CN215168025U - Simple force transmission device for erecting support - Google Patents

Abstract

The utility model discloses a simple force transmission device for erecting a bracket, which comprises a main upright post and a liftable post, a force transmission piece and a dragging seat, wherein the inner parts of the main upright post and the liftable post are hollow, the force transmission piece is symmetrically arranged below the dragging seat, universal balls are embedded in the two force transmission pieces, and the free ends of the universal balls are in universal rotation connection with the two force transmission pieces; the universal ball fixed end is connected to the middle of the top end of the lifting column. The utility model discloses can realize that the adjustment is nimble, simple to operate drags the seat and can transmit the gravity of building for passing power piece, passes power piece and transmits again for head mast and liftable post, subducts the direct axial atress of head mast for the building with drag the seat and can effectively pass power. The utility model discloses can realize that the adjustment is nimble, simple to operate, the utility model provides a drag the seat and can transmit the gravity of building for passing power piece, pass power piece retransmission and give head mast and liftable post, subduct the direct axial atress of head mast for the building with drag the seat and can effectively pass power, reach and support more firm reliable.

Description

Simple force transmission device for erecting support

Technical Field

The utility model relates to a force transfer device, it is specific relate to a simple and easy force transfer device that is used for the support to set up, belong to the supplementary technical field of building construction articles for use.

Background

Generally speaking, with the continuous development of highway construction in China, various bridge types are very numerous, one of the most common support cast-in-place box girders is also constructed in large quantity, the common supports in the cast-in-place girder construction process comprise a fastener type support, a bowl type fastener type support and a disc type fastener type support, and the supports are widely applied with points convenient for assembly and disassembly, no matter what type of support, a force transmission device is adopted at the top end of a vertical rod of the support and used for erecting a back ridge of a bottom die, because floor slabs and the bottom surfaces of cross beams are horizontal planes in a building project, the vertical rod of the support is vertical to a floor, the existing force transmission device can ensure that the back ridge of the bottom die and a support seat of the force transmission device are tightly attached to each other to meet the stress state of the support, but for highway bridges, due to the limitation of topography and the specification requirements, road lines are generally provided with longitudinal slopes, and the curve parts are also provided with transverse slopes, the bottom surface that can not make every bridge all keeps the level, make support stand and roof beam body bottom surface out of plumb like this, and produce certain contained angle, current power transmission device, its bracket and pole setting mutually perpendicular, bracket and screw rod carry out welded connection in processing production, can not the rotation each other, when laying the bottom surface back of the body stupefied, produce an contained angle between bracket and the back of the body stupefied, cause not laminating between bracket and the back of the body stupefied, there is the space, it is a line contact state in fact, and not the face contact of ideal, this kind of actual stress state is not identical with the calculation hypothesis, the incident takes place easily.

Therefore, in order to solve the above problems, it is necessary to develop a simple force transmission device for a bracket, which has high safety and high operational reliability, and is a key point for solving the above technical problems.

Disclosure of Invention

To a great deal of defect and not enough that exist among the above-mentioned background art, the utility model discloses improve and the innovation to this, aim at provides one kind and can realize that the adjustment is nimble, simple to operate, the utility model provides a drag seat (5) can transmit the gravity of building for pass power piece (4), pass power piece (4) and pass again and give head mast (1) and liftable post (2), subdue the direct axial atress of head mast (1) for the building can effectively pass power with dragging seat (5), reaches to support more firm reliable.

The utility model discloses another invention purpose reaches novel in design reasonable, the operation is simple and easy convenient, drags seat (5) to realize the free rotation through universal ball, adapts to various operating condition completely, and the dismouting is nimble, and firm in connection, repetitious usage can reduce construction cost, also can reduce the potential safety hazard, and the civilized construction management in job site of being convenient for is applicable to the temporary support of prefabricated die block, the stupefied crossbeam of back of the body and floor.

In order to solve the above problems and achieve the above objects, the present invention provides a simple force transmission device for erecting a support, which is realized by adopting the following design structure and the following technical scheme:

as the utility model relates to an improvement of a simple force transmission device for erecting a support, the force transmission device comprises a main upright post (1) with a hollow inner part and a liftable column (2) screwed and installed in the main upright post (1), wherein the liftable column (2) is in lifting and movable fit with the main upright post (1) and is fastened into a whole through an adjustable fastener (3), the force transmission device also comprises a force transmission piece (4) and a dragging seat (5), the force transmission piece (4) is symmetrically arranged below the dragging seat (5), universal balls (6) are embedded in the two force transmission pieces (4), and the free ends of the universal balls (6) are in universal rotation connection with the two force transmission pieces (4); the fixed end of the universal ball (6) is connected to the middle part of the top end of the lifting column (2).

As the improvement of the utility model, the main upright post (1) is a tubular component, and the inner wall of the tubular component is provided with an internal thread section in an annular manner.

As the utility model discloses foretell further improvement, still be equipped with square structure base (11) that are used for being connected with ground in the bottom of king-post (1), fixed orifices (111) that link up the front and back are all seted up to the four corners department of base (11), and fixed orifices (111) are the bolt hole.

As the above further improvement of the present invention, the lifting column (2) is a solid rod-shaped member, an external thread section is annularly arranged on the outer wall of the rod-shaped member, and the external thread section is in threaded connection and matched with the internal thread section of the inner wall of the main upright column (1).

As the utility model discloses foretell further improvement again, adjustable fastener (3) are including the fixed lantern ring (31) and adjust handle (32), adjust handle (32) symmetry and set up in the both sides of the fixed lantern ring (31), and the fixed lantern ring (31) is worn set formula screw with lift post (2) and is screwed and be connected.

As the utility model discloses the foretell further improvement again, pass power piece (4) for mutual disposition two, two pass power and slightly have the clearance between piece (4), wherein, should pass power piece (4) whole be microscler massive body component, the top and liftable post (2) fixed connection of this microscler massive body component, semicircular groove (41) have been seted up at the bottom middle part, semicircular groove (41) on two biography power pieces (4) are matched with each other and are formed circular recess, this circular recess and universal ball (6) are matched with each other.

As the utility model discloses foretell still further improvement, still seted up on biography power piece (4) to wearing card hole (42), seted up in the both sides of recess (41) to wearing card hole (42) symmetry, the fastener passes should to wearing card hole (42) with universal ball (6) to drawing the block difficult the rotation in the circular recess that two biography power pieces (4) middle parts formed.

As a further improvement of the above-mentioned structure of the present invention, the mop base (5) is a U-shaped plate member, a locking protection pad (51) is further disposed on the inner surface of the U-shaped plate member, the locking protection pad (51) is a rubber pad, and a plurality of rubber protection protrusions of a connected structure are disposed outside the rubber pad.

As the utility model discloses foretell still further improvement again, still set up the tight hole in top (52) that link up the positive and negative on dragging seat (5), the tight hole in top (52) are the bolt hole, and the bolt hole symmetry sets up in the both sides baffle middle part of dragging seat (5).

As the utility model discloses the foretell still further improvement more, all from interior to exterior according to the preface be provided with according to the preface and mould plastics layer and antirust coat and warning layer on the surface of king-post (1), liftable post (2), adjustable fastener (3) and pass power piece (4) and drag seat (5), scribble phosphor powder on the warning layer.

The working principle is as follows: before the simple force transmission device for the support erection with the design structure is used, a constructor only needs to manufacture the force transmission device for the support erection and install the force transmission device for the support erection for standby.

Before installation, two workers are matched to complete installation, during installation, one worker only needs to convey the main upright post (1) to a position to be supported in advance to vertically place the main upright post and ensure stability and reliability, in order to fix the main upright post more stably and reliably, the worker can adopt a triangular bracket additionally arranged at the bottom or adopt a high-strength expansion bolt to penetrate through a fixing hole (111) formed in the base (11) in advance to enable the main upright post to be connected with the ground into a whole, and then the other worker installs the lower end of the liftable post (2) in the main upright post (1) in a plug-in mode; then, as shown in the drawing, the force transmission device is processed and manufactured, the outer diameter of the adjustable fastener (3) is ensured to be larger than the outer diameter of the liftable column (2), and the bracket (5) and the liftable column (2) can rotate mutually; according to a support drawing to be erected, erecting a support to a proper height, wherein during erection, a constructor rotates an adjustable fastener (3) to a proper position to ensure that the length from a bracket (5) to the adjustable fastener (3) is the expected height, and inserts the tail part of a lifting column (2) into a main upright column (1) and fastens the lifting column through the adjustable fastener (3); then, building (7) is erected on the bracket, and the building (7) is a bottom die back edge and a template; finally, the posture of the bracket (5) is adjusted to meet the requirements of a longitudinal slope and a transverse slope of the bottom die of the support and ensure that the bracket (5) is tightly attached to the back edge support; measuring the elevation of the template, and finely adjusting the adjustable fastener (3) to enable the template to reach the expected elevation; meanwhile, two force transmission pieces (4) are clamped into a whole by penetrating a bolt or a bolt through a pair of penetrating clamping holes (42) which are pre-arranged on the force transmission pieces (4), so that the universal ball (6) is ensured not to rotate randomly, the support is ensured to be more stable, reliable and safe, and after the universal ball is supported to be stable and reliable, constructors only need to bind reinforcing steel bars above the template and pour concrete; when the strength of the concrete reaches the design requirement, the concrete needs to be dismantled, and when the concrete is dismantled, the adjustable fastener (3) is tapped along the descending direction of the liftable column (2) to ensure that the bracket (5) is in a relaxed state, and then the adjustable fastener (3) is continuously rotated manually, so that a certain gap is formed between the bracket (5) and the back edge of the bottom die, and the bottom die and the back edge can be smoothly moved out; demolish the completion back, constructor and classify according to the requirement and deposit to the circulation is enough to meet the need the use next time, accomplishes cast-in-place box girder construction, and simultaneously, operating personnel need observe the connection condition of each part of inspection at any time, if there is the not hard up condition to take place, then need in time screw it and change. The utility model discloses the adjustment is nimble, simple to operate, the utility model provides a drag seat (5) can transmit the gravity of building for passing power piece (4), passes power piece (4) and passes again and give head mast (1) and liftable post (2), subducts the direct axial atress of head mast (1) for the building with drag seat (5) can effectively pass power, reach and support more firm reliable.

In the whole implementation operation process, construction personnel can adopt tightening bolts to penetrate through tightening holes (52) which are arranged on the two sides of the dragging seat (5) in advance according to actual requirements to tightly fix the bottom die and the back edge support into an integral structure.

Compared with the prior art, the utility model produced beneficial effect is:

1. the utility model has the advantages of novel and reasonable design, simple and convenient operation, free rotation of the dragging seat (5) can be realized through the universal ball, complete adaptation to various working states, flexible disassembly and assembly, firm connection, repeated use for many times, reduction of construction cost, potential safety hazard, convenience for civilized construction management of construction sites, and suitability for temporary support of prefabricated bottom moulds, back-ridge crossbeams and floor slabs;

2. the utility model is simple in connection or removal, and improves the construction efficiency; the height of the dragging seat (5) can be freely adjusted by rotating the adjustable fastener (3);

3. the utility model has the characteristics of high structural strength, good stability and capability of reliably bearing the gravity from the top of the building;

4. the utility model has the advantages of high installation efficiency, capability of ensuring the integrity and construction quality of the structure, low construction cost and good construction effect;

5. the utility model has flexible adjustment and convenient installation, the dragging seat (5) in the utility model can transmit the gravity of the building to the force transmission piece (4), the force transmission piece (4) is transmitted to the main upright post (1) and the liftable post (2), and the direct axial stress of the main upright post (1) is reduced, so that the building and the dragging seat (5) can effectively transmit the force;

6. the utility model is suitable for the supports with different heights, so that the supporting device can adapt to the position of the support more accurately, and the stability and the safety reliability are improved;

7. the utility model discloses an anti-rust paint on the outside, consequently can prevent also to prolong the life of whole device when rustting, also saved the resource when realizing the environmental protection, simultaneously, scribble the fluorescent material that can self-luminous in the outside of device, can clearly mark the device's position in night or darkroom and underground construction environment, can play the effect of safe suggestion effectively, improve the striking degree, easily people differentiate, increase the security in construction and the life.

Drawings

The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the overall exploded structure of the present invention;

FIG. 2 is a schematic view of the overall assembly structure of the present invention;

FIG. 3 is a schematic diagram of the overall structure of another design structure of the present invention;

FIG. 4 is a schematic view of another design structure of the present invention;

FIG. 5 is an exploded view of another embodiment of the present invention;

fig. 6 is a schematic diagram of the overall structure of a further design structure of the present invention;

fig. 7 is a schematic view of the overall structure of the force transmission member (4) component of the present invention;

fig. 8 is a schematic overall structure diagram of the components of the mop base (5) of the present invention;

FIG. 9 is a schematic overall structure diagram of another design structure of the components of the trailer seat (5) of the invention;

FIG. 10 is a schematic view of the overall structure of another design structure of the components of the mop base (5) of the present invention;

fig. 11 is a schematic view of the usage state of the present invention;

wherein, the reference numbers in the figures: 1-main upright column, 11-base, 111-fixing hole;

2-lifting columns;

3-adjustable fastener, 31-fixed lantern ring, 32-adjustable operating handle;

4-force transmission piece, 41-groove, 42-opposite through clamping hole;

5-dragging seat, 51-locking protection pad, 52-tightening hole;

6-universal ball.

Detailed Description

In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description, and it should be noted that the embodiments and the features of the embodiments in the present application can be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The simple force transmission device for erecting the support comprises a main upright post 1 with a hollow inner part and a liftable post 2 screwed and installed in the main upright post 1, wherein the liftable post 2 is in lifting movable fit with the main upright post 1 and is fastened into a whole through an adjustable fastener 3, the force transmission device further comprises a force transmission part 4 and a dragging seat 5, the force transmission parts 4 are symmetrically arranged below the dragging seat 5, universal balls 6 are embedded in the two force transmission parts 4, and the free ends of the universal balls 6 are in universal rotation connection with the two force transmission parts 4; the fixed end of the universal ball 6 is connected to the middle part of the top end of the lifting column 2.

Further, the main upright post 1 is integrally a tubular member, and an internal thread section is annularly arranged on the inner wall of the tubular member.

Furthermore, the bottom of the main upright post 1 is further provided with a square base 11 for connecting with the ground, four corners of the base 11 are all provided with fixing holes 111 penetrating through the front and back surfaces, and the fixing holes 111 are bolt holes.

Furthermore, the lifting column 2 is a rod-shaped member with a solid inner part, an external thread section is annularly arranged on the outer wall of the rod-shaped member, and the external thread section is in threaded connection and matched with an internal thread section on the inner wall of the main upright column 1.

In the utility model, the lifting column 2 is a screw or a screw rod.

Furthermore, adjustable fastener 3 includes fixed lantern ring 31 and regulation handle 32, and regulation handle 32 symmetry sets up in the both sides of fixed lantern ring 31, and fixed lantern ring 31 is screwed with lift post 2 cover-penetrating formula screw.

In the utility model, the inner wall of the fixed lantern ring 31 is provided with an inner thread section in a ring shape, and the inner thread section is in threaded connection and matched with the outer thread section of the lifting column 2; the adjustment lever 32 is an elongated block-shaped member or a semicircular plate-shaped member.

Furthermore, the two force transmission pieces 4 are arranged oppositely, a gap is slightly reserved between the two force transmission pieces 4, the force transmission pieces 4 are integrally long block-shaped members, the top ends of the long block-shaped members are fixedly connected with the liftable columns 2, the middle parts of the bottom ends of the long block-shaped members are provided with semicircular grooves 41, the semicircular grooves 41 on the two force transmission pieces 4 are matched to form circular grooves, and the circular grooves are matched with the universal balls 6.

Furthermore, the force transmission piece 4 is further provided with a pair of through clamping holes 42, the pair of through clamping holes 42 are symmetrically formed in two sides of the groove 41, and the fastener penetrates through the pair of through clamping holes 42 to oppositely pull and clamp the universal ball 6 in a circular groove formed in the middle of the two force transmission pieces 4 and is not easy to rotate.

The utility model discloses in, to wearing card hole 42 to be the bolt hole, the fastener is the bolt or the bolt, and the free tip of bolt passes through the nut fastening.

Further, the base 5 is a U-shaped plate member, the inner surface of the U-shaped plate member is further provided with a locking protection pad 51 fitted therewith, the locking protection pad 51 is a rubber pad, and the outside of the rubber pad is provided with a plurality of rubber protection protrusions of a connected structure.

In the present invention, the rubber protection protrusion is a granular shape, a stripe shape or an annular protrusion.

Therefore, the locking and protecting pad 51 with the protecting protrusion outside is arranged at the mutual contact joint of the building 7 and the towing seat 5, which not only can play a role of protection and ensure the structural integrity of the towing seat 5 and the building 7, but also can increase the friction force at the joint, thereby enabling the building 7 to be firmly fixed on the towing seat 5 and enabling the building 7 and the towing seat 5 to be clamped and connected into an integral structure.

Further, a jacking hole 52 penetrating through the front side and the back side is further formed in the dragging seat 5, the jacking hole 52 is a bolt hole, and the bolt holes are symmetrically formed in the middle of the baffle plates on the two sides of the dragging seat 5.

Furthermore, an injection molding layer, an anti-rust layer and a warning layer are sequentially arranged on the outer surfaces of the main upright post 1, the liftable post 2, the adjustable fastener 3, the force transmission piece 4 and the dragging seat 5 from inside to outside, and fluorescent powder is coated on the warning layer.

In the utility model, the injection layer is injected with the high molecular wear-resistant material; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint; the warning layer is a yellow or black reflective warning tape or a reflective color film or reflective paint.

Meanwhile, in the utility model, the connection is fixed connection or movable connection or detachable connection, wherein the fixed connection is welded connection or directly processed into an integrated structure; the movable connection or the detachable connection is hinged connection, internal and external thread connection, bayonet connection, plug socket connection or bolt component connection or screw connection.

To sum up, the utility model discloses more specific embodiment is:

the working principle is as follows: before the simple force transmission device for the support erection with the design structure is used, a constructor only needs to manufacture the force transmission device for the support erection and install the force transmission device for the support erection for standby.

Before installation, two workers are matched to complete installation, when the installation is carried out, one worker only needs to convey the main upright post 1 to a position to be supported in advance to vertically place the main upright post and ensure stability and reliability, in order to fix the main upright post more stably and reliably, the worker can adopt a triangular bracket additionally arranged at the bottom or adopt a high-strength expansion bolt to penetrate through a fixing hole 111 which is formed in the base 11 in advance to enable the main upright post to be connected with the ground into a whole, and then the other worker installs the lower end of the liftable post 2 in the main upright post 1 in a plug-in manner; then, as shown in the drawing, the force transmission device is processed and manufactured, the outer diameter of the adjustable fastener 3 is ensured to be larger than that of the liftable column 2, and the bracket 5 and the liftable column 2 can rotate mutually; according to a support drawing to be erected, erecting a support to a proper height, wherein during erection, a constructor rotates an adjustable fastener 3 to a proper position to ensure that the length from a bracket 5 to the adjustable fastener 3 is the expected height, and inserts the tail part of a lifting column 2 into a main upright column 1 and fastens the lifting column through the adjustable fastener 3; then, building 7 is erected on the bracket, and the building 7 is a bottom die back edge and a template; finally, the posture of the bracket 5 is adjusted to meet the requirements of a longitudinal slope and a transverse slope of the bottom die of the bracket and ensure that the bracket 5 is tightly attached to the back arris bracket; measuring the elevation of the template, and finely adjusting the adjustable fastener 3 to enable the template to reach the expected elevation; meanwhile, two force transmission pieces 4 are clamped into a whole by penetrating a bolt or a bolt through opposite penetrating clamping holes 42 which are pre-arranged on the force transmission pieces 4, so that the universal ball 6 is prevented from randomly rotating, the support is more stable, reliable and safe, and after the universal ball is stably and reliably supported, a constructor only needs to bind reinforcing steel bars above the template and pour concrete; when the strength of the concrete reaches the design requirement, the concrete needs to be dismantled, and when the concrete is dismantled, the adjustable fastening piece 3 is tapped along the descending direction of the liftable column 2, so that the bracket 5 is in a loose state, and then the adjustable fastening piece 3 is manually rotated continuously, so that a certain gap is formed between the bracket 5 and the back edge of the bottom die, and the bottom die and the back edge can be moved out smoothly; demolish the completion back, constructor and classify according to the requirement and deposit to the circulation is enough to meet the need the use next time, accomplishes cast-in-place box girder construction, and simultaneously, operating personnel need observe the connection condition of each part of inspection at any time, if there is the not hard up condition to take place, then need in time screw it and change.

Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and those skilled in the art may change or modify the technical content disclosed above into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a simple and easy power transmission device that is used for support to set up, includes that inside is hollow head tree (1) and screws and installs liftable post (2) in head tree (1), liftable post (2) and head tree (1) are lift movable fit to fasten as a whole, its characterized in that through adjustable fastener (3): the power transmission device is characterized by further comprising a force transmission piece (4) and a dragging seat (5), wherein the force transmission piece (4) is symmetrically arranged below the dragging seat (5), universal balls (6) are embedded in the two force transmission pieces (4), and the free ends of the universal balls (6) are in universal rotation connection with the two force transmission pieces (4); the fixed end of the universal ball (6) is connected to the middle part of the top end of the lifting column (2).

2. A simple force transfer device for scaffolding according to claim 1, wherein: the main upright post (1) is integrally a tubular member, and an internal thread section is annularly arranged on the inner wall of the tubular member.

3. A simple force transfer device for scaffolding according to claim 1 or claim 2, in which: the bottom of the main upright post (1) is also provided with a square base (11) connected with the ground, four corners of the base (11) are provided with fixing holes (111) penetrating through the front and back surfaces, and the fixing holes (111) are bolt holes.

4. A simple force transfer device for scaffolding according to claim 1, wherein: the lifting column (2) is a rod-shaped member with a solid inner part, an external thread section is annularly arranged on the outer wall of the rod-shaped member, and the external thread section is in threaded connection and matched with an internal thread section on the inner wall of the main upright column (1).

5. A simple force transfer device for scaffolding according to claim 1, wherein: the adjustable fastener (3) comprises a fixed lantern ring (31) and an adjusting operating handle (32), the adjusting operating handle (32) is symmetrically arranged on two sides of the fixed lantern ring (31), and the fixed lantern ring (31) is connected with the lifting column (2) in a penetrating and sleeving type threaded screwing mode.

6. A simple force transfer device for scaffolding according to claim 1, wherein: the force transmission pieces (4) are arranged oppositely, a gap is slightly reserved between the two force transmission pieces (4), the force transmission pieces (4) are integrally long block-shaped members, the top ends of the long block-shaped members are fixedly connected with the liftable columns (2), semicircular grooves (41) are formed in the middle of the bottom ends of the long block-shaped members, the semicircular grooves (41) in the two force transmission pieces (4) are matched to form circular grooves, and the circular grooves are matched with the universal balls (6).

7. A simple force transfer device for scaffolding according to claim 1 or 6, wherein: the force transmission piece (4) is further provided with a pair of through clamping holes (42), the pair of through clamping holes (42) are symmetrically formed in two sides of the groove (41), and the fastener penetrates through the pair of through clamping holes (42) to oppositely pull and clamp the universal ball (6) in a circular groove formed in the middle of the two force transmission pieces (4) and is not easy to rotate.

8. A simple force transfer device for scaffolding according to claim 1, wherein: the mop base (5) is a U-shaped plate-shaped body member, a locking protection pad (51) matched with the U-shaped plate-shaped body member is further arranged on the inner surface of the U-shaped plate-shaped body member, the locking protection pad (51) is a rubber pad, and a plurality of rubber protection protrusions in a connected structure are arranged outside the rubber pad.

9. A simple force transfer device for scaffolding according to claim 1 or 8, wherein: the dragging seat (5) is also provided with a jacking hole (52) penetrating through the front and back surfaces, the jacking hole (52) is a bolt hole, and the bolt holes are symmetrically arranged in the middle of the baffle plates at the two sides of the dragging seat (5).

10. A simple force transfer device for scaffolding according to claim 1, wherein: an injection molding layer, an anti-rust layer and a warning layer are sequentially arranged on the outer surfaces of the main upright post (1), the lifting post (2), the adjustable fastener (3), the force transmission piece (4) and the dragging seat (5) from inside to outside, and fluorescent powder is coated on the warning layer.

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