阅读说明：本技术 一种用于矿山勘测设备的防失效接头 (A prevent joint that became invalid for mine survey equipment ) 是由 毛目华 邵晓伟 郝跃岭 刘江波 陆思震 于 2021-09-14 设计创作，主要内容包括：本发明提出了一种用于矿山勘测设备的防失效接头,包括固定端、插接端,所述固定端包括筒状的壳体,所述壳体内设有导电柱,所述插接端包括与导电柱滑动套接的导电套,所述导电套外壁与壳体内壁密封配合、内壁与导电柱密封配合,所述壳体设有用于排出导电柱与壳体之间空气的单向阀,所述导电套与壳体之间设有使导电套朝远离壳体方向运动的第一弹性件,用以解决接头氧化失效的技术问题。(The invention provides an anti-failure joint for mine surveying equipment, which comprises a fixed end and an insertion end, wherein the fixed end comprises a cylindrical shell, a conductive post is arranged in the shell, the insertion end comprises a conductive sleeve which is in sliding sleeve joint with the conductive post, the outer wall of the conductive sleeve is in sealing fit with the inner wall of the shell, the inner wall of the conductive sleeve is in sealing fit with the conductive post, the shell is provided with a one-way valve for discharging air between the conductive post and the shell, and a first elastic piece which enables the conductive sleeve to move in the direction away from the shell is arranged between the conductive sleeve and the shell so as to solve the technical problem of oxidation failure of the joint.)

1. The utility model provides a prevent losing effect and connect for mine surveying equipment, includes stiff end, the end of pegging graft, its characterized in that, the stiff end includes the casing of tube-shape, be equipped with in the casing and lead electrical pillar, the end of pegging graft includes and leads the electrical sheath that electrical sheath slides and cup joints, the sealed cooperation of electrical sheath outer wall and shells inner wall, inner wall and leading electrical sheath sealed cooperation, the casing is equipped with the check valve that is used for the discharge to lead the air between electrical pillar and the casing, be equipped with the first elastic component that makes the electrical sheath move towards keeping away from the casing direction between electrical sheath and the casing.

2. The joint of claim 1, wherein the conductive post is provided with a damping chamber filled with damping fluid, the damping chamber is slidably provided with a sliding box, a movable piece is arranged in the sliding box, the sliding box is fixedly connected with a pressing barrel, the upper end of the pressing barrel is fixedly connected with the conductive sleeve in a detachable manner, a pressing rod for pressing the movable piece is slidably arranged in the pressing barrel, the sliding box is provided with a second elastic piece for enabling the movable piece to approach the pressing rod, the sliding box is provided with a first circulation port and a second circulation port for circulating the damping fluid, the first circulation port is located above the movable piece, the second circulation port is located below the movable piece, and the movable piece is provided with a damping hole.

3. The joint of claim 2, wherein the diameter of the pressure bar is greater than the diameter of the orifice so that the movable plate can be disengaged from the first vent when the pressure bar is depressed.

4. The joint of claim 3, wherein the conductive post is provided with a pilot hole in communication with the damping chamber, the pressing cylinder being inserted into the pilot hole.

5. The joint of claim 4, wherein the movable plate is provided with a positioning post for preventing the second elastic member from being separated.

6. The failure-proof joint for mine surveying equipment as claimed in claim 5, wherein the upper end of the pressing rod is higher than the upper end of the pressing cylinder so that the upper end of the pressing rod is pressed down first.

7. The failure-prevention joint for mine surveying equipment as recited in claim 6, wherein the check valve comprises a valve chamber provided with a valve element for blocking the valve port, the valve chamber being provided with a third elastic member for moving the valve element toward the valve port, the valve chamber being in communication with the outside atmosphere.

8. The joint of claim 7, wherein the upper end of the pressure rod is provided with a pressing plate for facilitating pressing.

9. The joint of claim 8, wherein the pressure tube is removably and fixedly connected to the conductive sleeve by a connecting rod.

10. The failure-prevention joint for mine surveying equipment as recited in claim 9, wherein the first, second and third resilient members are helical compression springs.

Technical Field

The invention relates to an anti-failure joint for mine surveying equipment.

Background

The service environment of the mine surveying equipment is generally severe, and the operation stability of the mine surveying equipment is ensured, and the electric connection joint of the mine surveying equipment is often disabled due to severe working conditions, which is generally shown in that the electric connection joint is oxidized and rusted after long-time use to cause poor contact, so that the mine surveying equipment cannot work normally.

Disclosure of Invention

The invention provides an anti-failure joint for mine exploration equipment, which aims to solve the technical problem of oxidative failure of the joint.

The technical scheme of the invention is realized as follows: the utility model provides a prevent losing effect and connect for mine surveying equipment, includes stiff end, the end of pegging graft, the stiff end includes the casing of tube-shape, be equipped with in the casing and lead electrical pillar, the end of pegging graft includes the conductive sleeve that slides and cup joint with leading electrical pillar, the sealed cooperation of conductive sleeve outer wall and shells inner wall, inner wall and the sealed cooperation of leading electrical pillar, the casing is equipped with the check valve that is used for the discharge to lead the air between electrical pillar and the casing, be equipped with the first elastic component that makes conductive sleeve move towards keeping away from the casing direction between conductive sleeve and the casing.

Further, it has the damping chamber of damping fluid to lead electrical pillar to be equipped with the packing, the damping chamber slides and is equipped with the slip box, be equipped with the movable plate in the slip box, a slip box fixedly connected with pressure section of thick bamboo, press the removable fixed connection of a section of thick bamboo upper end and conductive sleeve, it is equipped with the depression bar that is used for pushing down the movable plate to slide in the pressure section of thick bamboo, the slip box is equipped with the second elastic component that makes the movable plate be close to towards the depression bar direction, the slip box is equipped with first circulation mouth, the second circulation mouth that is used for circulating damping fluid, first circulation mouth is located the top of movable plate, the second circulation mouth is located the below of movable plate, the movable plate is equipped with the damping hole.

Furthermore, the diameter of the pressure rod is larger than that of the damping hole, so that the movable plate can be separated from the first circulation port when the pressure rod is pressed downwards.

Furthermore, the conductive column is provided with a guide hole communicated with the damping cavity, and the pressing cylinder is inserted into the guide hole.

Furthermore, the movable sheet is provided with a positioning column which is prevented from being separated from the second elastic piece.

Further, the upper end of the pressing rod is higher than the upper end of the pressing cylinder so that the upper end of the pressing rod is pressed down firstly.

Furthermore, the check valve comprises a valve cavity, the valve cavity is provided with a valve core for plugging the valve port, the valve cavity is provided with a third elastic piece for enabling the valve core to move towards the valve port, and the valve cavity is communicated with the outside atmosphere.

Furthermore, a pressing plate convenient to press is arranged at the upper end of the pressing rod.

Furthermore, the pressing cylinder is detachably and fixedly connected with the conductive sleeve through a connecting rod.

Further, the first elastic piece, the second elastic piece and the third elastic piece are all helical compression springs.

By adopting the technical scheme, the invention has the beneficial effects that: the anti-failure joint for the mine surveying equipment can discharge most of air in the shell through the one-way valve after the conductive sleeve is sleeved on the conductive column and pressed down, and the conductive column and the conductive sleeve are mutually far away from each other under the action of the first elastic part to thin the air in the shell so as to reduce the reaction severity of oxygen in the air and the conductive column.

Further, after oxygen takes place oxidation reaction with leading electrical pillar and generates the metallic oxide who adheres to at leading electrical pillar surface in the air, thereby oxygen is consumed and leads to the casing internal gas pressure to further reduce, makes electrically conductive cover, leading electrical pillar relative motion scrape with the metallic oxide who adheres to at leading electrical pillar surface under the effect of external atmospheric pressure when so, avoids contact failure between electrically conductive cover, the leading electrical pillar.

Furthermore, because oxygen is consumed, the content of nitrogen in the air in the shell is further increased, and the nitrogen serving as inert gas can prevent electric sparks from occurring between the conductive sleeve and the conductive column, so that the stability and reliability of electric connection are improved.

Furthermore, when the conductive sleeve moves towards the direction close to the shell for the first time under the action of the external atmospheric pressure, the movable sheet moves upwards under the action of the second elastic piece and finally blocks the first circulation port, at the moment, the damping liquid below the movable sheet can only circulate through the damping hole, and the aperture of the damping hole is far smaller than that of the first circulation port, so that the conductive sleeve moves towards the direction close to the shell at a slow speed, and the movement is stopped when the sum of the friction resistance and the elastic force of the first elastic piece on the conductive sleeve is equal to the difference between the external atmospheric pressure and the internal atmospheric pressure of the shell, so that the direction of the friction resistance on the conductive sleeve is the same as the thrust direction of the first elastic piece on the conductive sleeve, and the conductive sleeve and the conductive post can be pushed to move relatively through the external atmospheric pressure while the oxygen in the shell is consumed, and certain oxygen does not need to be consumed in the previous period to change the direction of the friction resistance on the conductive sleeve, the first relative motion of the conductive sleeve and the conductive post is advanced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the configuration of an anti-failure joint for mine surveying equipment according to the present invention;

FIG. 2 is a cross-sectional view of the structure of an anti-failure joint for mine surveying equipment of the present invention;

FIG. 3 is an enlarged view taken at I in FIG. 2;

FIG. 4 is an enlarged view taken at II in FIG. 2;

fig. 5 is an enlarged view at III in fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a prevent that failure joint embodiment 1 for mine surveying equipment, as shown in fig. 1-5, including the stiff end, the end of pegging graft, the stiff end includes the casing 1 of tube-shape, be equipped with in the casing and lead electrical pillar 2, the end of pegging graft includes with lead electrical pillar slip cup joint's conductive sleeve 3, conductive sleeve outer wall and shells inner wall sealing fit, inner wall and lead electrical pillar sealing fit, the casing is equipped with the check valve 4 that is used for the discharge to lead the air between electrical pillar and the casing, be equipped with between conductive sleeve and the casing and make conductive sleeve towards keeping away from the first elastic component 5 of casing direction motion.

It has the damping chamber 6 that has the packing of damping fluid to lead electrical pillar, the damping chamber slides and is equipped with slip box 7, be equipped with movable plate 8 in the slip box, slip box fixedly connected with presses a section of thick bamboo 9, press a section of thick bamboo upper end and the removable fixed connection of conductive sleeve, it is equipped with the depression bar 10 that is used for pushing down the movable plate to slide in the pressure section of thick bamboo, the slip box is equipped with the second elastic component 11 that makes the movable plate be close to towards the depression bar direction, the slip box is equipped with first circulation mouth 12, the second circulation mouth 13 that is used for circulating damping fluid, first circulation mouth is located the top of movable plate, the second circulation mouth is located the below of movable plate, the movable plate is equipped with damping hole 14, the one end of slip box is kept away from to the depression bar upper end, the one end of slip box is kept away from to the pressure section of thick bamboo upper end.

The utility model provides a prevent that failure joint embodiment 2 for mine surveying equipment, as shown in fig. 1-5, including the stiff end, the end of pegging graft, the stiff end includes the casing 1 of tube-shape, be equipped with in the casing and lead electrical pillar 2, the end of pegging graft includes with lead electrical pillar slip cup joint's conductive sleeve 3, conductive sleeve outer wall and shells inner wall sealing fit, inner wall and lead electrical pillar sealing fit, the casing is equipped with the check valve 4 that is used for the discharge to lead the air between electrical pillar and the casing, be equipped with between conductive sleeve and the casing and make conductive sleeve towards keeping away from the first elastic component 5 of casing direction motion.

It has the damping chamber 6 that has the packing of damping fluid to lead electrical pillar, the damping chamber slides and is equipped with slip box 7, be equipped with movable plate 8 in the slip box, slip box fixedly connected with presses a section of thick bamboo 9, press a section of thick bamboo upper end and the removable fixed connection of conductive sleeve, it is equipped with the depression bar 10 that is used for pushing down the movable plate to slide in the pressure section of thick bamboo, the slip box is equipped with the second elastic component 11 that makes the movable plate be close to towards the depression bar direction, the slip box is equipped with first circulation mouth 12, the second circulation mouth 13 that is used for circulating damping fluid, first circulation mouth is located the top of movable plate, the second circulation mouth is located the below of movable plate, the movable plate is equipped with damping hole 14, the one end of slip box is kept away from to the depression bar upper end, the one end of slip box is kept away from to the pressure section of thick bamboo upper end.

The diameter of the pressure rod is larger than that of the damping hole so that the movable sheet can be separated from the first circulation hole when the pressure rod is pressed down, the conductive column is provided with a guide hole 15 communicated with the damping cavity, the pressure cylinder is inserted into the guide hole, the movable sheet is provided with a positioning column 16 for preventing the movable sheet from being separated from the second elastic part, and the upper end of the pressure rod is higher than the upper end of the pressure cylinder so that the upper end of the pressure rod is pressed down firstly.

An anti-failure joint embodiment 3 for mine surveying equipment differs from the embodiment 1-2 in that a check valve comprises a valve cavity 17, the valve cavity is provided with a valve core 18 for blocking a valve port, the valve cavity is provided with a third elastic member 19 for enabling the valve core to move towards the valve port, and the valve cavity is communicated with the outside atmosphere.

In other embodiments, the upper end of the pressure lever is provided with a pressure plate 20 convenient for pressing, the pressure cylinder is detachably and fixedly connected with the conductive sleeve through a connecting rod 21, and the specific connection mode of the detachable and fixed connection can be that the conductive sleeve is drilled and a bolt is penetrated to be in threaded connection and fixed with the connecting rod; or the conductive sleeve is sleeved with a magnet, and the connecting rod is made of ferromagnetic material, so that the connecting rod is adsorbed and fixed on the conductive sleeve; the first elastic piece, the second elastic piece and the third elastic piece are all helical compression springs.

A method of preventing electrical connection failure, including any of the above described anti-failure joints for mine surveying equipment, comprising the steps of:

s1, sleeving the conductive sleeve 3 on the upper end of the conductive post 2, and fixedly connecting the pressure cylinder 9 with the conductive sleeve 3;

s2, pressing the pressing plate 20 downwards, pressing the movable sheet 8 downwards along with the pressing plate 20 downwards, pressing the pressing plate 20 and the pressing cylinder 9 to enable the pressing plate and the pressing cylinder 9 to be pressed downwards synchronously, compressing the first elastic piece 5 along with the pressing cylinder 9, and enabling the sliding box 7 to move downwards along with the pressing cylinder 9;

s3, removing the downward pressure on the pressing plate, the conductive sleeve 3 moving away from the housing 1 under the action of the first elastic element 5, and the conductive sleeve 3 passing through the position of the conductive sleeve 3 with balanced stress due to the inertia of the conductive sleeve 3, at this time, the damping fluid flowing downward through the first through hole 12 with a larger diameter;

s4, when the conductive sleeve 3 moves towards the direction close to the shell 1 under the action of the external atmospheric pressure, the movable plate 8 moves upwards under the action of the second elastic piece 11 and finally blocks the first circulation port 12, at this time, the damping liquid below the movable plate 8 can only circulate through the damping hole 14, and the aperture of the damping hole 14 is far smaller than that of the first circulation port 12, so that the conductive sleeve 3 moves towards the direction close to the shell 1 at a slow speed, and the movement is stopped when the sum of the friction resistance of the conductive sleeve and the elasticity of the first elastic piece 5 is equal to the difference between the external atmospheric pressure and the internal atmospheric pressure of the shell, so that the direction of the friction resistance of the conductive sleeve is the same as the direction of the thrust of the first elastic piece 5 to the conductive sleeve;

s5, when the conductive column 2 reacts with the residual oxygen in the conductive sleeve 3, the air in the conductive sleeve 3 becomes thinner, the conductive column 2 and the conductive sleeve 3 move relatively under the action of the external atmospheric pressure, and the relative movement of the conductive column 2 and the conductive sleeve 3 avoids the conductive column 2 and the conductive sleeve 3 from being rusted and adhered.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.