Temporary support for giant arch installation

Abstract

The invention belongs to the technical field of constructional engineering, and discloses a temporary support for giant arch installation, which comprises a stand column and a transverse plate, and further comprises a bottom rod, a top rod and a bottom rod, the supporting mechanism is arranged on the outer wall of the bottom rod; the connecting mechanism is arranged on the outer wall of the stand column, and a clamping assembly is arranged on the inner wall of the connecting mechanism; the adjusting mechanism is arranged on the outer wall of the bottom rod; wherein the supporting mechanism comprises a base fixedly connected to the outer wall of the bottom end of the bottom rod, a rotating rod is hinged to the outer wall of the base through a supporting rod, and a sliding block is slidably connected to the outer wall of the bottom rod; through cooperation of structures such as the connecting blocks and the wedge blocks, when the transverse plate is installed on the four sets of stand columns, the wedge blocks in the fixing blocks are connected with the grooves in the transverse plate in a clamped mode, the transverse plate can be preliminarily fixed, operation does not need to be conducted through bolt rotating or welding, and then the splicing work efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of construction engineering, and in particular relates to a temporary bracket for installing a giant arch. Background Art

[0002] A mega-arch is a structure used in large-scale construction projects, with its notable features of large span, strong load-bearing capacity and unique shape. It bears the weight of the building itself, the roof and various environmental loads. Compared with the mega-arches traditionally used in large buildings and large infrastructure, small mega-arches are arch structures that are significantly smaller in size. They may appear in architectural sketches, small landscape buildings or interior decorations. Generally speaking, the span of a small mega-arch may be within a few meters and the height is about a few meters.

[0003] When constructing and installing a giant arch of smaller size, operators will temporarily build a scaffolding and stand on the scaffolding to perform construction and installation operations. The scaffolding is split. During the splicing and construction process, it will be fixed at the joints by bolts or welding. It is troublesome to turn the bolts multiple times, and the welding method is inconvenient when splitting. There is also a method of fixing it by tying with steel wire ropes. Although this method is more convenient, it has poor firmness. Therefore, a temporary bracket for the installation of the giant arch is proposed to address the above problems. Summary of the Invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a temporary bracket for giant arch installation, which solves the problems in the prior art that the connection operation is more complicated and the stability may be poor.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a temporary support for installing a giant arch, comprising columns and horizontal plates, and further comprising:

[0006] A bottom rod, the bottom rod being slidably connected to the outer wall of the bottom end of the column;

[0007] A connecting mechanism, wherein the connecting mechanism is provided on the outer wall of the column, and a clamping assembly is provided on the inner wall thereof;

[0008] A supporting mechanism, the supporting mechanism being arranged on the outer wall of the bottom rod;

[0009] an adjusting mechanism, the adjusting mechanism being arranged on the outer wall of the bottom rod;

[0010] The support mechanism includes a base fixedly connected to the outer wall of the bottom end of the bottom rod, the outer wall of the base is hinged with a rotating rod through the support rod, the outer wall of the bottom rod is slidably connected to a slider, and the inner wall of the slider is provided with a limit assembly;

[0011] The connecting mechanism includes a connecting block fixedly connected to the outer wall of the column, the outer wall of the connecting block is fixedly connected to a fixing block, and the inner wall of the fixing block is provided with a fixing component;

[0012] The adjusting mechanism comprises a circular ring rotatably connected to the outer wall of the bottom rod, and the inner wall of the bottom rod is elastically connected to the limit block via a compression spring.

[0013] Preferably, the fixing assembly includes two groups of wedge blocks, which are elastically connected via a connecting spring. The outer walls of the wedge blocks are hinged with shift blocks via a hinged rod, and the inner wall of the cross plate is provided with a groove.

[0014] Preferably, the wedge block is slidably connected to the inner wall of the fixed block, the two ends of the connecting spring are respectively fixed to the outer walls of the two groups of wedge blocks, the two ends of the hinged rod are respectively hinged to the outer walls of the shift block and the wedge block, and the wedge block is clamped in the groove.

[0015] Preferably, the clamping assembly includes a clamping plate, the bottom outer wall of the clamping plate is fixedly connected to a connecting rod, the inner wall of the connecting block is elastically connected to a trapezoidal block through a telescopic spring, and the outer wall of the cross plate is fixedly connected to a protrusion.

[0016] Preferably, the splint and the connecting rod are both slidably connected to the inner wall of the connecting block, one end of the telescopic spring is fixedly connected to the outer wall of the trapezoidal block, the other end of the telescopic spring is fixedly connected to the inner wall of the connecting block, and the trapezoidal block is slidably connected to the inner wall of the connecting block.

[0017] Preferably, both ends of the support rod are hinged to the rotating rod and the outer wall of the base respectively, the rotating rod is hinged to the outer wall of the slider, and a slot is provided on the outer wall of the bottom rod.

[0018] Preferably, the limiting assembly includes an insert block, which is elastically connected to the inner wall of the slider via a return spring, the insert block is engaged with the slot, and the insert block is slidably connected to the inner wall of the slider.

[0019] Preferably, one end of the return spring is fixedly connected to the inner wall of the slider, and the other end of the return spring is fixedly connected to the outer wall of the insert block.

[0020] Preferably, one end of the compression spring is fixedly connected to the outer wall of the limit block, the other end of the compression spring is fixedly connected to the inner wall of the bottom rod, and the limit block is slidably connected to the inner wall of the bottom rod.

[0021] Preferably, a limiting groove is provided on the outer wall of the column, an inclined surface is provided on the inner wall of the ring, and the limiting block is slidably connected to the inclined surface.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention provides a connection block and a wedge block and other structures. When the cross plate is installed on the four groups of columns, the cross plate is placed on the fixing block. The wedge block inside the fixing block is engaged with the groove inside the cross plate, so the cross plate can be initially fixed. The operation is relatively convenient and does not require turning bolts or welding, thereby improving the efficiency of splicing.

[0024] The present invention provides a combination of structures such as protrusions and clamping plates. During the installation of the horizontal plate, the protrusions are placed in the inner wall of the connecting block and press down the trapezoidal block. At this time, the trapezoidal block can drive the clamping plates on both sides to move toward the middle to contact the protrusions and clamp the protrusions, thereby further improving the stability of the installation of the horizontal plate.

[0025] The present invention provides a support rod and a slider structure, and by moving the slider up and down, the support rod can be flipped. When the support rod is in contact with the ground, the stability of the bottom rod and the column can be improved. When the support rod and the rotating rod are flipped and folded, the occupied space can be reduced, which is convenient for transportation and carrying, thereby improving the overall practicality.

[0026] The present invention cooperates with structures such as a circular ring and a limit block. When the ground is uneven, the circular ring can be rotated and the bottom rod can be moved up and down to adjust the combined length between the bottom rod and the column. This ensures that the cross board remains horizontal even when the ground is high or low, thereby improving stability and adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the support mechanism structure of the present invention;

[0029] Figure 3 This is a schematic diagram of the cross section of the slider and the exploded structure of the bottom rod of the present invention;

[0030] Figure 4 This is a schematic structural diagram of the connecting mechanism of the present invention;

[0031] Figure 5 This is a schematic diagram of the exploded cross-section structure of the connecting block and the horizontal plate of the present invention;

[0032] Figure 6 For the present invention Figure 5 A schematic diagram of the enlarged structure of part A;

[0033] Figure 7 This is a cross-section diagram of the connecting block and the exploded structure of the horizontal plate of the present invention;

[0034] Figure 8 It is a schematic diagram of the exploded structure of the base rod, circular ring section and columns of the present invention.

[0035] In the figure: 1. column; 2. supporting mechanism; 201. base; 202. supporting rod; 203. rotating rod; 204. sliding block; 205. reset spring; 206. insert block; 3. connecting mechanism; 301. connecting block; 302. fixing block; 303. wedge block; 304. connecting spring; 305. hinged rod; 306. shift block; 3001. splint; 3002. telescopic spring; 3003. trapezoidal block; 3004. connecting rod; 4. cross plate; 5. slot; 6. groove; 7. protrusion; 8. adjusting mechanism; 801. ring; 802. compression spring; 803. limit block; 9. bottom rod; 10. limit slot. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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.

[0037] like Figures 1 to 8 As shown, the present invention provides a temporary support for installing a giant arch, including a column 1 and a horizontal plate 4, and also includes:

[0038] A bottom rod 9 is slidably connected to the outer wall of the bottom end of the column 1;

[0039] The connecting mechanism 3 is provided on the outer wall of the column 1, and a clamping assembly is provided on the inner wall thereof;

[0040] Support mechanism 2, support mechanism 2 is arranged on the outer wall of bottom rod 9;

[0041] An adjusting mechanism 8 is provided on the outer wall of the bottom rod 9;

[0042] The support mechanism 2 includes a base 201 fixedly connected to the outer wall of the bottom end of the bottom rod 9. The outer wall of the base 201 is hinged with a rotating rod 203 through a support rod 202. The outer wall of the bottom rod 9 is slidably connected to a slider 204. The inner wall of the slider 204 is provided with a limit assembly.

[0043] The connecting mechanism 3 includes a connecting block 301 fixedly connected to the outer wall of the column 1, the outer wall of the connecting block 301 is fixedly connected to a fixing block 302, and the inner wall of the fixing block 302 is provided with a fixing component;

[0044] The adjusting mechanism 8 includes a ring 801 rotatably connected to the outer wall of the bottom rod 9 , and the inner wall of the bottom rod 9 is elastically connected to a limit block 803 via a compression spring 802 .

[0045] The above scheme is adopted: the columns 1, the bottom rods 9 and the cross plate 4 form the temporary support body for the installation of the giant arch. The operator can stand on the cross plate 4 to operate at a high position during the installation process; the support mechanism 2 can improve the stability of the columns 1 and the bottom rods 9 and increase the contact area with the ground; the cross plate 4 can be fixed to the outer wall of the column 1 through the connecting mechanism 3, and a group of columns 1 and bottom rods 9 can be fixed at its four corners; the adjustment mechanism 8 can adjust the combined length of the bottom rods 9 and the columns 1, and the horizontality of the cross plate 4 can be maintained when the ground is low.

[0046] like Figure 5 and Figure 6 As shown, the fixing assembly includes two groups of wedge blocks 303, which are elastically connected by a connecting spring 304. The outer wall of the wedge block 303 is hinged with a shift block 306 through a hinge rod 305, and the inner wall of the cross plate 4 is provided with a groove 6; the wedge block 303 is slidably connected to the inner wall of the fixed block 302, and the two ends of the connecting spring 304 are respectively fixed to the outer walls of the two groups of wedge blocks 303, and the two ends of the hinge rod 305 are respectively hinged to the shift block 306 and the outer wall of the wedge block 303, and the wedge block 303 is clamped in the groove 6.

[0047] The above scheme is adopted: two groups of wedge blocks 303 are symmetrically distributed on the inner walls on both sides of the fixed block 302, and the two groups of wedge blocks 303 are connected to a group of shift blocks 306 through hinged rods 305. The wedge blocks 303 can only move horizontally, and the bottom of the shift blocks 306 passes through the outer wall of the fixed block 302; the cross plate 4 is placed on the fixed block 302 and is engaged with the groove 6 through the wedge blocks 303, so that the cross plate 4 can be fixed; when the shift blocks 306 are shifted, the two groups of hinged rods 305 will be driven to flip toward the middle, so that the two groups of wedge blocks 303 will move horizontally toward the middle and disengage from the groove 6, and the limit of the cross plate 4 can be released to be removed.

[0048] like Figure 7 As shown, the clamping assembly includes a splint 3001, the outer wall of the bottom end of the splint 3001 is fixedly connected to a connecting rod 3004, the inner wall of the connecting block 301 is elastically connected to the trapezoidal block 3003 through a telescopic spring 3002, and the outer wall of the cross plate 4 is fixedly connected to the protrusion 7; the splint 3001 and the connecting rod 3004 are both slidably connected to the inner wall of the connecting block 301, one end of the telescopic spring 3002 is fixedly connected to the outer wall of the trapezoidal block 3003, the other end of the telescopic spring 3002 is fixedly connected to the inner wall of the connecting block 301, and the trapezoidal block 3003 is slidably connected to the inner wall of the connecting block 301.

[0049] With the above solution, the telescopic spring 3002 causes the top of the trapezoidal block 3003 to protrude from the inner wall of the connecting block 301 due to its own elastic force. When the horizontal plate 4 is placed on the fixed block 302, the protrusion 7 will be inserted downward into the inner wall of the connecting block 301 and contact the top outer wall of the trapezoidal block 3003, generating downward pressure on the trapezoidal block 3003 to move it downward. Figure 7 As shown, under normal circumstances, the two groups of connecting rods 3004 are in contact with the long side inclined surface of the trapezoidal block 3003. When the trapezoidal block 3003 moves downward, the connecting rods 3004 move along its inclined surface. Since the connecting rods 3004 and the splints 3001 are both slidably connected to the inner wall of the connecting block 301, they can only move horizontally. Therefore, the movement of the trapezoidal block 3003 can drive the two groups of connecting rods 3004 and the splints 3001 to move toward the middle. The two groups of splints 3001 clamp the protrusions 7 to increase friction, further fix the position of the cross plate 4, and enhance the fixing effect of the cross plate 4.

[0050] like Figure 2 and Figure 3 As shown, the two ends of the support rod 202 are hinged to the outer wall of the rotating rod 203 and the base 201 respectively, the rotating rod 203 is hinged to the outer wall of the slider 204, and a slot 5 is provided on the outer wall of the bottom rod 9; the limiting assembly includes an insert block 206, which is elastically connected to the inner wall of the slider 204 through a return spring 205, the insert block 206 is engaged with the slot 5, and the insert block 206 is slidably connected to the inner wall of the slider 204; one end of the return spring 205 is fixedly connected to the inner wall of the slider 204, and the other end of the return spring 205 is fixedly connected to the outer wall of the insert block 206.

[0051] Adopting the above solution: the slider 204 can slide up and down on the outer wall of the bottom rod 9, and the slot 5 is provided with two groups of upper and lower ones. When the slider 204 moves to the insertion block 206 and engages with the upper slot 5, the rotating rod 203 and the supporting rod 202 are both in a vertical state, fitting the outer wall of the bottom rod 9, reducing the occupied space and facilitating carrying and transportation. Figure 2 When the slider 204 is inserted into the block 206 and the lower slot 5, the rotating rod 203 and the support rod 202 can be flipped and unfolded, and the support rod 202 contacts the ground, thereby increasing the contact area to improve the stability of the bottom rod 9 and the column 1.

[0052] like Figure 3 As shown, under normal circumstances, the return spring 205 can keep the insert block 206 engaged with the slot 5 due to its own elastic force. The insert block 206 passes through the outer wall of the slider 204. By pulling the insert block 206 to disengage it from the slot 5, the limit of the slider 204 can be released and it can be moved up and down.

[0053] like Figure 8 As shown, one end of the compression spring 802 is fixedly connected to the outer wall of the limit block 803, and the other end of the compression spring 802 is fixedly connected to the inner wall of the bottom rod 9, and the limit block 803 is slidably connected to the inner wall of the bottom rod 9; a limit groove 10 is provided on the outer wall of the column 1, and an inclined surface is provided on the inner wall of the ring 801, and the limit block 803 is slidably connected to the inclined surface.

[0054] The above solution is adopted: two groups of compression springs 802 and limit blocks 803 are provided, which are symmetrically distributed on the inner walls of both sides of the bottom rod 9. The limit blocks 803 pass through the outer wall of the bottom rod 9, and one end is slidably connected to the inclined surface of the inner wall of the ring 801; under normal circumstances, due to the elastic force of the compression spring 802, the limit blocks 803 can be engaged with a group of limit grooves 10. There are multiple groups of limit grooves 10, which are vertically distributed on the outer wall of the column 1; when the ground is uneven, it is necessary to adjust the combined length of the column 1 and the bottom rod 9 to ensure When the horizontal plate 4 is in a horizontal state, the ring 801 can be rotated, and the limit block 803 slides inside the bottom rod 9, thereby moving along the inclined surface and moving to both sides to disengage from the limit groove 10, so that the bottom rod 9 can be moved up and down, and the total length of it and the column 1 can be adjusted. After the adjustment is completed, the limit block 803 pops out under the elastic force of the compressed spring 802 and engages with another set of limit grooves 10 for fixation. The operation is relatively convenient, and the horizontal state of the horizontal plate 4 can be maintained even on uneven ground.

[0055] The working principle and use process of the present invention:

[0056] In the initial state, the slider 204 is in the position where the insert block 206 is engaged with the upper slot 5, and the rotating rod 203 and the support rod 202 are both in a vertical state, fitting against the outer wall of the bottom rod 9, which can reduce the space occupied during transportation; when assembling, the bottom rod 9 can be placed on the ground first, the insert block 206 can be pulled outward, and the slider 204 can be moved downward to the position where the insert block 206 is engaged with the lower slot 5, and the insert block 206 can be released so that it can automatically fit into the lower slot 5 under the action of the return spring 205; in this process, the rotating rod 203 and the support rod 202 are flipped and unfolded, and the support rod 202 contacts the ground to increase the stability of the bottom rod 9 and the column 1; according to this step, the support mechanisms on all the bottom rods 9 are unfolded.

[0057] Then place the cross plate 4 downward on the fixing block 302 on the connecting block 301, so that the grooves 6 at the four corners of the cross plate 4 are aligned with the wedges 303 on the inner walls on both sides of the fixing block 302. The wedges 303 are automatically snapped into the grooves 6 under the action of the connecting springs 304, and the cross plate 4 is initially fixed; at the same time, the protrusions 7 on the outer wall of the cross plate 4 will be inserted downward into the inner wall of the connecting block 301 and contact the top outer wall of the trapezoidal block 3003. As the cross plate 4 is placed in place, the protrusions 7 exert downward pressure on the trapezoidal block 3003, causing the trapezoidal block 3003 to move downward, and the two sets of connecting rods 3004 and the splints 3001 will move toward the middle. Finally, the two sets of splints 3001 clamp the protrusions 7, further fixing the position of the cross plate 4 and strengthening the fixing effect.

[0058] After the installation of the horizontal board 4 is completed, if the ground is uneven, you can first determine the height direction and approximate adjustment amount of the combination of the column 1 and the bottom rod 9 that need to be adjusted, then hold the ring 801 and rotate it. As the ring 801 rotates, the limit block 803 will move to both sides along the inclined surface, thereby disengaging from the currently engaged limit groove 10. At this time, the bottom rod 9 can move up and down on the outer wall of the column 1; according to the height of the ground, move the bottom rod 9 up and down to adjust the combined length of the column 1 and the bottom rod 9 to ensure that the horizontal board 4 is in a horizontal state; when the bottom rod 9 moves to the appropriate position, stop rotating the ring 801. At this time, under the elastic force of the compression spring 802, the limit block 803 will pop out and be stuck in another set of limit grooves 10 corresponding to the outer wall of the column 1, re-fixing the relative position of the bottom rod 9 and the column 1 to complete the height adjustment.

[0059] At this point, the overall installation operation of the temporary support is completed, and the operator can stand on the horizontal plate 4 to perform related operations of the giant arch installation, such as high-altitude welding, bolt tightening, component installation, etc.

[0060] When the installation operation is completed and the temporary bracket needs to be disassembled, the cross plate 4 can be disassembled first; the dial block 306 is toggled, and the two sets of wedge blocks 303 are driven to move horizontally toward the middle through the hinge rod 305, so that the wedge blocks 303 are out of contact with the grooves 6 on the inner wall of the cross plate 4, and the limit of the cross plate 4 is released, and the cross plate 4 can be removed from the fixed block 302; then the plug block 206 on the inner wall of the slider 204 is pulled to disengage it from the lower slot 5, and the slider 204 is moved upward to the position where the plug block 206 is engaged with the upper slot 5, and the plug block 206 is released to make it automatically engage with the upper slot 5. At this time, the rotating rod 203 and the support rod 202 will automatically return to the vertical state, fit the outer wall of the bottom rod 9, and the overall disassembly is completed.

[0061] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0062] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A temporary support for installing a giant arch, comprising a column (1) and a horizontal plate (4), characterized in that: Also includes: A bottom rod (9), wherein the bottom rod (9) is slidably connected to the outer wall of the bottom end of the column (1); A connecting mechanism (3), wherein the connecting mechanism (3) is arranged on the outer wall of the column (1), and a clamping assembly is arranged on the inner wall thereof; A support mechanism (2), wherein the support mechanism (2) is arranged on the outer wall of the bottom rod (9); An adjusting mechanism (8), wherein the adjusting mechanism (8) is arranged on the outer wall of the bottom rod (9); The connecting mechanism (3) comprises a connecting block (301) fixedly connected to the outer wall of the column (1); the outer wall of the connecting block (301) is fixedly connected to a fixing block (302); and the inner wall of the fixing block (302) is provided with a fixing assembly; The support mechanism (2) comprises a base (201) fixedly connected to the outer wall of the bottom end of the bottom rod (9); the outer wall of the base (201) is hingedly connected to a rotating rod (203) via a support rod (202); the outer wall of the bottom rod (9) is slidably connected to a slider (204); and the inner wall of the slider (204) is provided with a limit assembly; The regulating mechanism (8) comprises a circular ring (801) rotatably connected to the outer wall of the bottom rod (9), and the inner wall of the bottom rod (9) is elastically connected to a limiting block (803) via a compression spring (802).

2. The temporary support for giant arch installation according to claim 1, characterized in that: The fixing assembly comprises two groups of wedge blocks (303), the two groups of wedge blocks (303) are elastically connected via a connecting spring (304), the outer walls of the wedge blocks (303) are hingedly connected to a shift block (306) via a hinge rod (305), and the inner wall of the transverse plate (4) is provided with a groove (6).

3. The temporary support for giant arch installation according to claim 2, characterized in that: The wedge block (303) is slidably connected to the inner wall of the fixed block (302), the two ends of the connecting spring (304) are respectively fixed to the outer walls of the two groups of wedge blocks (303), the two ends of the hinge rod (305) are respectively hinged to the outer walls of the shift block (306) and the wedge block (303), and the wedge block (303) is clamped with the groove (6).

4. The temporary support for giant arch installation according to claim 1, characterized in that: The clamping assembly comprises a clamping plate (3001), the outer wall of the bottom end of the clamping plate (3001) is fixedly connected to a connecting rod (3004), the inner wall of the connecting block (301) is elastically connected to a trapezoidal block (3003) via a telescopic spring (3002), and the outer wall of the transverse plate (4) is fixedly connected to a protrusion (7).

5. The temporary support for giant arch installation according to claim 4, characterized in that: The splint (3001) and the connecting rod (3004) are both slidably connected to the inner wall of the connecting block (301), one end of the telescopic spring (3002) is fixedly connected to the outer wall of the trapezoidal block (3003), the other end of the telescopic spring (3002) is fixedly connected to the inner wall of the connecting block (301), and the trapezoidal block (3003) is slidably connected to the inner wall of the connecting block (301).

6. The temporary support for giant arch installation according to claim 1, characterized in that: The two ends of the support rod (202) are respectively hinged to the rotating rod (203) and the outer wall of the base (201); the rotating rod (203) is hinged to the outer wall of the slider (204); and a slot (5) is provided on the outer wall of the bottom rod (9).

7. The temporary support for installing a giant arch according to claim 1, characterized in that: The limiting assembly includes an insert block (206), the insert block (206) is elastically connected to the inner wall of the slider (204) through a return spring (205), the insert block (206) is engaged with the card slot (5), and the insert block (206) is slidably connected to the inner wall of the slider (204).

8. The temporary support for installing a giant arch according to claim 7, characterized in that: One end of the return spring (205) is fixedly connected to the inner wall of the slider (204), and the other end of the return spring (205) is fixedly connected to the outer wall of the insert block (206).

9. The temporary support for giant arch installation according to claim 1, characterized in that: One end of the compression spring (802) is fixedly connected to the outer wall of the limit block (803), the other end of the compression spring (802) is fixedly connected to the inner wall of the bottom rod (9), and the limit block (803) is slidably connected to the inner wall of the bottom rod (9).

10. The temporary support for installing a giant arch according to claim 9, characterized in that: The outer wall of the column (1) is provided with a limiting groove (10), the inner wall of the ring (801) is provided with an inclined surface, and the limiting block (803) is slidably connected to the inclined surface.

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