A steel pipe clamp and a wall-attached tension clamp system for a ladder box

Abstract

The present invention provides a steel pipe clamp and a wall-attached tie clamp system for a ladder box, relating to the technical field of ladder box construction. It solves the problems caused by the prior art of connecting the ladder box and the wall-attached rod by welding and bolting. The wall-attached tie clamp system for the ladder box clamps the steel beams and steel columns of the ladder box from both sides by connecting the longitudinal rods with the steel pipe clamps. The steel pipe clamps used include tie bolts, two pipe clamps, and two tie steel plates. The two tie steel plates are oriented in the same direction and are relatively parallel. The two pipe clamps are arranged in the installation gap between the two tie steel plates and are arranged in sequence along the length direction of the tie steel plates. The tie bolts connect the two tie steel plates to adjust the installation gap width so that the two tie steel plates are in a clamped or relaxed state. In the clamped state, the two tie steel plates clamp the pipe clamps from both sides to prevent them from moving. In the relaxed state, the pipe clamps can adjust their positioning along the length direction of the tie steel plates. The present invention can realize the free turnover of the ladder box and the steel pipes, facilitate secondary sales, and improve stress.

Description

Technical Field

[0001] The invention relates to the technical field of ladder box construction, in particular to a steel pipe clamp and a wall-attached pulling clamp system of the ladder box. Background Art

[0002] In the construction of bridge projects, safety ladder boxes are used as safe passages. In the construction of pile-column piers, safety ladder boxes are the only access passages. Safety is paramount. Considering stability, according to the specifications, wall rods are installed every four meters if the distance exceeds four meters. The installation of wall rods is related to human life safety.

[0003] The ladder boxes are finished boxes, and the connection between the ladder boxes is bolt connection, such as Figure 7 As shown, in the construction of pile-column bridge projects, with regard to the current installation of the wall-attached rods for the ladder box, since there is no connection position for the installation of the wall-attached rods, the existing practice is generally to weld a thick steel plate with holes on the steel pipe at a later stage, and also weld a thick steel plate with holes on the safety ladder box, and connect the steel plate on the steel pipe with the steel plate on the safety ladder box by bolts. This method has major problems:

[0004] 1. After welding the steel plate, the steel pipe itself is difficult to turn over, resulting in this steel pipe can only be used in this ladder box.

[0005] 2. The depreciation and sale of the ladder box itself after the project is completed will affect its price.

[0006] 3. The residual stress of the steel in the welded parts will cause the stress-bearing performance of the safety ladder box to deteriorate, which will cause potential hazards. There is no elastic design between the connection parts, and the connection is rigid, so the component itself is in danger of being damaged.

[0007] 4. All the forces on the wall-mounted rods are transmitted to the steel columns through bolts and steel beams welded on the safety ladder in a concentrated manner, which will cause weak and uneven force at local points.

[0008] Under the action of wind load, the force exerted on the ladder box rods is tensile force. The node parts are welded, and only bolts are used to bear this part of the tensile force, which is not conducive to the overall stability. Summary of the Invention

[0009] The purpose of the present invention is to design a wall-attached pulling clamp system for a steel pipe clamp and a ladder box, which can completely connect the safety ladder box and the pier column through cold operation, realize the free turnover of the ladder box and the steel pipe, facilitate secondary sale, increase the stress area, reduce local load, and improve stress.

[0010] The present invention is achieved through the following technical solutions:

[0011] The present invention provides a steel pipe clamp, comprising a tension bolt, two pipe clamps and two tension steel plates;

[0012] The two tensioning steel plates are arranged in the same direction and relatively parallel to each other, and an installation gap with adjustable width is formed between the two tensioning steel plates;

[0013] The pipe clamp is used to detachably fix a steel pipe, and the two pipe clamps are arranged in the installation gap and arranged in sequence along the length direction of the tensioning steel plate. The two pipe clamps can be adjustably connected to the tensioning steel plate;

[0014] The tensioning bolts connect the two tensioning steel plates, and the tensioning bolts can adjust the width of the installation gap so that the two tensioning steel plates are in a clamped state or a relaxed state; in the clamped state, the two tensioning steel plates clamp the pipe clamp from both sides so that its positioning position cannot be adjusted along the length direction of the tensioning steel plates; in the relaxed state, the pipe clamp can adjust its positioning position along the length direction of the tensioning steel plates.

[0015] When using the above-mentioned structure, the two pipe clamps can each fix a steel pipe, and the pipe clamps can adjust the spacing between the two steel pipes to match the width of the ladder box's beams and columns. The two tensioning steel plates can be tightened by tensioning bolts to clamp the two pipe clamps, thereby maintaining a fixed, non-adjustable spacing between the two steel pipes and preventing the two steel pipes from shifting relative to each other. In this way, the steel pipe clamp can be used to clamp the two steel pipes to the ladder box, eliminating the need to weld steel plates to the ladder box and the steel pipes. Therefore, the safe ladder box and pier column can be connected entirely through cold working, allowing the ladder box and steel pipes to rotate freely, facilitating secondary sales, increasing the load-bearing area, reducing local loads, and improving stress resistance. The adjustable spacing between the two pipe clamps also enhances the reuse of the steel pipe clamp itself, making it suitable for ladder boxes of different sizes.

[0016] In order to further better realize the present invention, the following setting structure is particularly adopted: the pipe clamp includes two clamp halves and a pin connected to the back of the clamp half; the tensioning steel plate is provided with two pipe clamp slide grooves which are arranged in sequence in the length direction and located on the same straight line, and the pipe clamp slide groove extends along the length direction of the tensioning steel plate; the pins on the four clamp halves are vertically inserted into one of the pipe clamp slide grooves one by one, and the pipe clamp slide groove can prevent the pin from rotating around its own axis; a clamping claw adjustably connected to the tensioning steel plate is provided on the tensioning steel plate at the position of each of the pipe clamp slide grooves, and the clamping claw detachably clamps one of the pins one by one; in the relaxed state, the clamping claw can adjust its positioning position along the length direction of the tensioning steel plate and synchronously drive the pin and then drive the corresponding clamp half to adjust its positioning position along the length direction of the tensioning steel plate.

[0017] To further better implement the present invention, the following configuration is particularly adopted: a plate with screw holes is provided on one surface of the tensioning steel plate at both ends of each of the pipe clamp chutes; the clamping jaw includes an inner screw and an outer screw extending along the length direction of the tensioning steel plate, the inner screw passing through and screwed into the screw hole of the plate provided at one end of the corresponding pipe clamp chutes, and the outer screw passing through and screwed into the screw hole of the plate provided at the other end of the corresponding pipe clamp chutes;

[0018] Rotating the inner screw and the outer screw can adjust the spacing between their heads in the length direction of the tensioning steel plates for clamping or loosening the corresponding pins.

[0019] In order to further better realize the present invention, the following setting structure is particularly adopted: the head of the inner screw is movably connected to the inner clamping jaw head that can rotate about its axis, the head of the outer screw is movably connected to the outer clamping jaw head that can rotate about its axis, and the opposing surfaces of the inner clamping jaw head and the outer clamping jaw head are provided with a slot for clamping the pin.

[0020] When the above-mentioned arrangement structure is adopted, the stability of clamping the latch pin can be improved by arranging a rotatable clamping claw head at the head of the screw.

[0021] In order to further better realize the present invention, the following configuration is particularly adopted: the tail of the inner screw is screwed with an inner nut, and the tail of the outer screw is screwed with an outer nut.

[0022] Further: the outer nut is set as a butterfly nut.

[0023] When the above-mentioned setting structure is adopted, the operating space at the position of the outer nut will be more sufficient, and it can be conveniently operated after being set as a butterfly nut.

[0024] In order to further better realize the present invention, the following setting structure is particularly adopted: a rubber inner lining is provided on the inner side of the clamp half piece.

[0025] When the above-mentioned structure is adopted, the setting of the rubber inner liner can consume part of the load under sudden high wind load or repetitive wind load conditions, and turn the node into an elastic-plastic node, thereby reducing the force acting on the ladder box. The pipe clamp can not only prevent the two steel pipes from shifting against each other but also have a certain seismic performance.

[0026] In order to further better realize the present invention, the following setting structure is particularly adopted: the two clamp halves of the pipe clamp are fastened by bolts.

[0027] In order to further better realize the present invention, the following setting structure is particularly adopted: the two tensioning steel plates are connected by two tensioning bolts perpendicular to them, the two tensioning bolts are arranged in sequence along the width direction of the tensioning steel plates, and the two tensioning bolts are located between the two pipe clamps.

[0028] The present invention also provides a wall-attached pulling fixture system for a ladder box, comprising a ladder box, inner longitudinal bars, outer longitudinal bars, front transverse bars, wall-attached bars, piers, and the above-mentioned steel pipe fixture;

[0029] On the left and right sides of a certain level of the ladder box, there are respectively provided one outer row longitudinal rod and two inner row longitudinal rods arranged in sequence in the vertical direction;

[0030] The front and rear ends of the two inner row longitudinal rods located on the same side are respectively inserted into corresponding pipe clamps of a steel pipe clamp and fixedly connected and positioned. The two inner row longitudinal rods clamp the steel beams of the ladder box at the level from top to bottom to vertically fix the ladder box.

[0031] The front and rear ends of one of the outer row longitudinal rods and one of the inner row longitudinal rods located on the same side are respectively inserted into corresponding pipe clamps of one of the steel pipe clamps and fixedly connected and positioned. The connected outer row longitudinal rods and the inner row longitudinal rods clamp the steel columns of the ladder box from the left and right to play a role in horizontally fixing the ladder box;

[0032] The front cross bar is horizontally arranged on the front side of the ladder box, and the two ends of the front cross bar are fixedly connected to the outer row longitudinal bars and / or at least one inner row longitudinal bar on the corresponding side through cross fasteners;

[0033] The front and rear ends of the wall-attaching rod are respectively connected to the pier column and the front cross bar.

[0034] When using the above-mentioned structure, the two inner rows of longitudinal bars on the same side clamp the steel beams of the ladder box at that level from top to bottom to secure the ladder box vertically. The outer and inner rows of longitudinal bars on the same side clamp the steel columns of the ladder box from left to right to secure the ladder box horizontally. The outer rows of longitudinal bars on both sides are fixed to the wall attachments via the front crossbars, and the inner and outer rows of longitudinal bars are connected via steel pipe clamps. In this structural system, the connection between the ladder box and the pier column is entirely achieved through fastener-type structures. The entire installation process is a cold operation, which allows for free rotation of the ladder box and steel pipes, making assembly, disassembly, and transportation more convenient. It ensures that no welding is required during use and that the ladder box remains in its original factory appearance, making it easier to resell. The increased load-bearing area created by the connection method of clamping the ladder box with the longitudinal bars reduces local loads. The tensile force generated by the bending moment on the ladder box can be converted into compressive force via the steel pipe clamps and transferred to the vertical components of the ladder box in a uniformly distributed load manner, improving the load-bearing capacity.

[0035] In order to further better implement the present invention, the following setting structure is particularly adopted: it also includes a rear cross bar, which is horizontally arranged on the rear side of the ladder box, and the two ends of the rear cross bar are fixedly connected to the outer row of longitudinal bars and / or at least one of the inner row of longitudinal bars on the corresponding side through cross fasteners.

[0036] When the above-mentioned arrangement is adopted, the rear cross bar provided at the rear side of the ladder box connects the rod groups on both sides together, thereby enhancing safety.

[0037] The present invention has the following advantages and beneficial effects:

[0038] In the steel pipe clamp of the present invention, two pipe clamps can each fix a steel pipe, and the pipe clamps can adjust the spacing between the two steel pipes to match the width of the beams and columns of the ladder box. Two tensioning steel plates can be tightened by tensioning bolts to clamp the two pipe clamps, thereby maintaining the spacing between the two steel pipes in a fixed, non-adjustable state and preventing the two steel pipes from shifting relative to each other. In this way, the steel pipe clamp can be used to clamp the two steel pipes to the ladder box, eliminating the need to weld steel plates on the ladder box and the steel pipes. Therefore, the safe ladder box and the pier column can be connected completely through cold working, achieving free turnover of the ladder box and the steel pipes, facilitating secondary sales, increasing the stress-bearing area, reducing local loads, and improving stress. The adjustable spacing between the two pipe clamps also enhances the reuse of the steel pipe clamp itself, making it suitable for ladder boxes of different sizes.

[0039] In the wall-mounted clamp system for the ladder box of the present invention, the two inner rows of longitudinal bars on the same side clamp the steel beams of the ladder box at that level from top to bottom to secure the ladder box vertically. The outer and inner rows of longitudinal bars on the same side clamp the steel columns of the ladder box from left to right to secure the ladder box laterally. The outer rows of longitudinal bars on both sides are fixedly connected to the wall-mounted parts via the front crossbars, and the inner and outer rows of longitudinal bars are connected via steel pipe clamps. In this structural system, the connection between the ladder box and the pier column is entirely achieved through fastener-type structures. The entire installation process is a cold operation, which allows for free turnover of the ladder box and the steel pipes, making assembly, disassembly, and transportation more convenient. It ensures that no welding is required during use and that the ladder box remains in its original factory state, making it easier to resell. The increased stress area created by the connection between the longitudinal bars and the ladder box reduces local loads. The steel pipe clamps can convert the tensile force generated by the bending moment on the ladder box into compressive force, which is then transferred to the vertical components of the ladder box in a uniformly distributed load manner, thereby improving stress. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0041] Figure 1 The structure of the steel pipe clamp during assembly is shown;

[0042] Figure 2 The exploded structure of the steel pipe fixture is shown;

[0043] Figure 3 The structure of the wall-attached pull fixture system of the ladder box is shown;

[0044] Figure 4 The structure of the ladder box after connecting the inner row of longitudinal rods is shown;

[0045] Figure 5 The structure of the ladder box after connecting the outer row of longitudinal rods is shown;

[0046] Figure 6 The structure of the ladder box after connecting the front and rear cross bars is shown;

[0047] Figure 7 Shows the existing connection method between the ladder box and the wall attachment;

[0048] The following are marked in the figure:

[0049] 01. Ladder box; 02. Inner longitudinal bars; 03. Outer longitudinal bars; 04. Front crossbar; 05. Rear crossbar; 06. Steel pipe clamp; 07. Wall rod; 08. Pier column;

[0050] 1. Pipe clamp; 11. Clamp half; 12. Latch; 13. Rubber liner;

[0051] 2. Tensile steel plate; 21. Pipe clamp chute; 22. Orifice plate;

[0052] 3. Tension bolts;

[0053] 4. Clamping jaw; 41. Inner screw; 42. Outer screw; 43. Inner clamping jaw head; 44. Outer clamping jaw head; 45. Inner nut; 46. Outer nut. DETAILED DESCRIPTION

[0054] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0055] In the description of the present invention, it should be noted that, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0056] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention depending on the specific circumstances.

[0057] Example 1:

[0058] A steel pipe clamp can connect the safety ladder box and the pier column completely through cold operation, which can realize the free turnover of the ladder box and the steel pipe, facilitate secondary sales, increase the stress area, reduce local loads, and improve stress, such as Figures 1-6 As shown, it is particularly configured as follows:

[0059] The steel pipe clamp comprises a tension bolt 3, two pipe clamps 1 and two tension steel plates 2 which are detachably connected together.

[0060] Two rectangular tensioning steel plates 2 are arranged one above the other, oriented parallel to each other and forming a gap with adjustable width between them. The tensioning steel plates 2 are provided with two pipe clamping chutes 21 arranged in sequence along their length. These chutes 21 are of equal width and extend along the length of the tensioning steel plates 2, with their axes aligned.

[0061] The pipe clamp 1, constructed from existing components, is used to removably secure a steel pipe. Two pipe clamps 1 are positioned within the installation gap and arranged sequentially along the length of the tensioning steel plate 2. Both clamps 1 are adjustable and connected to the tensioning steel plate 2. The preferred pipe clamp 1 in this embodiment specifically comprises two clamp halves 11 and a latch 12 connected to the top of the back of the clamp halves 11. The clamp halves 11 are fastened together by bolts. The latch 12 comprises a square stud perpendicular to the tensioning steel plate 2. The latches 12 on the four clamp halves 11 of the two pipe clamps 1 are vertically inserted into a pipe clamp slot 21, corresponding to each other. The slot width of the pipe clamp slot 21 is approximately the same as the width of the latch 12 to prevent the latch 12 from rotating around its own axis.

[0062] A clamping jaw 4 adjustably connected to the tensioning steel plate 2 is provided at the position of each pipe clamping groove 21 on the tensioning steel plate 2. The clamping jaw 4 can adopt an existing clamping structure. The clamping jaw 4 can adjust its positioning position along the length direction of the tensioning steel plate 2. The clamping jaw 4 detachably clamps a pin 12 one by one.

[0063] Two tension bolts 3 are provided, and the two tension bolts 3 are arranged in sequence along the width direction of the tension steel plate 2. The two tension bolts 3 are located between the two pipe clamps 1. The two tension bolts 3 vertically pass through the two through holes opened in the middle of the two tension steel plates 2 and connect the two tension steel plates 2 through nuts. The width of the installation gap can be adjusted by the tension bolts 3 to put the two tension steel plates 2 in a clamped state or a relaxed state. In the clamped state, the two tension steel plates 2 clamp the pipe clamp 1 from both sides so that its positioning cannot be adjusted along the length direction of the tension steel plates 2. In the relaxed state, the clamp 4 can adjust its positioning along the length direction of the tension steel plates 2 and simultaneously drive the pin 12 and then drive the corresponding clamp half 11 to adjust its positioning along the length direction of the tension steel plates 2.

[0064] Each of the two pipe clamps 1 can secure a steel pipe, and the spacing between the two pipes can be adjusted to match the width of the ladder box's beams and columns. The two tensioning steel plates 2 can be tightened with tensioning bolts 3 to clamp the two pipe clamps 1, maintaining a fixed, unadjustable spacing between the two pipes and preventing them from shifting relative to each other. In this way, the steel pipe clamp 06 can be used to secure the two pipes to the ladder box by clamping them, eliminating the need for welding steel plates to the ladder box or the pipes. Therefore, the safe ladder box and pier column can be connected entirely through cold working, enabling free rotation of the ladder box and pipes, facilitating secondary resale, and increasing the load-bearing area to reduce local loads and improve stress resistance. The adjustable spacing between the two pipe clamps 1 also enhances the reusability of the steel pipe clamp 06, making it suitable for ladder boxes of varying sizes.

[0065] Example 2:

[0066] This embodiment is a further optimization based on the above embodiment. To better implement the present invention, the following configuration structure is particularly adopted:

[0067] In this embodiment, the clamping jaws 4 of the steel pipe clamp include an inner screw rod 41 and an outer screw rod 42 extending along the length direction of the tensioned steel plate 2 , wherein the four clamping jaws 4 include four inner screw rods 41 and four outer screw rods 42 .

[0068] Each tensioning steel plate 2 is provided with four orifice plates 22 arranged in parallel along its length. These orifice plates 22 extend along its width, and a threaded hole is located in the center of each orifice plate 22, extending along its length. Each tensioning steel plate 2 is provided with a perforated plate 22 at each end of each pipe clamp chute 21. An inner screw 41 of a clamping jaw 4 is threadedly engaged with a threaded hole in the orifice plate 22 at one end of the corresponding pipe clamp chute 21, while an outer screw 42 is threadedly engaged with a threaded hole in the orifice plate 22 at the other end of the corresponding pipe clamp chute 21. Rotating the inner and outer screws 41, 42 adjusts the spacing between their respective heads along the length of the tensioning steel plate 2. This spacing adjustment can be used to tighten or loosen the corresponding latch 12.

[0069] As a preferred arrangement for the clamping jaw 4 in this embodiment, the head of the inner screw 41 is movably connected to an inner clamping jaw head 43 that can rotate about its axis, and the head of the outer screw 42 is movably connected to an outer clamping jaw head 44 that can rotate about its axis. U-shaped slots for retaining the latch 12 are also provided on the opposing surfaces of the inner clamping jaw head 43 and the outer clamping jaw head 44. Under this preferred structure, the provision of a rotatable clamping jaw head at the screw head can improve the stability of the clamping of the latch 12. In addition, an inner nut 45 can be screwed onto the tail of the inner screw 41, and an outer nut 46 can be screwed onto the tail of the outer screw 42. Considering that the position of the outer nut 46 provides a large operating space, in order to facilitate the operation of the outer nut 46, the outer nut 46 is preferably configured as a butterfly nut.

[0070] In this embodiment, the pipe clamp 1 and the tensioning steel plate 2 in the steel pipe clamp 06 adopt a movable mortise and tenon structure, and the screw-type clamp has the effect of both adjusting and fixing the position.

[0071] It should be noted that the inner screw 41 and the outer screw 42 of the clamping jaw 4 in this embodiment can also be replaced by a single bolt without a clamping jaw head and a nut.

[0072] Example 3:

[0073] This embodiment is a further optimization based on any of the above embodiments. To better implement the present invention, the following configuration structure is particularly adopted:

[0074] In this embodiment, a rubber inner liner 13 is provided on the inner side of the clamp half 11 of the steel pipe clamp. The setting of the rubber inner liner 13 can consume part of the load under sudden strong wind load or repetitive wind load conditions, and change the node into an elastic-plastic node, thereby reducing the force of the load acting on the ladder box, so that the pipe clamp 1 can not only prevent the two steel pipes from shifting against each other but also have a certain seismic resistance.

[0075] Example 4:

[0076] This embodiment further provides a wall-mounted pull fixture system for a ladder box, particularly employing the following configuration:

[0077] This type of wall-mounted fixture system for a ladder box includes a ladder box 01, inner row longitudinal bars 02, outer row longitudinal bars 03, front crossbars 04, wall-mounted bars 07, piers 08, and the steel pipe fixture 06 described in any of the above-mentioned embodiments. This type of wall-mounted fixture system for a ladder box includes a rod assembly on each side of a particular level of the ladder box 01. The rod assembly includes an outer row longitudinal bar 03 and two inner row longitudinal bars 02 arranged vertically in sequence. Furthermore, a horizontally disposed front crossbar 04 is located at the front of the ladder box 01 at the same level. Two inner rows of longitudinal rods 02, located on the same side of the ladder box 01, extend horizontally through the inside of the steel columns. Their front and rear ends are inserted into corresponding pipe clamps 1 of a steel pipe fixture 06, securing them in place. These inner rows of longitudinal rods 02 clamp the steel beams of the ladder box 01 at that level from top to bottom, securing the ladder box 01 vertically. An outer row of longitudinal rods 03 is installed horizontally on the outside of the steel columns of the ladder box 01. Each outer row of longitudinal rods 03 and the inner row of longitudinal rods 02 on the same side are aligned horizontally. Their front and rear ends are inserted into corresponding pipe clamps 1 of a steel pipe fixture 06, securing them in place. The connected outer and inner rows of longitudinal rods 03 and 02 clamp the steel columns of the ladder box 01 from left to right, securing the ladder box 01 laterally. The left and right ends of the front crossbar 04 are fixedly connected to the corresponding outer row of longitudinal bars 03 and / or at least one inner row of longitudinal bars 02 via conventional cross fasteners. The rear end of the wall attachment bar 07 is connected to the pier 08, and the front end of the wall attachment bar 07 is fixedly connected to the front crossbar 04 via conventional cross fasteners.

[0078] In this embodiment, the two inner rows of longitudinal bars 02 on the same side clamp the steel beams of the ladder box 01 at that level from top to bottom to secure the ladder box 01 vertically. The outer rows of longitudinal bars 03 and the inner rows of longitudinal bars 02 on the same side clamp the steel columns of the ladder box 01 from left to right to secure the ladder box 01 laterally. The outer rows of longitudinal bars 03 on both sides are fixedly connected to the wall attachment bars 07 via the front cross bars 04. The inner rows of longitudinal bars 02 and the outer rows of longitudinal bars 03 are connected via steel pipe clamps 06. In this structural system, the connection between the ladder box and the pier 08 is achieved entirely through fastener-type structures. The entire installation process is a cold operation, which allows for free rotation of the ladder box and steel pipes, making assembly, disassembly and transportation more convenient. This ensures that the ladder box is not welded during use and remains in its original factory appearance, making it easier to resell. The increased stress-bearing area created by the connection form of clamping the ladder box 01 with the longitudinal rod achieves the effect of reducing local loads. The tensile force generated by the bending moment on the ladder box 01 can be converted into pressure through the steel pipe clamp 06 and transferred to the vertical components of the ladder box 01 in the form of a uniformly distributed load, thereby improving the stress.

[0079] Example 5:

[0080] This embodiment is a further optimization based on the above embodiment. To better implement the present invention, the following configuration structure is particularly adopted:

[0081] In this embodiment, the wall-mounted clamp system for the ladder box further includes a rear crossbar 05, which is horizontally disposed on the rear side of the ladder box 01 and is coplanar with the front crossbar 04. The ends of the rear crossbar 05 are fixedly connected to the corresponding outer longitudinal bars 03 and / or at least one inner longitudinal bar 02 via conventional cross fasteners.

[0082] In this embodiment, the rear cross bar 05 provided at the rear side of the ladder box 01 connects the rod groups on both sides together, which can enhance safety.

[0083] The wall-attached pull fixture system of the ladder box of the present invention comprises the following steps during installation:

[0084] In the first step, the rubber inner liner 13 and the corresponding two clamp halves 11 are installed on the inner longitudinal rod 02 and the outer longitudinal rod 03 and the corresponding pipe clamp 1 is installed on each of the inner longitudinal rod 02 and the outer longitudinal rod 03 by tightening the bolts.

[0085] In the second step, the inner screw 41 and the outer screw 42 as well as the inner nut 45 and the outer nut 46 matching the inner screw 41 and the outer screw 42 are installed on the tension steel plate 2.

[0086] The third step is to assemble the tensioning steel plates 2 between the two inner rows of longitudinal rods 02 on the same side, insert the pin 12 of the pipe clamp 1 into the corresponding pipe clamp slot 21, and temporarily fix the two tensioning steel plates 2 through two tensioning bolts 3 to ensure that the tensioning steel plates 2 do not fall off. At this time, the tensioning bolts 3 must not be tightened to facilitate the adjustment of the spacing between the two inner rows of longitudinal rods 02.

[0087] The fourth step is to adjust the position of the inner row of longitudinal rods 02 through the inner nut 45 and the outer nut 46 of the clamp 4, and then tighten the tension bolts 3 to fix the position of the inner row of longitudinal rods 02, so that the two inner row of longitudinal rods 02 clamp the steel beams of the ladder box 01 at this level from the top and bottom to vertically fix the ladder box 01.

[0088] The fifth step is to assemble the tensioning steel plates 2 between an outer row of longitudinal rods 03 and an inner row of longitudinal rods 02 on the same side, insert the pin 12 of the pipe clamp 1 into the corresponding pipe clamp slot 21, and temporarily fix the two tensioning steel plates 2 with two tensioning bolts 3 to ensure that the tensioning steel plates 2 do not fall off. At this time, the tensioning bolts 3 must not be tightened to facilitate the adjustment of the spacing between the inner row of longitudinal rods 02 and the outer row of longitudinal rods 03.

[0089] In the sixth step, after adjusting the positions of the inner row longitudinal rods 02 and the outer row longitudinal rods 03 through the inner nut 45 and the outer nut 46 of the clamp 4, tighten the tension bolts 3 to fix the positions of the inner row longitudinal rods 02 and the outer row longitudinal rods 03, so that the connected outer row longitudinal rods 03 and the inner row longitudinal rods 02 clamp the steel columns of the ladder box 01 from the left and right to play a role in horizontally fixing the ladder box 01.

[0090] Step 7: Connect the front cross bar 04 and the rear cross bar 05 to the rod groups on both sides of the ladder box 01 through cross fasteners.

[0091] Step 8: Connect the front cross bar 04 to the wall-mounted bar 07 via a cross fastener.

[0092] The above description is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field can easily think of changes or replacements within the technical scope disclosed by the present invention, which should be covered by the scope of protection of the present invention.

Claims

1. A steel pipe clamp, characterized in that: It includes tension bolts (3), two pipe clamps (1) and two tension steel plates (2); The two tensioning steel plates (2) are arranged in the same direction and relatively parallel to each other, and a width-adjustable installation gap is formed between the two tensioning steel plates (2); The pipe clamp (1) is used to detachably fix a steel pipe, and the two pipe clamps (1) are arranged in the installation gap and arranged in sequence along the length direction of the tensioning steel plate (2), and the two pipe clamps (1) can be adjustably connected to the tensioning steel plate (2); The tension bolts (3) connect the two tension steel plates (2), and the tension bolts (3) can adjust the width of the installation gap so that the two tension steel plates (2) are in a clamped state or a loosened state; in the clamped state, the two tension steel plates (2) clamp the pipe clamp (1) from both sides so that the positioning position thereof cannot be adjusted along the length direction of the tension steel plates (2); in the loosened state, the pipe clamp (1) can adjust its positioning position along the length direction of the tension steel plates (2); The pipe clamp (1) comprises two clamp halves (11) and a latch (12) connected to the back of the clamp halves (11); The tensioning steel plate (2) is provided with two pipe clamping grooves (21) arranged in sequence in the longitudinal direction thereof and located on the same straight line, and the pipe clamping grooves (21) extend along the longitudinal direction of the tensioning steel plate (2); The latches (12) on the four clamp half pieces (11) are vertically inserted into a pipe clamp chute (21) in a one-to-one correspondence, and the pipe clamp chute (21) can prevent the latches (12) from rotating around their own axes; A clamping claw (4) adjustably connected to the tensioning steel plate (2) is provided at each position of the pipe clamping groove (21) on the tensioning steel plate (2), and the clamping claw (4) detachably clamps one of the latch pins (12) in a one-to-one correspondence; In the relaxed state, the clamping claw (4) can adjust its positioning position along the length direction of the tensioning steel plate (2) and simultaneously drive the latch (12) and then drive the corresponding clamp half piece (11) to adjust its positioning position along the length direction of the tensioning steel plate (2); A perforated plate (22) with screw holes is provided on one surface of the tensioning steel plate (2) at both ends of each pipe clamping groove (21); The clamping jaw (4) includes an inner screw (41) and an outer screw (42) extending along the length direction of the tensioning steel plate (2), the inner screw (41) passing through and being screwed into a screw hole of the orifice plate (22) provided at one end of the corresponding pipe clamping chute (21), and the outer screw (42) passing through and being screwed into a screw hole of the orifice plate (22) provided at the other end of the corresponding pipe clamping chute (21); Rotating the inner screw (41) and the outer screw (42) can adjust the spacing between their heads in the length direction of the tensioning steel plate (2) to clamp or loosen the corresponding latch (12); The two clamp halves (11) of the pipe clamp (1) are fastened by bolts.

2. The steel pipe clamp according to claim 1, characterized in that: The head of the inner screw (41) is movably connected to an inner clamping claw head (43) that can rotate about its axis, and the head of the outer screw (42) is movably connected to an outer clamping claw head (44) that can rotate about its axis. The opposing surfaces of the inner clamping claw head (43) and the outer clamping claw head (44) are provided with a slot for clamping the pin (12).

3. A steel pipe clamp according to claim 2, characterized in that: The tail of the inner screw (41) is threadedly connected to an inner nut (45), and the tail of the outer screw (42) is threadedly connected to an outer nut (46).

4. The steel pipe clamp according to claim 1, characterized in that: A rubber inner lining (13) is provided on the inner side of the hoop half piece (11).

5. The steel pipe clamp according to claim 1, characterized in that: The two tensioning steel plates (2) are connected by two tensioning bolts (3) perpendicular thereto. The two tensioning bolts (3) are arranged in sequence along the width direction of the tensioning steel plates (2). The two tensioning bolts (3) are located between the two pipe clamps (1).

6. A wall-mounted clamp system for a ladder box, characterized by: It comprises a ladder box (01), an inner row of longitudinal bars (02), an outer row of longitudinal bars (03), a front side cross bar (04), a wall attachment bar (07), a pier (08) and a steel pipe clamp (06) according to any one of claims 1 to 5; On the left and right sides of a certain level of the ladder box (01), there are respectively provided one outer row longitudinal rod (03) and two inner row longitudinal rods (02) arranged in sequence in the vertical direction; The front and rear ends of the two inner row longitudinal rods (02) located on the same side are respectively inserted into a corresponding pipe clamp (1) of a steel pipe clamp (06) for fixed connection and positioning, and the two inner row longitudinal rods (02) clamp the steel beam of the ladder box (01) at the layer from top to bottom to play a role in vertically fixing the ladder box (01); The front and rear ends of an outer row longitudinal rod (03) and an inner row longitudinal rod (02) located on the same side are respectively inserted into a corresponding pipe clamp (1) of a steel pipe clamp (06) for fixed connection and positioning. The connected outer row longitudinal rod (03) and the inner row longitudinal rod (02) clamp the steel columns of the ladder box (01) from the left and right to play a role in horizontally fixing the ladder box (01); The front cross bar (04) is horizontally arranged on the front side of the ladder box (01), and the two ends of the front cross bar (04) are fixedly connected to the outer row longitudinal bars (03) and / or at least one inner row longitudinal bar (02) on the corresponding side through cross fasteners; The front and rear ends of the wall attachment rod (07) are respectively connected to the pier column (08) and the front side cross bar (04).

7. The wall-attaching clamp system for a ladder box according to claim 6, characterized in that: It also includes a rear cross bar (05), which is horizontally arranged on the rear side of the ladder box (01), and the two ends of the rear cross bar (05) are fixedly connected to the outer row longitudinal bars (03) and / or at least one inner row longitudinal bar (02) on the corresponding side through cross fasteners.

Images