CN117125599A - Hoisting equipment for construction of assembled steel truss - Google Patents

Abstract

The application discloses hoisting equipment for construction of an assembled steel truss, which belongs to the field of hoisting of the steel truss and comprises a vehicle body, wherein a hoisting frame is fixed on one side of the top surface of the vehicle body, a transverse plate is arranged on the hoisting frame, a first installation frame and a second installation frame are arranged on the transverse plate, a first winding roller is rotatably arranged between opposite inner sides of the first installation frame, a first motor is arranged on the side wall of the first installation frame, an output shaft of the first motor is fixedly connected with one end of the first winding roller, a second winding roller is rotatably arranged between opposite inner sides of the second installation frame, a second motor is fixedly arranged on the side wall of the second installation frame, an output shaft of the second motor is fixedly connected with one end of the second winding roller, lifting ropes are arranged on the first winding roller and the second winding roller, and pneumatic clamps are arranged at the bottom ends of the lifting ropes, and a power mechanism for driving the first installation frame and the second installation frame to move towards a direction away from or approaching each other is arranged on the transverse plate. The application has the effect of facilitating two pneumatic clamps to clamp and lift steel trusses with different length sizes.

Description

Hoisting equipment for construction of assembled steel truss

Technical Field

The application relates to the field of steel truss hoisting, in particular to hoisting equipment for spliced steel truss construction.

Background

Steel truss refers to a truss made of steel. Steel trusses are commonly used as the main load bearing members for roof structures, crane beams, bridges, hydraulic gates and the like of industrial and civil buildings. Various towers, such as mast towers, television towers, transmission line towers and the like, are commonly used as space steel trusses formed by three-face, four-face or multi-face plane trusses.

When assembling the steel truss, hoist and mount are usually adopted to the crane, and current crane includes the platform and sets up the protrusion platform of side around the platform and set up the elevating platform at the platform middle part, and reciprocating device is installed to the inside below front and back side of platform, and the stand is installed to reciprocating device's power take off end, and the stand passes the upper surface of platform, is fixed with the support between the upper end of stand, and the inside of support is provided with two winding shafts, and the internally mounted of support has two winding motors, and two winding motors are used for driving two winding shafts rotation respectively, are fixed with wire rope on the winding shaft, and pneumatic finger is installed to wire rope's lower extreme.

In the above-mentioned related art, through driving two rolling motors, the rolling motor drives the rolling axle and rotates, makes the rolling axle put down wire rope, makes the start finger down move and presss from both sides and get the steel, because the unable adjustment of distance between two rolling axles to be convenient for pneumatic finger presss from both sides and gets the promotion to the steel of different length.

Disclosure of Invention

The application provides hoisting equipment for construction of an assembled steel truss, which aims to solve the problem that the distance between two winding shafts cannot be adjusted, so that pneumatic fingers cannot clamp and lift steel materials with different lengths conveniently.

The application provides hoisting equipment for construction of an assembled steel truss, which adopts the following technical scheme:

the utility model provides a lifting device is used in pin-connected panel steel truss construction, includes the automobile body, top surface one side of automobile body is fixed with the hoist and mount frame, be provided with the diaphragm on the hoist and mount frame, be provided with first and second mounting brackets on the diaphragm, rotate between the relative medial surface of first mounting brackets and install wind-up roll first, be provided with first motor on the lateral wall of first mounting brackets, first output shaft of motor with first one end fixed connection of wind-up roll, rotate between second opposite medial surface of mounting brackets and install wind-up roll second, be fixed with second motor on second mounting brackets's the lateral wall, second motor's output shaft with second one end fixed connection of wind-up roll, first wind-up roll with all be provided with the lifting rope on the second wind-up roll, the bottom of lifting rope is provided with pneumatic clamp, be provided with on the diaphragm and be used for the drive first mounting brackets with second mounting brackets is kept away from each other or is close to the power unit that the direction removed.

Through adopting above-mentioned technical scheme, when need hoist and mount the steel truss, remove the automobile body to one side of steel truss, move through power unit drive mounting bracket one and mounting bracket two orientation mutually keep away from or be close to the direction, the distance between adjustment mounting bracket one and the mounting bracket two to adjust the distance between wind-up roll one and the wind-up roll two, and then adjust the distance between two pneumatic clamps, be convenient for two pneumatic clamps press from both sides the steel truss of different length dimensions and get the promotion.

Preferably, the top surface of diaphragm is fixed with and sets up flutedly, the bottom surface of mounting bracket one with the bottom surface of mounting bracket two all is fixed with the movable block, the movable block inserts and locates in the recess, power unit including rotate install in pivot one between one of them relative medial surface of recess, pivot one pass two the movable block, two screw thread sections one that the opposite direction is revolved to two are seted up to the outer peripheral face of pivot one, two the movable block respectively with two screw thread section one's outer wall threaded connection, be provided with the motor III on the diaphragm, the output shaft of motor III with the one end fixed connection of pivot one.

Through adopting above-mentioned technical scheme, the motor III is started, and the motor III drives pivot one and rotates, and pivot one drives two screw thread section one and rotates, makes two movable blocks of two screw thread section one drive move towards the direction that keeps away from each other or is close to each other, and then makes two movable blocks drive the direction removal that the mounting bracket one and mounting bracket two were kept away from each other towards each other, adjusts the distance between two pneumatic clamps, and two pneumatic clamps of being convenient for press from both sides the steel truss of different length dimensions and get.

Preferably, the other opposite inner side surface of the groove is provided with a sliding groove, both side surfaces of the moving block are respectively fixed with a sliding block, the two sliding blocks are respectively inserted into the two sliding grooves, and the sliding blocks are in sliding connection with the transverse plate along the width direction of the transverse plate through the sliding grooves.

Through adopting above-mentioned technical scheme, when pivot one rotates, makes pivot one drive two screw thread section one rotate, makes two screw thread section one drive respectively two movable blocks along the axial displacement of pivot one, and the movable block drives the slider and removes in the spout to make the movable block more steady when removing.

Preferably, the diaphragm is kept away from both sides of the side of hoist and mount frame all are fixed with the curb plate, two rotate between the curb plate and install pivot two, the cover is equipped with two and removes the frame on the pivot two, two sections screw thread section two that revolve opposite direction are seted up to the outer peripheral face of pivot two remove the frame respectively with two screw thread section two's outer wall threaded connection, it installs pulley one to rotate between the relative medial surface of removal frame, two the lifting rope passes two respectively pulley one, be provided with in the pivot one and be used for the drive pivot two pivoted driving piece, be provided with on the diaphragm and be used for the restriction it follows to remove the frame pivot two pivoted locating part.

Through adopting above-mentioned technical scheme, when the first rotation of pivot, when adjusting the distance between first and the second mounting bracket of mounting bracket, the first drive piece that also drives of pivot rotates, makes second rotation of drive piece drive pivot, and second rotation of two screw thread sections makes two screw thread sections drive respectively two removal framves towards the direction of keeping away from each other or being close to each other to when making first and the second removal of mounting bracket, make two removal framves drive two pulleys respectively and follow first and the second removal of mounting bracket.

Preferably, the driving member comprises a first belt wheel arranged on the first rotating shaft, a second belt wheel is arranged on the second rotating shaft, and a driving belt is wound on the first belt wheel and the second belt wheel.

Through adopting above-mentioned technical scheme, when the distance between pivot rotation adjustment mounting bracket one and the mounting bracket two, pivot one drives the band pulley and rotates, and band pulley one drives the drive belt and rotates, makes drive belt pulley two rotate to make band pulley two drive pivot two rotate, when making the distance between pivot rotation adjustment mounting bracket one and the mounting bracket two, the pivot is two also rotate simultaneously and adjust the distance between two removal frames.

Preferably, the lateral surface of the cross plate far away from the lifting frame is fixed with a limiting groove, the limiting piece comprises a limiting block fixed on the lateral surface of the cross plate, the limiting block is inserted into the limiting groove, and the limiting block is connected with the cross plate in a sliding manner along the width direction of the cross plate through the limiting groove.

Through adopting above-mentioned technical scheme, when pivot two rotates, pivot two drive two screw thread sections two rotate, and two screw thread sections respectively drive two and remove the frame and move towards the direction that keeps away from each other or be close to each other, remove the frame and drive the stopper and remove, make the stopper remove in the spacing groove to reduce and remove the frame and follow pivot two pivoted possibility.

Preferably, two guide rods are fixed between the inner top surface and the inner bottom surface of the lifting frame, a movable plate is fixed on the lateral surface of the transverse plate, which is close to the lifting frame, the two guide rods penetrate through the movable plate, the movable plate is vertically connected with the two guide rods in a sliding manner, and a driving mechanism for driving the transverse plate to vertically move is arranged on the vehicle body.

Through adopting above-mentioned technical scheme, when the lifting rope is in long-term use, when needing to inspect the change to the lifting rope, start actuating mechanism, actuating mechanism drive diaphragm downwardly moving makes diaphragm drive mounting bracket one and mounting bracket two remove to the bottom of hoist and mount frame to be convenient for inspect the change to the lifting rope.

Preferably, the top surface of automobile body is fixed with two mounting panels that are parallel to each other, actuating mechanism is including rotating the installation in two drive roller between the mounting panel, the top surface of automobile body is fixed with the motor IV, the one end of motor IV with the one end fixed connection of drive roller, install pulley II in the top rotation of hoist and mount frame, the top surface of diaphragm is fixed with rings, be fixed with the steel cable on the drive roller, the steel cable is kept away from the one end of drive roller passes two with rings fixed connection.

Through adopting above-mentioned technical scheme, when need inspect the change to the lifting rope, through the starter motor IV, the drive roller is rotated to motor IV drive, makes the drive roller loosen the steel cable to make the diaphragm move downwards under self gravity action.

Preferably, the bottom surface both sides of diaphragm all are fixed with the bracing piece that the slope set up, the hoist and mount frame is close to two guide slots have been seted up to the side of diaphragm, the bottom mounting of bracing piece has the slide of vertical setting, the slide with the side that hoist and mount frame is close to each other is laminated mutually, the slide is close to the side of hoist and mount frame is fixed with the guide block, the guide block inserts and locates in the guide slot, the guide block passes through the guide slot is along vertical with hoist and mount frame sliding connection.

Through adopting above-mentioned technical scheme, all be provided with the bracing piece in the bottom surface both sides of diaphragm, make the guide block slidable mounting of bracing piece bottom in the guide way to make the bracing piece support the diaphragm, and then improve the stability of diaphragm.

Preferably, the movable grooves are formed in the inner side surfaces of the guide grooves, sliding blocks are fixed on the two side surfaces of the guide blocks, the two sliding blocks are respectively inserted into the two movable grooves, and the sliding blocks are vertically connected with the hoisting frame in a sliding mode through the movable grooves.

Through adopting above-mentioned technical scheme, when the diaphragm moves along vertical, the diaphragm drives the bracing piece along vertical movement, and the bracing piece drives the guide block along vertical movement in the guide way, makes the guide block drive the sliding block along vertical movement in the removal inslot to make the bracing piece more steady along vertical movement.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the steel truss needs to be hoisted, the car body is moved to one side of the steel truss, the first mounting frame and the second mounting frame are driven by the power mechanism to move towards the direction away from or close to each other, and the distance between the first mounting frame and the second mounting frame is adjusted, so that the distance between the first winding roller and the second winding roller is adjusted, the distance between the two pneumatic clamps is adjusted, and the two pneumatic clamps can clamp and lift the steel truss with different length sizes conveniently;

2. starting a motor III, wherein the motor III drives a rotating shaft I to rotate, the rotating shaft I drives two thread sections I to rotate, so that the two thread sections I drive two moving blocks to move in a direction away from or close to each other, the two moving blocks drive a mounting frame I and a mounting frame II to move in a direction away from each other, the distance between two pneumatic clamps is adjusted, and the two pneumatic clamps can clamp steel trusses with different length sizes conveniently;

3. when the first rotating shaft rotates to adjust the distance between the first mounting frame and the second mounting frame, the first rotating shaft also drives the driving piece to rotate, so that the driving piece drives the second rotating shaft to rotate, and the second rotating shaft drives the second threaded section to rotate, so that the second threaded section drives the second moving frame to move towards the direction away from or approaching to each other, and accordingly when the first mounting frame and the second mounting frame move, the second moving frame drives the first pulley to move along with the first mounting frame and the second mounting frame respectively.

Drawings

Fig. 1 is a hoisting device for construction of an assembled steel truss according to an embodiment of the application.

Fig. 2 is a cross-sectional view of a cross plate in an embodiment of the application.

Fig. 3 is a cross-sectional view of a lifting frame in an embodiment of the application.

Fig. 4 is a schematic view of a structure of a support bar according to an embodiment of the present application.

Fig. 5 is an enlarged schematic view at a in fig. 4.

Reference numerals: 1. a vehicle body; 11. hoisting the frame; 12. balancing weight; 2. a cross plate; 21. a first mounting frame; 22. a first winding roller; 23. a first motor; 24. a second mounting frame; 25. a second winding roller; 26. a second motor; 27. a hanging rope; 28. a pneumatic clamp; 3. a groove; 31. a moving block; 32. a first rotating shaft; 33. a first thread section; 34. a third motor; 35. a slide block; 36. a chute; 4. a side plate; 41. a second rotating shaft; 42. a second thread section; 43. a moving rack; 44. a pulley I; 45. a limiting block; 46. a limit groove; 47. a belt wheel I; 48. a belt wheel II; 49. a transmission belt; 5. a mounting groove; 51. a guide rod; 52. a moving plate; 53. a sliding block; 54. a slip groove; 6. a driving mechanism; 61. a mounting plate; 62. a driving roller; 63. a fourth motor; 64. a third mounting frame; 65. a second pulley; 66. a hanging ring; 67. a steel rope; 7. a support rod; 71. a slide plate; 72. a guide block; 73. a guide groove; 74. a sliding block; 75. and a moving groove.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

The embodiment of the application discloses hoisting equipment for construction of an assembled steel truss.

Referring to fig. 1, a hoisting device for construction of an assembled steel truss comprises a car body 1, a hoisting frame 11 is fixed on one side of the top surface of the car body 1, a balancing weight 12 is fixed on the top surface of the car body 1, and the balancing weight 12 is located on one side of the top surface of the car body 1 away from the hoisting frame 11.

Referring to fig. 1 and 2, a cross plate 2 is arranged on one side of the lifting frame 11 far away from the balancing weight 12, a first mounting frame 21 and a second mounting frame 24 are respectively arranged on two sides of the top surface of the cross plate 2, a first winding roller 22 is rotatably mounted between opposite inner sides of the first mounting frame 21, a first motor 23 is fixed on the side wall of the first mounting frame 21, and an output shaft of the first motor 23 is fixedly connected with one end of the first winding roller 22. And a second winding roller 25 is rotatably arranged between the opposite inner side surfaces of the second mounting frame 24, a second motor 26 is fixed on the side wall of the second mounting frame 24, and an output shaft of the second motor 26 is fixedly connected with one end of the second winding roller 25. The outer peripheral surfaces of the first winding roller 22 and the second winding roller 25 are respectively fixed with a lifting rope 27, and the bottom ends of the two lifting ropes 27 are respectively fixed with a pneumatic clamp 28.

Referring to fig. 1 and 2, the bottom surfaces of the first mounting frame 21 and the second mounting frame 24 are both fixed with a moving block 31, the top surface of the transverse plate 2 is provided with a groove 3, the two moving blocks 31 are both inserted into the groove 3, and the moving blocks 31 are slidably connected with the transverse plate 2 along the width direction of the transverse plate 2 through the groove 3. The sliding grooves 36 are formed in one of the opposite inner side surfaces of the groove 3, the sliding blocks 35 are fixed on the two side surfaces of the moving block 31, the two sliding blocks 35 are respectively inserted into the two sliding grooves 36, and the sliding blocks 35 are in sliding connection with the transverse plate 2 along the width direction of the transverse plate 2 through the sliding grooves 36. A first rotating shaft 32 is rotatably arranged between the other opposite inner side surfaces of the groove 3, the first rotating shaft 32 penetrates through the two moving blocks 31, two threaded sections 33 with opposite rotation directions are formed on the outer peripheral surface of the first rotating shaft 32, and the two moving blocks 31 are respectively in threaded connection with the outer walls of the two threaded sections 33. A third motor 34 is fixed on the side wall of the transverse plate 2, and an output shaft of the third motor 34 is fixedly connected with one end of the first rotating shaft 32.

When the steel truss needs to be hoisted, the car body 1 is moved to one side of the steel truss, meanwhile, the motor I23 and the motor II 26 are started, the motor I23 and the motor II 26 respectively drive the winding roller I22 and the winding roller II 25 to rotate, the winding roller I22 and the winding roller II 25 respectively loosen the two lifting ropes 27, the two pneumatic clamps 28 move downwards, then the motor III 34 is started, the motor III 34 drives the rotating shaft I32 to rotate, the rotating shaft I32 drives the two thread sections I33 to rotate, the two thread sections I33 respectively drive the two moving blocks 31 to move towards the directions far away from or close to each other, the two moving blocks 31 respectively drive the mounting rack I21 and the mounting rack II 24 to move towards the directions far away from or close to each other, and therefore the distance between the two pneumatic clamps 28 is adjusted, and the two pneumatic clamps 28 can clamp and lift the steel trusses with different sizes conveniently.

Referring to fig. 1 and 2, side plates 4 are fixed to both sides of a side surface of the transverse plate 2, which is far away from the lifting frame 11, a second rotating shaft 41 is rotatably mounted between the two side plates 4, two moving frames 43 are arranged on the second rotating shaft 41, a first pulley 44 is rotatably mounted between opposite inner sides of the moving frames 43, and two lifting ropes 27 respectively pass through the first two pulleys 44. The two lifting ropes 27 are respectively passed through the pulleys one 44, thereby reducing the possibility of the lifting ropes 27 wearing out when lifting the steel truss.

Referring to fig. 1 and 2, a second screw thread section 42 with opposite rotation directions is formed on the second rotating shaft 41, and two moving frames 43 are respectively connected with the outer walls of the second screw thread section 42 in a screw thread manner. Limiting grooves 46 are formed in the side, far away from the lifting frame 11, of the transverse plate 2, limiting blocks 45 are fixed to the side, close to the transverse plate 2, of the two movable frames 43, the limiting blocks 45 are inserted into the limiting grooves 46, and the limiting blocks 45 are connected with the transverse plate 2 in a sliding mode along the width direction of the transverse plate 2 through the limiting grooves 46. One end of the first rotating shaft 32 far away from the motor III 34 penetrates through the lateral surface of the transverse plate 2 far away from the motor III 34, one end of the second rotating shaft 41 far away from the motor III 34 penetrates through the lateral plate 4 far away from the lateral surface of the motor III 34, a belt wheel I47 is sleeved and fixed at one end of the first rotating shaft 32 far away from the motor III 34, a belt wheel II 48 is sleeved and fixed at one end of the second rotating shaft 41 far away from the motor III 34, and a transmission belt 49 is sleeved and arranged on the belt wheel I47 and the belt wheel II 48.

When the motor III 34 is started, the output shaft of the motor III 34 drives the first rotating shaft 32 to rotate, and when the distance between the first mounting frame 21 and the second mounting frame 24 is adjusted, the first rotating shaft 32 also drives the first belt pulley 47 to rotate, the first belt pulley 47 drives the driving belt 49 to rotate, the driving belt 49 drives the second belt pulley 48 to rotate, and the second belt pulley 48 drives the second rotating shaft 41 to rotate, so that when the first mounting frame 21 and the second mounting frame 24 move, the second rotating shaft 41 drives the second threaded section 42 to rotate, and the second threaded section 42 drives the second moving frame 43 to move along with the first mounting frame 21 and the second mounting frame 24 simultaneously.

Referring to fig. 1 and 3, a mounting groove 5 is formed in a side surface of the lifting frame 11, which is far from the balancing weight 12, and two vertically arranged guide rods 51 are fixed between the inner top surface and the inner bottom surface of the mounting groove 5. The lateral surface of the transverse plate 2, which is close to the lifting frame 11, is fixedly provided with a moving plate 52, the moving plate 52 is inserted into the mounting groove 5, the two guide rods 51 penetrate through the moving plate 52, the moving plate 52 is vertically and slidably connected with the guide rods 51, and the vehicle body 1 is provided with a driving mechanism 6 for driving the transverse plate 2 to vertically move. The sliding blocks 53 are fixed on two side surfaces of the moving plate 52, the sliding grooves 54 are formed in the opposite inner side surfaces of the mounting groove 5, the two sliding blocks 53 are respectively inserted into the two sliding grooves 54, and the sliding blocks 53 are vertically and slidably connected with the hoisting frame 11 through the sliding grooves 54.

Referring to fig. 1 and 3, the top surface of the vehicle body 1 is fixed with two mounting plates 61 disposed parallel to each other, and the driving mechanism 6 includes a driving roller 62 rotatably mounted between the two mounting plates 61. The top surface of the lifting frame 11 is fixedly provided with a third mounting frame 64, a second pulley 65 is rotatably arranged between opposite inner side surfaces of the third mounting frame 64, and a lifting ring 66 is fixed on the top surface of the transverse plate 2. A steel rope 67 is fixed on the outer peripheral surface of the driving roller 62, and one end of the steel rope 67, which is far away from the driving roller 62, penetrates through the pulley II 65 and is fixedly connected with the outer peripheral surface of the hanging ring 66. A motor four 63 is fixed to the side surface of one of the mounting plates 61, and an output shaft of the motor four 63 is fixedly connected with one end of the driving roller 62.

When the lifting rope 27 is required to be inspected and replaced in the long-term use process, the motor IV 63 is started, and the output shaft of the motor IV 63 drives the driving roller 62 to rotate, so that the driving roller 62 drops the steel rope 67, the transverse plate 2 moves downwards under the action of gravity, and the transverse plate 2 moves to the bottom end of the lifting frame 11, thereby facilitating the inspection and replacement of the lifting rope 27.

Referring to fig. 4 and 5, the supporting rods 7 are fixed on two sides of the bottom surface of the transverse plate 2, the sliding plates 71 are fixed on the bottom ends of the supporting rods 7, the sliding plates 71 are attached to the sides, close to each other, of the lifting frame 11, the two sides, close to the supporting rods 7, of the lifting frame 11 are provided with guide grooves 73, the sides, far away from the supporting rods 7, of the sliding plates 71 are fixed with guide blocks 72, the two guide blocks 72 are respectively inserted into the two guide grooves 73, and the guide blocks 72 are vertically connected with the lifting frame 11 in a sliding mode through the guide grooves 73. The opposite inner side surfaces of the guide grooves 73 are respectively provided with a movable groove 75, the two side surfaces of the guide blocks 72 are respectively fixed with a sliding block 74, the two sliding blocks 74 are respectively inserted into the two movable grooves 75, and the sliding blocks 74 are vertically and slidably connected with the hoisting frame 11 through the movable grooves 75.

By arranging two supporting rods 7 between the transverse plate 2 and the hoisting frame 11, the transverse plate 2 is supported by the supporting rods 7, so that the stability of the transverse plate 2 is improved. When the transverse plate 2 moves vertically, the transverse plate 2 drives the two support rods 7 to move vertically, so that the support rods 7 drive the sliding plate 71 to move vertically, the sliding plate 71 drives the guide block 72 to move vertically in the guide groove 73, and the guide block 72 drives the sliding block 74 to move vertically in the moving groove 75, so that the stability of the support rods 7 moving vertically is improved.

The embodiment of the application relates to hoisting equipment for construction of an assembled steel truss, which comprises the following implementation principles: when the steel truss needs to be hoisted, the vehicle body 1 is moved to one side of the steel truss, and meanwhile, the motor I23 and the motor II 26 are started, so that the motor I23 and the motor II 26 respectively drive the winding roller I22 and the winding roller II 25 to rotate, the winding roller I22 and the winding roller II 25 put down the lifting rope 27, and the pneumatic clamp 28 moves downwards to clamp the steel truss. Then, the motor III 34 is started, the motor III 34 drives the first rotating shaft 32 to rotate, the first rotating shaft 32 drives the first two threaded sections 33 to rotate, the first two threaded sections 33 respectively drive the first mounting frame 21 and the second mounting frame 24 to move towards the directions away from or close to each other, when the first rotating shaft 32 rotates, the first rotating shaft 32 drives the first belt pulley 47 to rotate, the first belt pulley 47 drives the driving belt 49 to rotate, the driving belt 49 drives the second belt pulley 48 to rotate, the second belt pulley 48 drives the second rotating shaft 41 to rotate when the second belt pulley 48 rotates, the second rotating shaft 41 drives the second two threaded sections 42 to rotate, and when the first mounting frame 21 and the second mounting frame 24 move, the second two threaded sections 42 also respectively drive the second moving frames 43 to simultaneously move along the first mounting frame 21 and the second mounting frame 24, so that the distance between the two pneumatic clamps 28 can be adjusted, and the two pneumatic clamps 28 can clamp steel trusses with different sizes conveniently.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. Hoisting equipment is used in construction of pin-connected panel steel truss, its characterized in that: including automobile body (1), top surface one side of automobile body (1) is fixed with hoist and mount frame (11), be provided with diaphragm (2) on hoist and mount frame (11), be provided with first (21) of mounting bracket and second (24) of mounting bracket on diaphragm (2), rotate between the relative medial surface of first (21) of mounting bracket and install first (22) of lifting rope, be provided with first (23) of motor on the lateral wall of first (21) of mounting bracket, the output shaft of first (23) of motor with the one end fixed connection of first (22) of lifting rope, rotate between the relative medial surface of second (24) of mounting bracket and install second (25) of lifting roller, be fixed with second (26) of motor on the lateral wall of second (24), the output shaft of second (26) of motor with the one end fixed connection of second (25) of lifting rope, first (22) of lifting rope with all be provided with lifting rope (27) on second (25) of lifting rope, be provided with pneumatic clamp (28) on diaphragm (2) one and be used for one second (21) of mounting bracket and drive mechanism to keep away from each other.

2. The hoisting equipment for construction of the spliced steel truss as claimed in claim 1, wherein: the top surface of diaphragm (2) is fixed with and sets up fluted (3), the bottom surface of mounting bracket one (21) with the bottom surface of mounting bracket two (24) all is fixed with movable block (31), movable block (31) are inserted and are located in recess (3), power unit including rotate install in pivot one (32) between one of them relative medial surface of recess (3), pivot one (32) pass two movable block (31), two screw thread section one (33) that revolve opposite to are seted up to the outer peripheral face of pivot one (32), two movable block (31) respectively with two screw thread section one (33) outer wall threaded connection, be provided with motor three (34) on diaphragm (2), the output shaft of motor three (34) with one end fixed connection of pivot one (32).

3. The hoisting equipment for construction of assembled steel truss as claimed in claim 2, wherein: the sliding grooves (36) are formed in the other opposite inner side face of the groove (3), sliding blocks (35) are fixed on the two side faces of the moving block (31), the two sliding blocks (35) are respectively inserted into the two sliding grooves (36), and the sliding blocks (35) are connected with the transverse plate (2) in a sliding mode along the width direction of the transverse plate (2) through the sliding grooves (36).

4. The hoisting equipment for construction of assembled steel truss as claimed in claim 2, wherein: the utility model discloses a lifting device, including hanging frame (11), changeover panel (2), changeover panel (4) are kept away from both sides of the side of hanging frame (11) all are fixed with curb plate (4), two rotate between curb plate (4) and install pivot two (41), the cover is equipped with two on pivot two (41) and removes frame (43), two sections screw thread section two (42) opposite in rotation direction have been seted up to the outer peripheral face of pivot two (41), two remove frame (43) respectively with two screw thread section two (42)'s outer wall threaded connection, it installs pulley one (44) to rotate between the opposite medial surface of removal frame (43), two lifting rope (27) pass two respectively pulley one (44), be provided with on pivot one (32) and be used for the drive pivot two (41) pivoted driving piece, be provided with on changeover panel (2) and be used for the restriction remove frame (43) follow pivot two (41) pivoted locating part.

5. The hoisting equipment for construction of the spliced steel truss as claimed in claim 4, wherein: the driving piece comprises a belt wheel I (47) arranged on the rotating shaft I (32), a belt wheel II (48) is arranged on the rotating shaft II (41), and a driving belt (49) is wound on the belt wheel I (47) and the belt wheel II (48).

6. The hoisting equipment for construction of the spliced steel truss as claimed in claim 4, wherein: the side of diaphragm (2) keeping away from hoist and mount frame (11) is fixed with spacing groove (46), the locating part including be fixed in remove frame (43) and be close to stopper (45) on diaphragm (2) side, stopper (45) are inserted and are located in spacing groove (46), stopper (45) are passed through spacing groove (46) are followed the width direction of diaphragm (2) with diaphragm (2) sliding connection.

7. The hoisting equipment for construction of the spliced steel truss as claimed in claim 1, wherein: two guide rods (51) are fixed between the inner top surface and the inner bottom surface of the lifting frame (11), the lateral surface of the transverse plate (2) close to the lifting frame (11) is fixedly provided with a moving plate (52), the two guide rods (51) penetrate through the moving plate (52), the moving plate (52) is vertically and slidably connected with the two guide rods (51), and a driving mechanism (6) for driving the transverse plate (2) to vertically move is arranged on the vehicle body (1).

8. The hoisting equipment for construction of the spliced steel truss as claimed in claim 7, wherein: the top surface of automobile body (1) is fixed with two mounting panel (61) that are parallel to each other, actuating mechanism (6) are including rotating install two drive roller (62) between mounting panel (61), the top surface of automobile body (1) is fixed with motor four (63), the one end of motor four (63) with the one end fixed connection of drive roller (62), hoist and mount top rotation of frame (11) is installed pulley two (65), the top surface of diaphragm (2) is fixed with rings (66), be fixed with steel cable (67) on drive roller (62), steel cable (67) are kept away from the one end of drive roller (62) is passed pulley two (65) with rings (66) fixed connection.

9. The hoisting equipment for construction of the spliced steel truss as claimed in claim 7, wherein: the utility model discloses a lifting device, including horizontal board (2), bracing piece (7) that the bottom surface both sides of horizontal board (2) all are fixed with slope setting, hoist and mount frame (11) are close to two guide way (73) have been seted up to the side of horizontal board (2), the bottom mounting of bracing piece (7) has slide (71) of vertical setting, slide (71) with hoist and mount frame (11) are close to each other the side laminating mutually, slide (71) are close to the side of hoist and mount frame (11) is fixed with guide block (72), guide block (72) are inserted and are located in guide way (73), guide block (72) are passed through guide way (73) are along vertical with hoist and mount frame (11) sliding connection.

10. The hoisting equipment for construction of the spliced steel truss as claimed in claim 9, wherein: the movable groove (75) is formed in the inner side face of the guide groove (73), the sliding blocks (74) are fixed on the two side faces of the guide block (72), the two sliding blocks (74) are respectively inserted into the two movable grooves (75), and the sliding blocks (74) are vertically and slidably connected with the lifting frame (11) through the movable grooves (75).