation, the hydraulic oil can overflow through the overflow valve 6, preventing continuous pressure buildup that could damage other components and effectively reducing the equipment failure rate.

[0059] Embodiment 2 of this utility model provides a cementing truck, which includes a carrier 7 and a take-up and take-down device provided in the above embodiment. The take-up and take-down device is mounted on the carrier 7. This structural arrangement allows the cable and roller 1 to be integrated onto the cementing truck, eliminating the need for separate vehicles or other transportation devices to transport the cable or roller 1. Furthermore, this arrangement allows the take-up and take-down device to be driven directly by the vehicle's chassis drive unit 3. When preparing for cementing operations, only one end of the laid cable needs to be connected to the well site power supply interface when connecting the well site power supply and the vehicle; the other end of the cable is already connected to the chassis drive unit 3. This eliminates the need for repeated wiring for each cementing operation, reducing preparation time and effectively improving the efficiency of cementing operations.

[0060] Specifically, the cementing truck also includes an auxiliary maintenance component 8 and a chassis drive unit 3. The auxiliary maintenance component 8 is movably mounted on the carrier 7. The chassis drive unit 3 is mounted on the carrier 7 and can be selectively connected to the deployment / retraction device and / or the auxiliary maintenance component 8 to drive their movement. In this way, the chassis drive unit 3 can drive the deployment / retraction device and the auxiliary maintenance component 8 separately or simultaneously, making full use of equipment idle time without the need for additional power and drive units, thus improving equipment utilization.

[0061] Specifically, the auxiliary maintenance component 8 is hydraulically driven. The cementing truck also includes a second hydraulic directional valve 9, which is located on the oil circuit connecting the auxiliary maintenance component 8 and the first hydraulic directional valve 4 of the deployment / retraction device. The second hydraulic directional valve 9 has a third switching position and a fourth switching position. When the second hydraulic directional valve 9 is in the third switching position, the oil circuit between the auxiliary maintenance component 8 and the first hydraulic directional valve 4 is connected; when the second hydraulic directional valve 9 is in the fourth switching position, the oil circuit between the first hydraulic directional valve 4 and the oil tank is connected. With this structural configuration, the operating status of the auxiliary maintenance component 8 can be controlled via the second hydraulic directional valve 9. When the auxiliary maintenance component 8 is required to operate, the second hydraulic directional valve 9 can be placed in the third switching position. The hydraulic oil in the system flows through the first hydraulic directional valve 4 and then to the second hydraulic directional valve 9, and then to the auxiliary maintenance component 8 to drive its operation. When the auxiliary maintenance component 8 is not required to operate, the second hydraulic directional valve 9 can be placed in the fourth switching position. The hydraulic oil in the system flows through the first hydraulic directional valve 4 and then to the second hydraulic directional valve 9, and then back to the oil tank to complete the pressure relief, thereby effectively realizing the status control of the auxiliary maintenance component 8.

[0062] Specifically, auxiliary maintenance component 8 is a turning device, which includes a turning motor. The operating status of the turning motor is controlled by a second hydraulic directional valve 9. When the turning motor needs to run, the second hydraulic directional valve 9 can be in a third switching position. The hydraulic oil in the system flows through the first hydraulic directional valve 4 and then to the second hydraulic directional valve 9, and then to the turning motor to drive it. When the turning motor does not need to run, the second hydraulic directional valve 9 can be in a fourth switching position. The hydraulic oil in the system flows through the first hydraulic directional valve 4 and then to the second hydraulic directional valve 9, and then back to the oil tank to complete the pressure relief, thereby effectively realizing the status control of the turning motor.

[0063] Specifically, the opening degree of the second hydraulic directional valve 9 is adjustable. By controlling the opening degree of the handle of the second hydraulic directional valve 9, the speed of the turning gear motor can be controlled, thereby controlling the turning gear speed.

[0064] Specifically, the cementing truck also includes a gearbox, which is mounted on the carrier 7. The chassis drive unit 3 includes a hydraulic pump 31, which is located at the power take-off port of the gearbox. With this structural arrangement, the gearbox of the cementing truck can take power from the hydraulic pump 31, thereby driving the hydraulic pump 31. The hydraulic oil output by the hydraulic pump 31 can enter the hydraulic system to drive the operation of other functional components. This structure is simple, easy to set up, and helps to improve the operating efficiency of the hydraulic system.

[0065] Specifically, there are at least two take-up and release devices, and the shafts of the rollers 1 of the at least two take-up and release devices are connected together, or the at least two take-up and release devices are set up independently. In this way, the rotation of each roller 1 can be controlled independently, which facilitates selective operation control of the roller 1 according to the on-site working conditions, helps to improve the efficiency of cable laying and save energy.

[0066] Specifically, the drive structure 2 drives the roller shaft via a chain or belt, and the roller shaft drives the roller 1 to rotate.

[0067] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects: They reduce user transportation costs by eliminating the need for separate vehicles to transport cables or cable reels. Furthermore, when the integrated cable reel is used in well site operations where the power distribution room is far from the work location, cables can be laid using a chassis vehicle, thus reducing the user's workload to some extent.

[0068] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0069] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0070] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0071] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0072] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0073] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A retractable device, characterized in that, The retraction device is mounted on the vehicle's carrier, and the retraction device includes: A roller (1) is rotatably mounted on the carrier; A drive structure (2) is driven to drive the roller (1), and the drive structure (2) is used to drive the roller (1) to rotate; The vehicle includes a chassis drive component (3), which is driven to connect with the drive structure (2) so as to drive the drive structure (2) to run through the chassis drive component (3).

2. The retracting device according to claim 1, characterized in that, The drive structure (2) includes an electric drive component, and the chassis drive component (3) includes a power supply component, which is drivenly connected to the electric drive component to provide power to the electric drive component; or, The drive structure (2) includes a hydraulic drive component, and the chassis drive component (3) includes a hydraulic pump, the hydraulic pump being connected to the hydraulic drive component via an oil circuit; or, The drive structure (2) includes a hydraulic drive component, and the chassis drive component (3) includes a power supply component and an electro-hydraulic component. The power supply component is electrically connected to the electro-hydraulic component, and the electro-hydraulic component is connected to the hydraulic drive component through an oil circuit.

3. The retracting device according to claim 1, characterized in that, The drive structure (2) is a hydraulic drive component, and the retraction device further includes: A first hydraulic directional valve (4) is provided on the oil line connecting the hydraulic drive component and the chassis drive component (3). The first hydraulic directional valve (4) has a first switching position and a second switching position. When the first hydraulic directional valve (4) is in the first switching position, the hydraulic drive unit drives the drum (1) to rotate forward; when the first hydraulic directional valve (4) is in the second switching position, the hydraulic drive unit drives the drum (1) to rotate in reverse.

4. The retracting device according to claim 3, characterized in that, The retraction device further includes: A speed control valve (5) is provided on the oil line connecting the hydraulic drive component and the chassis drive component (3), and the opening degree of the speed control valve (5) is adjustable.

5. The retracting device according to claim 4, characterized in that, The retractable device also includes a wireless receiving module; The first hydraulic directional valve (4) is a first electrically controlled valve. The wireless receiving module is connected to the first electrically controlled valve, and the wireless receiving module controls the first electrically controlled valve according to the received information; and / or, The speed control valve (5) is a second electrically controlled valve. The wireless receiving module is connected to the second electrically controlled valve, and the wireless receiving module controls the second electrically controlled valve according to the received information.

6. The retracting device according to claim 1, characterized in that, The drive structure (2) is a hydraulic drive component, and the retraction device further includes: An overflow valve (6) is provided on the oil line connecting the hydraulic drive component and the chassis drive component (3).

7. A cementing truck, characterized in that, include: Vehicle (7); The take-up and take-down device according to any one of claims 1 to 6.

8. The cementing truck according to claim 7, characterized in that, The cementing vehicle also includes: An auxiliary maintenance component (8) is movably mounted on the vehicle (7); A chassis drive component (3) is disposed on the vehicle (7). The chassis drive component (3) may be selectively connected to the retraction device and / or the auxiliary maintenance component (8) to drive the retraction device and / or the auxiliary maintenance component (8) to move.

9. The cementing truck according to claim 8, characterized in that, The auxiliary maintenance component (8) is hydraulically driven, and the cementing vehicle also includes: The second hydraulic directional valve (9) is provided on the oil line connecting the auxiliary maintenance component (8) and the first hydraulic directional valve (4) of the take-up and release device. The second hydraulic directional valve (9) has a third switching position and a fourth switching position. When the second hydraulic directional valve (9) is in the third switching position, the oil circuit between the auxiliary maintenance component (8) and the first hydraulic directional valve (4) is connected; when the second hydraulic directional valve (9) is in the fourth switching position, the oil circuit between the first hydraulic directional valve (4) and the oil tank is connected.

10. The cementing truck according to claim 7, characterized in that, The cementing vehicle also includes a gearbox mounted on the carrier (7); the chassis drive unit (3) includes a hydraulic pump (31) located at the power take-off port of the gearbox; and / or, The take-up and release device is at least two, and the rollers (1) of the at least two take-up and release devices are connected by a rotating shaft or the at least two take-up and release devices are set independently of each other.

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