Portal frame for building engineering construction

Abstract

The portal frame comprises a base, a first stand column is installed in the middle of the upper side of the base, a second stand column is arranged on the upper portion in the first stand column through a lifting mechanism, a cross beam is hinged to the top of the second stand column through a first hinge seat, and a first stable supporting rod is hinged to one side of the lower portion of the first stand column through a second hinge seat. A second stand column is arranged on the upper portion of the interior of the first stand column through a lifting mechanism, a cross beam is hinged to the top of the second stand column through a first hinge seat, a second stable support rod is inserted into one end of the first stable support rod, and a stable support plate is hinged to one end of the second stable support rod through a third hinge seat. The use height of the two ends of the cross beam can be conveniently adjusted through the lifting mechanism, portal frames of different heights can be supported and used, the stability and precision of lifting adjustment are high, and operation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry frames, in particular to a gantry frame used for construction engineering. Background Art

[0002] It is commonly used in construction to transport materials and lift construction workers up and down, realizing the mechanization of lifting. It can reduce manpower, reduce production and operation costs, and improve work efficiency.

[0003] In the prior art, a gantry for construction engineering with application number 202023136144.X includes a base, a fixed seat A, a fixed seat B, a fixed seat C, a side rod A and a support column. Through an external power supply, the hydraulic cylinder, the motor A and the motor B are started to work, and the hydraulic cylinder drives the hydraulic rod to extend and retract, so that the anti-skid pad is against the ground to prop up the equipment, thereby improving the stability and convenience of the equipment, and facilitating the construction of the workers and improving the construction efficiency. However, it is not convenient to independently adjust the use height of the two ends of the beam, so it is difficult to meet the use and processing of the gantry support at different heights, and the stability and accuracy of the lifting and lowering adjustment are low, and the operation is inconvenient. Utility Model Content

[0004] The utility model aims to provide a gantry for construction engineering, so as to solve the problems in the prior art that it is inconvenient to independently adjust the use height of the two ends of the beam, thus it is difficult to meet the use and processing of gantry supports of different heights, and the stability and accuracy of the lifting and lowering adjustment are low, and the operation is inconvenient.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gantry for construction engineering, comprising a base, a first column is installed in the middle of the upper side of the base, a second column is provided in the upper inner part of the first column through a lifting mechanism, a crossbeam is hinged to the top of the second column through a first hinge seat, a first stabilizing support rod is hinged to one side of the lower part of the first column through a second hinge seat, a second stabilizing support rod is inserted into one end of the first stabilizing support rod, and a stabilizing support plate is hinged to one end of the second stabilizing support rod through a third hinge seat.

[0006] Furthermore, a reinforcing plate is vertically provided between the base and the first column, and a pulley is provided on the lower side of the base.

[0007] Furthermore, the first hinge seat, the second hinge seat and the third hinge seat each include a fixed hinge seat and a pin shaft fixed to the other end, and both ends of the pin shaft are rotatably connected to the ear seat of the fixed hinge seat.

[0008] Furthermore, the lifting mechanism includes a screw rod rotatably arranged in the middle of the base and the first column, the lower end of the second column is threadedly connected to the screw rod through a limiting slider, and one end of the screw rod is connected to the adjusting shaft through a gear set.

[0009] Furthermore, a limiting sliding groove is provided inside the first column, and the outer side of the lower portion of the second column is slidably arranged with the limiting sliding groove, and a cavity is provided inside the lower end of the second column.

[0010] Furthermore, the gear set includes a driven gear arranged on the outer side of the lower end of the screw rod, one end of the adjustment shaft is provided with a driving gear meshingly connected to the driven gear, and one end of the adjustment shaft is provided with an adjustment handle.

[0011] Furthermore, a locking bolt is provided on one side of the lower end of the first stabilizing support rod, and an anti-slip rib is provided on the lower end of the stabilizing support plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides a second column through a lifting mechanism in the upper inner part of the first column, a crossbeam is hinged on the top of the second column through a first hinge seat, the lifting mechanism includes a screw rod rotatably arranged on the base and the middle inner part of the first column, the lower end of the second column is threadedly connected to the screw rod through a limiting slider, one end of the screw rod is connected to an adjusting shaft through a gear set transmission, so that the second column can be lifted and lowered by rotating the adjusting screw rod, which is convenient for independently adjusting the use height of the two ends of the crossbeam, thereby meeting the use and processing of gantry supports of different heights, and the lifting and lowering adjustment has high stability and precision, and the operation is convenient and quick.

[0014] The utility model has a first stabilizing support rod hingedly connected to one side of the lower part of the first column through a second hinge seat, a second stabilizing support rod is inserted into one end of the first stabilizing support rod, and a stabilizing support plate is hingedly connected to one end of the second stabilizing support rod through a third hinge seat. Through the first stabilizing support rod, the second stabilizing support rod and the stabilizing support plate, a stabilizing support treatment can be performed between one side of the lower end of the first column and the ground, which is beneficial to improving the stability of the lower side supports at both ends of the gantry frame. Moreover, the stabilizing support plate can be retracted to one side of the first column when not in use, thereby improving the flexibility of support use.

[0015] The utility model provides a locking bolt on one side of the lower end of the first stabilizing support rod, which is convenient for locking the second stabilizing support rod that is inserted into one end of the first stabilizing support rod, thereby facilitating the adjustment of the use length of the stabilizing support rod. In addition, the lower end of the stabilizing support plate is provided with an anti-skid convex rib, which increases the anti-skid property of the lower end of the stabilizing support plate, which is beneficial to improving the stability of the stabilizing support plate and the ground support. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the stable support rod structure of the utility model;

[0019] Figure 3 This is a main screenshot of the connection structure between the first column and the second column of the utility model.

[0020] In the figure: 1. base; 2. first column; 3. second column; 4. first hinge seat; 5. crossbeam; 6. second hinge seat; 7. first stabilizing support rod; 8. second stabilizing support rod; 9. third hinge seat; 10. stabilizing support plate; 11. anti-slip ribs; 12. locking bolt; 13. reinforcing plate; 14. adjusting shaft; 15. adjusting handle; 16. cavity; 17. screw rod; 18. limiting slider; 19. driven gear; 20. driving gear; 21. limiting slide groove; 22. pulley. Implementation

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 The gantry for construction engineering comprises a base 1, a first column 2 is installed in the middle part of the upper side of the base 1, a second column 3 is arranged in the upper part of the first column 2 through a lifting mechanism, and a cross beam 5 is hinged on the top of the second column 3 through a first hinge seat 4, so as to independently adjust the use height of the two ends of the cross beam 5, thereby meeting the use processing of the gantry support of different heights, and the stability and precision of the lifting and lowering adjustment are high, and the operation is convenient and fast. A first stabilizing support rod 7 is hinged on one side of the lower part of the first column 2 through a second hinge seat 6, a second stabilizing support rod 8 is inserted in one end of the first stabilizing support rod 7, and a stabilizing support plate 10 is hinged on one end of the second stabilizing support rod 8 through a third hinge seat 9, which can perform a stabilizing support processing between one side of the lower end of the first column 2 and the ground, which is beneficial to improve the stability of the support at both ends of the gantry, and the stabilizing support plate 10 can be retracted on one side of the first column 2 when not in use, thereby improving the flexibility of the support use. A reinforcing plate 13 is vertically provided between the base 1 and the first column 2, and a pulley 22 is provided on the lower side of the base 1, so as to facilitate the movement, adjustment and use of the gantry.

[0023] The first hinge seat 4, the second hinge seat 6 and the third hinge seat 9 all include a fixed hinge seat and a pin shaft fixed to the other end, and the two ends of the pin shaft are rotatably connected to the ear seat of the fixed hinge seat, so as to facilitate the handover between the second column 3 and the crossbeam 5, between the second hinge seat 6 and the first stable support rod 7, and between the second stable support rod 8 and the stable support plate 10. A locking bolt 12 is provided on one side of the lower end of the first stable support rod 7, so as to facilitate the locking of the second stable support rod 8 inserted into one end of the first stable support rod 7, thereby facilitating the adjustment of the use length of the stable support rod. The lower end of the stable support plate 10 is provided with an anti-skid convex rib 11, which increases the anti-skid property of the lower end of the stable support plate 10, and is conducive to improving the stability of the stable support plate 10 and the ground support.

[0024] The lifting mechanism includes a screw rod 17 rotatably arranged in the middle of the base 1 and the first column 2, and the lower end of the second column 3 is threadedly connected to the screw rod 17 through a limit slider 18, and one end of the screw rod 17 is connected to the adjustment shaft 14 through a gear set transmission, so that the second column 3 can be raised and lowered by rotating the screw rod 17, which is convenient for independently adjusting the use height of the two ends of the crossbeam 5, so as to meet the use of gantry support at different heights, and the stability and precision of the lifting adjustment are high, and the operation is convenient and fast. A limit slide groove 21 is set inside the first column 2, and the outer side of the lower part of the second column 3 is slidably set with the limit slide groove 21, and a cavity 16 is set inside the lower end of the second column 3, so that the second column 3 can be slidably guided when the lifting and lowering adjustment is performed, which is conducive to improving the stability of the lifting and lowering adjustment of the second column 3.

[0025] The gear set includes a driven gear 19 arranged on the outer side of the lower end of the screw rod 17, a driving gear 20 meshingly connected to the driven gear 19 is provided at one end of the adjusting shaft 14, and an adjusting handle 15 is provided at one end of the adjusting shaft 14. The gear set adopts a bevel gear, which is convenient for driving the screw rod 17 to rotate forward and reverse through the adjusting shaft 14.

[0026] The working principle and use process of the utility model are as follows: when in use, since the second column 3 is provided at the upper inner part of the first column 2 through the lifting mechanism, the top of the second column 3 is hinged with the cross beam 5 through the first hinge seat 4, the lifting mechanism includes a screw rod 17 rotatably arranged at the middle part of the base 1 and the first column 2, the lower end of the second column 3 is threadedly connected to the screw rod 17 through a limiting slider 18, and one end of the screw rod 17 is connected to the adjusting shaft 14 through a gear set transmission, so that the second column 3 can be raised and lowered by rotating the screw rod 17, which is convenient for independently adjusting the use height of the two ends of the cross beam 5, thereby meeting the use processing of gantry supports of different heights, and the stability and precision of the lifting adjustment are high, and the operation is convenient and quick.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gantry for construction engineering, comprising a base (1), Features: A first column (2) is installed in the middle of the upper side of the base (1); a second column (3) is provided in the upper inner part of the first column (2) via a lifting mechanism; a crossbeam (5) is hingedly connected to the top of the second column (3) via a first hinge seat (4); a first stabilizing support rod (7) is hingedly connected to one side of the lower part of the first column (2) via a second hinge seat (6); a second stabilizing support rod (8) is inserted into one end of the first stabilizing support rod (7); and a stabilizing support plate (10) is hingedly connected to one end of the second stabilizing support rod (8) via a third hinge seat (9).

2. A gantry for construction engineering according to claim 1, Features: A reinforcing plate (13) is vertically provided between the base (1) and the first column (2), and a pulley (22) is provided on the lower side of the base (1).

3. A gantry for construction engineering according to claim 1, Features: The first hinge seat (4), the second hinge seat (6) and the third hinge seat (9) all comprise a fixed hinge seat and a pin shaft fixedly arranged at the other end, and both ends of the pin shaft are rotatably connected to the ear seat of the fixed hinge seat.

4. A gantry for construction engineering according to claim 1, Features: The lifting mechanism comprises a screw rod (17) rotatably arranged in the middle of the base (1) and the first column (2); the lower end of the second column (3) is threadedly connected to the screw rod (17) via a limit slider (18); one end of the screw rod (17) is connected to the adjustment shaft (14) via a gear train.

5. A gantry for construction engineering according to claim 4, Features: A limiting slide groove (21) is provided inside the first column (2), and the outer side of the lower part of the second column (3) is slidably arranged with the limiting slide groove (21), and a cavity (16) is provided inside the lower end of the second column (3).

6. A gantry for construction engineering according to claim 4, Features: The gear set comprises a driven gear (19) arranged outside the lower end of the screw rod (17), one end of the adjustment shaft (14) is provided with a driving gear (20) meshingly connected to the driven gear (19), and one end of the adjustment shaft (14) is provided with an adjustment handle (15).

7. A gantry for construction engineering according to claim 1, Features: A locking bolt (12) is provided at one side of the lower end of the first stabilizing support rod (7), and an anti-slip convex rib (11) is provided at the lower end of the stabilizing support plate (10).

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