CN114875795B - Bridge plate prestress strong pulling device - Google Patents
Bridge plate prestress strong pulling device Download PDFInfo
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- CN114875795B CN114875795B CN202210596018.7A CN202210596018A CN114875795B CN 114875795 B CN114875795 B CN 114875795B CN 202210596018 A CN202210596018 A CN 202210596018A CN 114875795 B CN114875795 B CN 114875795B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention relates to a strong pulling device, in particular to a bridge plate prestress strong pulling device. The invention aims to provide a bridge plate prestress strong pulling device which can automatically perform prestress treatment and automatically fix. The invention provides a bridge plate prestress strong pulling device which comprises a base, a first supporting cylinder, an axle, a first sliding block and the like, wherein the right part of the upper side of the base is connected with the first supporting cylinder, the left side and the right side of the lower part of the base are both rotationally connected with the axle, three first sliding grooves are formed in the right part of the inner side of the first supporting cylinder at intervals, and the first sliding blocks are connected in the first sliding grooves in a sliding mode. According to the invention, the servo motor is started, so that the first clamping piece is tightly attached to the bridge plate steel bar and then moves rightwards, so that the first clamping piece pulls the bridge plate steel bar, and then the bridge plate steel bar is automatically prestressed, thereby being convenient for people to use, and saving time and labor.
Description
Technical Field
The invention relates to a strong pulling device, in particular to a bridge plate prestress strong pulling device.
Background
In bridge road construction today, prestressing force construction is widely used, and the bridge plate reinforcing steel bar is subjected to prestressing force treatment, so that the prestressing force technology has remarkable advantages in the aspect of improving the construction quality of bridge engineering due to the characteristics of high strength, high rigidity and high crack resistance.
However, when the traditional prestress treatment is carried out on the bridge plate steel bar, the traditional prestress treatment is carried out by purely constructors through manual operation, so that the error rate is high, the prestress construction quality is difficult to guarantee, a great amount of physical strength of constructors is required to be consumed, when the prestress treatment is carried out on the bridge plate steel bar manually, the bridge plate steel bar is further required to be fixed firstly through other construction manual work, the operation is troublesome, and high potential safety hazards exist.
Therefore, in order to overcome the defects, the bridge plate prestress strong pulling device capable of automatically performing prestress treatment and fixing automatically is provided.
Disclosure of Invention
In order to overcome the defects that most people usually operate manually by experience of constructors and other construction workers are needed to fix before operation when prestressing the bridge plate steel bars at present, the invention aims to provide the bridge plate prestressing force strong pulling device capable of automatically carrying out prestressing treatment and fixing.
The invention is realized by the following technical approaches:
the utility model provides a bridge board prestressing force strong-pulling device, including the base, first support cylinder, the shaft, first slider, first clamping piece, compression spring, the gag lever post, clamping mechanism, straining device, adjustment mechanism and supporting mechanism, base upside right part is connected with first support cylinder, base lower part left and right sides all is connected with the shaft, first support cylinder inboard right part is spaced apart has three first spouts, all sliding connection has first slider in the first spout, first slider inboard left part all is connected with the first clamping piece that is used for pulling bridge board reinforcing bar in the rotation, all be connected with compression spring between first slider inboard right part and the adjacent first clamping piece, first spout inside all is connected with the gag lever post, the gag lever post all contacts with adjacent first slider, be equipped with the clamping mechanism that is used for cliing bridge board reinforcing bar on the first support cylinder, base top right side is equipped with the straining device that is used for providing power, be equipped with the adjustment mechanism that is used for adjusting the pulling force size on the clamping mechanism, be equipped with the supporting mechanism who is used for propping up bridge board wall on the clamping mechanism.
Further, clamping mechanism is including second support section of thick bamboo, first sliding sleeve, the guide arm, first supporting shoe, the connecting rod, second clamping piece and compression spring, sliding connection has the second to support the section of thick bamboo on the first support section of thick bamboo, both sides right side lower part all is connected with first sliding sleeve around the second support section of thick bamboo, both sides all are connected with the guide arm around the base, the first sliding sleeve of front side is connected with the guide arm slidingtype of front side, the first sliding sleeve of rear side is connected with the guide arm slidingtype of rear side, the inboard left portion interval of second support section of thick bamboo is connected with three first supporting shoe, the inboard all rotation of three first supporting shoe is connected with the connecting rod, the equal rotation in connecting rod right part is connected with the second clamping piece, all be connected with compression spring between connecting rod outside right part and the second support section of thick bamboo.
Further, the tensioning mechanism comprises a supporting frame, a servo motor, a reduction gearbox, a screw rod and a thread bush, wherein the right side of the top of the base is connected with the reduction gearbox, the lower portion of the right side of the reduction gearbox is connected with the supporting frame, the servo motor is connected to the supporting frame, an output shaft of the servo motor is connected with an operation shaft of the reduction gearbox, the left side of the upper portion of the base is rotatably connected with the screw rod, the right side of the screw rod is connected with the operation shaft of the reduction gearbox, the right side of the top of the second supporting cylinder is connected with the thread bush, and the thread bush is connected with the screw rod in a threaded mode.
Further, adjustment mechanism is including second sliding sleeve, adjusting screw and motor touch switch, and sliding connection has the second sliding sleeve on the guide arm of front side, and the second sliding sleeve is located the left side of first sliding sleeve, and second sliding sleeve top screw thread type is connected with adjusting screw, and adjusting screw bottom and the guide arm contact of front side, second sliding sleeve front side are connected with motor touch switch, and motor touch switch passes through electric connection with servo motor, can contact with the first sliding sleeve of front side when motor touch switch moves rightwards.
Further, the supporting mechanism comprises a second supporting block and a second sliding block, the left side of the second supporting cylinder is connected with three second supporting blocks at intervals, the outer sides of the left parts of the second supporting blocks are all rotationally connected with the second sliding blocks, second sliding grooves are formed in the inner parts of the second sliding blocks, and the outer sides of the left parts of the second supporting blocks slide in the adjacent second sliding grooves.
Further, the utility model discloses a cutting mechanism that is used for cutting bridge slab reinforcement, cutting mechanism is including communicating pipe, the cylinder, the air release valve, lower hand hay cutter, go up hand hay cutter, tension spring and check valve, second support section of thick bamboo bottom left side middle part is connected with communicating pipe, second support section of thick bamboo left side lower part is connected with the cylinder, communicating pipe and cylinder intercommunication, cylinder left side lower part rotation type is connected with the air release valve, be connected with lower hand hay cutter on the telescopic link of cylinder, second support section of thick bamboo left side upper portion is connected with last hand hay cutter, all be connected with tension spring between both sides and the second support section of thick bamboo left side lower part about the hand hay cutter bottom down, second support section of thick bamboo left side middle part rear side is connected with the check valve and communicates.
Further, the bridge plate prestress strong pulling device is further arranged in a stop mode, the stop mode comprises a third supporting block, a cam block, a connecting rod, a brake block and a connecting block, the lower portion of the right side of the base is connected with the third supporting block, the right side of the bottom of the base is connected with the connecting block, the lower portion of the connecting block is rotationally connected with the brake block, the brake block is in contact with a wheel shaft on the right side when rotating, the right portion of the brake block is rotationally connected with the connecting rod, the upper side of the connecting rod penetrates through the third supporting block, the upper side of the connecting rod is rotationally connected with the cam block, and the bottom of the cam block is in contact with the top of the third supporting block.
Further, a through hole is formed in the left side of the lower portion of the second supporting cylinder, and the communicating pipe is communicated with the through hole.
The invention provides a bridge plate prestress strong pulling device, which has the advantages that:
1. according to the invention, the bridge plate prestress strong pulling device is moved to the designated position, and the bridge plate steel bars can be clamped under the action of the second clamping piece and the first clamping piece, so that the bridge plate steel bars are automatically fixed, further, the follow-up operation of people is facilitated, and the safety is higher.
2. According to the invention, the servo motor is started, so that the first clamping piece is tightly attached to the bridge plate steel bar and then moves rightwards, so that the first clamping piece pulls the bridge plate steel bar, and then the bridge plate steel bar is automatically prestressed, thereby being convenient for people to use, and saving time and labor.
3. Under the action of the lower guillotine and the upper guillotine, the invention can automatically cut off the bridge plate steel bars by contacting the lower guillotine and the upper guillotine with the bridge plate steel bars, thereby improving the working efficiency of people.
4. According to the invention, under the action of the brake pad, the wheel shaft is clamped by the brake pad, and the wheel shaft can be stopped, so that the bridge plate prestress strong pulling device is prevented from moving.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial cross-sectional view of the present invention.
Fig. 3 is a schematic perspective view of a clamping mechanism according to the present invention.
Fig. 4 is a cross-sectional view of the clamping mechanism of the present invention.
Fig. 5 is a schematic view of a part of a clamping mechanism of the present invention.
Fig. 6 is a schematic perspective view of the tensioning mechanism of the present invention.
Fig. 7 is a schematic view of a first perspective structure of the adjusting mechanism of the present invention.
Fig. 8 is a schematic view of a second perspective structure of the adjusting mechanism of the present invention.
Fig. 9 is a schematic perspective view of a supporting mechanism according to the present invention.
Fig. 10 is a cross-sectional view of the support mechanism of the present invention.
Fig. 11 is a schematic view of a first perspective structure of a cutting mechanism according to the present invention.
Fig. 12 is a schematic view of a second perspective structure of the cutting mechanism of the present invention.
Fig. 13 is a schematic perspective view of a first embodiment of a stopping mechanism according to the present invention.
Fig. 14 is a schematic view of a second perspective structure of the stopping mechanism of the present invention.
In the above figures: 1: base, 2: first support section of thick bamboo, 3: axle, 4: first spout, 5: first slider, 6: first clamping piece, 7: compression spring, 8: limit lever, 9: clamping mechanism, 91: second support cylinder, 92: first sliding sleeve, 93: guide bar, 94: first supporting block, 95: connecting rod, 96: second clip, 97: pressure spring, 98: through hole, 10: tensioning mechanism, 101: support frame, 102: servo motor, 103: reduction gearbox, 104: screw, 105: screw sleeve, 11: adjustment mechanism, 111: second sliding sleeve, 112: adjusting screw, 113: motor touch switch, 12: support mechanism, 121: second support block, 122: second slider, 123: second chute, 13: cutting mechanism, 131: communicating tube, 132: cylinder, 133: air release valve, 134: lower guillotine, 135: upper guillotine, 136: tension spring, 137: check valve, 14: stop mechanism, 141: third support block, 142: cam block, 143: connecting rod, 144: brake pad, 145: and (5) connecting a block.
Detailed Description
The invention is further elucidated below in conjunction with the drawings of the specification, and embodiments of the invention are given in conjunction with the drawings of the specification.
Example 1
The utility model provides a bridge board prestressing force draws device by force, including base 1, first support section of thick bamboo 2, the shaft 3, first slider 5, first clamping piece 6, compression spring 7, gag lever post 8, clamping mechanism 9, straining device 10, adjustment mechanism 11 and supporting mechanism 12, see the illustration of fig. 1-10, base 1 upside right part is connected with first support section of thick bamboo 2, base 1 lower part left and right sides all is rotated and is connected with shaft 3, first support section of thick bamboo 2 inboard right part interval has three first spout 4, all be connected with first slider 5 in the three first spout 4 in the slip type, the inboard left part of three first slider 5 all is rotated and is connected with first clamping piece 6, can pull bridge board tendon through first clamping piece 6, all be connected with compression spring 7 between the inboard right part of three first slider 5 and the adjacent first clamping piece 6, three first spout 4 inside all is welded and is had gag lever post 8, three gag lever post 8 all contacts with adjacent first slider 5, be equipped with clamping mechanism 9 on the first support section of thick bamboo 2, base 1 is equipped with clamping mechanism 9 on the side, be equipped with clamping mechanism 10 on the tensioning device is equipped with on the bridge wall 11, be equipped with on the tensioning device is used for supporting mechanism 11.
The clamping mechanism 9 comprises a second supporting cylinder 91, a first sliding sleeve 92, a guide rod 93, a first supporting block 94, a connecting rod 95, a second clamping piece 96 and a pressure spring 97, the second supporting cylinder 91 is connected to the first supporting cylinder 2 in a sliding mode, the first sliding sleeve 92 is connected to the right lower portions of the front side and the rear side of the second supporting cylinder 91, the guide rod 93 is connected to the front side and the rear side of the base 1 in a sliding mode, the first sliding sleeve 92 on the front side is connected to the guide rod 93 on the front side in a sliding mode, the first sliding sleeve 92 on the rear side is connected to the guide rod 93 on the rear side in a sliding mode, the connecting rods 95 are connected to the inner sides of the three first supporting blocks 94 in a rotating mode at intervals, the right portions of the three connecting rods 95 are connected to the second clamping piece 96 in a rotating mode, the bridge plate steel bar can be clamped through the second clamping piece 96, the pressure spring 97 is connected between the right portions of the outer sides of the three connecting rods 95 and the second supporting cylinder 91, and the left lower portions of the second supporting cylinder 91 are provided with through holes 98.
The tensioning mechanism 10 comprises a supporting frame 101, a servo motor 102, a reduction gearbox 103, a screw rod 104 and a threaded sleeve 105, the reduction gearbox 103 is bolted to the right side of the top of the base 1, the supporting frame 101 is connected to the lower portion of the right side of the reduction gearbox 103, the servo motor 102 is bolted to the supporting frame 101, the servo motor 102 is started, power can be provided to enable the first supporting cylinder 2 to move, an output shaft of the servo motor 102 is connected with an operating shaft of the reduction gearbox 103, the screw rod 104 is rotatably connected to the left side of the upper portion of the base 1, the right side of the screw rod 104 is connected with the operating shaft of the reduction gearbox 103, the threaded sleeve 105 is connected to the right side of the top of the second supporting cylinder 91, and the threaded sleeve 105 is in threaded connection with the screw rod 104.
The adjusting mechanism 11 comprises a second sliding sleeve 111, an adjusting screw 112 and a motor touch switch 113, as shown in fig. 7 and 8, the second sliding sleeve 111 is connected to the guide rod 93 at the front side in a sliding manner, the pulling force required to pull the bridge plate steel bars can be adjusted by moving the second sliding sleeve 111, the second sliding sleeve 111 is positioned at the left side of the first sliding sleeve 92, the adjusting screw 112 is connected to the top of the second sliding sleeve 111 in a threaded manner, the bottom of the adjusting screw 112 is contacted with the guide rod 93 at the front side, the motor touch switch 113 is bolted to the front side of the second sliding sleeve 111, and the motor touch switch 113 is electrically connected with the servo motor 102, so that the motor touch switch 113 is contacted with the first sliding sleeve 92 at the front side when moving rightwards.
The supporting mechanism 12 includes a second supporting block 121 and a second sliding block 122, as shown in fig. 9 and 10, three second supporting blocks 121 are welded on the left side of the second supporting cylinder 91 at intervals, the outer sides of the left parts of the three second supporting blocks 121 are all rotationally connected with the second sliding block 122, the second sliding block 122 can be made to prop against the bridge wall by contacting the second sliding block 122 with the bridge wall, second sliding grooves 123 are formed in the three second sliding blocks 122, and the outer sides of the left parts of the three second supporting blocks 121 slide in the adjacent second sliding grooves 123.
When people need to use the bridge plate prestress strong pulling device, the base 1 is pushed to move firstly, under the action of the wheel shaft 3, the bridge plate prestress strong pulling device is driven to move to a designated position, the second sliding block 122 is contacted with the bridge wall, so that the bridge plate steel bar penetrates into the second supporting cylinder 91, when the bridge plate steel bar is contacted with the second clamping piece 96, the bridge plate steel bar can extrude the second clamping piece 96 to move outwards, the second clamping piece 96 extrudes the connecting rod 95 to rotate, the pressure spring 97 compresses, under the elastic force of the pressure spring 97, the second clamping piece 96 clamps the bridge plate steel bar, meanwhile, the second clamping piece 96 can clamp the bridge plate steel bar to prevent the bridge plate steel bar from moving leftwards, when the bridge plate steel bar penetrates through the second supporting cylinder 91, the bridge plate steel bar can enter the first supporting cylinder 2, and when the bridge plate steel bar is contacted with the first clamping piece 6, the bridge plate steel bar can extrude the first clamping piece 6 to rotate, the compression spring 7 compresses, under the elastic force of the compression spring 7, the first clamping piece 6 clamps the bridge plate steel bar, when the second sliding block 122 contacts with the bridge wall, the convex surface on the bridge wall can extrude the second sliding block 122 to rotate positively and negatively, the second sliding block 122 is tightly attached to the bridge wall, the base 1 is loosened, the bridge plate prestress strong pulling device stops moving, then the adjusting screw 112 is pulled to rotate, the adjusting screw 112 is loosened to lead the guide rod 93 at the front side, the second sliding sleeve 111 is pulled to move left and right, the adjusting screw 112 and the motor touch switch 113 are driven to move left and right, the pulling force required to pull the bridge plate steel bar is adjusted, after the adjustment, the second sliding sleeve 111 is loosened, the adjusting screw 112 is pulled to reversely reset, the guide rod 93 at the front side is seized again, the adjusting screw 112 is loosened, then the servo motor 102 is started to control the output shaft of the servo motor 102 to rotate forward, so that the screw rod 104 is driven to rotate forward slowly through the reduction gearbox 103, the bridge wall blocks the second sliding block 122 to move leftwards, so that the threaded sleeve 105, the second supporting cylinder 91, the second supporting block 121, the second sliding block 122, the first sliding sleeve 92, the first supporting block 94, the connecting rod 95 and the second clamping piece 96 stop moving, the base 1, the guide rod 93, the second sliding sleeve 111, the adjusting screw 112, the motor touch switch 113, the first supporting cylinder 2, the limiting rod 8, the reduction gearbox 103, the supporting frame 101 and the servo motor 102 move rightwards, air is sucked into the second supporting cylinder 91 through the through hole 98 under the action of atmospheric pressure during the process, the limiting rod 8 is separated from the first sliding block 5, the first supporting cylinder 2 presses the first sliding block 5 to move inwards, and the compression spring 7 continues to compress, under the action of the elastic force of the compression spring 7, the first clamping piece 6 is tightly attached to the bridge plate steel bar, when the left side of the first sliding block 5 is contacted with the first supporting cylinder 2, the first supporting cylinder 2 drives the first sliding block 5 and the first clamping piece 6 to move rightwards, so that the first clamping piece 6 pulls the bridge plate steel bar, prestress treatment is carried out on the bridge plate steel bar, when the motor touch switch 113 is contacted with the first sliding sleeve 92 at the front side, the first sliding sleeve 92 at the front side extrudes the motor touch switch 113, the motor touch switch 113 controls the output shaft of the servo motor 102 to reversely rotate, so that the screw rod 104 is driven to slowly reversely rotate through the reduction gearbox 103, and the bridge plate steel bar is clamped by the second clamping piece 96, so that the threaded sleeve 105, the second supporting cylinder 91, the second supporting block 121, the second sliding block 122, the first sliding sleeve 92, the first supporting block 94, the connecting rod 95 and the second clamping piece 96 stop moving, so that the base 1, the guide rod 93, the second sliding sleeve 111, the adjusting screw 112, the motor touch switch 113, the first supporting cylinder 2, the limit rod 8, the reduction gearbox 103, the supporting frame 101 and the servo motor 102 move leftwards and reset, during the period, the first supporting cylinder 2 can squeeze air in the second supporting cylinder 91 to enable the air to be discharged outwards through the through hole 98, the motor touch switch 113 is separated from the first sliding sleeve 92 at the front side, when the left side of the first sliding block 5 is separated from the first supporting cylinder 2, under the action of the elasticity of the compression spring 7, the first sliding block 5 and the first clamping piece 6 move outwards and reset, when the limit rod 8 contacts with the first sliding block 5, the limit rod 8 can drive the first sliding block 5 and the first clamping piece 6 to move leftwards and reset, then the servo motor 102 is closed, the bridge plate steel bars between the bridge plate and the left side of the first supporting cylinder 2 are sheared, then the bridge plate steel bars in the second supporting cylinder 91 are pulled out from the right side of the first supporting cylinder 2, when the bridge plate steel bars are separated from the second clamping pieces 96, the pressure springs 97 restore the original state, the pressure springs 97 drive the connecting rods 95 to reversely reset, the second clamping pieces 96 are enabled to reversely reset inwards, when the bridge plate steel bars are separated from the first clamping pieces 6, the compression springs 7 restore the original state, the compression springs 7 drive the first clamping pieces 6 to reversely reset, and then the bridge plate prestress strong pulling device is pushed away from the appointed position, so that the second sliding blocks 122 are separated from the bridge walls.
Example 2
On the basis of embodiment 1, the utility model also comprises a cutting mechanism 13, the cutting mechanism 13 comprises a communicating pipe 131, an air cylinder 132, an air release valve 133, a lower guillotine 134, an upper guillotine 135, a tension spring 136 and a one-way valve 137, referring to fig. 1, 11 and 12, the left middle part of the bottom of the second supporting cylinder 91 is connected with the communicating pipe 131, the communicating pipe 131 is communicated with the through hole 98, the lower left part of the second supporting cylinder 91 is bolted with the air cylinder 132, the communicating pipe 131 is communicated with the air cylinder 132, the lower left part of the air cylinder 132 is rotationally connected with the air release valve 133, the telescopic rod of the air cylinder 132 is connected with the lower guillotine 134, the upper left part of the second supporting cylinder 91 is connected with the upper guillotine 135, the lower guillotine 134 and the upper guillotine 135 can cut off the bridge steel bar through the contact between the upper guillotine 135 and the front and back sides of the bottom of the lower guillotine 134 and the left lower left part of the second supporting cylinder 91, and the left middle part of the second supporting cylinder 91 is connected with the one-way valve 137 and communicated.
When the first supporting cylinder 2 moves rightwards, air is sucked into the second supporting cylinder 91 through the one-way valve 137 under the action of atmospheric pressure, when the first supporting cylinder 2 moves leftwards, the first supporting cylinder 2 can extrude the air in the second supporting cylinder 91, the air in the second supporting cylinder 91 enters the air cylinder 132 through the communicating pipe 131, so that the telescopic rod of the air cylinder 132 is extended, the lower guillotine 134 is further moved upwards, the tension spring 136 is stretched, when the lower guillotine 134 contacts with a bridge steel bar, the lower guillotine 134 can extrude the bridge steel bar to move upwards, the bridge steel bar contacts with the upper guillotine 135, the lower guillotine 134 and the upper guillotine 135 cut off the bridge steel bar, after the bridge steel bar is cut off, the air release valve 133 is pulled to be rotated open, the tension spring 136 returns to the original state, the lower guillotine 134 is driven to move downwards to reset, the telescopic rod of the air cylinder 132 is further extruded in the air cylinder 132, the air in the air cylinder 132 is outwards discharged through the air release valve 133 reversely, and then the bridge steel bar 133 is cut off, and the bridge steel bar 133 can be conveniently cut off.
The bridge plate prestress strong pulling device comprises a base 1, and is characterized by further comprising a brake mechanism 14, wherein the brake mechanism 14 comprises a third supporting block 141, a cam block 142, a connecting rod 143, a brake block 144 and a connecting block 145, the third supporting block 141 is welded at the lower right side of the base 1, the connecting block 145 is connected to the right side of the bottom of the base 1, the brake block 144 is rotatably connected to the lower part of the connecting block 145, the bridge plate prestress strong pulling device can be braked and stopped through the contact of the brake block 144 with a right wheel shaft 3, the brake block 144 is contacted with the right wheel shaft 3 when rotating, the right part of the brake block 144 is rotatably connected with the connecting rod 143, the upper side of the connecting rod 143 penetrates through the third supporting block 141, the cam block 142 is rotatably connected to the upper side of the connecting rod 143, and the bottom of the cam block 142 is contacted with the top of the third supporting block 141.
In the initial state, the brake block 144 clamps the right wheel axle 3, when people need to use the bridge plate prestress strong pulling device, the cam block 142 can be pulled to rotate, so that the cam block 142 is in a vertical state, the cam block 142 is separated from the third support block 141, the third support block 141 is further enabled to release the cam block 142, then the cam block 142 is released, under the action of gravity, the brake block 144 rotates, the brake block 144 is enabled to release the right wheel axle 3, meanwhile, the brake block 144 pulls the cam block 142 through the connecting rod 143 to move downwards, the bottom of the cam block 142 is enabled to contact with the top of the third support block 141, when people do not need to use the bridge plate prestress strong pulling device, the cam block 142 is pulled to move upwards to reset, the cam block 142 is pulled to reversely reset through the connecting rod 143, the brake block 144 is enabled to clamp the right wheel axle 3, the bridge plate prestress strong pulling device is prevented from moving, and then the cam block 142 is pulled to reversely reset, the cam block 142 is enabled to contact with the third support block 141, and the cam block 142 is enabled to clamp the bridge plate 142.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present invention.
Claims (8)
1. The utility model provides a bridge plate prestressing force strong pulling device, including base (1), first support section of thick bamboo (2), shaft (3), first slider (5) and first clamping piece (6), base (1) upside right part is connected with first support section of thick bamboo (2), base (1) lower part left and right sides all rotates and is connected with shaft (3), first support section of thick bamboo (2) inboard right part interval has three first spout (4), all be connected with first slider (5) in first spout (4) in the slip type, first slider (5) inboard left part all rotates first clamping piece (6) that are used for pulling bridge plate reinforcing bar, a serial communication port, still including compression spring (7), gag lever post (8), clamping mechanism (9), tensioning mechanism (10), adjustment mechanism (11) and supporting mechanism (12), all be connected with compression spring (7) between first slider (5) inboard right part and the adjacent first clamping piece (6), first spout (4) inside all is connected with gag lever post (8), gag lever post (8) all are equipped with first clamping piece (5) and are equipped with clamping mechanism (10) for pulling bridge plate reinforcing bar (1) on the side of being equipped with on the first support section of thick bamboo (2), the clamping mechanism (9) is provided with an adjusting mechanism (11) for adjusting the pulling force, and the clamping mechanism (9) is provided with a supporting mechanism (12) for supporting the bridge wall.
2. The bridge plate prestress strong-pulling device according to claim 1, wherein the clamping mechanism (9) comprises a second supporting cylinder (91), a first sliding sleeve (92), a guide rod (93), a first supporting block (94), a connecting rod (95), a second clamping piece (96) and a pressure spring (97), wherein the second supporting cylinder (91) is connected to the first supporting cylinder (2) in a sliding mode, the first sliding sleeve (92) is connected to the lower right parts of the front side and the rear side of the second supporting cylinder (91), the guide rod (93) is connected to the front side and the rear side of the base (1), the first sliding sleeve (92) on the front side is connected with the guide rod (93) on the front side in a sliding mode, the first sliding sleeve (92) on the rear side is connected with the guide rod (93) on the rear side, the inner left part of the second supporting cylinder (91) is connected with the three first supporting blocks (94) in a spacing mode, the inner sides of the three first supporting blocks (94) are connected with the connecting rod (95) in a rotating mode, the right parts of the connecting rod (95) are connected with the second clamping pieces (96) in a rotating mode, and the right parts of the connecting rod (95) are connected with the right parts of the connecting rod (95) respectively.
3. The bridge plate prestress strong-pulling device according to claim 2, wherein the tensioning mechanism (10) comprises a supporting frame (101), a servo motor (102), a reduction gearbox (103), a screw rod (104) and a threaded sleeve (105), the right side of the top of the base (1) is connected with the reduction gearbox (103), the lower right side of the reduction gearbox (103) is connected with the supporting frame (101), the supporting frame (101) is connected with the servo motor (102), an output shaft of the servo motor (102) is connected with an operating shaft of the reduction gearbox (103), the left side of the upper part of the base (1) is rotatably connected with the screw rod (104), the right side of the screw rod (104) is connected with the operating shaft of the reduction gearbox (103), the right side of the top of the second supporting cylinder (91) is connected with the threaded sleeve (105), and the threaded sleeve (105) is in threaded connection with the screw rod (104).
4. A bridge deck prestressing force strong-pulling device according to claim 3, characterized in that the adjusting mechanism (11) comprises a second sliding sleeve (111), an adjusting screw (112) and a motor touch switch (113), the guide rod (93) at the front side is connected with the second sliding sleeve (111) in a sliding way, the second sliding sleeve (111) is positioned at the left side of the first sliding sleeve (92), the top of the second sliding sleeve (111) is connected with the adjusting screw (112) in a threaded way, the bottom of the adjusting screw (112) is contacted with the guide rod (93) at the front side, the motor touch switch (113) is connected with the motor touch switch (113) at the front side, and the motor touch switch (113) is contacted with the first sliding sleeve (92) at the front side when moving rightwards.
5. The bridge plate prestress strong-pulling device according to claim 4, wherein the supporting mechanism (12) comprises a second supporting block (121) and a second sliding block (122), three second supporting blocks (121) are connected to the left side of the second supporting cylinder (91) at intervals, the outer sides of the left parts of the second supporting blocks (121) are respectively connected with the second sliding blocks (122) in a rotating mode, second sliding grooves (123) are respectively formed in the inner parts of the second sliding blocks (122), and the outer sides of the left parts of the second supporting blocks (121) respectively slide in the adjacent second sliding grooves (123).
6. The bridge plate prestress strong pulling device according to claim 5, further comprising a cutting mechanism (13) for cutting off the bridge plate steel bars, wherein the cutting mechanism (13) comprises a communicating pipe (131), an air cylinder (132), an air release valve (133), a lower guillotine (134), an upper guillotine (135), a tension spring (136) and a one-way valve (137), the communicating pipe (131) is connected to the middle part of the left side of the bottom of the second supporting cylinder (91), the air cylinder (132) is connected to the lower part of the left side of the second supporting cylinder (91), the communicating pipe (131) is communicated with the air cylinder (132), the air release valve (133) is rotatably connected to the lower guillotine (134) on a telescopic rod of the air cylinder (132), the tension springs (136) are connected between the front side and the rear side of the bottom of the lower guillotine (134) and the lower part of the left side of the second supporting cylinder (91), and the one-way valve (137) is connected to the rear side of the left side of the second supporting cylinder (91) and communicated with the lower guillotine.
7. The bridge plate prestress strong pulling device according to claim 6, further comprising a stop mechanism (14) for stopping the bridge plate prestress strong pulling device, wherein the stop mechanism (14) comprises a third supporting block (141), a cam block (142), a connecting rod (143), a brake block (144) and a connecting block (145), the third supporting block (141) is connected to the lower right side of the base (1), the connecting block (145) is connected to the right side of the bottom of the base (1), the brake block (144) is rotatably connected to the lower portion of the connecting block (145), the brake block (144) is contacted with the right wheel axle (3) when rotating, the right portion of the brake block (144) is rotatably connected with a connecting rod (143), the upper side of the connecting rod (143) passes through the third supporting block (141), the upper side of the connecting rod (143) is rotatably connected with the cam block (142), and the bottom of the cam block (142) is contacted with the top of the third supporting block (141).
8. The bridge deck prestressing force strong pulling apparatus according to claim 6, wherein the second supporting cylinder (91) is provided with a through hole (98) at the left side of the lower portion thereof, and the communicating pipe (131) is communicated with the through hole (98).
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| CN202210596018.7A CN114875795B (en) | 2022-05-30 | 2022-05-30 | Bridge plate prestress strong pulling device |
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| CN202210596018.7A CN114875795B (en) | 2022-05-30 | 2022-05-30 | Bridge plate prestress strong pulling device |
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| CN114875795B true CN114875795B (en) | 2023-06-02 |
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| CN114875795A (en) | 2022-08-09 |
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