Safety supporting device for bottom construction of bridge high pier operation platform

Abstract

The utility model relates to the technical field of bridge building construction, and discloses a safety supporting device for building the bottom of a bridge high pier operation platform, which comprises a hoop, and a supporting frame is fixedly connected above the hoop; the sliding ring is rotationally connected to the peripheral side of the hoop, and the peripheral side of the sliding ring is connected with a plurality of wedge-shaped blocks which are arranged at intervals; the positioning rods are arranged in the axis direction of the hoop, one ends of the positioning rods are used for being detachably connected with preset positioning grooves in the outer surface of the pier column, the other ends of the positioning rods sequentially penetrate through the hoop, the sliding ring and the wedge-shaped blocks and are connected with stopping pieces, and the stopping pieces are slidably connected with the wedge-shaped faces of the wedge-shaped blocks in a one-to-one correspondence mode; the driving assembly is used for driving the sliding ring to rotate around the axis direction of the hoop; and the elastic piece is used for driving one end of the positioning rod to move towards the axis direction of the hoop. A standing platform for workers is provided for later construction platform building, safety belt lifting points can be arranged on the hoops, and a safe construction environment is provided.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a safety supporting device for the bottom construction of a high-pier working platform of a bridge. Background Art

[0002] During the construction of bridge cap (tie) beams, a work platform must be built on the piers. This work platform is typically secured to the piers using clamps. A clamp is a ring-shaped metal product that tightly holds the pier, forming a stable, integrated structure. An I-beam, a steel material shaped like the Chinese character "I," is then placed on the clamp. Finally, a support system and work platform are installed above the I-beam.

[0003] Typically, the outer surface of a pier column is smooth, which presents challenges before installing the clamps. Since there are no platforms for workers to stand on or safety harness points around the pier column, temporary scaffolding or mobile work platforms are often used to provide stable support for workers. However, the use of temporary scaffolding or mobile work platforms increases construction costs and wastes construction time.

[0004] In view of this, designing a safety support device that can selectively engage with the pier column and realize a rapid installation and removal process has become a technical problem that needs to be urgently solved by those skilled in the art. Utility Model Content

[0005] The utility model aims to provide a safety support device for the bottom construction of a high pier working platform of a bridge, so as to solve the above-mentioned shortcomings.

[0006] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is:

[0007] A safety support device for the bottom construction of a high pier working platform of a bridge, comprising:

[0008] A hoop, the upper portion of which is fixedly connected to a support frame;

[0009] A sliding ring rotatably connected to the circumference of the hoop, wherein the circumference of the sliding ring is connected to a plurality of wedge blocks arranged at intervals;

[0010] A plurality of positioning rods are arranged along the axis of the clamp, one end of each positioning rod is used to be detachably connected to a preset positioning groove on the outer surface of the pier column, and the other end of each positioning rod passes through the clamp, the sliding ring and the wedge block in sequence and is connected to a stopper, and the plurality of stoppers are slidably connected to the wedge surfaces of the plurality of wedge blocks in a one-to-one correspondence;

[0011] A driving assembly for driving the sliding ring to rotate around the axis of the hoop; and

[0012] An elastic member is used to drive one end of the positioning rod to move toward the axis of the clamp.

[0013] Furthermore, the inner side wall of the clamp is provided with a plurality of stepped through holes, and the plurality of stepped through holes are arranged in a one-to-one correspondence with the plurality of positioning rods. The large hole of the stepped through hole is located on the side close to the axis of the clamp, and a positioning block is slidably connected in the large hole of the stepped through hole, and the positioning block is fixedly connected to one end of the positioning rod;

[0014] The elastic member is a compression spring, one end of which is connected to the end wall of the large hole of the stepped through hole, and the other end of which is connected to the positioning block.

[0015] Furthermore, the outer wall of the sliding ring is provided with a mounting groove, the wedge block is embedded in the mounting groove, and the sliding ring and the wedge block are both provided with a sliding groove slidably connected to the positioning rod.

[0016] Furthermore, the stopping member is a limit pin, the limit pin is vertically fixedly connected to the other end of the positioning rod, and the limit pin is slidably connected to the wedge surface of the wedge block.

[0017] Furthermore, the driving assembly includes:

[0018] A first connecting seat fixedly connected to the outer side wall of the hoop, wherein the first connecting seat is rotatably connected to a rotating seat, and the rotating seat is fixedly connected to a driving motor;

[0019] a second connecting seat fixedly connected to the outer side wall of the sliding ring, a threaded sleeve rotatably connected to the second connecting seat; and

[0020] A screw, wherein the middle portion of the screw is threadedly connected to the threaded sleeve, one end of the screw passes through the rotating seat and is transmission-connected to the output shaft of the driving motor, and the screw is rotationally connected to the rotating seat.

[0021] Furthermore, a support plate is fixedly connected to the top end of the clamp, and an oblique brace is connected between the support plate and the side wall of the clamp.

[0022] Furthermore, the support frame includes:

[0023] Two first support rods fixedly connected to the support plate, the two support rods being respectively located at the front and rear sides of the pier column;

[0024] a plurality of connecting rods for connecting two of the first support rods; and

[0025] A second support rod is vertically fixedly connected above the first support rod.

[0026] Furthermore, the first support rod and the second support rod are made of I-beam.

[0027] Furthermore, the clamp includes a plurality of clamp monomers, the plurality of clamp monomers are detachably connected to each other, the plurality of clamp monomers are assembled into a circular ring shape, and the clamp monomers are used for transitional cooperation with the pier column.

[0028] Furthermore, the sliding ring includes a plurality of sliding ring monomers, the plurality of sliding ring monomers are detachably connected to each other, and the plurality of sliding ring monomers are assembled into a circular ring shape.

[0029] Compared with the prior art, the present invention has at least the following advantages:

[0030] Before using the present invention, it is necessary to pre-embed a sleeve on the outer surface of the pier to form a positioning groove, and the notch of the positioning groove faces the peripheral side of the pier. When installing the working platform, it is necessary to sleeve the clamp on the peripheral side of the pier near the ground, and use the driving assembly to drive the sliding ring to rotate so that the larger end of the wedge block is connected to the stopper. At this time, one end of the positioning rod can be embedded in the clamp and the sliding ring, and the clamp is lifted upward by hoisting. When one end of the positioning rod is opposite to the positioning groove preset on the outer surface of the pier, the driving assembly is used to drive the sliding ring to rotate again so that the smaller end of the wedge block is connected to the stopper. At this time, one end of the positioning rod is embedded in the positioning groove and the clamp at the same time under the action of the elastic member, so as to realize the rapid connection process between the pier and the clamp, and then the support frame is installed above the clamp, and the working platform is installed on the support frame.

[0031] On the contrary, when dismantling, it is necessary to first dismantle the support frame and hoist the clamp, and use the driving assembly to drive the sliding ring to rotate so that the larger end of the wedge block is connected to the stopper. At this time, one end of the positioning rod can be embedded in the clamp and the sliding ring. At this time, the clamp can be hoisted down from a high altitude and then removed.

[0032] The utility model discloses when the support at the bottom of the working platform is connected, when the clamp is connected to the pier column, it avoids building a scaffold and using a mobile working platform, can realize the rapid connection of the clamp and the pier column, provides a standing platform for workers to build a construction platform in the later stage, and the safety belt hanging point can be set on the clamp to provide a safe construction environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] 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. 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.

[0034] Figure 1 This is a schematic diagram of the overall structure of the safety support device for the bottom construction of the high pier working platform of the bridge according to the utility model;

[0035] Figure 2 This is a cross-sectional view of a safety support device for the bottom construction of a high-pier working platform for bridges according to the present invention;

[0036] Figure 3 For this utility model Figure 2 A partial enlarged view of area A in the middle;

[0037] Figure 4 This is a schematic diagram of the structure of the components of the utility model, including the clamp, sliding ring, positioning rod, and drive assembly;

[0038] Figure 5 This is an exploded view of the components of the utility model, such as the clamp, sliding ring, positioning rod, and drive assembly.

[0039] Figure markings: 1. pier; 2. positioning groove; 3. clamp; 4. sliding ring; 5. wedge block; 6. positioning rod; 7. stepped through hole; 8. positioning block; 9. compression spring; 10. mounting groove; 11. sliding groove; 12. limit pin; 13. first connecting seat; 14. rotating seat; 15. drive motor; 16. second connecting seat; 17. threaded sleeve; 18. screw; 19. support plate; 20. diagonal brace; 21. first support rod; 22. connecting rod; 23. second support rod. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0042] Reference Figure 1-2The utility model provides a safety support device for the bottom construction of a high pier working platform of a bridge. The device is a safety support device for the bottom construction of a high pier working platform of a bridge, including a clamp 3, a support frame, a sliding ring 4, a wedge block 5, a positioning rod 6, a stopper, a drive assembly and an elastic member.

[0043] A support frame is fixedly connected to the top of the clamp 3, and a work platform is installed on the top of the support frame. A sliding ring 4 is rotatably connected to the circumference of the clamp 3. Sliding grooves are arranged on the circumference of the clamp 3. The inner side wall of the sliding ring 4 is slidably connected to the sliding grooves. A plurality of wedge blocks 5 are connected to the circumference of the sliding ring 4 at intervals. The positioning rod 6 is arranged along the axis of the clamp 3. One end is detachably connected to the preset positioning groove 2 on the outer surface of the pier 1, and the other end passes through the clamp 3, the sliding ring 4 and the wedge block 5 in sequence and is connected to a stopper. The stopper is slidably connected to the wedge surface of the wedge block 5 in a one-to-one correspondence. The drive assembly is used to drive the sliding ring 4 to rotate around the axis of the clamp 3, and the elastic member is used to drive one end of the positioning rod 6 to move toward the axis of the clamp 3.

[0044] The inner wall of the clamp 3 is provided with multiple stepped through-holes 7, corresponding one to each positioning rod 6. The large hole of the stepped through-hole 7 is located on the side closest to the axis of the clamp 3. A positioning block 8 is slidably connected within the large hole and fixedly connected to one end of the positioning rod 6. The elastic member is a compression spring 9, one end of which is connected to the end wall of the large hole of the stepped through-hole 7 and the other end is connected to the positioning block 8.

[0045] The outer wall of the sliding ring 4 is provided with a mounting groove 10, into which the wedge block 5 is embedded. Both the sliding ring 4 and the wedge block 5 are provided with sliding grooves 11 that are slidably connected to the positioning rod 6. The stopper is a limit pin 12, which is fixedly connected vertically to the other end of the positioning rod 6 and slidably connected to the wedge surface of the wedge block 5.

[0046] The drive assembly includes a first connecting base 13, a rotating base 14, a drive motor 15, a second connecting base 16, a threaded sleeve 17, and a screw 18. The first connecting base 13 is fixedly connected to the outer wall of the clamp 3. The rotating base 14 is rotatably connected to the first connecting base 13. The drive motor 15 is fixedly connected to the rotating base 14. The second connecting base 16 is fixedly connected to the outer wall of the sliding ring 4. The threaded sleeve 17 is rotatably connected to the second connecting base 16. The middle portion of the screw 18 is threadedly connected to the threaded sleeve 17. One end extends through the rotating base 14 and is drivingly connected to the output shaft of the drive motor 15. The screw 18 is rotatably connected to the rotating base 14.

[0047] A support plate 19 is fixedly connected to the top of the hoop 3, with diagonal braces 20 connecting the support plate 19 to the sidewalls of the hoop 3. The support frame includes two first support rods 21, multiple connecting rods 22, and second support rods 23. The first support rods 21 are fixedly connected to the support plate 19 and are located on the front and rear sides of the pier 1. The connecting rods 22 are used to connect the two first support rods 21. The second support rods 23 are fixedly connected vertically above the first support rods 21.

[0048] The first support rod 21 and the second support rod 23 are made of I-beam.

[0049] The clamp 3 includes a plurality of clamp 3 monomers, which are detachably connected to each other and assembled into a circular ring for transitional cooperation with the pier 1. The sliding ring 4 includes a plurality of sliding ring 4 monomers, which are detachably connected to each other and assembled into a circular ring.

[0050] The working principle of this utility model:

[0051] When in use, first, connect multiple clamps 3 monomers near the ground and put them on the side of the pier 1 to form a circular ring clamp 3, install a sliding ring 4 monomer on the sliding groove, put it on the side of the clamp 3 to form an arc-shaped sliding ring 4, and use the driving motor 15 to drive the screw 18 to rotate, so that the larger end of the wedge block 5 is connected to the stopper on the positioning rod 6. At this time, the positioning block 8 is embedded in the stepped hole.

[0052] Then, the crane is used to move upward until the positioning block 8 is opposite to the preset positioning groove 2 on the outer surface of the pier 1, and the driving motor 15 is used to drive the screw 18 to rotate, so that the smaller end of the wedge block 5 is connected to the stopper on the positioning rod 6. The positioning block 8 is embedded in the positioning groove 2 of the pier 1 under the action of the elastic member, and the pier 1 and the clamp 3 are quickly connected.

[0053] Next, the first support rod 21 , the connecting rod 22 and the second support rod 23 are sequentially installed on the support plate 19 from top to bottom.

[0054] Finally, the working platform is installed on the second support rod 23 .

[0055] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0056] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A safety support device for the bottom construction of a high pier working platform of a bridge, characterized in that: include: A hoop (3), wherein a support frame is fixedly connected to the top of the hoop (3); A sliding ring (4) is rotatably connected to the circumference of the hoop (3), and a plurality of wedge blocks (5) arranged at intervals are connected to the circumference of the sliding ring (4); A plurality of positioning rods (6) are arranged along the axis direction of the clamp (3), one end of the positioning rod (6) is used for detachable connection with the preset positioning groove (2) on the outer surface of the pier (1), and the other end of the positioning rod (6) passes through the clamp (3), the sliding ring (4) and the wedge block (5) in sequence and is connected to a stopper, and the plurality of stoppers are slidably connected with the wedge surfaces of the plurality of wedge blocks (5) in a one-to-one corresponding manner; A driving assembly for driving the sliding ring (4) to rotate around the axis of the hoop (3); as well as An elastic member for driving one end of the positioning rod (6) to move toward the axis of the clamp (3).

2. The safety support device for the bottom construction of a high pier working platform of a bridge according to claim 1 is characterized in that: The inner side wall of the clamp (3) is provided with a plurality of stepped through holes (7), and the plurality of stepped through holes (7) are arranged in a one-to-one correspondence with the plurality of positioning rods (6). The large hole of the stepped through hole (7) is located on a side close to the axis of the clamp (3). A positioning block (8) is slidably connected in the large hole of the stepped through hole (7), and the positioning block (8) is fixedly connected to one end of the positioning rod (6); The elastic member is a compression spring (9), one end of which is connected to the end wall of the large hole of the stepped through hole (7), and the other end of which is connected to the positioning block (8).

3. The safety support device for the bottom construction of a high pier working platform of a bridge according to claim 1 is characterized in that: The outer wall of the sliding ring (4) is provided with a mounting groove (10), the wedge block (5) is embedded in the mounting groove (10), and the sliding ring (4) and the wedge block (5) are both provided with a sliding groove (11) slidably connected to the positioning rod (6).

4. The safety support device for the bottom construction of a high pier working platform of a bridge according to claim 3 is characterized in that: The stopper is a limit pin (12), the limit pin (12) is vertically fixedly connected to the other end of the positioning rod (6), and the limit pin (12) is slidably connected to the wedge surface of the wedge block (5).

5. The safety support device for the bottom construction of a high pier working platform of a bridge according to claim 1 is characterized in that: The drive assembly includes: A first connecting seat (13) is fixedly connected to the outer side wall of the hoop (3), a rotating seat (14) is rotatably connected to the first connecting seat (13), and a driving motor (15) is fixedly connected to the rotating seat (14); a second connecting seat (16) fixedly connected to the outer side wall of the sliding ring (4), a threaded sleeve (17) rotatably connected to the second connecting seat (16); and A screw rod (18), wherein the middle portion of the screw rod (18) is threadedly connected to the threaded sleeve (17), one end of the screw rod (18) passes through the rotating seat (14) and is transmission-connected to the output shaft of the driving motor (15), and the screw rod (18) is rotationally connected to the rotating seat (14).

6. The safety support device for the bottom construction of a high pier working platform of a bridge according to claim 1 is characterized in that: The top end of the hoop (3) is fixedly connected to a support plate (19), and an oblique support (20) is connected between the support plate (19) and the side wall of the hoop (3).

7. The safety support device for the bottom construction of a high pier working platform of a bridge according to claim 6 is characterized in that: The support frame comprises: Two first support rods (21) fixedly connected to the support plate (19), the two support rods being respectively located at the front and rear sides of the pier column (1); A plurality of connecting rods (22) for connecting the two first support rods (21); and A second support rod (23) is vertically fixedly connected above the first support rod (21).

8. The safety support device for the bottom construction of a high pier working platform of a bridge according to claim 7 is characterized in that: The first support rod (21) and the second support rod (23) are made of I-beam.

9. The safety support device for the bottom construction of a high pier working platform of a bridge according to claim 1, characterized in that: The hoop (3) comprises a plurality of hoop (3) monomers, the plurality of hoop (3) monomers are detachably connected to each other, the plurality of hoop (3) monomers are assembled into a circular ring shape, and the hoop (3) monomers are used for transitional cooperation with the pier column (1).

10. The safety support device for the bottom construction of a high pier working platform of a bridge according to claim 1, characterized in that: The sliding ring (4) comprises a plurality of sliding ring (4) monomers, the plurality of sliding ring (4) monomers are detachably connected to each other, and the plurality of sliding ring (4) monomers are assembled into a circular ring shape.

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