Multifunctional underground rail transport vehicle

Abstract

The invention discloses a multifunctional underground rail transport vehicle, and relates to the technical field of cargo transportation. The relative positions of the multiple steel balls are adjusted, and when heavy objects are carried, adaptive adjustment can be conducted according to the shapes and mass distribution conditions of the heavy objects, so that the carrying process is safer and more stable; the distribution condition of the weight of the heavy object on the weighing platform can be detected, when the weight of the heavy object is concentrated at a certain position, feedback can be carried out through the extinguishing condition of a display lamp on a display panel, an operator can be assisted to distribute goods more uniformly, and then the safety and stability of carrying are improved; by arranging the rotatable supporting table, the supporting table can be aligned with and staggered from the notch of the side supporting frame, the steel tank fixing screw is exposed, and an operator can conveniently rotate the steel tank fixing screw through a wrench.

Description

Technical Field

[0001] The invention relates to the technical field of cargo transportation, in particular to a multifunctional underground rail transport vehicle. Background Art

[0002] With the continuous mining of mines, the depth of mines is getting deeper and deeper, which leads to the very long length of underground tunnels. Tools are needed when transporting items. The simplest and most reliable tool is a rolling pallet, which can withstand a large weight and can transport a large number of heavy objects at one time. However, the position of the steel ball at the bottom of the existing pallet transport structure is not adjustable. Therefore, when the mass distribution of the heavy object is uneven, the whole will shake during the transportation process, resulting in the risk of collapse of the transported heavy objects, which increases the risk factor for the workers. Summary of the invention

[0003] In order to overcome the defects of the above-mentioned prior art, the present invention provides the following technical solutions: a multifunctional underground rail transport vehicle, comprising a transport plate, the lower surface of the transport plate is provided with three parallel arranged sliding rails, the lower surface of the transport plate is slidably installed with three steel grooves arranged perpendicular to the sliding rails through the sliding rails, and each steel groove is rollingly provided with at least four steel balls; a support platform is rotatably arranged on the transport plate, a weighing platform is overlapped on the upper surface of the support platform, and a force-sensitive resistor for measuring pressure is provided between the weighing platform and the support platform, and there are at least nine force-sensitive resistors, and all the force-sensitive resistors are arranged in a rectangular array.

[0004] Preferably, all the steel balls in each steel groove are separated by steel ball limiting blocks, and the two outermost ends of each steel groove are provided with steel ball limiting blocks for preventing the steel balls from sliding out of the steel groove.

[0005] Preferably, circular slide rails are provided on the opposite surfaces of the support platform and the transport plate, at least nine adjusting steel balls are rollingly provided in the circular slide rails, and a positioning rod is slidingly provided between two adjacent adjusting steel balls to control the distance between the two adjacent adjusting steel balls.

[0006] Preferably, two side surfaces of the transport plate are fixedly mounted with side support frames, the side support frames are provided with notches, and the weighing platform and the support platform are provided with notches of the same shape and size as the side support frames.

[0007] Preferably, two parallel limit plate guide slides are fixedly installed on the lower surface of the transport plate, and steel ball limit plates for preventing steel balls from falling are slidably installed on the two limit plate guide slides. The number of steel ball limit plates is the same as the number of steel balls on one of the steel grooves.

[0008] Preferably, steel trough fixing blocks are fixedly installed at both ends of each steel trough, and the steel trough fixing blocks fix the steel trough on the transport plate through steel trough fixing screws.

[0009] Preferably, each steel ball limit plate is provided with threaded holes at both ends, the threaded holes correspond to the positions of the limit plate guide slide rods, and the limit plate fixing screws are threadedly installed in the threaded holes to lock the steel ball limit plate on the limit plate guide slide rod.

[0010] Preferably, a display panel is movably mounted on one of the side support frames, and display lights are arranged in an array on the display panel, and the number of the display lights is the same as the number of the force-sensitive resistors.

[0011] Preferably, all force-sensitive resistors are arranged in series on a 12V DC power supply, and an NPN transistor is arranged in parallel on each force-sensitive resistor, wherein the base of the NPN transistor is electrically connected to the high potential point of the force-sensitive resistor, and the emitter of the NPN transistor is electrically connected to the low potential point of the force-sensitive resistor.

[0012] Preferably, the collectors of all NPN transistors are arranged in parallel at the positive terminal of the 9V DC power supply, the emitters of all NPN transistors are arranged in parallel at the negative terminal of the 9V DC power supply, and a display light is also arranged in series between the emitter of each NPN transistor and the negative terminal of the 9V DC power supply.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention adjusts the relative positions between a plurality of steel balls. When carrying heavy objects, adaptive adjustments can be made according to the shape and mass distribution of the heavy objects, making the handling process safer and more stable; (2) The present invention can also detect the mass distribution of the heavy objects on the weighing platform. When the mass of the heavy objects is concentrated at a certain position, feedback can be given by turning off the display light on the display panel, which can assist the operator in distributing the goods more evenly, thereby improving the safety and stability of handling; (3) The present invention can align and stagger the notch of the support platform with the side support frame by providing a rotatable support platform, so that the steel groove fixing screws are exposed, making it easier for the operator to rotate the steel groove fixing screws with a wrench. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the weighing platform of the present invention.

[0015] Figure 2 For the present invention Figure 1 Schematic diagram of the structure at point A in the middle.

[0016] Figure 3 This is a distribution diagram of the force-sensitive resistor of the present invention.

[0017] Figure 4 It is a schematic diagram of the support platform structure of the present invention.

[0018] Figure 5 For the present invention Figure 4Schematic diagram of the structure at point B in the middle.

[0019] Figure 6 It is a schematic diagram of the bottom structure of the transport plate of the present invention.

[0020] Figure 7 For the present invention Figure 6 Schematic diagram of the structure at point C in the middle.

[0021] Figure 8 It is a structural schematic diagram of the steel ball limiting plate of the present invention.

[0022] Fig. 9 This is a control diagram of the on and off of the display light of the present invention.

[0023] In the figure: 101-weighing platform; 102-force sensitive resistor; 103-support platform; 104-display board; 105-display light; 106-carrying plate; 107-adjusting steel ball; 108-side support frame; 109-positioning rod; 110-slide rail; 111-steel groove; 112-steel groove fixing block; 113-steel groove fixing screw; 114-steel ball limit plate; 115-steel ball; 116-limit plate guide slide rod; 117-limit plate fixing screw; 118-steel ball limit block. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1 -Attached Fig. 9 , and further illustrate the technical solution of the present invention through specific implementation methods.

[0025] The present invention provides a multifunctional underground rail transport vehicle, comprising a transport plate 106, the lower surface of the transport plate 106 is provided with three parallel slide rails 110, the lower surface of the transport plate 106 is slidably installed with three steel grooves 111 arranged perpendicular to the slide rails 110 through the slide rails 110, and at least four steel balls 115 are rollingly arranged on each steel groove 111; a support platform 103 is rotatably arranged on the transport plate 106, a weighing platform 101 is overlapped on the upper surface of the support platform 103, and a force-sensitive resistor 102 for measuring pressure is arranged between the weighing platform 101 and the support platform 103, the force-sensitive resistor 102 is at least nine, and all the force-sensitive resistors 102 are arranged in a rectangular array. All the steel balls 115 in each steel groove 111 are separated by steel ball limiting blocks 118, and the two outermost ends of each steel groove 111 are provided with steel ball limiting blocks 118 for preventing the steel balls 115 from sliding out of the steel groove 111. The supporting platform 103 and the conveying plate 106 are provided with circular slide rails on the opposite surfaces thereof, and at least nine adjusting steel balls 107 are rollingly arranged in the circular slide rails, and a positioning rod 109 is slidingly arranged between two adjacent adjusting steel balls 107 to control the distance between the two adjacent adjusting steel balls 107. Side support frames 108 are fixedly installed on two side surfaces of the conveying plate 106, and a notch is arranged on the side support frame 108, and a notch of the same shape and size as the side support frame 108 is arranged on the weighing platform 101 and the supporting platform 103. Two parallel limiting plate guide slide bars 116 are fixedly installed on the lower surface of the conveying plate 106, and steel ball limiting plates 114 for preventing steel balls 115 from falling are slidably installed on the two limiting plate guide slide bars 116, and the number of steel ball limiting plates 114 is the same as the number of steel balls 115 on one of the steel grooves 111. A steel groove fixing block 112 is fixedly installed at both ends of each steel groove 111, and the steel groove fixing block 112 fixes the steel groove 111 to the transport plate 106 through a steel groove fixing screw 113. Threaded holes are opened at both ends of each steel ball limit plate 114, and the threaded holes correspond to the positions of the limit plate guide slide rod 116. The limit plate fixing screw 117 is threadedly installed in the threaded holes to lock the steel ball limit plate 114 on the limit plate guide slide rod 116. A display panel 104 is movably installed on one of the side support frames 108, and display lights 105 are arranged in an array on the display panel 104. The number of display lights 105 is the same as the number of force sensitive resistors 102. All force-sensitive resistors 102 are connected in series to a 12V DC power supply, and each force-sensitive resistor 102 is connected in parallel to an NPN transistor, wherein the base of the NPN transistor is electrically connected to the high potential point of the force-sensitive resistor 102, and the emitter of the NPN transistor is electrically connected to the low potential point of the force-sensitive resistor 102. The collectors of all NPN transistors are connected in parallel to the positive terminal of the 9V DC power supply, and the emitters of all NPN transistors are connected in parallel to the negative terminal of the 9V DC power supply, and a display light 105 is also connected in series between the emitter of each NPN transistor and the negative terminal of the 9V DC power supply.

[0026] The working principle of a multifunctional underground rail transport vehicle disclosed in the present invention is as follows: when carrying things in an underground tunnel, the items are placed on the weighing platform 101, and then dragged to move as a whole. During the movement, the steel ball 115 will roll between the steel groove 111 and the steel ball limiting plate 114, and the steel ball limiting plate 114 is provided to limit the steel ball 115 in the steel groove 111. By adjusting the distance between the two steel ball limiting plates 114, the distance between the two steel balls 115 in the steel groove 111 can be adjusted, so that the distribution of the steel balls 115 can be more dispersed or more concentrated. When the weight of the carried items is very large, all the steel balls 115 can be distributed more concentratedly, so that a larger weight can be carried. When the volume of the carried items is larger (occupying an area), the steel balls 115 can be dispersed to make the force more uniform.

[0027] When adjusting the steel ball limit plate 114, the limit plate fixing screw 117 can be rotated to make the extrusion force between the limit plate fixing screw 117 and the limit plate guide slide bar 116 disappear, and then the steel ball limit plate 114 is pushed to slide on the limit plate guide slide bar 116. After the position is determined, the limit plate fixing screw 117 is rotated again to fix the steel ball limit plate 114 on the limit plate guide slide bar 116. The distance between the two steel grooves 111 can also be adjusted by rotating the steel groove fixing screw 113 (after the steel groove fixing screw 113 is rotated, the steel groove fixing block 112 and the transport plate 106 are separated from the fixed connection, and then the steel groove 111 can be moved. After the position is moved, the steel groove fixing screw 113 is rotated again to fix the position of the steel groove 111). At this time, the steel ball limit plate 114 needs to be replaced so that the through hole of the steel ball limit plate 114 can buckle the steel ball 115, or a long strip groove is opened on the steel ball limit plate 114. When rotating the steel groove fixing screw 113, the support platform 103 can be rotated in a no-load state so that the notch of the support platform 103 is aligned with the notch of the side support frame 108, which is convenient for rotating the steel groove fixing screw 113 with a wrench. When the adjustment is completed, the support platform 103 is rotated so that the notch of the support platform 103 is staggered with the notch of the side support frame 108.

[0028] When carrying heavy objects, the user does not know whether the position of the heavy object distribution corresponds to the position of the adjusted steel ball 115, so sometimes the whole device will shake during the transportation process, which is very unstable. Therefore, a force-sensitive resistor 102 is arranged in an array between the support platform 103 and the weighing platform 101 to measure the distribution of the heavy object on the weighing platform 101. It should be noted that the weighing platform 101 and the support platform 103 are bonded together by elastic rubber, wherein the force-sensitive resistor 102 is fixed on the support platform 103 (there is no elastic rubber at the position interfering with the force-sensitive resistor 102). When the mass of the heavy object on the weighing platform 101 is greater than the maximum elastic force of the elastic rubber (that is, the mass of the heavy object is too large, which will affect the overall balance during the transportation process), the weighing platform 101 will squeeze the force-sensitive resistor 102. When the force-sensitive resistor 102 is squeezed, the resistance value of the force-sensitive resistor 102 will decrease. Since multiple force-sensitive resistors 102 are arranged in an array, if the mass of the weight at the corresponding position is too large, it will squeeze the force-sensitive resistor 102 at the corresponding position. The position of the display light 105 set on the display board 104 corresponds to the position of the force-sensitive resistor 102. The distribution of force on the weighing platform 101 can be determined by whether the display light 105 is on or off. In order to ensure the overall stability, two arrays of display lights 105 are set on the display board 104, and each display light 105 is set in parallel to prevent one of the display lights 105 from being damaged and extinguished. Since all the force-sensitive resistors 102 are arranged in series, when the corresponding force-sensitive resistor 102 is subjected to pressure, the voltage across the force-sensitive resistor 102 will decrease. At this time, the voltage across the base and emitter of the NPN transistor is in a positive bias, and the voltage divided by the two ends will decrease. At this time, the trigger voltage (0.7V) of the base and emitter of the NPN transistor cannot be reached, which will cause the current between the collector and the emitter of the NPN transistor to be cut off. At this time, the display light 105 at the corresponding position will go out. Therefore, the extinction of multiple display lights 105 on the display panel 104 can be used to know the distribution of weights on the weighing platform 101, which can assist the user in distributing the weights more evenly and make the whole more stable during the transportation process.

Claims

1. A multifunctional underground rail transport vehicle, characterized in that: The transport plate (106) comprises three parallel slide rails (110) on the lower surface of the transport plate (106); three steel grooves (111) arranged perpendicular to the slide rails (110) are slidably mounted on the lower surface of the transport plate (106) through the slide rails (110); at least four steel balls (115) are rotatably mounted on each of the steel grooves (111); A support platform (103) is rotatably arranged on the transport plate (106), a weighing platform (101) is overlapped on the upper surface of the support platform (103), and force-sensitive resistors (102) for measuring pressure are arranged between the weighing platform (101) and the support platform (103). There are at least nine force-sensitive resistors (102), and all the force-sensitive resistors (102) are arranged in a rectangular array.

2. A multifunctional underground rail transport vehicle according to claim 1, characterized in that: All the steel balls (115) in each steel groove (111) are separated by steel ball limiting blocks (118), and the two outermost ends of each steel groove (111) are provided with steel ball limiting blocks (118) for preventing the steel balls (115) from sliding out of the steel groove (111).

3. A multifunctional underground rail transport vehicle according to claim 2, characterized in that: Circular slide rails are arranged on the opposing surfaces of the support platform (103) and the transport plate (106), at least nine adjusting steel balls (107) are rotatably arranged in the circular slide rails, and a positioning rod (109) is slidably arranged between two adjacent adjusting steel balls (107) for controlling the distance between the two adjacent adjusting steel balls (107).

4. A multifunctional underground rail transport vehicle according to claim 3, characterized in that: Side support frames (108) are fixedly mounted on two side surfaces of the transport plate (106), and the side support frames (108) are provided with notches. The weighing platform (101) and the support platform (103) are provided with notches of the same shape and size as the side support frames (108).

5. A multifunctional underground rail transport vehicle according to claim 4, characterized in that: Two parallel limit plate guide slide bars (116) are fixedly mounted on the lower surface of the transport plate (106), and steel ball limit plates (114) for preventing the steel balls (115) from falling are slidably mounted on the two limit plate guide slide bars (116), and the number of the steel ball limit plates (114) is the same as the number of the steel balls (115) on one of the steel grooves (111).

6. A multifunctional underground rail transport vehicle according to claim 5, characterized in that: Steel channel fixing blocks (112) are fixedly mounted at both ends of each steel channel (111), and the steel channel fixing blocks (112) fix the steel channel (111) on the transport plate (106) via steel channel fixing screws (113).

7. A multifunctional underground rail transport vehicle according to claim 6, characterized in that: Both ends of each steel ball limit plate (114) are provided with threaded holes, the threaded holes corresponding to the positions of the limit plate guide slide rod (116), and the limit plate fixing screws (117) are threadedly installed in the threaded holes for locking the steel ball limit plate (114) on the limit plate guide slide rod (116).

8. The multifunctional underground rail transport vehicle according to claim 7, characterized in that: A display panel (104) is movably mounted on one of the side support frames (108), and display lights (105) are arranged in an array on the display panel (104). The number of the display lights (105) is the same as the number of the force-sensitive resistors (102).

9. The multifunctional underground rail transport vehicle according to claim 8, characterized in that: All force-sensitive resistors (102) are connected in series to a 12V DC power supply, and each force-sensitive resistor (102) is connected in parallel to an NPN transistor, wherein the base of the NPN transistor is electrically connected to a high potential point of the force-sensitive resistor (102), and the emitter of the NPN transistor is electrically connected to a low potential point of the force-sensitive resistor (102).

10. The multifunctional underground rail transport vehicle according to claim 9, characterized in that: The collectors of all NPN transistors are connected in parallel to the positive terminal of a 9V DC power supply, the emitters of all NPN transistors are connected in parallel to the negative terminal of the 9V DC power supply, and a display light (105) is connected in series between the emitter of each NPN transistor and the negative terminal of the 9V DC power supply.

Images