CN216362231U - Novel building engineering supports device - Google Patents

Abstract

The utility model discloses a novel building engineering supporting device which comprises a first square pipe, a second square pipe and a third square pipe, wherein a first movable pipe is movably connected inside each of two ends of the first square pipe, a second movable pipe is movably connected inside each of two ends of the second square pipe, a third movable pipe is movably connected inside each of two ends of the third square pipe, connecting parts are fixedly connected to the lower surface of one end, the lower surface of one end of one of the second movable pipes and the lower surface of one end of one of the third movable pipes, which are far away from each other, of the first movable pipes, the middle part of the upper surface of the second square pipe and the middle part of the upper surface of the third square pipe. According to the novel building engineering supporting device, the first square tube, the second square tube, the third square tube, the first movable tube, the second movable tube, the third movable tube and the limiting part are matched, so that the laying distance of electric wires can be adjusted.

Description

Novel building engineering supports device

Technical Field

The utility model relates to the field of construction equipment, in particular to a novel constructional engineering supporting device.

Background

During building construction, various electric tools are needed, and when the electric tool is used, a wire needs to be pulled to supply power to the tool.

The power supply mode of acting as go-between at present all is direct put the electric wire on the ground, need frequently pull the electric wire during use, can cause the damage to the electric wire like this, also can cause the electric shock accident, also has the stick to build the support and supports the electric wire, but builds fairly simplely, and stability is not high, the removal of the electric wire of being not convenient for, and the security is also not high, therefore we have provided a novel building engineering strutting arrangement.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a novel building engineering supporting device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a novel building engineering supporting device comprises a first square pipe, a second square pipe and a third square pipe, wherein a first movable pipe is movably connected inside each of two ends of the first square pipe, a second movable pipe is movably connected inside each of two ends of the second square pipe, a third movable pipe is movably connected inside each of two ends of the third square pipe, a lower surface of one end of one of the second movable pipes and a lower surface of one end of one of the third movable pipes, which are away from each other, of the first movable pipes are fixedly connected with a connecting part, damping ball seats are fixedly connected in the middle of the upper surface of the first square pipe, in the middle of the upper surface of the second square pipe, in the middle of the upper surface of the third square pipe, in the middle of the upper surfaces of two ends of the two second movable pipes and in the middle of the upper surfaces of two ends of the two third movable pipes, and damping ball seats are rotatably connected inside the top ends of the damping ball seats, and the damping bulb keeps away from the one end of damping ball seat and passes through the flexible part of connecting rod fixedly connected with, the top fixedly connected with of flexible part accomodates the part, the equal fixedly connected with stop part in the middle part of the both ends upper surface middle part of a side's pipe, the both ends upper surface middle part of No. two side's pipes and the both ends upper surface middle part of No. three side's pipes sets up like this and can stimulate a movable tube, No. two movable tubes and No. three movable tubes and adjust the distance between each accomodate the part to carry on spacingly through stop part, make the position of flexible part and accomodate the part obtain the change, thereby make the route of laying of electric wire obtain changing.

The device is further improved in that the size of the first square tube, the size of the second square tube and the size of the third square tube are equal, the length of the first movable tube, the length of the second movable tube and the length of the third movable tube are equal, a plurality of limiting holes distributed at equal intervals are formed in the middle of the upper surface of the first movable tube, the middle of the upper surface of the second movable tube and the middle of the upper surface of the third movable tube, and the limiting holes correspond to limiting parts, so that the device is convenient to assemble and use.

The connecting component comprises a concave frame and an arc-shaped plate, the arc-shaped plate is fixedly connected to one side of the bottom end of the concave frame, a through hole is formed in the middle of the arc-shaped plate, the through holes of the two corresponding arc-shaped plates are opposite and fixedly installed through bolts, and therefore the angle among the first square pipe, the second square pipe and the third square pipe can be flexibly changed conveniently.

The telescopic component comprises a movable cylinder and a movable rod, the bottom of the movable cylinder is fixedly connected with a connecting rod, the movable rod is movably connected inside the top end of the movable cylinder, one side of the top end of the movable cylinder is in threaded connection with a fixed bolt, one side of the movable rod is sequentially provided with threaded holes matched with the fixed bolt from top to bottom, and the fixed bolt is in threaded connection inside the threaded holes, so that the movable rod can stretch in the movable cylinder and is fixed through the fixed bolt, and the height of the containing component is convenient to adjust.

The utility model is further improved in that the accommodating part comprises an accommodating frame and a cover plate, the bottom of the accommodating frame is fixedly connected with the top of the movable rod, the cover plate is hinged to one side of the top end of the accommodating frame, one end, far away from the hinged point, of the cover plate is connected with the other side of the top end of the accommodating frame through a buckle, and therefore the arranged electric wires can be sequentially accommodated in the accommodating frame and are clamped with the accommodating frame through the cover plate to complete limiting, and the electric wires are prevented from contacting the ground.

The utility model is further improved in that the limiting component comprises a mounting box, a limiting rod, a circular block, an annular plate and a return spring, the circular block is arranged above the mounting box and is in contact with the upper surface of the mounting box, the top of the limiting rod is fixedly connected to the bottom of the circular block, the bottom of the limiting rod sequentially penetrates through the mounting box and a first square tube and extends to the inside of a limiting hole, the limiting rod is matched with the limiting hole, the inner wall of the annular plate is fixedly connected with the outer wall of one end, located inside the mounting box, of the limiting rod, the outer wall of the annular plate is in sliding connection with the inner wall of the mounting box, the limiting rod is in sliding connection with the first square tube and the limiting hole, the return spring is sleeved outside one end, located inside the mounting box, of the limiting rod, and two ends of the return spring are respectively fixedly connected with the inner top wall of the mounting box and the annular plate, set up like this through the pulling circular block, the circular block drives the gag lever post upward movement, makes the gag lever post break away from spacing hole, and the gag lever post drives annular slab upward movement and extrudees reset spring simultaneously to make No. one movable tube, No. two movable tubes and No. three movable tubes lose spacingly, be convenient for adjust the distance that the electric wire was laid.

The utility model discloses a further improvement lies in, the one end both sides that No. two side's pipe was kept away from to the both sides middle part of a side's pipe bottom, No. two other movable tubes and the equal fixedly connected with otic placode in one end both sides that No. three side's pipe was kept away from to No. three other movable tubes, the lower fixed surface of otic placode installs from the locking-type universal wheel, sets up like this and can support and remove the device from the locking-type universal wheel.

Compared with the prior art, the utility model has the following beneficial effects:

1. the first square pipe, the second square pipe, the third square pipe, the first movable pipe, the second movable pipe, the third movable pipe and the limiting part are matched, the circular block drives the limiting rod to move upwards by pulling the circular block, so that the limiting rod is separated from the limiting hole, the limiting rod drives the annular plate to move upwards and extrude the reset spring, and therefore the first movable pipe, the second movable pipe and the third movable pipe lose limiting, the first movable pipe is connected inside the first square pipe in a sliding mode, the second movable pipe is connected on the inner wall of the second square pipe in a movable mode, the third movable pipe is connected inside the third square pipe in a sliding mode, the limiting rod can enter the corresponding limiting hole by loosening the circular block under the action of the reset spring to complete limiting, and meanwhile, one end, far away from each other, of the two first movable pipes is connected with one of the second movable pipes and one of the third movable pipes through the connecting part, the length of the device can be flexibly changed, and the trend of the device can be changed through the connecting part, so that the trend of the wire can be flexibly changed.

2. Through the damping ball seat that sets up, the damping bulb, telescopic part and storage part's cooperation is used, the damping bulb can rotate on the damping ball seat and drive a movable cylinder through the connecting rod, movable rod and storage part rotate, the movable rod can stretch out and draw back in the movable cylinder and fix through the gim peg, the electric wire can be accomodate in accomodating the frame and accomplish spacingly through apron and accomodating the frame block simultaneously, thereby make the electric wire of accomodating after spacing can carry out the nimble change of angle and height, avoid electric wire and ground to take place the friction.

Drawings

Fig. 1 is a schematic overall structure diagram of a novel constructional engineering supporting device.

Fig. 2 is an enlarged schematic structural view of a part a in fig. 1 of the novel constructional engineering support device of the utility model.

Fig. 3 is an enlarged structural schematic diagram of a novel constructional engineering support device shown in fig. 1 at the position B.

Fig. 4 is a schematic cross-sectional view at C in fig. 1 of a novel constructional engineering supporting device according to the present invention.

In the figure: 1. a first square tube; 101. a first movable tube; 102. a limiting hole; 2. a second square tube; 201. a second movable tube; 3. a third square tube; 301. a third movable tube; 4. a female frame; 401. an arc-shaped plate; 5. a damping ball seat; 501. a damping ball head; 6. a movable barrel; 601. a movable rod; 602. a threaded hole; 603. a fixing bolt; 7. a storage frame; 701. a cover plate; 8. mounting a box; 801. a limiting rod; 802. a circular block; 803. an annular plate; 804. a return spring; 9. an ear plate; 901. self-locking universal wheel.

Detailed Description

In order to make the technical means, the original characteristics, the achieved objects and the functions of the present invention easy to understand, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus not be construed as limiting the present invention. Furthermore, the terms "a," "an," "two," and "three" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The utility model will be further illustrated with reference to specific embodiments.

Example 1

As shown in FIGS. 1-4, a novel supporting device for construction engineering comprises a first square tube 1, a second square tube 2 and a third square tube 3, wherein a first movable tube 101 is movably connected inside each of two ends of the first square tube 1, a second movable tube 201 is movably connected inside each of two ends of the second square tube 2, a third movable tube 301 is movably connected inside each of two ends of the third square tube 3, lower surfaces of one ends of the two first movable tubes 101, lower surfaces of one end of one of the second movable tubes 201 and lower surfaces of one end of one of the third movable tubes 301, a damping ball seat 5 is fixedly connected to the middle part of the upper surface of the first square tube 1, the middle part of the upper surface of the second square tube 2, the middle part of the upper surface of the third square tube 3, the middle parts of the upper surfaces of two ends of the two second movable tubes 201 and the middle parts of the upper surfaces of two ends of the two third movable tubes 301, a damping ball head 501 is rotatably connected inside each of the top end of the damping ball seat 5, one end of the damping ball head 501, which is far away from the damping ball seat 5, is fixedly connected with a telescopic part through a connecting rod, the top end of the telescopic part is fixedly connected with an accommodating part, and the middle parts of the upper surfaces of the two ends of the first square pipe 1, the middle parts of the upper surfaces of the two ends of the second square pipe 2 and the middle parts of the upper surfaces of the two ends of the third square pipe 3 are fixedly connected with limiting parts; the size of the first square tube 1, the size of the second square tube 2 and the size of the third square tube 3 are equal, the length of the first movable tube 101, the length of the second movable tube 201 and the length of the third movable tube 301 are equal, a plurality of limiting holes 102 which are distributed at equal intervals are formed in the middle of the upper surface of the first movable tube 101, the middle of the upper surface of the second movable tube 201 and the middle of the upper surface of the third movable tube 301, and the limiting holes 102 correspond to limiting parts; the connecting part comprises a concave frame 4 and arc plates 401, the arc plates 401 are fixedly connected to one side of the bottom end of the concave frame 4, through holes are formed in the middle of the arc plates 401, and the through holes of the two corresponding arc plates 401 are opposite and fixedly installed through bolts; the limiting component comprises a mounting box 8, a limiting rod 801, a circular block 802, an annular plate 803 and a return spring 804, wherein the circular block 802 is arranged above the mounting box 8, and the circular block 802 contacts with the upper surface of the mounting box 8, the top of the limiting rod 801 is fixedly connected with the bottom of the circular block 802, the bottom of the limiting rod 801 penetrates through the mounting box 8 and the first square tube 1 in sequence and extends to the inside of the limiting hole 102, the limiting rod 801 is matched with the limiting hole 102, the inner wall of the annular plate 803 is fixedly connected with the outer wall of one end, located in the mounting box 8, of the limiting rod 801, the outer wall of the annular plate 803 is connected with the inner wall of the mounting box 8 in a sliding way, the limiting rod 801 is connected with the first square tube 1 and the limiting hole 102 in a sliding way, the reset spring 804 is sleeved at the outer side of one end of the limiting rod 801 positioned in the mounting box 8, and two ends of the return spring 804 are respectively fixedly connected with the inner top wall of the mounting box 8 and the annular plate 803.

The embodiment can realize that: through the matching of the first square tube 1, the second square tube 2, the third square tube 3, the first movable tube 101, the second movable tube 201, the third movable tube 301 and the limiting part, the corresponding round block 802 is pulled, the round block 802 drives the limiting rod 801 to move upwards, so that the limiting rod 801 is separated from the limiting hole 102, meanwhile, the limiting rod 801 drives the annular plate 803 to move upwards and extrude the reset spring 804, so that the first movable tube 101, the second movable tube 201 and the third movable tube 301 lose the limiting position, the first movable tube 101 is connected inside the first square tube 1 in a sliding manner, the second movable tube 201 is connected on the inner wall of the second square tube 2 in a movable manner, the third movable tube 301 is connected inside the third square tube 3 in a sliding manner, the first movable tube 101, the second movable tube 201 and the third movable tube 301 are pulled to adjust the distance between the containing parts, the limiting rod 801 can enter the corresponding limiting hole 102 under the action of the reset spring 804 by loosening the round block 802, accomplish spacingly, the one end that two movable tubes 101 kept away from each other simultaneously is connected through adapting unit with one of them No. two movable tubes 201 and one of them No. three movable tubes 301, sets up like this and not only can change the length of the device in a flexible way, can change the trend of the device through adapting unit moreover to change the trend of electric wire in a flexible way.

Example 2

As shown in FIGS. 1-4, a novel supporting device for construction engineering comprises a first square tube 1, a second square tube 2 and a third square tube 3, wherein a first movable tube 101 is movably connected inside each of two ends of the first square tube 1, a second movable tube 201 is movably connected inside each of two ends of the second square tube 2, a third movable tube 301 is movably connected inside each of two ends of the third square tube 3, lower surfaces of one ends of the two first movable tubes 101, lower surfaces of one end of one of the second movable tubes 201 and lower surfaces of one end of one of the third movable tubes 301, a damping ball seat 5 is fixedly connected to the middle part of the upper surface of the first square tube 1, the middle part of the upper surface of the second square tube 2, the middle part of the upper surface of the third square tube 3, the middle parts of the upper surfaces of two ends of the two second movable tubes 201 and the middle parts of the upper surfaces of two ends of the two third movable tubes 301, a damping ball head 501 is rotatably connected inside each of the top end of the damping ball seat 5, one end of the damping ball head 501, which is far away from the damping ball seat 5, is fixedly connected with a telescopic part through a connecting rod, the top end of the telescopic part is fixedly connected with an accommodating part, and the middle parts of the upper surfaces of the two ends of the first square pipe 1, the middle parts of the upper surfaces of the two ends of the second square pipe 2 and the middle parts of the upper surfaces of the two ends of the third square pipe 3 are fixedly connected with limiting parts; the size of the first square tube 1, the size of the second square tube 2 and the size of the third square tube 3 are equal, the length of the first movable tube 101, the length of the second movable tube 201 and the length of the third movable tube 301 are equal, a plurality of limiting holes 102 which are distributed at equal intervals are formed in the middle of the upper surface of the first movable tube 101, the middle of the upper surface of the second movable tube 201 and the middle of the upper surface of the third movable tube 301, and the limiting holes 102 correspond to limiting parts; the connecting part comprises a concave frame 4 and arc plates 401, the arc plates 401 are fixedly connected to one side of the bottom end of the concave frame 4, through holes are formed in the middle of the arc plates 401, and the through holes of the two corresponding arc plates 401 are opposite and fixedly installed through bolts; the telescopic component comprises a movable cylinder 6 and a movable rod 601, the bottom of the movable cylinder 6 is fixedly connected with the connecting rod, the movable rod 601 is movably connected inside the top end of the movable cylinder 6, one side of the top end of the movable cylinder 6 is in threaded connection with a fixed bolt 603, one side of the movable rod 601 is sequentially provided with a threaded hole 602 matched with the fixed bolt 603 from top to bottom, and the fixed bolt 603 is in threaded connection inside the threaded hole 602; the containing component comprises a containing frame 7 and a cover plate 701, the bottom of the containing frame 7 is fixedly connected with the top of the movable rod 601, the cover plate 701 is hinged to one side of the top end of the containing frame 7, and one end, far away from a hinge point, of the cover plate 701 is connected with the other side of the top end of the containing frame 7 through a buckle; the limiting component comprises a mounting box 8, a limiting rod 801, a circular block 802, an annular plate 803 and a return spring 804, wherein the circular block 802 is arranged above the mounting box 8, and the circular block 802 contacts with the upper surface of the mounting box 8, the top of the limiting rod 801 is fixedly connected with the bottom of the circular block 802, the bottom of the limiting rod 801 penetrates through the mounting box 8 and the first square tube 1 in sequence and extends to the inside of the limiting hole 102, the limiting rod 801 is matched with the limiting hole 102, the inner wall of the annular plate 803 is fixedly connected with the outer wall of one end, located in the mounting box 8, of the limiting rod 801, the outer wall of the annular plate 803 is connected with the inner wall of the mounting box 8 in a sliding way, the limiting rod 801 is connected with the first square tube 1 and the limiting hole 102 in a sliding way, the reset spring 804 is sleeved at the outer side of one end of the limiting rod 801 positioned in the mounting box 8, two ends of the return spring 804 are respectively fixedly connected with the inner top wall of the mounting box 8 and the annular plate 803; the two sides middle part of 1 bottom in a side pipe, the one end both sides that No. two square pipes 2 were kept away from to another two movable tube 201 and the equal fixedly connected with otic placode 9 in the one end both sides that No. three square pipes 3 were kept away from to another three movable tube 301, and the lower fixed surface of otic placode 9 installs from locking-type universal wheel 901.

The embodiment can realize that: through the damping ball seat 5 that sets up, damping bulb 501, telescopic part and storage part's cooperation is used, damping bulb 501 can rotate and drive a movable cylinder 6 through the connecting rod on damping ball seat 5, movable rod 601 and storage part rotate, movable rod 601 can stretch out and draw back and fix through gim peg 603 in a movable cylinder 6, it is spacing that the electric wire can be accomodate in accomodating frame 7 and through apron 701 and accomodating frame 7 block completion simultaneously, thereby make the electric wire of accomodating after spacing can carry out the nimble change of angle and height, avoid electric wire and ground to take place the friction.

It should be noted that, when the novel building engineering supporting device is used, the device is moved to a proper position through the self-locking universal wheel 901, then the corresponding round block 802 is pulled according to needs, the round block 802 drives the limiting rod 801 to move upwards, so that the limiting rod 801 is separated from the limiting hole 102, meanwhile, the limiting rod 801 drives the annular plate 803 to move upwards and extrude the reset spring 804, so that the first movable pipe 101, the second movable pipe 201 and the third movable pipe 301 lose the limiting position, the first movable pipe 101 is connected inside the first square pipe 1 in a sliding manner, the second movable pipe 201 is movably connected on the inner wall of the second square pipe 2, the third movable pipe 301 is connected inside the third square pipe 3 in a sliding manner, the first movable pipe 101, the second movable pipe 201 and the third movable pipe 301 are pulled to adjust the distance between the containing components, the limiting rod 801 can enter the corresponding limiting hole 102 by loosening the round block 802 under the action of the reset spring 804, accomplish spacingly, then can unscrew the bolt on two arcs 401 as required, and promote No. two side's pipe 2 and No. three side's pipe 3, No. two side's pipe 2 and No. three side's pipe 3 drive the motion of self-locking-type universal wheel 901 under it, make No. two side's pipe 2 and No. three side's pipe 3 and No. one side's pipe 1 form different routes, it makes arcs 401 obtain spacingly screwing up the bolt, damping bulb 501 can rotate and drive a movable cylinder 6 through the connecting rod on damping ball seat 5, movable rod 601 and storage components rotate, movable rod 601 can stretch out and draw back in a movable cylinder 6 and fix through gim peg 603, the electric wire can be accomodate in accomodating frame 7 simultaneously and accomplish spacingly through apron 701 and accomodating frame 7 block, thereby make the electric wire of accomodating after spacing can carry out the nimble change of angle and height.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a novel building engineering supports device, includes a side pipe (1), No. two side pipes (2) and No. three side pipe (3), its characterized in that: the damping ball seat is characterized in that a first movable pipe (101) is movably connected inside two ends of a first square pipe (1), a second movable pipe (201) is movably connected inside two ends of a second square pipe (2), a third movable pipe (301) is movably connected inside two ends of a third square pipe (3), two lower surfaces of one ends, one lower surface of one second movable pipe (201) and one lower surface of one third movable pipe (301), which are far away from each other, of the first movable pipes (101), connecting parts are fixedly connected with the middle parts of the upper surfaces of the first square pipe (1), the middle parts of the upper surfaces of the second square pipe (2), the middle parts of the upper surfaces of the third square pipe (3), the middle parts of the upper surfaces of two second movable pipes (201) and the middle parts of the upper surfaces of two ends of the three movable pipes (301), damping ball seats (5) are fixedly connected with damping ball heads (501) in the inner top ends of the damping ball seats (5), and the one end that damping bulb (501) kept away from damping ball seat (5) passes through connecting rod fixedly connected with telescopic part, telescopic part's top fixedly connected with storage component, the equal fixedly connected with stop part in the middle part of the both ends upper surface of a square pipe (1), the both ends upper surface of a square pipe (2) middle part and the both ends upper surface of a square pipe (3) No. two.

2. The novel constructional engineering support device of claim 1, wherein: the size of a side's pipe (1), the size of No. two side's pipe (2) and the size of No. three side's pipe (3) all equal, the length of a movable tube (101), the length of No. two movable tubes (201) and the length of No. three movable tubes (301) all equal, a plurality of spacing holes (102) that are equidistant distribution are all seted up at the upper surface middle part of a movable tube (101), the upper surface middle part of No. two movable tubes (201) and the upper surface middle part of No. three movable tubes (301), spacing hole (102) are corresponding with stop part.

3. The novel constructional engineering support device of claim 1, wherein: the connecting part comprises a concave frame (4) and arc plates (401), the arc plates (401) are fixedly connected to one side of the bottom end of the concave frame (4), through holes are formed in the middle of the arc plates (401), and the through holes of the two corresponding arc plates (401) are opposite and fixedly installed through bolts.

4. The novel constructional engineering support device of claim 1, wherein: the telescopic part comprises a movable cylinder (6) and a movable rod (601), the bottom of the movable cylinder (6) is fixedly connected with the connecting rod, the movable rod (601) is movably connected inside the top end of the movable cylinder (6), a fixing bolt (603) is connected to one side of the top end of the movable cylinder (6) in a threaded manner, one side of the movable rod (601) is provided with a threaded hole (602) matched with the fixing bolt (603) in sequence from top to bottom, and the fixing bolt (603) is connected to the inside of the threaded hole (602) in a threaded manner.

5. The novel constructional engineering support device of claim 1, wherein: the storage component comprises a storage frame (7) and a cover plate (701), the bottom of the storage frame (7) is fixedly connected with the top of the movable rod (601), the cover plate (701) is hinged to one side of the top end of the storage frame (7), and one end, far away from a hinge point, of the cover plate (701) is connected with the other side of the top end of the storage frame (7) through a buckle.

6. The novel constructional engineering support device of claim 1, wherein: the limiting component comprises a mounting box (8), a limiting rod (801), a round block (802), an annular plate (803) and a return spring (804), the round block (802) is arranged above the mounting box (8), the round block (802) is in contact with the upper surface of the mounting box (8), the top of the limiting rod (801) is fixedly connected to the bottom of the round block (802), the bottom of the limiting rod (801) sequentially penetrates through the mounting box (8) and the first square pipe (1) and extends into the limiting hole (102), the limiting rod (801) is matched with the limiting hole (102), the inner wall of the annular plate (803) is fixedly connected with the outer wall of one end, located inside the mounting box (8), of the limiting rod (801), and the outer wall of the annular plate (803) is in sliding connection with the inner wall of the mounting box (8), the limiting rod (801) is in sliding connection with the first square pipe (1) and the limiting hole (102), the reset spring (804) is sleeved at the outer side of one end, located inside the mounting box (8), of the limiting rod (801), and two ends of the reset spring (804) are fixedly connected with the inner top wall of the mounting box (8) and the annular plate (803) respectively.

7. The novel constructional engineering support device of claim 1, wherein: the utility model discloses a No. 3 square tube (1) is kept away from the one end both sides of No. 2 square tube and the equal fixedly connected with otic placode (9) in one end both sides that No. 3 square tube (3) was kept away from to the both sides middle part of a side pipe (1) bottom, another No. two movable tube (201), the lower fixed surface of otic placode (9) installs from locking-type universal wheel (901).

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