CN107555323A - A kind of electric power overhaul equipment hoisting device - Google Patents

Abstract

The invention discloses a hoisting device for electric power maintenance equipment, which has a telescopic base, a column, a telescopic cylinder, a connecting plate, a hook, a steel rope, a pulley, a moving rod, a winch, a supporting plate, a hanging plate, and a first reinforcing rod , The second reinforcement rod, the vertical column is welded on the telescopic base, the side of the column is connected with one end of the second reinforcement rod at an angle of 30 degrees, the other end of the second reinforcement rod is connected to the telescopic base, and the top of the column is perpendicular to the support plate Connection, the hoist is installed on the support plate, the suspension plate is welded on both sides of the support plate and set in front of the hoist, the suspension plate is hinged with one end of the moving rod, and the other end of the moving rod is equipped with a pulley, which matches the steel rope , a hoisting device for electric power maintenance equipment in the present invention, by pressing the pressing plate, the moving plate inside the telescopic base is moved outward, the length of the telescopic base is increased, the center of gravity of the entire equipment is lowered, the equipment is kept in balance, and the stability of the equipment is increased .

Description

A hoisting device for electric power maintenance equipment

technical field

The invention relates to a hoisting device for electric power maintenance equipment, which belongs to the field of hoisting devices for power maintenance equipment.

Background technique

Power secondary equipment constitutes a system, not just the device itself, such as AC, DC, control loops, etc. Since some loops have no monitoring means, real-time technical analysis and judgment of equipment status cannot be performed. Therefore, in terms of the application status of electrical secondary equipment, strictly speaking, most protections do not have the conditions for condition-based maintenance.

The planned maintenance system adopted by most power equipment in the power system has serious defects, such as frequent temporary maintenance, insufficient or excessive maintenance, blind maintenance, etc., which makes countries in the world spend a lot of money on equipment maintenance every year. How to reasonably arrange the maintenance of power equipment, save maintenance costs, reduce maintenance costs, and at the same time ensure that the system has high reliability is an important issue for system operators. With the application of comprehensive intelligent systems such as sensor technology, microelectronics, computer software and hardware, and digital signal processing technology, artificial neural network, expert system, and fuzzy set theory in state monitoring and fault diagnosis, equipment-based state monitoring and advanced diagnostic technology The condition-based maintenance research has been developed and has become an important research field in power systems.

The existing hoisting device realizes hoisting by connecting rods and telescopic cylinders in order to achieve small size and easy movement, so that the hoisted equipment is located outside the hoisting device, which easily causes the body to be unbalanced, causing the hoisting device to topple over and damage the equipment.

Contents of the invention

Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a hoisting device for electric power maintenance equipment, so as to solve the problem that the vehicle body is easily unbalanced, causing the hoisting device to tip over and damage the equipment.

In order to achieve the above object, the present invention is achieved through the following technical solutions: a hoisting device for electric power maintenance equipment, the structure of which is a telescopic base, a column, a telescopic cylinder, a connecting plate, a hook, a steel rope, a pulley, a moving rod, a winch device, support plate, hanging plate, first reinforcing rod, second reinforcing rod, the telescopic base is vertically welded with a column, the side of the column is connected to one end of the second reinforcing rod and the two form an angle of 30 degrees, the The other end of the second reinforcement rod is connected to the telescopic base, the top of the column is vertically connected to the support plate, the hoist is installed on the support plate, and the suspension plate is welded on both sides of the support plate and arranged in front of the hoist , the hanging plate is hinged to one end of the moving rod, the other end of the moving rod is equipped with a pulley, the pulley is matched with a steel rope, one end of the steel rope is wound on the hoist, and the other end of the steel rope is connected to There is a hook, the piston rod of the telescopic cylinder is hinged to the connecting plate, the connecting plate is connected in the middle of the moving rod, the bottom of the cylinder body of the telescopic cylinder is hinged on the side of the column, and the telescopic base is composed of wheels, moving plate, Rack, moving cavity, base, transmission belt, guide sleeve, pressing plate, main pressing rod, moving plate, compression spring, auxiliary pressing rod, through hole, connecting rod, single tooth gear, conical spring, moving wheel, connecting shaft , a crankshaft, and a positioning mechanism. The base is a square body with a moving cavity on one side. A moving plate is arranged in the moving cavity. Wheels are arranged at the bottom of the moving plate. The moving plate moves through the wheels and the base The cavity is slidingly connected, and the end of the moving plate located outside the base is connected with the moving wheel through a conical spring. The guide sleeve is provided with a matching moving plate, the top of the moving plate is vertically connected with the main pressing rod, the top of the main pressing rod is provided with a pressing plate, and the middle of the bottom of the moving plate is connected to the side of the auxiliary pressing rod. The top is vertically connected, and a compression spring is provided around the auxiliary compression rod, and the compression spring is connected between the base and the moving plate. The bottom of the auxiliary compression rod is hinged to one end of the connecting rod, and the other end of the connecting rod is connected to the crankshaft. The smaller end is hingedly connected, and the center of the larger end of the crankshaft is connected to the single-toothed gear through the connecting shaft, and the single-toothed gear is connected to the rack in transmission. The crankshaft is driven and connected with the positioning mechanism through the transmission belt;

The positioning mechanism is composed of an auxiliary crankshaft, an auxiliary crankshaft connecting rod, a wedge guide sleeve, and a positioning wedge. The smaller end of the auxiliary crankshaft is hinged to one end of the auxiliary crankshaft connecting rod, and the other end of the auxiliary crankshaft connecting rod is connected to the The top of the positioning wedge is hinged, the positioning wedge is set inside the wedge guide sleeve, the wedge guide sleeve is fixed above the rack, the rack is fitted with the positioning wedge, and the auxiliary crankshaft passes through the transmission belt Connected with the crankshaft drive.

Further, the crankshaft also includes a pulley, the crankshaft is gourd-shaped, the pulley is fixedly connected to the side of the larger end of the crankshaft, and the center of the pulley is consistent with the center of the larger end of the crankshaft.

Further, the auxiliary crankshaft also includes an auxiliary pulley, the auxiliary crankshaft is in the shape of a gourd, the auxiliary pulley is arranged on the side of the larger end of the auxiliary crankshaft and is fixedly connected with the auxiliary crankshaft, the center of the circle of the auxiliary crankshaft and the auxiliary crankshaft The center of circle at the larger end is located on the same horizontal line, and the secondary pulley is connected to the pulley through a transmission belt.

Further, the inside of the base is provided with retaining strips, the retaining strips are provided with two parallel to each other, and the two retaining strips are respectively fixed on both sides of the top of the moving cavity of the base, and the horizontal direction of the retaining strips moves with the moving plate. The same direction.

Further, it also includes traveling wheels, and four traveling wheels are evenly distributed at the bottom of the telescopic base.

Beneficial effect

The invention is a hoisting device for electric power maintenance equipment. When in use, if the weight of the object is heavy, first hang the object with the hook, hold the column with your hand, start the hoist to wind up the object, and make the object higher than the telescopic base. At this time, it will pass Press the pressing plate to move the moving plate inside the telescopic base, increase the length of the telescopic base, lower the center of gravity of the entire equipment, keep the equipment balanced, and increase the stability of the equipment. When the pressing plate is pressed down, the moving plate will move down The connecting rod drives the crankshaft to rotate once, and the single-toothed gear rotates accordingly. The single-toothed gear pushes the moving plate to move outward for a certain distance through the meshing with the rack. When the crankshaft rotates, it drives the auxiliary crankshaft for synchronous transmission, and the rack is stuck. The positioning wedge rises under the action of the connecting rod of the auxiliary crankshaft, and when the auxiliary crankshaft rotates one revolution, it falls again and blocks the rack. It can be separated from the rack when the single-tooth gear is working, and it will be stuck on the rack after the work is over, effectively controlling the moving plate. Fixed to prevent the displacement of the moving plate, the moving plate is rebounded and reset under the action of the compression spring, and the moving plate can be gradually moved outwards by repeated pressing down.

Because the crankshaft also includes a pulley, the pulley can be driven.

Because the secondary crankshaft also includes a secondary pulley, the crankshaft and secondary crankshaft can be synchronously driven through the pulley.

Because the inside of the base is provided with a retaining bar, the vertical position of the moving plate can be limited.

Because it also includes walking wheels, it is convenient for the movement of the equipment.

The invention is a hoisting device for electric power maintenance equipment. By pressing the pressing plate, the moving plate inside the telescopic base is moved outward, the length of the telescopic base is increased, the center of gravity of the entire equipment is lowered, the equipment is kept in balance, and the stability of the equipment is increased. The positioning mechanism can break away from the rack when the single-tooth gear is working, and clamp the rack after the work is over, effectively fixing the moving plate to prevent the moving plate from shifting, and rebound and reset under the action of the compressed spring.

Description of drawings

Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

Fig. 1 is a structural schematic diagram of a hoisting device for electric power maintenance equipment according to the present invention.

Fig. 2 is a structural schematic diagram of the non-working telescopic base of the present invention.

FIG. 3 is an enlarged schematic diagram of a part of the structure in FIG. 2 .

Fig. 4 is a structural schematic diagram of the telescopic base of the present invention when it is in operation.

Fig. 5 is a schematic diagram of the installation structure of the pulley of the present invention.

Fig. 6 is a schematic diagram of the installation structure of the secondary pulley of the present invention.

Fig. 7 is a schematic diagram of the installation structure of the bar of the present invention.

In the figure: telescopic base-1, column-2, telescopic cylinder-3, connecting plate-4, hook-5, steel rope-6, pulley-7, moving rod-8, winch-9, support plate- 10. Suspension plate-11, first reinforcement rod-12, second reinforcement rod-13, wheel-101, moving plate-102, rack-103, moving cavity-104, base-105, transmission belt-106, guide Sleeve-107, pressing plate-108, main pressing rod-109, moving plate-110, compression spring-111, auxiliary pressing rod-112, through hole-113, connecting rod-114, single tooth gear-115, conical spring -116, moving wheel-117, connecting shaft-118, crankshaft-119, positioning mechanism-120, auxiliary crankshaft-1201, auxiliary crankshaft connecting rod-1202, wedge guide sleeve-1203, positioning wedge-1204, pulley-1190 , Secondary pulley-12010, retaining bar-1050, traveling wheel-14.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

Please refer to Fig. 1-Fig. 7, the present invention provides a technical scheme of hoisting device for electric power maintenance equipment: its structure telescopic base 1, column 2, telescopic cylinder 3, connecting plate 4, hook 5, steel rope 6, pulley 7, Moving rod 8, hoist 9, support plate 10, hanging plate 11, first reinforcement rod 12, second reinforcement rod 13, vertically welded column 2 on the telescopic base 1, the side of the column 2 and the second reinforcement One end of the rod 13 is connected and the two form an angle of 30 degrees. The other end of the second reinforcing rod 13 is connected to the telescopic base 1. The top of the column 2 is vertically connected to the support plate 10 on which a roll Hoist 9, the hanging plate 11 is welded on both sides of the support plate 10 and is arranged in front of the hoist 9, the hanging plate 11 is hinged with one end of the moving rod 8, and the other end of the moving rod 8 is equipped with a pulley 7, The pulley 7 is matched with the steel rope 6, one end of the steel rope 6 is wound on the hoist 9, the other end of the steel rope 6 is connected with a hook 5, the piston rod of the telescopic cylinder 3 and the connecting plate 4 Hinge connection, the connecting plate 4 is connected in the middle of the moving rod 8, the cylinder bottom of the telescopic cylinder 3 is hinged on the side of the column 2, the telescopic base 1 is composed of wheels 101, moving plate 102, rack 103, and moving chamber 104 , base 105, transmission belt 106, guide sleeve 107, pressing plate 108, main pressing rod 109, moving plate 110, compression spring 111, auxiliary pressing rod 112, through hole 113, connecting rod 114, single tooth gear 115, conical spring 116, moving wheel 117, connecting shaft 118, crankshaft 119, positioning mechanism 120 is formed, and described base 105 is square body and one side has moving cavity 104, and described moving cavity 104 is provided with moving plate 102, and described moving plate 102 is provided with wheels 101 at the bottom, and the moving plate 102 is slidably connected with the moving cavity 104 of the base 105 through the wheels 101. The end of the moving plate 102 located outside the base 105 is connected with the moving wheel 117 through a conical spring 116. The base 105 is provided with a through hole 113 close to the top of the exit of the moving chamber 104, and a guide sleeve 107 is connected above the position of the through hole 113 of the base 105. The guide sleeve 107 is provided with a moving plate 110 matched therewith. The top of the plate 110 is vertically connected with a main compression rod 109, the top of the main compression rod 109 is provided with a pressing plate 108, the middle of the bottom of the moving plate 110 is vertically connected with the top of the secondary compression rod 112, and the top of the secondary compression rod 112 Compression springs 111 are arranged around, and the compression springs 111 are connected between the base 105 and the moving plate 110. The bottom of the secondary compression rod 112 is hinged to one end of the connecting rod 114, and the other end of the connecting rod 114 is smaller to the crankshaft 119. One end of the crankshaft 119 is hingedly connected, and the center of the larger end of the crankshaft 119 is connected to the single-toothed gear 115 through the connecting shaft 118, and the single-toothed gear 115 is connected to the rack 103, and the rack 103 is arranged on the moving plate 102, the crankshaft 119 is connected to the positioning mechanism 120 through the transmission belt 106;

The positioning mechanism 120 is composed of an auxiliary crankshaft 1201, an auxiliary crankshaft connecting rod 1202, a wedge guide sleeve 1203, and a positioning wedge 1204. The smaller end of the auxiliary crankshaft 1201 is hinged to one end of the auxiliary crankshaft connecting rod 1202. The other end of the crankshaft connecting rod 1202 is hingedly connected to the top of the positioning wedge 1204, and the positioning wedge 1204 is arranged inside the wedge guide sleeve 1203, and the wedge guide sleeve 1203 is fixed above the rack 103, and the rack 103 Fitted with the positioning wedge 1204 , the secondary crankshaft 1201 is in drive connection with the crankshaft 119 through the transmission belt 106 .

Described crankshaft 119 also comprises belt pulley 1190, and described crankshaft 119 is gourd shape, and described belt pulley 1190 is fixedly connected on the side of crankshaft 119 bigger end, and the circle center of described pulley 1190 is consistent with the circle center of crankshaft 119 bigger end.

The auxiliary crankshaft 1201 also includes an auxiliary pulley 12010. The auxiliary crankshaft 1201 is gourd-shaped. The center of the circle is on the same level as the center of the larger end of the secondary crankshaft 1201 , and the secondary pulley 12010 is connected to the pulley 1190 through a transmission belt 106 .

The inside of the base 105 is provided with retaining strips 1050, and the retaining strips 1050 are provided with two and parallel to each other. The two retaining strips 1050 are respectively fixed on both sides of the top of the moving cavity 104 of the base 105, and the horizontal direction of the retaining strips 1050 It is consistent with the moving direction of the moving plate 110 .

It also includes traveling wheels 14, and four traveling wheels 14 are evenly distributed on the bottom of the telescopic base 1.

Said hoist 9 of this patent winds wire rope or chain lifting or traction weight with reel.

During use, if the weight of the object is heavy, first hang the object with the hook 5, hold the column 2 with your hand, start the hoist 9 to roll up, and make the object higher than the telescopic base 1. At this time, just press the pressing plate 108 to make the object The moving plate 102 inside the telescopic base 1 moves outward, increasing the length of the telescopic base 1, lowering the center of gravity of the entire device, keeping the device in balance, and increasing the stability of the device. When pressing down on the pressing plate 108, the moving plate 110 moves down The connecting rod 114 drives the crankshaft 119 to rotate once, and the single-toothed gear 115 rotates accordingly. The single-toothed gear 115 pushes the moving plate 102 to move outward for a certain distance through the engagement with the rack 103, and the crankshaft 119 rotates while driving the secondary crankshaft 1201. Synchronous transmission, the positioning wedge 1204 that holds the rack 103 rises under the action of the connecting rod 1202 of the auxiliary crankshaft, and falls down again to hold the rack 103 when the auxiliary crankshaft 1201 rotates one revolution, and can break away from the rack when the single-toothed gear 115 is working 103, clamp the rack 103 after the work is finished, and effectively fix the moving plate 110 to prevent the displacement of the moving plate 110. Gradually move outward.

Because the crankshaft 119 also includes a pulley 1190, the pulley 1190 can be driven.

Because the auxiliary crankshaft 1201 also includes an auxiliary pulley 12010 , the crankshaft 119 and the auxiliary crankshaft 1201 can be synchronously driven through the pulley 1190 .

Because the base 105 is provided with a retaining bar 1050 , the vertical position of the moving plate 110 can be limited.

Because also include road wheel 14, be convenient to the movement of equipment.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or fundamentals of the present invention. The present invention can be implemented in other specific forms without any specific features. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. A hoisting device for electric power maintenance equipment, its structure is telescopic base (1), column (2), telescopic cylinder (3), connecting plate (4), hook (5), steel rope (6), pulley (7) ), moving bar (8), hoist (9), support plate (10), hanging plate (11), first reinforcing bar (12), second reinforcing bar (13), the telescopic base (1) A column (2) is vertically welded on the top, and the side of the column (2) is connected to one end of the second reinforcement rod (13) at an angle of 30 degrees, and the other end of the second reinforcement rod (13) is connected to the telescopic base (1), the top of the column (2) is vertically connected to the support plate (10), the hoist (9) is installed on the support plate (10), and the hanging plate (11) is welded on the support plate ( 10) Both sides are arranged in front of the hoist (9), the hanging plate (11) is hinged with one end of the moving rod (8), and the other end of the moving rod (8) is equipped with a pulley (7). The pulley (7) is matched with the steel rope (6), and one end of the steel rope (6) is wound on the hoist (9), and the other end of the steel rope (6) is connected with a suspension hook (5). The piston rod of the telescopic cylinder (3) is hingedly connected to the connecting plate (4), the connecting plate (4) is connected in the middle of the moving rod (8), and the bottom of the cylinder body of the telescopic cylinder (3) is hinged on the column (2) side, characterized by: The telescopic base (1) is composed of wheels (101), moving plate (102), rack (103), moving cavity (104), base (105), transmission belt (106), guide sleeve (107), pressing plate (108), main pressure rod (109), moving plate (110), compression spring (111), auxiliary pressure rod (112), through hole (113), connecting rod (114), single tooth gear (115), bevel shaped spring (116), moving wheel (117), connecting shaft (118), crankshaft (119), positioning mechanism (120), The base (105) is a square and has a moving cavity (104) on one side, a moving plate (102) is arranged in the moving cavity (104), and wheels (101) are arranged at the bottom of the moving plate (102) , the moving plate (102) is slidingly connected with the moving chamber (104) of the base (105) through wheels (101), and the end of the moving plate (102) located outside the base (105) is connected to the The moving wheels (117) are connected, and the base (105) is provided with a through hole (113) near the outlet of the moving cavity (104), and a guide sleeve (107) is connected above the position of the through hole (113) of the base (105). ), the guide sleeve (107) is provided with a moving plate (110) matched therewith, and the top of the moving plate (110) is vertically connected with a main pressure rod (109), and the main pressure rod (109) The top is provided with a pressing plate (108), and the middle of the bottom of the moving plate (110) is vertically connected with the top of the auxiliary pressing rod (112), and compression springs (111) are arranged around the auxiliary pressing rod (112). The compression spring (111) is connected between the base (105) and the moving plate (110), the bottom of the secondary compression rod (112) is hinged to one end of the connecting rod (114), and the other end of the connecting rod (114) is connected to the The smaller end of the crankshaft (119) is hingedly connected, and the center of the larger end of the crankshaft (119) is connected with the single-toothed gear (115) through the connecting shaft (118), and the single-toothed gear (115) is connected to the The bar (103) is connected by transmission, and the rack (103) is located on the moving plate (102), and the crankshaft (119) is connected by transmission to the positioning mechanism (120) through the transmission belt (106); The positioning mechanism (120) is composed of an auxiliary crankshaft (1201), an auxiliary crankshaft connecting rod (1202), a wedge guide sleeve (1203), and a positioning wedge (1204). The smaller end of the auxiliary crankshaft (1201) is connected to the One end of the auxiliary crankshaft connecting rod (1202) is hinged, and the other end of the auxiliary crankshaft connecting rod (1202) is hingedly connected to the top of the positioning wedge (1204), and the positioning wedge (1204) is arranged on the wedge guide sleeve (1203 ), the wedge guide bush (1203) is fixed above the rack (103), the rack (103) is fitted with the positioning wedge (1204), and the auxiliary crankshaft (1201) passes through the transmission belt (106 ) is connected with the crankshaft (119) transmission. 2. A hoisting device for electric maintenance equipment according to claim 1, characterized in that: the crankshaft (119) also includes a pulley (1190), the crankshaft (119) is gourd-shaped, and the pulley (1190) ) is fixedly connected to the side of the larger end of the crankshaft (119), and the center of circle of the belt pulley (1190) is consistent with the center of circle of the larger end of the crankshaft (119). 3. A hoisting device for electric power maintenance equipment according to claims 1 and 2, characterized in that: the auxiliary crankshaft (1201) also includes an auxiliary pulley (12010), and the auxiliary crankshaft (1201) is gourd-shaped, The auxiliary pulley (12010) is arranged on the side of the larger end of the auxiliary crankshaft (1201) and is fixedly connected with the auxiliary crankshaft (1201). The center of circle of the auxiliary pulley (12010) and the larger end of the auxiliary crankshaft (1201) are located On the same horizontal line, the secondary pulley (12010) is connected to the pulley (1190) through a transmission belt (106). 4. A hoisting device for electric power maintenance equipment according to claim 1, characterized in that: said base (105) is provided with retaining strips (1050) inside, and said retaining strips (1050) are provided with two parallel to each other 2 bars (1050) are respectively fixed on both sides of the top of the moving cavity (104) of the base (105), and the horizontal direction of the bars (1050) is consistent with the moving direction of the moving plate (110). 5. A hoisting device for electric power maintenance equipment according to claim 1, characterized in that: it also includes traveling wheels (14), and said traveling wheels (14) are provided with four and evenly distributed on the telescopic base (1 )bottom.