CN213742200U - Municipal administration civil engineering construction support - Google Patents

Abstract

The utility model provides a municipal administration civil engineering support, including supporting the standpipe, the rod is lifted to the U type, the rubber sleeve, the screw hole, the threaded rod, the rotatable check lock lever structure that articulates, rotatable regulation supporting seat structure, rotatable protective plate structure, the inserted link, the bottom plate, the toper dead lever, first set of takeover and support dead lever, the U type lift the rod respectively bolted connection at the inner wall intermediate position that supports the standpipe. The utility model discloses the setting of horizontal dead lever, screwed pipe, rotating seat, arc, connecting plate and toper dead lever is favorable to supporting the standpipe connection work through horizontal dead lever in the use, then inserts ground through the toper dead lever, conveniently supports standpipe fixed work in work; the supporting seat, the diagonal brace, second cover are taken over, U type connecting seat and square head bolt and are supported the setting of standpipe, are favorable to supporting the standpipe work and conveniently carry out support supporting work simultaneously at the in-process that uses.

Description

Municipal administration civil engineering construction support

Technical Field

The utility model belongs to the technical field of civil engineering construction equipment, especially, relate to a municipal administration civil engineering construction support.

Background

The civil engineering construction is the construction of civil building engineering, in the process of building construction, particularly in the civil engineering construction process of industrial factory buildings, a plurality of supports for pouring reinforced concrete need to be built on the construction site without leaving field construction supports, so as to ensure the flatness of a pouring surface and ensure the engineering quality and the safety protection performance of building operators.

But current construction support still has and is inconvenient connecting fixedly at the in-process that uses, inconvenient supports the support and inconvenient the problem of assembling the protection at the in-process of transport.

Therefore, the utility model relates to a municipal civil engineering construction support seems very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a municipal administration civil engineering construction support to there is inconvenient the connecting fixedly at the in-process that uses in solving current construction support, and inconvenient supports the support and is assembling the problem of protection at the in-process of transport inconveniently. A municipal civil construction support comprises a supporting vertical pipe, a U-shaped lifting rod, a rubber sleeve, a threaded hole, a threaded rod, a rotatable hooking locking rod structure, a rotatable adjusting supporting seat structure, a rotatable protective plate structure, an inserting rod, a bottom plate, a conical fixed rod, a first sleeving pipe and a supporting fixed rod, wherein the U-shaped lifting rod is respectively bolted at the middle position of the inner wall of the supporting vertical pipe; the rubber sleeve is sleeved in the middle of the outer wall of the U-shaped lifting rod; the threaded holes are respectively arranged at the middle position of the upper inner part and the middle position of the lower inner part of the support vertical pipe; the lower end of the threaded rod is respectively in threaded connection with the middle position inside the upper side of the threaded hole; the upper end of the threaded rod is respectively in threaded connection with the middle position inside the lower side of the threaded hole; the rotatable hanging locking rod structure is arranged on the upper part of the outer wall of the supporting vertical pipe and the lower part of the outer wall; the rotatable adjusting support seat structures are respectively arranged in the middle of the upper part of the outer wall of the support vertical pipe; the rotatable protection plate structure is arranged at the upper end of the supporting and fixing rod; the inserting rods are respectively inserted in the middle of the inner part of the lower end of the supporting vertical pipe; the lower ends of the inserting rods are respectively welded at the middle position of the upper end of the bottom plate; the conical fixed rods are respectively arranged at the left side and the right side of the lower end of the rotatable hanging locking rod structure; the first sleeving pipes are sleeved on the outer wall of the upper end of the supporting vertical pipe respectively; the first sleeving pipe is respectively welded in front of the lower end of the supporting fixed rod and behind the lower end of the supporting fixed rod; the rotatable hanging locking rod structure comprises a transverse fixing rod, threaded pipes, a rotating seat, an arc-shaped plate, a connecting plate and bolt nuts, wherein the threaded pipes are respectively welded on the left side and the right side of the lower end of the transverse fixing rod; one end of the rotating seat is respectively connected to the middle positions in the left side and the right side of the transverse fixing rod in a shaft mode; the other end of the rotating seat is respectively welded at the middle positions of the left side and the right side of the arc-shaped plate; the connecting plates are respectively welded in the middle positions of the outer walls of the left side and the right side of the arc-shaped plate; and a bolt in the bolt nut penetrates through the middle part inside the connecting plate and is in threaded connection with the nut.

Preferably, the rotatable and adjustable supporting seat structure comprises a supporting seat, an inclined stay bar, a second sleeving pipe, a U-shaped connecting seat and a square head bolt, wherein the lower end of the inclined stay bar is in shaft connection with the middle position inside the upper side of the supporting seat; the U-shaped connecting seat is connected to the middle position of the right side of the second sleeving pipe through a bolt; the square head bolt is in threaded connection with the middle position of the front surface of the second sleeving pipe; the upper end of the inclined stay bar is coupled to the middle position inside the right side of the U-shaped connecting seat.

Preferably, the rotatable protection plate structure comprises a top plate, arc-shaped clamping plates, a stainless steel mesh, an accommodating groove, a rotary protection rod and locking bolts, wherein the arc-shaped clamping plates are respectively bolted at four corners of the lower end of the top plate; the stainless steel net is connected to the middle position of the upper end of the top plate through a bolt; the accommodating grooves are respectively transversely arranged at the four corners of the upper end of the top plate; the rotary protective rods are respectively inserted into the accommodating grooves; the locking bolts respectively penetrate through the four corners of the top plate; the locking bolts are respectively bolted at the middle positions inside the left side and the right side of the rotary protection rod.

Preferably, the threaded rod is in threaded connection with the support vertical pipe through a threaded hole; the threaded rod is arranged between the support vertical pipes; the bottom plate is respectively arranged at the bottom ends of the supporting vertical pipes.

Preferably, the transverse fixing rod is a stainless steel pipe which is provided with a groove at the middle position inside the left side and the right side and is hollow inside; the arc-shaped plates are respectively arranged at the left side and the right side of the transverse fixing rod.

Preferably, the arc-shaped plates are respectively sleeved on the outer walls of the supporting vertical pipes; the transverse fixing rod is arranged between the supporting vertical pipes; the conical fixed rods are respectively in threaded connection with the middle position inside the lower side of the threaded pipe.

Preferably, the supporting seat is an inverted T-shaped stainless steel seat; the inclined supporting rod is a stainless steel rod.

Preferably, the second sleeving pipes are respectively sleeved at the middle positions of the upper parts of the outer walls of the supporting vertical pipes; the supporting seats are respectively arranged at the four corners of the supporting vertical pipe.

Preferably, the stainless steel net is arranged between the accommodating grooves; the arc-shaped clamping and connecting plate is an arc-shaped stainless steel plate with elasticity.

Preferably, the top plate is arranged on the outer wall of the upper end of the supporting fixing rod through an arc-shaped clamping plate; the arc-shaped clamping plate is clamped on the outer wall of the upper end of the supporting fixing rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, horizontal dead lever, the screwed pipe, rotate the seat, the arc, the setting of connecting plate and toper dead lever is favorable to supporting the standpipe connection work through horizontal dead lever at the in-process that uses, then inserts ground through the toper dead lever, conveniently supports standpipe fixed work at work.

2. The utility model discloses in, supporting seat, diagonal brace, second jacketing pipe, U type connecting seat and square head bolt and the setting of supporting the standpipe are favorable to supporting the standpipe work and conveniently carrying out the support work simultaneously at the in-process that uses.

3. The utility model discloses in, roof, arc joint board, accomodate the groove, the setting of mutually supporting of rotation fender rod and locking bolt and support dead lever is favorable to carrying out roof concatenation work at the in-process that uses, rotates the angle that rotates the fender rod simultaneously, screwing up the locking bolt, the in-process that conveniently uses carries out protection work.

4. The utility model discloses in, horizontal dead lever, rotate the seat, the arc, the setting of connecting plate and bolt and nut is favorable to rotating the seat and driving the arc at the in-process that uses and rotates, then makes the arc parcel at the outer wall that supports the standpipe, the convenient in-process that uses supports the standpipe and connects work.

5. The utility model discloses in, supporting seat, diagonal brace, second cover pipe, U type connecting seat and square head bolt and the setting of supporting the standpipe are favorable to rotating second cover pipe at the in-process that uses, drive diagonal brace and supporting seat and rotate, the in-process that conveniently uses carries out support supporting work.

6. The utility model discloses in, roof, arc joint board, the stainless steel mesh, the setting of holding groove and rotation protection rod is favorable to carrying out anti-skidding work through the stainless steel mesh at the in-process that uses, prevents to skid at the in-process workman foot that uses and increases anti-skidding function.

7. The utility model discloses in, the support standpipe, the U type lifts the pole, the rubber sleeve, the setting of screw hole and threaded rod is favorable to making through the screw hole at the in-process that uses and supports standpipe and threaded rod threaded connection setting, prevents to support the standpipe and the threaded rod separation causes the incident at the in-process that uses.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the rotatable hooking locking rod structure of the present invention.

Fig. 3 is a schematic structural view of the rotatable adjusting supporting seat structure of the present invention.

Fig. 4 is a schematic structural diagram of the rotatable guard plate structure of the present invention.

In the figure:

1. supporting the vertical tube; 2. a U-shaped lifting rod; 3. a rubber sleeve; 4. a threaded hole; 5. a threaded rod; 6. the locking rod structure can be hung and connected in a rotating way; 61. a transverse fixing rod; 62. a threaded pipe; 63. a rotating seat; 64. an arc-shaped plate; 65. a connecting plate; 66. a bolt and a nut; 7. the supporting seat structure can be adjusted in a rotating way; 71. a supporting seat; 72. a diagonal brace; 73. a second sleeving tube; 74. a U-shaped connecting seat; 75. a square head bolt; 8. a rotatable guard plate structure; 81. a top plate; 82. an arc-shaped clamping and connecting plate; 83. a stainless steel mesh; 84. a receiving groove; 85. rotating the guard bar; 86. locking the bolt; 9. a plug rod; 10. a base plate; 11. a tapered fixing rod; 12. a first socket pipe; 13. and supporting the fixing rod.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a municipal civil engineering support comprises a support vertical pipe 1, a U-shaped lifting rod 2, a rubber sleeve 3, a threaded hole 4, a threaded rod 5, a rotatable hanging locking rod structure 6, a rotatable adjusting support seat structure 7, a rotatable protective plate structure 8, an inserting rod 9, a bottom plate 10, a conical fixed rod 11, a first sleeving pipe 12 and a support fixed rod 13, wherein the U-shaped lifting rod 2 is respectively bolted at the middle position of the inner wall of the support vertical pipe 1; the rubber sleeve 3 is sleeved in the middle of the outer wall of the U-shaped lifting rod 2; the threaded holes 4 are respectively arranged at the middle position of the upper inner part and the middle position of the lower inner part of the support vertical pipe 1; the lower end of the threaded rod 5 is respectively in threaded connection with the middle position inside the upper side of the threaded hole 4; the upper end of the threaded rod 5 is respectively in threaded connection with the middle position inside the lower side of the threaded hole 4; the rotatable hanging locking rod structure 6 is arranged on the upper part and the lower part of the outer wall of the supporting vertical pipe 1; the rotatable adjusting support seat structures 7 are respectively arranged in the middle of the upper part of the outer wall of the support vertical pipe 1; the rotatable guard plate structure 8 is arranged at the upper end of the supporting and fixing rod 13; the insertion rods 9 are respectively inserted in the middle of the lower end inside the support vertical pipe 1; the lower ends of the plug-in rods 9 are respectively welded in the middle of the upper end of the bottom plate 10; the conical fixed rods 11 are respectively arranged at the left side and the right side of the lower end of the rotatable hanging locking rod structure 6; the first sleeving pipes 12 are respectively sleeved on the outer wall of the upper end of the supporting vertical pipe 1; the first sleeving pipe 12 is respectively welded in front of the lower end and behind the lower end of the supporting and fixing rod 13; the rotatable hanging locking rod structure 6 comprises a transverse fixing rod 61, a threaded pipe 62, a rotating seat 63, an arc-shaped plate 64, a connecting plate 65 and a bolt nut 66, wherein the threaded pipe 62 is respectively welded at the left side and the right side of the lower end of the transverse fixing rod 61; one end of the rotating seat 63 is respectively connected to the middle positions of the inner parts of the left side and the right side of the transverse fixing rod 61 in a shaft mode; the other end of the rotating seat 63 is welded at the middle position of the left side and the right side of the arc-shaped plate 64 respectively; the connecting plates 65 are respectively welded in the middle positions of the outer walls of the left side and the right side of the arc-shaped plate 64; the bolt of the bolt nut 66 penetrates through the middle position inside the connecting plate 65 and is in threaded connection with a nut; peg graft respectively with peg graft 9 when using and be supporting the inside intermediate position of downside of standpipe 1, then according to the requirement of construction height, will support standpipe 1 through threaded rod 5 and splice together, support the in-process of standpipe 1 with the arc 64 cup joint respectively in the suitable position of the outer wall that supports standpipe 1 in the concatenation, conveniently support standpipe 1 fixed work at work, connect the inside intermediate position of downside at the screwed pipe 62 that the bottom set up with toper dead lever 11, the convenience is to supporting standpipe 1 and is carried out fixed work.

In this embodiment, referring to fig. 3, the rotatably adjustable supporting seat structure 7 includes a supporting seat 71, an inclined strut 72, a second sleeving tube 73, a U-shaped connecting seat 74 and a square head bolt 75, wherein a lower end of the inclined strut 72 is pivotally connected to an upper inner middle position of the supporting seat 71; the U-shaped connecting seat 74 is connected to the middle position of the right side of the second sleeving pipe 73 through a bolt; the square-head bolt 75 is in threaded connection with the middle position of the front surface of the second sleeving pipe 73; the upper end of the inclined strut 72 is coupled to the middle position inside the right side of the U-shaped connecting seat 74; in the fixed stay standpipe 1, cup joint second cover pipe 73 in the suitable position of support standpipe 1 outer wall, screw up square head bolt 75, then prevent supporting seat 71 in suitable position, conveniently support standpipe 1 at the in-process that uses and support fixed work, prevent to support standpipe 1 slope influence use work at the in-process that uses.

In this embodiment, referring to fig. 4, the rotatable guard plate structure 8 includes a top plate 81, arc-shaped clamping plates 82, a stainless steel net 83, a receiving groove 84, a rotating guard bar 85 and a locking bolt 86, wherein the arc-shaped clamping plates 82 are respectively bolted at four corners of the lower end of the top plate 81; the stainless steel net 83 is bolted at the middle position of the upper end of the top plate 81; the accommodating grooves 84 are respectively transversely arranged at four corners of the upper end of the top plate 81; the rotation protection rods 85 are respectively inserted into the accommodating grooves 84; the locking bolts 86 respectively penetrate through the four corners of the top plate 81; the locking bolts 86 are respectively bolted at the middle positions inside the left side and the right side of the rotary protection rod 85; after splicing supporting the vertical pipe 1, supporting the fixing rod 13 and fixing the fixing rod in the upper end of supporting the vertical pipe 1 through the first sleeve joint pipe 12, using the arc clamping plate 82 to clamp the outer wall of the upper end of supporting the fixing rod 13, fixing the top plate 81, rotating the angle of the protection rod 85, screwing the locking bolt 86 after rotating the protection rod 85 to a proper position, fixing the rotation protection rod 85, conveniently performing protection work in the process of working, and further completing the work of the support.

In this embodiment, specifically, the threaded rod 5 is in threaded connection with the support vertical pipe 1 through the threaded hole 4; the threaded rod 5 is arranged between the support vertical pipes 1; the bottom plates 10 are respectively arranged at the bottom ends of the support vertical pipes 1.

In this embodiment, specifically, the transverse fixing rod 61 is a stainless steel tube with a groove formed in the middle of the inner portions of the left and right sides and a hollow inner portion; the arc plates 64 are respectively arranged at the left and right sides of the transverse fixing rod 61.

In this embodiment, specifically, the arc-shaped plates 64 are respectively sleeved on the outer walls of the support vertical pipes 1; the transverse fixing rod 61 is arranged between the supporting vertical pipes 1; the tapered fixing rods 11 are respectively screwed at the lower inner middle positions of the threaded pipes 62.

In this embodiment, specifically, the supporting seat 71 is an inverted T-shaped stainless steel seat; the inclined supporting rod 72 is made of a stainless steel rod.

In this embodiment, specifically, the second sleeving pipes 73 are respectively sleeved at the middle positions of the upper parts of the outer walls of the supporting vertical pipes 1; the supporting seats 71 are respectively arranged at four corners of the supporting vertical tube 1.

In this embodiment, specifically, the stainless steel net 83 is disposed between the receiving grooves 84; the arc-shaped clamping plate 82 is an arc-shaped stainless steel plate with elasticity.

In this embodiment, specifically, the top plate 81 is installed on the outer wall of the upper end of the supporting and fixing rod 13 through an arc-shaped clamping and connecting plate 82; the arc-shaped clamping plate 82 is clamped on the outer wall of the upper end of the supporting fixing rod 13.

Principle of operation

In the utility model, the inserting rod 9 is respectively inserted in the middle position of the lower side of the support vertical pipe 1 when in use, then the support vertical pipe 1 is spliced together through the threaded rod 5 according to the requirement of construction height, the arc plate 64 is respectively sleeved on the proper position of the outer wall of the support vertical pipe 1 in the process of splicing the support vertical pipe 1, the fixing work of the support vertical pipe 1 is convenient to be carried out in work, the conical fixing rod 11 is connected at the middle position of the lower side of the threaded pipe 62 arranged at the bottom end, the fixing work of the support vertical pipe 1 is convenient to be carried out, the second sleeving pipe 73 is sleeved on the proper position of the outer wall of the support vertical pipe 1 while the support vertical pipe 1 is fixed, the square head bolt 75 is screwed down, then the supporting seat 71 is prevented from being in proper position, the vertical pipe 1 is convenient to be supported and fixed in use, the use is prevented from being influenced by the inclination of the support vertical pipe 1 in the use process, after splicing supporting the vertical pipe 1, supporting the fixing rod 13 and fixing the fixing rod in the upper end of supporting the vertical pipe 1 through the first sleeve joint pipe 12, using the arc clamping plate 82 to clamp the outer wall of the upper end of supporting the fixing rod 13, fixing the top plate 81, rotating the angle of the protection rod 85, screwing the locking bolt 86 after rotating the protection rod 85 to a proper position, fixing the rotation protection rod 85, conveniently performing protection work in the process of working, and further completing the work of the support.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. A municipal civil engineering construction support comprises a supporting vertical pipe (1), a U-shaped lifting rod (2), a rubber sleeve (3), a threaded hole (4), a threaded rod (5), a rotatable hanging locking rod structure (6), a rotatable adjusting supporting seat structure (7), a rotatable protective plate structure (8), an inserting rod (9), a bottom plate (10), a conical fixed rod (11), a first sleeving pipe (12) and a supporting fixed rod (13), wherein the U-shaped lifting rod (2) is respectively bolted at the middle position of the inner wall of the supporting vertical pipe (1); the rubber sleeve (3) is sleeved in the middle position of the outer wall of the U-shaped lifting rod (2); the threaded holes (4) are respectively arranged at the middle position of the upper inner part and the middle position of the lower inner part of the support vertical pipe (1); the lower end of the threaded rod (5) is respectively in threaded connection with the middle position inside the upper side of the threaded hole (4); the upper end of the threaded rod (5) is respectively in threaded connection with the middle position inside the lower side of the threaded hole (4); the insertion rods (9) are respectively inserted in the middle of the inner part of the lower end of the support vertical pipe (1); the lower ends of the insertion rods (9) are respectively welded in the middle of the upper end of the bottom plate (10); the conical fixed rods (11) are respectively arranged at the left side and the right side of the lower end of the rotatable hanging locking rod structure (6); the first sleeving pipes (12) are respectively sleeved on the outer wall of the upper end of the supporting vertical pipe (1); the first sleeving pipe (12) is respectively welded in front of the lower end and behind the lower end of the supporting and fixing rod (13); the municipal civil construction support is characterized in that the rotatable hanging locking rod structure (6) in the municipal civil construction support is arranged on the upper part and the lower part of the outer wall of the support vertical pipe (1); the rotatable adjusting support seat structures (7) are respectively arranged in the middle of the upper part of the outer wall of the support vertical pipe (1); the rotatable guard plate structure (8) is arranged at the upper end of the supporting and fixing rod (13); the rotatable hanging locking rod structure (6) comprises a transverse fixing rod (61), a threaded pipe (62), a rotating seat (63), an arc-shaped plate (64), a connecting plate (65) and a bolt nut (66), wherein the threaded pipe (62) is respectively welded at the left side and the right side of the lower end of the transverse fixing rod (61); one end of the rotating seat (63) is respectively connected to the middle positions of the inner parts of the left side and the right side of the transverse fixing rod (61) in a shaft mode; the other end of the rotating seat (63) is respectively welded at the middle positions of the left side and the right side of the arc-shaped plate (64); the connecting plates (65) are respectively welded in the middle positions of the outer walls of the left side and the right side of the arc-shaped plate (64); the bolt in the bolt nut (66) penetrates through the middle position in the connecting plate (65) and is in threaded connection with the nut.

2. The municipal civil construction support according to claim 1, wherein the rotatably adjustable support structure (7) comprises a support base (71), a diagonal brace (72), a second sleeve pipe (73), a U-shaped connecting base (74) and a square head bolt (75), wherein the lower end of the diagonal brace (72) is pivotally connected to the upper inner middle position of the support base (71); the U-shaped connecting seat (74) is connected to the middle position of the right side of the second sleeving pipe (73) through a bolt; the square-head bolt (75) is in threaded connection with the middle position of the front surface of the second sleeving pipe (73); the upper end of the inclined strut (72) is coupled to the middle position inside the right side of the U-shaped connecting seat (74).

3. The municipal civil engineering construction support according to claim 1, wherein the rotatable guard plate structure (8) comprises a top plate (81), arc-shaped snap plates (82), stainless steel nets (83), receiving grooves (84), rotating guard bars (85) and locking bolts (86), wherein the arc-shaped snap plates (82) are respectively bolted at the four corners of the lower end of the top plate (81); the stainless steel net (83) is connected to the middle position of the upper end of the top plate (81) through a bolt; the accommodating grooves (84) are respectively and transversely arranged at the four corners of the upper end of the top plate (81); the rotating protective rods (85) are respectively inserted into the accommodating grooves (84); the locking bolts (86) respectively penetrate through the four corners of the top plate (81); the locking bolts (86) are respectively bolted at the middle positions inside the left side and the right side of the rotary protection rod (85).

4. The municipal civil construction support according to claim 1, wherein the threaded rod (5) is threadedly engaged with the support riser (1) through the threaded hole (4); the threaded rod (5) is arranged between the support vertical pipes (1); the bottom plate (10) is respectively arranged at the bottom ends of the supporting vertical pipes (1).

5. The municipal civil engineering construction support according to claim 1, wherein the transverse fixing rod (61) is a hollow stainless steel tube with a groove formed in the middle of the inside of the left side and the right side; the arc-shaped plates (64) are respectively arranged at the left side and the right side of the transverse fixing rod (61).

6. The municipal civil engineering support according to claim 1, wherein the curved plates (64) are respectively sleeved on the outer walls of the support risers (1); the transverse fixing rod (61) is arranged between the supporting vertical pipes (1); the conical fixing rods (11) are respectively in threaded connection with the middle position inside the lower side of the threaded pipe (62).

7. A municipal civil construction support according to claim 2, wherein said support base (71) is an inverted T-shaped stainless steel base; the inclined supporting rod (72) is a stainless steel rod.

8. The municipal civil engineering construction support according to claim 2, wherein the second sleeving pipes (73) are respectively sleeved at the middle positions of the upper parts of the outer walls of the support vertical pipes (1); the supporting seats (71) are respectively arranged at the four corners of the supporting vertical pipe (1).

9. A municipal civil construction support according to claim 3, wherein said stainless steel net (83) is disposed between the receiving grooves (84); the arc-shaped clamping and connecting plate (82) is an arc-shaped stainless steel plate with elasticity.

10. A municipal civil construction support according to claim 3, wherein the top plate (81) is mounted on the outer wall of the upper end of the supporting and fixing rod (13) through an arc-shaped snap plate (82); the arc-shaped clamping plate (82) is clamped on the outer wall of the upper end of the supporting fixing rod (13).

Images