Portal frame for building engineering construction

Abstract

The utility model relates to the technical field of portal frames, and discloses a portal frame for building engineering construction, which comprises a cross beam and two stand columns, the upper parts of the stand columns are provided with through holes matched with the cross beam, the two ends of the cross beam respectively penetrate through the two through holes, vertical shafts are fixedly arranged in the through holes, and springs are sleeved on the vertical shafts; the vertical shaft penetrates through the cross beam, the cross beam is slidably connected with the vertical shaft, and the upper end and the lower end of the spring are fixedly connected with the bottom of the cross beam and the inner wall of the bottom of the through hole correspondingly. Through cooperative use of the cross beam, the stand column, the through hole, the vertical shaft, the spring, the feeler lever, the touch control switch and the alarm, the lifting overweight alarm function is achieved when a lifted building material is heavy, the use safety is improved, the height of the touch control switch can be adjusted through the sliding groove, the sliding block and the bakelite screw, and the safety is improved. Therefore, the maximum descending height of the cross beam is adjusted, so that the maximum allowable lifting weight of the portal frame is adjusted, and the portal frame is flexible and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to gantry technology field, concretely is a building engineering construction is with gantry. BACKGROUND

[0002] Gantry alias mobile hoist small gantry, gantry is by two uprights and a crossbeam for vertical transportation material and small component door type frame, gantry is applicable to manufacturing mould, garage, mine, civil engineering construction site and need hoisting occasion, common in building construction is used as material transportation and construction personnel's up and down, realizes hoisting mechanization, can reduce manpower, reduces production operation cost, improves work efficiency.

[0003] The patent file with the announcement number CN222181602U has been published, discloses a building engineering construction is with gantry, the patent file of this publication because the first upright is in the upper part and is equipped with the second upright through the lifting mechanism, the second upright top is hinged with the crossbeam through the first hinged seat, so that the use height of the crossbeam two ends is adjusted through the lifting mechanism, so as to meet the support use of the gantry of different height, and the stability and precision of lifting adjustment are higher, convenient and fast operation, but the above-mentioned published patent file cannot realize the hoisting overweight alarm function, the safety of use is low, and the maximum allowable hoisting weight of the gantry cannot be adjusted and controlled. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a building engineering construction is with gantry, solves the problem raised in the background art.

[0005] The application embodiment provides a building engineering construction is with gantry, including crossbeam and two uprights, the upper part of upright is equipped with the through hole matched with crossbeam, the both ends of crossbeam pass through two through holes respectively, the inside fixed mounting of through hole has vertical shaft, and spring is set on vertical shaft, vertical shaft penetrates crossbeam, and crossbeam and vertical shaft are connected slidingly, the upper and lower ends of spring are fixedly connected with the bottom of crossbeam and the bottom inner wall of through hole respectively, the both sides of crossbeam bottom are fixedly installed with touch rod, the top of upright is fixedly installed with alarm, and the opposite sides of two uprights are provided with touch control switch electrically connected with alarm, touch control switch is below touch rod, and touch control switch is adapted to touch rod.

[0006] Through the above-mentioned technical scheme, when the vertical shaft makes the crossbeam of the gantry hoisting building material move downward along the through hole and extrude the spring, when hoisting building material is heavy, the touch rod will touch the touch control switch to control the alarm of the alarm, realize hoisting overweight alarm function.

[0007] Optionally, the front and rear sides of the column bottom are fixedly installed with moving wheels, and the front and rear parts of the two sides of the column are integrally formed with protrusions, the top of the protrusion is fixedly installed with a hydraulic cylinder, and the bottom of the protrusion is provided with a chassis, and the output end of the hydraulic cylinder penetrates the protrusion and is fixedly installed with the top of the chassis.

[0008] By adopting the above technical scheme, the moving wheels facilitate the movement of the gantry, and in the lifting process, the chassis is driven downward by the hydraulic cylinder to lift the entire gantry, so that the moving wheels are suspended, thereby ensuring the stability during lifting.

[0009] Optionally, the opposite sides of the two columns are provided with sliding grooves, the inside of the sliding groove is slidably connected with a sliding block, one side of the sliding block is in the sliding groove, and a bakelite screw is threaded connected through the sliding block, and the touch switch is fixedly installed on the top of the sliding block outside the sliding groove.

[0010] By adopting the above technical scheme, the position of the sliding block in the sliding groove is adjusted, and the height of the touch switch is adjusted by rotating the bakelite screw to make one end of the bakelite screw contact and abut against the inner wall of the sliding groove, so that the maximum downward height of the cross beam is adjusted, and the maximum allowable lifting weight of the gantry is adjusted.

[0011] Optionally, the bottom of the chassis is provided with anti-skid lines.

[0012] By adopting the above technical scheme, the anti-skid performance of the chassis is increased.

[0013] Optionally, a matched electric hoist is arranged on the cross beam.

[0014] By adopting the above technical scheme, the building materials are conveniently lifted.

[0015] Optionally, the front and rear sides of the column are fixedly connected with reinforcing rods.

[0016] By adopting the above technical scheme, the strength of the column as a whole is increased.

[0017] Compared with the prior art, the beneficial effects of the technical scheme of the present application are as follows:

[0018] 1. The technical scheme of the present application realizes the overloading alarm function when lifting heavy building materials through the cooperation between the cross beam, the column, the through hole, the vertical shaft, the spring, the touch rod, the touch switch and the alarm, increases the safety of use, and the height of the touch switch can be adjusted through the sliding groove, the sliding block and the bakelite screw, so that the maximum downward height of the cross beam is adjusted, and the maximum allowable lifting weight of the gantry is adjusted, which is flexible and convenient to use.

[0019] 2. The technical solution of this application, through the use of moving wheels, protrusions, hydraulic cylinders, chassis and anti-slip texture, not only facilitates the movement of the gantry frame, but also lifts the entire gantry frame during hoisting, so that the moving wheels are suspended in the air, thus ensuring stability during hoisting. Attached Figure Description

[0020] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0023] Figure 3 This utility model Figure 1 Enlarged view of point B in the middle;

[0024] Figure 4 This is a schematic diagram of the structure of a protrusion of this utility model viewed from below.

[0025] In the diagram: 1. Crossbeam; 2. Column; 3. Through hole; 4. Alarm; 5. Caster wheel; 6. Protrusion; 7. Hydraulic cylinder; 8. Electric hoist; 9. Reinforcing rod; 10. Vertical shaft; 11. Spring; 12. Contact rod; 13. Slide groove; 14. Slider; 15. Touch switch; 16. Bakelite screw; 17. Chassis; 18. Anti-slip texture. Detailed Implementation

[0026] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0027] Please see Figures 1-3The utility model provides a portal frame for building engineering construction, including crossbeam 1 and two stand 2, and the upper portion of stand 2 is provided with the through -hole 3 matched with crossbeam 1, and the both ends of crossbeam 1 pass through two through -holes 3 respectively, and the inside fixed mounting of through -hole 3 has vertical shaft 10, and spring 11 is sleeved on vertical shaft 10, and vertical shaft 10 penetrates crossbeam 1, and crossbeam 1 is slidably connected with vertical shaft 10, and the upper and lower ends of spring 11 are fixedly connected with the bottom of crossbeam 1 and the bottom inner wall of through -hole 3 respectively, and the both sides of crossbeam 1 bottom are fixedly installed with contact lever 12, and the top of stand 2 is fixedly installed with alarm 4, and the opposite sides of two stands 2 are provided with touch -control switch 15 electrically connected with alarm 4, and touch -control switch 15 is below contact lever 12, and touch -control switch 15 is adapted with contact lever 12,

[0028] In the technical scheme, the crossbeam 1 is moved downward along the through -hole 3 and presses the spring 11 when the portal frame hoists the building materials, the contact lever 12 touches the touch -control switch 15 to control the alarm 4 to alarm when the hoisted building materials are heavy, the over -weight hoisting alarm function is realized, and the safety of use is increased.

[0029] In some technical schemes, as shown in Figure 1 and Figure 4 , the front and back sides of the bottom of the stand 2 are fixedly installed with the moving wheels 5, and the front and back parts of the two sides of the stand 2 are integrally formed with the protrusions 6, the top of the protrusion 6 is fixedly installed with the hydraulic cylinder 7, and the bottom of the protrusion 6 is provided with the chassis 17, and the output end of the hydraulic cylinder 7 penetrates the protrusion 6 and is fixedly installed with the top of the chassis 17.

[0030] When in use, the moving wheels 5 facilitate the movement of the portal frame, and the chassis 17 is driven downward by the hydraulic cylinder 7 during the hoisting process, the entire portal frame is lifted, and the moving wheels 5 are suspended, so that the stability during the hoisting process is ensured.

[0031] In some technical schemes, as shown in Figure 1 and Figure 3 , the opposite sides of the two stands 2 are provided with the sliding grooves 13, the sliding grooves 13 are slidably connected with the sliding blocks 14, one side of the sliding block 14 is in the sliding groove 13, and the glue wood screw 16 penetrates and is threadedly connected with the sliding block 14, and the touch -control switch 15 is fixedly installed on the top of the sliding block 14 outside the sliding groove 13.

[0032] When in use, the position of the sliding block 14 in the sliding groove 13 is adjusted, the glue wood screw 16 is rotated to make one end of the glue wood screw 16 contact and abut against the inner wall of the sliding groove 13, the height of the touch -control switch 15 is adjusted, the maximum downward height of the crossbeam 1 is adjusted, and the maximum allowable hoisting weight of the portal frame is adjusted, so that the use is flexible and convenient.

[0033] In some technical schemes, as shown in Figure 4As shown, the bottom of the chassis 17 is provided with anti-skid lines 18.

[0034] In use, the anti-skid lines 18 on the bottom of the chassis 17 increase the anti-skid performance of the chassis 17.

[0035] In some embodiments, as shown in Figure 1 As shown, the cross beam 1 is provided with a matching electric hoist 8.

[0036] In use, the electric hoist 8 facilitates hoisting and carrying of the building materials.

[0037] In some embodiments, as shown in Figure 1 As shown, the front and rear sides of the stand column 2 are fixedly connected with reinforcing rods 9.

[0038] In use, the reinforcing rods 9 increase the overall strength of the stand column 2.

[0039] Working principle: in use, the movement of the portal frame is facilitated by the moving wheels 5, and in the hoisting process, the chassis 17 is driven downward by the hydraulic cylinders 7 to lift the entire portal frame, so that the moving wheels 5 are suspended, which ensures the stability during hoisting. The vertical shaft 10 makes the cross beam 1 move downward along the through hole 3 and press the spring 11 when the portal frame hoists the building materials. When the hoisted building materials are heavy, the contact rod 12 will touch the touch switch 15 to control the alarm 4 to alarm, realizing the hoisting overweight alarm function and increasing the safety of use. The position of the adjusting slide block 14 in the sliding groove 13 is adjusted, and the rotation of the rubberwood screw 16 makes one end of the adjusting slide block 14 contact and abut against the inner wall of the sliding groove 13, so that the height of the touch switch 15 is adjusted, thereby adjusting the maximum downward height of the cross beam 1, so as to adjust the maximum allowable hoisting weight of the portal frame.

[0040] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A portal for construction engineering, comprising a crossbeam (1) and two uprights (2), characterized in that: The upper portion of the column (2) is provided with a through hole (3) matched with the cross beam (1), the two ends of the cross beam (1) pass through the two through holes (3) respectively, the inside of the through hole (3) is fixedly provided with a vertical shaft (10), the vertical shaft (10) is sleeved with a spring (11), the vertical shaft (10) penetrates the cross beam (1), and the cross beam (1) and the vertical shaft (10) are in sliding connection, the upper and lower ends of the spring (11) are fixedly connected with the bottom of the cross beam (1) and the inner wall of the bottom of the through hole (3) respectively, the two sides of the bottom of the cross beam (1) are fixedly provided with a touch rod (12), the top of the column (2) is fixedly provided with an alarm (4), and the opposite sides of the two columns (2) are provided with touch control switches (15) electrically connected with the alarm (4), the touch control switch (15) is below the touch rod (12), and the touch control switch (15) is matched with the touch rod (12).

2. The portal frame for construction work according to claim 1, wherein The front and rear sides of the bottom of the column (2) are fixedly provided with moving wheels (5), and the front and rear portions of the two sides of the column (2) are integrally formed with protrusions (6), the top of the protrusion (6) is fixedly provided with a hydraulic cylinder (7), and the bottom of the protrusion (6) is provided with a chassis (17), the output end of the hydraulic cylinder (7) penetrates the protrusion (6) and is fixedly installed on the top of the chassis (17).

3. The portal frame for construction work according to claim 1, wherein The opposite sides of the two columns (2) are provided with sliding grooves (13), the inside of the sliding groove (13) is slidably connected with a sliding block (14), one side of the sliding block (14) is in the sliding groove (13), and the sliding block (14) is penetrated and threadedly connected with a bakelite screw (16), the touch control switch (15) is fixedly installed on the top of the sliding block (14) outside the sliding groove (13).

4. The portal frame for construction work according to claim 2, wherein The bottom of the chassis (17) is provided with anti-skid lines (18).

5. The portal frame for construction work according to claim 1, wherein The cross beam (1) is provided with a matched electric hoist (8).

6. The portal frame for construction work according to claim 1, wherein The front and rear sides of the column (2) are fixedly connected with reinforcing rods (9).

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