CN117949306B - Constant-resistance anchor rod large-displacement drawing machine and use method thereof - Google Patents

Abstract

The invention relates to the technical field of anchor rod pulling machines, and discloses a constant-resistance anchor rod large-displacement drawing machine and a use method thereof. The combined type design is adopted, so that equipment is conveniently conveyed into a mining tunnel or a tunnel, an operator can conveniently fix the equipment in the mining tunnel or the tunnel, reinforcement connection is carried out from the top, the bottom and the two ends, the stability of the equipment is improved, the equipment is prevented from shaking in the drawing process, and the drawing safety is improved; meanwhile, the drawing position can be adjusted according to the actual installation position of the anchor rod, the anchor rod drawing test operation with different heights and inclination angles is suitable, the drawing test application range is improved, the difficulty of fixed connection in the drawing test process of an operator is reduced, and the anchor rod drawing test efficiency is improved.

Description

Constant-resistance anchor rod large-displacement drawing machine and use method thereof

Technical Field

The invention relates to the technical field of anchor rod pulling machines, in particular to a constant-resistance anchor rod large-displacement drawing machine and a using method thereof.

Background

In the coal mine roadway support, the anchor rod is the support equipment with the most application and the most consumption. Along with the continuous deepening of the mining depth, the surrounding rock of the roadway often has the characteristic of large deformation, and the characteristics of large deformation of soft rock, large rock burst deformation, large impact deformation and large gas protrusion deformation are particularly shown. But the existing anchor rod has low elongation and cannot adapt to the characteristic of large deformation of surrounding rock of a roadway. When the surrounding rock is deformed greatly, the deformation energy of the surrounding rock of the roadway exceeds the bearable range of the anchor rod due to the large energy in the initial deformation stage, so that the support equipment such as the anchor rod is invalid, and accidents such as roof collapse and collapse of the roadway are caused;

The constant-resistance anchor rod is developed and manufactured on the basis, can automatically extend when the surrounding rock of the roadway is deformed greatly, keeps constant working resistance, absorbs the energy of the surrounding rock through the constant-resistance large deformation, and has good supporting effect under the condition of the large deformation of the surrounding rock so as to ensure the stability of the roadway; the constant-resistance anchor rod is required to be subjected to drawing test operation in the reinforcing process by using the constant-resistance anchor rod, because the inner structure of a mining roadway or tunnel is complex, the reinforcing positions of the constant-resistance anchor rod are different, the inclination angle and the height of the constant-resistance anchor rod are inconsistent, the existing drawing machine cannot effectively carry out drawing test operation on the constant-resistance anchor rod in various states, and meanwhile, the existing drawing machine is inconvenient to install and operate, unstable to install and unfavorable for testing, so that the constant-resistance anchor rod large-displacement drawing machine and the use method thereof are provided.

Disclosure of Invention

The invention provides a constant-resistance anchor rod large-displacement drawing machine and a use method thereof, and aims to solve the technical problems that an existing drawing machine cannot effectively carry out drawing test operation on constant-resistance anchor rods in various states, is inconvenient to install and unstable and is not beneficial to test.

The invention is realized by adopting the following technical scheme: the constant-resistance anchor rod large-displacement drawing machine comprises a front end supporting mechanism, wherein a rear end supporting mechanism is arranged on one side of the front end supporting mechanism, a reinforcing mechanism is connected between the rear end supporting mechanism and the front end supporting mechanism, an auxiliary mechanism is connected on the other side of the rear end supporting mechanism, a collision mechanism is arranged on one side, far away from the rear end supporting mechanism, of the front end supporting mechanism, an adjusting and locking assembly connected with the front end supporting mechanism is arranged at the bottom of the collision mechanism, the adjusting and locking assembly is connected with a drawing mechanism, the front end supporting mechanism is connected with a lifting mechanism for driving the adjusting and locking assembly to lift, and both the rear end supporting mechanism and the front end supporting mechanism are connected with a jacking mechanism;

The adjusting and locking assembly comprises a transverse plate, extension plates are fixedly connected to two ends of the transverse plate, a retainer of a U-shaped structure which is in sliding connection with the front end supporting mechanism is fixedly connected to the extension plates, the retainer is connected with the adjacent lifting mechanism, a locking driving mechanism is in sliding connection with the transverse plate, and a lifting mechanism connected with the drawing mechanism is fixedly connected to the top of the locking driving mechanism.

Through the technical scheme, the front end supporting mechanism and the rear end supporting mechanism are arranged at the position of a mining roadway or tunnel where the constant-resistance anchor rod is arranged in advance, the reinforcing mechanism, the auxiliary mechanism and the collision mechanism are utilized to reinforce and collide, the drawing mechanism is thrown to the front end of the anchor rod by utilizing the adjusting locking assembly according to the specific position and the inclination angle of the anchor rod, the position of the drawing mechanism is adjusted, the drawing mechanism is connected with the anchor rod, and the drawing test operation is carried out by utilizing the drawing mechanism.

As a further improvement of the scheme, the locking driving mechanism comprises a base plate which is in sliding connection with the transverse plate, a sliding hole which is in sliding connection with the transverse plate is penetrated through the base plate, a placing groove which is positioned at the top of the base plate is formed in one side of the opening of the top of the sliding hole, the placing groove is in sliding connection with the lifting mechanism, an extending groove which extends towards the bottom of the sliding hole is formed in the bottom of the placing groove, an extending hole which penetrates through the base plate is formed in the bottom of the extending groove, an adjusting rod is in sliding connection with the extending hole, one end outer ring of the adjusting rod which extends into the extending groove is fixedly connected with a locking plate I which is in clamping connection with the transverse plate, a locking disc is fixedly connected with the top of the adjusting rod, an adapter shaft is movably connected with the inner ring of the top of the locking disc in a sleeved mode, a tray which is in sliding connection with the placing groove is in sliding connection with the outer ring of the adapter shaft, and a poking rod which is in sliding connection with the extending plate bottom of the base plate is in a sleeved mode.

As a further improvement of the scheme, the lifting mechanism comprises a storage plate, the storage plate penetrates through a first sliding groove with a circular arc structure, two groups of first grooves which are symmetrically arranged along the axis of the first sliding groove are formed in the inner side wall of the first sliding groove, first clamping plates with circular arc structures are connected to the first clamping plates in a sliding mode, pull rods with L-shaped structures are fixedly connected to one sides of the first clamping plates, which are mutually far away, of the first clamping plates, a mounting plate with a hollow structure is fixedly connected to the top of the locking driving mechanism, two ends of the first clamping plates are respectively and fixedly connected to one end of the first clamping plates, a first rotating shaft which is movably sleeved with the mounting plate is fixedly connected to one end outer ring of the first rotating shaft, a first sleeve ring which is fixedly connected with the first clamping rods along the length direction of the first rotating shaft is sleeved with the first rotating shaft, a second sleeve ring is movably sleeved with the second sleeve ring, second clamping rods are hinged to the bottom of the second sleeve ring, a first pushing plate fixedly connected with the second clamping plates in a hinged mode between the bottoms of the second groups of the second clamping rods, locking rings are respectively and the first annular structures, which are fixedly connected to the mounting plates, one sides of the second sleeve rings are respectively, which are mutually close to one sides of the second sleeve rings are fixedly connected to one.

By the technical scheme, the nut at the end part of the poking rod is unscrewed, then the poking rod is pressed downwards, and the unlocking operation is carried out on the adjusting locking assembly;

when the base plate is unlocked, the toggle rod moves downwards, the adjusting rod moves downwards, then the first locking plate and the first locking plate move downwards, the first locking plate is not clamped with the transverse plate, the first locking plate is not clamped with the tray, the position of the base plate on the transverse plate can be adjusted, and meanwhile the tray can rotate along the placing groove;

When the locking plate moves downwards, the transfer shaft moves downwards to drive the push plate I to move downwards, then the push plate I drives the pull rod II to move, the pull rod II drives the lantern ring II on the pull rod II to move along the axis direction of the rotating shaft, then the lantern ring I moves along with the pull rod II, the lantern ring I is not clamped with the locking ring, meanwhile, the lantern ring I drives the pull rod I to move, the clamping plate I at one end part of the pull rod is not clamped with the main body on the drawing mechanism, at the moment, the main body is pushed to slide along the length direction of the main body, the position of the main body on the storage plate is adjusted, so that the front and back positions of the main body are adjusted, then the main body is pushed, when the storage plate and the rotating shaft I rotate, the inclination angle of the main body in the up and down direction is adjusted, and the inclination angle of the main body in the left and right direction is adjusted when the tray rotates.

As a further improvement of the scheme, the drawing mechanism comprises a main body with a circular arc structure, one end of the main body is fixedly connected with an end cover plate, a hydraulic cylinder fixedly connected with the end cover plate is arranged in the main body, the output end of the hydraulic cylinder is fixedly connected with a push-pull plate which is in sliding connection with the inner side wall of the main body, the other end of the push-pull plate is fixedly connected with a storage cylinder, the other end of the storage cylinder is in sliding connection with a piston rod in a sleeved mode, one end of the piston rod extending out of the storage cylinder is fixedly connected with an anchor rod connecting plate, and one end of the piston rod extending into the storage cylinder is fixedly connected with a piston plate which is in sliding connection with the storage cylinder.

Through above-mentioned technical scheme, when guaranteeing that main part and stock are in parallel state with main part adjustment to suitable position, be connected stock and stock connecting plate with the stock, utilize the pneumatic cylinder drive to carry out the drawing test operation afterwards.

As the further improvement of above-mentioned scheme, front end supporting mechanism includes two sets of parallel arrangement's stand, the inside rigid coupling of two sets of stands has the baffle, the baffle activity has cup jointed the screw rod, the screw rod bottom is connected with climbing mechanism, screw rod top screw thread has cup jointed the ejector pin with stand sliding connection, the one end that the ejector pin stretches out the stand top has slidingly cup jointed the spin, the one end rigid coupling that the spin stretches out the ejector pin top has the swinging arms, swinging arms top rigid coupling has the clamp plate, the equal rigid coupling of one side that two sets of stands are close to each other has the guide board with holder sliding connection, the adjacent both sides lateral wall rigid coupling of stand and guide board has the joint strip of T type structure, and joint strip and adjacent strengthening mechanism and conflict mechanism joint, rear end supporting mechanism and front end supporting mechanism structure are unanimous.

Through above-mentioned technical scheme, throw into the stand and wait the position of installing, then rotate rotary rod one on the climbing mechanism, under bevel gear one and bevel gear two's effect, the screw rod rotates, drives the ejector pin upward movement, the clamp plate at ejector pin top is contradicted with the top surface in mining tunnel or tunnel, fixes the stand between mining tunnel or tunnel top and bottom.

As a further improvement of the scheme, the reinforcing mechanism comprises a middle connecting shaft, reinforcing rods which are distributed in an X shape are movably sleeved on the outer ring of the middle connecting shaft, and the two ends of each reinforcing rod are hinged with a first connecting mechanism which is connected with the rear end supporting mechanism and/or the front end supporting mechanism;

The auxiliary mechanism comprises a second connecting mechanism connected with the rear end supporting mechanism, the second connecting mechanism is hinged with an inclined strut, and the other end of the inclined strut is hinged with a reinforcing plate;

the abutting mechanism comprises a supporting shaft, an abutting roller is movably sleeved on the outer ring of the supporting shaft, two groups of abutting rods which are distributed in a V shape are hinged to the outer ring of the supporting shaft, and a connecting mechanism III connected with the front end supporting mechanism is hinged to the other ends of the two groups of abutting rods.

As a further improvement of the scheme, the second connecting mechanism comprises a connecting seat which is hinged with the diagonal brace and has a U-shaped structure, two ends of the other side of the connecting seat are fixedly connected with side baffles, an adjusting shaft is movably sleeved between the two groups of side baffles, two groups of plugboards with L-shaped structures which are sleeved with the adjusting shaft through threads are arranged between the two groups of side baffles, the plugboards are in sliding connection with the connecting seat, and the first connecting mechanism is consistent with the second connecting mechanism and the third connecting mechanism.

According to the technical scheme, the reinforcing mechanism is put in between the rear end supporting mechanism and the front end supporting mechanism, and the state of the reinforcing mechanism is adjusted, so that the first connecting mechanism at the end part of the reinforcing mechanism is clamped with the clamping strip on the upright post; when in clamping, the plug boards are placed on two sides of the clamping strip, the adjusting shafts are rotated, under the action of threads, the two groups of plug boards move towards directions close to each other, then the clamping grooves II of the plug parts on the plug boards are clamped with the clamping grooves II of the clamping parts on the clamping strip, so that the reinforcing connection between the reinforcing mechanism and the rear end supporting mechanism and the front end supporting mechanism is realized, the auxiliary mechanism is arranged on the rear end supporting mechanism in the same way, and the reinforcing plate is fixed at the bottom of a mining tunnel or tunnel by bolts for reinforcing and supporting; utilize the same mode to install conflict mechanism at front end supporting mechanism front end, conflict roller and mining tunnel or tunnel tip side on the conflict mechanism are contradicted, when carrying out the pull test, and conflict mechanism and auxiliary mechanism support the reinforcement from both ends around respectively, ensure the stability of equipment.

As a further improvement of the scheme, the jacking mechanism comprises a first rotating rod movably sleeved with the rear end supporting mechanism and/or the front end supporting mechanism, one end of the first rotating rod extending into the rear end supporting mechanism and/or the front end supporting mechanism is fixedly connected with a first bevel gear, and one side of the first bevel gear is meshed with a second bevel gear connected with the rear end supporting mechanism and/or the front end supporting mechanism.

As a further improvement of the scheme, the lifting mechanism comprises a second rotating rod movably sleeved with the front end supporting mechanism, a third bevel gear is fixedly connected to the other end of the second rotating rod, a fourth bevel gear is meshed with one side of the third bevel gear, a second screw rod positioned inside the retainer is fixedly sleeved on the fourth bevel gear, bearing seats fixedly connected with the front end supporting mechanism are movably sleeved at two ends of the second screw rod, and a driving plate fixedly connected with the retainer is sleeved on the outer ring thread of the screw rod.

The application method of the constant-resistance anchor rod large-displacement drawing machine comprises the following steps:

s1, determining the height and the inclination direction of the end part of a constant-resistance anchor rod, and determining the installation position when a drawing test is performed;

s2, fixedly mounting the drawing mechanism at a preset position;

s3, adjusting the height position and the inclined position of the drawing mechanism by utilizing the lifting mechanism and the adjusting and locking assembly, so as to be convenient for butting with the constant-resistance anchor rod;

and S4, connecting the drawing mechanism with a preset constant-resistance anchor rod and carrying out drawing test operation.

Compared with the prior art, the invention has the beneficial effects that:

the combined type device is convenient to convey the device into the mining tunnel or the tunnel, is convenient for operators to fix the device into the mining tunnel or the tunnel, is connected with the top and the bottom and two ends in a reinforcing way, improves the stability of the device, and is placed in the drawing process to shake the device, so that the drawing safety is improved.

According to the invention, the drawing position can be adjusted according to the actual installation position of the anchor rod, the anchor rod drawing test operation of different heights and inclined angles is suitable, the application range of the drawing test is improved, the difficulty of fixed connection in the drawing test process of operators is reduced, and the efficiency of the anchor rod drawing test is improved.

Drawings

FIG. 1 is a schematic diagram of a constant-resistance anchor rod large-displacement drawing machine provided by the invention;

FIG. 2 is a schematic diagram of the distribution of the locking drive mechanism and the lifting mechanism provided by the invention;

FIG. 3 is a schematic view of an adjustment locking assembly according to the present invention;

FIG. 4 is a schematic structural diagram of a substrate according to the present invention;

FIG. 5 is a schematic view showing the distribution of the adjusting lever, the first locking plate, the locking plate and the adapter shaft;

FIG. 6 is a schematic view of a cage according to the present invention;

FIG. 7 is a schematic structural diagram of a first rotary shaft according to the present invention;

FIG. 8 is a schematic structural view of a front end support mechanism according to the present invention;

FIG. 9 is a schematic diagram of a second engagement mechanism according to the present invention;

fig. 10 is a schematic structural view of a drawing mechanism provided by the present invention;

Fig. 11 is a schematic structural diagram of a main body provided by the present invention.

Reference numerals:

The device comprises a front end supporting mechanism, a rear end supporting mechanism, a3 reinforcing mechanism, a 4 auxiliary mechanism, a 5 abutting mechanism, a 6 adjusting locking assembly, a 7 drawing mechanism, an 8 jacking mechanism, a 9 lifting mechanism, an 11 upright post, a 12 clamping bar, a 13 guide plate, a 14 baffle plate, a 15 screw rod, a 16 ejector rod, a 17 rolling ball, a 18 swinging rod, a 19 pressing plate, a 21 extending plate, a 22 transverse plate, a 23 retainer, a 24 locking driving mechanism, a 25 lifting mechanism, a 31 base plate, a 32 sliding hole, a 33 placing groove, a 34 extending groove, a 35 extending hole, a 36 adjusting rod, a 37 locking plate, a 38 locking plate, a 39 switching shaft, a 310 tray, a 311 toggle rod, a 41 mounting plate, a 42 storage plate, a 43 rotating shaft, a 45 clamping plate, a 46 pull rod, a 47 lantern ring, a 48 lantern ring, a 49 pull rod, a 410 push plate, a 411 locking ring, a 51 connecting seat, a 52 adjusting shaft, a 53 inserting plate, a 71 main body, a 72 end cover plate, a 73 hydraulic cylinder, a 74 plate, a 75 storage cylinder, a 76 piston rod and a 77 connecting plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Example 1

Referring to fig. 1-11, the constant-resistance anchor rod large-displacement drawing machine of the present embodiment includes a front end supporting mechanism 1, a rear end supporting mechanism 2 is installed on one side of the front end supporting mechanism 1, a reinforcing mechanism 3 is connected between the rear end supporting mechanism 2 and the front end supporting mechanism 1, an auxiliary mechanism 4 is connected on the other side of the rear end supporting mechanism 2, a collision mechanism 5 is installed on one side of the front end supporting mechanism 1 far away from the rear end supporting mechanism 2, an adjusting and locking assembly 6 connected with the front end supporting mechanism 1 is installed at the bottom of the collision mechanism 5, a drawing mechanism 7 is connected with the adjusting and locking assembly 6, a lifting mechanism 9 for driving the adjusting and locking assembly 6 to lift is connected with the front end supporting mechanism 1, and jacking mechanisms 8 are connected with the rear end supporting mechanism 2 and the front end supporting mechanism 1;

The adjusting and locking assembly 6 comprises a transverse plate 22, extension plates 21 are fixedly connected to two ends of the transverse plate 22, a retainer 23 of a U-shaped structure which is in sliding connection with the front end supporting mechanism 1 is fixedly connected to the extension plates 21, the retainer 23 is connected with the adjacent lifting mechanism 9, a locking driving mechanism 24 is connected to the transverse plate 22 in a sliding manner, and a lifting mechanism 25 connected with the drawing mechanism 7 is fixedly connected to the top of the locking driving mechanism 24.

The locking driving mechanism 24 comprises a base plate 31 which is slidably connected with the transverse plate 22, the base plate 31 penetrates through a sliding hole 32 which is slidably sleeved with the transverse plate 22, a placing groove 33 which is arranged at the top of the base plate 31 is formed in one side of the opening of the top of the sliding hole 32, the placing groove 33 is slidably sleeved with the lifting mechanism 25, an extending groove 34 which extends towards the bottom of the sliding hole 32 is formed in the bottom of the placing groove 33, an extending hole 35 which penetrates through the base plate 31 is formed in the bottom of the extending groove 34, an adjusting rod 36 is slidably sleeved in the extending hole 35, a locking plate 37 which is fixedly connected with the transverse plate 22 is fixedly connected with one outer ring of one end of the adjusting rod 36 extending into the extending groove 34, a locking disc 38 is fixedly connected with the top of the adjusting rod 36, a transfer shaft 39 is movably sleeved with the inner ring of the top of the locking disc 38, a tray 310 which is slidably sleeved with the placing groove 33 is slidably sleeved with the outer ring of the transfer shaft 39, and one end of the adjusting rod 36 extending out of the bottom of the base plate 31 is slidably sleeved with the locking disc 38.

The lifting mechanism 25 comprises a storage plate 42, a first chute with a circular arc structure penetrates through the storage plate 42, two groups of first grooves which are symmetrically arranged along the axis of the first chute are formed in the inner side wall of the first chute, first clamping plates 45 with circular arc structures are connected to the first grooves in a sliding mode, first pull rods 46 with L-shaped structures are fixedly connected to the sides, which are far away from each other, of the first clamping plates 45, of the storage plate 42, a mounting plate 41 with a hollow structure is fixedly connected to the top of a tray 310 of the locking driving mechanism 24 in a sliding mode, a first rotating shaft 43 which is movably sleeved with the mounting plate 41 is fixedly connected to two sides of the storage plate 42, a first lantern ring 48 which is fixedly connected to the first pull rods 46 in a sliding mode is sleeved on the outer ring of one end, which extends into the mounting plate 41, a second lantern ring 47 is movably sleeved on the outer ring of the first lantern ring, second lantern rings 47 are hinged to the bottoms of the second lantern rings, first push plates 410 are hinged to the bottoms of the second lantern rings 47, first push plates 411 are hinged to the bottoms of the second groups of the second pull rods 49, first push plates 410 fixedly connected to the tops of the transfer shafts 39 of the lifting mechanism 25 are hinged to the bottoms of the first connecting shafts 411, locking rings with annular structures fixedly connected to the first lantern rings 48 are fixedly connected to the first lantern rings, and the first lantern rings 48 are fixedly connected to the mounting plates.

The implementation principle of the constant-resistance anchor rod large-displacement drawing machine and the application method thereof in the embodiment of the application is as follows: the front end supporting mechanism 1 and the rear end supporting mechanism 2 are arranged at the position of a mining roadway or tunnel where a constant-resistance anchor rod is arranged in advance, the reinforcement mechanism 3, the auxiliary mechanism 4 and the collision mechanism 5 are utilized for reinforcement and collision, the drawing mechanism 7 is thrown to the front end of the anchor rod by utilizing the adjusting locking assembly 6 according to the specific position and the inclination angle of the anchor rod, the position of the drawing mechanism 7 is adjusted, the drawing mechanism 7 is connected with the anchor rod, and the drawing test operation is carried out by utilizing the drawing mechanism 7.

Example 2

The further improvement of this embodiment on the basis of embodiment 1 is that: the drawing mechanism 7 comprises a main body 71 with a circular arc structure, the main body 71 is in sliding connection with the storage plate 42, an end cover plate 72 is fixedly connected to one end of the main body 71, a hydraulic cylinder 73 fixedly connected with the end cover plate 72 is installed in the main body 71, a push-pull plate 74 in sliding connection with the inner side wall of the main body 71 is fixedly connected to the output end of the hydraulic cylinder 73, a storage cylinder 75 is fixedly connected to the other end of the push-pull plate 74, a piston rod 76 is sleeved on the other end of the storage cylinder 75 in a sliding manner, an anchor rod connecting plate 77 is fixedly connected to one end of the piston rod 76 extending out of the storage cylinder 75, a piston plate in sliding connection with the storage cylinder 75 is fixedly connected to one end of the piston rod 76 extending into the storage cylinder 75, a pressure gauge is connected to the storage cylinder 75, limiting grooves 78 are formed in the outer side walls of two sides of the main body 71 along the length direction of the limiting grooves 78, clamping teeth I are formed in one side of the inner side of the limiting grooves along the length direction, and clamping grooves I45 are formed in clamping grooves which are clamped with the clamping grooves I.

Example 3

The further improvement of this embodiment on the basis of embodiment 1 is that: the front end supporting mechanism 1 comprises two groups of upright posts 11 which are arranged in parallel, a baffle 14 is fixedly connected inside the two groups of upright posts 11, a screw rod 15 is movably sleeved at the baffle 14, the bottom of the screw rod 15 is connected with the jacking mechanism 8, a push rod 16 which is in sliding connection with the upright posts 11 is sleeved at the top of the screw rod 15 in a threaded manner, a rolling ball 17 is slidably sleeved at one end of the top of the push rod 16, a swinging rod 18 is fixedly connected at one end of the top of the rolling ball 17, a pressing plate 19 is fixedly connected at the top of the swinging rod 18, guide plates 13 which are in sliding connection with a retainer 23 are fixedly connected at one sides of the two groups of upright posts 11, a clamping strip 12 of a T-shaped structure is fixedly connected at two side outer side walls of the upright posts 11 adjacent to the guide plates 13, the clamping strip 12 is in clamping connection with the adjacent reinforcing mechanism 3 and the abutting mechanism 5, and the rear end supporting mechanism 2 is consistent with the front end supporting mechanism 1 in structure.

The clamping strip 12 comprises a connecting part fixedly connected with the upright post 11 and a clamping part fixedly connected with the other end of the connecting part, and a clamping groove II arranged along the length direction of the clamping part is formed in one side, close to the connecting part, of the clamping part.

Example 4

The reinforcing mechanism 3 comprises a middle connecting shaft, reinforcing rods which are distributed in an X shape are movably sleeved on the outer ring of the middle connecting shaft, and the two ends of each reinforcing rod are hinged with a first connecting mechanism which is connected with the rear end supporting mechanism 2 and/or the front end supporting mechanism 1;

the auxiliary mechanism 4 comprises a second connecting mechanism connected with the rear end supporting mechanism 2, the second connecting mechanism is hinged with an inclined strut, and the other end of the inclined strut is hinged with a reinforcing plate;

the abutting mechanism 5 comprises a supporting shaft, an abutting roller is movably sleeved on the outer ring of the supporting shaft, two groups of abutting rods which are distributed in a V shape are hinged to the outer ring of the supporting shaft, and a connecting mechanism III connected with the front end supporting mechanism 1 is hinged to the other ends of the two groups of abutting rods.

The second connecting mechanism comprises a connecting seat 51 which is hinged with the diagonal bracing and has a U-shaped structure, side baffles are fixedly connected at two ends of the other side of the connecting seat 51, an adjusting shaft 52 is movably sleeved between the two groups of side baffles, two groups of plug boards 53 which are in an L-shaped structure and are in threaded sleeve connection with the adjusting shaft 52 are installed between the two groups of side baffles, the plug boards 53 are in sliding connection with the connecting seat 51, the first connecting mechanism is consistent with the second connecting mechanism and the third connecting mechanism in structure, the plug boards 53 comprise a holding part which is in sliding connection with the connecting seat 51 and a plug part which is fixedly connected with the holding part, and clamping teeth II are fixedly connected on one side of the plug part close to the holding part and are clamped with clamping grooves II.

Example 5

The jacking mechanism 8 comprises a first rotating rod which is movably sleeved with the rear end supporting mechanism 2 and/or the upright post 11 of the front end supporting mechanism 1, one end of the first rotating rod, which extends into the rear end supporting mechanism 2 and/or the upright post 11 of the front end supporting mechanism 1, is fixedly connected with a first bevel gear, and one side of the first bevel gear is meshed with a second bevel gear which is connected with the rear end supporting mechanism 2 and/or the screw rod 15 of the front end supporting mechanism 1.

Example 6

The lifting mechanism 9 comprises a rotary rod II movably sleeved with the upright post 11 of the front end supporting mechanism 1, a bevel gear III is fixedly connected to the other end of the rotary rod II, a bevel gear IV is meshed with one side of the bevel gear III, a screw rod II positioned in the retainer 23 is fixedly sleeved on the bevel gear IV, bearing seats fixedly connected with the upright post 11 of the front end supporting mechanism 1 are movably sleeved at two ends of the screw rod II, and a driving plate fixedly connected with the retainer 23 is sleeved on the outer ring threads of the screw rod.

Example 7

The bottom of the transverse plate 22 is provided with a clamping groove III arranged along the length direction, the top of the first locking plate 37 is fixedly connected with a clamping tooth III arranged along the length direction, the clamping tooth III is clamped with the clamping groove III, and the bottom of the first locking plate 37 is fixedly connected with a spring fixedly connected with the inner side wall of the bottom of the extension groove 34;

The bottom of the tray 310 is provided with a clamping groove IV distributed along the axis array, the top of the locking disc 38 is fixedly connected with a clamping tooth IV distributed along the axis array, and the clamping tooth IV is clamped with the clamping groove IV;

one side of the first sleeve ring 48 of the two groups, which is close to each other, is provided with a clamping groove five distributed along the axial direction of the first sleeve ring, and the locking ring 411 is fixedly connected with a clamping tooth five distributed along the axial direction of the first sleeve ring, and the clamping tooth five is clamped with the clamping groove five;

One side of the two groups of mounting plates 41, which is close to each other, is provided with an extending channel of a circular arc structure which is coaxially arranged with the first rotating shaft 43, and the extending channel is in sliding connection with the first pull rod 46;

The extension board 21 runs through the guide way that has along vertical direction setting, guide way and stirring rod 311 sliding connection, stirring rod 311 tip screw thread cup joint with the nut of extension board 21 conflict, the top and the bottom between two sets of stand 11 all rigid coupling have the reinforcement horizontal pole.

Example 8

The application method of the constant-resistance anchor rod large-displacement drawing machine comprises the following steps:

s1, determining the height and the inclination direction of the end part of a constant-resistance anchor rod, and determining the installation position when a drawing test is performed;

S2, fixedly mounting the drawing mechanism 7 at a preset position;

S3, adjusting the height position and the inclined position of the drawing mechanism 7 by using the lifting mechanism 9 and the adjusting and locking assembly 6, so as to be convenient for butting with the constant-resistance anchor rod;

And S4, connecting the drawing mechanism 7 with a preset constant-resistance anchor rod and carrying out drawing test operation.

Working principle:

when a constant-resistance anchor rod large-displacement drawing test is carried out, detecting the height and the inclination direction of the end part of the anchor rod in advance according to the installation position of the anchor rod, determining the installation position when the drawing test is carried out, installing a front end supporting mechanism 1 and a rear end supporting mechanism 2 at the position of a mining tunnel or a tunnel where the constant-resistance anchor rod is installed in advance, reinforcing and abutting by utilizing a reinforcing mechanism 3, an auxiliary mechanism 4 and an abutting mechanism 5, then throwing a drawing mechanism 7 to the front end of the anchor rod by utilizing an adjusting and locking assembly 6 according to the specific position and the inclination angle of the anchor rod, adjusting the position of the drawing mechanism 7, connecting the drawing mechanism 7 with the anchor rod, and then carrying out the drawing test operation by utilizing the drawing mechanism 7;

When the vertical column 11 is fixed, the vertical column 11 is put into a position to be installed, then a rotary rod I on the jacking mechanism 8 is rotated, a screw rod 15 is rotated under the action of a bevel gear I and a bevel gear II to drive a push rod 16 to move upwards, a pressing plate 19 at the top of the push rod 16 is abutted against the top surface of a mining tunnel or tunnel, the vertical column 11 is fixed between the top and the bottom of the mining tunnel or tunnel, a reinforcing mechanism 3 is put between a rear end supporting mechanism 2 and a front end supporting mechanism 1, and the state of the reinforcing mechanism 3 is adjusted to enable a connection mechanism I at the end part of the reinforcing mechanism 3 to be clamped with a clamping strip 12 on the vertical column 11; during clamping, the plug boards 53 are placed on two sides of the clamping strip 12, the adjusting shafts 52 are rotated, the two groups of plug boards 53 move towards each other under the action of threads, then the clamping grooves II of the plug parts on the plug boards 53 are clamped with the clamping grooves II of the clamping parts on the clamping strip 12, so that the reinforcing connection between the reinforcing mechanism 3 and the rear end supporting mechanism 2 and the front end supporting mechanism 1 is realized, the auxiliary mechanism 4 is installed on the rear end supporting mechanism 2 in the same way, and the reinforcing plate is fixed at the bottom of a mining roadway or tunnel for reinforcing and supporting by bolts; the abutting mechanism 5 is arranged at the front end of the front end supporting mechanism 1 in the same way, abutting rollers on the abutting mechanism 5 abut against the side surface of the end part of the mining tunnel or the tunnel, and when a drawing test is carried out, the abutting mechanism 5 and the auxiliary mechanism 4 support and reinforce equipment from the front end and the rear end respectively, so that the stability of the equipment is ensured;

When the position of the drawing mechanism 7 is adjusted, firstly, the lifting mechanism 9 is utilized to adjust the adjusting and locking assembly 6 to a proper height position by utilizing the same principle of the jacking mechanism 8, then the nut at the end part of the poking rod 311 is unscrewed, and then the poking rod 311 is pressed downwards to unlock the adjusting and locking assembly 6;

When unlocking, as the toggle rod 311 moves downwards, the adjusting rod 36 moves downwards, then the first locking plate 37 and the locking disc 38 move downwards, the first locking plate 37 is not clamped with the transverse plate 22, the locking disc 38 is not clamped with the tray 310, the position of the base plate 31 on the transverse plate 22 can be adjusted, and the tray 310 can rotate along the placing groove 33;

When the locking disc 38 moves downwards, the transfer shaft 39 moves downwards to drive the push plate I410 to move downwards, then the push plate I410 drives the pull rod II 49 to move, the pull rod II 49 drives the lantern ring II 47 on the push rod II to move along the axis direction of the rotating shaft I43, then the lantern ring I48 moves along with the push rod II, the lantern ring I48 is not clamped with the locking ring 411, meanwhile, the lantern ring I48 drives the pull rod I46 to move, the clamping plate I45 at the end part of the pull rod I46 is not clamped with the main body 71 on the drawing mechanism 7, at the moment, the main body 71 is pushed to slide along the length direction, the position of the main body 71 on the storage plate 42 is adjusted, the front and rear positions of the main body 71 are adjusted, then the main body 71 is pushed, when the storage plate 42 and the rotating shaft I43 rotate, the inclination angle of the main body 71 in the up and down direction is adjusted, and the inclination angle of the main body 71 in the left and right directions is adjusted when the tray 310 rotates;

When the main body 71 is adjusted to a proper position to ensure that the main body 71 and the anchor rod are in a parallel state, the anchor rod is connected with an anchor rod connecting plate 77, and then a drawing test operation is performed by driving by a hydraulic cylinder 73;

The combined type design is adopted, so that equipment is conveniently conveyed into a mining roadway or a tunnel, an operator can conveniently fix the equipment in the mining roadway or the tunnel, reinforcement connection is carried out from the top, the bottom and two ends, the stability of the equipment is improved, equipment shaking in the drawing process is prevented, and the drawing safety is improved; meanwhile, the drawing position can be adjusted according to the actual installation position of the anchor rod, the anchor rod drawing test operation with different heights and inclination angles is suitable, the drawing test application range is improved, the difficulty of fixed connection in the drawing test process of an operator is reduced, and the anchor rod drawing test efficiency is improved.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (8)

1. The constant-resistance anchor rod large-displacement drawing machine is characterized by comprising a front end supporting mechanism, wherein a rear end supporting mechanism is arranged on one side of the front end supporting mechanism, a reinforcing mechanism is connected between the rear end supporting mechanism and the front end supporting mechanism, an auxiliary mechanism is connected on the other side of the rear end supporting mechanism, a collision mechanism is arranged on one side, far away from the rear end supporting mechanism, of the front end supporting mechanism, an adjusting and locking assembly connected with the front end supporting mechanism is arranged at the bottom of the collision mechanism, the adjusting and locking assembly is connected with a drawing mechanism, and the front end supporting mechanism is connected with a lifting mechanism for driving the adjusting and locking assembly to lift;

the adjusting and locking assembly comprises a transverse plate, extension plates are fixedly connected to two ends of the transverse plate, a retainer of a U-shaped structure which is in sliding connection with the front end supporting mechanism is fixedly connected to the extension plates, the retainer is connected with the adjacent lifting mechanism, a locking driving mechanism is in sliding connection with the transverse plate, and a lifting mechanism connected with the drawing mechanism is fixedly connected to the top of the locking driving mechanism;

The locking driving mechanism comprises a base plate which is in sliding connection with the transverse plate, a sliding hole which is in sliding connection with the transverse plate is penetrated through the base plate, a placing groove which is positioned at the top of the base plate is formed in one side of the opening of the top of the sliding hole, the placing groove is in sliding connection with the lifting mechanism, an extending groove which extends towards the bottom of the sliding hole is formed in the bottom of the placing groove, an extending hole which penetrates through the base plate is formed in the bottom of the extending groove, an adjusting rod is in sliding connection with the extending hole in a sliding manner, one end outer ring of the adjusting rod which extends into the extending groove is fixedly connected with a locking plate I which is in clamping connection with the transverse plate, the top of the adjusting rod is fixedly connected with a locking disc, an adapter shaft is movably connected with the inner ring at the top of the locking disc in a sliding manner, a tray which is in sliding connection with the placing groove is in sliding connection with the outer ring of the adapter shaft, and a poking rod which is in sliding connection with the extending plate is in sliding connection with the end of the adjusting rod which extends out of the base plate;

The lifting mechanism comprises a storage plate, wherein the storage plate penetrates through a first sliding groove with a circular arc structure, two groups of first grooves are symmetrically arranged along the axis of the first sliding groove, first clamping plates with circular arc structures are connected to the first grooves in a sliding mode, pull rods with L-shaped structures are fixedly connected to one sides of the first clamping plates, which are mutually far away, of the first clamping plates, a mounting plate with a hollow structure is fixedly connected to the top of the locking driving mechanism in a sliding mode, rotating shafts I are fixedly connected to two sides of the storage plate, movably sleeved with the mounting plate, one end outer ring of the rotating shaft I stretches into the mounting plate in a sliding mode, sleeve rings I are fixedly connected with the first clamping rods in a sliding mode, sleeve rings II are movably sleeved with the second outer ring of the sleeve rings, pull rods II are hinged to the bottoms of the second clamping plates, locking rings with annular structures fixedly connected with the lifting mechanism are hinged to the bottoms of the second clamping plates, locking rings are fixedly connected to one sides of the second clamping rings in a sliding mode, and the locking rings are fixedly connected with the first clamping rings.

2. The constant-resistance anchor rod large-displacement drawing machine according to claim 1, wherein the drawing mechanism comprises a main body with a circular arc structure, one end of the main body is fixedly connected with an end cover plate, a hydraulic cylinder fixedly connected with the end cover plate is installed inside the main body, the output end of the hydraulic cylinder is fixedly connected with a push-pull plate which is in sliding connection with the inner side wall of the main body, the other end of the push-pull plate is fixedly connected with a storage cylinder, the other end of the storage cylinder is in sliding connection with a piston rod, one end of the piston rod extending out of the storage cylinder is fixedly connected with an anchor rod connecting plate, and one end of the piston rod extending into the storage cylinder is fixedly connected with a piston plate which is in sliding connection with the storage cylinder.

3. The constant-resistance anchor rod large-displacement drawing machine according to claim 1, wherein the front end supporting mechanism comprises two groups of upright posts which are arranged in parallel, a baffle is fixedly connected inside the two groups of upright posts, a screw rod is movably sleeved on the baffle, the bottom of the screw rod is connected with the jacking mechanism, a push rod which is in sliding connection with the upright posts is sleeved on threads at the top of the screw rod, a rolling ball is sleeved on one end of the push rod extending out of the top of the upright post in a sliding manner, a swinging rod is fixedly connected at the top of the swinging rod, a pressing plate is fixedly connected at the top of the swinging rod, guide plates which are in sliding connection with a retainer are fixedly connected at one side, which is close to each other, of the two groups of upright posts, a clamping strip of a T-shaped structure is fixedly connected with two side outer side walls of each upright post, which are adjacent to the guide plates, and the clamping strip is clamped with adjacent reinforcing mechanisms and abutting mechanisms, and the rear end supporting mechanism is consistent with the front end supporting mechanism.

4. The constant-resistance anchor rod large-displacement drawing machine according to claim 1, wherein the reinforcing mechanism comprises a middle connecting shaft, reinforcing rods distributed in an X shape are movably sleeved on the outer ring of the middle connecting shaft, and two ends of each reinforcing rod are hinged with a first connecting mechanism connected with a rear end supporting mechanism and/or a front end supporting mechanism;

The auxiliary mechanism comprises a second connecting mechanism connected with the rear end supporting mechanism, the second connecting mechanism is hinged with an inclined strut, and the other end of the inclined strut is hinged with a reinforcing plate;

the abutting mechanism comprises a supporting shaft, an abutting roller is movably sleeved on the outer ring of the supporting shaft, two groups of abutting rods which are distributed in a V shape are hinged to the outer ring of the supporting shaft, and a connecting mechanism III connected with the front end supporting mechanism is hinged to the other ends of the two groups of abutting rods.

5. The constant-resistance anchor rod large-displacement drawing machine according to claim 4, wherein the second connecting mechanism comprises a connecting seat with a U-shaped structure hinged with the diagonal brace, two ends of the other side of the connecting seat are fixedly connected with side baffles, an adjusting shaft is movably sleeved between the two groups of side baffles, two groups of plugboards with L-shaped structures sleeved with the adjusting shaft in a threaded mode are installed between the two groups of side baffles, the plugboards are in sliding connection with the connecting seat, and the first connecting mechanism is consistent with the second connecting mechanism and the third connecting mechanism in structure.

6. The constant-resistance anchor rod large-displacement drawing machine according to claim 1, wherein the jacking mechanism comprises a first rotating rod movably sleeved with the rear end supporting mechanism and/or the front end supporting mechanism, one end of the first rotating rod extending into the rear end supporting mechanism and/or the front end supporting mechanism is fixedly connected with a first bevel gear, and one side of the first bevel gear is meshed with a second bevel gear connected with the rear end supporting mechanism and/or the front end supporting mechanism.

7. The constant-resistance anchor rod large-displacement drawing machine according to claim 1, wherein the lifting mechanism comprises a second rotating rod movably sleeved with the front end supporting mechanism, a third bevel gear is fixedly connected to the other end of the second rotating rod, a fourth bevel gear is meshed with one side of the third bevel gear, a second screw rod positioned in the retainer is fixedly sleeved on the fourth bevel gear, bearing seats fixedly connected with the front end supporting mechanism are movably sleeved on two ends of the second screw rod, and a driving plate fixedly connected with the retainer is sleeved on the outer ring threads of the screw rod.

8. The method for using the constant-resistance anchor rod large-displacement drawing machine according to any one of claims 1 to 7, comprising the following steps:

s1, determining the height and the inclination direction of the end part of a constant-resistance anchor rod, and determining the installation position when a drawing test is performed;

s2, fixedly mounting the drawing mechanism at a preset position;

s3, adjusting the height position and the inclined position of the drawing mechanism by utilizing the lifting mechanism and the adjusting and locking assembly, so as to be convenient for butting with the constant-resistance anchor rod;

and S4, connecting the drawing mechanism with a preset constant-resistance anchor rod and carrying out drawing test operation.