CN115478671A - Support frame for civil construction - Google Patents

Abstract

The invention relates to a support frame for civil construction, which comprises a support frame body, wherein a pedal is connected to the support frame body, and a base is connected to the lower end of the support frame body; the left part of footboard is provided with the rectangle through-hole, and the footboard is connected at the support unit top through the couple, the base includes box and supporting leg, and the supporting leg includes sleeve and flexible leg, and flexible leg is located the sleeve, the sleeve includes first barrel and second barrel, flexible leg includes telescopic link, drive wheel and follows the driving wheel, the supporting leg receives hand pump control. The invention can lead workers to directly adjust the position of the support frame above the support frame, and the support frame and the ground are not supported by wheels, thereby avoiding the support frame from sliding.

Description

A support frame for civil engineering

technical field

The invention relates to the technical field of civil construction, in particular to a support frame for civil construction.

Background technique

Civil engineering is a general term for the science and technology of building various engineering facilities. It not only refers to the applied materials, equipment and technical activities such as survey, design, construction, maintenance and repair; , production, military, and various engineering facilities for scientific research services.

During civil construction, the non-load-bearing structural walls in the building need to be built by workers alone, and when the non-load-bearing structural walls are built, support frames are needed to assist in the construction.

The patent document with the application number CN202022098984.5 discloses a portable bracket for civil engineering construction, including a base, a storage slot is opened in the middle of the upper end of the base, and four sets of rollers are movably installed on the two side walls of the base , right above the rollers and on the upper surface of the base are all inserted with latches, the upper end of the base is symmetrically provided with four sets of support columns, the bottom of the support columns is provided with limit pins, the bottom of the support columns The end is movably installed with a connecting rod through a limit pin.

During the construction process, workers can only work on the part directly facing the support. Before constructing parts other than the support, the workers need to climb down the support and adjust the position of the support so that the support corresponds to the position that needs to be constructed, which is convenient for construction. During the construction process Workers often need to climb down the support, adjust the position of the support, and then climb up the support for construction.

Contents of the invention

In order to solve the problem that the existing support frame requires workers to often adjust the position of the support frame up and down, the present invention provides a support frame for civil engineering, the purpose of which is to provide a support frame that does not require workers to go up and down The position is adjusted, and there is no wheel support between the support frame and the ground to avoid slippage of the support frame.

In order to achieve the above object, technical scheme of the present invention is:

A support frame for civil engineering, comprising a support body and a pedal, a pedal is lapped above the support body, and a base is connected to the lower end of the support body;

The base includes a box body and supporting legs. The upper surface of the cover plate of the box body is socket-connected with the bracket body. The right end of the box body is connected to an oil tank. The bottom surface of the box body is provided with four supporting legs. Telescopic legs, the sleeve is fixed on the bottom surface of the box, and the telescopic legs are located in the sleeve. The telescopic legs include a telescopic rod, a driving wheel group and a driven wheel group. The upper end of the telescopic rod is connected with a sliding contact with the upper inner wall of the sleeve The piston plate and the driven wheel group are rotatably connected to the lower end of the telescopic rod, and the telescopic rod between the piston plate and the driven wheel group is rotatably connected to a driving wheel group, and the driving wheel group and the driven wheel group are connected through a chain;

The upper end of the bracket body is socket-connected with a hand pump, one end of the hand pump is connected to a first pipeline, and the other end is connected to a second pipeline, the first pipeline extends into the bottom of the fuel tank, and the lower end of the second pipeline Protruding into the box and connecting with four third pipes, the four third pipes are respectively connected to the upper ends of the four sleeves;

The lower part of the sleeve is vertically fixed with a tooth plate that makes the driving wheel set rotate.

Further, the sleeve includes an upper first cylinder and a lower second cylinder, the top center of the second cylinder communicates with the lower end of the first cylinder, and a square through hole is provided in the center of the bottom plate of the second cylinder , the piston plate is in sliding contact with the inner wall of the first cylinder, and the inside of the first cylinder above the piston plate communicates with the third pipeline.

Further, the driving wheel set includes a first rotating shaft, a first sprocket, a one-way bearing and a gear, gears are respectively installed at both ends of the first rotating shaft, and a one-way bearing is fixedly connected to the outer periphery of the middle part of the first rotating shaft, and the one-way bearing The outer ring of the second rotating shaft is fixedly connected to the first sprocket, and the driven wheel set includes a second rotating shaft, a second sprocket and a roller, rollers are respectively installed at both ends of the second rotating shaft, and the second sprocket is fixedly connected to the outer periphery of the middle part of the second rotating shaft , the second sprocket is connected to the first sprocket via a chain.

Further, there are two tooth plates, the two tooth plates are parallel to each other, and are respectively meshed with a gear, and the upper ends of the two tooth plates are fixed on the inner top of the second cylinder.

Further, when the upper surface of the piston plate is in contact with the inner top surface of the first cylinder, the gear meshes with the teeth on the upper part of the gear plate, the upper end of the first sprocket is on the same level as the lower end of the first cylinder, and the lower end of the roller is in contact with the lower end of the second cylinder. The lower ends of the body are on the same level.

Further, the lower part of the first cylinder body is fixedly connected with a limit ring sleeved outside the telescopic rod, and the telescopic rod is in sliding contact with the limit ring, and the distance between the inner top surface of the first cylinder and the limit ring The distance is greater than the distance between the second rotating shaft and the first rotating shaft, and the distance between the lower end of the tooth plate and the inner bottom surface of the second cylinder is greater than the radius of the gear. lower teeth.

Further, the hand pump includes a pump body and a socket rod, the pump body has a crank handle, and the socket rod is connected with a chain.

Further, the pedal is provided with a detachable and foldable guardrail, the hand pump is located at the upper end of the guardrail, and the left end of the cover plate is provided with a channel opening to the right, and the channel is used for the first pipeline and the second pipeline. through.

Further, the tooth plates in the four supporting legs are fixed on the right inner wall of the second cylinder on the side opposite to the gear, and the one-way bearings on the four supporting legs have the same rotation direction; or the four supporting legs Among the two supporting legs, the tooth plates of the two supporting legs located on the left side of the bottom surface of the box body are fixed on the left side inner wall of the second cylindrical body on the side opposite to the meshing gear, and the two tooth plates located on the right side of the bottom surface of the box body The tooth plate of the supporting leg is fixed on the right side inner wall of the second cylinder on the side opposite to the meshing gear, and the one-way bearings on the four supporting legs have the same rotation direction; or among the four supporting legs, the The direction of rotation of the one-way bearings of the two supporting legs on the left of the bottom of the box is opposite to that of the one-way bearings of the two supporting legs on the right of the bottom of the box. One side of the back is fixed on the inner wall on the right side of the second cylindrical body.

Further, an anti-skid plate is connected to the bottom surface of the second cylinder outside the through hole, and the anti-skid plate is a frame-shaped plate made of rubber.

Through the above technical scheme, the beneficial effects of the present invention are:

Compared with the prior art, the present invention enables workers to adjust the position of the support frame when they are on the top of the support frame, which is more convenient and saves construction time.

When the present invention is moving, the rollers of the supporting legs are in contact with the ground, which facilitates the movement. When there is no need to move, the rollers are not in contact with the ground, so that the risk of slippage of the support frame is avoided when the support frame does not need to move.

The present invention can conveniently switch between the moving state and the fixed state, and is convenient to use. Compared with the existing support frame, the present invention is convenient to use and quick to adjust, can save unnecessary time waste, and improve construction efficiency.

When the present invention is not in use, the bracket body can be accommodated, which reduces the occupied space and prevents the components from being scattered.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the front view of the present invention;

Fig. 3 is the sectional front view of support leg of the present invention;

Fig. 4 is the A-A direction sectional view of Fig. 3;

Fig. 5 is the B-B direction sectional view of Fig. 3;

Fig. 6 is an enlarged view of part C of Fig. 4;

Fig. 7 is a schematic diagram of the connection between the hand pump and the first pipeline, the second pipeline and the third pipeline of the present invention.

The labels in the accompanying drawings are: 1, x-shaped connector; 2, climbing frame; 3, pedal; 4, hand pump; 5, fuel tank; 6, box body; 7, cover plate; 8, sleeve; 9, lock; 10. first cylinder; 11. second cylinder; 12. circular through hole; 13. limit ring; 14. through hole; 15. gear plate; 16. telescopic rod; 17. drive wheel group; 18, driven wheel set; 19, piston plate; 20, n-shaped groove; 21, gear; 22, first rotating shaft; 23, first sprocket wheel; 24, one-way bearing; 25, roller; 26, second sprocket wheel ; 27, the second shaft; 28, chain; 29, rocking handle; 30, socket rod; 31, chain; 32, through groove; 33, the first pipeline; 34, the second pipeline; 35, the third pipeline; 36 , anti-skid plate; 37, guardrail; 38, handle.

detailed description

The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

As shown in Figures 1 to 7, a support frame for civil engineering includes a support body and a pedal. The support body is composed of a plurality of support units socketed and connected. Each support unit includes two x-shaped Connector 1 and two left and right opposite climbing frames 2, each of the x-shaped connectors 1 is composed of two rods hinged in the middle, and the ends of the two rods constituting the x-shaped connector 1 are respectively connected to two climbing frames. Climbing frame 2, the climbing frame 2 is composed of a plurality of cross bars connected between two columns, a pedal 3 is lapped above the bracket body, and the pedal 3 is a rectangular plate body, and the left and right ends of the pedal 3 Two hooks are respectively provided, the pedal 3 is overlapped on the top of the uppermost support unit among the plurality of support units through the hook, and the lower end of the support body is connected with a base;

The base is a box-shaped structure, the base includes a box 6 and supporting legs, the box 6 is a hollow cuboid with an open upper end, the upper opening of the box 6 is provided with a cover plate, and the cover plate 7 is rectangular The upper end opening of the box body 6 is covered by the cover plate 7, the rear side of the cover plate 7 is connected with the upper end opening of the box body 6 via a hinge shaft, and the front side is connected with the upper end opening of the box body 6 via a lock 9. The upper surface of the cover plate 7 of the body 6 is socket-connected with the bracket body, and the top surface of the cover plate 7 is provided with four connecting holes for socketing the bracket unit, and the cover plate 7 and the bracket body are socket-connected through the four connection holes , the right end of the box body is connected with an oil tank 5, and there is hydraulic oil in the oil tank 5, and four support legs are arranged on the bottom surface of the box body 6, and the support legs include a sleeve 8 and a telescopic leg, and the sleeve 8 is fixed on the box body 6 On the bottom surface, the telescopic legs are located in the sleeve 8. The telescopic legs include a telescopic rod 16, a driving wheel set 17 and a driven wheel set 18. The upper end of the telescopic rod 16 is located in the upper part of the sleeve 8 and is connected with the sleeve 8. The piston plate 19 that the upper inner wall slides in contact with, the lower end of the telescopic rod 16 is located in the lower end of the sleeve 8, and the driven wheel group 18 is rotatably connected to the lower end of the telescopic rod 16, and the telescopic rod 16 between the piston plate 19 and the driven wheel group 18 is rotatably connected with The driving wheel set 17 located in the lower part of the sleeve 8, the driving wheel set 17 is connected with the driven wheel set 18 via a chain 28;

The upper end of the bracket body is socket-connected with a hand pump 4, one end of the hand pump 4 is connected with a first pipeline 33, and the other end is connected with a second pipeline 34, and the first pipeline 33 extends into the bottom of the fuel tank 5, The lower end of the second pipeline 34 extends into the box body 6 and communicates with four third pipelines 35. The four third pipelines 35 run through the bottom plate of the box body 6 and communicate with the upper ends of the four sleeves 8 respectively;

The lower part of the sleeve 8 is vertically fixed with a toothed plate 15 which makes the driving wheel set 17 in a rotating state, and teeth are arranged on the end surface of the toothed plate 15 facing the telescopic legs.

The sleeve 8 includes an upper first cylindrical body 10 and a lower second cylindrical body 11, the first cylindrical body 10 is a square cylindrical body with an open lower end, the second cylindrical body 11 is a hollow cuboid, and the second cylindrical body 11 is a hollow cuboid. The side length of the horizontal section of a cylindrical body 10 is smaller than the short side length of the horizontal section of the second cylindrical body 11, the lower end of the first cylindrical body 10 is fixedly connected to the top plate of the second cylindrical body 11, and the center of the top of the second cylindrical body 11 communicates with The lower end of the first cylinder 10, the center of the bottom plate of the second cylinder 11 is provided with a square through hole 14, the piston plate 19 is a square plate, the piston plate 19 is in sliding contact with the inner wall of the first cylinder 10, and the piston plate 19 is in sliding contact with the inner wall of the first cylinder 10. 19 above the first cylinder 10 internally connected to the third pipe 35, the center of the top plate of the first cylinder 10 is provided with a circular through hole 12, the circular through hole 12 runs through the top plate of the first cylinder 10, so The circular through hole 12 communicates with a third pipeline 35 .

The bottom of the telescopic rod 16 is provided with an n-shaped groove 20 with an open lower end. The left and right ends of the n-shaped groove 20 run through the left and right sides of the telescopic rod 16 respectively. , the drive wheel set 17 includes a first rotating shaft 22, a first sprocket 23, a one-way bearing 24 and a gear 21, the first rotating shaft 22 runs through the front and rear sides of the telescopic rod 16 and the n-shaped groove 20, the first rotating shaft 22 Gears 21 located on the front side and the rear side of the telescopic rod 16 are respectively installed at both ends, and the two gears 21 mesh with the tooth plate 15 respectively, and the outer periphery of the middle part of the first rotating shaft 22 is fixedly connected with a one-way bearing 24 located in the upper part of the n-shaped groove 20 , the one-way bearing adopts CKA2052 one-way bearing, and the outer ring of the one-way bearing 24 is fixedly connected with the first sprocket 23, and the diameter of the first sprocket 23 is larger than the outer diameter of the gear 21, and the driven wheel set 18 includes the second Rotating shaft 27, the second sprocket wheel 26 and roller 25, described second rotating shaft 27 runs through telescopic link 16 front and rear sides and n-shaped groove 20 lower ends, and the two ends of second rotating shaft 27 are respectively fixedly equipped with roller 25, and described roller 25 The lower end is lower than the telescopic rod 16 lower end, and the outer periphery of the second rotating shaft 27 is fixedly connected with the second sprocket wheel 26 located in the lower end of the n-shaped groove 20. The diameter of the second sprocket wheel 26 is less than the diameter of the roller 25, and the second sprocket wheel 26 The first sprocket 23 is connected via a chain 28 .

There are two tooth plates 15, the two tooth plates 15 are parallel to each other, and respectively mesh with a gear 21, the upper ends of the two tooth plates 15 are fixed on the inner top of the second cylinder 11, and The opposite side of the gear 21 is fixed on the inner side wall of the second cylinder 11. The tooth plate 15 is a vertical plate with teeth evenly distributed from top to bottom toward the side of the gear 21. The upper and lower ends of the tooth plate 15 The distance is greater than the distance between the upper end of the gear 21 and the upper end of the roller 25 .

When the upper surface of the piston plate 19 is in contact with the inner top surface of the first cylinder 10, the gear 21 meshes with the teeth on the upper part of the tooth plate 15, the upper end of the first sprocket 23 is on the same level as the lower end of the first cylinder 10, and the roller 25 The lower end is on the same level as the lower end of the second cylindrical body 11 .

The lower part of the first cylinder 10 is fixedly connected with a limit ring 13 that is sleeved outside the telescopic rod 16. The telescopic rod 16 is in sliding contact with the limit ring 13, and the inner top surface of the first cylinder 10 reaches the limit position. The distance between the rings 13 is greater than the distance between the second rotating shaft 27 and the first rotating shaft 22, the distance between the lower end of the tooth plate 15 and the inner bottom surface of the second cylinder 11 is greater than the radius of the gear 21, and the piston plate 19 When in contact with the stop ring 13, the gear 21 breaks away from the teeth at the bottom of the tooth plate 15. At this time, the roller 25 can rotate arbitrarily, which is convenient for workers to promote the present invention after the construction is finished, without carrying and saving physical strength.

The hand pump 4 includes a pump body and a socket rod 30, a rocking handle 29 is arranged on the pump body, a handle 38 is provided on the pump body, and a chain 31 is connected to the socket rod 30, and the chain 31 can limit shaking. The rotation of the handle 29, the pump body adopts a YSSB type bidirectional manual oil pump or a 3461010-RP100 type hand pump.

The pedal 3 is provided with a detachable and foldable guardrail 37. The guardrail 37 is a "C"-shaped frame structure composed of three guard nets with the opening facing backward. The guard net is a rectangular plate body, and the guard net The lower ends are all hinged with the pedal 3, and the three protective nets are hinged in turn. The hand pump 4 is located at the upper end of the guardrail 37, and the left end of the cover plate 7 is provided with a through groove 32 opening to the right, and the through groove 32 is provided for the first pipeline. 33 and the second pipeline 34 pass through, and the first pipeline 33 first passes through the through groove 32 and then penetrates the side wall of the fuel tank 5 and extends into the bottom of the fuel tank 5 .

An anti-skid plate 36 is connected to the bottom surface of the second cylinder 11 outside the through hole 14. The anti-skid plate 36 is a frame-shaped plate made of rubber. When the telescopic legs are located in the sleeve 8, the supporting legs pass through the anti-skid plate. 36 stands on the ground and will not slide.

Embodiment one:

The tooth plate 15 in the four supporting legs is fixed on the right inner wall of the second cylinder 11 on the opposite side of the gear 21, and the one-way bearings 24 on the four supporting legs have the same rotation direction.

When the selected one-way bearing 24 is such that the inner ring can only rotate clockwise with respect to the outer ring, and the counterclockwise rotation will lock it, the components constituting the bracket unit are taken out from the box body 6 and assembled into a bracket body, the support body is socket-connected to the cover plate 7, the pedal 3 is lapped on the support body, the worker can climb the pedal 3 from the climbing frame 2 to carry out construction operations, and when it is necessary to move the support frame, it is only necessary to rotate the hand Shake the crank handle 29 of the pump so that the hydraulic oil in the oil tank 5 flows into the first cylinder above the piston plate 19 of the four supporting legs through the first pipeline 33, the hand pump 4, the second pipeline 34 and the third pipeline 35 10, the hydraulic oil flowing into the inside of the first cylinder 10 above the piston plate 19 will press the telescopic rod 16 downward, and when the telescopic rod 16 moves downward, the tooth plate 15 in the supporting leg drives the gear 21 to rotate counterclockwise, and the gear When 21 rotates, the first rotating shaft 22 and the one-way bearing 24 drive the first sprocket 23 to rotate counterclockwise, the first sprocket 23 drives the second sprocket 26 to rotate, and the second sprocket 26 drives the roller 25 to rotate counterclockwise. When the roller 25 at the lower end of the rod 16 stretches out from the lower end of the second cylindrical body 11 and continues to extend downward, it can drive the support frame to move to the left.

When the worker reversely rotates the rocker 29 of the hand pump 4, the hydraulic oil flows back into the oil tank 5, and the telescopic rod 16 retracts into the second cylinder 11. During the retraction process of the telescopic rod 16, because the one-way bearing does not The gear 21 and the first rotating shaft 22 are then restricted, so that the support frame does not move during the retraction process of the telescopic rod 16 .

After the construction is completed, the support frame body can be stored in the box body. After storage, the piston plate 19 can be brought into contact with the stop ring 13 by rotating the handle 29 of the hand pump 4, and the adjustment roller 25 can extend out of the second cylinder 11. , the gear 21 is separated from the teeth at the bottom of the tooth plate 15, and the chain is used to limit the rotation of the rocker 29. The rotation of the roller 25 is no longer restricted by the tooth plate 15, so that the support frame after storage can be moved conveniently. Finally, the restriction on the crank handle 29 is removed, and the crank handle 29 is shaken to make the second roller 25 return to the second cylindrical body 11 , and then the hand pump 4 is accommodated in the box body 6 .

Embodiment two:

This embodiment is basically the same as Embodiment 1, and the same parts will not be repeated. The difference is that among the four supporting legs on the bottom of the box 6, the tooth plates of the two supporting legs on the left side of the bottom of the box 6 are 15 is fixed on the left inner wall of the second cylindrical body 11 on the side opposite to the gear 21, and the tooth plate 15 of the two supporting legs located on the right part of the bottom surface of the box body 6 is fixed on the second side opposite to the gear 21. On the right side inner wall of cylinder 11, the one-way bearings on the four supporting legs have the same rotation direction.

When the selected one-way bearing 24 is that the inner ring can only rotate clockwise relative to the outer ring, and the counterclockwise rotation will lock it, make the roller 25 at the lower end of the telescopic rod 16 protrude from the lower end of the second cylindrical body 11 and continue to extend downward Can drive support frame to move to the left during this time, and when the roller 25 of telescoping rod 16 lower ends retracts in the second barrel 11 lower end, can drive support frame to move to the left equally.

Workers can rotate the rocking handle 29 of the hand pump 4 in the forward direction (without making the gear 21 disengage from the teeth on the tooth plate 15) and then reversely rotate the rocking handle 29 of the hand pump 4 to make the present invention continue to move to the left. , so that the movement of the support frame can be adjusted on the support frame without repeatedly climbing the support frame, and when the left end of the present invention is facing the uphill direction, the present invention will not slide down.

Embodiment Three

This embodiment is basically the same as Embodiment 1, and the same parts will not be repeated. The difference is that among the four supporting legs, the rotation direction of the one-way bearings 24 of the two supporting legs located on the left side of the bottom surface of the box body 6 The direction of rotation of the one-way bearings 24 of the two supporting legs on the right side of the bottom surface of the box body 6 is opposite to that of the one-way bearings 24 of the two supporting legs. side wall

When the one-way bearing 24 selected in the two supporting legs on the right is an inner ring that can only rotate clockwise relative to the outer ring, it will be locked if it rotates counterclockwise; the one-way bearing selected in the two supporting legs on the left 24 is that the inner ring can only rotate counterclockwise relative to the outer ring, and the usage when clockwise rotation will be locked is that the crank handle 29 of the hand pump is rotated so that the hydraulic oil in the oil tank 5 passes through the first pipeline 33, the hand pump The pump 4, the second pipeline 34 and the third pipeline 35 flow into the inside of the first cylinder 10 above the piston plate 19 of the four supporting legs, and the hydraulic oil flowing into the inside of the first cylinder 10 above the piston plate 19 will move the telescopic rod When 16 is pressed down, the telescopic rod 16 moves downward relative to the second cylinder 11, and the gear plate 15 in the sleeve 8 on the right side of the lower surface of the box body 6 drives the gear 21 to rotate counterclockwise. When the gear 21 rotates The first rotating shaft 22 and the one-way bearing 24 drive the first sprocket 23 to rotate counterclockwise, the first sprocket 23 drives the second sprocket 26 to rotate, and the second sprocket 26 drives the roller 25 to rotate counterclockwise. When the roller 25 stretches out from the lower end of the second cylindrical body 11 and continues to extend downward, it can drive the support frame to move to the left; at the same time, the tooth plate 15 in the sleeve 8 on the left side of the lower surface of the box body 6 drives the gear 21 in reverse. Rotate clockwise, because when the support frame moves to the left, the roller 25 on the left part of the lower surface of the casing 6 rotates counterclockwise equally, so the roller 25 drives the second sprocket 26 and the first sprocket 23 to rotate counterclockwise, and the lower surface of the casing 6 rotates counterclockwise. The first sprocket 23 in the sleeve 8 on the left rotates counterclockwise synchronously with the connected first rotating shaft 22, without driving force, the present invention can move to the left smoothly.

And the rocker 29 of reverse rotation hand pump, hydraulic oil returns in the oil tank 5, and telescopic rod 16 retracts in the second cylinder body 11, and in the retraction process of telescopic rod 16, the left part of the lower surface of box body 6 The gear plate 15 in the sleeve 8 drives the gear 21 to rotate clockwise. When the gear 21 rotates, the first rotating shaft 22 and the one-way bearing 24 drive the first sprocket 23 to rotate clockwise, and the first sprocket 23 drives the second sprocket 26. Rotate, the second sprocket 26 drives the roller 25 to rotate clockwise, and the roller 25 at the lower end of the telescopic rod 16 can drive the support frame to move to the right during the retraction process; at the same time, the sleeve 8 on the right side of the lower surface of the casing 6 The inner gear plate 15 drives the gear 21 to rotate clockwise. When the support frame moves to the right, the roller 25 on the right part of the lower surface of the casing 6 also rotates clockwise, so the roller 25 drives the second sprocket 26 and the first sprocket 23. Rotate clockwise, the first sprocket 23 in the sleeve 8 on the right part of the lower surface of the casing 6 rotates clockwise synchronously with the connected first rotating shaft 22, without driving force, the present invention can move to the right smoothly.

And because the one-way bearings on the left and right in the four support legs of the casing 6 bottom surface rotate in the opposite direction, even on the ground with a slope, the state of slipping down can not be produced.

Namely: Embodiment 3 of the present invention moves to the left when the supporting legs are stretched out, and moves to the right when the supporting legs are retracted. Construction operations such as wiring at high places.

The preferred implementation of the present invention has been described in detail above in conjunction with the accompanying drawings, however, the present invention is not limited to the above embodiments, and various modifications can be made to the technical solution of the present invention within the scope of the disclosure without departing from the spirit of the present invention.

Claims (10)

1. The support frame for the civil construction comprises a support frame body and a pedal (3), wherein the pedal (3) is lapped above the support frame body, and is characterized in that the lower end of the support frame body is connected with a base;

the base comprises a box body (6) and supporting legs, the upper surface of a cover plate (7) of the box body (6) is connected with a support body in a socket joint mode, the right end of the box body (6) is connected with an oil tank (5), four supporting legs are arranged on the bottom surface of the box body (6), each supporting leg comprises a sleeve (8) and a telescopic leg, the sleeves (8) are fixed on the bottom surface of the box body (6), the telescopic legs are located in the sleeves (8), each telescopic leg comprises a telescopic rod (16), a driving wheel set (17) and a driven wheel set (18), the upper end of each telescopic rod (16) is connected with a piston plate (19) in sliding contact with the inner wall of the upper portion of each sleeve (8), each driven wheel set (18) is rotatably connected to the lower end of each telescopic rod (16), each telescopic rod (16) between each piston plate (19) and each driven wheel set (18) is rotatably connected with each driving wheel set (17), and each driving wheel set (17) is connected with each driven wheel set (18) through a chain (28);

the upper end of the support body is connected with a hand pump (4) in a socket joint mode, one end of the hand pump (4) is connected with a first pipeline (33), the other end of the hand pump is connected with a second pipeline (34), the first pipeline (33) extends into the bottom of the oil tank (5), the lower end of the second pipeline (34) extends into the tank body (6) and is communicated with four third pipelines (35), and the four third pipelines (35) are respectively communicated with the upper ends of the four sleeves (8);

a toothed plate (15) which enables the driving wheel set (17) to be in a rotating state is vertically fixed in the lower portion of the sleeve (8).

2. A supporting frame for civil construction according to claim 1 wherein the sleeve (8) comprises a first cylinder (10) at the upper part and a second cylinder (11) at the lower part, the top center of the second cylinder (11) is communicated with the lower end of the first cylinder (10), the center of the bottom plate of the second cylinder (11) is provided with a square through hole (14), the piston plate (19) is in sliding contact with the inner wall of the first cylinder (10), and the inside of the first cylinder (10) above the piston plate (19) is communicated with a third pipeline (35).

3. The supporting frame for the civil construction as claimed in claim 2, wherein the driving wheel set (17) comprises a first rotating shaft (22), a first chain wheel (23), a one-way bearing (24) and a gear (21), the gear (21) is respectively installed at two ends of the first rotating shaft (22), the one-way bearing (24) is fixedly connected to the outer periphery of the middle part of the first rotating shaft (22), the first chain wheel (23) is fixedly connected to the outer ring of the one-way bearing (24), the driven wheel set (18) comprises a second rotating shaft (27), a second chain wheel (26) and a roller (25), the roller (25) is respectively installed at two ends of the second rotating shaft (27), the second chain wheel (26) is fixedly connected to the outer periphery of the middle part of the second rotating shaft (27), and the second chain wheel (26) is connected to the first chain wheel (23) through a chain (28).

4. A supporting frame for civil construction according to claim 3, characterized in that there are two toothed plates (15), the two toothed plates (15) are parallel to each other and are respectively engaged with a gear (21), and the upper ends of the two toothed plates (15) are fixed on the inner top of the second cylinder (11).

5. A supporting frame for civil construction according to claim 4 wherein, when the upper surface of the piston plate (19) contacts the inner top surface of the first cylinder (10), the gear (21) engages teeth on the upper part of the toothed plate (15), the upper end of the first chain wheel (23) is on the same horizontal plane with the lower end of the first cylinder (10), and the lower end of the roller (25) is on the same horizontal plane with the lower end of the second cylinder (11).

6. The supporting frame for the civil construction according to claim 4, wherein a limiting ring (13) sleeved outside the telescopic rod (16) is fixedly connected in the lower portion of the first cylinder (10), the telescopic rod (16) is in sliding contact with the limiting ring (13), the distance from the inner top surface of the first cylinder (10) to the limiting ring (13) is greater than the distance from the second rotating shaft (27) to the first rotating shaft (22), the distance from the lower end of the toothed plate (15) to the inner bottom surface of the second cylinder (11) is greater than the radius of the gear (21), and when the piston plate (19) is in contact with the limiting ring (13), the gear (21) is separated from teeth at the lowest end of the toothed plate (15).

7. A support frame for civil construction according to claim 1 wherein the hand pump (4) comprises a pump body and a socket rod (30), the pump body is provided with a rocking handle (29), and the socket rod (30) is connected with a chain (31).

8. A supporting frame for civil construction according to claim 2 wherein the pedal (3) is provided with a detachable folding guardrail (37), the hand pump (4) is positioned at the upper end of the guardrail (37), the left end of the cover plate (7) is provided with a through groove (32) with a rightward opening, and the through groove (32) is used for the first pipeline (33) and the second pipeline (34) to pass through.

9. The supporting frame for the civil construction according to claim 4, wherein one side surface of the toothed plate (15) of the four supporting legs, which is opposite to the gear (21), is fixed on the inner wall of the right side of the second cylinder body (11), and the unidirectional bearings (24) on the four supporting legs have the same rotation direction; or in the four supporting legs, one side surface of the toothed plates (15) of the two supporting legs positioned at the left part of the bottom surface of the box body (6) and opposite to the meshed gear (21) is fixed on the inner wall of the left side of the second cylinder body (11), one side surface of the toothed plates (15) of the two supporting legs positioned at the right part of the bottom surface of the box body (6) and opposite to the meshed gear (21) is fixed on the inner wall of the right side of the second cylinder body (11), and the rotation directions of the one-way bearings (24) on the four supporting legs are the same; or among the four supporting legs, the rotating directions of the one-way bearings (24) of the two supporting legs positioned at the left part of the bottom surface of the box body (6) are opposite to the rotating directions of the one-way bearings (24) of the two supporting legs positioned at the right part of the bottom surface of the box body (6), and one side faces, back to the back, of the toothed plates (15) and the meshed gears (21) of the four supporting legs are fixed on the inner wall of the right side of the second barrel body (11).

10. A bracing frame for civil construction according to claim 2, wherein a non-slip plate (36) is connected to the bottom surface of the second cylinder (11) outside the through hole (14), and the non-slip plate (36) is a frame-shaped plate body made of rubber.

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