CN217870104U - Building engineering signboard installation strutting arrangement - Google Patents

Abstract

The utility model discloses a mounting and supporting device for construction engineering signboard, which comprises a supporting seat, a supporting rod and a fixing frame, wherein the supporting rod is mounted on the supporting seat, and the fixing frame is mounted on the supporting rod; the bracing piece includes lift portion and rotating part, lift portion sets up on the supporting seat, the rotating part sets up in lift portion, fixed frame sets up on the rotating part, fixed frame passes through the drive of lift portion and goes up the lift height-adjusting on the supporting seat, fixed frame passes through the rotating part drive and rotates on the supporting seat. The utility model is used for building engineering signboard erection bracing can make things convenient for constructor to watch the content of building engineering signboard to improve the efficiency of construction, guarantee construction quality.

Description

Building engineering signboard installation strutting arrangement

Technical Field

The utility model relates to a building engineering construction tool technical field, concretely relates to building engineering signboard installation strutting arrangement.

Background

With the rapid development of Chinese economy, various construction works are actively developed. The construction project signboard is a display and description device for displaying materials, quality, construction process, technical level, construction quality and the like adopted by the project, which is not only an effective means for displaying the construction process, determining the construction quality, displaying the construction process and exploring the construction technology, but also is a billboard for displaying the project quality and the enterprise image to the outside. The existing construction project signboard is fixed on a workplace, and cannot be subjected to height adjustment, angle adjustment and the like so as to facilitate observation of constructors and project display.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be that the present building engineering signboard of vibration is fixed on the workplace, can't carry out altitude mixture control, angle modulation etc. and make things convenient for constructor to observe and the technical problem of engineering project show, provide a building engineering signboard erection bracing device that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a mounting and supporting device for a construction engineering signboard comprises a supporting seat, a supporting rod and a fixing frame, wherein the supporting rod is mounted on the supporting seat, and the fixing frame is mounted on the supporting rod; the bracing piece includes lift portion and rotating part, lift portion sets up on the supporting seat, the rotating part sets up in lift portion, fixed frame sets up on the rotating part, fixed frame passes through the drive of lift portion and goes up and down the regulation height on the supporting seat, fixed frame passes through the rotating part drive and rotates on the supporting seat.

Further, the lift portion includes first connecting plate, second connecting plate and a plurality of first extensible member, first connecting plate is connected on the supporting seat, the second connecting plate is connected on the rotating part, each first extensible member is connected between first connecting plate and second connecting plate.

Further, the rotating part is a rotating motor, the rotating motor is fixed on the second connecting plate, and the rotating end of the rotating motor is fixedly connected with the fixing frame; each first extensible member is an electric extensible rod, a pneumatic extensible rod or a hydraulic extensible rod.

Further, fixed frame inboard is provided with horizontal clamping part and side direction clamping part, horizontal clamping part sets up in fixed frame inboard bottom, the side direction clamping part sets up on the lateral wall of one side or both sides in fixed frame.

Further, horizontal clamping part includes second extensible member and horizontal centre gripping piece, the vertical setting of second extensible member is in fixed frame inboard bottom, horizontal centre gripping piece is fixed on the flexible end of second extensible member.

Furthermore, the transverse clamping piece comprises a first clamping piece and a second clamping piece, and the first clamping piece is telescopically arranged on the second clamping piece; the first clamping piece and the second clamping piece are respectively installed at the bottom of the inner side of the fixing frame through a second telescopic piece.

Furthermore, the second telescopic piece comprises a mounting plate and a lug, and the lug is elastically arranged on the mounting plate through a first spring; the bottom of the inner side of the fixed frame is provided with a sliding groove and a plurality of insertion holes, each insertion hole is arranged in the sliding groove, the mounting plate is arranged in the sliding groove in a sliding mode, and the convex blocks can be inserted into different insertion holes in an inserting mode.

Further, the side direction clamping part includes side direction clamping piece and second spring, the side direction clamping piece passes through the second spring to be connected on fixed frame inside wall.

Further, the supporting seat includes installation cavity, universal wheel and third extensible member, the opening of installation cavity is down, the universal wheel passes through the third extensible member and installs in the installation cavity, the universal wheel can stretch out outside the installation cavity or retract in the installation cavity through the flexible of third extensible member.

Furthermore, the universal wheels and the third telescopic pieces are all provided in a plurality, and the third telescopic pieces are connected together through connecting rods.

The utility model discloses the beneficial effect who realizes has following several mainly: the mounting and supporting device for the construction project signboard is provided with the lifting part, so that the construction project signboard fixed on the fixing frame can be lifted and adjusted, and a constructor on a construction site can conveniently watch the construction project signboard; the mounting and supporting device for the constructional engineering signboard is provided with a rotating part which can drive the fixing frame to rotate, so that the mounted constructional engineering signboard in the fixing frame can be rotated to different angles, or the mounted constructional engineering signboard in the fixing frame can be rotated in a circulating manner to be displayed to constructors at different directions beside the constructional engineering signboard for watching; the lifting part and the rotating part which are arranged through the supporting rod can lift and rotate the building engineering signboard installed in the fixing frame to be adjusted, so that constructors can better watch the content on the building engineering signboard, the materials, the quality, the construction process, the construction flow, the technical level and the construction quality adopted by the engineering are better grasped, the construction efficiency can be improved, and the construction quality is ensured.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the mounting and supporting device for the construction signboard in the embodiment of the utility model;

FIG. 2 is an enlarged view of the portion A in FIG. 1;

fig. 3 is a schematic structural view of the underside of the support seat of the mounting and supporting device for the construction engineering signboard in the embodiment of the present invention;

fig. 4 is a schematic structural view of the lifting part of the mounting and supporting device for the construction signboard in the embodiment of the invention;

fig. 5 is a schematic structural view of the lower side of the bottom of the second expansion piece of the mounting and supporting device for the construction engineering signboard in the embodiment of the invention;

fig. 6 is the embodiment of the utility model provides an embodiment of building engineering signboard installation strutting arrangement side direction clamping part is at the structural sketch of the inboard installation of fixed frame.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1, a construction project signboard mounting and supporting device is used for mounting and supporting a construction project signboard on a construction site, and displaying and explaining materials, quality, construction process, construction flow, technical level, construction quality and the like adopted by a project, so that the construction process is convenient to construct, the construction quality is clear, the project management is convenient, the construction flow is displayed, the construction operation is convenient, and in addition, the project quality and the enterprise image can be displayed to the outside through the construction project signboard. The mounting and supporting device for the construction engineering signboard comprises a supporting seat 1, a supporting rod 2 and a fixing frame 3, wherein the supporting rod 2 is mounted on the supporting seat 1, and the fixing frame 3 is mounted on the supporting rod 2; supporting seat 1 is used for placing the stable on-site of building engineering signboard, and bracing piece 2 is used for supporting the building engineering signboard and makes things convenient for constructor to watch in higher position, and fixed frame 3 is used for fixed building engineering signboard.

Referring to fig. 1 and 3, bracing piece 2 includes lift portion 21 and rotating part 22, lift portion 21 sets up on supporting seat 1, and fixed frame 3 can rise through lift portion 21 drive at supporting seat 1 and fall the height-adjusting, and then can realize going up and down to adjust the building engineering signboard, makes things convenient for constructor to watch the building engineering signboard on the construction site. In addition, for the installation and support of the building engineering signboard with low height requirement, the lifting part 21 can be directly installed on the supporting seat 1; for the installation and support of the construction project signboard with higher height requirement, the lifting part 21 can be arranged on the supporting seat 1 by arranging the fixing column to integrally increase the height of the fixing frame 3, so as to increase the height of the construction project signboard in the fixing frame 3, in the embodiment, the structure that the lifting part 21 is arranged on the supporting seat 1 by arranging the fixing column 23 is shown to increase the height of the construction project signboard in the fixing frame 3; the height of the fixing post 23 can be set according to the height requirement of the installation of the construction project signboard. Building engineering signboard installation strutting arrangement sets up lift portion 21, can go up fixed building engineering signboard on the fixed frame 3 of lift adjustment, and constructor watches building engineering signboard on the convenient construction site. The elevating unit 21 may be a conventional elevating drive mechanism, such as a screw mechanism or a telescopic cylinder.

Referring to fig. 1, the rotating part 22 is arranged on the lifting part 21, the fixed frame 3 is arranged on the rotating part 22, and the fixed frame 3 is driven by the rotating part 22 to rotate on the supporting seat 1, so that the constructional engineering signboard installed in the fixed frame 3 can be rotated to different angles or rotated circularly to the constructional engineering signboard installed in the fixed frame 3, and displayed to be watched by constructors in different directions beside the constructional engineering signboard. The rotary part 22 may employ a motor.

Referring to fig. 3, the lifting unit 21 of the present embodiment has the following structure: the connecting device comprises a first connecting plate 211, a second connecting plate 213 and a plurality of first telescopic pieces 212, wherein the first connecting plate 211 is directly connected to the supporting seat 1 or connected to the supporting seat 1 through a fixing column 23, and the embodiment shows a structure that the first connecting plate 211 is fixedly connected to the supporting seat 1 through the fixing column 23. The second link plate 213 is fixedly connected to the rotating portion 22. Each of the first extensible members 212 is connected between the first connecting plate 211 and the second connecting plate 213, and each of the first extensible members 212 is uniformly distributed between the first connecting plate 211 and the second connecting plate 213, so that the supporting capability of the lifting unit 21 can be improved, and the stability of the lifting unit 21 in fixing the fixed frame 3 and the building engineering signboard in the fixed frame 3 can be ensured. The first telescopic member 212 may be a common telescopic driving member such as a screw mechanism, an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod.

Referring to fig. 1, the rotating part 22 may be a rotating motor, which is fixed on the second connecting plate 213, and a rotating end of the rotating motor is fixedly connected to the fixed frame 3. Therefore, the rotating motor can drive the fixed frame 3 and the constructional engineering signboard in the fixed frame 3 to rotate, and the content on the constructional engineering signboard is displayed to constructors in different directions beside the constructional engineering signboard to watch.

Referring to fig. 1 and 4, in the production and assembly of the mounting and supporting device for a construction signboard according to the present embodiment, the lifting unit 21 is mounted on the supporting base 1 through the fixing post 23, the rotating unit 22 is mounted on the movable end of the lifting unit 21, and the fixing frame 3 is mounted on the rotating end of the rotating unit 22. When the building engineering signboard installation supporting device of this embodiment uses, the building engineering signboard installation supporting device who will assemble is placed on the workplace, install the building engineering signboard in fixed frame 3, then open the height of first extensible member switch 2121 lift adjustment building engineering signboard in the fixed frame 3, the switch of rotating part 22 is opened after the completion of fixed frame 3 altitude mixture control, the building engineering signboard can rotate on lift portion 21 along with fixed frame 3, show the content on the building engineering signboard for the constructor in the other different positions of building engineering signboard and watch.

Example two

Referring to fig. 1, 2, 5 and 6, the construction signboard mounting and supporting apparatus of the present embodiment is identical to the first embodiment in its entirety, except that the structure of the fixing frame 3 is optimized and improved in the present embodiment, and the same points are described in detail with reference to the first embodiment in the following with reference to the improved fixing frame 3.

Referring to fig. 1, 2, 5 and 6, fixed frame 3 inboard is provided with horizontal clamping part 31 and side direction clamping part 32, horizontal clamping part 31 sets up in fixed frame 3 inboard bottom, can transversely upwards press from both sides the tight fixing in fixed frame 3 of building engineering signboard clamp. The lateral clamping portions 32 are provided on the side walls of one side or the left and right sides in the fixed frame 3, and the construction signboard is clamped and fixed in the fixed frame 3 from one side or the left and right sides in the fixed frame 3, but in this embodiment, the lateral clamping portions 32 are provided on both the left and right sides in the fixed frame 3, and the construction signboard can be clamped and fixed in the fixed frame 3 from the middle of the left and right sides.

Referring to fig. 1 and 2, the transverse clamping portion 31 may adopt a structure including a second telescopic member 311 and a transverse clamping piece 312, the second telescopic member 311 is vertically disposed at the bottom of the inner side of the fixed frame 3, the transverse clamping piece 312 is fixed at the telescopic end of the second telescopic member 311, so that the second telescopic member 311 can vertically extend and retract to clamp or loosen the construction signboard in the fixed frame 3.

Referring to fig. 1 and 2, the transverse clamping piece 312 preferably has a structure including a first clamping piece 3121 and a second clamping piece 3122, the first clamping piece 3121 is telescopically disposed on the second clamping piece 3122, so that the overall length of the transverse clamping piece 312 can be adjusted to adapt to installation of the construction signboard with different widths inside the fixing frame 3, the first clamping piece 3121 can be extended from the second clamping piece 3122 for the construction signboard with a wider width, the first clamping piece 3121 can be shortened from the second clamping piece 3122 for the construction signboard with a shorter width, and the transverse clamping piece 312 can be just supported below the construction signboard with different widths, so that the construction signboard is more stably installed in the fixing frame 3. Therefore, the mounting and supporting device for the constructional engineering signboard can adapt to constructional engineering signboards with different widths, and the mounting stability and reliability of the constructional engineering signboard are ensured. The first clamping piece 3121 and the second clamping piece 3122 are installed at the bottom of the inner side of the fixed frame 3 through a second telescopic member 311, so that the installation of the first clamping piece 3121 and the second clamping piece 3122 with the fixed frame 3 is more stable, and the stability of the installation of the construction signboard in the fixed frame 3 is further improved.

Referring to fig. 1, 2 and 5, a mounting plate 3111 and a protrusion 3112 are disposed at a lower side of the bottom of the second telescopic member 311, and the protrusion 3112 is elastically disposed on the mounting plate 3111 through a first spring 3113; the bottom of the inner side of the fixing frame 3 is provided with a sliding groove 33 and a plurality of insertion holes 34, each insertion hole 34 is arranged in the sliding groove 33, the shape and size of the mounting plate 3111 are consistent with the shape and size of the sliding groove 33, the mounting plate 3111 is slidably arranged in the sliding groove 33, the shape and size of the projection 3112 is consistent with that of each insertion hole 34, and the projection 3112 can be inserted into different insertion holes 34. Therefore, when the transverse clamping piece 312 is extended or shortened through the first clamping piece 3121 and the second clamping piece 3122, the transverse clamping piece 312 can be installed at different positions at the bottom of the inner side of the fixed frame 3 through the second telescopic piece 311, so that the stress capacity of the transverse clamping piece 312 is stronger, and the stability of the installation of the constructional engineering signboard in the fixed frame 3 can be further improved.

Referring to fig. 1 and 6, the lateral clamp 32 may have the following structure: including side direction clamping piece 321 and second spring 322, side direction clamping piece 321 passes through second spring 322 and connects on fixed frame 3 inside wall to can press from both sides the building engineering signboard in fixed frame 3 in the side direction. The lateral clamping portions 32 are preferably arranged on the left side and the right side of the inside of the fixed frame 3, so that the construction signboard is clamped in the middle of the inside of the fixed frame 3, the construction staff can watch the construction signboard more conveniently, and the mounting and supporting device for the construction signboard is more attractive.

Referring to fig. 1, 2, and 4 to 6, in the assembly of the installation and support device for a signboard in construction engineering of the present embodiment, the lifting unit 21 is installed on the support base 1 through the fixing post 23, the rotating unit 22 is installed at the movable end of the lifting unit 21, and the fixing frame 3 is installed at the rotating end of the rotating unit 22; finally, a horizontal clamping portion 31 is installed at the bottom of the inner side of the fixed frame 3, and lateral clamping portions 32 are installed at both left and right sides in the fixed frame 3. When the mounting and supporting device for the constructional engineering signboard of the embodiment is used, the mounted mounting and supporting device for the constructional engineering signboard is placed on a workplace, the length of the transverse clamping piece 312 is adjusted according to the width of the constructional engineering signboard, then the constructional engineering signboard is mounted in the fixing frame 3, the constructional engineering signboard is upwards clamped in the fixing frame 3 through the transverse clamping part 31, and the transverse clamping part 32 on two sides transversely clamps the middle position of the fixing frame 3. Can open the height of first extensible member switch 2121 lift adjustment building engineering signboard in the fixed frame 3 on the building site, open the switch of rotating part 22 after the fixed frame 3 altitude mixture control is accomplished, the building engineering signboard can rotate on lift portion 21 along with fixed frame 3, shows the constructor of the other different positions of building engineering signboard with the content on the building engineering signboard and watches.

EXAMPLE III

Referring to fig. 1 to 6, the whole installation and support device for the construction signboard of the present embodiment is the same as the embodiment except that the structure of the support base 1 is optimized and improved in the present embodiment, and the improved support base 1 is described in detail below with reference to the embodiment two.

Referring to fig. 1 and 3, the supporting seat 1 includes a mounting cavity 11, a universal wheel 12 and a third telescopic piece 13, an opening of the mounting cavity 11 faces downward, the universal wheel 12 is mounted in the mounting cavity 11 through the third telescopic piece 13, and the universal wheel 12 can extend out of the mounting cavity 11 or retract into the mounting cavity 11 through the extension of the third telescopic piece 13. When the mounting and supporting device for the construction project signboard needs to be moved, the switch 131 of the third telescopic piece 13 is used for controlling the extension of the third telescopic piece 13, and the extension of the third telescopic piece 13 is used for ejecting the universal wheel 12 out of the mounting cavity 11, so that the whole mounting and supporting device for the construction project signboard is supported by the universal wheel 12, and then the mounting and supporting device for the construction project signboard can be easily pushed to move; when the building engineering signboard mounting and supporting device needs to be fixed at a certain position, the switch 131 of the third telescopic piece 13 controls the third telescopic piece 13 to be shortened, the third telescopic piece 13 is shortened, the universal wheel 12 is retracted into the mounting cavity 11, and therefore the whole building engineering signboard mounting and supporting device stably supports the periphery of the mounting cavity 11 on the ground. Therefore, the mounting and supporting device of the construction project signboard is moved and fixed, and the mounting and supporting device of the construction project signboard is supported by the universal wheels 12 when being moved, so that the movement is more labor-saving; the stability of the mounting and supporting device for the construction engineering signboard in the fixing process is also ensured.

Referring to fig. 3, the universal wheels 12 and the third telescopic parts 13 are provided in plurality, and the third telescopic parts 13 are connected together through the connecting rods 14, so that the moving process of the mounting and supporting device for the construction signboard is more stable.

Referring to fig. 1 to 6, when the mounting and supporting device for the construction engineering signboard of the embodiment is produced and assembled, the universal wheel 12 is mounted in the mounting cavity 11 of the supporting seat 1 through the third telescopic member 13; the lifting part 21 is installed on the supporting seat 1 through the fixing column 23, the rotating part 22 is installed at the movable end of the lifting part 21, and then the fixing frame 3 is installed at the rotating end of the rotating part 22; finally, a horizontal clamp 31 is attached to the bottom of the inner side of the fixed frame 3, and lateral clamps 32 are attached to the left and right sides of the inner side of the fixed frame 3.

Referring to fig. 1 to 6, when the mounting and supporting device for a construction signboard of this embodiment is used, the assembled mounting and supporting device for a construction signboard is placed on a site, the length of the transverse clamping piece 312 is adjusted according to the width of the construction signboard, and then the construction signboard is mounted in the fixing frame 3, and the construction signboard is upwardly clamped in the fixing frame 3 by the transverse clamping portion 31 and transversely clamped in the middle of the fixing frame 3 by the lateral clamping portions 32 at both sides. Can open the height of first extensible member switch 2121 lift adjustment building engineering signboard in the fixed frame 3 on the building site, open the switch of rotating part 22 after the fixed frame 3 altitude mixture control is accomplished, the building engineering signboard can rotate on lift portion 21 along with fixed frame 3, shows the constructor of the other different positions of building engineering signboard with the content on the building engineering signboard and watches. When the mounting and supporting device for the building engineering signboard needs to be moved, the switch 131 of the third telescopic piece 13 is started to control the third telescopic piece 13 to extend so as to push the universal wheel 12 out of the mounting cavity 11, so that the mounting and supporting device for the building engineering signboard is moved; when the mounting and supporting device for the construction project signboard is required to be fixed, the switch 131 of the third telescopic piece 13 is started, the third telescopic piece 13 is controlled to drive the universal wheel 12 to retract into the mounting cavity 11, and the mounting and supporting device for the construction project signboard is supported on the ground through the bottoms of the four sides of the mounting cavity 11.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a building engineering signboard installation strutting arrangement which characterized in that: the supporting device comprises a supporting seat (1), a supporting rod (2) and a fixing frame (3), wherein the supporting rod (2) is arranged on the supporting seat (1), and the fixing frame (3) is arranged on the supporting rod (2); the utility model discloses a supporting rod, including bracing piece (2) including lift portion (21) and rotating part (22), lift portion (21) sets up on supporting seat (1), rotating part (22) set up on lift portion (21), fixed frame (3) set up on rotating part (22), fixed frame (3) rise through lift portion (21) drive at supporting seat (1) and fall the height-adjusting, fixed frame (3) are rotated on supporting seat (1) through rotating part (22) drive.

2. The constructional engineering signboard mounting and supporting device as claimed in claim 1, wherein: the lifting part (21) comprises a first connecting plate (211), a second connecting plate (213) and a plurality of first telescopic pieces (212), the first connecting plate (211) is connected to the supporting seat (1), the second connecting plate (213) is connected to the rotating part (22), and the first telescopic pieces (212) are connected between the first connecting plate (211) and the second connecting plate (213).

3. The constructional engineering signboard mounting and supporting device as claimed in claim 2, wherein: the rotating part (22) is a rotating motor, the rotating motor is fixed on the second connecting plate (213), and the rotating end of the rotating motor is fixedly connected with the fixed frame (3); each first telescopic piece (212) is an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod.

4. The mounting and supporting device for construction engineering signboard of any one of claims 1 to 3, wherein: fixed frame (3) inboard is provided with horizontal clamping part (31) and side direction clamping part (32), horizontal clamping part (31) set up in fixed frame (3) inboard bottom, side direction clamping part (32) set up on the lateral wall of one side or both sides in fixed frame (3).

5. The constructional engineering signboard mounting and supporting device as claimed in claim 4, wherein: horizontal clamping part (31) include second extensible member (311) and horizontal holding piece (312), the vertical setting of second extensible member (311) is in fixed frame (3) inboard bottom, the flexible serving at second extensible member (311) is fixed in horizontal holding piece (312).

6. The constructional engineering signboard mounting and supporting device as claimed in claim 5, wherein: the transverse clamping piece (312) comprises a first clamping piece (3121) and a second clamping piece (3122), and the first clamping piece (3121) is telescopically arranged on the second clamping piece (3122); the first clamping piece (3121) and the second clamping piece (3122) are respectively mounted on the bottom portion of inner side of the fixing frame (3) by means of a second telescopic piece (311).

7. The constructional engineering signboard mounting and supporting device as claimed in claim 6, wherein: the second telescopic part (311) comprises a mounting plate (3111) and a bump (3112), and the bump (3112) is elastically arranged on the mounting plate (3111) through a first spring (3113); the fixing frame is characterized in that a sliding groove (33) and a plurality of insertion holes (34) are formed in the bottom of the inner side of the fixing frame (3), the insertion holes (34) are formed in the sliding groove (33), the mounting plate (3111) is slidably arranged in the sliding groove (33), and the protruding block (3112) can be inserted into different insertion holes (34).

8. The constructional engineering signboard mounting and supporting device as claimed in claim 4, wherein: the lateral clamping part (32) comprises a lateral clamping piece (321) and a second spring (322), and the lateral clamping piece (321) is connected to the inner side wall of the fixing frame (3) through the second spring (322).

9. The construction work signboard mounting and supporting device according to claim 8, wherein: supporting seat (1) includes installation cavity (11), universal wheel (12) and third extensible member (13), the opening of installation cavity (11) is down, install in installation cavity (11) through third extensible member (13) universal wheel (12), universal wheel (12) can stretch out the installation cavity (11) through the flexible installation cavity (11) of stretching out or retract in installation cavity (11) of third extensible member (13).

10. The construction work signboard mounting and supporting device according to claim 9, wherein: the universal wheels (12) and the third telescopic pieces (13) are arranged in a plurality, and the third telescopic pieces (13) are connected together through connecting rods (14).

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