CN112627018B - Engineering steel support for hydraulic engineering construction - Google Patents
Engineering steel support for hydraulic engineering construction Download PDFInfo
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- CN112627018B CN112627018B CN202011418357.3A CN202011418357A CN112627018B CN 112627018 B CN112627018 B CN 112627018B CN 202011418357 A CN202011418357 A CN 202011418357A CN 112627018 B CN112627018 B CN 112627018B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/048—Bearings being adjustable once installed; Bearings used in incremental launching
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Abstract
The invention belongs to the technical field of bridge construction, and particularly relates to an engineering steel support for hydraulic engineering construction, which comprises a support body, a separation unit and a moving unit, wherein the separation unit is arranged on the support body; the support body comprises an upper seat plate, a ball core and a lower seat plate, a spherical groove is formed in the center of the top of the lower seat plate, a spherical sliding plate is arranged in the spherical groove, and the ball core is arranged on the upper surface of the spherical sliding plate; the spherical core and the spherical sliding plate form a revolute pair to realize the rotation of the support body; the upper surface of the ball core is provided with a circular groove, a planar sliding plate is arranged in the circular groove, the upper surface of the planar sliding plate is provided with a stainless steel sliding plate, and the upper surface of the stainless steel sliding plate is provided with an upper seat plate; the plane sliding plate and the stainless steel sliding plate form a sliding pair to realize the longitudinal and transverse movement of the support body; the invention has simple operation, time and labor saving, can effectively reduce the labor intensity of workers and improve the working efficiency.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to an engineering steel support for hydraulic engineering construction.
Background
The bridge bearing is an important structural component for connecting an upper structure and a lower structure of a bridge, is positioned between the bridge and the pad stone, can reliably transfer load and deformation (displacement and corner) borne by the upper structure of the bridge to the lower structure of the bridge, and is an important force transfer device of the bridge. In recent years, with the increase of the investment of infrastructure, the construction of highway and railway bridge engineering is rapidly developed, and the support is used as a main force transmission component in a bridge structure, so that the stability and reliability of the support directly influence the safety performance of the whole bridge. The failure of the support causes the whole bridge to collapse, so that immeasurable serious results are caused, and the bridge support is required to be repaired and replaced regularly.
In the prior art, when a bridge support is replaced, a beam body is generally jacked up by a jack mechanism to provide a moving space for the bridge support to be replaced, so that the bridge support to be replaced is pulled out, and a new bridge support is inserted; however, the support is mostly connected with the cushion stone through bolts during installation, and grouting is often needed to the inside of the embedded hole in the cushion stone for further fixing the support, so that the support and the cushion stone are difficult to separate when the support is replaced, and meanwhile, the grouting to the inside of the embedded hole is easy to pollute the lower surface of the support, thereby causing difficulty in cleaning the support; in addition, the bridge support to be replaced is mostly pulled out directly through iron hooks and/or workers in the prior art, and the labor intensity of workers is greatly increased because the engineering steel support is large in mass and the space between the bridge and the pad is small, and the manual operation is difficult.
Disclosure of Invention
In order to make up the defects of the prior art, the problem that the support is often connected with the cushion stone through bolts during installation in the prior art is solved, grouting is often needed to be performed in a pre-buried hole in the cushion stone for further fixing the support, so that the support and the cushion stone are difficult to separate when the support is replaced, and meanwhile, grouting in the pre-buried hole is easy to pollute the lower surface of the support, so that the support is difficult to clean; in addition, in the prior art, the bridge support to be replaced is mostly pulled out directly through iron hooks or by manpower, and the engineering steel support is large in mass, small in space between a bridge and a cushion stone and difficult to operate manually, so that the labor intensity of workers is greatly increased.
The technical scheme adopted by the invention for solving the technical problems is as follows: the engineering steel support for hydraulic engineering construction comprises a support body, a separation unit and a moving unit, wherein the support body is provided with a support body; the support body comprises an upper seat plate, a ball core and a lower seat plate, a spherical groove is formed in the center of the top of the lower seat plate, a spherical sliding plate is arranged in the spherical groove, and the ball core is arranged on the upper surface of the spherical sliding plate; the spherical core and the spherical sliding plate form a revolute pair to realize the rotation of the support body; the upper surface of the ball core is provided with a circular groove, a planar sliding plate is arranged in the circular groove, the upper surface of the planar sliding plate is provided with a stainless steel sliding plate, and the upper surface of the stainless steel sliding plate is provided with an upper seat plate; the plane sliding plate and the stainless steel sliding plate form a sliding pair to realize the longitudinal and transverse movement of the support body; the upper surface of the lower base plate is provided with a limiting ring, and the limiting ring is used for limiting the size of a corner of the support body; the lower seat plate is symmetrically provided with limiting strips at two sides, the upper seat plate is symmetrically provided with L-shaped check blocks at two sides, the vertical parts of the check blocks are matched with the limiting strips to limit the sliding displacement of the support body, and the horizontal parts of the check blocks are matched with the limiting strips to form hasps to realize the anti-loosening function of the support body; the whole support body is designed into an integrated structure and is used for ensuring the reliable physical transmission of the support body; bolt holes are formed in the four corners of the upper seat plate and the lower seat plate;
the separating unit comprises a pressing rod, a first connecting rod, a second connecting rod and a piston plate, wherein air holes are uniformly distributed in the lower surface of the lower base plate, an annular cavity is formed in the lower end of the lower base plate, and the air holes are communicated with the annular cavity; piston plates are connected in the annular cavity in a sliding mode, adjusting grooves are formed in the positions, on the two sides, above the annular cavity, and the adjusting grooves are communicated with the annular cavity; a first connecting rod is rotatably connected in the adjusting groove, and a second connecting rod is hinged between one end of the first connecting rod relative to the central axis of the lower seat plate and the upper surface of the piston plate; t-shaped grooves are formed in the upper seat plate and are in one-to-one correspondence with the adjusting grooves; a T-shaped pressing rod is arranged in the T-shaped groove, and the lower end of the pressing rod extends into the adjusting groove and is hinged with one end, far away from the central axis of the lower seat plate, of the first connecting rod; a first spring is fixedly connected between the upper end of the pressing rod and the inner wall of the T-shaped groove;
the moving unit comprises a telescopic rod, a roller, a first air passage, a second air passage, a one-way valve and a control valve; the lower seat plate is provided with four uniformly arranged placing grooves at the periphery of the annular cavity, telescopic rods are arranged in the placing grooves, and the lower ends of the telescopic rods are provided with rollers; the inner space of the telescopic rod is communicated with the space below the piston plate through a first air passage, a one-way valve is arranged on the first air passage, and the one-way valve only allows air to flow from the space below the piston plate to the inner space of the telescopic rod; the inner space of the telescopic rod is communicated with the space on one side of the lower seat plate through a second air passage, and a control valve is arranged on the second air passage.
When the support is in work, the support is mostly connected with the cushion stone through bolts when being installed, grouting is often needed to be conducted into the embedded hole in the cushion stone for further fixing the support, and the support and the cushion stone are difficult to separate when the support is replaced; in addition, in the prior art, the bridge support to be replaced is mostly pulled out directly through iron hooks or by manpower, because the engineering steel support has larger mass and the space between the bridge and the padstone is smaller, the manual operation is difficult, the labor intensity of workers is greatly increased, when the support needs to be installed, firstly, a lower seat plate of a support is fixedly connected with a cushion stone through a bolt, then a bridge is moved to the upper part of the upper seat plate, a pressing rod is downwards extruded when the bridge falls down, the pressing rod downwards moves to drive a first connecting rod to rotate, thereby driving the second connecting rod and the piston plate to move upwards, the piston plate moves upwards to increase the space below the piston plate, the air pressure is reduced, and the air is sucked through the air holes, so that the lower seat plate is tightly adsorbed with the cushion stone under the action of atmospheric pressure, therefore, the fixing effect of the support and the cushion is improved, the lower surface of the support is prevented from being easily polluted by grouting, the support is difficult to clean, and the service life of the support is prolonged; when the support needs to be overhauled and replaced, the bridge is jacked up through the jack mechanism, the bridge moves upwards to enable the pressing rod to move upwards under the elastic force of the first spring, the first connecting rod is driven to rotate to drive the second connecting rod and the piston plate to move downwards when the pressing rod moves upwards, the piston plate moves downwards to enable the space below the piston plate to be reduced, the air pressure is increased, and air below the compressed piston plate is sprayed out through the air holes, so that the separation of the support and the cushion stone is accelerated, and bolts are convenient to take out; meanwhile, air in the space below the piston plate is compressed and enters the inner space of the telescopic rod through the first air passage, so that the extension rod of the telescopic rod extends outwards, the lower base plate is lifted upwards after the support is separated from the cushion stone, the roller is in contact with the cushion stone, the support is convenient for workers to move, when the support needs to be installed again, the support is moved to the installation position, the control valve is opened, the roller returns to the placing groove, the roller can be protected, and the service life of the roller is prolonged; the invention has simple operation, time and labor saving, can effectively reduce the labor intensity of workers and improve the working efficiency.
Preferably, one side of the adjusting groove, which is far away from the central axis of the lower seat plate, is provided with a first sliding groove in an L-shaped design, a push rod is connected in the first sliding groove in a sliding manner, a second sliding groove is formed in one end, opposite to the adjusting groove, of the push rod, a sliding plate is connected in the second sliding groove in a sliding manner, second springs which are uniformly arranged are fixedly connected between the lower surface of the sliding plate and the inner wall of the second sliding groove, and the space below the sliding plate is communicated with the inside of the adjusting groove through a hose; the upper surface of the sliding plate is fixedly connected with a connecting rod, the upper end of the connecting rod is hinged with an arc-shaped plate, one end of the arc-shaped plate, which is far away from the adjusting groove, is hinged with a push rod, and the arc-shaped plate is positioned on the vertical part of the first sliding groove; a fixing screw is arranged above the push rod and used for fixing the position of the push rod; when the support is installed, the push rod is pushed towards the direction close to the adjusting groove to enable the arc-shaped plate to enter the vertical part of the first sliding groove, the sliding plate and the connecting rod move upwards under the action of the second spring, the space below the sliding plate is increased, the air pressure is reduced, and air in the adjusting groove is absorbed to enter the space below the sliding plate, so that the piston plate moves upwards in an accelerating mode, and the adsorption effect between the lower seat plate of the support and the cushion stone is further improved; when the support is replaced, the push rod is moved in the direction away from the adjusting groove, the push rod drives the arc-shaped plate to move in the direction away from the adjusting groove, the arc-shaped plate is extruded to move downwards, the connecting rod and the sliding plate are driven to move downwards, the space below the sliding plate is reduced, air pressure is increased, air below the sliding plate is compressed to enter the adjusting groove, accordingly, the piston plate moves downwards in an accelerating mode, and the separation efficiency of the support and the cushion stone is further improved; and the push rod is arranged, so that the support can be conveniently moved by a worker, the problem that the worker is difficult to operate when using tools due to the fact that the space below the bridge is small is avoided, and the working efficiency of the bridge is effectively improved.
Preferably, the position of the first sliding chute in sliding contact with the upper surface of the arc-shaped plate is rotationally connected with balls which are uniformly arranged; during operation, because the frictional resistance that receives when arc upper surface and first spout inner wall sliding contact is great, great to the harm of arc, the ball can become rolling friction with sliding friction, reduces the frictional resistance between arc and the first spout inner wall, reduces the fish tail harm to the arc to improve the life of arc.
Preferably, a sealing sleeve is arranged on the pressing rod, and one end of the sealing sleeve is fixedly connected with the upper surface of the lower base plate; the sealing sleeve is made of elastic metal materials, and a protective rust layer is arranged on the outer surface of the sealing sleeve; all steel parts in the support body are made of weather-proof rigid materials; when the device works, the pressing rod is in sliding connection in the lower seat plate, and the sealing sleeve can improve the sealing property between the pressing rod and the lower seat plate and ensure the normal operation of the device; meanwhile, the sealing sleeve made of elastic metal materials can fix the pressing rod to a certain extent, so that the pressing rod is prevented from being driven to move and bend when the bridge is adjusted and moved; meanwhile, the support works in a dark and humid environment for a long time, the support is easy to corrode, the service life of the support is shortened, the corrosion resistance and the application range of the support can be improved by using the weather-resistant rigid material to manufacture the support, and the later maintenance and protection cost is reduced.
Preferably, a sliding groove is formed in the center of the upper surface of the piston plate, a sliding block is connected in the sliding groove in a sliding mode, a third spring is fixedly connected between the upper surface of the sliding block and the inner wall of the annular cavity, and the third spring is in a normal state when the piston plate is located at the bottom of the annular cavity; an annular airbag is arranged inside one side of the piston plate, which is far away from the central axis of the lower seat plate, and the airbag is communicated with the space below the sliding block through a third air passage; when the air bag type annular cavity sealing device works, when the piston plate moves upwards, the third spring is extruded to drive the sliding block to move downwards, the sliding block moves downwards to compress air below the sliding block to enter the air bag through the third air passage, and the air bag expands to enable the piston plate to be attached to the inner wall of the annular cavity, so that the sealing performance between the piston plate and the annular cavity is improved, and the piston plate is prevented from overturning when moving; similarly, when the piston plate moves down, the pulling push rod moves to one side of keeping away from the annular cavity, so that the gas below the sliding plate enters the adjusting groove and the annular cavity and extrudes the sliding block downwards, the gas below the sliding block enters the air bag through the third air passage, so that the air bag keeps a certain expansion state, the sealing property between the piston plate and the annular cavity is improved, the piston plate is prevented from overturning when moving, and the normal operation of the device is ensured.
Preferably, the air holes are of funnel-shaped design; when the piston plate moves upwards, the space below the piston plate is increased, the air pressure is reduced, air is sucked through the air holes, and due to the funnel-shaped design of the air holes, after air below the lower base plate enters the annular cavity through the air holes, the air is diffused to a larger space from a smaller space, the air flow rate is reduced, so that the air below the piston plate is uniformly dispersed, and the piston plate is further prevented from overturning; when the piston plate moves downwards, air below the compression piston plate is sprayed out from the air holes, the air enters a smaller space from a larger space, and the air is converged and the spraying speed of the air is increased, so that the separation speed of the support and the pad is increased.
The invention has the following beneficial effects:
according to the engineering steel support for hydraulic engineering construction, due to the arrangement of the separation unit and the moving unit, when the support needs to be installed, a bridge falls on a beam, the pressing rod is downwards extruded, the pressing rod downwards moves to drive the first connecting rod to rotate, the second connecting rod and the piston plate are further driven to upwards move, the piston plate upwards moves to enlarge the space below the piston plate, air pressure is reduced, air is sucked through the air holes, the lower base plate is tightly adsorbed with the cushion stone under the action of atmospheric pressure, the fixing effect of the support and the cushion stone is improved, the lower surface of the support is prevented from being easily polluted by grouting, the support is difficult to clean, and the service life of the support is prolonged; when the support needs to be overhauled and replaced, the bridge is jacked up through the jack mechanism, the bridge moves upwards to enable the pressing rod to move upwards under the elastic force of the first spring, the first connecting rod is driven to rotate to drive the second connecting rod and the piston plate to move downwards when the pressing rod moves upwards, the piston plate moves downwards to enable the space below the piston plate to be reduced, the air pressure is increased, and air below the compressed piston plate is sprayed out through the air holes, so that the separation of the support and the cushion stone is accelerated, and bolts are convenient to take out; meanwhile, air in the space below the piston plate is compressed and enters the inner space of the telescopic rod through the first air passage, so that the extension rod of the telescopic rod extends outwards, the lower base plate is lifted upwards after the support is separated from the cushion stone, the roller is in contact with the cushion stone, the support is convenient for workers to move, when the support needs to be installed again, the support is moved to the installation position, the control valve is opened, the roller returns to the placing groove, the roller can be protected, and the service life of the roller is prolonged; the invention has simple operation, time and labor saving, can effectively reduce the labor intensity of workers and improve the working efficiency.
According to the engineering steel support for hydraulic engineering construction, the push rod is arranged, when the support is installed, the push rod is pushed towards the direction close to the adjusting groove, so that the arc-shaped plate enters the vertical part of the first sliding groove, the sliding plate and the connecting rod move upwards under the action of the second spring, the space below the sliding plate is increased, the air pressure is reduced, and gas in the adjusting groove is absorbed and enters the space below the sliding plate, so that the piston plate moves upwards, and the adsorption effect between the lower seat plate of the support and the cushion stone is further improved; when the support is replaced, the push rod is moved in the direction away from the adjusting groove, the push rod drives the arc-shaped plate to move in the direction away from the adjusting groove, the arc-shaped plate is extruded to move downwards, the connecting rod and the sliding plate are driven to move downwards, the space below the sliding plate is reduced, air pressure is increased, air below the sliding plate is compressed to enter the adjusting groove, accordingly, the piston plate moves downwards in an accelerating mode, and the separation efficiency of the support and the cushion stone is further improved; and the push rod is arranged, so that the support can be conveniently moved by a worker, the problem that the worker is difficult to operate when using tools due to the fact that the space below the bridge is small is avoided, and the working efficiency of the bridge is effectively improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
in the figure: the air bag type air bag seat comprises an upper seat plate 10, a ball core 11, a lower seat plate 12, a spherical sliding plate 13, a plane sliding plate 14, a stainless steel sliding plate 15, a limiting ring 16, a limiting strip 17, a stop block 18, a bolt hole 19, a pressing rod 20, a first connecting rod 21, a second connecting rod 22, a piston plate 23, an air hole 24, an annular cavity 25, an adjusting groove 26, a T-shaped groove 27, a first spring 28, an expansion rod 30, a roller 31, a first air passage 32, a second air passage 33, a one-way valve 34, a control valve 35, a first sliding groove 4, a push rod 41, a second sliding groove 42, a sliding plate 43, a second spring 44, a connecting rod 45, an arc-shaped plate 46, a fixing screw 47, a ball 48, a sealing sleeve 49, a sliding groove 5, a sliding block 51, a third spring 52, an air bag 53 and a third air passage 54.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the engineering steel support for hydraulic engineering construction according to the present invention includes a support body, a separation unit, and a moving unit; the support body comprises an upper seat plate 10, a ball core 11 and a lower seat plate 12, wherein a spherical groove is formed in the center of the top of the lower seat plate 12, a spherical sliding plate 13 is arranged in the spherical groove, and the ball core 11 is arranged on the upper surface of the spherical sliding plate 13; the spherical core 11 and the spherical sliding plate 13 form a revolute pair to realize the rotation of the support body; the upper surface of the ball core 11 is provided with a circular groove, a plane sliding plate 14 is arranged in the circular groove, the upper surface of the plane sliding plate 14 is provided with a stainless steel sliding plate 15, and the upper surface of the stainless steel sliding plate 15 is provided with an upper seat plate 10; the plane sliding plate 14 and the stainless steel sliding plate 15 form a sliding pair to realize the longitudinal and transverse movement of the support body; the upper surface of the lower seat plate 12 is provided with a limiting ring 16, and the limiting ring 16 is used for limiting the size of a corner of the support body; the two sides of the lower seat plate 12 are symmetrically provided with limit strips 17, the two sides of the upper seat plate 10 are symmetrically provided with L-shaped stop blocks 18, the vertical parts of the stop blocks 18 are matched with the limit strips 17 to limit the sliding displacement of the support body, and the horizontal parts of the stop blocks 18 are matched with the limit strips 17 to form hasps for realizing the anti-loosening function of the support body; the whole support body is designed into an integrated structure and is used for ensuring the reliable physical transmission of the support body; the four corners of the upper seat plate 10 and the lower seat plate 12 are provided with bolt holes 19;
the separating unit comprises a pressing rod 20, a first connecting rod 21, a second connecting rod 22 and a piston plate 23, air holes 24 are uniformly formed in the lower surface of the lower seat plate 12, an annular cavity 25 is formed in the lower end of the lower seat plate 12, and the air holes 24 are communicated with the annular cavity 25; a piston plate 23 is connected in the annular cavity 25 in a sliding manner, adjusting grooves 26 are arranged at the positions on two sides above the annular cavity 25, and the adjusting grooves 26 are communicated with the annular cavity 25; a first connecting rod 21 is rotatably connected in the adjusting groove 26, and a second connecting rod 22 is hinged between one end of the first connecting rod 21 relative to the central axis of the lower seat plate 12 and the upper surface of the piston plate 23; a T-shaped groove 27 is formed in the upper seat plate 10, and the T-shaped groove 27 and the adjusting groove 26 are arranged in a one-to-one correspondence manner; a T-shaped pressing rod 20 is arranged in the T-shaped groove 27, the lower end of the pressing rod 20 extends into the adjusting groove 26 and is hinged with one end, far away from the central axis of the lower seat plate 12, of the first connecting rod 21; a first spring 28 is fixedly connected between the upper end of the pressing rod 20 and the inner wall of the T-shaped groove 27;
the moving unit comprises a telescopic rod 30, a roller 31, a first air passage 32, a second air passage 33, a one-way valve 34 and a control valve 35; the lower seat plate 12 is provided with four uniformly arranged placing grooves at the periphery of the annular cavity 25, telescopic rods 30 are arranged in the placing grooves, and the lower ends of the telescopic rods 30 are provided with rollers 31; the inner space of the telescopic rod 30 is communicated with the space below the piston plate 23 through a first air passage 32, a one-way valve 34 is arranged on the first air passage 32, and the one-way valve 34 only allows air to flow from the space below the piston plate 23 to the inner space of the telescopic rod 30; the inner space of the telescopic rod 30 is communicated with the space on one side of the lower seat plate 12 through a second air passage 33, and a control valve 35 is arranged on the second air passage 33.
When the support is in work, the support is mostly connected with the cushion stone through the bolt when being installed, in order to further fix the support, grouting is often needed to be performed inside the pre-buried hole in the cushion stone, and the support is difficult to separate from the cushion stone when the support is replaced; in addition, most of the prior art directly pulls out the bridge bearing to be replaced by iron hooks or manpower, because the engineering steel bearing has larger mass and the space between the bridge and the cushion is smaller, the manual operation is difficult, and the labor intensity of workers is greatly increased, when the bearing needs to be installed, firstly, the lower seat plate 12 of the bearing is fixedly connected with the cushion through bolts, then, the bridge is moved to the upper part of the upper seat plate 10, the pressing rod 20 is downwards extruded when the bridge falls down, the pressing rod 20 downwards moves to drive the first connecting rod 21 to rotate, and further, the second connecting rod 22 and the piston plate 23 upwards move, the piston plate 23 upwards moves to enlarge the space below the piston plate 23, the air pressure is reduced, and air is sucked through the air holes 24, so that the lower seat plate 12 is tightly adsorbed with the cushion under the action of atmospheric pressure, the fixing effect of the bearing and the cushion is improved, the phenomenon that the lower surface of the bearing is easily polluted by grouting to cause the difficulty in cleaning of the bearing is prevented, the service life of the support is prolonged, and the maintenance cost of the support is reduced; when the support needs to be overhauled and replaced, the bridge is jacked up through the jack mechanism, the bridge moves upwards to enable the pressing rod 20 to move upwards under the elastic force of the first spring 28, the first connecting rod 21 is driven to rotate to drive the second connecting rod 22 and the piston plate 23 to move downwards when the pressing rod 20 moves upwards, the piston plate 23 moves downwards to enable the space below the piston plate 23 to be reduced, the air pressure is increased, and air below the compressed piston plate 23 is sprayed out through the air holes 24, so that the separation of the support and the cushion stone is accelerated, and the bolt is convenient to take out; meanwhile, air in the space below the piston plate 23 is compressed and enters the inner space of the telescopic rod 30 through the first air passage 32, so that the extension rod of the telescopic rod 30 extends outwards, the lower seat plate 12 is lifted upwards after the support and the cushion stone are separated, the roller 31 is in contact with the cushion stone, the support can be conveniently and flexibly moved by a worker through the roller 31, when the support needs to be installed again, the support is moved to the installation position, the control valve 35 is opened, the roller 31 returns to the placing groove, the roller 31 can be protected, and the service life of the roller 31 is prolonged; the invention has simple operation, time and labor saving, can effectively reduce the labor intensity of workers and improve the working efficiency.
As an embodiment of the present invention, one side of the adjusting groove 26, which is away from the central axis of the lower seat plate 12, is provided with a first sliding groove 4 in an "L" shape, a push rod 41 is connected in the first sliding groove 4 in a sliding manner, a second sliding groove 42 is provided in one end of the push rod 41, which is opposite to the adjusting groove 26, a sliding plate 43 is connected in the second sliding groove 42 in a sliding manner, second springs 44 which are uniformly arranged are fixedly connected between the lower surface of the sliding plate 43 and the inner wall of the second sliding groove 42, and a space below the sliding plate 43 is communicated with the inside of the adjusting groove 26 through a hose; the upper surface of the sliding plate 43 is fixedly connected with a connecting rod 45, the upper end of the connecting rod 45 is hinged with an arc-shaped plate 46, one end, away from the adjusting groove 26, of the arc-shaped plate 46 is hinged with the push rod 41, and the arc-shaped plate 46 is positioned in the vertical part of the first sliding groove 4; a fixing screw 47 is arranged above the push rod 41, and the fixing screw 47 is used for fixing the position of the push rod 41; during operation, when the support is installed, the push rod 41 is pushed towards the direction close to the adjusting groove 26, so that the arc-shaped plate 46 enters the vertical part of the first sliding groove 4, the sliding plate 43 and the connecting rod 45 move upwards under the action of the second spring 44, the space below the sliding plate 43 is increased, the air pressure is reduced, and the air in the adjusting groove 26 is absorbed and enters the space below the sliding plate 43, so that the piston plate 23 is accelerated to move upwards, and the adsorption effect between the support lower seat plate 12 and the cushion stone is further improved; when the support is replaced, the push rod 41 is moved in the direction away from the adjusting groove 26, the push rod 41 drives the arc-shaped plate 46 to move in the direction away from the adjusting groove 26, the arc-shaped plate 46 is extruded to move downwards, the connecting rod 45 and the sliding plate 43 are driven to move downwards, the space below the sliding plate 43 is reduced, the air pressure is increased, air below the sliding plate 43 is compressed to enter the adjusting groove 26, the piston plate 23 is accelerated to move downwards, and the separation efficiency of the support and the cushion stone is further improved; and the push rod 41 is arranged, so that the support can be conveniently moved by a worker, the problem that the worker is difficult to operate when using tools due to the fact that the space below the bridge is small is avoided, and the working efficiency of the bridge is effectively improved.
As an embodiment of the present invention, the position where the first sliding chute 4 is in sliding contact with the upper surface of the arc plate 46 is rotatably connected with the balls 48 which are uniformly arranged; the during operation, because the frictional resistance that receives during arc 46 upper surface and the 4 inner walls sliding contact of first spout is great, great to arc 46's harm, ball 48 can become rolling friction with sliding friction, reduces the frictional resistance between arc 46 and the 4 inner walls of first spout, reduces the fish tail harm to arc 46 to improve arc 46's life.
As an embodiment of the present invention, a sealing sleeve 49 is disposed on the pressing rod 20, and one end of the sealing sleeve 49 is fixedly connected to the upper surface of the lower seat plate 12; the sealing sleeve 49 is made of elastic metal materials, and a protective rust layer is arranged on the outer surface of the sealing sleeve 49; all steel parts in the support body are made of weather-resistant steel; when the device works, the pressing rod 20 is in sliding connection in the lower seat plate 12, and the sealing sleeve 49 can improve the sealing property between the pressing rod 20 and the lower seat plate 12 and ensure the normal operation of the device; meanwhile, the sealing sleeve 49 made of elastic metal materials can fix the pressing rod 20 to a certain extent, so that the pressing rod 20 is prevented from being driven to move and bend the pressing rod 20 when the bridge is adjusted and moved; meanwhile, the support works in a dark and humid environment for a long time, the support is easy to corrode, the service life of the support is shortened, the corrosion resistance and the application range of the support can be improved by using the weather-resistant rigid material to manufacture the support, and the later maintenance and protection cost is reduced.
As an embodiment of the present invention, a sliding groove 5 is formed in the center of the upper surface of the piston plate 23, a sliding block 51 is slidably connected in the sliding groove 5, a third spring 52 is fixedly connected between the upper surface of the sliding block 51 and the inner wall of the annular cavity 25, and the third spring 52 is in a normal state when the piston plate 23 is located at the bottom of the annular cavity 25; an annular air bag 53 is arranged inside one side of the piston plate 23, which is far away from the central axis of the lower seat plate 12, and the air bag 53 is communicated with the space below the sliding block 51 through a third air passage 54; during operation, when the piston plate 23 moves upwards, the third spring 52 is extruded to drive the sliding block 51 to move downwards, the sliding block 51 moves downwards to compress air below the sliding block 51 to enter the air bag 53 through the third air passage 54, and the air bag 53 expands to enable the piston plate 23 to be attached to the inner wall of the annular cavity 25, so that the sealing performance between the piston plate 23 and the annular cavity 25 is improved, and the piston plate 23 is prevented from turning over when moving; similarly, when the piston plate 23 moves downwards, the push rod 41 is pulled to move towards the side far away from the annular cavity 25, so that the gas below the sliding plate 43 enters the adjusting groove 26 and the annular cavity 25 and extrudes the sliding block 51 downwards, the gas below the sliding block 51 enters the air bag 53 through the third air channel 54, the air bag 53 keeps a certain expansion state, the sealing property between the piston plate 23 and the annular cavity 25 is improved, the piston plate 23 is prevented from overturning when moving, and the normal operation of the device is ensured.
As an embodiment of the invention, the air holes 24 are of funnel-shaped design; when the piston plate 23 moves upwards in work, the space below the piston plate 23 is increased, the air pressure is reduced, air is sucked through the air holes 24, and due to the funnel-shaped design of the air holes 24, after air below the lower base plate 12 enters the annular cavity 25 through the air holes 24, the air is diffused to a larger space from a smaller space, the air flow rate is reduced, so that the air below the piston plate 23 is uniformly dispersed, and the piston plate 23 is further prevented from overturning; when the piston plate 23 moves downwards, gas below the compression piston plate 23 is sprayed out from the air holes 24, the gas enters a small space from a large space, the gas is gathered and the spraying speed of the gas is increased, and therefore the separation speed of the support and the cushion stone is improved.
The specific working process of the invention is as follows:
when the support needs to be installed, firstly, a lower seat plate 12 of the support is fixedly connected with a cushion stone through a bolt, then a bridge is moved to the position above an upper seat plate 10, the bridge downwards extrudes a pressing rod 20 when falling onto the beam, the pressing rod 20 downwards moves to drive a first connecting rod 21 to rotate, further a second connecting rod 22 and a piston plate 23 are driven to upwards move, the piston plate 23 upwards moves to enlarge the space below the piston plate 23, the air pressure is reduced, air is sucked through an air hole 24, and the lower seat plate 12 is tightly adsorbed with the cushion stone under the action of the atmospheric pressure, so that the fixing effect of the support and the cushion stone is improved; meanwhile, the push rod 41 is pushed towards the direction close to the adjusting groove 26, so that the arc-shaped plate 46 enters the vertical part of the first sliding groove 4, the sliding plate 43 and the connecting rod 45 move upwards under the action of the second spring 44, the space below the sliding plate 43 is increased, the air pressure is reduced, and the air in the adjusting groove 26 is absorbed and enters the space below the sliding plate 43, so that the piston plate 23 is accelerated to move upwards, and the adsorption fixing effect between the support lower seat plate 12 and the cushion stone is further improved; when the support needs to be overhauled and replaced, the bridge is jacked up through the jack mechanism, the bridge moves upwards to enable the pressing rod 20 to move upwards under the elastic force of the first spring 28, the pressing rod 20 drives the first connecting rod 21 to rotate so as to drive the second connecting rod 22 and the piston plate 23 to move downwards when moving upwards, the piston plate 23 moves downwards to enable the space below the piston plate 23 to be reduced, the air pressure is increased, and air below the compressed piston plate 23 is sprayed out through the air hole 24, so that the separation of the support and the cushion stone is accelerated; meanwhile, air in the space below the piston plate 23 is compressed and enters the inner space of the telescopic rod 30 through the first air passage 32, so that the extension rod of the telescopic rod 30 extends outwards, the lower seat plate 12 is lifted upwards after the support and the cushion stone are separated, the roller 31 is in contact with the cushion stone, the support can be conveniently and flexibly moved by a worker through the roller 31, when the support needs to be installed again, the support is moved to the installation position, the control valve 35 is opened, the roller 31 returns to the placing groove, the roller 31 can be protected, and the service life of the roller 31 is prolonged; meanwhile, the push rod 41 is moved towards the direction far away from the adjusting groove 26, the push rod 41 drives the arc-shaped plate 46 to move towards the direction far away from the adjusting groove 26, so that the arc-shaped plate 46 is extruded to move downwards, the connecting rod 45 and the sliding plate 43 are driven to move downwards, the space below the sliding plate 43 is reduced, the air pressure is increased, air below the sliding plate 43 is compressed to enter the adjusting groove 26, the piston plate 23 is accelerated to move downwards, and the separation efficiency of the support and the cushion stone is further improved; the push rod 41 is arranged, so that the support can be conveniently moved by workers, the problem that the workers use tools difficultly due to the fact that the space below the bridge is small is avoided, and the working efficiency of the bridge is effectively improved; meanwhile, the balls 48 are arranged to change sliding friction into rolling friction, so that the friction resistance between the arc-shaped plate 46 and the inner wall of the first chute 4 is reduced, the scratch damage to the arc-shaped plate 46 is reduced, and the service life of the arc-shaped plate 46 is prolonged; the invention has simple operation, time and labor saving, can effectively reduce the labor intensity of workers and improve the working efficiency.
Meanwhile, as the pressing rod 20 is in sliding connection in the lower seat plate 12, the sealing sleeve 49 is arranged to improve the sealing property between the pressing rod 20 and the lower seat plate 12, and ensure the normal operation of the device; meanwhile, the sealing sleeve 49 made of elastic metal materials can fix the pressing rod 20 to a certain extent, so that the pressing rod 20 is prevented from being driven to move and bend the pressing rod 20 when the bridge is adjusted and moved; meanwhile, the support is easy to corrode due to the fact that the support works in a dark and humid environment for a long time, the service life of the support is shortened, the corrosion resistance and the application range of the support can be improved by using the weather-resistant steel material to manufacture the support, and the later maintenance and protection cost is reduced; meanwhile, when the piston plate 23 moves upwards, the third spring 52 is extruded to drive the sliding block 51 to move downwards, the sliding block 51 moves downwards to compress air below the sliding block 51 to enter the air bag 53 through the third air channel 54, and the air bag 53 expands to enable the piston plate 23 to be attached to the inner wall of the annular cavity 25, so that the sealing performance between the piston plate 23 and the annular cavity 25 is improved, and the piston plate 23 is prevented from overturning when moving; similarly, when the piston plate 23 moves downwards, the push rod 41 is pulled to move towards one side far away from the annular cavity 25, so that the air below the sliding plate 43 enters the adjusting groove 26 and the annular cavity 25 and downwards extrudes the sliding block 51, the air below the sliding block 51 enters the air bag 53 through the third air channel 54, the air bag 53 keeps a certain expansion state, the sealing property between the piston plate 23 and the annular cavity 25 is improved, the piston plate 23 is prevented from turning over when moving, and the normal operation of the device is ensured; meanwhile, because the air hole 24 is in a funnel-shaped design, when the piston plate 23 moves upwards, the space below the piston plate 23 is increased, the air pressure is reduced, and air is sucked through the air hole 24, because the air hole 24 is in a funnel-shaped design, after air below the lower seat plate 12 enters the annular cavity 25 through the air hole 24, the air is diffused to a larger space from a smaller space, the air flow rate is reduced, the air below the piston plate 23 is uniformly dispersed, and the piston plate 23 is further prevented from overturning; when the piston plate 23 moves downwards, gas below the compression piston plate 23 is sprayed out from the air holes 24, the gas enters a small space from a large space, the gas is gathered and the spraying speed of the gas is increased, and therefore the separation speed of the support and the cushion stone is improved.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides an engineering steel support for hydraulic engineering construction which characterized in that: comprises a support body, a separation unit and a moving unit; the support body comprises an upper seat plate (10), a ball core (11) and a lower seat plate (12), a spherical groove is formed in the center of the top of the lower seat plate (12), a spherical sliding plate (13) is arranged in the spherical groove, and the ball core (11) is arranged on the upper surface of the spherical sliding plate (13); the spherical core (11) and the spherical sliding plate (13) form a revolute pair to realize the rotation of the support body; the upper surface of the ball core (11) is provided with a circular groove, a plane sliding plate (14) is arranged in the circular groove, the upper surface of the plane sliding plate (14) is provided with a stainless steel sliding plate (15), and the upper surface of the stainless steel sliding plate (15) is provided with an upper seat plate (10); the plane sliding plate (14) and the stainless steel sliding plate (15) form a sliding pair to realize the longitudinal and transverse movement of the support body; the upper surface of the lower seat plate (12) is provided with a limiting ring (16), and the limiting ring (16) is used for limiting the size of a corner of the support body; limiting strips (17) are symmetrically arranged on two sides of the lower seat plate (12), L-shaped check blocks (18) are symmetrically arranged on two sides of the upper seat plate (10), the vertical parts of the check blocks (18) are matched with the limiting strips (17) to limit the sliding displacement of the support body, and the horizontal parts of the check blocks (18) are matched with the limiting strips (17) to form hasps for realizing the anti-loosening function of the support body; the whole support body is designed into an integrated structure and is used for ensuring the reliable physical transmission of the support body; the four corners of the upper seat plate (10) and the lower seat plate (12) are provided with bolt holes (19);
the separating unit comprises a pressing rod (20), a first connecting rod (21), a second connecting rod (22) and a piston plate (23), air holes (24) are uniformly formed in the lower surface of the lower seat plate (12), an annular cavity (25) is formed in the lower end of the lower seat plate (12), and the air holes (24) are communicated with the annular cavity (25); a piston plate (23) is connected in the annular cavity (25) in a sliding manner, adjusting grooves (26) are formed in the positions on the two sides above the annular cavity (25), and the adjusting grooves (26) are communicated with the annular cavity (25); a first connecting rod (21) is rotatably connected in the adjusting groove (26), and a second connecting rod (22) is hinged between one end of the first connecting rod (21) relative to the central axis of the lower seat plate (12) and the upper surface of the piston plate (23); t-shaped grooves (27) are formed in the upper seat plate (10), and the T-shaped grooves (27) and the adjusting grooves (26) are arranged in a one-to-one correspondence manner; a T-shaped pressing rod (20) is arranged in the T-shaped groove (27), the lower end of the pressing rod (20) extends into the adjusting groove (26) and is hinged with one end, away from the central axis of the lower seat plate (12), of the first connecting rod (21); a first spring (28) is fixedly connected between the upper end of the pressing rod (20) and the inner wall of the T-shaped groove (27);
the moving unit comprises a telescopic rod (30), a roller (31), a first air passage (32), a second air passage (33), a one-way valve (34) and a control valve (35); the lower seat plate (12) is provided with four uniformly arranged placing grooves at the periphery of the annular cavity (25), telescopic rods (30) are arranged in the placing grooves, and the lower ends of the telescopic rods (30) are provided with rollers (31); the inner space of the telescopic rod (30) is communicated with the space below the piston plate (23) through a first air passage (32), a one-way valve (34) is arranged on the first air passage (32), and the one-way valve (34) only allows air to flow from the space below the piston plate (23) to the inner space of the telescopic rod (30); the inner space of the telescopic rod (30) is communicated with the space on one side of the lower seat plate (12) through a second air passage (33), and a control valve (35) is arranged on the second air passage (33);
one side, away from the central axis of the lower seat plate (12), of each adjusting groove (26) is provided with a first sliding groove (4) in an L-shaped design, a push rod (41) is connected in the first sliding groove (4) in a sliding mode, a second sliding groove (42) is formed in one end, opposite to the adjusting groove (26), of the push rod (41), a sliding plate (43) is connected in the second sliding groove (42) in a sliding mode, second springs (44) which are uniformly arranged are fixedly connected between the lower surface of the sliding plate (43) and the inner wall of the second sliding groove (42), and the space below the sliding plate (43) is communicated with the inside of the adjusting groove (26) through a hose; the upper surface of the sliding plate (43) is fixedly connected with a connecting rod (45), the upper end of the connecting rod (45) is hinged with an arc-shaped plate (46), one end, far away from the adjusting groove (26), of the arc-shaped plate (46) is hinged with the push rod (41), and the arc-shaped plate (46) is located on the vertical portion of the first sliding groove (4); a fixing screw (47) is arranged above the push rod (41), and the fixing screw (47) is used for fixing the position of the push rod (41);
the position of the first sliding chute (4) in sliding contact with the upper surface of the arc-shaped plate (46) is rotationally connected with balls (48) which are uniformly distributed;
a sliding groove (5) is formed in the center of the upper surface of the piston plate (23), a sliding block (51) is connected in the sliding groove (5) in a sliding mode, a third spring (52) is fixedly connected between the upper surface of the sliding block (51) and the inner wall of the annular cavity (25), and the third spring (52) is in a normal state when the piston plate (23) is located at the bottom of the annular cavity (25); the piston plate (23) is far away from the air bag (53) with an annular design in one side of the central axis of the lower seat plate (12), and the air bag (53) is communicated with the space below the sliding block (51) through a third air channel (54).
2. The engineering steel support for hydraulic engineering construction according to claim 1, characterized in that: a sealing sleeve (49) is arranged on the pressing rod (20), and one end of the sealing sleeve (49) is fixedly connected with the upper surface of the lower seat plate (12); the sealing sleeve (49) is made of elastic metal materials, and a protective rust layer is arranged on the outer surface of the sealing sleeve (49); all steel part materials in the support body are made of weather-resistant steel.
3. The engineering steel support for hydraulic engineering construction according to claim 1, characterized in that: the air holes are funnel-shaped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418357.3A CN112627018B (en) | 2020-12-06 | 2020-12-06 | Engineering steel support for hydraulic engineering construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418357.3A CN112627018B (en) | 2020-12-06 | 2020-12-06 | Engineering steel support for hydraulic engineering construction |
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| CN112627018B true CN112627018B (en) | 2022-08-05 |
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| CN112627018A (en) | 2021-04-09 |
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