Safety protection supporting platform for municipal engineering construction and using method thereof

Abstract

The invention belongs to the technical field of engineering construction, and discloses a safety protection supporting platform for municipal engineering construction and a using method thereof.The safety protection supporting platform comprises a bottom plate, universal wheels are fixed to the bottom end of the bottom plate, a positioning mechanism is installed at the top end of the bottom plate, a lifting mechanism is fixed to the top end of the bottom plate, and a top plate is fixed to the top end of the lifting mechanism; a connecting mechanism is arranged outside the top plate, a limiting mechanism is installed at one end of the connecting mechanism, the positioning mechanism comprises a positioning box, a first connecting rod and a magnetic block, the positioning box is fixed to the top end of the bottom plate, the first connecting rod is slidably connected into the positioning box, and the magnetic block is fixed to the outer portion of the first connecting rod; through cooperation of the positioning box, the first connecting rod, the magnetic block and other structures, the device can quickly pre-fix the two sets of devices through magnetic attraction, so that the connecting child part is stably inserted into the connecting mother part, and the stability of subsequent connection of the two sets of devices is guaranteed.

Description

Technical Field

[0001] The present invention belongs to the technical field of engineering construction, and in particular relates to a safety protection support platform for municipal engineering construction and a method for using the platform. Background Art

[0002] In the process of municipal engineering construction, safety protection support platforms are key facilities to ensure the safety of construction workers and maintain the smooth progress of the project. At present, there are many types of safety protection support platforms on the market, each playing an important role, but also exposing a series of problems that need to be solved urgently.

[0003] Publication No. CN117090376A discloses a safety protection support platform for municipal engineering construction, which relates to the field of machinery and includes an operating platform. The operating platform is provided with guardrails, and telescopic adjustment rod groups are rotatably connected on both sides of the operating platform. The ends of the telescopic adjustment rod groups are provided with anti-slip pads, and at least two of the anti-slip pads are against the ground or wall. The telescopic adjustment rod group that is telescopically adjustable and the end fixing mechanism can be used to achieve a fixed connection between the operating platform and the wall, support column, etc., to prevent the platform from shaking, and solve the technical defects in the prior art that the platform has poor safety protection effect on workers, the contact area between the bottom of the platform and the ground is small, which easily causes the platform to fall over and cause injuries to the workers on the top of the platform. In addition, this design can be improved and applied on existing equipment, with low modification cost and good effect, and can be promoted and applied on a large scale.

[0004] However, when this device is in use, the range of the construction platform at the top is limited. When it is necessary to test a long project at the same height, multiple groups of construction platforms need to be set up in parallel. However, the fixing mechanism at the bottom of the existing construction platform will take up space, resulting in an excessively long distance between the two groups of construction platforms, which makes it easy for accidents to occur when the workers on the two groups of construction platforms interact. Summary of the Invention

[0005] In order to solve the problems raised in the above background technology, the present invention provides a safety protection support platform for municipal engineering construction and a method for using the same.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a safety protection support platform for municipal engineering construction, comprising a base plate, a universal wheel fixed to the bottom end of the base plate, a positioning mechanism installed at the top end of the base plate, a lifting mechanism fixed to the top end of the base plate, a top plate fixed to the top end of the lifting mechanism, a connecting mechanism provided on the outside of the top plate, and a limiting mechanism installed at one end of the connecting mechanism; The positioning mechanism includes a positioning box, a first connecting rod and a magnetic block. The positioning box is fixed to the top of the bottom plate. The first connecting rod is slidably connected to the interior of the positioning box. The magnetic block is fixed to the exterior of the first connecting rod. The lifting mechanism includes a first support base, a first connecting rod and a first connecting block, wherein the first support base is fixed to the top end of the base plate, the first connecting rod is hingedly connected to the interior of the first support base, the first connecting block is slidably connected to the interior of the first support base, and the second connecting rod is hingedly connected to the exterior of the first connecting block; The connecting mechanism includes a connecting sub-component and a connecting female component. The connecting sub-component is fixed on one side of the top plate, and the connecting female component is fixed on the other side of the top plate.

[0007] Preferably, the outer sleeve of the first connecting rod is provided with a first return spring, the positioning boxes are provided in two groups, the positioning boxes are symmetrically distributed about the central axis of the base plate, the first connecting rod and the first return spring are provided in two groups, and are symmetrically distributed about the central axis of the positioning boxes. The first return spring is used to squeeze the magnetic block and keep it moving inward.

[0008] Preferably, the top end of the second connecting rod is hinged to the first support block, a servo motor is fixed to the outside of the first support block, a screw is fixed to the rotating end of the servo motor, the external thread of the screw is connected to the second support block, the external part of the first support block is hinged to the third connecting rod, the top end of the third connecting rod is hinged to the second connecting block, the external part of the second connecting block is slidably connected to the second support seat, and the internal part of the second support seat is hinged to the fourth connecting rod.

[0009] Preferably, the top end of the first connecting rod is hinged to a second supporting block, and the outside of the second supporting block is hinged to a fourth connecting rod.

[0010] Preferably, the outside of the top plate is slidably connected to a second connecting rod, the outside of the second connecting rod is installed with a second return spring, the outside of the second connecting rod is fixed with a support rod, and the bottom end of the support rod is fixed with a limit plate.

[0011] Preferably, a slot is provided at one end of the connecting sub-component and the connecting mother component, the width of the limit plate is equal to the width of the slot, two groups of second connecting rods are provided, and the second connecting rods are symmetrically distributed about the central axis of the top plate, and the second return spring is used to squeeze the second connecting rod and keep it moving upward.

[0012] Preferably, the limiting mechanism includes a mounting seat, a first limiting rod and a first support plate, the mounting seat is fixed to the top of the top plate, the top of the mounting seat is fixed with a first limiting rod, the top of the first limiting rod is fixed with a first support plate, the outer sleeve of the first limiting rod is provided with a second support plate, the bottom end of the support rod is fixed with a limiting seat, the inner movably connected to the second limiting rod of the limiting seat, the outer sleeve of the second limiting rod is provided with a third return spring, and the outer part of the second limiting rod is fixed with a limiting block.

[0013] Preferably, two groups of mounting seats are provided, and the mounting seats are symmetrically distributed about the central axis of the top plate. The diameter of the first support plate is smaller than the diameter of the second support plate, and the second support plate is slidably connected to the first limiting rod.

[0014] Preferably, the second limiting rod and the limiting seat are slidably connected, two groups of the second limiting rods are provided, and the second limiting rods are symmetrically distributed about the central axis of the limiting seat. The third return spring is used to squeeze the second limiting rod and keep it moving inward.

[0015] The present invention also provides a method for using a safety protection support platform for municipal engineering construction, comprising the following steps: S1. When the device is needed to be used for construction of municipal engineering, a worker stands on the top plate and starts the servo motor. The servo motor drives the screw to rotate, so that the position of the second support block moves, thereby changing the angles between the first connecting rod, the second connecting rod, the third connecting rod, and the fourth connecting rod. The second support seat is lifted by the changed angles, so that the worker can rise from the ground to the construction height; S2. When multiple workers are required to perform construction at the same height, multiple sets of devices are taken out, and the positioning box on the right side of the first set is aligned with the positioning box on the left side of the second set, so that the two sets of devices are attracted by the magnetic blocks inside the positioning boxes, thereby pre-fixing the two sets of devices. After the two sets of devices are aligned by the magnetic blocks, the connecting sub-assembly is also synchronously inserted into the interior of the connecting mother assembly. When the two sets of devices are separated, the first return spring quickly returns the magnetic block to its original position through its own restoring force; S3. After the connecting sub-assembly is inserted into the connecting mother assembly, the support rod is pressed downward so that the limit plate is stuck in the connecting sub-assembly and the connecting mother assembly. At this time, the limit seat moves downward close to the mounting seat so that the limit block contacts the first support plate. The limit block contracts inward due to its own shape when it contacts the first support plate. After the limit block passes through the first support plate, the third return spring resets the limit block so that the limit block is located at the bottom end of the first support plate, and then the limit seat and the support rod are limited by the first support plate, so that the limit plate is stably inserted between the connecting sub-assembly and the connecting mother assembly, thereby expanding the construction activity range of the staff; S4. When it is necessary to separate multiple connected devices, continue to press the support rod so that the limit block continues to move downward, so that the limit block contacts the second support plate. The limit block contracts inward due to its own shape when contacting the second support plate, and after the limit block passes the second support plate, the third return spring resets the limit block. At this time, the limit block lifts the second support plate so that the top end of the second support plate fits the bottom end of the first support plate. At this time, the second connecting rod and the support rod are pulled upward by the restoring force of the second return spring, thereby separating the mounting seat and the limit seat, and detaching the limit plate from the connection between the connecting sub-component and the connecting mother component, thereby completing the separation of the two groups of devices.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention cooperates with structures such as a positioning box, a first connecting rod, and a magnetic block, so that the device can quickly pre-fix two groups of devices through magnetic attraction, so that the connecting sub-component can be stably inserted into the interior of the connecting mother component, thereby ensuring the stability of the subsequent connection between the two groups of devices.

[0017] The present invention arranges the coordination of the connecting sub-component, the connecting mother component, the second connecting rod and other structures, so that the device can be inserted into the connecting sub-component and the connecting mother component through the limiting plate to connect the two groups of devices, thereby expanding the construction area of ​​the staff and improving the construction efficiency.

[0018] The present invention cooperates with structures such as a mounting seat, a first limiting rod, and a first supporting plate so that when the device installs the limiting plate into the connecting sub-component and the connecting mother component, the first supporting plate limits the limiting seat, thereby fixing the position of the limiting plate. When removing, continue pressing to complete the quick removal, thereby improving the efficiency of connecting multiple groups of devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall connection state structure of the present invention; Figure 3 This is a schematic diagram of the overall connection structure of the present invention from the right side; Figure 4 It is a schematic structural diagram of the lifting mechanism of the present invention; Figure 5 It is a schematic structural diagram of the positioning mechanism of the present invention; Figure 6 It is a schematic structural diagram of the connecting mechanism of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure of the local section at point A in the middle.

[0020] In the figure: 1, bottom plate; 2, universal wheel; 3, positioning mechanism; 301, positioning box; 302, first connecting rod; 303, magnetic block; 304, first return spring; 4, lifting mechanism; 401, first support base; 402, first connecting rod; 403, first connecting block; 404, second connecting rod; 405, first supporting block; 406, servo motor; 407, screw; 408, second supporting block; 409, third connecting rod; 410, second connecting block; 411, Second supporting seat; 412, fourth connecting rod; 5, top plate; 6, connecting mechanism; 601, connecting sub-component; 602, connecting mother component; 603, second connecting rod; 604, second return spring; 605, supporting rod; 606, limiting plate; 7, limiting mechanism; 701, mounting seat; 702, first limiting rod; 703, first supporting plate; 704, second supporting plate; 705, limiting seat; 706, second limiting rod; 707, third return spring; 708, limiting block. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figures 1 to 7 As shown, the present invention provides a safety protection support platform for municipal engineering construction, including a base plate 1, a universal wheel 2 is fixed to the bottom end of the base plate 1, a positioning mechanism 3 is installed on the top of the base plate 1, a lifting mechanism 4 is fixed to the top of the base plate 1, a top plate 5 is fixed to the top of the lifting mechanism 4, a connecting mechanism 6 is provided on the outside of the top plate 5, and a limiting mechanism 7 is installed at one end of the connecting mechanism 6.

[0023] like Figures 1 to 5 As shown, the positioning mechanism 3 includes a positioning box 301, a first connecting rod 302 and a magnetic block 303. The positioning box 301 is fixed at the top of the base plate 1. The interior of the positioning box 301 is slidably connected to the first connecting rod 302. The outside of the first connecting rod 302 is fixed with the magnetic block 303. The outside of the first connecting rod 302 is provided with a first return spring 304. The positioning box 301 is provided with two groups. The positioning boxes 301 are symmetrically distributed about the central axis of the base plate 1. The first connecting rod 302 and the first return spring 304 are provided with two groups symmetrically distributed about the central axis of the positioning box 301. The first return spring 304 is used to squeeze the magnetic block 303 and keep it moving inward.

[0024] The above solution is adopted: the two sets of devices are positioned by adsorption of the two sets of magnetic blocks 303, so that the connecting sub-component 601 is stably inserted into the connecting female component 602, and after separation, it is quickly reset by using the restoring force of the first reset spring 304.

[0025] like Figures 1 to 4 As shown, the lifting mechanism 4 includes a first support base 401, a first connecting rod 402 and a first connecting block 403. The first support base 401 is fixed to the top of the base plate 1. The first connecting rod 402 is hinged inside the first support base 401. The first connecting block 403 is slidably connected inside the first support base 401. The second connecting rod 404 is hinged outside the first connecting block 403. The top of the second connecting rod 404 is hinged to the first support block 405. The servo motor 406 is fixed to the outside of the first support block 405. The servo motor 406 is fixed to the outside of the servo motor 406. 06 is fixed with a screw rod 407 at its rotating end, and the external thread of the screw rod 407 is connected to the second support block 408, the external part of the first support block 405 is hinged with a third connecting rod 409, the top end of the third connecting rod 409 is hinged with a second connecting block 410, the external sliding part of the second connecting block 410 is connected to a second support seat 411, the internal part of the second support seat 411 is hinged with a fourth connecting rod 412, the top end of the first connecting rod 402 is hinged with the second support block 408, and the external part of the second support block 408 is hinged with the fourth connecting rod 412.

[0026] The above solution is adopted: by starting the servo motor 406, the servo motor 406 drives the screw 407 to rotate, so that the position of the second support block 408 is moved, and then the angles between the first connecting rod 402, the second connecting rod 404, the third connecting rod 409 and the fourth connecting rod 412 are changed, so that the second support seat 411 is lifted up by the changed angle, so that the workers can be lifted from the ground to the construction height, and the top plate 5 can prevent workers from falling through the guard plates set on both sides.

[0027] like Figures 1 to 7 As shown, the connecting mechanism 6 includes a connecting sub-component 601 and a connecting mother component 602, the connecting sub-component 601 is fixed on one side of the top plate 5, and the connecting mother component 602 is fixed on the other side of the top plate 5, and the outside of the top plate 5 is slidably connected to the second connecting rod 603, and the outside of the second connecting rod 603 is installed with a second return spring 604, and the outside of the second connecting rod 603 is fixed with a support rod 605, and the bottom end of the support rod 605 is fixed with a limit plate 606, and one end of the connecting sub-component 601 and the connecting mother component 602 is provided with a slot, and the width of the limit plate 606 is equal to the width of the slot, and two groups of second connecting rods 603 are provided, and the second connecting rods 603 are symmetrically distributed about the central axis of the top plate 5, and the second return spring 604 is used to squeeze the second connecting rod 603 and keep it moving upward.

[0028] The above solution is adopted: after inserting the connecting sub-component 601 into the connecting mother component 602, the support rod 605 is pressed downward so that the limiting plate 606 is inserted into the connecting sub-component 601 and the connecting mother component 602 and fixed, thereby connecting the two sets of devices to expand the construction area.

[0029] like Figures 1 to 7 As shown, the limiting mechanism 7 includes a mounting seat 701, a first limiting rod 702 and a first support plate 703. The mounting seat 701 is fixed to the top of the top plate 5. The top of the mounting seat 701 is fixed with a first limiting rod 702, the top of the first limiting rod 702 is fixed with a first support plate 703, the outer sleeve of the first limiting rod 702 is provided with a second support plate 704, and the mounting seat 701 is provided with two groups. The mounting seats 701 are symmetrically distributed about the central axis of the top plate 5. The diameter of the first support plate 703 is smaller than the diameter of the second support plate 704, and the second support plate 704 and the first limiting rod 702 are slidably connected.

[0030] like Figures 1 to 7 As shown, the bottom end of the support rod 605 is fixed with a limiting seat 705, and the internal movably connected to the limiting seat 705 is provided with a second limiting rod 706, the external sleeve of the second limiting rod 706 is provided with a third return spring 707, the external fixed limiting block 708 of the second limiting rod 706, the second limiting rod 706 and the limiting seat 705 are slidingly connected, and the second limiting rod 706 is provided with two groups, and the second limiting rods 706 are symmetrically distributed about the central axis of the limiting seat 705, and the third return spring 707 is used to squeeze the second limiting rod 706 and keep it moving inward.

[0031] The above solution is adopted: the limit seat 705 is moved downwardly towards the mounting seat 701, so that the limit block 708 contacts the first support plate 703. The limit block 708 contracts inward due to its own shape when contacting the first support plate 703, and after the limit block 708 passes through the first support plate 703, the third reset spring 707 resets the limit block 708 so that the limit block 708 is located at the bottom end of the first support plate 703, and then the limit seat 705 and the support rod 605 are limited by the first support plate 703. When removing, press again to complete the quick removal. When connecting, the user can put a set of protective pads on the support rod 605 to prevent the staff from accidentally touching it.

[0032] The present invention also provides a method for using a safety protection support platform for municipal engineering construction, comprising the following steps: S1. When the device is needed to be used for construction of a municipal project, a worker stands on the top plate 5 and starts the servo motor 406. The servo motor 406 drives the screw 407 to rotate, so that the position of the second support block 408 is moved, thereby changing the angles among the first connecting rod 402, the second connecting rod 404, the third connecting rod 409 and the fourth connecting rod 412. The second support base 411 is lifted up by the changed angles, so that the worker can rise from the ground to the construction height. S2. When multiple workers are required to perform construction at the same construction height, multiple sets of devices are taken out, and the positioning box 301 on the right side of the first set is aligned with the positioning box 301 on the left side of the second set, so that the two sets of devices are attracted by the magnetic blocks 303 inside the positioning boxes 301, thereby pre-fixing the two sets of devices. After the two sets of devices are aligned by the magnetic blocks 303, the connecting sub-component 601 is also synchronously inserted into the connecting female component 602. When the two sets of devices are separated, the first return spring 304 quickly returns the magnetic block 303 to its original position through its own restoring force; S3. After the connecting sub-component 601 is inserted into the connecting mother component 602, the support rod 605 is pressed downward so that the limit plate 606 is stuck in the connecting sub-component 601 and the connecting mother component 602. At this time, the limit seat 705 moves downward close to the mounting seat 701, so that the limit block 708 contacts the first support plate 703. The limit block 708 contracts inward due to its own shape when contacting the first support plate 703. After the limit block 708 passes the first support plate 703, the third return spring 707 resets the limit block 708 so that the limit block 708 is located at the bottom end of the first support plate 703, and then the limit seat 705 and the support rod 605 are limited by the first support plate 703, so that the limit plate 606 is stably inserted between the connecting sub-component 601 and the connecting mother component 602, so that the construction activity range of the staff is expanded; When the second support plate 704 is in contact with the second support plate 704, the third return spring 707 resets the limit block 708. At this time, the limit block 708 lifts the second support plate 704 so that the top of the second support plate 704 fits the bottom of the first support plate 703. At this time, the second connecting rod 603 and the support rod 605 are pulled upward by the restoring force of the second return spring 604, thereby separating the mounting seat 701 and the limit seat 705, and disconnecting the limit plate 606 from the connection between the connecting sub-component 601 and the connecting mother component 602, thereby completing the separation of the two groups of devices.

[0033] 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.

[0034] 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 safety protection support platform for municipal engineering construction, comprising a base plate (1), characterized in that: A universal wheel (2) is fixed to the bottom end of the bottom plate (1), a positioning mechanism (3) is installed on the top end of the bottom plate (1), a lifting mechanism (4) is fixed to the top end of the bottom plate (1), a top plate (5) is fixed to the top end of the lifting mechanism (4), a connecting mechanism (6) is provided on the outside of the top plate (5), and a limiting mechanism (7) is installed on one end of the connecting mechanism (6); The positioning mechanism (3) comprises a positioning box (301), a first connecting rod (302) and a magnetic block (303); the positioning box (301) is fixed to the top of the bottom plate (1); the interior of the positioning box (301) is slidably connected to the first connecting rod (302); and the exterior of the first connecting rod (302) is fixed with the magnetic block (303); The lifting mechanism (4) comprises a first support seat (401), a first connecting rod (402) and a first connecting block (403); the first support seat (401) is fixed to the top of the base plate (1); the first connecting rod (402) is hingedly connected to the interior of the first support seat (401); the first connecting block (403) is slidably connected to the interior of the first support seat (401); and the second connecting rod (404) is hingedly connected to the exterior of the first connecting block (403); The connecting mechanism (6) comprises a connecting sub-component (601) and a connecting female component (602), wherein the connecting sub-component (601) is fixed on one side of the top plate (5), and the connecting female component (602) is fixed on the other side of the top plate (5).

2. The safety protection support platform for municipal engineering construction according to claim 1 is characterized in that: The first connecting rod (302) is provided with a first return spring (304) on the outside, and the positioning box (301) is provided with two groups. The positioning box (301) is symmetrically distributed about the central axis of the bottom plate (1). The first connecting rod (302) and the first return spring (304) are provided with two groups that are symmetrically distributed about the central axis of the positioning box (301). The first return spring (304) is used to squeeze the magnetic block (303) and keep it moving inward.

3. The safety protection support platform for municipal engineering construction according to claim 1 is characterized in that: The top end of the second connecting rod (404) is hinged to the first support block (405), the outside of the first support block (405) is fixed with a servo motor (406), the rotating end of the servo motor (406) is fixed with a screw rod (407), the external thread of the screw rod (407) is connected to the second support block (408), the outside of the first support block (405) is hinged to the third connecting rod (409), the top end of the third connecting rod (409) is hinged to the second connecting block (410), the outside of the second connecting block (410) is slidably connected to the second support seat (411), and the inside of the second support seat (411) is hinged to the fourth connecting rod (412).

4. The safety protection support platform for municipal engineering construction according to claim 3 is characterized by: The top end of the first connecting rod (402) is hinged to a second support block (408), and the outside of the second support block (408) is hinged to a fourth connecting rod (412).

5. The safety protection support platform for municipal engineering construction according to claim 1 is characterized in that: The outside of the top plate (5) is slidably connected to a second connecting rod (603), the outside of the second connecting rod (603) is installed with a second return spring (604), the outside of the second connecting rod (603) is fixed with a support rod (605), and the bottom end of the support rod (605) is fixed with a limit plate (606).

6. The safety protection support platform for municipal engineering construction according to claim 5 is characterized in that: A slot is provided at one end of the connecting sub-component (601) and the connecting mother component (602); the width of the limiting plate (606) is equal to the width of the slot; two groups of second connecting rods (603) are provided; the second connecting rods (603) are symmetrically distributed about the central axis of the top plate (5); and the second return spring (604) is used to squeeze the second connecting rod (603) and keep it moving upward.

7. The safety protection support platform for municipal engineering construction according to claim 5 is characterized in that: The limiting mechanism (7) comprises a mounting seat (701), a first limiting rod (702) and a first supporting plate (703), wherein the mounting seat (701) is fixed to the top of the top plate (5), the first limiting rod (702) is fixed to the top of the mounting seat (701), the first supporting plate (703) is fixed to the top of the first limiting rod (702), the second supporting plate (704) is sleeved on the outside of the first limiting rod (702), the limiting seat (705) is fixed to the bottom end of the support rod (605), the limiting seat (705) is movably connected to the inside of the limiting seat (705), the third return spring (707) is sleeved on the outside of the second limiting rod (706), and the limiting block (708) is fixed on the outside of the second limiting rod (706).

8. The safety protection support platform for municipal engineering construction according to claim 7 is characterized in that: Two groups of mounting seats (701) are provided. The mounting seats (701) are symmetrically distributed about the central axis of the top plate (5). The diameter of the first supporting plate (703) is smaller than the diameter of the second supporting plate (704). The second supporting plate (704) is slidably connected to the first limiting rod (702).

9. The safety protection support platform for municipal engineering construction according to claim 7, characterized in that: The second limiting rod (706) is slidably connected to the limiting seat (705), and two groups of the second limiting rods (706) are provided. The second limiting rods (706) are symmetrically distributed about the central axis of the limiting seat (705). The third return spring (707) is used to squeeze the second limiting rod (706) and keep it moving inward.

10. A method for using a safety protection support platform for municipal engineering construction, using a safety protection support platform for municipal engineering construction according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. When the device is needed to be used for construction of a municipal project, a worker stands on the top plate (5) and starts the servo motor (406). The servo motor (406) drives the screw (407) to rotate, so that the position of the second support block (408) is moved, thereby changing the angle between the first connecting rod (402), the second connecting rod (404), the third connecting rod (409) and the fourth connecting rod (412). The second support seat (411) is lifted by the changed angle, so that the worker can rise from the ground to the construction height; S2. When multiple workers are required to perform construction at the same construction height, multiple sets of devices are taken out, and the positioning box (301) on the right side of the first set is aligned with the positioning box (301) on the left side of the second set, so that the two sets of devices are adsorbed by the magnetic block (303) inside the positioning box (301), thereby pre-fixing the two sets of devices. After the two sets of devices are aligned by the magnetic block (303), the connecting sub-component (601) is also synchronously inserted into the interior of the connecting mother component (602), and when the two sets of devices are separated, the first return spring (304) quickly returns the magnetic block (303) to its original position by its own restoring force; S3. After the connecting sub-component (601) is inserted into the connecting mother component (602), the support rod (605) is pressed downward so that the limit plate (606) is inserted into the connecting sub-component (601) and the connecting mother component (602). At this time, the limit seat (705) moves downward close to the mounting seat (701) so that the limit block (708) contacts the first support plate (703). The limit block (708) contracts inward when it contacts the first support plate (703) due to its own shape and is in the limit position. After the block (708) passes through the first support plate (703), the third reset spring (707) resets the limit block (708), so that the limit block (708) is located at the bottom end of the first support plate (703), and then the limit seat (705) and the support rod (605) are limited by the first support plate (703), so that the limit plate (606) is stably inserted between the connecting sub-component (601) and the connecting mother component (602), so that the construction activity range of the staff is expanded; S4. When it is necessary to separate the multiple connected devices, the support rod (605) is continuously pressed to make the limit block (708) continue to move downward, so that the limit block (708) contacts the second support plate (704). The limit block (708) contracts inwards due to its own shape when it contacts the second support plate (704). After the limit block (708) passes through the second support plate (704), the third reset spring (707) resets the limit block (708). At this time, the limit block (708) is 8) Lift the second support plate (704) so ​​that the top of the second support plate (704) fits into contact with the bottom of the first support plate (703). At this time, the second connecting rod (603) and the support rod (605) are pulled upward by the restoring force of the second return spring (604), thereby separating the mounting seat (701) and the limiting seat (705), and detaching the limiting plate (606) from the connection with the connecting sub-component (601) and the connecting mother component (602), thereby completing the separation of the two groups of devices.

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