CN116122777A

CN116122777A - Intelligent friction reversing tower type pumping unit

Info

Publication number: CN116122777A
Application number: CN202310346042.XA
Authority: CN
Inventors: 朱兆见; 潜凌; 王德钢; 辛健; 张秀翰; 王肖磊
Original assignee: Shandong Plateau Oil And Gas Equipment Co ltd
Current assignee: Shandong Plateau Oil And Gas Equipment Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-05-16

Abstract

The invention relates to the field of oil pumping units, in particular to an intelligent friction reversing tower type oil pumping unit. The speed is unusual after the roller breaks down, makes belt movement speed too fast, leads to the sucker rod to damage, and after the belt broke, the balancing weight lost the atress and drops downwards, influences normal use. The oil injection device comprises a speed reduction assembly, wherein the speed reduction assembly comprises a first fixing frame, oil injection cylinders which are symmetrically distributed are fixedly connected to a fixing platform, a piston is slidably connected to the oil injection cylinders, an L-shaped frame matched with the first fixing frame is fixedly connected to one end of the piston, and an oil delivery pipe is fixedly connected to the oil injection cylinders. When the speed of the transmission shaft is abnormal, the transmission shaft is braked after retarded through the speed reducing component, the speed is prevented from being too fast, the brake component breaks down, the hydraulic transmission oil is directly sprayed onto the oil baffle through the through hole at the distribution cylinder, the speed reducing effect is improved, and after the belt breaks or the sucker rod breaks, the balancing weight is braked through the anti-falling component.

Description

Intelligent friction reversing tower type pumping unit

Technical Field

The invention relates to the technical field of oil pumping units, in particular to an intelligent friction reversing tower type oil pumping unit.

Background

The pumping unit is the most main lifting equipment in the pumping system with a rod, and is divided into two main types of beam pumping units and non-beam pumping units according to the existence of a beam, wherein the non-beam pumping unit is also called a tower type pumping unit, and compared with the beam pumping unit, the tower type pumping unit has the characteristics of large stroke, small load, energy conservation, small occupied area, steel conservation and the like, and has rapid development in recent years.

When the tower type pumping unit works, the motor arranged on the upper platform drives the roller shaft to be matched with the balancing weight, the extension or shortening of the belt is controlled to carry out pumping work, the belt is gradually thinned and is gradually smooth due to the increase of friction time in the use process, slipping is easy to occur between the belt and the transmission shaft, the moving speed of the belt is difficult to control, when the roller shaft breaks down and the speed of the roller shaft is abnormal, the roller shaft drives the belt to move at an increased speed, the sucker rod is damaged, and when the belt breaks or the sucker rod breaks down, the balancing weight loses stress and falls down, so that danger occurs.

Disclosure of Invention

The invention provides an intelligent friction reversing tower type pumping unit with an emergency braking function, which aims to overcome the defect that a pumping unit is damaged by a balancing weight after a belt is broken after the belt moving speed is abnormal.

The technical scheme is as follows: the utility model provides an intelligent friction switching-over tower beam-pumping unit, including the base, the base rigid coupling has the support frame, the support frame rigid coupling has fixed platform, the fixed platform rigid coupling has control panel, the fixed platform rigid coupling has symmetrical distribution's first revolving stage, be connected with the transmission shaft between the first revolving stage, the fixed platform rigid coupling has the group of motors that is connected with control panel electricity, the output and the transmission shaft fixed connection of group, fixed platform rigid coupling has symmetrical distribution's bogie, transmission shaft and bogie department are provided with the belt, the one end rigid coupling of belt has the balancing weight, the first revolving stage rigid coupling that keeps away from one side of the motor group has multistage pneumatic cylinders, the fixed platform is provided with the decelerator assembly that is used for decelerating the transmission shaft, the decelerator assembly has the first mount of the tip rigid coupling with the second pole of multistage pneumatic cylinder, the fixed platform rigid coupling has symmetrical distribution's oiling section of thick bamboo, oiling section thick bamboo sliding connection has the piston, the one end rigid coupling of piston has the L-shaped frame with first mount sliding fit, oiling section thick bamboo rigid coupling has the transmission shaft fixedly connected with the transmission shaft, the fixed platform fixedly connected with the oil storage barrel that is linked with the oil pipe, the one end rigid coupling of rotation with the transmission shaft, the one end rigid coupling of rotation shaft has the balancing weight, the first revolving stage is provided with the balancing weight, the first revolving stage has the floating ball assembly to stop assembly that stops the floating ball assembly that stops the inside with the floating ball assembly that stops the transmission shaft, the inside and stops the floating ball assembly that is set up, the floating ball assembly that stops the inside with the rolling plate, the floating ball assembly that stops the rolling plate that is set up, the rolling plate has and stops the rolling plate that stops the rolling plate, the rolling plate is set up and stops rolling plate, the rolling plate is set up and has rolling plate, and has rolling friction.

Preferably, the first fixing frame is connected with symmetrically distributed lugs in a sliding manner, a spring is arranged between the lugs and the first fixing frame, and grooves matched with the lugs of the first fixing frame are formed in the L-shaped frame.

Preferably, the inside of the oil storage barrel is fixedly connected with a distribution barrel communicated with the oil delivery pipe, the distribution barrel is provided with a through hole, and the through hole of the distribution barrel inclines towards the direction opposite to the rotation direction of the oil baffle plate.

Preferably, the oil baffle plates are provided with through holes, adjacent oil baffle plates are connected through spring plates, the first rotating disc is hinged with the adjacent oil baffle plates, and the spring plates are in a bending state initially.

Preferably, the oil storage barrel is provided with the extrusion subassembly that promotes the chaotic degree of fluid, extrusion subassembly is including first dead lever, first dead lever fixed connection is in the tip of the second level pole of multistage pneumatic cylinder, first dead lever sliding connection has the first slide bar of equidistance distribution, first slide bar and oil storage barrel sliding connection, first slide bar and distribution section of thick bamboo sliding connection, first slide bar is provided with arc spacing groove and vertical spacing groove, the rigid coupling of first dead lever has the second mount of equidistance distribution, the second mount rotates and is connected with the turning block of symmetric distribution, first dead lever rigid coupling has the fixed block of equidistance distribution, the fixed block is provided with first spring piece, the spacing cooperation of arc spacing groove of first slide bar department, the one end sliding connection of first slide bar has annular mount, annular mount is articulated with adjacent baffle, the second dead lever of equidistance distribution is provided with the second spring piece to the rigid coupling of oil storage barrel, the second spring piece is with the vertical spacing groove spacing cooperation of first slide bar department.

Preferably, the braking assembly comprises a first brake disc fixedly connected with the rotating shaft, a third fixing frame is fixedly connected to the end part of a first stage rod of the multi-stage hydraulic cylinder, and a second brake disc is fixedly connected to the third fixing frame.

Preferably, the compacting component comprises a rotating roller, two ends of the rotating roller are rotationally connected with sliding blocks, the sliding blocks are slidably connected with a first rotating frame, springs are arranged between the sliding blocks and the first rotating frame, the rotating roller is attached to a belt, the first rotating frame is slidably connected with a sliding frame, springs are arranged between the sliding frame and the first rotating frame, arc friction blocks are fixedly connected with the sliding frame, limit rods which are symmetrically distributed are fixedly connected with the sliding frame, a fourth fixing frame is fixedly connected with the third fixing frame, the fourth fixing frame is slidably connected with the first rotating frame, and a chute which is in limiting fit with the limit rods is arranged on one side, away from the third fixing frame, of the fourth fixing frame.

Preferably, the anti-falling device further comprises an anti-falling assembly, the anti-falling assembly comprises a symmetrically distributed fixing plate, the fixing plate is fixedly connected to the balancing weight, a symmetrically distributed guide rod is fixedly connected between the base and the fixing platform, the guide rod is thickened gradually from top to bottom, the fixing plate is fixedly connected with a symmetrically distributed second rotating frame, the second rotating frame is rotationally connected with a roller, the roller is attached to the guide rod, the roller is provided with an elastic pressing block, the elastic pressing block at the roller is attached to the guide rod, the fixing plate is fixedly connected with a symmetrically distributed third rotating frame, the third rotating frame is rotationally connected with a transmission toothed ring meshed with the transmission toothed ring, the transmission toothed ring is fixedly connected with a circumferentially distributed limit frame, the second rotating plate is fixedly connected with a third fixing rod, the third fixing rod is fixedly connected with a circumferentially distributed fixing sleeve, the third spring block is in contact fit with the limit frame, the fixing plate is slidingly connected with a symmetrically distributed second sliding rod, the second sliding rod is fixedly connected with a fifth fixing frame, two sides of the fifth fixing frame are fixedly connected with a friction plate, the second sliding rod is meshed with the friction plate, and the friction plate is fixedly connected with the friction plate.

Preferably, the fifth fixing frame is provided with arc-shaped spring plates which are symmetrically distributed, and the arc-shaped spring plates are in limit fit with the conical friction blocks.

Preferably, the device further comprises a buffer assembly for buffering the balancing weight, the buffer assembly comprises a separation column fixedly connected with the base, fourth spring blocks distributed at equal intervals are fixedly connected with the base, and the fourth spring blocks are located on the inner side of the separation column.

According to the invention, the multistage hydraulic cylinder is used for contracting inwards, hydraulic transmission oil is injected into the distribution cylinder, the distribution cylinder is used for injecting the hydraulic transmission oil into the oil storage barrel through the clockwise inclined through hole, so that the rotation speed of the oil baffle plate is reduced, the hydraulic transmission oil is sprayed to the oil baffle plate through the through hole at the distribution cylinder, the oil baffle plate is decelerated, and the effect of reducing the speed of the hydraulic transmission oil is improved; the extrusion through annular mount to the oil baffle makes the spring board take place deformation, promote hydraulic transmission oil flow state's chaotic degree, promote the effect of reducing speed, when making first brake disc and second brake disc contact, first brake disc rotational speed is slower, reduce the friction degree to first brake disc and second brake disc, friction through arc friction disc and live-rollers's friction is stopped the speed reduction to the belt, prevent that the speed is too fast and make the oil pumping process unusual, take place the accident, centrifugal throwing out through the third spring piece is spacing with the spacing cooperation back, make the fifth mount spacing to the toper friction disc, toper friction disc produces the friction with the guide bar, stop the balancing weight, prevent to make the balancing weight fall because of belt fracture or belt speed abnormality.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic diagram of the positional relationship of the deceleration assembly, the pressing assembly, the brake assembly and the hold-down assembly of the present invention.

Fig. 3 is a schematic perspective view of a compressing assembly according to the present invention.

FIG. 4 is a schematic diagram of the connection of the deceleration assembly, the pressing assembly and the brake assembly of the present invention.

Fig. 5 is a schematic perspective view of a deceleration assembly and an extrusion assembly according to the present invention.

Fig. 6 is an enlarged perspective view of the present invention at a.

FIG. 7 is a schematic view of the positional relationship between the fall arrest assembly and the buffer assembly of the present invention.

Fig. 8 is a schematic perspective view of the fall arrest assembly of the present invention.

Fig. 9 is an enlarged perspective view of the present invention at B.

In the figure: 1-base, 2-support frame, 3-fixed platform, 4-control panel, 5-first rotating frame, 6-transmission shaft, 7-motor group, 8-bogie, 9-multi-stage hydraulic cylinder, 1001-first fixed frame, 1002-L-shaped frame, 1003-piston, 1004-cylinder, 1005-oil delivery pipe, 1006-oil storage barrel, 1007-dispensing barrel, 1008-rotation shaft, 1009-first rotating disk, 1010-oil baffle, 1011-ventilation pipe, 1012-floating ball, 1101-first fixed rod, 1102-first sliding rod, 1103-second fixed frame, 1104-rotating block, 1105-fixed block, 1106-first spring block, 1107-annular fixed frame, 1108-second fixed rod, 1109-second spring block, 1201-first brake disk, 1202-third fixed frame, 1203-second disk, 1301-rotating roller, 1302-sliding frame, 1303-arc friction block, 1304-limit lever, 1304-fourth fixed frame, 1401-fixed plate, 1402-guide rod, 1403-second rotating frame, 1405-third gear 1417-third rotating frame, 1415-third gear 1416-rotating frame, 1415-third gear 1415-conical spring block, 1413-conical spring block, 1415-conical spring block, driving frame, and driving frame.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

An intelligent friction reversing tower type pumping unit is shown in figures 1, 2, 4 and 5, and comprises a base 1, wherein the base 1 is fixedly connected with a supporting frame 2, the upper side of the supporting frame 2 is fixedly connected with a fixed platform 3, the fixed platform 3 is fixedly connected with a control panel 4, the fixed platform 3 is fixedly connected with a first rotating frame 5 which is distributed in bilateral symmetry, a transmission shaft 6 is rotationally connected between opposite sides of the first rotating frame 5, the fixed platform 3 is fixedly connected with a motor group 7, the motor group 7 is electrically connected with the control panel 4, the output end of the motor group 7 is fixedly connected with the transmission shaft 6, the fixed platform 3 is fixedly connected with a bogie 8 which is distributed in front-back symmetry, a belt is arranged at the positions of the transmission shaft 6 and the bogie 8, the bogie 8 is used for reducing friction in the movement process of the belt, the rear end of the belt is fixedly connected with a balancing weight 16, the first rotating frame 5 on the right side is fixedly connected with a multi-stage hydraulic cylinder 9, a movable part with larger diameter in the multi-stage hydraulic cylinder 9 is a first stage rod, the movable part with smaller diameter in the multistage hydraulic cylinder 9 is a second-stage rod, the fixed platform 3 is provided with a speed reducing component, the speed reducing component is used for reducing and buffering the transmission shaft 6 to prevent the transmission shaft 6 from being excessively fast, the transmission shaft 6 is directly braked and stopped, the transmission shaft 6 is damaged, the speed reducing component comprises a first fixing frame 1001, the first fixing frame 1001 is fixedly connected with the right end of the second-stage rod of the multistage hydraulic cylinder 9, two ends of the first fixing frame 1001 are both connected with lugs in a sliding manner, a spring is arranged between the lugs and the first fixing frame 1001, the fixed platform 3 is fixedly connected with oiling cylinders 1004 which are symmetrically distributed in front and back, the inside of the oiling cylinders 1004 is filled with hydraulic transmission oil, the inside of the oiling cylinders 1004 is connected with pistons 1003 in a sliding manner, the right end of the pistons 1003 is fixedly connected with L-shaped frames 1002, the L-shaped frames 1002 are provided with two grooves which are symmetrically distributed in left and right directions, the L-shaped frame 1002 is in sliding fit with the first fixing frame 1001, a groove at the L-shaped frame 1002 is in limit fit with a lug at the first fixing frame 1001, an oil delivery pipe 1005 is fixedly connected to the left side of the oil injection barrel 1004, the oil delivery pipe 1005 is made of soft materials, an oil storage barrel 1006 is fixedly connected to the fixed platform 3, a distribution barrel 1007 is fixedly connected to the inside of the oil storage barrel 1006, the oil delivery pipe 1005 is communicated with the distribution barrel 1007, one end of the oil delivery pipe 1005 positioned inside the distribution barrel 1007 is positioned at the bottom of the distribution barrel 1007, through holes distributed at equal intervals in the circumferential direction are arranged at the left side of the distribution barrel 1007, the through holes of the distribution barrel 1007 incline clockwise, the oil storage barrel 1006 is rotationally connected with a rotating shaft 1008, the rotating shaft 1008 is fixedly connected with a transmission shaft 6, a first rotating disc 1009 is fixedly connected to the right end of the rotating shaft 1008, the first rotating disc 1009 is positioned inside the oil storage barrel 1006, oil baffle plates 1010 distributed at equal intervals in the circumferential direction and symmetrically are arranged on the right side of the first rotating disc 1009, the oil baffle 1010 is provided with through holes, a spring plate is arranged between the adjacent oil baffles 1010, the first rotating disc 1009 is hinged with the adjacent oil baffles 1010, the spring plate between the adjacent oil baffles 1010 is in a bending state initially, hydraulic transmission oil is disordered while the oil baffles 1010 are bent, the opening direction of the through holes of the distribution cylinder 1007 is opposite to the rotating direction of the oil baffles 1010, the oil storage barrel 1006 is fixedly connected with a vent pipe 1011, the vent pipe 1011 communicates the inside of the oil storage barrel 1006 with the outside, when oiling is carried out to the inside of the oil storage barrel 1006, a floating ball 1012 is arranged at the joint of the oil storage barrel 1006 and the vent pipe 1011, a spring is arranged between the floating ball 1012 and the oil storage barrel 1006, hydraulic transmission oil leakage is prevented while ventilation is facilitated, the oil storage barrel 1006 is provided with an extrusion assembly, the extrusion assembly is used for changing the shape of the oil baffles 1010, the degree of confusion of the oil in the oil storage barrel 1006 is improved, the rotating shaft 1008 is provided with a stop assembly, the brake assembly brakes the transmission shaft 6 through friction, the first rotating frame 5 is provided with a compression assembly, and the compression assembly brakes the belt through friction.

As shown in fig. 2 and fig. 4-6, the extrusion assembly includes a first fixing rod 1101 fixedly connected with an end portion of a second-stage rod of the multi-stage hydraulic cylinder 9, a first sliding rod 1102 is slidably connected to a middle portion and a lower portion of the first fixing rod 1101, the first sliding rod 1102 is slidably connected to an oil storage barrel 1006 and a distribution barrel 1007, an arc-shaped limit groove is formed in a left end of the first sliding rod 1102, a vertical limit groove is formed in a middle portion of the first sliding rod 1102, a second fixing frame 1103 is fixedly connected to the middle portion and the lower portion of the first fixing rod 1101 respectively, two rotating blocks 1104 which are symmetrically distributed in front and rear are rotatably connected to the second fixing frame 1103, fixing blocks 1105 are fixedly connected to the middle portion and the lower portion of the right side of the first fixing rod 1101 respectively, a first spring block 1106 is slidably connected to the first spring block 1106 which is in limit fit with the arc-shaped limit groove at the first sliding rod 1102, an annular fixing frame 1107 is slidably connected to a left end of the first sliding rod 1107, the annular fixing frame 1107 is located inside the oil storage barrel 1006, the annular fixing frame 1107 is hinged to an adjacent oil baffle 1010, two second fixing frames 1108 are fixedly connected to the right side of the oil storage barrel respectively, and two second fixing rods 1109 are fixedly connected to the second fixing blocks which are fixedly connected to the second fixing blocks.

As shown in fig. 4, the brake assembly includes a first brake disc 1201, the first brake disc 1201 is fixedly connected to the middle of the rotating shaft 1008, a third fixing frame 1202 is fixedly connected to an end portion of a first stage rod of the multi-stage hydraulic cylinder 9, and a second brake disc 1203 is fixedly connected to the left side of the third fixing frame 1202.

As shown in fig. 2 and 3, the pressing assembly includes a rotating roller 1301, two ends of the rotating roller 1301 are rotatably connected with a sliding block, the sliding block is slidably connected with a first rotating frame 5, a spring is arranged between the sliding block and the first rotating frame 5, the rotating roller 1301 is always kept in a fitting state with a belt through the spring between the sliding block and the first rotating frame 5, a sliding frame 1302 is slidably connected with the first rotating frame 5, a spring is arranged between the sliding frame 1302 and the first rotating frame 5, an arc friction block 1303 is fixedly connected with the lower side of the sliding frame 1302, the arc friction block 1303 is used for friction deceleration of the rotating roller 1301, the sliding frame 1302 is fixedly connected with a limiting rod 1304 which is symmetrically distributed in front-back, a fourth fixing frame 1305 is fixedly connected with the upper side of the third fixing frame 1202, a sliding groove is arranged on the left side of the fourth fixing frame 1305, the sliding groove at the fourth fixing frame is in limiting fit with the limiting rod 1304, and the distance between the arc friction block 1303 and the rotating roller 1301 is controlled through the limiting fit of the sliding groove and the limiting rod 1305.

When the rotation speed of the transmission shaft 6 is abnormal, the control panel 4 controls the motor group 7 to be closed, the control panel 4 controls the second-stage rod of the multi-stage hydraulic cylinder 9 to be contracted inwards, the second-stage rod of the multi-stage hydraulic cylinder 9 drives the first fixing frame 1001 to move leftwards, at the moment, the convex block at the first fixing frame 1001 is matched with the groove at the right side of the L-shaped frame 1002, the first fixing frame 1001 drives the L-shaped frame 1002 to synchronously move leftwards, the L-shaped frame 1002 drives the piston 1003 to slide leftwards along the oiling cylinder 1004, the piston 1003 injects hydraulic transmission oil in the oiling cylinder 1004 into the inside of the distribution cylinder 1007 through the oil conveying pipe 1005, the hydraulic transmission oil flows into the inside of the oil storage cylinder 1006 through the through hole arranged at the left side of the distribution cylinder 1007, at the moment, the rotation of the transmission shaft 6 drives the rotation shaft 1008 to synchronously rotate, the rotation shaft 1008 drives the first rotation disc 1009 to rotate, and the oil baffle 1010 rotates anticlockwise, by setting the direction of the through hole of the distribution cylinder 1007 to be inclined clockwise, the outflow direction of the hydraulic transmission oil is opposite to the rotation direction of the oil baffle 1010, the rotation speed of the transmission shaft 6 is reduced by the impact of the hydraulic transmission oil on the oil baffle 1010, when the distribution cylinder 1007 is filled with oil into the oil storage cylinder 1006, the air in the oil storage cylinder 1006 flows out to the outside through the air pipe 1011, after the oil storage cylinder 1006 is filled with the hydraulic transmission oil, the floating ball 1012 floats upwards against the spring force due to the buoyancy of the liquid surface, the lower port of the air pipe 1011 is blocked, the leakage of the hydraulic transmission oil is prevented, the hydraulic transmission oil is higher, when the oil storage cylinder 1006 is filled with the hydraulic transmission oil, the hydraulic transmission oil is decelerated by the oil baffle 1010 to the transmission shaft 6, the chaotic state of the hydraulic transmission oil in the oil storage cylinder 1006 is lifted through the opening on the oil baffle 1010, the decelerating effect of the hydraulic transmission oil on the transmission shaft 6 is improved.

When the second-stage rod of the multi-stage hydraulic cylinder 9 contracts inwards, the second-stage rod of the multi-stage hydraulic cylinder 9 drives the first fixed rod 1101 to move leftwards, the first fixed rod 1101 drives the second fixed frame 1103 and the fixed block 1105 to synchronously move leftwards, the second fixed frame 1103 drives the rotating block 1104 to synchronously move leftwards, the fixed block 1105 drives the first spring block 1106 to move leftwards, at the moment, the arc-shaped limit groove of the first spring block 1106 and the first sliding rod 1102 is in a limit fit state, the first spring block 1106 drives the first sliding rod 1102 to move leftwards, in the process of moving the first sliding rod 1102 leftwards, the first sliding rod 1102 pushes the annular fixed frame 1107 to move leftwards, the annular fixed frame 1107 extrudes the oil baffle 1010 when moving leftwards, so that the first rotating disc 1009 and the adjacent oil baffle 1010 relatively rotate, and simultaneously, the annular fixed frame and the adjacent oil baffle 1010 relatively rotate, the shape of the oil baffle 1010 is changed to the direction of being convenient for hydraulic transmission oil, so that the first spring block 1106 is convenient to extrude the annular fixed frame 1010, the shape of the oil baffle 1010 is changed to the direction of the first transmission oil, the first spring block 1102 is convenient to stop the direction of the hydraulic transmission oil, the first spring block 1107 is bent, the first sliding rod 1109 is better, the limit effect of the first sliding rod 1109 is lost, and the first sliding rod 1109 is better is lost, and the limit effect of the first sliding rod 1109 is lost, and the first sliding rod 1109 is better, and the first sliding rod 1109 is in the limit spring 1102 is in the limit spring and is in the state.

When the first sliding rod 1102 is stationary, the second stage rod of the multi-stage hydraulic cylinder 9 continues to retract inwardly, the first fixed rod 1101 slides along the first sliding rod 1102, the second stage rod of the multi-stage hydraulic cylinder 9 continues to push the piston 1003 through the L-shaped frame 1002, hydraulic transmission oil inside the oil cylinder 1004 is guided into the distribution cylinder 1007 along the oil pipe 1005 and then into the oil storage cylinder 1006, and when the second stage rod of the multi-stage hydraulic cylinder 9 is retracted, the piston 1003 completely extrudes the hydraulic transmission oil inside the oil cylinder 1004, and the piston 1003 cannot move to the left any more.

When the second-stage rod of the multi-stage hydraulic cylinder 9 is contracted, the first-stage rod of the multi-stage hydraulic cylinder 9 starts to contract inwards, at the moment, the protruding block of the first fixing frame 1001 continues to move leftwards, the protruding block of the first fixing frame 1001 loses the fit with the right groove of the L-shaped frame 1002, the second-stage rod of the multi-stage hydraulic cylinder 9 drives the third fixing frame 1202 to move leftwards, the third fixing frame 1202 drives the second brake disc 1203 to move leftwards, the second brake disc 1203 is enabled to contact the first brake disc 1201, the first brake disc 1201 is braked in a friction mode, the transmission shaft 6 stops rotating, in the process that the second brake disc 1203 moves leftwards, the rotating block 1104 contacts with the second spring block 1109, the rotating block 1104 rotates anticlockwise, and after the rotating block 1104 is far away from the second spring block 1109, the rotating block 1104 resets.

When the third fixing frame 1202 moves leftwards, the third fixing frame 1202 drives the fourth fixing frame 1305 to slide leftwards along the first rotating frame 5, the sliding groove of the fourth fixing frame 1305 is matched with the limiting rod 1304, the limiting rod 1304 slides along the sliding groove of the fourth fixing frame 1305, the limiting rod 1304 drives the sliding frame 1302 to slide downwards along the first rotating frame 5, the sliding frame 1302 drives the arc friction block 1303 to slide downwards, the arc friction block 1303 contacts with the rotating roller 1301, the rotating roller 1301 is decelerated and braked in a friction mode between the arc friction block 1303 and the rotating roller 1301, friction is generated between the rotating roller 1301 and a belt, the belt is decelerated, the sliding blocks at two ends of the rotating roller 1301 are extruded through the springs, the rotating roller 1301 is continuously in a state of contacting with the belt, the problem that the belt becomes thinner gradually along with the increase of the service time is solved, and when the transmission shaft 6 is completely braked, the control panel 4 closes the multistage hydraulic cylinder 9.

When the maintenance of the pumping unit is finished by workers, the multistage hydraulic cylinder 9 is started through the control panel 4, the first stage rod of the multistage hydraulic cylinder 9 outwards protrudes, the first stage rod of the multistage hydraulic cylinder 9 drives the third fixing frame 1202 to move rightwards, the third fixing frame 1202 drives the second brake disc 1203 to be far away from the first brake disc 1201, the third fixing frame 1202 drives the fourth fixing frame 1305 to move rightwards, the chute at the fourth fixing frame 1305 moves rightwards, the limiting rod 1304 gradually moves upwards to reset, the limiting rod 1304 drives the arc-shaped friction block 1303 to move upwards, the arc-shaped friction block 1303 loses friction with the rotating roller 1301, when the first stage rod of the multistage hydraulic cylinder 9 outwards protrudes, the rotating block 1104 moves rightwards, the rotating block 1104 contacts with the second spring block 1109 and extrudes the second spring block 1109, the second spring block 1109 loses the limit of the first sliding rod 1102, the spring plate at the oil baffle 1010 is reset due to self elasticity, the left oil baffle 1010 and the first rotating disc 1009 rotate relatively, meanwhile, the right oil baffle 1010 and the annular fixing frame 1107 rotate relatively, the right oil baffle 1010 drives the annular fixing frame 1107 to move rightwards, the annular fixing frame 1107 drives the first sliding rod 1102 to move rightwards for resetting, after the first-stage rod of the multi-stage hydraulic cylinder 9 is out, the second-stage rod of the multi-stage hydraulic cylinder 9 begins to outwards extend, the second-stage rod of the multi-stage hydraulic cylinder 9 drives the first fixing frame 1001 to move rightwards, the L-shaped frame 1002 drives the piston 1003 to move rightwards through the convex block at the first fixing frame 1001 matched with the groove at the left side of the L-shaped frame 1002, hydraulic transmission oil is pumped back into the oil injection cylinder 1004 along the oil delivery pipe 1005 from the inside of the oil storage barrel 1006 and the distribution barrel 1007, after the piston 1003 moves to the right side of the oil injection cylinder 1004, the lug of first mount 1001 loses the cooperation with the recess on the left side of L shape frame 1002 department, and when the second grade pole of multistage pneumatic cylinder 9 stretches out and accomplishes, the lug of first mount 1001 cooperates with the recess spacing on the right side of L shape frame 1002 department, and first spring piece 1106 cooperates with the arc spacing groove spacing of first slide bar 1102 department, accomplishes the reset.

Example 2

On the basis of the embodiment 1, as shown in fig. 7-9, the anti-falling device further comprises an anti-falling component, the anti-falling component comprises a fixed plate 1401 which is symmetrically distributed left and right, the fixed plate 1401 is fixedly connected with a balancing weight 16, a base 1 is fixedly connected with a guide rod 1402 which is symmetrically distributed, the guide rod 1402 is fixedly connected with a fixed platform 3, the guide rod 1402 is gradually thickened from top to bottom, the fixed plate 1401 is fixedly connected with a second rotating frame 1403 which is symmetrically distributed front and back, the second rotating frame 1403 is rotationally connected with a roller 1404, the roller 1404 is provided with elastic pressing blocks which are circumferentially and equidistantly distributed, the elastic pressing blocks at the roller 1404 are always attached to the guide rod 1402, the fixed plate 1401 is fixedly connected with a third rotating frame 1405 which is symmetrically distributed front and back, the third rotating frame 1405 is rotationally connected with a transmission gear 1406, the roller 1404 is fixedly connected with a second rotating disk 1407, the second rotating disk 1407 is rotationally connected with a transmission toothed ring 1408, the transmission toothed ring 1408 is meshed with the transmission gear 1406, the inner side of the transmission toothed ring 1408 is fixedly connected with a limit frame 1409 which is circumferentially distributed, the second rotary disk 1407 is fixedly connected with a third fixed rod 1410, the third fixed rod 1410 is fixedly connected with a fixed sleeve 1411 which is circumferentially distributed, the fixed sleeve 1411 is provided with a third spring block 1412 which is in contact fit with the limit frame 1409, the limit frame 1409 is in contact fit with the third spring block 1412 in a centrifugal way, the roller 1404 drives the transmission toothed ring 1408 to rotate, the fixed plate 1401 is in sliding connection with a second sliding rod 1413 which is symmetrically distributed front and back, the lower end of the second sliding rod 1413 is fixedly connected with a fifth fixed frame 1414, the two sides of the fifth fixed frame 1414 are fixedly connected with racks which are meshed with the transmission gear 1406, the racks at the fifth fixed frame 1414 are in sliding fit with the fixed plate 1401, a spring is arranged between the fifth fixed frame 1414 and the fixed plate 1401, the spring is sleeved at the second sliding rod 1413, the fixed plate 1401 is in sliding connection with a conical friction block 1415 which is symmetrically distributed front and back, a spring is arranged between the conical friction blocks 1415, the fifth fixing frame 1414 is in limit fit with the conical friction blocks 1415 to clamp the guide rod 1402, the fifth fixing frame 1414 is provided with symmetrically distributed arc-shaped spring plates 1416, and the arc-shaped spring plates 1416 are in limit fit with the conical friction blocks 1415 to buffer the guide rod 1402 in the clamping process.

As shown in fig. 7, the pumping unit further includes a buffer assembly, where the buffer assembly is used to buffer the balancing weight 16 when the balancing weight 16 falls, to prevent damage to the pumping unit, the buffer assembly includes a partition 1501, where the partition 1501 is fixedly connected to the base 1, to limit the falling position of the balancing weight 16, the base 1 is fixedly connected with fourth spring blocks 1502 distributed at equal intervals, and the fourth spring blocks 1502 are located inside the partition 1501.

When the belt moving speed is abnormal or the belt is broken due to the abnormal rotating speed of the transmission shaft 6, the downward moving speed of the balancing weight 16 is increased, the rotating speed of the roller 1404 rotating by contacting the elastic pressing block with the guide rod 1402 is increased, when the rotating speed of the roller 1404 is enough high, the third spring block 1412 is thrown outwards along the fixed sleeve 1411 due to the centrifugal principle, the limiting frame 1409 is in limiting fit with the fixed sleeve 1411, the limiting frame 1409 drives the transmission toothed ring 1408 to rotate, the transmission toothed ring 1408 moves upwards through the transmission gear 1406 to enable the rack at the fifth fixing frame 1414 to move upwards, the spring at the second sliding rod 1413 is extruded by the fifth fixing frame 1414, the conical friction block 1415 is contacted with the guide rod 1402 to generate friction, the balancing weight 16 is stopped by contacting the arc-shaped spring plate 1416 arranged by the fifth fixing frame 1414 with the conical friction block 1415, the conical friction block 1415 is contacted with the guide rod 1402 to generate friction, and the movement speed of the balancing weight 16 is prevented from being excessively fast when the conical friction block 1415 rubs with the guide rod 1402, and the guide rod 1402 is broken.

After maintenance is completed, the motor unit 7 drives the transmission shaft 6 to rotate, the balancing weight 16 is driven to move upwards through the belt, the roller 1404 rotates reversely, the roller 1404 drives the third fixing rod 1410 to rotate, the third fixing rod 1410 drives the fixing sleeve 1411 to rotate, the fixing sleeve 1411 drives the third spring block 1412 to be far away from the limiting frame 1409 in limiting fit with the third spring block 1412, the third spring block 1412 contracts towards the inside of the fixing sleeve 1411 due to self elasticity, the fifth fixing frame 1414 resets due to downward movement of the spring at the second sliding rod 1413, the rack at the fifth fixing frame 1414 drives the transmission gear 1406 and the transmission gear 1406 to drive the transmission toothed ring 1408 to reset, the fifth fixing frame 1414 moves downwards, the limit on the conical friction block 1415 is relieved by the arc-shaped spring plate 1416, the conical friction block 1415 resets due to the spring between the fixing frame and the guide rod 1402 is gradually thickened from top to bottom, and when the balancing weight 16 moves upwards after repair, the conical friction block 1415 directly releases friction with the guide rod 1402, and the whole reset is facilitated.

When the sliding distance allowance of the balancing weight 16 is too short, and the throwing distance of the third spring block 1412 is insufficient, and the third spring block 1412 is in limit fit with the limit frame 1409, the balancing weight 16 is buffered through the fourth spring block 1502 arranged at the base 1, the balancing weight 16 is prevented from falling to other positions through the isolation fence 1501, and the pumping unit and workers are protected.

While the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the following claims. Accordingly, the detailed description of the disclosed embodiments is to be taken only by way of illustration and not by way of limitation, and the scope of protection is defined by the content of the claims.

Claims

1. The utility model provides an intelligent friction switching-over tower beam-pumping unit, including base (1), base (1) rigid coupling has support frame (2), support frame (2) rigid coupling has fixed platform (3), fixed platform (3) rigid coupling has control panel (4), fixed platform (3) rigid coupling has symmetrical distribution's first revolving stage (5), rotate between first revolving stage (5) and be connected with transmission shaft (6), fixed platform (3) rigid coupling has motor group (7) of being connected with control panel (4) electricity, the output and transmission shaft (6) fixed connection of motor group (7), fixed platform (3) rigid coupling has symmetrical distribution's bogie (8), transmission shaft (6) and bogie (8) department are provided with the belt, the one end rigid coupling of belt has balancing weight (16), the first revolving stage (5) rigid coupling of motor group (7) one side has multistage pneumatic cylinder (9), characterized by: comprises a speed reducing component for reducing and buffering a transmission shaft (6), the speed reducing component is arranged on a fixed platform (3), the speed reducing component comprises a first fixed frame (1001) fixedly connected with the end part of a second-stage rod of a multi-stage hydraulic cylinder (9), the fixed platform (3) is fixedly connected with symmetrically distributed oil injection cylinders (1004), the oil injection cylinders (1004) are slidably connected with pistons (1003), one ends of the pistons (1003) are fixedly connected with L-shaped frames (1002) which are slidably matched with the first fixed frame (1001), the oil injection cylinders (1004) are fixedly connected with oil conveying pipes (1005), the fixed platform (3) is fixedly connected with oil storage barrels (1006) which are communicated with the oil conveying pipes (1005), the oil storage barrel (1006) is rotationally connected with a rotating shaft (1008) fixedly connected with a transmission shaft (6), one end of the rotating shaft (1008) is fixedly connected with a first rotating disc (1009), the first rotating disc (1009) is provided with oil baffle plates (1010) which are circumferentially equidistant and symmetrically distributed, the oil storage barrel (1006) is fixedly connected with a vent pipe (1011) which communicates the inside of the oil storage barrel (1006) with the outside, a floating ball (1012) is arranged at the joint of the oil storage barrel (1006) and the vent pipe (1011), a spring is arranged between the floating ball (1012) and the oil storage barrel (1006), and the rotating shaft (1008) is provided with a brake assembly which is used for friction brake of the transmission shaft (6).

2. The intelligent friction reversing tower type pumping unit according to claim 1, wherein the first fixing frame (1001) is connected with symmetrically distributed protruding blocks in a sliding mode, a spring is arranged between the protruding blocks and the first fixing frame (1001), and the L-shaped frame (1002) is provided with grooves matched with the protruding blocks of the first fixing frame (1001).

3. The intelligent friction reversing tower type pumping unit as claimed in claim 1, wherein a distribution cylinder (1007) communicated with the oil delivery pipe (1005) is fixedly connected inside the oil storage barrel (1006), the distribution cylinder (1007) is provided with a through hole, and the through hole of the distribution cylinder (1007) is inclined in a direction opposite to the rotation direction of the oil baffle (1010).

4. An intelligent friction reversing tower type pumping unit as claimed in claim 1, wherein the oil baffle plates (1010) are provided with through holes, adjacent oil baffle plates (1010) are connected through spring plates, and the first rotating disc (1009) is hinged with the adjacent oil baffle plates (1010), and the spring plates are in a bending state initially.

5. The intelligent friction reversing tower type pumping unit as claimed in claim 1, wherein the oil storage barrel (1006) is provided with an extrusion component for improving the chaotic degree of oil, the extrusion component comprises a first fixed rod (1101), the first fixed rod (1101) is fixedly connected to the end part of a second-stage rod of the multistage hydraulic cylinder (9), the first fixed rod (1101) is slidably connected with a first sliding rod (1102) which is equidistantly distributed, the first sliding rod (1102) is slidably connected with the oil storage barrel (1006), the first sliding rod (1102) is slidably connected with a distribution barrel (1007), the first sliding rod (1102) is provided with an arc-shaped limit groove and a vertical limit groove, the fixedly connected second fixed frame (1103) which is equidistantly distributed is fixedly connected with a symmetrically distributed rotating block (1104), the first fixed rod (1101) is fixedly connected with a fixed block (1106) which is equidistantly distributed, the fixed block (1108) which is arranged at the position of the first sliding rod (1102), the first sliding rod (1102) is matched with the limit groove, the first annular limit groove is arranged at the first sliding rod (1102) and the first sliding rod (1107) is fixedly connected with an annular limit groove, the second fixed frame (1107) which is fixedly connected with a symmetrically distributed rotating block (1108) which is symmetrically distributed, the first fixed block (1107) which is fixedly connected with an annular baffle plate (1107), the second spring block (1109) is in limit fit with a vertical limit groove at the first sliding rod (1102).

6. The intelligent friction reversing tower type pumping unit according to claim 1, wherein the braking assembly comprises a first brake disc (1201) fixedly connected with a rotating shaft (1008), a third fixing frame (1202) is fixedly connected to the end portion of a first stage rod of the multi-stage hydraulic cylinder (9), and a second brake disc (1203) is fixedly connected to the third fixing frame (1202).

7. The intelligent friction reversing tower type pumping unit as claimed in claim 1, wherein the first rotating frame (5) is provided with a pressing component for friction braking of the belt, the pressing component comprises a rotating roller (1301), two ends of the rotating roller (1301) are rotatably connected with sliding blocks, the sliding blocks are slidably connected with the first rotating frame (5), springs are arranged between the sliding blocks and the first rotating frame (5), the rotating roller (1301) is attached to the belt, the first rotating frame (5) is slidably connected with a sliding frame (1302), springs are arranged between the sliding frame (1302) and the first rotating frame (5), arc-shaped friction blocks (1303) are fixedly connected with the sliding frame (1302), limit rods (1304) which are symmetrically distributed are fixedly connected with the sliding frame (1302), a fourth fixing frame (1305) is fixedly connected with the third fixing frame (1305), and one side, far away from the third fixing frame (1202), of the fourth fixing frame (1305) is provided with a sliding groove which is in limit fit with the limit rod (1304).

8. The intelligent friction reversing tower type pumping unit as claimed in claim 1, further comprising an anti-falling assembly, wherein the anti-falling assembly comprises a symmetrically distributed fixed plate (1401), the fixed plate (1401) is fixedly connected with a balancing weight (16), a symmetrically distributed guide rod (1402) is fixedly connected between the base (1) and the fixed platform (3), the guide rod (1402) is gradually thickened from top to bottom, a symmetrically distributed second rotating frame (1403) is fixedly connected with the fixed plate (1401), the second rotating frame (1403) is rotationally connected with a roller (1404), the roller (1404) is attached to the guide rod (1402), the roller (1404) is provided with an elastic pressing block, the elastic pressing block at the roller (1404) is attached to the guide rod (1402), the fixed plate (1401) is fixedly connected with a symmetrically distributed third rotating frame (1405), the third rotating frame (1405) is rotationally connected with a transmission gear (1406), the roller (1404) is fixedly connected with a second rotating plate (1407), the second rotating plate (1407) is rotationally connected with a transmission toothed ring (meshed with the transmission gear (1403), the transmission toothed ring (1403) is circumferentially fixedly connected with a third fixed plate (1411), the third rotating plate (1411) is fixedly connected with a limit plate (1412) and fixedly connected with a third fixed plate (1412), the third spring block (1412) is in contact fit with the limit frame (1409), the fixed plate (1401) is connected with second sliding rods (1413) which are symmetrically distributed in a sliding mode, the second sliding rods (1413) are fixedly connected with fifth fixing frames (1414), racks meshed with the transmission gears (1406) are fixedly connected to two sides of the fifth fixing frames (1414), springs are sleeved on the second sliding rods (1413), two ends of each spring at the position of each second sliding rod (1413) are fixedly connected with the fifth fixing frames (1414) and the fixed plate (1401) respectively, the fixed plate (1401) is connected with conical friction blocks (1415) which are symmetrically distributed in a sliding mode, springs are arranged between the conical friction blocks (1415), and the fifth fixing frames (1414) are in limit fit with the conical friction blocks (1415).

9. An intelligent friction reversing tower type pumping unit as claimed in claim 8, wherein the fifth fixing frame (1414) is provided with symmetrically distributed arc-shaped spring plates (1416), and the arc-shaped spring plates (1416) are in limit fit with the conical friction blocks (1415).

10. The intelligent friction reversing tower type pumping unit as claimed in claim 1, further comprising a buffering component for buffering the balancing weight (16), wherein the buffering component comprises a separation column (1501) fixedly connected with the base (1), the base (1) is fixedly connected with fourth spring blocks (1502) distributed at equal intervals, and the fourth spring blocks (1502) are located on the inner side of the separation column (1501).