CN112012500B - Wedge-shaped locking self-propelled pushing device and method - Google Patents
Wedge-shaped locking self-propelled pushing device and method Download PDFInfo
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- CN112012500B CN112012500B CN202010840009.9A CN202010840009A CN112012500B CN 112012500 B CN112012500 B CN 112012500B CN 202010840009 A CN202010840009 A CN 202010840009A CN 112012500 B CN112012500 B CN 112012500B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/163—Jacks specially adapted for working-up building elements
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Abstract
The invention discloses a wedge-shaped locking self-propelled pushing device and a wedge-shaped locking self-propelled pushing method, and relates to the technical field of building construction. The device aims at the problems that a counter-force seat needs to be locked and moved repeatedly by manpower in the existing rail pushing sliding method, and the automation degree and the construction efficiency are low. The wedge-shaped locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, the oil cylinder reaction frame is clamped on the rail, the wedge-shaped sliding block is embedded in a wedge-shaped sliding groove in an inner cavity of the oil cylinder reaction frame, the pushing oil cylinder drives the wedge-shaped sliding block connected with the pushing oil cylinder to slide back and forth along the wedge-shaped sliding groove, so that the wedge-shaped locking device and the rail are locked or unlocked, and the pushing oil cylinder pushes the pushing base to move towards the pushing direction in a locking state; and in an unlocking state, the pushing oil cylinder drives the wedge-shaped locking device to move towards the pushing direction.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a wedge-shaped locking self-propelled pushing device and a wedge-shaped locking self-propelled pushing method.
Background
At present, the pushing and sliding method is adopted in the installation and construction of the large steel structure, wherein rail pushing and sliding is realized by pushing the rear part of the large steel structure through a horizontal pushing hydraulic oil cylinder, and a sliding foot is installed at the bottom of the large steel structure, so that the large steel structure can be translated to a position to be installed by means of a rail. When the horizontal pushing hydraulic oil cylinder pushes the large steel structure to move horizontally, a locked counter-force seat is needed behind the hydraulic oil cylinder, and after one stroke of pushing, the counter-force seat needs to move forwards for one cylinder stroke and be locked again, so that the hydraulic oil cylinder can continue to push in the next stroke.
However, the existing reaction seat needs to be manually locked and then pushed, then manually unlocked and then moved forward, and the reaction seat is repeatedly locked and moved with a large workload, which seriously affects the pushing efficiency.
Disclosure of Invention
The device aims at the problems that a counter-force seat needs to be manually and repeatedly locked and moved in the existing rail pushing sliding method, and the automation degree and the construction efficiency are low. The invention aims to provide a wedge-shaped locking self-propelled pushing device and a wedge-shaped locking self-propelled pushing method.
The technical scheme adopted by the invention for solving the technical problem is as follows: a wedge-locking self-propelled thruster comprising: the pushing device comprises a wedge-shaped locking device, a pushing seat and a pushing oil cylinder, wherein the wedge-shaped locking device and the pushing seat are arranged on a track at intervals, the pushing oil cylinder is arranged between the wedge-shaped locking device and the pushing seat, and the pushing seat is connected with a member to be pushed;
the wedge-shaped locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, the oil cylinder reaction frame is clamped on the rail, the wedge-shaped sliding block is embedded in a wedge-shaped sliding groove in an inner cavity of the oil cylinder reaction frame, the end part of the wedge-shaped sliding block is connected with the pushing oil cylinder, and the pushing oil cylinder drives the wedge-shaped sliding block to slide back and forth along the wedge-shaped sliding groove, so that the wedge-shaped locking device is locked or unlocked with the rail;
in a locking state, the pushing oil cylinder reversely pushes the pushing seat to move towards the pushing direction;
and in an unlocking state, the pushing oil cylinder drives the wedge-shaped locking device to move towards the pushing direction.
The wedge-shaped locking self-propelled pushing device comprises a wedge-shaped locking device and a pushing base which are arranged on a track at intervals, and a pushing oil cylinder arranged between the wedge-shaped locking device and the pushing base, wherein the wedge-shaped locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, the oil cylinder reaction frame is clamped on the track, the wedge-shaped sliding block is embedded in a wedge-shaped sliding groove in an inner cavity of the oil cylinder reaction frame, and the pushing oil cylinder drives the wedge-shaped sliding block connected with the pushing oil cylinder to slide back and forth along the wedge-shaped sliding groove so that the wedge-shaped locking device and the track are locked or unlocked; the wedge-shaped locking self-propelled pushing device changes the friction force between the wedge-shaped locking device and the rail by using a wedge-shaped locking mode, thereby realizing the automatic locking and unlocking of the wedge-shaped locking device and the automatic pushing construction of components.
Preferably, the oil cylinder reaction frame comprises a box body arranged right above the rail and two clamping components arranged on two sides of the box body relatively, each clamping component comprises a wedge-shaped limiting block, a main connecting rod, a pressing block, a first shaft seat, a second shaft seat and a third shaft seat, the wedge-shaped limiting block is embedded in the inner cavity of the box body, the first shaft seat connected to the wedge-shaped limiting block penetrates through the side wall of the box body and is hinged to the end portion of the main connecting rod arranged outside the box body, the other end of the main connecting rod extends to a web of the rail and is hinged to the second shaft seat fixedly connected to the pressing block, the third shaft seat is arranged at the bottom of the first shaft seat and fixedly connected to the outer wall of the box body, the third shaft seat is hinged to the main connecting rod, the two wedge-shaped limiting blocks arranged in the inner cavity of the box body form the wedge-shaped sliding groove, and the wedge-shaped sliding groove is matched with the wedge-shaped sliding block.
Preferably, the clamping assembly further comprises an adjusting plate arranged on the side face of the pressing block and a plurality of adjusting bolts penetrating through the pressing block, a plurality of limiting holes and a plurality of threaded holes are formed in the pressing block along the shaft seat in a two-symmetric manner, a plurality of limiting pins corresponding to the limiting holes are arranged on one side, away from the rail web, of the adjusting plate, and the adjusting bolts penetrate through the corresponding threaded holes in the pressing block and then abut against the adjusting plate.
Preferably, one side of the adjusting plate close to the rail web is provided with uniformly distributed convex teeth.
Preferably, the corner of the inner cavity of the box body is symmetrically provided with a pair of limiting steps with rectangular cross sections, the end part with the largest width of the wedge-shaped sliding block is embedded between the two limiting steps, and the wedge-shaped limiting block is embedded between the limiting steps and the side wall of the box body.
Preferably, the end part of the wedge-shaped sliding block embedded between the two limiting steps is provided with a sliding block guide section, and the sliding block guide section is matched with the cross sections of the limiting steps.
Preferably, the pushing cylinder comprises a cylinder body and a piston rod which are connected, and cylinder mounting seats which are respectively hinged to the end parts of the cylinder body and the piston rod, and the other ends of the two cylinder mounting seats are respectively fixedly connected with the pushing seat and the wedge-shaped sliding block.
Preferably, the wedge locking device still includes a plurality of locking springs, and the side of two wedge stopper is equipped with a plurality of blind holes along perpendicular to track axis direction symmetry, locking spring's one end inlays to be located the blind hole, locking spring's the other end offsets with the lateral wall of box.
In addition, the invention also provides a self-propelled pushing method, which comprises the following steps:
s1: respectively installing a member to be pushed and at least two wedge-shaped locking self-propelled pushing devices right above at least two parallel rails, wherein the wedge-shaped locking devices and a pushing base are arranged at intervals, a pushing oil cylinder is connected between the wedge-shaped locking devices and the pushing base, the pushing base is connected with the member to be pushed, each wedge-shaped locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, each oil cylinder reaction frame is clamped on the corresponding rail, one end of each wedge-shaped sliding block is connected to the corresponding pushing oil cylinder, and the other end of each wedge-shaped sliding block is embedded in a wedge-shaped sliding groove in an inner cavity of the corresponding oil cylinder reaction frame;
s2: the pushing oil cylinder is contracted, and the pushing oil cylinder drives the wedge-shaped sliding block to slide along the wedge-shaped sliding chute to the pushing direction, so that the wedge-shaped locking device is in an unlocking state;
s3: the pushing oil cylinder extends, the pushing oil cylinder pushes the wedge-shaped sliding block to slide towards the pushing direction along the wedge-shaped sliding groove, so that the wedge-shaped locking device is in a locking state, and the pushing oil cylinder pushes the member to be pushed to move towards the pushing direction in a reverse pushing mode;
s4: after the stroke of the pushing oil cylinder reaches the maximum, the pushing oil cylinder is contracted and drives the wedge-shaped sliding block to slide along the wedge-shaped sliding groove in the pushing direction, so that the wedge-shaped locking device is in an unlocking state, and the pushing oil cylinder drives the wedge-shaped locking device to move along the track in the pushing direction;
s5: and repeating the steps S3 and S4 until the member to be ejected is ejected to a specified position.
The self-propelled pushing method comprises the steps that a pushing oil cylinder is contracted and drives a wedge-shaped sliding block to slide along a wedge-shaped sliding groove in the pushing direction, so that a wedge-shaped locking device is in an unlocking state, and the pushing oil cylinder drives the wedge-shaped locking device to move along a rail in the pushing direction; extending a pushing oil cylinder, pushing a wedge-shaped slide block to slide along a wedge-shaped sliding groove in the opposite pushing direction, enabling a wedge-shaped locking device to be in a locking state, and pushing the member to be pushed to move a distance of one oil cylinder stroke along a track in the pushing direction in a reverse pushing mode by the other end of the pushing oil cylinder, and repeating the process until the member is pushed to a finger position; the self-propelled pushing method changes the friction force between the wedge-shaped locking device and the track by using a wedge-shaped locking mode, so that automatic locking and unlocking of the wedge-shaped locking device and automatic pushing construction of a component are realized, and manpower and material resource consumption caused by moving a counter-force seat by manual locking and unlocking is avoided, so that the pushing construction efficiency is improved, and the construction safety is ensured.
Preferably, in the step S2, the pushing oil cylinder contracts to drive the wedge-shaped slide block to move towards the pushing direction, and the two wedge-shaped limit blocks in the inner cavity of the oil cylinder reaction frame box body move relatively and are separated from the side wall of the box body, so that the main connecting rod drives the compression blocks on two sides of the rail web plate to move oppositely and are separated from the rail web plate, and the wedge-shaped locking device is unlocked; in the step S3, the pushing oil cylinder extends to push the wedge-shaped slide block to move towards the opposite direction of pushing, two wedge-shaped limiting blocks of an inner cavity of the oil cylinder reaction frame box body move oppositely and abut against the side wall of the box body, so that the main connecting rod drives the pressing blocks on two sides of the track web plate to move oppositely and clamp the track web plate, and the wedge-shaped locking device is locked.
Preferably, in the step S3, an adjusting plate is installed on the side surface of the pressing block, a plurality of limit pins on one side of the adjusting plate are embedded into corresponding limit holes of the pressing block, adjusting bolts are installed in a plurality of threaded holes of the pressing block respectively, and the adjusting bolts are rotated to finely adjust the distance between the adjusting plate and the track web plate, so that the adjusting plate is tightly attached to the track web plate.
Preferably, the side surfaces of the two wedge-shaped limiting blocks are symmetrically provided with a plurality of blind holes along the direction vertical to the axis of the track, one end of the locking spring is embedded in the blind holes, and the other end of the locking spring is abutted against the side wall of the box body; in the steps S1 and S5, when the pushing cylinder is in a non-working state, the wedge-shaped limiting block is automatically separated from the box body under the action of the locking spring, so that the wedge-shaped locking device is in an unlocking state.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a wedge-shaped locking self-propelled thruster of the present invention;
FIG. 2 is a schematic view of a wedge lock according to an embodiment of the present invention;
FIG. 3 is a schematic view of a wedge locking mechanism according to an embodiment of the present invention in a locked state;
FIG. 4 is a schematic view of an unlocked state of the wedge locking mechanism of one embodiment of the present invention;
fig. 5 is a schematic structural diagram of a pressing block in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an adjustment plate according to an embodiment of the invention.
The numbers in the figures are as follows:
a track 1; a wedge-shaped locking device 10; a pushing base 30; a jacking cylinder 20; power center 40 wedge shoe 11; a slider guide section 11a; a cylinder reaction frame 15; a case 151; a wedge-shaped stopper 152; a master link 153; a compression block 154; a stopper hole 154b; a threaded hole 154c; a first shaft seat 152a; the second shaft seat 154a; a shaft seat III 156; an adjustment plate 155; a stopper pin 155a; the convex teeth 155b; a limit step 157; a locking spring 158; the bolt 159 is adjusted.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is provided for the purpose of facilitating and clearly illustrating embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
With reference to fig. 1 to 6, a wedge-lock self-propelled thruster of the present invention is described, comprising: the device comprises wedge-shaped locking devices 10 and a pushing seat 30 which are arranged on a track 1 at intervals, and a pushing oil cylinder 20 arranged between the wedge-shaped locking devices 10 and the pushing seat 30, wherein the pushing oil cylinder 20 is connected with an oil way of a power center 40, and the pushing seat 30 is connected with a large steel structure (not shown in the figure);
the wedge-shaped locking device 10 comprises an oil cylinder reaction frame 15 and a wedge-shaped sliding block 11, the oil cylinder reaction frame 15 is clamped on the track 1, the wedge-shaped sliding block 11 is embedded in a wedge-shaped sliding groove in an inner cavity of the oil cylinder reaction frame 15, the end part of the wedge-shaped sliding block 11 is connected with the pushing oil cylinder 20, and the pushing oil cylinder 20 drives the wedge-shaped sliding block 11 to slide back and forth along the wedge-shaped sliding groove, so that the wedge-shaped locking device 10 is locked or unlocked with the track 1;
in the locking state, the pushing oil cylinder 20 reversely pushes the pushing base 30 to move towards the pushing direction;
in the unlocking state, the pushing cylinder 20 drives the wedge-shaped locking device 10 to move towards the pushing direction.
The track 1 of the present embodiment may be made of H-beam, i-beam or other steel beams for supporting the sliding movement of the large steel structure and the movement and locking of the wedge locking device 10.
The wedge-shaped locking self-propelled pushing device comprises a wedge-shaped locking device 10 and a pushing base 30 which are arranged on a track 1 at intervals, and a pushing oil cylinder 20 arranged between the wedge-shaped locking device 10 and the pushing base, wherein the wedge-shaped locking device 10 comprises an oil cylinder reaction frame 15 and a wedge-shaped sliding block 11, the oil cylinder reaction frame 15 is clamped on the track 1, the wedge-shaped sliding block 11 is embedded in a wedge-shaped sliding groove in an inner cavity of the oil cylinder reaction frame 15, and the pushing oil cylinder 20 drives the wedge-shaped sliding block 11 connected with the pushing oil cylinder to slide back and forth along the wedge-shaped sliding groove, so that the wedge-shaped locking device 10 and the track 1 are locked or unlocked; the wedge-shaped locking self-propelled pushing device changes the friction force between the wedge-shaped locking device 10 and the track 1 by utilizing a wedge-shaped locking mode, thereby realizing the automatic locking and unlocking of the wedge-shaped locking device 10 and the automatic pushing construction of components.
The power center 40 in this embodiment is composed of a hydraulic pump station, an electromagnetic valve, a high-pressure oil pipe and a controller, the controller controls the extension and retraction of the pushing cylinder 20 by controlling the opening and closing of the hydraulic pump station and the electromagnetic valve, and the high-pressure oil pipe is used for communicating the hydraulic pump station and the pushing cylinder 20.
As shown in fig. 2, the cylinder reaction frame 15 includes a box 151 disposed right above the rail 1, and two clamping assemblies disposed on two sides of the box 151 relatively, each clamping assembly includes a wedge-shaped limiting block 152, a main connecting rod 153, a pressing block 154, a first shaft seat 152a, a second shaft seat 154a, and a third shaft seat 156, the wedge-shaped limiting block 152 is embedded in an inner cavity of the box 151, the first shaft seat 152a connected to the wedge-shaped limiting block 152 penetrates through a side wall of the box 151 and is hinged to an end of the main connecting rod 153 disposed outside the box 151, the other end of the main connecting rod 153 extends to a web of the rail 1 and is hinged to the second shaft seat 154a fixedly connected to the pressing block 154, the third shaft seat 156 is located at the bottom of the first shaft seat 152a and is fixedly connected to an outer wall of the box 151, the third shaft seat 156 is hinged to the main connecting rod 153, the two wedge-shaped limiting blocks 152 located in the inner cavity of the box 151 form a wedge-shaped sliding chute, and the wedge-shaped sliding block 11 is matched in shape. The main link 153 is hinged to the wedge-shaped limiting block 152, the box 151 and the pressing block 154 through a first shaft seat 152a, a third shaft seat 156 and a second shaft seat 154a, respectively, when the wedge-shaped slider 11 slides back and forth in the wedge-shaped sliding groove along the extending direction of the rail 1, the wedge-shaped limiting block 152 is pushed by the main link 153 to horizontally move along the direction perpendicular to the rail 1, and the pressing block 154 is pushed by the main link 153 by taking the third shaft seat 156 as a fulcrum to horizontally move in the direction opposite to the direction of the wedge-shaped limiting block 152, so that the pressing block 154 is abutted to or separated from a web plate of the rail 1. Therefore, the locking and unlocking between the wedge-shaped locking device 10 and the rail 1 are realized by converting the horizontal movement of the wedge-shaped slider 11 along the wedge-shaped sliding groove into the horizontal movement of the pressing block 154.
As shown in fig. 2, 5 and 6, the clamping assembly further includes an adjusting plate 155 disposed on a side surface of the pressing block 154, and four adjusting bolts 159 penetrating through the pressing block 154, the pressing block 154 is symmetrically provided with four limiting holes 154b and four threaded holes 154c along a shaft seat two 154a, one side of the adjusting plate 155 away from the web of the rail 1 is provided with four limiting pins 155a corresponding to the limiting holes 154b, and the four limiting pins are used for being inserted into the limiting holes 154b of the pressing block 154 to control the movement of the adjusting plate 155, the four adjusting bolts 159 penetrate through the corresponding threaded holes 154c of the pressing block 154 and abut against the adjusting plate 155, and fine adjustment of the distance between the adjusting plate 155 and the pressing block 154 is achieved by rotating the adjusting bolts 159.
Furthermore, as shown in fig. 5, the adjusting plate 155 is provided with evenly distributed convex teeth 155b on one side close to the web of the rail 1, which is beneficial to improving the friction between the clamping assembly and the web of the rail 1.
As shown in fig. 2 to 4, both sides of the box 151 and the sidewall near the top thrust cylinder 20 are provided with mounting holes communicated with the inner cavity thereof, the cylinder mounting seat penetrates through the mounting holes and is respectively connected with the piston rod and the wedge-shaped slider 11, and the first shaft seat 152a penetrates through a through hole in the sidewall of the box 151 and is respectively connected with the wedge-shaped limiting block 152 and the main connecting rod 153.
As shown in fig. 3 and 4, a pair of limiting steps 157 with rectangular cross sections are symmetrically arranged at the corner of one side of the inner cavity of the box body 151, which is close to the jacking cylinder 20, the end of the wedge-shaped slider 11 is embedded between the two limiting steps 157, the wedge-shaped limiting block 152 is embedded between the limiting steps 157 and the side wall of the box body 151, and the limiting steps 157 are arranged to limit the wedge-shaped slider 11 to translate within a certain distance along the axis of the track 1 and to limit the wedge-shaped limiting block 152 to translate within a certain distance along the direction perpendicular to the axis of the track 1.
With continued reference to fig. 3 and 4, a slider guide section 11a with the same width is arranged at an end portion of the wedge-shaped slider 11 embedded between the two limit steps 157, an outer diameter of the slider guide section 11a is matched with an inner diameter of the limit step 157, so that the wedge-shaped slider 11 is further limited to move horizontally along the length direction of the box body 151, the wedge-shaped slider 11 is guaranteed to slide along the central line of the track 1, and the pushing construction is prevented from being influenced by position deviation in the sliding process.
As shown in fig. 1, the pushing cylinder 20 includes a cylinder body and a piston rod connected to each other, and cylinder mounting seats respectively hinged to the cylinder body and the end of the piston rod, one cylinder mounting seat has another end fixedly connected to the pushing seat 30, the other cylinder mounting seat has another end fixedly connected to the wedge-shaped slider 11, and the other side of the pushing seat 30 is welded to the large steel structure for sliding support and pushing force.
As shown in fig. 3 and fig. 4, the wedge-shaped locking device 10 further includes a plurality of locking springs 158, the side surfaces of the two wedge-shaped limiting blocks 152 are symmetrically provided with a plurality of blind holes along the direction perpendicular to the axis of the rail 1, one end of each locking spring 158 is embedded in the corresponding blind hole, the other end of each locking spring 158 abuts against the side wall of the box body 151, and under the condition that the wedge-shaped slider 11 is not stressed, the wedge-shaped limiting blocks 152 can be automatically separated from the box body 151 under the action of the locking springs 158, so that the wedge-shaped locking device 10 is in an unlocking state.
The self-propelled pushing method of the present invention is described with reference to fig. 1 to 6, and comprises the following steps:
s1: the large-scale steel structure and the two wedge-shaped locking self-propelled thrusters are respectively arranged right above the two parallel rails 1, the wedge-shaped locking devices 10 and the jacking seats 30 are arranged at intervals, the jacking oil cylinders 20 are connected between the two, the jacking seats 30 are connected to the large-scale steel structure, each wedge-shaped locking device 10 comprises an oil cylinder reaction frame 15 and a wedge-shaped sliding block 11, the oil cylinder reaction frame 15 is clamped on the rails 1, one ends of the wedge-shaped sliding blocks 11 are connected to the jacking oil cylinders 20, and the other ends of the wedge-shaped sliding blocks are embedded in wedge-shaped sliding grooves in inner cavities of the oil cylinder reaction frames 15;
s2: an oil path of the pushing oil cylinder 20 is connected, the power center 40 controls the pushing oil cylinder 20 to contract, and the pushing oil cylinder 20 drives the wedge-shaped sliding block 11 to slide along the wedge-shaped sliding groove in the pushing direction, so that the wedge-shaped locking device 10 is in an unlocking state;
s3: the power center 40 controls the pushing oil cylinder 20 to extend, the pushing oil cylinder 20 pushes the wedge-shaped slide block 11 to slide along the wedge-shaped sliding groove in the opposite pushing direction, so that the wedge-shaped locking device 10 is in a locking state, and the pushing oil cylinder 20 pushes the large steel structure to move in the pushing direction in a reverse pushing mode;
s4: after the stroke of the pushing oil cylinder 20 reaches the maximum, the pushing oil cylinder 20 is contracted and drives the wedge-shaped slide block 11 to slide along the wedge-shaped slide groove in the pushing direction, so that the wedge-shaped locking device 10 is in an unlocking state, and the pushing oil cylinder 20 drives the wedge-shaped locking device 10 to move along the track 1 in the pushing direction;
s5: and repeating the steps S3 and S4 until the large steel structure is pushed to the designated position.
According to the self-propelled pushing method, the pushing oil cylinder 20 is contracted to drive the wedge-shaped sliding block 11 to slide along the wedge-shaped sliding groove in the pushing direction, so that the wedge-shaped locking device 10 is in an unlocking state, and the pushing oil cylinder 20 drives the wedge-shaped locking device 10 to move along the track 1 in the pushing direction; extending the pushing oil cylinder 20, pushing the wedge-shaped slide block 11 to slide along the wedge-shaped sliding groove in the opposite pushing direction, so that the wedge-shaped locking device 10 is in a locking state, pushing the member to be pushed to move for a distance of one oil cylinder stroke along the track 1 in the pushing direction by the other end of the pushing oil cylinder 20 in a reverse pushing mode, and repeating the process until the member is pushed to the finger position; the self-propelled pushing method utilizes a wedge-shaped locking mode to change the friction force between the wedge-shaped locking device 10 and the track 1, so that automatic locking and unlocking of the wedge-shaped locking device 10 and automatic pushing construction of components are realized, and manpower and material resource consumption caused by manual locking and unlocking of a moving counter-force seat is avoided, so that the pushing construction efficiency is improved, and the construction safety is ensured.
As shown in fig. 2, a box body 151 of the oil cylinder reaction frame 15 is arranged right above the rail 1, two clamping assemblies are oppositely arranged on two sides of the box body 151, each clamping assembly comprises a wedge-shaped limiting block 152, a main connecting rod 153, a pressing block 154, a first shaft seat 152a, a second shaft seat 154a and a third shaft seat 156, the wedge-shaped limiting block 152 is embedded in an inner cavity of the box body 151, the first shaft seat 152a connected to the wedge-shaped limiting block 152 penetrates through the side wall of the box body 151 and is hinged to the end of the main connecting rod 153 arranged outside the box body 151, the other end of the main connecting rod 153 extends to a web plate of the rail 1 and is hinged to the second shaft seat 154a fixedly connected to the pressing block 154, the third shaft seat 156 is positioned at the bottom of the first shaft seat 152a and is fixedly connected to the outer wall of the box body 151, and the third shaft seat 156 is hinged to the main connecting rod 153; as shown in fig. 4, in step S2, the jacking cylinder 20 contracts to drive the wedge-shaped sliding block 11 to move in the jacking direction, the two wedge-shaped limiting blocks 152 in the inner cavity of the box body 151 move relatively and are separated from the side wall of the box body 151, so that the main link 153 rotates around the shaft seat three 156, the main link 153 drives the pressing blocks 154 on the two sides of the web of the track 1 to move oppositely and are separated from the web, and the wedge-shaped locking device 10 is unlocked; as shown in fig. 3, in step S3, the pushing cylinder 20 extends to push the wedge-shaped slider 11 to move in the opposite direction, the two wedge-shaped limit blocks 152 in the inner cavity of the box 151 move in opposite directions and abut against the side wall of the box 151, so that the main link 153 rotates in opposite directions around the shaft seat three 156, the main link 153 drives the pressing blocks 154 on the two sides of the web of the track 1 to move in opposite directions and clamp the web, and the wedge-shaped locking device 10 is locked.
As shown in fig. 2, in the step S3, four limiting holes 154b and four threaded holes 154c are symmetrically formed in the pressing block 154 along the shaft seat two 154a, an adjusting plate 155 is installed on a side surface of the pressing block 154, four limiting pins 155a on one side of the adjusting plate 155 are embedded into the corresponding four limiting holes 154b of the pressing block 154, adjusting bolts 159 are respectively installed in the four threaded holes 154c of the pressing block 154, and the adjusting bolts 159 are rotated to finely adjust a distance between the adjusting plate 155 and a web of the track 1, so that the adjusting plate 155 is tightly attached to the web of the track 1 but is not tightly pressed, it is ensured that the oil cylinder reaction frame 15 can slide along a central line of the track 1 in an unlocked state, and can rapidly clamp the track 1 in a locked state, thereby providing a powerful support for subsequent pushing construction.
The wedge-shaped locking device 10 further comprises a plurality of locking springs 158, a plurality of blind holes are symmetrically formed in the side faces of the two wedge-shaped limiting blocks 152 along the direction perpendicular to the axis of the track 1, one ends of the locking springs 158 are embedded in the blind holes, and the other ends of the locking springs 158 abut against the side wall of the box body 151; in the steps S1 and S5, when the pushing cylinder 20 is in a non-working state, such as before and after the pushing construction, the wedge-shaped slider 11 is not under the pulling force or pushing force of the pushing cylinder 20, the wedge-shaped limiting block 152 can be automatically separated from the box body 151 under the action of the locking spring 158, so that the wedge-shaped locking device 10 is in an unlocked state, and meanwhile, the wedge-shaped locking device 10 is fastened to the rail 1 by using the clamping assembly, so that the wedge-shaped locking device is prevented from being separated from the rail 1 in the unlocked state to cause a safety accident.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. A wedge-shaped locking self-propelled thrustor is characterized by comprising: the pushing device comprises a wedge-shaped locking device, a pushing seat and a pushing oil cylinder, wherein the wedge-shaped locking device and the pushing seat are arranged on a track at intervals, the pushing oil cylinder is arranged between the wedge-shaped locking device and the pushing seat, and the pushing seat is connected with a member to be pushed;
the wedge-shaped locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, the oil cylinder reaction frame is clamped on the track, the oil cylinder reaction frame comprises a box body arranged right above the track and two clamping components oppositely arranged on two sides of the box body, each clamping component comprises a wedge-shaped limiting block, a main connecting rod, a pressing block, a first shaft seat, a second shaft seat and a third shaft seat, the wedge-shaped limiting blocks are embedded in an inner cavity of the box body, the first shaft seat connected to the wedge-shaped limiting blocks penetrates through the side wall of the box body and is hinged to the end portion of the main connecting rod arranged outside the box body, the other end of the main connecting rod extends to a web of the track and is hinged to the second shaft seat fixedly connected to the pressing block, the third shaft seat is located at the bottom of the first shaft seat and is fixedly connected to the outer wall of the box body, the third shaft seat is hinged to the main connecting rod, the two wedge-shaped limiting blocks located in the inner cavity of the box body form a wedge-shaped sliding groove, the wedge-shaped sliding groove is matched with the shape of the wedge-shaped sliding block, the wedge-shaped sliding block is embedded in the wedge-shaped sliding groove arranged in the inner cavity of the oil cylinder reaction frame, the wedge-shaped sliding block is connected to the pushing oil cylinder, and the pushing cylinder drives the sliding block to drive the wedge-pushing cylinder to slide block to slide along the wedge-locking device to enable the locking device to unlock device or the wedge-unlocking device;
in a locking state, the pushing oil cylinder reversely pushes the pushing seat to move towards the pushing direction;
and in an unlocking state, the pushing oil cylinder drives the wedge-shaped locking device to move towards the pushing direction.
2. The wedge-locking self-propelled jacking device of claim 1, wherein: the clamping assembly further comprises an adjusting plate arranged on the side face of the pressing block and a plurality of adjusting bolts penetrating through the pressing block, a plurality of limiting holes and a plurality of threaded holes are formed in the pressing block along the axle seat bisymmetry, a plurality of limiting pins corresponding to the limiting holes are arranged on one side, away from the rail web, of the adjusting plate, and the adjusting bolts penetrate through the corresponding threaded holes in the pressing block and then abut against the adjusting plate.
3. The wedge-locking self-propelled jacking device of claim 2, wherein: one side of the adjusting plate close to the rail web is provided with uniformly distributed convex teeth.
4. The wedge-locking self-propelled jacking device of claim 1, wherein: the bight symmetry of box inner chamber is equipped with a pair of cross-section and is the spacing step of rectangle, the biggest tip of wedge slider width inlays to be located between two spacing steps, the wedge stopper inlays to be located between spacing step and the box lateral wall.
5. The wedge-locking self-propelled thruster of claim 4, further comprising: the end part of the wedge-shaped sliding block embedded between the two limiting steps is provided with a sliding block guide section, and the sliding block guide section is matched with the cross section of the limiting step.
6. The wedge-locking self-propelled jacking device of claim 1, wherein: the pushing oil cylinder comprises a cylinder body, a piston rod and oil cylinder mounting seats, wherein the cylinder body and the piston rod are connected, the oil cylinder mounting seats are hinged to the end portions of the cylinder body and the piston rod respectively, and the other ends of the two oil cylinder mounting seats are fixedly connected with the pushing seat and the wedge-shaped sliding block respectively.
7. The wedge-locking self-propelled jacking device of claim 1, wherein: the wedge-shaped locking device further comprises a plurality of locking springs, a plurality of blind holes are symmetrically formed in the side faces of the two wedge-shaped limiting blocks in the direction perpendicular to the axis of the track, one ends of the locking springs are embedded in the blind holes, and the other ends of the locking springs are abutted to the side wall of the box body.
8. A self-propelled pushing method is characterized by comprising the following steps:
s1: respectively installing a member to be pushed and at least two wedge-shaped locking self-propelled pushing devices according to any one of claims 1 to 7 above at least two parallel tracks, wherein the wedge-shaped locking devices and the pushing bases are arranged at intervals, the pushing oil cylinders are connected between the wedge-shaped locking devices and the pushing bases, the pushing bases are connected with the member to be pushed, each wedge-shaped locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, each oil cylinder reaction frame is clamped on the track, one end of each wedge-shaped sliding block is connected with each pushing oil cylinder, and the other end of each wedge-shaped sliding block is embedded in a wedge-shaped sliding groove in the inner cavity of each oil cylinder reaction frame;
s2: the pushing oil cylinder contracts to drive the wedge-shaped sliding block to move towards the pushing direction along the wedge-shaped sliding groove, two wedge-shaped limiting blocks of the inner cavity of the oil cylinder reaction frame box body move oppositely and are separated from the side wall of the box body, so that the main connecting rod drives the pressing blocks on two sides of the track web plate to move oppositely and are separated from the track web plate, and the wedge-shaped locking device is unlocked;
s3: the pushing oil cylinder extends to push the wedge-shaped sliding block to move towards the pushing direction along the wedge-shaped sliding groove, two wedge-shaped limiting blocks of an inner cavity of a box body of the oil cylinder reaction frame move oppositely and abut against the side wall of the box body, so that the main connecting rod drives the pressing blocks on two sides of the rail web to move relatively and clamp the rail web, the wedge-shaped locking device is in a locking state, and the pushing oil cylinder pushes the member to be pushed to move towards the pushing direction;
s4: after the stroke of the pushing oil cylinder reaches the maximum, the pushing oil cylinder is contracted and drives the wedge-shaped sliding block to slide along the wedge-shaped sliding groove in the pushing direction, so that the wedge-shaped locking device is in an unlocking state, and the pushing oil cylinder drives the wedge-shaped locking device to move along the track in the pushing direction;
s5: and repeating the steps S3 and S4 until the member to be pushed is pushed to a specified position.
9. The self-propelled jacking method of claim 8, further comprising: in the step S3, an adjusting plate is installed on the side face of a pressing block, a plurality of limiting pins on one side of the adjusting plate are embedded into limiting holes corresponding to the pressing block, adjusting bolts are installed in a plurality of threaded holes of the pressing block respectively, and the adjusting bolts are rotated to finely adjust the distance between the adjusting plate and the track web plate, so that the adjusting plate is tightly attached to the track web plate.
10. The self-propelled jacking method of claim 8, further comprising: the side surfaces of the two wedge-shaped limiting blocks are symmetrically provided with a plurality of blind holes along the direction vertical to the axis of the track, one end of the locking spring is embedded in the blind holes, and the other end of the locking spring is abutted against the side wall of the box body; in the steps S1 and S5, when the pushing cylinder is in a non-working state, the wedge-shaped limiting block is automatically separated from the box body under the action of the locking spring, so that the wedge-shaped locking device is in an unlocking state.
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| CN113550236B (en) * | 2021-07-22 | 2023-04-07 | 山东省路桥集团有限公司 | Automatic continuous walking suspension system and pushing method |
| CN113585102B (en) * | 2021-07-30 | 2023-05-30 | 中交隧道工程局有限公司 | Hanging basket walking pushing device |
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