CN207658591U - A kind of frequency conversion cement transportation vehicle - Google Patents

Abstract

The utility model discloses a frequency conversion cement delivery vehicle, which comprises a bracket and a slide rail. The upper surface of the bracket is provided with a slide rail, the surface of the bracket is provided with a support rod, and the left and right tops of the bracket are provided with The baffle plate is provided with a transport vehicle above the slide rail, the lower surface of the transport vehicle is provided with a pulley, the lower surface of the baffle plate is provided with a motor box, and the left side surface of the motor box is provided with a square hole. The inside of the motor box is provided with a motor, the right side of the motor is provided with a second support, the upper part of the second support is provided with a bearing, and the inner wall of the bearing is provided with a second rotating shaft. Because the general conveying vehicles are driven by fixed-frequency motors, the instantaneous pulling force is too large, and the conveying chains are always broken, and the conveying speed is also low. The utility model controls the output power through the frequency conversion motor during transportation, so that the chain can be reduced. loss and prolong the service life of the motor.

Description

A frequency conversion cement conveying vehicle

technical field

The utility model relates to the technical field of frequency conversion cement delivery vehicles, in particular to a frequency conversion cement delivery vehicle.

Background technique

The cement delivery vehicle is a trolley that is set on the driving track and has an openable opening controlled by a hydraulic rod on the lower part. Because the general conveying vehicles are driven by fixed-frequency motors, the instantaneous pulling force is too large, and the conveying chain is always broken, and the conveying speed is also low. The utility model reduces the initial speed and increases the medium speed by using the frequency conversion motor, so that the pulling force gradually increases. Large, while avoiding chain breakage, the conveying speed is increased. By installing the ratchet device, the wear of the motor when it is not working can be reduced and the service life of the motor can be extended.

Utility model content

The purpose of this utility model is to provide a frequency conversion cement transport vehicle to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a frequency conversion cement transport vehicle, including a bracket and a slide rail, the upper surface of the bracket is provided with a slide rail, the surface of the bracket is provided with a support rod, and the bracket Baffle plates are provided on the top left and right sides of the slide rail, a transport vehicle is provided above the slide rail, a pulley is provided on the lower surface of the transport vehicle, and a motor box is provided on the lower surface of the baffle plate. The left side surface is provided with a square hole, the inside of the motor box is provided with a motor, the right side of the motor is provided with a second support, the upper part of the second support is equipped with a bearing, and the inner wall of the bearing is provided with The second rotating shaft, the left end of the second rotating shaft is connected with the motor, the outer surface of the second rotating shaft is equipped with a second sprocket, the upper surface of the baffle is provided with a first support, and the first support The inside is provided with a first rotating shaft.

Preferably, the left and right ends of the slide rail are equipped with a buffer device, the buffer device includes a top plate, the left and right ends of the slide rail are provided with a top plate, the inside of the top plate is provided with a slide bar, and the slide bar The right side of the rod is provided with a backing plate, the left side surface of the backing plate is provided with a spring, the lower end of the backing plate is provided with a slider, and the left end of the slide bar is provided with an insertion rod, and the insertion rod runs through the slide bar .

Preferably, the lower end of the support rod is provided with a base plate.

Preferably, a top cover is installed on the outer surface of the square hole.

Preferably, a ratchet device is provided on the surface of the first rotating shaft, and the ratchet device includes a disc, a disc is provided on the outer surface of the second rotating shaft, and a first sprocket is installed on the left end of the disc, The first sprocket is connected to the second sprocket through a chain, a sleeve is provided on the outer surface of the disc, a ratchet is provided on the inner surface of the sleeve, and a cylinder is provided on the left side of the disc. , the circumference of the outer surface of the cylinder is provided with a sleeve, the outer surface of the sleeve is equipped with a block, the left side of the block is provided with a spring leaf, the outer surface of the sleeve is provided with a steel cable, the The kit is connected to the delivery cart by steel cables.

Preferably, a cylinder is arranged above the backing plate.

Compared with the prior art, the beneficial effect of the utility model is that: the frequency conversion cement transport vehicle is driven by a fixed-frequency motor, which causes the instantaneous pulling force to be too large, and the transport chain is always broken, and the transport speed is also low. Low, after replacing the frequency conversion motor, reduce the initial speed and increase the middle speed, so that the pulling force gradually increases, avoiding the chain from being broken, and increasing the conveying speed. By installing a ratchet device on the surface of the second rotating shaft, the second rotating shaft can only Drive the steel cable to shrink in one way, so that the steel cable will not drive the second rotating shaft to rotate during reverse transportation during use, thus avoiding the problem that the steel cable drives the second rotating shaft to rotate and drive the motor to move when the motor is not working, thus It can reduce the wear and tear of the motor and prolong the service life of the motor.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a sectional view of the motor box of the present utility model;

Fig. 3 is a sectional view of the ratchet device of the present invention;

Fig. 4 is a side view of the ratchet device of the present invention;

Fig. 5 is a cross-sectional view of the buffer device of the present invention.

Among the figure: 1, bracket, 2, slide rail, 3, pulley, 4, motor box, 5, first support, 6, steel cable, 7, conveying vehicle, 8, buffer device, 801, top plate, 802, slide Block, 803, backing plate, 804, spring, 805, slide bar, 806, plunger, 9, ratchet device, 901, kit, 902, block, 903, cylinder, 904, disc, 905, sleeve, 906 , ratchet, 907, spring leaf, 908, first sprocket, 10, baffle plate, 11, support rod, 12, base plate, 13, first rotating shaft, 14, bearing, 15, second bearing, 16, Second rotating shaft, 17, motor, 18, square hole, 19, top cover, 20, cylinder, 21, chain, 22, second sprocket wheel.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5, the utility model provides a technical solution: a frequency conversion cement transport vehicle, including a bracket 1 and a slide rail 2, the upper surface of the bracket 1 is provided with a slide rail 2, and the left and right ends of the slide rail 2 are Buffering device 8 is installed, and buffering device 8 can buffer conveying vehicle 7 and simultaneously can avoid the situation that the braking is not in time to cause conveying vehicle to break away from the surface of slide rail 2. A top plate 801 is provided, and a slide bar 805 is provided inside the top plate 801. The slide bar 805 runs through the top plate 801. The slide bar 805 can slide inside the top plate 801. The right side of the slide bar 805 is provided with a backing plate 803, and the backing plate 803 A cylinder 20 is provided above, and a spring 804 is provided on the left surface of the backing plate 803. When the backing plate 803 is hit, it moves to the left. When the backing plate 803 moves to the left, the compression spring 804 contracts, and the spring 804 deforms Can reduce the kinetic energy of the transport vehicle 7 when it moves so that the transport vehicle 7 is slowed down. The lower end of the backing plate 803 is provided with a slide block 802, and the left end of the slide bar 805 is provided with an insertion rod 806. The insertion rod 806 runs through the slide bar 805. 7 gradually decelerates after colliding with the backing plate 803 until it stops, the transport vehicle 7 can be stopped on the surface of the slide rail 2, the surface of the support 1 is provided with a support rod 11, the lower end of the support rod 11 is provided with a base plate 12, and the base plate 12 The lower surface area of the support rod 11 can be increased, and the pressure at the lower end of the support rod 11 can be reduced by increasing the surface area. The top left and right sides of the support 1 are provided with baffles 10, and the top of the slide rail 2 is provided with a transport cart 7, and the top of the transport cart 7 The lower surface is provided with a pulley 3, and the transport vehicle 7 slides on the surface of the slide rail 2 through the pulley 3. The lower surface of the baffle plate 10 is provided with a motor box 4, and the left surface of the motor box 4 is provided with a square hole 18, and the square hole 18 A top cover 19 is installed on the outer surface of the motor box, and the top cover 19 is used to close the square hole 18. The inside of the motor box 4 is provided with a motor 17. The motor 17 is a variable frequency motor. When using the motor, the initial speed is reduced and the middle speed is increased, so that the pulling force gradually increases. , while avoiding the chain from being broken, the conveying speed is improved, the external power supply of the motor 17 is connected, the right side of the motor 17 is provided with a second support 15, and the upper part of the second support 15 is equipped with a bearing 14, through which the motor 17 The rotation drives the second rotating shaft 16 to rotate, the inner wall of the bearing 14 is provided with the second rotating shaft 16, the left end of the second rotating shaft 16 is connected with the motor 17, and the outer surface of the second rotating shaft 16 is equipped with a second sprocket wheel 22. The surface of the first rotating shaft 13 is provided with a ratchet device 9, the ratchet device 9 includes a disc 904, the outer surface of the first rotating shaft 13 is provided with a disc 904, and the left end of the disc 904 is equipped with a first chain Wheel 908, the chain 21 and the second sprocket 22 passed by the first sprocket 908, the outer surface circumference of the connected disc 904 is provided with a sleeve 901, the sleeve 901 can rotate on the surface of the disc 904, the inner side of the sleeve 901 Surface is provided with ratchet 906, and the left side surface of disc 904 is provided with cylinder 903, and the outer surface circumference of cylinder 903 is provided with sleeve 9 05, the sleeve 905 can rotate on the surface of the cylinder 903, the outer surface of the sleeve 905 is equipped with a block 902, the left side of the block 902 is provided with a spring piece 907, and the spring piece 907 pushes the block 902 to cooperate with the ratchet 906 , through the cooperation of the block 902 and the ratchet 906, the sleeve 901 can be rotated in a single direction on the surface of the disc 904, the outer surface of the sleeve 901 is provided with a steel cable 6, and the upper surface of the baffle plate 10 is provided with a first support 5, The inside of the first support 5 is provided with a first rotating shaft 13, and the steel cable 6 is connected to the transport vehicle 7 through the surface of the first rotating shaft 13. During use, the user drives the second rotating shaft by connecting the external power supply of the motor 17 16 to rotate, the rotation of the second shaft 16 drives the second sprocket 22 to rotate, the second sprocket 22 drives the first sprocket 908 to rotate through the chain, the first sprocket 908 drives the disc 904 to rotate, and the spring The piece 907 pushes the block 902 to cooperate with the ratchet 906 to drive the sleeve 901 to rotate, and the rotation of the sleeve 901 can wind and shrink the steel cable 6, and the power direction of the steel cable 6 can be changed through the first rotating shaft 13, and the original direction The lower pulling force is changed to a horizontal pulling force, and the pulling transport vehicle 7 by the steel cable 6 can follow the movement of the steel cable 6. When the reverse movement of the transport vehicle is required, the motor 17 is turned off, and the external connection of the motor 17 on the other side is connected. The power supply drives the transport vehicle 7 to move to the other side, and when the transport vehicle moves to the other side, the sleeve 901 moves on the surface of the disc 904 so as to prevent the steel cable 6 from driving the second rotating shaft 16 to rotate, thereby driving the motor 17 Reverse rotation under non-working conditions affects the service life of the motor 17.

When the user transports cement, by connecting the external power supply of the motor 17, the motor 17 drives the second rotating shaft 16 to rotate, and the rotation of the second rotating shaft 16 drives the second sprocket 22 to rotate, and the second sprocket 22 is driven by a chain. The first sprocket 908 rotates, the first sprocket 908 drives the disc 904 to rotate, and the spring plate 907 pushes the block 902 to cooperate with the ratchet 906 to drive the sleeve 901 to rotate, and the rotation of the sleeve 901 can drive the steel cable 6 for winding and shrinking, the power direction of the steel cable 6 can be changed through the first rotating shaft 13, and the original downward pulling force can be changed to a horizontal pulling force, and the transport vehicle 7 can follow the steel cable 6 to move through the pulling of the steel cable 6. When the transport vehicle moves in the reverse direction, the motor 17 is turned off, and the external power supply of the motor 17 on the other side is connected to drive the transport vehicle 7 to move to the other side. The surface of the steel cable 6 is moved to avoid the problem that the second rotating shaft 16 is driven to rotate, thereby driving the motor 17 to reversely rotate when it is not working, thereby affecting the service life of the motor 17. By using a variable frequency motor to reduce the initial speed and improve the The speed makes the pulling force gradually increase, avoiding the chain from being broken, and increasing the conveying speed.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A variable frequency cement delivery vehicle, comprising a bracket (1) and a slide rail (2), the upper surface of the bracket (1) is provided with a slide rail (2), characterized in that: the surface of the bracket (1) A support rod (11) is provided, baffles (10) are provided on the top left and right sides of the support (1), and a transport vehicle (7) is provided above the slide rail (2), and the transport vehicle ( The lower surface of 7) is provided with a pulley (3), the lower surface of the baffle (10) is provided with a motor box (4), and the left surface of the motor box (4) is provided with a square hole (18), so The inside of the motor box (4) is provided with a motor (17), the right side of the motor (17) is provided with a second support (15), and the upper part of the second support (15) is equipped with a bearing (14 ), the inner wall of the bearing (14) is provided with a second rotating shaft (16), the left end of the second rotating shaft (16) is connected with the motor (17), and the outer surface of the second rotating shaft (16) is equipped with a second For the second sprocket (22), the upper surface of the baffle (10) is provided with a first support (5), and the inside of the first support (5) is provided with a first rotating shaft (13). 2. A frequency conversion cement delivery vehicle according to claim 1, characterized in that: the left and right ends of the slide rail (2) are equipped with a buffer device (8), and the buffer device (8) includes a top plate ( 801), the left and right ends of the slide rail (2) are provided with a top plate (801), the interior of the top plate (801) is provided with a slide bar (805), and the right side of the slide bar (805) is provided with The backing plate (803), the left side surface of the backing plate (803) is provided with a spring (804), the lower end of the backing plate (803) is provided with a slider (802), and the left end of the sliding bar (805) An insertion rod (806) is provided, and the insertion rod (806) passes through the slide rod (805). 3. The frequency conversion cement delivery vehicle according to claim 1, characterized in that: a base plate (12) is provided at the lower end of the support rod (11). 4. The frequency conversion cement delivery vehicle according to claim 2, characterized in that: a cylinder (20) is arranged above the backing plate (803). 5. A frequency conversion cement delivery vehicle according to claim 1, characterized in that: a ratchet device (9) is provided on the surface of the first rotating shaft (13), and the ratchet device (9) includes a disc (904 ), the circumference of the outer surface of the first rotating shaft (13) is provided with a disk (904), the left end of the disk (904) is equipped with a first sprocket (908), and the first sprocket (908) The passing chain (21) is connected with the second sprocket (22), the outer surface of the disc (904) is provided with a sleeve (901), and the inner surface of the sleeve (901) is provided with a ratchet (906) , the left surface of the disc (904) is provided with a cylinder (903), the outer surface of the cylinder (903) is provided with a sleeve (905), and the outer surface of the sleeve (905) is installed with a card block (902), the left side of the clamping block (902) is provided with a spring leaf (907), the outer surface of the sleeve (901) is provided with a steel cable (6), and the sleeve (901) passes through the steel cable ( 6) Connect with the transport vehicle (7). 6. The frequency conversion cement delivery vehicle according to claim 5, characterized in that: a top cover (19) is installed on the outer surface of the square hole (18).