Mechanical fastening stability monitoring device for beam-pumping unit

Abstract

The utility model relates to the technical field of beam-pumping unit detection, in particular to a mechanical fastening stability monitoring device for a beam-pumping unit, which comprises a detection box and a beam-pumping unit, the detection box is positioned on one side of the beam-pumping unit, and the inner bottom wall of the detection box is fixedly connected with a first mounting piece; and one side of the first mounting piece is connected with a second mounting piece through a bolt. According to the improved monitoring device, monitoring pieces with acceleration sensors are directly installed on a crank device of the beam-walking machine, the top of a horse head, the midpoint of a walking beam and other key parts, acceleration changes of different parts can be comprehensively captured, and the whole monitoring device is stored in a unified mode through a detection box. The built-in jacking assembly can flexibly adjust the height of the detection table, and the comfort of the working environment is improved; the display platform can be overturned to the optimal observation position through the hydraulic rod, and the expansion plate of the detection platform can provide an additional operation space when needed, so that tools and the like are convenient to place, and the operation convenience is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the walking beam pumping unit detection technical field, concretely is mechanical fastening stability monitoring devices for walking beam pumping unit. BACKGROUND

[0002] The walking beam pumping unit is a common oil pumping equipment, and is mainly used for lifting underground crude oil to the ground. It is usually composed of a walking beam, a horse head, a crank connecting rod mechanism, a support, a balance block, a reduction box, a motor and the like.

[0003] The mechanical fastening stability monitoring device for the walking beam pumping unit is a device specially designed for the walking beam pumping unit, and is used for monitoring the mechanical stability of the pumping unit in the running process. The device monitors the mechanical stability of the walking beam pumping unit in real time through monitoring pieces and sensors installed at different parts of the walking beam machine, and discovers hidden troubles that may cause mechanical failure in advance, such as loose parts.

[0004] The inventor found the following problems in the prior art in the process of implementing the utility model: 1. There is a monitoring method that uses the shaking of the wire rope of the hanger to reflect the mechanical fastening stability, but this can only indirectly detect the problems of the parts related to the hanger, and may not be able to timely and accurately monitor the looseness or abnormality of other parts; 2. There is no special design for different specifications of pumping units, and the adaptability to some special or non-standard pumping units is poor in actual application. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a mechanical fastening stability monitoring device for a walking beam pumping unit to solve the problems raised in the background art. To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mechanical fastening stability monitoring device for a walking beam pumping unit, comprising a detection box and a walking beam machine, the detection box is located on one side of the walking beam machine, the first installation piece is fixedly connected to the inner bottom wall of the detection box, the second installation piece is connected to one side of the first installation piece through bolts, the first monitoring piece is movably connected to the surface of the first installation piece, the second monitoring piece is clamped in the inner part of the second installation piece, the detection table is movably connected to the detection box through the jacking assembly arranged on the inner bottom wall of the detection box, and the surface of the first monitoring piece and the second monitoring piece is fixedly connected with an acceleration sensor.

[0006] The first monitoring piece is adhered to the surface of the crank device of the walking beam machine, and the second monitoring piece is clamped on the top of the horse head of the walking beam machine and the outer wall at the midpoint of the walking beam.

[0007] The top of the detection box is connected with a box cover, one side of the outer wall of the detection box is rotatably connected with a flap through a hinge, the outer wall of the detection box corresponding to the box cover is rotatably connected with an elastic clasp, the outer wall of the detection box corresponding to the flap is rotatably connected with a stop block, and the flap is clamped on the outer part of the detection box through the stop block.

[0008] The second monitoring member is composed of two square positioning plates, the positioning plates are connected into one through connecting rods, the bottom of one of the positioning plates is movably connected with a C-shaped buckle through a spring, and the outer wall of the other positioning plate is fixedly connected with a circular protruding structure matched with the C-shaped buckle.

[0009] The jacking assembly is composed of two circular columns, the two circular columns are fixed to the inner bottom wall of the detection box and located at one end of the first mounting member and the second mounting member, the circular columns of the jacking assembly are rotatably connected with worm gears, the worm gears are rotatably connected with lead screws above, the shaft head of the bottom of the lead screw penetrates the shaft of the worm gear and is fixedly connected with the same, and the outer wall of the circular column of the jacking assembly is rotatably connected with a worm.

[0010] The detection table is rotatably connected with a gear at one side of the bottom, the gear is meshingly connected with a rack, the rack is fixed to the inner wall of the detection box, the outer wall of the detection table is rotatably connected with hydraulic rods at both ends, the surface of the detection table is rotatably connected with display platforms, and the power output ends of the hydraulic rods are rotatably connected with one side of the corresponding display platforms.

[0011] Further preferably, the bottom of the detection box is rotatably connected with a locking universal wheel, the top of the box cover corresponding to the elastic clasp is connected with a clamping block matched with the elastic clasp through a bolt, the top of the box cover is rotatably connected with a handle, and the bottom of the box cover is fixedly connected with a protective layer, the inner layer of the protective layer is a high-elasticity sponge layer, the outer layer is a fabric layer, and the protective layer is tightly attached to the top of the display platform.

[0012] Further preferably, the surface of the first mounting member is provided with a rectangular slot for embedded plug-in connection of the first monitoring member, one end of the slot is fixedly connected with a shaft rod sleeved with adhesive tape, the first monitoring member is made of silica gel material, the acceleration sensor is fixed at the midpoint of the first monitoring member, the acceleration sensor is composed of two square plate bodies made of polycarbonate material, the surface of one plate body is provided with a slot for embedded plug-in connection of a sensing element, the surface of the other plate body is provided with a visible window for inlaid tempered glass, and the two plate bodies are fixedly connected through bolts.

[0013] Further preferably, the second mounting member is composed of a constant force spring, a spring positioning shaft and a vertical plate, one end of the constant force spring is fixed to the inner bottom wall of the detection box by a bolt, the rest part is wrapped around the outer wall of the spring positioning shaft, the vertical plate is rotatably connected to the two ends of the positioning shaft, the vertical plate is slidably connected to the inside of the detection box, the bottom of the first monitoring member and the second monitoring member is above the constant force spring fixed by the bolt, and the vertical plate is clamped in the inside of the detection box.

[0014] Further preferably, the worm is coaxially connected, the outer wall of the jacking assembly is provided with a notch corresponding to the position of the worm, the worm is meshingly connected with the worm gear through the notch, and the top of the lead screw penetrates through the notch arranged on the surface of the detection table and is threadedly connected with the inner wall of the notch.

[0015] Further preferably, the detection table is provided with a lifting structure in the inside of the detection box through a screw, the gear and the rack are symmetrically distributed along the axial point of the detection table, the gear is provided with a transmission structure on the surface of the rack, the display platform is turned over by 45 degrees on the surface of the detection table through the driving of the hydraulic rod, the inside of the detection table is provided with a notch for embeddedly and slidably connecting the expansion plate, the expansion plate is provided with a handle on the outer wall, and the expansion plate is on the same side with the turning plate.

[0016] Further preferably, the positioning plate is made of polycarbonate material and is internally wrapped with a rubber layer, and the connecting rod is a telescopic structure composed of an inner sleeve rod and an outer sleeve rod, one end of the outer sleeve rod is fixed to the positioning plate provided with the acceleration sensor, and the inner sleeve rod is fixed to the inner wall of the other positioning plate.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] In the utility model, the protective layer at the bottom of the box cover, the inner high-elastic sponge and the outer fabric can effectively protect the display platform from external impact; the two groups of monitoring members provided by the first and second mounting members provide a stable storage and fixing mode, avoid displacement and collision of the monitoring members in the transportation process, and ensure the safety of the sensor; the device directly installs the monitoring member with the acceleration sensor at the crank device, the top of the horse head and the midpoint of the walking beam of the walking beam machine, can comprehensively capture the acceleration changes of different parts, compared with the monitoring mode of relying on the shaking of the wire rope of the suspension rope device, the device is no longer limited to indirect detection of the related parts of the suspension rope device, but simultaneously monitors multiple key parts of the walking beam machine, can timely and accurately find the loosening or abnormal conditions of more parts, greatly widens the monitoring range, and improves the comprehensiveness and accuracy of the overall mechanical fastening stability monitoring of the walking beam machine.

[0019] In this invention, the bottom of the testing box is equipped with locking casters, allowing for quick movement to the testing point of the beam crane. Once locked, it is placed stably, providing convenience and speed. The lifting assembly can flexibly adjust the height of the testing platform, improving the comfort of the working environment. The display platform can be flipped to the optimal observation position via a hydraulic rod, and the expansion plate of the testing platform can provide additional operating space when needed, facilitating the placement of tools, greatly improving operational convenience. The first monitoring component is made of silicone, which can be bent to fit the surface of the crank device and is fixed with tape, making installation convenient. The positioning plates of the second monitoring component are connected by a telescopic connecting rod, allowing for adjustment of the spacing according to the donkey head and beam body of different specifications of the beam crane. It is also fixed with unique C-type buckles and bolts, ensuring stable installation and adaptability to various working conditions, thus improving the versatility and flexibility of the monitoring device. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the testing box of this utility model;

[0021] Figure 2 This is a schematic diagram showing the installation positions of the first and second monitoring components of this utility model.

[0022] Figure 3 This is a schematic diagram of the internal structure of the testing box of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the first mounting component and the second mounting component of this utility model;

[0024] Figure 5 This is a schematic diagram of the lifting assembly and testing platform of this utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the second monitoring component of this utility model.

[0026] In the diagram: 1. Testing box; 101. Box cover; 102. Flip plate; 103. Elastic retaining ring; 104. Stop block; 2. Walking beam machine; 3. First mounting component; 4. Second mounting component; 5. First monitoring component; 6. Second monitoring component; 601. Positioning plate; 602. Connecting rod; 603. C-type buckle; 7. Lifting assembly; 701. Worm gear; 702. Lead screw; 703. Worm; 8. Testing table; 801. Gear; 802. Rack; 803. Hydraulic rod; 804. Display platform; 805. Extension plate; 9. Accelerometer sensor. Detailed Implementation

[0027] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by the ordinary technical personnel in the field without creative labor fall within the scope of protection of the present utility model.

[0028] Please refer to Figures 1 to 6 The utility model provides a technical scheme: beam pumping unit with mechanical fastening stability monitoring device, including detection box 1 and beam machine 2, detection box 1 is located in one side of beam machine 2, the inside bottom wall of detection box 1 is fixedly connected with first mounting piece 3, one side of first mounting piece 3 is connected with second mounting piece 4 through bolt, the surface of first mounting piece 3 is movably connected with first monitoring piece 5, the inside of second mounting piece 4 is clampedly connected with second monitoring piece 6, detection box 1 is movably connected with detection table 8 through the jacking assembly 7 set in its inside bottom wall, the surface of first monitoring piece 5 and second monitoring piece 6 is all fixedly connected with acceleration sensor 9.

[0029] First monitoring piece 5 is adhered to the surface of the crank device of beam machine 2, and second monitoring piece 6 is clamped on the top of the horse head of beam machine 2 and the outer wall at the midpoint of the beam respectively.

[0030] The top of detection box 1 is connected with a cover 101, and the outer wall of detection box 1 is rotatably connected with a flap 102 through a hinge; the outer walls of detection box 1 corresponding to the cover 101 are rotatably connected with elastic clamps 103, and the outer wall of detection box 1 corresponding to the flap 102 is rotatably connected with a stop block 104; the flap 102 is clamped on the outside of detection box 1 through the stop block 104.

[0031] Second monitoring piece 6 is composed of two square positioning plates 601, which are connected into one body through connecting rods 602; the bottom of one of the positioning plates 601 is movably connected with a C-shaped buckle 603 through a spring, and the outer wall of the other positioning plate 601 is fixedly connected with a circular protruding structure that is clamped with the C-shaped buckle 603; grooves for threadedly connecting bolts are formed on the surface of the positioning plate 601 with the circular protruding structure and the C-shaped buckle 603.

[0032] The jacking assembly 7 is composed of two circular columns, which are fixed to the inner bottom wall of detection box 1 and located at one end of the first mounting piece 3 and the second mounting piece 4; worm gears 701 are rotatably connected in the circular columns of the jacking assembly 7; lead screws 702 are rotatably connected above the worm gears 701; the shaft heads at the bottom of the lead screws 702 penetrate the shafts of the worm gears 701 and are fixedly connected therewith; and worm gears 703 are rotatably connected to the outer walls of the circular columns of the jacking assembly 7.

[0033] The bottom of the detection table 8 is rotatably connected with a gear 801, the gear 801 is meshingly connected with a rack 802, the rack 802 is fixed to the inner wall of the detection box 1, the outer wall of the detection table 8 is rotatably connected with hydraulic rods 803 at both ends, and the surface of the detection table 8 is rotatably connected with display platforms 804, and the power output ends of the hydraulic rods 803 are rotatably connected with one side of the corresponding display platforms 804.

[0034] In the embodiment, as shown in Figure 1 and Figure 3 , the bottom of the detection box 1 is rotatably connected with a locking universal wheel, and the top of the box cover 101 corresponds to the position of the elastic snap ring 103, and is connected with a clamping block matched with the elastic snap ring 103 through a bolt, and the top of the box cover 101 is rotatably connected with a handle, and the bottom of the box cover 101 is fixedly connected with a protective layer, the inner layer of which is a high-elasticity sponge layer, and the outer layer is a fabric layer, and the protective layer is tightly attached to the top of the display platform 804; the entire monitoring device is integrated in the detection box 1, so that the operator can quickly reach the monitoring position, reducing unnecessary manpower and equipment moving time, and the protective layer at the bottom of the box cover 101 can prevent the display platform 804 from being damaged due to external impact during the closing or transportation of the box cover 101.

[0035] In the embodiment, as shown in Figure 3 and Figure 4 , the surface of the first mounting member 3 is provided with a rectangular slot for embedded insertion connection with the first monitoring member 5, one end of the slot is fixedly connected with a shaft rod sleeved with a rubber band, and the first monitoring member 5 is made of silica gel, and the acceleration sensor 9 is fixed at the midpoint of the first monitoring member 5, the acceleration sensor 9 is composed of two square plate bodies made of polycarbonate, one surface of one plate body is provided with a slot for embedded insertion of a sensing element, the surface of the other plate body is provided with a visible window for inlaid tempered glass, and the two plate bodies are fixedly connected by bolts; the rectangular slot on the surface of the first mounting member 3 can realize embedded insertion connection with the first monitoring member 5, providing accurate positioning for installation, the material of the first monitoring member 5 has good flexibility and elasticity, which can not only adapt to the shape of the surface of the walking beam machine 2 crank device, realize close fitting, and improve the accuracy of sensor measurement; also can buffer the vibration and impact force generated during the operation of the walking beam machine 2, protect the acceleration sensor 9, prolong its service life, and the first monitoring member 5, the second monitoring member 6 and the acceleration sensor 9 are made of light and high-hardness material, which will not increase the additional load of the walking beam machine 2.

[0036] In the embodiment, as shown in Figure 4As shown, the second mounting member 4 is composed of a constant force spring, a spring positioning shaft and a vertical plate, one end of the constant force spring is fixed to the inner bottom wall of the detection box 1 by a bolt, the rest part is wrapped around the outer wall of the spring positioning shaft, the vertical plate is rotatably connected to the two ends of the positioning shaft, and the vertical plate is slidably connected to the inside of the detection box 1, the bottom of the first monitoring member 5 and the second monitoring member 6 is attached to the top of the constant force spring fixed by a bolt, and the vertical plate is clamped in the detection box 1; when the second monitoring member 6 needs to be stored in the detection box 1, only the bottom is attached to the top of the constant force spring, and the spring is fixed in the appropriate position by the elasticity of the spring, which is convenient and fast, and makes full use of the internal space of the detection box 1, provides a compact and orderly storage mode, and avoids the displacement of the second monitoring member 6 during transportation or handling, thereby avoiding the possibility of collision of the acceleration sensor 9.

[0037] In this embodiment, as shown in Figure 3 and Figure 5 , the worm 703 is coaxially connected, and the outer wall of the jacking assembly 7 is provided with a notch corresponding to the position of the worm 703, and the worm 703 is engagedly connected with the worm gear 701 through the notch, and the top of the lead screw 702 penetrates through the notch provided on the surface of the detection table 8 and is threadedly connected with the inner wall of the notch; due to the simple environment of field oilfield operation, in this case, the height adjustment function of the detection table 8 can adjust it to the appropriate height to ensure that the display platform 804 is in a position convenient for observation, and improve the comfort of long-time operation.

[0038] In this embodiment, as shown in Figure 3 and Figure 5 , the detection table 8 is provided with a spiral transmission structure through the lead screw 702, and a lifting structure is formed in the inside of the detection box 1, the gear 801 and the rack 802 are distributed symmetrically along the axis of the detection table 8, the gear 801 forms a transmission structure on the surface of the rack 802, and the display platform 804 is turned by 45° on the surface of the detection table 8 through the driving of the hydraulic rod 803, the detection table 8 is provided with a notch for embedded sliding connection of the expansion plate 805, the expansion plate 805 is provided with a handle on the outer wall, and the expansion plate 805 is on the same side as the flap 102; first, in the simple environment with poor light conditions, the operator can flexibly adjust the angle of the display platform 804 to reduce the interference of light reflection on the reading, the structure of the gear 801 and the rack 802 enables the detection table 8 to remain horizontal during lifting, avoiding instability of the equipment or measurement error due to inclination, when more tools, record forms or other auxiliary equipment need to be placed, the operator can slide the expansion plate 805 out through the handle, in the field or simple working site, the expansion plate 805 provides additional operating space, which is convenient for arranging and placing articles, and improves the convenience of work.

[0039] In this embodiment, as shown in Figure 6 The positioning plate 601 is made of polycarbonate material and covered with a rubber layer, and the connecting rod 602 is a telescopic structure composed of an inner sleeve rod and an outer sleeve rod. The outer sleeve rod is fixed to one end of the positioning plate 601 provided with the acceleration sensor 9, and the inner sleeve rod is fixed to the inner wall of the other positioning plate 601. The rubber layer inside has good buffering and anti-skid performance, which can further reduce the influence of the walking beam machine 2 vibration on the acceleration sensor 9. At the same time, the anti-skid effect of the rubber layer increases the friction between the positioning plate 601 and the surface of the walking beam machine 2 components. Even when the walking beam machine 2 is running at high speed or in complex working conditions, the positioning plate 601 can be firmly fixed on the surface of the components. The telescopic structure of the connecting rod 602 enables the second monitoring member 6 to flexibly adapt to the walking beam machine 2 of different specifications, greatly improving the versatility and applicability of the monitoring device.

[0040] The use method and advantages of the utility model are as follows:

[0041] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, first use the universal locking wheel at the bottom of the detection box 1 to easily move the device to the detection point of the walking beam machine 2, after reaching, lock the universal wheel, ensure that the detection box 1 is stably placed, peel off the elastic retaining ring 103 from the buckle on the surface of the box cover 101, remove the box cover 101, and at the same time rotate the stop block 104 to flip open the flap 102, connect the internal power module of the detection box 1, which can supply power to the internal electrical elements, and the charging port is arranged on the outside of the detection box 1, which is convenient for charging at any time, start the power supply at one end of the jacking assembly 7 to make the worm 703 rotate synchronously, the worm 703 drives the two groups of worm gears 701 engaged with it to rotate, and then makes the two groups of lead screws 702 rotate synchronously, the detection table 8 and the lead screw 702 are connected through the screw transmission structure and extend out from the inside of the detection box 1, during the rising or falling process of the detection table 8, the two gears 801 at the bottom are in meshing transmission and relative motion on the surface of the rack 802, which ensures the stable operation of the detection table 8, the first monitoring member 5 and the second monitoring member 6 are taken out from the inside of the detection box 1, the installation position of the crank device, the top of the horse head and the outer wall at the midpoint of the walking beam of the walking beam machine 2 are cleaned, and the surface stains, dust and other impurities are removed to ensure the firmness of the installation of the monitoring member, the first monitoring member 5 is adhered to the surface of the crank device of the walking beam machine 2 through the adhesive tape sleeved on the shaft of the first mounting member 3, since the first monitoring member 5 is made of silica gel material and has flexibility, it can be bent according to the shape of the surface of the crank device to realize close fitting, for the second monitoring member 6, the interval between the two groups of positioning plates 601 is adjusted according to the specifications of the horse head and the walking beam body of the walking beam machine 2 by using the telescopic structure of the connecting rod 602, the second monitoring member 6 is clamped on the top of the horse head and the outer wall at the midpoint of the walking beam of the walking beam machine 2 respectively by means of the lifting device, after the preliminary positioning of the positioning plate 601 is completed, the C-shaped buckle 603 is clamped and fixed with the circular protruding structure on the surface of the other positioning plate 601, and then the bolt is further reinforced, the cylindrical helical compression spring on one side of the C-shaped buckle 603 can stretch and provide high-strength bearing capacity to ensure the stable installation of the second monitoring member 6, the display platform 804 is rotated to the best observation position by the hydraulic rod 803 to ensure that the monitoring personnel can clearly observe, the power supply of the walking beam machine 2 is started to make it start normal operation, at this time, the horse head, the crank device and the walking beam body and other components will generate a relatively stable acceleration mode during the movement process, the acceleration sensor 9 (model MS3110) on the surface of the first monitoring member 5 and the second monitoring member 6 starts to work to accurately measure the acceleration change of each part, the sensor converts the acceleration signal into an electric signal, the analog signal is converted into a digital signal through the internal analog-to-digital conversion (ADC) circuit, then the digital signal is packaged and modulated through the wireless transmission module, the data is sent out according to the Bluetooth protocol, the external display platform 804 (industrial tablet computer MJ10A / MT8788 / 4+64G) opens the wireless receiving function, the built-in wireless communication chip receives the wireless signal from the sensor, and processes the signal by demodulation, unpacking and other processes, and restores the digital signal to the original acceleration data,Real-time display is carried out, so that the monitoring personnel carry out monitoring and analysis, if other instruments need to be placed during the monitoring process, the expansion plate 805 of the detection table 8 can be pulled out for placing tools, record forms and the like, after the monitoring work is completed, the first monitoring member 5 and the second monitoring member 6 are removed, the first monitoring member 5 is installed back into the detection box 1 through the clamping groove of the first mounting member 3, the vertical plate of the second mounting member 4 is pulled to the position of the first mounting member 3, the spring sheet positioning shaft rod is rotated, the constant force spring sheet is unfolded, the two groups of second monitoring members 6 are orderly placed, the vertical plate is loosened, the spring sheet positioning shaft rod is reset under the elastic action of the constant force spring sheet, the vertical plate is blocked on the outer wall of the second monitoring member 6, the storage is completed, the flap 102 is rotated, the stop block 104 is used to clamp and fix outside the detection box 1, the display platform 804 is rotated back to the initial position, the detection table 8 is lowered and reset to the inside of the detection box 1 through reverse operation of the jacking assembly 7, the box cover 101 is covered, the elastic clamping ring 103 is clamped with the clamping block on the surface of the box cover 101, and the whole equipment is stored for next use.

[0042] The basic principle, main characteristics and advantages of the utility model are shown and described above. The technical workers in the industry should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mechanical fastening stability monitoring device for beam pumping unit, comprising a detection box (1) and a beam machine (2), characterized in that: The detection box (1) is located on one side of the walking beam machine (2), the first installation part (3) is fixedly connected to the inner bottom wall of the detection box (1), the second installation part (4) is connected to one side of the first installation part (3) through bolts, the first monitoring part (5) is movably connected to the surface of the first installation part (3), the second monitoring part (6) is clamped to the inner wall of the walking beam machine (2) at the top of the walking beam machine (2) and the midpoint of the walking beam respectively, the acceleration sensor (9) is fixedly connected to the surface of the first monitoring part (5) and the second monitoring part (6). The first monitoring part (5) is adhered to the surface of the crank device of the walking beam machine (2), and the second monitoring part (6) is clamped to the outer wall of the walking beam machine (2) at the top of the walking beam machine (2) and the midpoint of the walking beam respectively. The top of the detection box (1) is connected with the box cover (101), the outer wall of the detection box (1) is rotatably connected with the flap (102) through the hinge, the outer wall of the detection box (1) is rotatably connected with the elastic clasp (103) corresponding to the box cover (101), the outer wall of the detection box (1) is rotatably connected with the stop block (104) corresponding to the flap (102), and the flap (102) is clamped to the outside of the detection box (1) through the stop block (104). The second monitoring part (6) is composed of two square positioning plates (601), the positioning plates (601) are connected into one through the connecting rods (602), the bottom of one of the positioning plates (601) is movably connected with the C-shaped buckle (603) through the spring, the outer wall of the other positioning plate (601) is fixedly connected with the circular protruding structure clamped with the C-shaped buckle (603), and the surface of the positioning plate (601) provided with the circular protruding structure and the C-shaped buckle (603) is provided with a slot for threadedly connecting the bolt. The jacking assembly (7) is composed of two circular columns, and the two circular columns are fixed to the inner bottom wall of the detection box (1) and located at one end of the first installation part (3) and the second installation part (4), the worm gear (701) is rotatably connected in the circular column of the jacking assembly (7), the lead screw (702) is rotatably connected above the worm gear (701), the shaft of the bottom of the lead screw (702) penetrates the shaft of the worm gear (701) and is fixedly connected therewith, and the outer wall of the circular column of the jacking assembly (7) is rotatably connected with the worm (703). The detection table (8) is rotatably connected with the gear (801) on one side of the bottom, the gear (801) is meshedly connected with the rack (802), the rack (802) is fixed to the inner wall of the detection box (1), the outer wall of the detection table (8) is rotatably connected with the hydraulic rod (803) at both ends, and the surface of the detection table (8) is rotatably connected with the display platform (804).

2. The mechanical fastening stability monitoring device for a beam-type pumping unit according to claim 1, characterized in that: The bottom of the detection box (1) is rotationally connected with a locking universal wheel, and the top of the box cover (101) corresponds to the position of the elastic snap ring (103), and both are connected with the clamping block clamped with the elastic snap ring (103) through bolts, and the top of the box cover (101) is rotationally connected with a handle, and the bottom of the box cover (101) is fixedly connected with a protective layer, the inner layer of which is a high-elasticity sponge layer, and the outer layer is a fabric layer, and the protective layer is closely attached to the top of the display platform (804).

3. The mechanical fastening stability monitoring device for a beam-type pumping unit according to claim 1, characterized in that: The surface of the first mounting piece (3) is provided with a rectangular notch for embedded plug-in connection of the first monitoring piece (5), one end of the notch is fixedly connected with a shaft rod sleeved with adhesive tape, the first monitoring piece (5) is made of silica gel material, and the acceleration sensor (9) is fixed at the midpoint of the first monitoring piece (5), the acceleration sensor (9) is composed of two square plate bodies made of polycarbonate material, a notch for embedded plug-in connection of a sensing element is formed on the surface of one plate body, and a visible window for inlaying tempered glass is formed on the surface of the other plate body, and the two plate bodies are fixedly connected by bolts.

4. The mechanical fastening stability monitoring device for a beam-type pumping unit according to claim 1, characterized in that: The second mounting piece (4) is composed of a constant force spring piece, a spring piece positioning shaft rod and a vertical plate, one end of the constant force spring piece is fixed to the inner bottom wall of the detection box (1) by a bolt, the rest part is wrapped around the outer wall of the spring piece positioning shaft rod, and the vertical plate is rotationally connected with both ends of the positioning shaft rod, the vertical plate is slidingly connected inside the detection box (1), and the bottom of the first monitoring piece (5) and the second monitoring piece (6) is attached above the constant force spring piece fixed by a bolt, and the vertical plate is clamped inside the detection box (1).

5. The mechanical fastening stability monitoring device for a beam-type pumping unit according to claim 1, characterized in that: The worm (703) is coaxially connected, and the outer wall of the jacking assembly (7) is provided with a notch corresponding to the position of the worm (703), and the worm (703) is meshingly connected with the worm gear (701) through the notch, and the top of the lead screw (702) penetrates through the notch provided on the surface of the detection table (8) and is threadedly connected with the inner wall of the notch.

6. The mechanical fastening stability monitoring device for a beam-type pumping unit according to claim 1, characterized in that: The detection table (8) constitutes a screw transmission structure through the lead screw (702), and constitutes a lifting structure inside the detection box (1), and the gear (801) and the rack (802) are distributed symmetrically along the axis point of the detection table (8), and the gear (801) constitutes a transmission structure on the surface of the rack (802), and the display platform (804) is turned over by 45° on the surface of the detection table (8) driven by the hydraulic rod (803), the detection table (8) is provided with a notch for embedded sliding connection of the expansion plate (805) inside, the expansion plate (805) is provided with a handle on the outer wall, and the expansion plate (805) is on the same side of the flap (102).

7. The mechanical fastening stability monitoring device for a beam-type pumping unit according to claim 1, characterized in that: The positioning plate (601) is made of polycarbonate material, and the inner wall is covered with a rubber layer, and the connecting rod (602) is a telescopic structure composed of an inner sleeve rod and an outer sleeve rod, one end of the outer sleeve rod is fixed to the positioning plate (601) provided with the acceleration sensor (9), and the inner sleeve rod is fixed to the inner wall of the other positioning plate (601).

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