CN116534744A - Safety protection device of multifunctional operation vehicle for oil field - Google Patents

Safety protection device of multifunctional operation vehicle for oil field Download PDF

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Publication number
CN116534744A
CN116534744A CN202310446743.0A CN202310446743A CN116534744A CN 116534744 A CN116534744 A CN 116534744A CN 202310446743 A CN202310446743 A CN 202310446743A CN 116534744 A CN116534744 A CN 116534744A
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CN
China
Prior art keywords
cylinder
arm
sensor
oil cylinder
hydro
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310446743.0A
Other languages
Chinese (zh)
Inventor
孙志文
刘汝山
周波
陈亮
高平
谭聪
刘学强
周晓军
孙鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinopec Oilfield Service Corp
Sinopec East China Petroleum Engineering Corp
Original Assignee
Sinopec Oilfield Service Corp
Sinopec East China Petroleum Engineering Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sinopec Oilfield Service Corp, Sinopec East China Petroleum Engineering Corp filed Critical Sinopec Oilfield Service Corp
Priority to CN202310446743.0A priority Critical patent/CN116534744A/en
Publication of CN116534744A publication Critical patent/CN116534744A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/16—Applications of indicating, registering, or weighing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
    • B66C13/54—Operator's stands or cabins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

The invention discloses a safety protection device of a multifunctional working vehicle for an oil field, the multifunctional working vehicle comprises a vehicle body, a first arm, a first oil cylinder and a second oil cylinder, the first arm is rotationally connected to one side of the upper end of the vehicle body, the first oil cylinder and the second oil cylinder are installed on one side of the lower end of the first arm side by side, and two ends of the first oil cylinder and the second oil cylinder are respectively rotationally connected with the vehicle body and the first arm, and the safety protection device is characterized by comprising the following components: the controller is installed on the automobile body, installs the first sensor on first arm, installs the second sensor on the big or small chamber of first hydro-cylinder, installs the third sensor on the big or small chamber of second hydro-cylinder, first sensor, second sensor and third sensor all signal connection controller. The advantages of the present invention over the prior art are: the current load can be calculated more accurately, and the influence of ground state is avoided, so that false alarm is caused.

Description

Safety protection device of multifunctional operation vehicle for oil field
Technical Field
The invention relates to the technical field of multifunctional operation vehicles for oil fields, in particular to a safety protection device of a multifunctional operation vehicle for oil fields.
Background
The multifunctional working vehicle for the oil field is a working vehicle capable of carrying out hoisting operation, a rigging is usually arranged on a suspension arm, in the multifunctional working vehicle for the oil field, load data are key points for influencing the overall working performance and safety of the multifunctional working vehicle for the oil field, in the loading operation of the multifunctional working vehicle for the oil field, the serious consequences of tipping can be caused due to overlarge displacement quantity of an arm, and a safety protection device is required to be arranged for avoiding the tipping accident of the multifunctional working vehicle for the oil field during operation.
The invention discloses a Chinese patent application with publication number of CN 105692514A, which discloses a safety limiting device and a tunnel arch working vehicle, and is used for safely limiting a sliding table on a guide rail, and the tunnel arch working vehicle comprises a vertical plate, wherein the vertical plate is movably arranged on the sliding table, a telescopic cylinder is arranged above the vertical plate and fixedly arranged on the sliding table, the telescopic cylinder is used for controlling the vertical plate to swing by taking a connecting point of the vertical plate and the sliding table as a supporting point, an adjustable positioning block is arranged below the vertical plate, and the adjustable positioning block is tightly pressed on the guide rail when the telescopic cylinder stretches out to a specified length. The invention also provides a tunnel arch working vehicle, and the safety limiting device is arranged on the tunnel arch working vehicle. The safety of the overturning of the working vehicle cannot be evaluated according to the actual load, the degree of automation is low, and when the overturning risk exists, an audible and visual alarm cannot be automatically sent out.
In order to increase the degree of automation, the working vehicle needs to measure and display the load of the rigging in real time and compare the load with the theoretical value. When the multifunctional working vehicle for the oil field works, different micro deformation can be generated on the front axle and the rear axle, the prior art adopts an axle stress detection mode, the rear axle sensor judges the current stress condition of the axle through detecting the micro deformation of the axle in real time, and the current stress condition of the axle of the front axle is compared and calculated, so that the current state of the vehicle is judged, and the whole vehicle is prevented from tipping. The disadvantage of this stress detection approach is that: 1. only the load can be estimated by the stress of the axle, and the load cannot be accurately weighed; 2. a position where the load cannot be displayed; 3. the ground state is easy to influence, and different ground conditions can lead to deviation of sensor data, so that false alarm occurs in the driving process.
Disclosure of Invention
The invention aims to solve the technical problems in the background art and provides a safety protection device of a multifunctional operation vehicle for an oil field, which can accurately calculate load.
The technical scheme provided by the invention is as follows: the utility model provides a safety arrangement of multi-functional operation car for oil field, multi-functional operation car includes automobile body, first festival arm, first hydro-cylinder and second hydro-cylinder, first festival arm rotates to be connected in upper end one side of automobile body, first hydro-cylinder and second hydro-cylinder install side by side in lower extreme one side of first festival arm, the both ends of first hydro-cylinder and second hydro-cylinder rotate respectively and connect automobile body and first festival arm, its characterized in that includes: the controller is installed on the automobile body, installs the first sensor on first arm, installs the second sensor on the big or small chamber of first hydro-cylinder, installs the third sensor on the big or small chamber of second hydro-cylinder, first sensor, second sensor and third sensor all signal connection controller.
Further, the vehicle body comprises a display, wherein the display is arranged in a cab of the vehicle body and is in signal connection with the controller.
Further, the intelligent alarm system also comprises an audible and visual alarm, and the audible and visual alarm is in signal connection with the controller.
Further, the first sensor is a length angle sensor and is used for measuring the extending length of the cantilever of the multifunctional working vehicle and the angle relative to the plane of the vehicle body.
Further, the first oil cylinder is a pitching oil cylinder, and the second sensor is a pitching pressure sensor and is used for measuring stress of the pitching oil cylinder.
Further, the second oil cylinder is a balance oil cylinder, and the third sensor is a balance pressure sensor and is used for measuring stress of the balance oil cylinder.
Further, the controller controls the motion of the vehicle body, the switch of the audible and visual alarm and the real-time display of the display.
Further, when Mq is more than or equal to M1, the controller sends out an alarm signal, wherein M1 is a stable moment generated by the dead weight of the working vehicle, mq is a moment generated by the gravity of the load and the gravity of the arm, and a calculation formula is as follows:
M q ＝F 1 L 2 cos(α-β)+F 2 L 5 cos(α-β)＝W(L 2 +L 3 +L 4 )cosα+G 2 (L 2 +L 4 )cosα
wherein: f (F) 1 Is the pressure and F of the pitching oil cylinder 2 For balancing the pressure exerted by the cylinders, alpha is the arm inclination angle, beta is the inclination angle of the pitching cylinder, L 2 Is the distance from the supporting point of the pitching oil cylinder to the arm hinge point, L 3 For the distance from the gravity center of the arm to the supporting point of the pitching oil cylinder, L 4 For the centre of gravity of the arm to the arm headDistance of (2) distance L 5 To balance the distance from the oil cylinder supporting point to the arm hinge point, L 6 Is the distance from the gravity center of the arm to the supporting point of the balance cylinder.
Compared with the prior art, the invention has the advantages that: the load weights at different current positions are measured through the pressure sensor and the length angle sensor, and are calculated through the controller and compared with the load graph, so that the current vehicle body stable state is judged, the phenomenon that the whole vehicle is tipped due to the change of the gravity center is avoided, and the phenomenon that the whole vehicle is influenced by the ground state and the false alarm is caused can be avoided.
Drawings
FIG. 1 is a schematic diagram of a multifunctional work vehicle and a safety protection device according to an embodiment of the present invention;
FIG. 2 is a chart of the load of the utility vehicle shown in FIG. 1;
FIG. 3 is a schematic diagram of a force analysis of the boom of the utility vehicle shown in FIG. 1;
fig. 4 is a force analysis schematic diagram of the whole multifunctional working vehicle shown in fig. 1.
In the accompanying drawings: 1. a vehicle body; 2. a first arm; 3. a first cylinder; 4. a second cylinder; 5. a first sensor; 6. a second sensor; 7. and a third sensor.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
1-4, a safety protection device of a multifunctional working vehicle for an oil field mainly comprises a balance pressure sensor, a pitching pressure sensor, a length angle sensor, a controller, an audible and visual alarm and a display, wherein the balance pressure sensor, the pitching pressure sensor, the length angle sensor, the audible and visual alarm and the display are all in signal connection with the controller.
The balance pressure sensor is respectively arranged on the big and small cavities of the balance oil cylinder and used for measuring the stress of the balance oil cylinder, the pitching pressure sensor is respectively arranged on the big and small cavities of the pitching oil cylinder and used for measuring the stress of the pitching oil cylinder, the length angle sensor is arranged on the first arm 2 and used for measuring the extension length of the suspension arm and the inclination angle of the chassis of the vehicle body 1, the controller is arranged on the vehicle body 1 and used for controlling the switch of the audible-visual annunciator, the real-time display of the display and the safe limit of the operation handle, so that the vehicle body 1 is prevented from tipping due to misoperation of a driver, and the audible-visual annunciator and the display are arranged in the cab and play a role in reminding the driver.
The patent of the invention is implemented in the following steps:
when the multifunctional work vehicle-mounted object for the oil field is lifted and stretched, the pitching oil cylinder and the balance oil cylinder start to work to push the suspension arm to lift, the pressure sensor of the large cavity and the small cavity of the pitching oil cylinder and the pressure sensor of the large cavity and the small cavity of the balance oil cylinder detect the stress of the oil cylinder, the length angle sensor detects the extending length of the current suspension arm and the angle between the arm and the chassis, and then the load center weight and the suspension arm state detected by the sensor are displayed on a display in real time for the driver to refer to operation, and if the vehicle body structure has a tipping risk, the audible and visual alarm can give an alarm.
Referring to fig. 3 and 4, fig. 4 is a stress analysis model of the multifunctional working vehicle for oil field in working state; FIG. 3 is a force analysis model of an oilfield multi-function work vehicle with an arm in an operational state.
In the working process of the multifunctional working vehicle for the oil field, the moment generated by the received force is as follows:
(1) The stabilizing moment generated by the dead weight of the multifunctional operation vehicle for the oil field is as follows:
M 1 ＝G(0.5L 1 +C)
wherein: g-self weight of multifunctional operation vehicle for oil field;
L 1 -tyre pitch;
c, the horizontal distance between the hinge point and the center of gravity;
(2) Moment generated by lifting load is calculated by adopting pressure born by a pitching oil cylinder:
F 1 L 2 cosαcosβ+F 1 L 2 sinαsinβ+F 2 L 5 cosαcosγ+F 2 L 5 sinαsinγ-W(L 2 +L 3 +: 4 )cosα
-G 2 (: 2 +L 4 )cosα＝0
namely: f (F) 1 L 2 cos(α-β)+F 2 L 5 cos(α-β)＝W(L 2 +L 3 +L 4 )cosα+G 2 (: 2 +: 4 )cosα
Wherein: g 2 -arm gravity;
w-represents load gravity;
L 2 -distance of the pitch cylinder support point to the arm hinge point;
L 3 -distance of the centre of gravity of the arm to the support point of the pitch cylinder;
L 4 -the distance of the centre of gravity of the arm from the distance of the arm head;
L 5 -balancing the distance of the cylinder support point to the arm hinge point;
L 6 -distance of the centre of gravity of the arm to the support point of the balancing cylinder;
F 1 -the pressure to which the pitch cylinder is subjected;
F 2 -balancing the pressure to which the cylinder is subjected;
will be F 1 L 2 cos(α-β)+F 2 L 5 cos(α-β)＝W(L 2 +L 3 +L 4 )cosα+G 2 (L 2 +L 4 ) The moment generated by the gravity of the load and the gravity of the arm, namely M, is obtained after the cosalpha is finished q ：
M q ＝F 1 L 2 cos(α-β)+F 2 L 5 cos(α-β)＝W(L 2 +L 3 +L 4 )cosα+G 2 (L 2 +L 4 )cosα
From the above, it can be seen that the moment M generated by the weight of the load and the weight of the arm is to be determined q Only the pressure F applied by the pitching cylinder is measured or determined 1 I.e. the supporting force of the pitching cylinder and the pressure F exerted by the balancing cylinder 2 Namely, the supporting force of the balance cylinder, the arm inclination angle alpha, the inclination angle beta of the pitching cylinder and the inclination angle gamma of the balance cylinder, wherein the inclination angle beta can be represented by l 2 And a function of α to find β=f (L 2 α), the tilt angle γ can be found γ=f (L) from a function of L5 and α 5 ，α)。
Concluding that: at Mq<M 1 And the multifunctional operation vehicle for the oil field is in a stable state.
While the embodiments of the present patent have been illustrated and described, the basic principles, main features and advantages of the present invention have been illustrated and described, and are not thereby limiting the scope of the present patent. Those of ordinary skill in the art will appreciate that: the present invention is not limited to the above embodiments, but rather, in addition to the above embodiments, various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, and all such modifications and alterations are intended to be within the scope of the invention as defined by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof. The technical features of the present invention that are not described may be implemented by or using the prior art, and are not described herein.

Claims (8)

1. The utility model provides a safety arrangement of multi-functional operation car for oil field, multi-functional operation car includes automobile body (1), first festival arm (2), first hydro-cylinder (3) and second hydro-cylinder (4), first festival arm (2) rotate and connect in upper end one side of automobile body (1), first hydro-cylinder (3) and second hydro-cylinder (4) install side by side in lower extreme one side of first festival arm (2), the both ends of first hydro-cylinder (3) and second hydro-cylinder (4) rotate respectively and connect automobile body (1) and first festival arm (2), a serial communication port, include: the controller is installed on the automobile body (1), installs first sensor (5) on first arm (2), installs second sensor (6) on first hydro-cylinder (3) big or small chamber, installs third sensor (7) on second hydro-cylinder (4) big or small chamber, the equal signal connection controller of first sensor (5), second sensor (6) and third sensor (7).
2. The safety protection device for a multifunctional working vehicle for oil fields according to claim 1, wherein: the automobile further comprises a display, wherein the display is arranged in a cab of the automobile body (1) and is in signal connection with the controller.
3. The safety protection device for a multifunctional working vehicle for oil fields according to claim 1, wherein: the system also comprises an audible and visual alarm which is connected with the controller through signals.
4. The safety protection device for a multifunctional working vehicle for oil fields according to claim 1, wherein: the first sensor (5) is a length angle sensor and is used for measuring the extension length of the cantilever of the multifunctional working vehicle and the angle relative to the plane of the vehicle body.
5. The safety protection device for a multifunctional working vehicle for oil fields according to claim 1, wherein: the first oil cylinder (3) is a pitching oil cylinder, and the second sensor (6) is a pitching pressure sensor and is used for measuring stress of the pitching oil cylinder.
6. The safety protection device for a multifunctional working vehicle for oil fields according to claim 1, wherein: the second oil cylinder (4) is a balance oil cylinder, and the third sensor (7) is a balance pressure sensor and is used for measuring the stress of the balance oil cylinder.
7. A safety protection device for a multifunctional working vehicle for oil field according to claim 3, wherein: the controller controls the motion of the vehicle body, the switch of the audible and visual alarm and the real-time display of the display.
8. The safety protection device for a multifunctional working vehicle for oilfield according to any one of claims 1 to 7, wherein: when Mq is more than or equal to M1, the controller sends out an alarm signal, wherein M1 is a stable moment generated by the dead weight of the working vehicle, mq is a moment generated by the gravity of a load and the gravity of an arm, and a calculation formula is as follows:
M q ＝F 1 L 2 cos(α-β)+F 2 L 5 cos(α-β)＝W(L 2 +L 3 +L 4 )cosα+G 2 (L 2 +L 4 )cosα
wherein: f (F) 1 Is the pressure and F of the pitching oil cylinder 2 For balancing the pressure exerted by the cylinders, alpha is the arm inclination angle, beta is the inclination angle of the pitching cylinder, L 2 Is the distance from the supporting point of the pitching oil cylinder to the arm hinge point, L 3 For the distance from the gravity center of the arm to the supporting point of the pitching oil cylinder, L 4 Distance L is the distance from the center of gravity of the arm to the head of the arm 5 To balance the distance from the oil cylinder supporting point to the arm hinge point, L 6 Is the distance from the gravity center of the arm to the supporting point of the balance cylinder.
CN202310446743.0A 2023-04-24 2023-04-24 Safety protection device of multifunctional operation vehicle for oil field Pending CN116534744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310446743.0A CN116534744A (en) 2023-04-24 2023-04-24 Safety protection device of multifunctional operation vehicle for oil field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310446743.0A CN116534744A (en) 2023-04-24 2023-04-24 Safety protection device of multifunctional operation vehicle for oil field

Publications (1)

Publication Number Publication Date
CN116534744A true CN116534744A (en) 2023-08-04

Family

ID=87451587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310446743.0A Pending CN116534744A (en) 2023-04-24 2023-04-24 Safety protection device of multifunctional operation vehicle for oil field

Country Status (1)

Country Link
CN (1) CN116534744A (en)

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