CN213015296U

CN213015296U - Movable scaffold supporting structure

Info

Publication number: CN213015296U
Application number: CN202021258862.1U
Authority: CN
Inventors: 岳爱平
Original assignee: Hunan Yongzhiheng Building Materials Technology Co ltd
Current assignee: Hunan Yongzhiheng Building Materials Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-20
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a portable scaffold puts up bearing structure, including the bracing piece that is used for supporting portable scaffold frame, the bracing piece includes bracing piece and bottom suspension fagging pole, goes up the bracing piece setting at the bottom suspension fagging top and with bottom suspension fagging pole fixed connection. The lower supporting rod is a hollow rod, a connecting shaft is arranged in the hollow rod in a lifting manner along the axis direction of the hollow rod, and a roller is arranged at the bottom of the connecting shaft; the utility model discloses a cavity pole, including the lower carriage, the lower carriage is equipped with the bearing seat bottom, be equipped with the accepting groove that is used for saving the gyro wheel in the bearing seat, the connecting axle passes the accepting groove top in order to extend to get into the cavity pole. The utility model discloses under the condition that does not set up the triangle flap, also can avoid portable support frame slope or self-sliding, and can normal use in constrictive space.

Description

Movable scaffold supporting structure

Technical Field

The utility model relates to a construction equipment technical field especially relates to a portable scaffold frame bearing structure.

Background

In construction, mobile scaffolding is used in large quantities. The movable scaffold is generally moved by rollers arranged at the bottom, and the scaffold body is supported by the rollers. Because traditional portable scaffold does not set up fixing device in relative both sides, when the heavy object was in on the scaffold, traditional portable scaffold's stability was relatively poor, and easy slope or independently slip have the potential safety hazard.

In order to overcome the technical defects, the existing scaffold generally adopts a method of erecting triangular protective wings at four corners of the scaffold. The slope upper end of triangle flap supports scaffold bracing piece, and its slope lower extreme props on ground to the realization is fixed scaffold's position, prevents scaffold slope or slip. However, the triangular protective wings need to be erected on the side parts of the scaffold to tightly abut against the ground, so that the occupied area of the scaffold is indirectly widened, and the effect is good if the scaffold is used on a spacious ground; however, if the movable scaffold is required to be used in a narrow position, the floor area of the movable scaffold is too large, and the inclined stay bars of the triangular protective wings are not easy to find the supporting points, so that the scaffold is inconvenient to set up.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable scaffold frame bearing structure can make things convenient for the scaffold frame to use in constrictive region.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a portable scaffold puts up bearing structure, is including the bracing piece that is used for supporting portable scaffold, the bracing piece includes bracing piece and bottom suspension vaulting pole, goes up the bracing piece setting at the bottom suspension vaulting pole top and with bottom suspension vaulting pole fixed connection. The lower supporting rod is a hollow rod, a connecting shaft is arranged in the hollow rod in a lifting manner along the axis direction of the hollow rod, and a roller is arranged at the bottom of the connecting shaft; the utility model discloses a cavity pole, including the lower carriage, the lower carriage is equipped with the bearing seat bottom, be equipped with the accepting groove that is used for saving the gyro wheel in the bearing seat, the connecting axle passes the accepting groove top in order to extend to get into the cavity pole.

Further, a rod positioning hole penetrating through the lower support rod is arranged on the lower support rod from top to bottom, a shaft positioning hole corresponding to the rod positioning hole is formed in the connecting shaft, and the rod positioning hole and the shaft positioning hole are inserted into a first fastener to detachably connect the lower support rod and the connecting shaft.

Further, the first fastener is a first bolt.

Furthermore, a guide groove is formed in the lower support rod, a guide rail corresponding to the guide groove is arranged on the connecting shaft, and the guide rail is in sliding fit with the guide groove.

Furthermore, a sliding groove penetrating through the rod wall is formed in the lower supporting rod along the axial direction of the lower supporting rod, a sliding block corresponding to the sliding groove is arranged on the connecting shaft, and the sliding block extends out of the sliding groove and is in sliding fit with the sliding groove; and a stopper used for propping the connecting shaft to rise is arranged at the bottom of the upper supporting rod.

Furthermore, an anti-collision layer is arranged at the top of the connecting shaft.

Further, the connecting shaft is further provided with a fastening hole corresponding to one of the rod positioning holes, and the fastening hole and the rod positioning hole are inserted with a second fastening piece to detachably connect the support rod and the connecting shaft.

Further, the second fastener is a second bolt.

Further, the bottom of the bearing seat is provided with an anti-skid layer.

Further, the upper support rod and the lower support rod are connected through a flange.

The utility model has the advantages that: the roller is arranged at the bottom of the connecting shaft, and the connecting shaft can ascend or descend in the lower supporting rod. When the connecting shaft rises, the roller is driven to rise, the roller is accommodated in the accommodating groove, and the bearing seat is in contact with the ground and serves as a base to support the entire scaffold; when the connecting shaft descends, the roller is driven to descend below the bearing seat, the roller is in contact with the ground and serves as a supporting structure of the whole scaffold, and at the moment, the roller moves to drive the scaffold to move integrally. The utility model discloses under the condition that does not set up the triangle flap, also can avoid portable support frame slope or self-sliding, and can normal use in constrictive space.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of the internal structure of a mobile scaffolding support structure according to an embodiment of the present invention;

FIG. 2 is a top view of the lower support bar and its internal structure shown in FIG. 1;

FIG. 3 is a schematic structural view of the connecting shaft shown in FIG. 1;

FIG. 4 is a front view of the lower support pole;

fig. 5 is a left side view of the lower support pole according to fig. 4.

Reference numerals:

the support device comprises an upper support rod 100, a lower support rod 200, a bearing seat 201, a rod positioning hole 202, a containing groove 203, a first fastening piece 204, a guide groove 205, a sliding groove 206, a second fastening piece 207, an anti-skidding layer 208, an upper rod positioning hole 209, a middle rod positioning hole 210, a lower rod positioning hole 211, a connecting shaft 300, a roller 301, a shaft positioning hole 302, a guide rail 303, a sliding block 304, an anti-collision layer 305 and a fastening hole 306.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

A mobile scaffold support structure according to an embodiment of the invention is described below with reference to fig. 1 to 5.

Referring to fig. 1 to 5, the present invention provides a mobile scaffold supporting structure, including a supporting rod for supporting a mobile scaffold, the supporting rod includes an upper supporting rod 100 and a lower supporting rod 200, the upper supporting rod 100 is disposed on the top of the lower supporting rod 200 and is fixedly connected to the lower supporting rod 200. The lower support rod 200 is a hollow rod, a connecting shaft 300 is arranged in the hollow rod in a lifting manner along the axis direction of the hollow rod, and a roller 301 is arranged at the bottom of the connecting shaft 300; the bottom of the lower supporting rod 200 is provided with a bearing seat 201, an accommodating groove 203 for storing the roller 301 is arranged in the bearing seat 201, and the connecting shaft 300 penetrates through the top of the accommodating groove 203 to extend into the hollow rod.

The working principle of the utility model is as follows:

the roller 301 is installed at the bottom of the connection shaft 300, and the connection shaft 300 can be raised or lowered in the lower support bar 200. When the connecting shaft 300 rises, the roller 301 is driven to rise, and the roller 301 is accommodated in the accommodating groove 203, and the bearing seat 201 is in contact with the ground and serves as a base to support the entire scaffold; when the connecting shaft 300 descends, the roller 301 is driven to descend below the bearing seat 201, and the roller 301 is in contact with the ground and serves as a whole supporting stress structure of the scaffold. The gyro wheel 301 removes and also can drive scaffold frame moving as a whole, when the scaffold frame rolls suitable position, stops, packs up gyro wheel 301 again to the stability of scaffold frame is guaranteed as the holistic base support of scaffold frame to bearing seat 201. The utility model discloses under the condition that does not set up the triangle flap, also can avoid portable support frame slope or self-sliding, be favorable to safe construction. And when the movable scaffold is required to be used in a narrow space (such as a narrow tunnel, two close-distance walls and the like), the movable scaffold can be ensured to be normally used.

As shown in fig. 3 and 4, in the present embodiment, the lower support rod 200 is provided with rod positioning holes 202 extending through the lower support rod 200 from top to bottom, the connecting shaft 300 is provided with shaft positioning holes 302 corresponding to the rod positioning holes 202, and the rod positioning holes 202 and the shaft positioning holes 302 are detachably connected by inserting the first fasteners 204 to the lower support rod 200 and the connecting shaft 300.

Specifically, in the present embodiment, the lower support rod 200 is provided with three rod positioning holes 202, i.e., an upper rod positioning hole, a middle rod positioning hole and a lower rod positioning hole, and the connecting shaft 300 is provided with a shaft positioning hole 302. When the connecting shaft 300 is located at the highest position, the first fastener 204 is inserted into the upper rod positioning hole 209 and the shaft positioning hole 302, so that the connecting shaft 300 is positioned at the highest position, and the roller 301 is accommodated in the accommodating groove 203; when the connection shaft 300 is at the lowest position, the first fastening member 204 is inserted into the middle lever positioning hole 210 and the shaft positioning hole 302 to position the connection shaft 300 at the lowest position, and the roller 301 is protruded out of the receiving groove 203 and contacts the bottom surface. In particular, as shown in fig. 5, the first connecting member is a first bolt with a nut.

In this embodiment, as shown in fig. 4, the lower support rod 200 is provided with a sliding groove 206 penetrating through the rod wall along the axial direction thereof, and the connecting shaft 300 is provided with a sliding block 304 corresponding to the sliding groove 206. The sliding block 304 extends out of the sliding groove 206 and can slide up and down in the sliding groove 206; the bottom of the upper supporting rod 100 is provided with a stopper for stopping the connection shaft 300 from rising.

When the roller 301 needs to be retracted, the lower support rod 200 is firstly supported by hands or other support structures, so that the lower support rod 200 is prevented from rapidly falling under the integral pressure of the scaffold. Then the first bolt is disassembled, and the lower support rod 200 is gradually lowered to support the bearing seat 201 on the ground. The slider 304 is then pushed upward to bring the roller 301 out of contact with the ground and retract. At this time, the shaft positioning hole 302 and the upper rod positioning hole 209 are aligned, and the first bolt is inserted. When the roller 301 needs to be lowered, the first bolt is detached, the lower support rod 200 is lifted, the shaft positioning hole 302 and the middle rod positioning hole 210 are aligned, and the first bolt is inserted.

In the present embodiment, as shown in fig. 1 and 2, in order to align the shaft positioning hole 302 with the rod positioning hole 202, a guide groove 205 is formed in the lower support rod 200, and a guide rail 303 corresponding to the guide groove 205 is formed on the connecting shaft 300, and the guide rail 303 can slide up and down in the guide groove 205. When the connecting shaft 300 slides to the top end, the connecting shaft is blocked by the gear body and cannot move upwards any more, and the shaft positioning hole 302 is aligned with the upper rod positioning hole 209; when the guide rail 303 is slid down to the bottom of the guide groove 205, the shaft positioning hole 302 and the lower lever positioning hole 211 are aligned at this time.

As shown in fig. 3, in order to prevent the connecting shaft 300 from being deformed or damaged due to the impact of the gear body for a long time, an anti-collision layer 305 is disposed on the top of the connecting shaft 300.

As shown in fig. 3, the connecting shaft 300 is further provided with a fastening hole 306 corresponding to the lower lever positioning hole 211, and the fastening hole 306 and the lower lever positioning hole 211 are detachably connected by inserting the second fastening member 207 to detachably connect the lower support lever 200 and the connecting shaft 300. In this embodiment, when the movable scaffold needs to push a heavy object to move, or the whole scaffold is supported by the rollers 301 without putting down the load-bearing seat 201, the second fastening member 207 may be further added to fixedly connect the lower support rod 200 and the connecting shaft 300, so as to increase the connection firmness between the connecting shaft 300 and the lower support rod 200 and improve the load-bearing capacity of the support structure. In particular, the second fastener 207 is also a threaded nut bolt.

As shown in fig. 5, the bottom of the load-bearing seat 201 is provided with an anti-slip layer 208. When on a muddy ground, the skid resistant layer 208 may be provided in a multi-pointed cone structure as shown in fig. 5. When the bearing seat 201 is located on a concrete horizontal ground, the anti-slip layer 208 can be a flange formed by horizontally and outwards protruding the edge of the bottom of the bearing seat 201, and the flange can increase the contact area between the bearing seat 201 and the ground, increase friction and prevent the bearing seat 201 from sliding.

In particular, in the present embodiment, as shown in fig. 1, the upper support pole 100 and the lower support pole 200 are connected by flanges.

In the description herein, references to the description of the terms "this embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a portable scaffold support structure, includes the bracing piece that is used for supporting portable scaffold, the bracing piece includes bracing piece (100) and bottom suspension vaulting pole (200), goes up bracing piece (100) set up at bottom suspension vaulting pole (200) top and with bottom suspension vaulting pole (200) fixed connection, its characterized in that: the lower supporting rod (200) is a hollow rod, a connecting shaft (300) is arranged in the hollow rod in a lifting mode along the axis direction of the hollow rod, and a roller (301) is arranged at the bottom of the connecting shaft (300);

the utility model discloses a hollow pole, including lower bracing piece (200), bearing seat (201) is equipped with in bearing seat (201), be equipped with in bearing seat (201) and be used for storing accepting groove (203) of gyro wheel (301), connecting axle (300) pass accepting groove (203) top in order to extend to get into in the hollow pole.

2. The mobile scaffold support structure of claim 1, wherein: the lower supporting rod (200) is provided with rod positioning holes (202) penetrating through the lower supporting rod (200) from top to bottom, the connecting shaft (300) is provided with shaft positioning holes (302) corresponding to the rod positioning holes (202), and the rod positioning holes (202) and the shaft positioning holes (302) are inserted into first fasteners (204) to detachably connect the lower supporting rod (200) and the connecting shaft (300).

3. The mobile scaffold support structure of claim 2, wherein: the first fastener (204) is a first bolt.

4. The mobile scaffold support structure of claim 3, wherein: be equipped with guide way (205) in lower support bar (200), be equipped with on connecting axle (300) and guide rail (303) that correspond with guide way (205), guide rail (303) and guide way (205) sliding fit.

5. The mobile scaffold support structure of claim 4, wherein: a sliding groove (206) penetrating through the rod wall is formed in the lower supporting rod (200) along the axial direction of the lower supporting rod, a sliding block (304) corresponding to the sliding groove (206) is arranged on the connecting shaft (300), and the sliding block (304) extends out of the sliding groove (206) and is in sliding fit with the sliding groove (206); and a stopper for preventing the connecting shaft (300) from rising is arranged at the bottom of the upper supporting rod (100).

6. The mobile scaffold support structure of claim 5, wherein: and an anti-collision layer (305) is arranged at the top of the connecting shaft (300).

7. The mobile scaffold support structure of claim 2, wherein: the connecting shaft (300) is further provided with a fastening hole (306) corresponding to one of the rod positioning holes (202), and the fastening hole (306) and the rod positioning hole (202) are inserted with a second fastening piece (207) to detachably connect the support rod and the connecting shaft (300).

8. The mobile scaffold support structure of claim 7, wherein: the second fastener (207) is a second bolt.

9. The mobile scaffold support structure of claim 1, wherein: the bottom of the bearing seat (201) is provided with an anti-skid layer (208).

10. The mobile scaffold support structure of claim 1, wherein: the upper support rod (100) and the lower support rod (200) are connected through a flange.