CN114458019A - Prestressed tensioning trolley - Google Patents
Prestressed tensioning trolley Download PDFInfo
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- CN114458019A CN114458019A CN202210242344.8A CN202210242344A CN114458019A CN 114458019 A CN114458019 A CN 114458019A CN 202210242344 A CN202210242344 A CN 202210242344A CN 114458019 A CN114458019 A CN 114458019A
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- 238000010276 construction Methods 0.000 abstract description 14
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/121—Construction of stressing jacks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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Abstract
The application discloses prestressing force stretch-draw platform truck belongs to the technical field of case roof beam prestressing force stretch-draw, it includes the mounting bracket, be fixed in the removal bottom plate of mounting bracket bottom and install in the universal wheel of removing bottom plate bottom surface edge, rotate the vertical screw rod of installing vertical setting on the mounting bracket, the loading board that the level set up is equipped with to the outer peripheral face cover of vertical screw rod, the jack has been placed to the top surface of loading board, loading board and vertical screw rod screw drive cooperation, wear to be equipped with the guide bar of vertical setting on the loading board, be provided with on the mounting bracket and be used for driving vertical screw rod pivoted drive arrangement. This application has the effect that improves the efficiency of construction.
Description
Technical Field
The application relates to the technical field of box girder prestress tensioning, in particular to a prestress tensioning trolley.
Background
Prestressing force stretch-draw adds the pulling force in the component in advance for it bears compressive stress to be exerted prestressing force stretch-draw component, and then makes it produce certain deformation, deals with the load that structure itself received, load, wind load, snow load, earthquake load effect etc. including component self weight.
The prestress tensioning equipment generally comprises a tensioning support and a jack, wherein a chain block is installed on the tensioning support, the tensioning support is placed at a position close to a pipeline to be tensioned, the jack is installed on the chain block, one constructor pulls the chain block to hoist the jack to the height of the pipeline to be tensioned, and the other constructor operates the jack so as to stretch a steel bar in the pipeline.
With respect to the above-described related art, the inventors consider that: current prestressing force stretch-draw equipment uses the chain block to carry out the handling to the jack usually, but the chain block needs a constructor to pull, and the jack needs another constructor to operate, needs two constructors to mutually support and is under construction for the jack is difficult to the hoist to treat the height of stretch-draw pipeline, and the efficiency of construction is lower.
Disclosure of Invention
In order to improve the lower problem of current prestressing force tensioning equipment efficiency of construction, this application provides prestressing force tensioning platform truck.
The application provides a prestressing force stretch-draw platform truck adopts following technical scheme:
prestressing force stretch-draw platform truck, including the mounting bracket, be fixed in the removal bottom plate of mounting bracket bottom and install in remove the universal wheel of bottom plate bottom surface edge, rotate on the mounting bracket and install the vertical screw rod of vertical setting, the loading board that the level set up is equipped with to the outer peripheral face cover of vertical screw rod, the jack has been placed to the top surface of loading board, the loading board with vertical screw rod screw drive cooperation, wear to be equipped with the guide bar of vertical setting on the loading board, be provided with on the mounting bracket and be used for the drive vertical screw rod pivoted drive arrangement.
Through adopting above-mentioned technical scheme, constructor passes through the rotation of drive arrangement control vertical screw and stops to control the loading board and rise to the height of treating stretch-draw pipeline, reuse the jack of loading board top surface and carry out stretch-draw to the reinforcing bar in the pipeline, only need a constructor to operate, improved the efficiency of construction.
Preferably, the top of the mounting rack is rotatably provided with a transverse screw, the mounting rack is fixed with a stepping motor, an output shaft of the stepping motor is fixedly connected with one end of the transverse screw rod, a control block is sleeved on the peripheral surface of the transverse screw rod, a cavity is arranged in the control block, a control ring is rotatably arranged in the cavity and is in spiral transmission fit with the transverse screw rod, the outer peripheral surface of the control ring is provided with a positioning groove, the bottom surface of the cavity is provided with a clamping groove, the control block is provided with a clamping block through the clamping groove in a sliding way along the vertical direction, the clamping block can be inserted in the clamping groove, the top surface of the movable bottom plate is provided with a sliding groove, the movable bottom plate is provided with a sliding block in a sliding way along the length direction of the movable bottom plate through the sliding groove, the bottom end of the vertical screw rod is rotatably connected with the sliding block, and the top end of the vertical screw rod is rotatably connected with the control block.
Through adopting above-mentioned technical scheme, insert the fixture block and establish in the draw-in groove, the control ring drives the control block and removes along the length direction of movable plate to drive vertical screw rod and loading board and remove along the length direction of movable plate, make constructor need not remove the mounting bracket just can be under construction the adjacent stretch-draw pipeline of treating of horizontal direction, improved the efficiency of construction.
Preferably, the driving device comprises a first bevel gear sleeved on the outer peripheral surface of the transverse screw, the outer peripheral surface of the transverse screw is provided with a limiting groove, the limiting groove is arranged along the length direction of the transverse screw, the inner peripheral surface of the first bevel gear is fixedly provided with a limiting block inserted in the limiting groove, a rotating rod is rotatably mounted in the control block, a second bevel gear meshed with the first bevel gear is fixed at the top end of the rotating rod, a rotating sleeve is slidably mounted at the bottom of the rotating rod along the vertical direction, the rotating sleeve and the rotating rod rotate synchronously, a first connecting ring is fixed at the bottom end of the rotating sleeve, a plurality of grooves arranged at equal intervals are formed in the bottom surface of the first connecting ring along the circumferential direction, a second connecting ring is fixed at the top end of the vertical screw, and a plurality of lugs arranged at equal intervals are fixed on the top surface of the second connecting ring along the circumferential direction, the projection may be interengagable with the recess.
Through adopting above-mentioned technical scheme, bevel gear one follows horizontal screw rod and rotates, and bevel gear drives bevel gear two rotations, and bevel gear two drives the dwang and rotates, and rotating sleeve and dwang synchronous rotation will rotate the sleeve and move down, then rotate the direction that the orientation is close to rotating ring two and move for lug and recess intermeshing, rotating ring one drive rotating ring two and rotate, and rotating ring two drives vertical screw rod and rotates, thereby makes the loading board rebound.
Preferably, two guide grooves are formed in the inner peripheral surface of the rotating sleeve, two guide blocks are fixed on the outer peripheral surface of the rotating rod, and the guide blocks are connected with the rotating sleeve in a sliding mode along the vertical direction through the guide grooves.
Through adopting above-mentioned technical scheme, the guide block is along vertical removal in the guide way to make dwang and rotating sleeve be connected along vertical sliding, the dwang can drive rotating sleeve synchronous rotation.
Preferably, a moving groove is formed in the bottom surface of the control block, a moving block is installed on the control block through the moving groove in a vertically sliding mode, a first connecting rod is fixed to the side face, close to the rotating sleeve, of the moving block, a first synchronizing ring is fixed to one end, far away from the moving block, of the first connecting rod, the first synchronizing ring is sleeved on the outer peripheral face of the rotating sleeve, a first blocking piece is fixed to the outer peripheral face of the rotating sleeve in a sleeved mode, the first synchronizing ring is abutted to the first blocking pieces, and the bottom surface of the clamping block is fixedly connected with the top face of the first connecting rod.
By adopting the technical scheme, the moving block moves downwards, the first connecting rod drives the clamping block and the synchronous circular ring to move downwards, the clamping block is separated from the positioning groove, the circular ring is controlled to rotate along with the transverse screw rod, and the control block stops moving; the synchronous ring drives the rotating sleeve to move downwards, the rotating ring I is in contact with the rotating ring II, and the bevel gear drives the vertical screw to rotate, so that the height of the bearing plate is controlled.
Preferably, a control rod is fixed on the mounting frame, the top surface of the control rod is attached to the bottom surface of the control block, a plurality of electromagnets arranged at equal intervals are fixedly embedded in the top surface of the control rod, and a magnetic block is fixed on the bottom surface of the moving block.
By adopting the technical scheme, after the electromagnet is electrified, when the control block moves to the horizontal position corresponding to the pipeline to be tensioned, the magnetic block moves downwards under the action of the magnetic force of the electromagnet, the magnetic block drives the moving block to move downwards, so that the control block stops moving, and the bearing plate moves vertically.
Preferably, both sides of the moving block are fixed with reset blocks, both sides of the moving groove are provided with reset grooves, the reset blocks are connected with the control block in a sliding mode along the vertical direction through the reset grooves, the top surface of each reset block is fixed with a reset spring, and the top end of each reset spring is fixedly connected with the top surface of each reset groove.
By adopting the technical scheme, after the electromagnet is powered off, the moving block moves upwards under the elastic action of the reset spring, the rotating ring I is separated from the rotating ring II, the bearing plate stops moving vertically, the fixture block is inserted into the positioning groove again, and the control block drives the bearing plate to move in the horizontal direction.
The outer peripheral surface of the vertical screw rod is sleeved with and fixedly provided with a third bevel gear, a fourth bevel gear meshed with the three phases of the bevel gears is rotatably installed in the control block, one side, far away from the third bevel gear, of the fourth bevel gear is fixedly provided with a horizontally arranged synchronizing rod, the outer peripheral surface of the synchronizing rod is provided with a pull rope, one end of the pull rope is fixedly connected with the outer peripheral surface of the synchronizing rod, and the other end, far away from the synchronizing rod, of the pull rope is fixedly connected with the top end of the jack.
Through adopting above-mentioned technical scheme, vertical screw rod drives bevel gear three and rotates, and bevel gear three drives bevel gear four and rotates, and bevel gear four drives the synchronizing bar and rotates, and the one end that the stay cord is connected with the jack upwards moves to make the jack more firm, make the jack be difficult for dropping, reduce the construction danger.
Preferably, the fixed slot that a plurality of equidistant setting was seted up to the bottom surface of control lever, the control lever passes through the fixed slot is followed vertical slip and is installed the rotor, the rotor with the electro-magnet one-to-one, the rotor is connected with corresponding electro-magnet electricity, the inside wall of fixed slot is inlayed and is fixed with battery and stator, the battery with the stator electricity is connected, the rotor can with the stator electrical contact, the top surface of rotor is fixed with spring one, spring one is kept away from the one end of rotor with the bottom surface fixed connection of fixed slot, the bottom surface of rotor is fixed with the push rod, the bottom of stay cord be fixed with can with the briquetting of push rod looks butt.
Through adopting above-mentioned technical scheme, the battery is connected with the stator electricity, and the rotor is connected with corresponding electro-magnet electricity, and the electro-magnet circular telegram for loading board rebound, support the briquetting rebound, after constructor to the vertical pipeline construction of treating stretch-draw end, support the briquetting and promote the push rod rebound, the push rod makes rotor and stator separation, and the electro-magnet outage, the loading board stops vertical removal, and the loading board moves along the horizontal direction.
Preferably, the both sides of moving the bottom plate all are provided with and are used for fixing the fixing device of mounting bracket, fixing device is including being located the fixed plate of moving the bottom plate below and rotate install in the worm on the moving the bottom plate, the top surface of fixed plate is fixed with the fixed sleeve that two intervals set up, wear to be equipped with fixing screw in the fixed sleeve, fixing screw with moving the bottom plate and rotate and connect, fixing screw's outer peripheral face cover establish be fixed with worm intermeshing's turbine.
Through adopting above-mentioned technical scheme, remove the mounting bracket to the position department of treating the stretch-draw pipeline to with the electro-magnet with the horizontal direction treat the stretch-draw pipeline position back of lining up one by one, rotate the worm, make the turbine rotate, the turbine drives set screw and rotates, make the fixed plate move down and with ground looks butt, thereby with the rigidity of mounting bracket, so that constructor carries out the construction.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the construction personnel control the rotation and stop of the vertical screw through the driving device, so that the bearing plate is controlled to rise to the height of the pipeline to be stretched, then the jack on the top surface of the bearing plate is used for stretching the steel bars in the pipeline, only one construction personnel is needed for operation, and the construction efficiency is improved;
2. the first bevel gear rotates along with the transverse screw, the second bevel gear drives the second bevel gear to rotate, the second bevel gear drives the rotating rod to rotate, the rotating sleeve and the rotating rod synchronously rotate, the rotating sleeve moves downwards, the first rotating ring moves towards the direction close to the second rotating ring, so that the protruding block and the groove are meshed with each other, the first rotating ring drives the second rotating ring to rotate, and the second rotating ring drives the vertical screw to rotate, so that the bearing plate moves upwards;
3. move the mounting bracket to the position department of treating the stretch-draw pipeline to with the electro-magnet with the horizontal direction treat the stretch-draw pipeline position after aligning one by one, rotate the worm, make the turbine rotate, the turbine drives clamping screw and rotates, make the fixed plate move down and with ground looks butt, thereby with the rigidity of mounting bracket, so that constructor is under construction.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
FIG. 3 is a schematic diagram of a partial structure of a control block in an embodiment of the present application.
Fig. 4 is an enlarged schematic view at B in fig. 2.
Reference numerals: 1. a mounting frame; 11. moving the base plate; 12. a universal wheel; 2. a fixing device; 21. a fixing plate; 22. fixing the sleeve; 23. fixing the screw rod; 24. a turbine; 25. a worm; 26. a hand wheel; 3. a transverse screw; 31. a limiting block; 32. a limiting groove; 33. a stepping motor; 34. a control block; 35. a cavity; 4. a vertical screw; 41. a slider; 42. a chute; 43. a carrier plate; 44. a guide bar; 45. a jack; 5. a control ring; 51. positioning a groove; 52. a card slot; 53. a clamping block; 6. a second bevel gear; 61. connecting the first ring; 62. a second connecting ring; 63. a first bevel gear; 64. rotating the rod; 65. rotating the sleeve; 66. a guide block; 67. a guide groove; 7. a moving block; 71. a first connecting rod; 72. a synchronizing ring; 73. a first baffle plate; 74. a reset block; 75. a reset groove; 76. a return spring; 77. a magnetic block; 78. a moving groove; 8. a third bevel gear; 81. a fourth bevel gear; 82. a synchronization lever; 83. a second blocking piece; 84. pulling a rope; 85. a pressing block; 9. a control lever; 91. an electromagnet; 92. fixing grooves; 93. a moving plate; 94. a first spring; 95. fixing the sheet; 96. a storage battery; 97. a push rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses prestressing force stretch-draw platform truck. Referring to fig. 1, the prestressed tensioning trolley includes a mounting frame 1, a movable base plate 11 fixed to the bottom of the mounting frame 1, and universal wheels 12 installed at corners of the bottom surface of the movable base plate 11. The both sides of moving bottom plate 11 all are provided with fixing device 2 that is used for fixed mounting frame 1, and fixing device 2 is including being located the fixed plate 21 of moving bottom plate 11 below and rotating the worm 25 of installing in moving bottom plate 11 top surface, and the top surface of fixed plate 21 is fixed with the fixed sleeve 22 that two intervals set up, wears to be equipped with fixing screw 23 in the fixed sleeve 22, and fixed sleeve 22 and fixing screw 23 threaded connection. The top end of the fixing screw 23 penetrates through the movable bottom plate 11, the worm wheels 24 are fixedly sleeved on the outer peripheral surface of the top end of the fixing screw 23, the two worm wheels 24 are mutually meshed with the worm 25, and a hand wheel 26 is fixed at one end of the worm 25.
Referring to fig. 1 and 2, a horizontal screw 3 is rotatably mounted at the top of the mounting frame 1, a control block 34 is sleeved on the outer circumferential surface of the horizontal screw 3, a stepping motor 33 is fixed on the mounting frame 1, and an output shaft of the stepping motor 33 is fixedly connected with one end of the horizontal screw 3. The top surface of the movable bottom plate 11 is provided with a sliding chute 42, and the movable bottom plate 11 is slidably provided with a sliding block 41 along the length direction thereof through the sliding chute 42. The top surface of the sliding block 41 is rotatably provided with a vertical screw 4, and the top end of the vertical screw 4 is rotatably connected with the bottom of the control block 34. The bearing plate 43 that the level set up is equipped with in the outer peripheral face cover of vertical screw rod 4, and vertical screw rod 4 and bearing plate 43 screw drive cooperate, and jack 45 has been placed to the top surface of bearing plate 43. A vertically arranged guide rod 44 is fixed on the top surface of the sliding block 41, and the top end of the guide rod 44 passes through the bearing plate 43 and is rotatably connected with the bottom of the control block 34.
Referring to fig. 2 and 3, a control rod 9 is horizontally fixed on the top of the mounting frame 1, and the top surface of the control rod 9 is attached to the bottom surface of the control block 34. A cavity 35 is arranged in the control block 34, a control ring 5 is rotatably arranged in the cavity 35, the control ring 5 is sleeved on the outer peripheral surface of the transverse screw rod 3, and the control ring 5 is in screw transmission fit with the transverse screw rod 3. The peripheral surface of control ring 5 has seted up constant head tank 51, and the bottom surface of cavity 35 has seted up draw-in groove 52, and control block 34 is installed fixture block 53 through draw-in groove 52 along vertical sliding, and fixture block 53 can insert and establish in constant head tank 51. The block 53 is inserted into the positioning slot 51, and the control ring 5 drives the control block 34 to move along the length direction of the transverse screw 3.
Referring to fig. 2 and 3, a vertically arranged rotating rod 64 is rotatably mounted in the control block 34, a second bevel gear 6 is fixedly sleeved on the outer peripheral surface of the top end of the rotating rod 64, and a first bevel gear 63 meshed with the second bevel gear 6 is sleeved on the outer peripheral surface of the transverse screw 3. The outer peripheral surface of the transverse screw rod 3 is provided with a limiting groove 32, the limiting groove 32 is arranged along the length direction of the transverse screw rod 3, a limiting block 31 inserted in the limiting groove 32 is fixed on the inner peripheral surface of a first bevel gear 63, the first bevel gear 63 rotates along with the transverse screw rod 3, and the first bevel gear 63 drives a second bevel gear 6 to rotate. The bottom cover of dwang 64 is equipped with and rotates sleeve 65, and the guide way 67 that two symmetries set up is seted up to the inner peripheral surface of rotating sleeve 65, and the outer peripheral surface of dwang 64 is fixed with two guide blocks 66, and guide block 66 slides along vertical and rotation sleeve 65 through guide way 67 and is connected. The bottom mounting that rotates sleeve 65 has a connection ring 61, and the bottom surface of connecting ring 61 sets up the recess that a plurality of equidistant setting along self circumference, and the top of vertical screw rod 4 is fixed with connects ring two 62, and the top surface of connecting ring two 62 has the lug that a plurality of equidistant setting along self circumference integrated into one piece, and the lug can mesh with the recess for connect ring one 61 and connect ring two 62 synchronous rotation.
Referring to fig. 2 and 3, a moving groove 78 is formed in the bottom surface of the control block 34, the moving block 7 is slidably mounted on the control block 34 along the vertical direction through the moving groove 78, a first connecting rod 71 is fixed on the side surface of the moving block 7 close to the rotating sleeve 65, and a synchronizing ring 72 is fixed on one end of the first connecting rod 71 far away from the moving block 7. The synchronous ring 72 is sleeved on the outer peripheral surface of the rotating sleeve 65, two first blocking pieces 73 are fixedly sleeved on the outer peripheral surface of the rotating sleeve 65, the top surface of the synchronous ring 72 is abutted with the first blocking piece 73 close to the second bevel gear 6, and the bottom surface of the synchronous ring 72 is abutted with the first blocking piece 73 far away from the second bevel gear 6. The top surface of the first connecting rod 71 is fixedly connected with the bottom surface of the clamping block 53. Reset blocks 74 are fixed on two sides of the moving block 7, reset grooves 75 are formed in two sides of the moving groove 78, the reset blocks 74 are connected with the control block 34 in a sliding mode along the vertical direction through the reset grooves 75, reset springs 76 are fixed on the top surfaces of the reset blocks 74, and one ends, far away from the reset blocks 74, of the reset springs 76 are fixedly connected with the top surfaces of the reset grooves 75.
Referring to fig. 2 and 3, a third bevel gear 8 is fixedly sleeved on the outer peripheral surface of the vertical screw rod 4, a fourth bevel gear 81 meshed with the third bevel gear 8 is rotatably mounted in the control block 34, a horizontally arranged synchronization rod 82 is fixedly arranged on the side surface of the fourth bevel gear 81 far away from the third bevel gear 8, two second blocking pieces 83 are fixedly sleeved on the outer peripheral surface of the synchronization rod 82, a pulling rope 84 is wound around the outer peripheral surface of the synchronization rod 82, and the pulling rope 84 is located between the two second blocking pieces 83. One end of the pull rope 84 is fixedly connected with the outer peripheral surface of the synchronizing rod 82, and one end of the pull rope 84 far away from the synchronizing rod 82 is fixedly connected with the top end of the jack 45.
Referring to fig. 2 and 4, a plurality of electromagnets 91 arranged at equal intervals are embedded and fixed on the top surface of the control rod 9, magnetic blocks 77 are fixed on the bottom surface of the moving block 7, and after the electromagnets 91 are electrified, the magnetic blocks 77 can move downwards under the magnetic force of the electromagnets 91. The bottom surface of control lever 9 is seted up the fixed slot 92 that a plurality of equidistant setting, and control lever 9 is through fixed slot 92 along vertical slidable mounting rotor 93, and the top surface of rotor 93 is fixed with spring 94, and rotor 93 moves down under the spring action of spring 94. A fixed piece 95 capable of electrically contacting with the moving piece 93 is fixedly embedded in the inner side wall of the fixing groove 92, and a push rod 97 is fixed on the bottom surface of the moving piece 93. A pressing block 85 is fixed at the bottom of the pulling rope 84, and the top surface of the pressing block 85 can be abutted against the bottom end of the push rod 97. A battery 96 is fitted and fixed to an inner side wall of the fixing groove 92, and the battery 96 is electrically connected to the stator 95. The moving pieces 93 correspond to the electromagnets 91 one by one, and the moving pieces 93 are electrically connected to the corresponding electromagnets 91.
The implementation principle of the prestress tensioning trolley in the embodiment of the application is as follows: the stepping motor 33 is started, the transverse screw 3 rotates, when the control block 34 moves to the position above the electromagnet 91, the moving block 7 moves downwards, the limit block 31 is separated from the limit groove 32, the circular ring 5 is controlled to rotate, and the control block 34 stops moving; the first connecting ring 61 and the second connecting ring 62 are meshed with each other, the first bevel gear 63 drives the vertical screw rod 4 to rotate, the bearing plate 43 moves upwards, and the bearing plate 43 is stopped at the height of the pipeline to be tensioned by controlling the starting and stopping of the stepping motor 33; meanwhile, the third bevel gear 8 rotates along with the vertical screw rod 4, the third bevel gear 8 drives the fourth bevel gear 81 to rotate, the fourth bevel gear 81 drives the synchronous rod 82 to rotate, the bottom end of the pull rope 84 moves upwards, and the pressing block 85 moves upwards at the same time; in the process that the pressing block 85 moves upwards, the pressing block 85 pushes the push rod 97 to move upwards, the moving piece 93 is separated from the fixed piece 95, the electromagnet 91 corresponding to the moving piece 93 is powered off, the clamping block 53 is inserted into the positioning groove 51 under the elastic force of the return spring 76, and the control block 34 moves along the length direction of the transverse screw 3.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. Prestressing force stretch-draw platform truck, including mounting bracket (1), be fixed in removal bottom plate (11) of mounting bracket (1) bottom and install in remove universal wheel (12) of bottom surface corner department of bottom plate (11), its characterized in that: rotate vertical screw rod (4) of installing vertical setting on mounting bracket (1), loading board (43) that the level set up are established to the outer peripheral face cover of vertical screw rod (4), jack (45) have been placed to the top surface of loading board (43), loading board (43) with vertical screw rod (4) screw drive cooperation, wear to be equipped with guide bar (44) of vertical setting on loading board (43), be provided with on mounting bracket (1) and be used for the drive vertical screw rod (4) pivoted drive arrangement.
2. The prestressed tensioning trolley according to claim 1, wherein: the top of the mounting rack (1) is rotatably provided with a transverse screw (3), a stepping motor (33) is fixed on the mounting rack (1), an output shaft of the stepping motor (33) is fixedly connected with one end of the transverse screw (3), a control block (34) is sleeved on the outer peripheral surface of the transverse screw (3), a cavity (35) is arranged in the control block (34), a control ring (5) is rotatably arranged in the cavity (35), the control ring (5) is matched with the transverse screw (3) in a spiral transmission manner, a positioning groove (51) is formed in the outer peripheral surface of the control ring (5), a clamping groove (52) is formed in the bottom surface of the cavity (35), a clamping block (53) is installed on the control block (34) through the clamping groove (52) in a sliding manner along the vertical direction, the clamping block (53) can be inserted in the clamping groove (52), a sliding groove (42) is formed in the top surface of the movable bottom plate (11), the movable bottom plate (11) is provided with a sliding block (41) in a sliding mode along the length direction of the movable bottom plate through the sliding groove (42), the bottom end of the vertical screw rod (4) is rotatably connected with the sliding block (41), and the top end of the vertical screw rod (4) is rotatably connected with the control block (34).
3. The prestressed tensioning trolley according to claim 2, wherein: the driving device comprises a first bevel gear (63) sleeved on the outer peripheral surface of the transverse screw (3), a limiting groove (32) is formed in the outer peripheral surface of the transverse screw (3), the limiting groove (32) is arranged along the length direction of the transverse screw (3), a limiting block (31) inserted in the limiting groove (32) is fixed on the inner peripheral surface of the first bevel gear (63), a rotating rod (64) is installed in the control block (34) in a rotating mode, a second bevel gear (6) meshed with the first bevel gear (63) is fixed at the top end of the rotating rod (64), a rotating sleeve (65) is installed at the bottom of the rotating rod (64) in a sliding mode along the vertical direction, the rotating sleeve (65) and the rotating rod (64) rotate synchronously, a first connecting ring (61) is fixed at the bottom end of the rotating sleeve (65), and a plurality of grooves which are arranged at equal intervals are formed in the circumferential direction of the bottom surface of the first connecting ring (61), the top of vertical screw rod (4) is fixed with connects ring two (62), the top surface of connecting ring two (62) is fixed with the lug that a plurality of equidistant setting is along self circumference, the lug can with recess intermeshing.
4. The prestressed tensioning trolley according to claim 3, wherein: two guide grooves (67) are formed in the inner peripheral surface of the rotating sleeve (65), two guide blocks (66) are fixed on the outer peripheral surface of the rotating rod (64), and the guide blocks (66) are connected with the rotating sleeve (65) in a sliding mode along the vertical direction through the guide grooves (67).
5. The prestressed tensioning trolley according to claim 3, wherein: the bottom surface of the control block (34) is provided with a moving groove (78), the control block (34) is provided with a moving block (7) in a sliding mode along the vertical direction through the moving groove (78), a first connecting rod (71) is fixed on the side face, close to the rotating sleeve (65), of the moving block (7), a synchronous circular ring (72) is fixed at one end, far away from the moving block (7), of the first connecting rod (71), the synchronous circular ring (72) is sleeved on the outer peripheral face of the rotating sleeve (65), two first blocking pieces (73) are fixed on the outer peripheral face of the rotating sleeve (65), the synchronous circular ring (72) is abutted to the two first blocking pieces (73), and the bottom surface of the clamping block (53) is fixedly connected with the top face of the first connecting rod (71).
6. The pre-stressed tension trolley of claim 5, wherein: the electromagnetic control device is characterized in that a control rod (9) is fixed on the mounting frame (1), the top surface of the control rod (9) is attached to the bottom surface of the control block (34), a plurality of electromagnets (91) which are arranged at equal intervals are fixedly embedded in the top surface of the control rod (9), and magnetic blocks (77) are fixed on the bottom surface of the moving block (7).
7. The prestressed tensioning trolley of claim 6, wherein: reset blocks (74) are fixed on two sides of the moving block (7), reset grooves (75) are formed in two sides of the moving groove (78), the reset blocks (74) are connected with the control block (34) in a sliding mode along the vertical direction through the reset grooves (75), reset springs (76) are fixed on the top surfaces of the reset blocks (74), and the top ends of the reset springs (76) are fixedly connected with the top surfaces of the reset grooves (75).
8. The prestressed tensioning trolley of claim 6, wherein: the outer peripheral face of vertical screw rod (4) is established and is fixed with bevel gear three (8), control block (34) internal rotation install with bevel gear three (8) engaged with bevel gear four (81), bevel gear four (81) are kept away from one side of bevel gear three (8) is fixed with synchronizing bar (82) that the level set up, the outer peripheral face of synchronizing bar (82) is walked around and is equipped with stay cord (84), the one end of stay cord (84) with the outer peripheral face fixed connection of synchronizing bar (82), stay cord (84) keep away from the one end of synchronizing bar (82) with the top fixed connection of jack (45).
9. The prestressed tensioning trolley of claim 8, wherein: the bottom surface of the control rod (9) is provided with a plurality of fixing grooves (92) which are arranged at equal intervals, the control rod (9) is provided with a movable sheet (93) through the fixed groove (92) in a sliding way along the vertical direction, the moving plates (93) are in one-to-one correspondence with the electromagnets (91), the moving plates (93) are electrically connected with the corresponding electromagnets (91), the inner side wall of the fixing groove (92) is embedded and fixed with a storage battery (96) and a fixing sheet (95), the accumulator (96) is electrically connected with the stator (95), the moving plate (93) can be electrically contacted with the stator (95), a first spring (94) is fixed on the top surface of the moving plate (93), one end of the first spring (94) far away from the moving plate (93) is fixedly connected with the bottom surface of the fixed groove (92), a push rod (97) is fixed on the bottom surface of the moving sheet (93), and a pressing block (85) which can be abutted against the push rod (97) is fixed on the bottom of the pull rope (84).
10. The prestressed tensioning trolley according to claim 1, wherein: the both sides of moving bottom plate (11) all are provided with and are used for fixing device (2) of mounting bracket (1), fixing device (2) are including being located fixed plate (21) and the rotation of moving bottom plate (11) below install in worm (25) on moving bottom plate (11), the top surface of fixed plate (21) is fixed with two fixed sleeves (22) that the interval set up, wear to be equipped with clamping screw (23) in fixed sleeve (22), clamping screw (23) with moving bottom plate (11) rotate and connect, the outer peripheral face cover of clamping screw (23) establish be fixed with worm (25) intermeshing's turbine (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210242344.8A CN114458019A (en) | 2022-03-11 | 2022-03-11 | Prestressed tensioning trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210242344.8A CN114458019A (en) | 2022-03-11 | 2022-03-11 | Prestressed tensioning trolley |
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| CN114458019A true CN114458019A (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210242344.8A Pending CN114458019A (en) | 2022-03-11 | 2022-03-11 | Prestressed tensioning trolley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122432A (en) * | 2022-08-30 | 2022-09-30 | 盐城杰诺机械有限公司 | A quick perforating device of PCB for electronic components processing |
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| CN101041947A (en) * | 2007-04-04 | 2007-09-26 | 江苏高速公路工程养护有限公司 | Prestressed carbon fibre cloth stretching bed seat |
| CN106284090A (en) * | 2016-08-31 | 2017-01-04 | 中国冶集团有限公司 | Prestressed stretch-draw chassis |
| CN113295510A (en) * | 2021-05-21 | 2021-08-24 | 蓝海建设集团有限公司 | Intelligent prestress tensioning system |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041947A (en) * | 2007-04-04 | 2007-09-26 | 江苏高速公路工程养护有限公司 | Prestressed carbon fibre cloth stretching bed seat |
| CN106284090A (en) * | 2016-08-31 | 2017-01-04 | 中国冶集团有限公司 | Prestressed stretch-draw chassis |
| CN113295510A (en) * | 2021-05-21 | 2021-08-24 | 蓝海建设集团有限公司 | Intelligent prestress tensioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115122432A (en) * | 2022-08-30 | 2022-09-30 | 盐城杰诺机械有限公司 | A quick perforating device of PCB for electronic components processing |
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