Mining truck driving dynamic load monitoring device

By installing pressure sensors and positioning structures on the oil and gas suspension cylinders of mining vehicles, real-time monitoring of driving dynamic load is achieved, solving the problems of reduced reliability and low maintenance efficiency caused by mining vehicles due to dynamic loads, and improving the equipment operational status detection and maintenance efficiency.

CN222188631UActive Publication Date: 2024-12-17DATONG KEDA COAL MASCH CO LTD
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Patent Information

Application Number
CN202421041229.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2024-12-17
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

When mining vehicles operate under off-highway conditions, huge dynamic loads caused by factors such as suspension shock absorption systems, road flatness, load capacity and tire pressure lead to increased vibration of electrical components, reduced working reliability and short operating life. Traditional Manual maintenance is difficult to meet modern production requirements and real-time status monitoring is required.

Method used

Design a driving load monitoring device for mining vehicles. By installing pressure sensors on oil and gas suspension cylinders, and using a combined structure of positioning blocks, grooves, tenons and joints and fastening bolts, the cylinder head and suspension cylinder block are quickly removed. Installation and installation of pressure sensors to collect dynamic load data in real time.

Benefits of technology

Real-time monitoring of dynamic loads during driving of mining vehicles is realized, and maintenance personnel are reminded to check relevant factors, ensure that the equipment operates in a suitable state, improve the maintenance efficiency of oil and gas suspension cylinders, and ensure the accuracy of dynamic load detection and the normal use of the equipment.

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    Figure CN222188631U_ABST
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Abstract

The utility model discloses a mining truck driving dynamic load monitoring device which comprises a hydro-pneumatic suspension cylinder body and a cylinder cover, the cylinder cover is installed at the top end of the hydro-pneumatic suspension cylinder body through a fastening assembly, the bottom of the cylinder cover protrudes downwards to form four positioning blocks, and the four positioning blocks are distributed in an annular array mode. According to the hydraulic suspension cylinder, the pressure sensor is additionally arranged on the hydraulic suspension cylinder, so that the dynamic load of a mining truck can be detected when the mining truck loads cargos, and the dynamic load of the mining truck can also be detected when the mining truck loads the cargos. And the dynamic load of the mining truck during running can be detected, so that the running condition of the mining truck can be monitored in real time, people are reminded to check related factors, and the mining truck is ensured to run in a proper state.
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Description

Technical Field

[0001] The utility model belongs to a mining truck driving dynamic load monitoring device, in particular to a mining truck driving dynamic load monitoring device. Background Art

[0002] Mining trucks are transport vehicles that operate under off-road conditions, especially large-load mining trucks that work under heavy loads on harsh roads. Factors such as their suspension and shock absorption system, road surface flatness, average load, and tire inflation pressure cause huge impact dynamic loads on the mining truck's structural parts, and the working reliability of electrical components decreases due to the intensified vibration. In general, the maximum dynamic load can reach an average of more than 3 times the static load, so the short service life of mining trucks is largely related to this.

[0003] With the improvement of the level of modern industrial production, mining dump trucks are also changing. At present, large-scale, high-performance and heavy-load continuous operation have become the norm. The degree of automation to meet new requirements is getting higher and higher, and the structure is becoming more and more complex. The requirements of mine management and operators for the safe, stable, long-term and full-load operation of these key equipment have become more and more urgent. It is necessary to avoid cumulative failures that lead to downtime and will bring huge economic losses to the entire production system. In the past, maintenance was only done by traditional manual regular shutdown maintenance and visual inspection. It can no longer meet modern production requirements. Therefore, it is of great significance to develop a status monitoring system for the operation of mining vehicles. Based on the above problems, the utility model provides a mining vehicle driving dynamic load monitoring device, which can realize dynamic load monitoring when the mining vehicle is driving. Utility Model Content

[0004] The purpose of the utility model is to provide a mining truck driving dynamic load monitoring device to solve the problems raised in the above-mentioned background technology, to realize the dynamic load monitoring of the mining truck when driving, and to achieve the purpose of real-time monitoring of the operating conditions of the mining truck.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mining vehicle driving dynamic load monitoring device, comprising an oil-gas suspension cylinder body and a cylinder head, the cylinder head is installed on the top of the oil-gas suspension cylinder body through a fastening assembly, and the bottom of the cylinder head protrudes downward to form four positioning blocks, the four positioning blocks are distributed in a ring array, and the four positioning blocks are each provided with mortise and tenon grooves, the top of the oil-gas suspension cylinder body is provided with positioning grooves corresponding to the four positioning blocks one by one, and the four positioning grooves are each provided with mortise and tenon blocks matching the mortise grooves, one or two mounting structures are provided on the cylinder head, and a pressure sensor and an inflation valve are fixedly installed through the mounting structure, and the pressure sensor is used to continuously collect the dynamic load pressure value of the oil-gas suspension cylinder.

[0006] Preferably, when there are two mounting structures, the two mounting structures are two mounting holes, and the two mounting holes are symmetrically opened on both sides of the top of the cylinder cover, and the pressure sensor and the inflation valve are respectively embedded and fixed in the two mounting holes.

[0007] Preferably, when there is only one mounting structure, the mounting structure is an auxiliary valve block embedded and fixed on the cylinder head, the pressure sensor and the inflation valve are both fixed on the auxiliary valve block, and are connected to the oil-gas suspension cylinder body through the auxiliary valve block.

[0008] Preferably, the fastening assembly includes a fastening bolt, a first screw hole and a second screw hole, wherein the first screw holes are provided with four in total, and the four first screw holes are opened in a circular array inside the cylinder head, the four first screw holes are spaced apart from the four positioning blocks, the number of the second screw holes is consistent with the number of the first screw holes, and the four second screw holes are opened in a circular array on the top of the oil-gas suspension cylinder body, the four second screw holes correspond one-to-one to the four first screw holes, and the four second screw holes are spaced apart from the four positioning grooves, and the fastening bolts are provided with four in total, and the four fastening bolts are respectively screwed in the four first screw holes and extend to the inside of the four second screw holes respectively.

[0009] Preferably, a connecting column is installed at the top of the cylinder cover, and the top of the connecting column is arc-shaped, and a circular through hole is opened inside the connecting column.

[0010] Preferably, a boss is extended downward in the middle of the bottom of the cylinder cover, and the boss is inserted into the interior of the oil-gas suspension cylinder body, a sealing ring is embedded in the outer wall of the boss, and the boss is located in the middle of the four first screw holes and the positioning block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model adds a pressure sensor to the oil-gas suspension cylinder, which can not only detect the dynamic load of the mining truck when loading cargo, but also detect the dynamic load of the mining truck when driving, thereby realizing real-time monitoring of the operating conditions of the mining truck, so as to remind people to check relevant factors and ensure that the mining truck is running in a suitable state.

[0013] (2) With respect to the above-mentioned pressure sensor, the utility model adopts two different installation structures, which can be selected according to actual needs to realize the installation of the pressure sensor, thereby effectively increasing the practicality of the oil-gas suspension cylinder, facilitating the use of the oil-gas suspension cylinder, and being beneficial to the accurate detection of the dynamic load of the mining truck.

[0014] (3) The utility model can realize the rapid disassembly and assembly of the cylinder head and the oil-gas suspension cylinder body through the arrangement of the positioning block, the positioning groove, the mortise and tenon block and the mortise and tenon groove, thereby realizing the rapid maintenance of the oil-gas suspension cylinder, effectively improving the maintenance efficiency of the oil-gas suspension cylinder, facilitating the normal use of the oil-gas suspension cylinder, and ensuring the detection of the dynamic load of the mining truck. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a first embodiment of a mining vehicle driving dynamic load monitoring device provided by the utility model;

[0016] Figure 2 It is a top view of the cylinder body of the oil-gas suspension cylinder of the utility model;

[0017] Figure 3 This is a bottom view of the cylinder head of the utility model;

[0018] Figure 4 for Figure 2 A in the enlarged view;

[0019] Figure 5 for Figure 3 The enlarged view of point B in the figure;

[0020] Figure 6 This is a structural schematic diagram of a second embodiment of a mining vehicle driving dynamic load monitoring device provided by the utility model;

[0021] In the figure: 1-oil-gas suspension cylinder body; 2-mounting hole; 3-fastening bolt; 4-pressure sensor; 5-through hole; 6-connecting column; 7-inflating valve; 8-first screw hole; 9-sealing ring; 10-second screw hole; 11-cylinder head; 12-positioning groove; 13-mortise and tenon block; 14-positioning block; 15-mortise and tenon groove; 16-auxiliary valve block; 17-boss. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides the following technical solutions:

[0024] Embodiment 1:

[0025] See also Figure 1-Figure 5As shown, a mining vehicle driving dynamic load monitoring device includes an oil-gas suspension cylinder body 1 and a cylinder head 11. The cylinder head 11 is installed on the top of the oil-gas suspension cylinder body 1 through a fastening assembly, and the bottom of the cylinder head 11 protrudes downward to form four positioning blocks 14, the four positioning blocks 14 are distributed in a ring array, and the four positioning blocks 14 are provided with tenon grooves 15 inside. The top of the oil-gas suspension cylinder body 1 is provided with positioning grooves 12 corresponding to the four positioning blocks 14 one by one, and the four positioning grooves 12 are provided with tenon blocks 13 matching the tenon grooves 15 inside. One or two mounting structures are provided on the cylinder head 11, and a pressure sensor 4 and an inflation valve 7 are fixedly installed through the mounting structure. The pressure sensor 4 is used to continuously collect the dynamic load pressure value of the oil-gas suspension cylinder. The fastening assembly includes a fastening bolt 3, a first screw hole 8 and a second screw hole 10, wherein there are four first screw holes 8 in total, and the four first screw holes 8 are arranged in a ring array. Inside the cylinder head 11, the four first screw holes 8 are spaced apart from the four positioning blocks 14, the number of the second screw holes 10 is consistent with the number of the first screw holes 8, and the four second screw holes 10 are formed in a circular array and opened at the top of the oil-gas suspension cylinder body 1, the four second screw holes 10 correspond to the four first screw holes 8 one by one, and the four second screw holes 10 are spaced apart from the four positioning grooves 12, there are four fastening bolts 3 in total, and the four fastening bolts 3 are respectively screwed into the four first screw holes 8 and extend to the inside of the four second screw holes 10 respectively, a connecting column 6 is installed at the top of the cylinder head 11, and the top of the connecting column 6 is arc-shaped, and a circular through hole 5 is opened inside the connecting column 6, a boss 17 is formed by extending downward in the middle of the bottom of the cylinder head 11, and the boss 17 is inserted into the inside of the oil-gas suspension cylinder body 1, a sealing ring 9 is embedded in the outer wall of the boss 17, and the boss 17 is located in the middle of the four first screw holes 8 and the positioning block 14.

[0026] Specifically, when in use, the user installs the oil-gas suspension cylinder on the front and rear sides of the mining truck through the connecting column 6 and the through hole 5 respectively. When the mining truck is loaded and driving, the pressure sensor 4 collects the pressure value inside the oil-gas suspension cylinder body 1 and transmits it to the vehicle monitoring system through the wire. At the same time, the gas action area inside the oil-gas suspension cylinder body 1 is converted into a gravity value and transmitted to the vehicle monitoring system. Then the vehicle monitoring system sums the pressure value collected by the pressure sensor 4 and the gravity value converted from the oil-gas suspension cylinder body 1 to obtain the dynamic load value of the mining truck, thereby realizing real-time detection of the dynamic load of the mining truck.

[0027] In addition, when the oil-gas suspension cylinder is damaged, the user can unscrew the fastening bolt 3 from the first screw hole 8 and the second screw hole 10, and pull the cylinder cover 11. At this time, the positioning block 14 is pulled out of the positioning groove 12, and the tenon block 13 and the tenon groove 15 are separated, so as to separate the cylinder cover 11 from the oil-gas suspension cylinder body 1 and disassemble the oil-gas suspension cylinder. Then the user repairs it. After the maintenance is completed, the user covers the cylinder cover 11 on the top of the oil-gas suspension cylinder body 1. At this time, the positioning block 14 is inserted into the positioning groove 12, so as to realize the cylinder cover 11. and the oil-gas suspension cylinder body 1 are positioned, and the mortise block 13 is inserted into the mortise groove 15 at the same time, so as to realize the mortise fixation of the cylinder head 11 and the oil-gas suspension cylinder body 1, and then the user screws the fastening bolts 3 into the first screw hole 8 and the second screw hole 10 to fasten the cylinder head 11 and the oil-gas suspension cylinder body 1, so as to realize the rapid disassembly and assembly of the cylinder head 11 and the oil-gas suspension cylinder body 1, thereby realizing the rapid maintenance of the oil-gas suspension cylinder, effectively improving the maintenance efficiency of the oil-gas suspension cylinder, facilitating the normal use of the oil-gas suspension cylinder, and ensuring the detection of the dynamic load of the mining truck.

[0028] In this embodiment, preferably, there are two mounting structures, the two mounting structures are two mounting holes 2, and the two mounting holes 2 are symmetrically opened on both sides of the top of the cylinder head 11, and the pressure sensor 4 and the inflation valve 7 are respectively embedded and fixed in the two mounting holes 2.

[0029] Specifically, when monitoring the dynamic load of a mining truck during driving, the user first drills two mounting holes 2 on the cylinder head 11, and then respectively installs the pressure sensor 4 and the inflation valve 7 in the two mounting holes 2, thereby realizing the installation of the pressure sensor 4 and the inflation valve 7 to facilitate the use of the oil-gas suspension cylinder.

[0030] Embodiment 2:

[0031] See also Figure 6 As shown, in this embodiment, the mounting structure is one, and the mounting structure is an auxiliary valve block 16 embedded and fixed on the cylinder head 11. The pressure sensor 4 and the charging valve 7 are both fixed on the auxiliary valve block 16 and are connected to the oil-gas suspension cylinder body 1 through the auxiliary valve block 16.

[0032] Specifically, based on the structure and principle of Example 1, this embodiment adopts an auxiliary valve block 16. When monitoring the dynamic load of a mining truck, the user can install the inflation valve 7 on the top of the auxiliary valve block 16, and then install the pressure sensor 4 on one side of the auxiliary valve block 16. This realizes the installation of the pressure sensor 4 and the inflation valve 7 without the need for additional processing of the cylinder head 11, so as to facilitate the use of the oil-gas suspension cylinder. At the same time, it can ensure the sealing of the oil-gas suspension cylinder, which is beneficial to the accurate detection of the dynamic load of the mining truck.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mining truck driving dynamic load monitoring device, characterized in that: The invention comprises a cylinder body (1) of an oil-gas suspension cylinder and a cylinder head (11), wherein the cylinder head (11) is mounted on the top of the cylinder body (1) of the oil-gas suspension cylinder through a fastening assembly, and the bottom of the cylinder head (11) is protruded downward to form four positioning blocks (14), the four positioning blocks (14) are distributed in a ring array, and the four positioning blocks (14) are provided with mortise grooves (15) inside, the top of the cylinder body (1) of the oil-gas suspension cylinder is provided with positioning grooves (12) corresponding to the four positioning blocks (14) one by one, and the four positioning grooves (12) are provided with mortise blocks (13) matching the mortise grooves (15) inside, the cylinder head (11) is provided with one or two mounting structures, and a pressure sensor (4) and an inflation valve (7) are fixedly mounted through the mounting structure, and the pressure sensor (4) is used to continuously collect the dynamic load pressure value of the oil-gas suspension cylinder.

2. A mining truck driving dynamic load monitoring device according to claim 1, characterized in that: When there are two mounting structures, the two mounting structures are two mounting holes (2), and the two mounting holes (2) are symmetrically opened on both sides of the top of the cylinder cover (11), and the pressure sensor (4) and the inflation valve (7) are respectively embedded and fixed in the two mounting holes (2).

3. A mining truck driving dynamic load monitoring device according to claim 1, characterized in that: When the mounting structure is one, the mounting structure is an auxiliary valve block (16) embedded and fixed on the cylinder head (11); the pressure sensor (4) and the inflation valve (7) are both fixed on the auxiliary valve block (16) and are connected to the oil-gas suspension cylinder body (1) through the auxiliary valve block (16).

4. A mining truck driving dynamic load monitoring device according to claim 1, characterized in that: The fastening assembly comprises a fastening bolt (3), a first screw hole (8) and a second screw hole (10), wherein the first screw holes (8) are provided with four in total, and the four first screw holes (8) are arranged in a circular array inside the cylinder head (11), the four first screw holes (8) are spaced apart from the four positioning blocks (14), the number of the second screw holes (10) is consistent with the number of the first screw holes (8), and the four second screw holes (10) are arranged in a circular array on the top of the oil-gas suspension cylinder body (1), the four second screw holes (10) correspond one-to-one to the four first screw holes (8), and the four second screw holes (10) are spaced apart from the four positioning grooves (12), the fastening bolts (3) are provided with four in total, and the four fastening bolts (3) are respectively screwed into the four first screw holes (8) and extend to the inside of the four second screw holes (10) respectively.

5. The mining vehicle driving dynamic load monitoring device according to claim 1 is characterized in that: A connecting column (6) is installed at the top end of the cylinder cover (11), and the top end of the connecting column (6) is in an arc shape. A circular through hole (5) is provided inside the connecting column (6).

6. A mining vehicle driving dynamic load monitoring device according to claim 4, characterized in that: A boss (17) is formed in the middle of the bottom of the cylinder cover (11) and extends downward, and the boss (17) is inserted into the interior of the oil-gas suspension cylinder body (1), a sealing ring (9) is embedded in the outer wall of the boss (17), and the boss (17) is located in the middle of the four first screw holes (8) and the positioning block (14).