Positioning vehicle driving pinion anti-falling device

Abstract

The invention discloses a positioning vehicle driving small tooth anti-falling device, belongs to the technical field of mechanical driving degradation prevention, and is used for realizing an early falling trend alarm function of a positioning vehicle driving small tooth and a sudden falling protection function of the positioning vehicle driving small tooth. In addition, the device has a unique dual-alarm mechanism, namely electrical and mechanical dual-alarm, also has a leveling function and a reset function, and has the advantages of creativity, novelty, high reliability and great popularization value.

Description

Technical Field

[0001] The present invention relates to an anti-falling device for the driving pinion of a positioning vehicle, belonging to the technical field of mechanical drive for preventing deterioration. Background Art

[0002] The positioning vehicle is used to push the train carriage and help the train carriage accurately position at the dumper. The positioning vehicle generally consists of multiple longitudinal drives. Such longitudinal drives are successively composed of a motor, a speed reducer, and a driving pinion from top to bottom. Among them, due to the action of gravity during operation, the driving pinion always has a downward falling trend. The falling trend will be aggravated due to the loosening of the bolt of the pinion clamping plate or the uneven force on the pinion, and finally the driving pinion will fall off. After the pinion falls off, it drops into the foundation pit of the positioning vehicle track. The distance between the positioning vehicle track and the track fastener of the driving rack of the positioning vehicle is smaller than the diameter of the driving pinion, and the installation height of the horizontal wheel of the positioning vehicle is lower than the height of the driving pinion. Therefore, after the driving pinion falls off, the balance wheel of the positioning vehicle will push the fallen driving pinion to damage other steel structures in the foundation pit, resulting in great losses. Based on this, it is necessary to design an anti-falling device for the driving pinion of the positioning vehicle to meet the on-site use, which can not only detect and give early warning to the state of the driving pinion, but also catch the driving pinion. In addition, in the conventional technology, in order to ensure that some components of the equipment are kept horizontal, a spirit level and other structures will be set, which will increase the installation of additional structures. At the same time, when there is a need for reset shock absorption for the device, complex reset shock absorption structures need to be set additionally. Summary of the Invention

[0003] The present invention provides an anti-falling device for the driving pinion of a positioning vehicle. This anti-falling device for the driving pinion of the positioning vehicle can solve two main problems: First, solve the problem of early downward fall judgment of the driving pinion. Before the pinion falls, there is generally a slow downward fall process. The specially designed distance detection limit switch of the anti-falling device for the pinion can detect the downward fall phenomenon of the pinion at an early stage and give an early warning of the pinion fall to avoid the occurrence of the pinion fall situation; Second, solve the problem of damage to the steel structure of the equipment caused by the sudden fall of the driving pinion. The sudden fall of the pinion is closely related to the force on the driving structure. In order to prevent this situation from occurring, the anti-falling device for the pinion specially designs a tray structure and a mechanical alarm structure, which can catch the suddenly fallen pinion and generate an alarm; Third, solve the problem of creative adjustment based on the existing anti-falling device for the driving pinion of the positioning vehicle, realizing reset shock absorption without setting a complex reset shock absorption structure; Fourth, solve the leveling problem. Due to the installation accuracy problem of the bracket, the base and other structures may not be able to maintain horizontal. This application does not require a spirit level and other structures to be set at a specific position, which increases additional structures and costs.

[0004] The technical solution to solve the above technical problems is:

[0005] An anti-falling device for the driving pinion of a positioning vehicle, characterized in that it includes a plurality of ear plates, a plurality of brackets, a tray, a bearing, a base, a clamping plate, a pigment ball, and a distance detection limit switch. The ear plates are composed of two right-angled fixed plates, and through holes are provided on both fixed plates. The bracket includes a vertical plate and a horizontal plate. The horizontal plate is fixed at the lower end of the vertical plate, a through hole is provided at the upper end of the vertical plate, and a through hole is provided on the horizontal plate. The ear plate and the upper end of the bracket are connected together by bolts. The outer side of the base is disc-shaped, and several through holes are provided on the outer side of the base. The horizontal plate of the bracket and the base are connected together by bolts. The upper end surface of the base and the lower end surface of the tray are connected by a bearing. The clamping plate is right-angled and is divided into a first clamping plate and a second clamping plate according to different fixed positions. At least one first clamping plate is connected to the lower end of the tray, and at least one second clamping plate is connected to the upper end of the base. The pigment ball is arranged on the base. A through hole is provided at the center of the tray, and a threaded hole is provided at the center of the base. The distance detection limit switch is installed in the threaded hole at the center of the base and passes through the through hole of the tray.

[0006] Further, a fixed stop is welded on the right side in the middle of the bracket.

[0007] Further, a circular slideway surrounded by two circular baffles is welded under the tray, and a slit and a threaded hole are opened on the inner side of the slideway.

[0008] Further, the bearing is a thrust ball bearing.

[0009] Further, two circular baffles II are fixed on the upper end of the base, and a circular slideway II surrounded by the two circular baffles II. The inner side of the slideway II is connected to the second clamping plate and accommodates the pigment ball.

[0010] Further, the pigment ball contains liquid pigment. When the tray drives the clamping plate to rotate, it can be squeezed and broken, and the liquid pigment flows out of the pigment ball to generate a warning.

[0011] Further, the distance detection limit can adjust the distance between the rotating distance detection limit switch and the pinion.

[0012] Further, it also includes a reset shock-absorbing structure. The reset shock-absorbing structure includes a reset insertion rod and a compression spring. A horizontal support convex plate is also provided at the lower left part of the bracket. The support convex plate is provided with a through hole. The reset insertion rod includes a vertical rod part and a horizontal rod part provided at the lower end of the vertical rod part. The tray is provided with a cam groove that surrounds the outer side of the tray for one week. The cam groove includes at least one peak part and at least one concave part. A limit part is provided at the top of the vertical rod part. A compression spring is provided between the limit part and the support convex plate. The head of the horizontal rod part is inserted into the cam groove.

[0013] Further, it also includes a leveling measurement mechanism. The leveling measurement mechanism includes a measurement mechanism and a leveling mechanism.

[0014] Furthermore, the measuring mechanism includes scale lines on the vertical rod portion arranged on the reset rod, the horizontal rod portions all correspond to recesses inserted in the cam groove, and the heights of the multiple recesses are the same. The leveling mechanism includes a leveling screw, a threaded hole is provided on the fixed stop, the leveling screw is provided in the threaded hole, and a ball is provided at the lower end of the leveling screw, and the ball is in rolling contact with the upper end of the tray.

[0015] The beneficial effects of the present invention are:

[0016] The present invention provides a small tooth anti-falling device, which, on the one hand, can realize early detection of the tendency of the small tooth driven by the positioning vehicle to fall, has the characteristics of high sensitivity in all weather conditions, and greatly reduces the cost of manual detection. Since it has the characteristics of initial detection, it can avoid the situation where most small teeth fall off, and minimize the loss of equipment. On the other hand, it can realize a kind of take-over protection in the case where the small tooth driven by the positioning vehicle suddenly falls off, and prevent the small tooth driven by the positioning vehicle from falling on other structures of the positioning vehicle and causing secondary damage, and minimize the loss of equipment. By setting a reset structure, the automatic reset of the pallet and the buffering and shock absorption of the driving small tooth can be realized, and the leveling of the pallet and the base can be realized by setting a measuring structure and a leveling structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is the front view and top view of the ear plate of the present invention;

[0019] Figure 3 It is the front view, left view and top view of the support beam of the present invention;

[0020] Figure 4 It is the front view, left view and top view of the tray of the present invention;

[0021] Figure 5 The bearing of the present invention is shown in the front view, left view and top view;

[0022] Figure 6 It is the front view, left view and top view of the base of the present invention;

[0023] Figure 7 It is the front view, left view and top view of the card board of the present invention;

[0024] Figure 8 1. The front view, left view and top view of the pigment ball of the present invention;

[0025] Figure 9 This is the front view, left view, and top view of the distance detection limit switch of the present invention;

[0026] Figure 10are the front view, left view, and top view of the reset shock-absorbing structure of the present invention;

[0027] Figure 11 are the front view, left view, and top view of the leveling measurement mechanism of the present invention.

[0028] The markings in the figure are as follows: ear plate 1, bracket 2, tray 3, bearing 4, base 5, clamping plate 6, pigment small ball 7, distance detection limit switch 8. Detailed implementation manner

[0029] As Figure 1 shown, it represents an anti-falling device for the driving small gear of a positioning vehicle, including an ear plate 1, a bracket 2, a tray 3, a bearing 4, a base 5, a clamping plate 6, a pigment small ball 7, and a distance detection limit switch 8. The ear plate 1 is composed of two right-angled fixed plates, and through holes are provided on both fixed plates. The bracket 2 includes a vertical plate and a horizontal plate. The horizontal plate is fixed at the lower end of the vertical plate, a through hole is provided at the upper end of the vertical plate, and a through hole is provided on the horizontal plate. The ear plate 1 and the upper end of the bracket 2 are connected together by bolts. The outer side of the base 5 is disc-shaped, and several through holes are provided on the outer side of the base 5. The horizontal plate of the bracket 2 and the base 5 are connected together by bolts. The upper end surface of the base 5 and the lower end surface of the tray 3 are connected by a bearing 4. The clamping plate 6 is right-angled, and the clamping plate 6 is divided into a first clamping plate and a second clamping plate according to different fixed positions. At least one first clamping plate 6 is connected to the lower end of the tray 3 by bolts, and at least one second clamping plate 6 is connected to the upper end of the base 5 by bolts. The pigment small ball 7 is arranged or fixed on the base 5. A through hole is provided at the center of the tray 3. The distance detection limit switch 8 is installed in the threaded hole at the center of the base 5 and passes through the through hole of the tray 3. In the assembly order from top to bottom, they are the ear plate 1, the bracket 2, the tray 3, the clamping plate 6, the bearing 4, the pigment small ball 7, the base 5, and the distance detection limit switch 8. The number of the ear plates 1 is three or more, the number of the brackets 2 is three or more, the number of the trays 3 is one, the number of the bearings 4 is one, the number of the bases 5 is one, the number of the pigment small balls 7 is two or more, and the number of the distance detection limit switches 8 is one.

[0030] As Figure 2 shown, the ear plate 1 is bent from a 10-mm-thick steel plate, and the widths of the two bent sides are equal. Two symmetric through holes are opened on both sides, and the through holes are preferably strip-shaped holes, which can achieve rough leveling.

[0031] As Figure 3 shown, the bracket 2 connects the ear plate 1 and the base 5. The bracket is processed from a 10-mm steel plate, connects the ear plate 1 at the top and the base 5 at the bottom. The protruding part on the right side in the middle position is a fixed stop 17, which restricts the tray 3 from disengaging from above and has a gap with the tray 3 under normal conditions.

[0032] Figure 4As shown in the figure, the tray 3 is welded with a circular slideway surrounded by two circular baffles under the concentric circle at a certain distance from the center. The inner circular baffle is used to install the bearing 4. The inside of the slideway is connected to several card plates 6 and accommodates pigment balls 7. There are fine slits and threaded holes on the inside of the slideway, which are used to install the card plates 6 and to discharge the pigment.

[0033] Figure 5 As shown in the figure, the bearing 4 is a thrust ball bearing, the two ends of which are connected to the tray 3 and the base 5 respectively, and can withstand a large axial load.

[0034] Figure 6 The figure shows a base 5, a circular disc with a threaded hole in the center. Two circular baffles 2 are welded concentrically to the base 5, forming a circular slideway 2. The inner baffle 2 is mounted with a bearing. Inside the slideway 2, a retaining plate 6 and a small pigment pellet 7 are placed. Symmetrical slits and threaded holes are cut into the inner side of the slideway to accommodate the retaining plate and conduct the liquid pigment. The threaded hole in the center of the base 5 is used to mount a distance detection limit switch 8.

[0035] Figure 7 As shown in the figure, the clamping plate 6 is made of 3mm thick steel plate, with two equal lengths. One side of the first clamping plate 6 is screwed onto the bottom side of the tray 3, with the other side extending freely toward the base 5. The second clamping plate 6 is screwed onto the top side of the base 5, with the other side extending freely toward the tray 3. A certain gap is left between the upper and lower clamping plates to prevent interference during rotation.

[0036] Figure 8 As shown in the figure, the paint balls 7 are made of plastic balls and filled with liquid paint. The paint balls are placed in the slides of the tray 3 and the base 5. When the tray 3 and the base 5 slide relative to each other, the first card plate on the tray 3 and the second card plate on the base 5 will be misaligned and squeeze the paint balls. The liquid paint will flow out through the gap in the base 5, reminding the inspection personnel to check the equipment.

[0037] Figure 9 As shown in FIG, the distance detection limit switch 8 is an electrical detection device installed in the center of the base 5 for detecting the position of the driving pinion.

[0038] like Figure 10As shown, in order to facilitate the reset and shock absorption of the tray 3 in the positioning vehicle driving small tooth anti-fall device, the present invention is also provided with a reset and shock absorption structure, which includes a reset plug rod 11 and a compression spring 12. The lower left part of the bracket 2 is also provided with a horizontal support convex plate 15, and the support convex plate 15 is provided with a through hole. The reset plug rod 11 includes a vertical rod portion and a horizontal rod portion provided at the lower end of the vertical rod portion. The tray 3 is provided with a cam groove 14 that surrounds the outer side of the tray 3. The cam groove 14 includes at least one peak portion and at least one recessed portion. The height of all peaks or recessed portions is the same. The vertical rod portion A limiting portion is provided at the top, and a compression spring 12 is provided between the limiting portion and the supporting convex plate 15. The head of the horizontal rod is inserted into the cam groove 14. The specific working process is: through the action of the compression spring 12, the reset rod 11 always maintains a downward movement trend, so that the force of the horizontal rod acts on the cam groove 14, so that the reset rod 11 is maintained in the concave part of the cam groove 14, avoiding any shaking during the installation process of the tray 3 and can provide shock absorption and buffering when the driving small tooth falls. The opposite process is for the compression spring to be in a stretched state and inserted into the convex part for reset buffering.

[0039] like Figure 11As shown, further, in order to ensure that the tray 3 and the base 5 remain nearly horizontal and avoid excessive slopes, thereby ensuring the detection accuracy of the distance detection limit switch 8, generally, a spirit level and other structures are provided, and leveling feet are provided for horizontal adjustment. The horizontal state is measured according to the bubble of the spirit level and other structures. However, in this application, high-precision use is not required, so there is no need to set up complex structures such as precise spirit levels. In order to avoid adding extra structures, based on the above-mentioned existing positioning vehicle drive small tooth anti-falling device, the present invention further includes a leveling measurement mechanism. The leveling measurement mechanism includes a measurement mechanism and a leveling mechanism. The measurement mechanism includes a scale line provided on the vertical rod portion of the reset plug 11. Initially, the horizontal rod portions are respectively inserted into the peak portions in the cam groove 14, and the heights of multiple peak portions are the same. Due to factors such as the clearance of the assembly structure, the center of gravity of the tray 3 is not located at the theoretical geometric center position, resulting in uneven stress on the reset plug 11, and thus there are differences in the scale lines of the reset plug 11. By comparing the scales of multiple vertical rod portions exposed from the support convex plate 15 and controlling the repeated adjustment of the strip holes on the ear plate 1 according to design experience for rough adjustment, and then controlling the leveling mechanism for fine leveling. The leveling mechanism includes a leveling screw 16. The leveling screw 16 is provided with a scale line along the height direction. A threaded hole is provided on the fixed stop 17, and the leveling screw is arranged in the threaded hole. A ball is provided at the lower end of the leveling screw 16, and the ball is in rolling contact with the upper end of the tray 3. The leveling of the tray 3 and the base 5 is achieved by adjusting the leveling screw 16. After leveling, according to the leveled state, the bracket 2 and the base 5 are fixed by threads, or the strip holes on the ear plate 1 and the leveling screw 16 can be directly used through the horizontal plate to adjust to a nearly horizontal state.

[0040] When the present invention is in use, two links are required, one is the assembly link, and the other is the debugging link.

[0041] The assembly link is divided into six steps: 1. Connect the ear plate 1 and the bracket 2 with bolts, a total of three groups. 2. Install the bottom of the bearing 4 inside the slideway of the base ⑤, and connect the clamping plates 6 to the tray 3 and the base 5 with bolts respectively. 3. Place the pigment balls 7 inside the slideway of the base 5, and multiple pigment balls 7 are respectively placed on both sides of the slideway separated by the clamping plates 6. 4. Install the tray 3 on the upper part of the bearing 4. 5. Connect the bottom of the bracket 2 with the through hole of the base 5, as Figure 1 shown. 6. Fix the assembled device to the main body steel structure through the ear plate 1. Thus, the assembly link is completed; and the reset structure and the leveling measurement mechanism are further designed on the basis of the above-mentioned embodiments.

[0042] The debugging process is divided into the following steps: 1. Rotate the distance detection limit switch 8 into the threaded hole in the center of the base 5 and stop it at a position 10mm away from the bottom of the drive pinion. Then, power on the distance detection limit switch 8. At this time, the indicator light is off. Gradually rotate the distance detection limit switch 8 to bring it closer to the drive pinion. When the indicator light comes on, rotate the distance detection limit switch 8 two turns to move it away from the drive pinion. Lock the distance detection limit switch 8. At this point, the debugging process is complete.

Claims

1. A positioning vehicle drive pinion anti-falling device, characterized in that: It includes multiple ear plates, multiple brackets, a tray, bearings, a base, a clamping plate, pigment balls, and distance detection limit switches. The ear plates are composed of two right-angled fixed plates, and through holes are provided on both fixed plates. The bracket includes a vertical plate and a horizontal plate. The horizontal plate is fixed to the lower end of the vertical plate. Through holes are provided at the upper end of the vertical plate and on the horizontal plate. The ear plate is connected to the upper end of the bracket. The outer side of the base is disc-shaped, and several through holes are provided on the outer side of the base. The horizontal plate of the bracket is connected to the base by bolts. The upper end face of the base is connected to the lower end face of the tray through a bearing. The clamping plate is right-angled and is divided into a first clamping plate and a second clamping plate according to different fixed positions. At least one first clamping plate is connected to the lower end of the tray, and at least one second clamping plate is connected to the upper end of the base. The pigment balls are arranged on the base. A through hole runs through the center of the tray, and a threaded hole is provided at the center of the base. The distance detection limit switch is installed in the threaded hole at the center of the base and passes through the through hole of the tray.

2. The anti-falling device for the driving pinion of the positioning vehicle according to claim 1, wherein: A fixed stop is welded on the right side in the middle of the bracket.

3. The anti-falling device for the driving pinion of the positioning vehicle according to claim 1, characterized in that: Two circular baffles are welded under the tray to form an annular slideway, and a slit and a threaded hole are provided on the inner side of the slideway.

4. The anti-falling device for the driving pinion of the positioning vehicle according to claim 1, wherein: The bearing is a thrust ball bearing.

5. The anti-falling device for the driving pinion of the positioning vehicle according to claim 1, characterized in that: Two circular baffles II are fixed to the upper end of the base to form an annular slideway II. The inner side of the slideway II is connected to the second clamping plate and houses the pigment balls.

6. The anti-falling device for the driving pinion of the positioning vehicle according to claim 1, characterized in that: There is liquid pigment inside the pigment balls. When the tray drives the clamping plate to rotate, it can squeeze the pigment balls to break, and the liquid pigment flows out of the pigment balls to give a warning.

7. The anti-falling device for the driving pinion of the positioning vehicle according to claim 1, characterized in that: The distance detection limit can adjust the distance between the rotating distance detection limit switch and the small gear.

8. The anti-falling device for the driving pinion of the positioning vehicle according to claim 1, characterized in that: It further includes a reset structure. The reset structure includes a reset insertion rod and a compression spring. A horizontal support convex plate 15 is further provided at the lower left part of the bracket. The support convex plate is provided with a through hole. The reset insertion rod includes a vertical rod portion and a horizontal rod portion provided at the lower end of the vertical rod portion. The tray is provided with a cam groove that surrounds the outer side of the tray for one week. The cam groove includes at least one peak portion and at least one concave portion. A limit portion is provided at the top of the vertical rod portion, and a compression spring is provided between the limit portion and the support convex plate. The head of the horizontal rod portion is inserted into the cam groove.

9. The anti-falling device for the driving pinion of the positioning vehicle according to claim 1, characterized in that: It further includes a leveling measurement mechanism. The leveling measurement mechanism includes a measurement mechanism and a leveling mechanism.

10. The anti-falling device for the driving pinion of the positioning vehicle according to claim 1, characterized in that: The measurement mechanism includes scale lines provided on the vertical rod portion of the reset insertion rod. During measurement, the horizontal rod portions are respectively inserted into the peak portions in the cam groove. The heights of multiple peak portions are the same. The leveling mechanism includes a leveling screw. A threaded hole is provided on the fixed stop, and the leveling screw is provided in the threaded hole. A ball is provided at the lower end of the leveling screw, and the ball makes rolling contact with the upper end of the tray.

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