CN220016338U - Auxiliary installation device for pipeline construction - Google Patents

Abstract

The utility model discloses an auxiliary installation device for pipeline construction, which comprises a base box (1), universal wheels (3), a lifting table (9), a pipeline fixing component and a lifting component; the universal wheels (3) are respectively arranged at the bottom of the base box (1) at intervals, and each universal wheel (3) is provided with a locking pin; the lifting assembly is arranged in the base box (1), and a lifting end groove of the lifting assembly extends to the upper side of the base box (1) and is connected with the bottom of the lifting table (9), so that the lifting table (9) can be arranged above the base box (1) in a lifting manner; the lifting table (9) is of a planar plate-shaped structure, the pipeline fixing assembly is arranged on the lifting table (9), the pipeline body (4) is placed on the lifting table (9) and penetrates through the pipeline fixing assembly, and the pipeline body (4) can be fixed on the lifting table (9) through the pipeline fixing assembly. The utility model can solve the problems that the pipeline cannot be fixed and the movement and adjustment are inflexible in the pipeline installation in the prior art.

Description

Auxiliary installation device for pipeline construction

Technical Field

The utility model relates to pipeline installation equipment, in particular to an auxiliary installation device for pipeline construction.

Background

The pipeline is commonly used for the transmission of materials such as liquid, gas, solid particles in the construction, need fix the pipeline in the installation, and because the transmission path is longer, the pipeline is likely to need to be lengthened through modes such as welding, flange connection when installing. Along with the higher and higher requirements of material transmission and the more and more kinds of materials, the pipe diameter of the pipeline is also larger and larger, and the quality of the pipeline is also larger and larger, so that the installation difficulty of the pipeline is also increased.

The utility model patent application CN111331305A discloses a pipeline installation device for building construction, which comprises a fixed plate, wherein two sides of the top of the fixed plate are fixedly connected with adjusting mechanisms, and the top of each adjusting mechanism is provided with a pipeline. The device comprises a fixing plate, an adjusting mechanism, a fixing tube, a screw rod, a bearing, a supporting plate, a pipeline, a rotating mechanism, a fixing ring, a first fixing rod, a rubber ring, a supporting mechanism, a fixing block, a second fixing rod, a third fixing rod, a fourth fixing rod, a screw sleeve, a limiting ring and a rubber pad. The pipeline installation equipment cannot effectively fix a pipeline, the pipeline is easy to shake, deviate and the like in the pipeline installation process, the movement flexibility of the device is poor, the position cannot be flexibly adjusted according to the position error of the pipeline, and therefore the pipeline installation error is caused, and the installation quality and the service life of the pipeline are reduced. Therefore, it is necessary to provide an auxiliary installation device for pipeline construction, which can solve the problems that the pipeline cannot be fixed and moved and adjusted in the prior art.

Disclosure of Invention

The utility model aims to provide an auxiliary installation device for pipeline construction, which can solve the problems that a pipeline cannot be fixed and is inflexible in movement adjustment in the prior art.

The utility model is realized in the following way:

an auxiliary installation device for pipeline construction comprises a base box, universal wheels, a lifting table, a pipeline fixing component and a lifting component; the universal wheels are respectively arranged at the bottom of the base box at intervals, and each universal wheel is provided with a locking pin; the lifting assembly is arranged in the base box, and a lifting end groove of the lifting assembly extends to the upper side of the base box and is connected with the bottom of the lifting platform, so that the lifting platform can be arranged above the base box in a lifting manner; the elevating platform is planar plate structure, and pipeline fixed subassembly sets up on the elevating platform, and the pipeline body is shelved on the elevating platform and runs through pipeline fixed subassembly, and the pipeline body can be fixed on the elevating platform through pipeline fixed subassembly.

The pipeline fixing assembly comprises a limiting frame, a spin screw and a pipeline supporting plate; the pipeline supporting plate is fixedly arranged on the lifting table, and the pipeline supporting plate is of a strip-shaped structure with an arc-shaped section, so that the lower part of the pipeline body can be matched and embedded in the pipeline supporting plate; the limiting frame is fixedly arranged on the pipeline supporting plate, the limiting frame is of an inverted U-shaped structure, a pipeline placing channel is formed between the limiting frame and the pipeline supporting plate, and the pipeline body penetrates through the pipeline placing channel; screw holes are formed in the top plate of the limiting frame, so that the spin screw rod is screwed on the top plate of the limiting frame through the screw holes and is propped down against the top of the pipeline body.

The bottom both ends of pipeline backup pad be equipped with the supporting shoe respectively, the bottom of supporting shoe be planar structure and with elevating platform fixed connection, the top of supporting shoe is arc groove form structure and with the bottom fixed connection of pipeline backup pad.

The one end that spin screw be close to the pipeline body be equipped with the connecting block through the bearing frame, the bottom of connecting block is fixed to be equipped with spacing clamp plate, spacing clamp plate is the cambered surface structure and can laminate and compress tightly at the top of pipeline body.

The one side that spacing clamp plate towards the pipeline body be equipped with the protection pad, pipeline backup pad also is equipped with the protection pad towards the one side of pipeline body.

The top fixedly connected with gag lever post of spacing clamp plate, be formed with the through-hole on the roof of spacing, the upper end of gag lever post runs through the roof of spacing through the through-hole.

The lifting assembly comprises a transmission mechanism, a connecting rod, a bidirectional threaded rod and a screw block; the transmission structure is arranged in the base box, the transmission end of the transmission structure is in transmission connection with the middle part of the bidirectional threaded rod, two ends of the bidirectional threaded rod are respectively rotatably arranged in the base box, and the directions of threads on the bidirectional threaded rods on two sides of the transmission end of the transmission structure are opposite; the pair of screw blocks are respectively screwed on the bidirectional threaded rod in a threaded way, and are symmetrically positioned at two sides of the transmission end of the transmission structure; one end of each connecting rod is hinged to the corresponding screw block, a pair of sliding grooves are formed in the top plate of the base box, and the other end of each connecting rod penetrates through the top plate of the base box through the corresponding sliding groove and is hinged to the bottom of the lifting table.

The transmission mechanism comprises a driven gear roller, a stepping motor, a driving gear roller, a rack belt and a storage battery; the storage battery and the stepping motor are arranged in the base box, a control panel of the stepping motor is led out to the outer wall of the base box through a lead, and the control panel, the storage battery and the stepping motor are connected into a circuit loop; the output shaft of the stepping motor is fixedly connected with the driving gear roller coaxially, the driven gear roller is fixedly connected with the middle part of the bidirectional threaded rod coaxially, and the driven gear roller is connected with the driving gear roller through a rack belt in a latch meshing transmission manner.

The storage battery on be equipped with the mouth that charges, the mouth that charges runs through the lateral wall of base case and extends to the outside of base case.

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

1. the pipeline fixing assembly is arranged, so that the lower part of the pipeline body can be effectively supported and limited by the pipeline supporting plate with the cambered surface structure, and meanwhile, the limiting pressing plate with the cambered surface structure is tightly pressed on the upper part of the pipeline body by screwing in the spin screw, so that the stable arrangement of the pipeline body on the lifting table is ensured, the pipeline body is further reinforced by the arrangement of the anti-slip pad, the pipeline body is prevented from rotating and moving in the construction process, and the pipeline construction efficiency and quality are improved.

2. The utility model is provided with the universal wheels and the lifting assembly, so that the pipeline body fixed on the lifting table can realize horizontal movement through the universal wheels, can realize horizontal movement in any direction and distance, has high movement flexibility, and can be locked and positioned through the locking pin; the lifting assembly can realize the lifting function of the lifting platform through the rotation and the movement of the connecting rod under the forward or reverse rotation driving of the stepping motor, so that the lifting adjustment of the pipeline body is synchronously realized, the lifting stability is high, the lifting precision is controllable, and the improvement of the pipeline construction efficiency and quality is facilitated.

Drawings

FIG. 1 is a perspective view of the pipe construction auxiliary installation apparatus of the present utility model;

FIG. 2 is a side view of a pipe fixing assembly of the pipe construction auxiliary installation apparatus of the present utility model;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a cross-sectional view of a lifting assembly in the pipe construction auxiliary installation apparatus of the present utility model.

In the figure, 1, a base box; 2. a control panel; 3. a universal wheel; 4. a pipe body; 5. a limiting frame; 6. spinning the screw; 7. a duct support plate; 8. a support block; 9. a lifting table; 10. a limit rod; 11. a connecting block; 12. a bearing seat; 13. a limit pressing plate; 14. a protective pad; 15. a driven gear roller; 16. a connecting rod; 17. a two-way threaded rod; 18. a screw block; 19. a stepping motor; 20. a driving gear roller; 21. a rack belt; 22. a storage battery; 23. a charging port; 24. and a sliding groove.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples.

Referring to fig. 1, an auxiliary installation device for pipeline construction comprises a base box 1, universal wheels 3, a lifting table 9, a pipeline fixing assembly and a lifting assembly; the universal wheels 3 are respectively arranged at the bottom of the base box 1 at intervals, and each universal wheel 3 is provided with a locking pin; the lifting assembly is arranged in the base box 1, and the lifting end of the lifting assembly extends to the upper side of the base box 1 and is connected with the bottom of the lifting platform 9, so that the lifting platform 9 can be arranged above the base box 1 in a lifting manner; the lifting table 9 is of a planar plate-shaped structure, the pipeline fixing assembly is arranged on the lifting table 9, the pipeline body 4 is placed on the lifting table 9 and penetrates through the pipeline fixing assembly, and the pipeline body 4 can be fixed on the lifting table 9 through the pipeline fixing assembly.

The elevating platform 9 can be used to support and fix pipeline body 4 through the fixed subassembly of pipeline, realizes the lift regulation of elevating platform 9 simultaneously through the elevating assembly to adjust the height position of pipeline body 4, base case 1 accessible universal wheel 3 realizes the horizontal position adjustment of arbitrary direction, thereby adjusts the horizontal position of pipeline body 4, guarantees the coaxial butt joint of two adjacent pipeline bodies 4 through the regulation of height and horizontal position, in order to satisfy the requirement of construction such as installation, extension of pipeline body 4.

Preferably, the base box 1, the lifting table 9, the pipeline fixing component and the lifting component can be made of steel materials, the structural strength is high, stable and reliable support can be provided for the pipeline bodies 4 with various specifications, the pipeline bodies are not easy to deform and damage, the turnover use is convenient, and the service life is long. The base box 1 can adopt a cuboid structure, and the universal wheels 3 can be arranged in four, and are respectively positioned at four corners of the bottom of the base box 1.

Referring to fig. 1 and 2, the pipe fixing assembly includes a limiting frame 5, a spin screw 6 and a pipe supporting plate 7; the pipeline supporting plate 7 is fixedly arranged on the lifting table 9, and the pipeline supporting plate 7 is of a strip-shaped structure with an arc-shaped section, so that the lower part of the pipeline body 4 can be matched and embedded in the pipeline supporting plate 7; the limiting frame 5 is fixedly arranged on the pipeline supporting plate 7, the limiting frame 5 is of an inverted U-shaped structure, a pipeline placing channel is formed between the limiting frame 5 and the pipeline supporting plate 7, and the pipeline body 4 penetrates through the pipeline placing channel; screw holes are formed in the top plate of the limiting frame 5, and the spin screw 6 is screwed on the top plate of the limiting frame 5 through the screw holes and is propped down against the top of the pipeline body 4.

The pipeline body 4 is arranged on the pipeline supporting plate 7, and the cambered surface radius of the pipeline supporting plate can be consistent with the outer diameter of the pipeline body 4 or slightly larger than the outer diameter of the pipeline body 4, so that the pipeline body 4 is effectively supported. Through the spin screw 6 through the screw down rotation of the roof of screw thread relative spacing 5, make spin screw 6 down move to the top of top tight at pipeline body 4 to realize the fixed of pipeline body 4 on pipeline backup pad 7, prevent the skew and the rotation of pipeline body 4 in the in-process such as regulation, installation.

Referring to fig. 1 and 2, two ends of the bottom of the pipe support plate 7 are respectively provided with a support block 8, the bottom of the support block 8 is in a planar structure and is fixedly connected with the lifting table 9, and the top of the support block 8 is in an arc-shaped groove structure and is fixedly connected with the bottom of the pipe support plate 7.

The support blocks 8 are used for the connection of the pipe support plate 7 and the lifting table 9, and at the same time can also provide effective support for the pipe support plate 7 and the pipe body 4. Preferably, the pipeline supporting plate 7 and the supporting block 8 can be connected by adopting a bolt and the like, so that the pipeline supporting plate 7 with corresponding size can be conveniently replaced according to the pipeline bodies 4 with different pipe diameters.

Referring to fig. 3, a connecting block 11 is disposed at one end of the spin screw 6 near the pipe body 4 through a bearing seat 12, a limiting pressing plate 13 is fixedly disposed at the bottom of the connecting block 11, and the limiting pressing plate 13 is in a cambered surface structure and can be bonded and pressed on the top of the pipe body 4.

Through the setting of bearing frame 12, spin screw 6 can rotate relative connecting block 11 and spacing clamp plate 13, makes spacing clamp plate 13 do the oscilaltion to make spacing clamp plate 13 laminating down compress tightly on the upper surface of pipeline body 4. The circular arc diameter of the limiting pressing plate 13 can be selected according to the outer diameter of the pipeline body 4, and preferably, the circular arc diameter of the limiting pressing plate 13 is consistent with the outer diameter of the pipeline body 4 or slightly larger than the outer diameter of the pipeline body 4 so as to ensure that the limiting pressing plate has enough bonding area with the pipeline body 4 and achieve the purpose of pressing the pipeline body 4.

Referring to fig. 2 and 3, a protection pad 14 is disposed on a surface of the limiting pressing plate 13 facing the pipe body 4, and a protection pad 14 is disposed on a surface of the pipe supporting plate 7 facing the pipe body 4.

Preferably, the protection pad 14 can be made of rubber and other materials, has good anti-skid performance, and can ensure that the limiting pressing plate 13 and the pipeline supporting plate 7 are effectively clamped and fixed on the pipeline body 4. Meanwhile, the rubber material has certain deformation and buffering performance, and can play a certain role in protecting the pipeline body 4, so that the pipeline body 4 is prevented from being excessively extruded to cause deformation or surface scratch.

Referring to fig. 2, a limit rod 10 is fixedly connected to the top of the limit pressing plate 13, a through hole (not shown) is formed in the top plate of the limit frame 5, and the upper end of the limit rod 10 penetrates through the top plate of the limit frame 5 through the through hole.

Through the setting of gag lever post 10, gag lever post 10 goes up and down in step along with spacing clamp plate 13, and leads and spacing to the lift orbit of gag lever post 10 and spacing clamp plate 13 through the through-hole, prevents that gag lever post 10 and spacing clamp plate 13 from following spin screw 6 and rotating to make spacing clamp plate 13 can down laminate and compress tightly on the upper portion surface of pipeline body 4.

Referring to fig. 4, the lifting assembly includes a transmission mechanism, a connecting rod 16, a bidirectional threaded rod 17 and a screw block 18; the transmission structure is arranged in the base box 1, the transmission end of the transmission structure is in transmission connection with the middle part of the bidirectional threaded rod 17, two ends of the bidirectional threaded rod 17 are rotatably arranged in the base box 1 through rotating bearings respectively, and the directions of threads on the bidirectional threaded rods 17 on two sides of the transmission end of the transmission structure are opposite; the pair of screw blocks 18 are respectively screwed on the bidirectional threaded rod 17 in a threaded manner, and the pair of screw blocks 18 are symmetrically positioned at two sides of the transmission end of the transmission structure; one ends of the pair of connecting rods 16 are respectively hinged on the pair of screw blocks 18, a pair of sliding grooves 24 are formed on the top plate of the base box 1, the other ends of the pair of connecting rods 16 serve as lifting ends of a lifting assembly, and the other ends of the pair of connecting rods 16 respectively penetrate through the top plate of the base box 1 through the pair of sliding grooves 24 and are hinged with the bottom of the lifting table 9.

The transmission mechanism drives the bidirectional threaded rod 17 to rotate in the base box 1 through the rotating bearing, and as the directions of the two sections of threads of the bidirectional threaded rod 17 are opposite, when the bidirectional threaded rod 17 rotates, the pair of screw blocks 18 do linear motion which are close to or far from each other on the two sections of threads of the bidirectional threaded rod 17. The connecting rod 16 is hinged between the lifting platform 9 and the screw block 18, under the limit of the chute 24, the screw block 18 and the connecting rod 16 are guaranteed not to rotate along with the bidirectional threaded rod 17, and meanwhile the connecting rod 16 can move along with the screw block 18, so that the lifting function of the lifting platform 9 is realized by utilizing the rotation height change of the connecting rod 16.

Preferably, the lifting components can be arranged in two groups to ensure stable support and height adjustment of the lifting table 9, thereby ensuring lifting adjustment stability of the pipeline body 4, and the number of the lifting components can be appropriately increased or decreased according to the pipe diameter and the weight of the pipeline body 4.

Referring to fig. 4, the transmission mechanism includes a driven gear roller 15, a stepping motor 19, a driving gear roller 20, a rack belt 21 and a storage battery 22; the storage battery 22 and the stepping motor 19 are arranged in the base box 1, the control panel 2 of the stepping motor 19 is led out to the outer wall of the base box 1 through a wire, and the control panel 2, the storage battery 22 and the stepping motor 19 are connected into a circuit loop; the output shaft of the stepping motor 19 is coaxially and fixedly connected with the driving gear roller 20, the driven gear roller 15 is used as a transmission end of a transmission structure, the driven gear roller 15 is coaxially and fixedly connected with the middle part of the bidirectional threaded rod 17, and the driven gear roller 15 and the driving gear roller 20 are in meshed transmission connection through a rack belt 21 by a latch.

Preferably, the stepper motor 19 may be a small motor having forward and reverse rotation functions as in the prior art. Control keys such as a start button, a close button, a forward rotation button, a reverse rotation button and a rotation speed adjusting button of the stepping motor 19 are integrated on the control panel 2, the control panel 2 is embedded on the outer wall of the base box 1 through lead out, the operation is convenient, and the start and stop and the rotation of the stepping motor 19 are convenient to control.

The step motor 19 drives the driving gear roller 20 to synchronously rotate forwards or reversely, the driving gear roller 20 drives the rack belt 21 to drive forwards or reversely through the meshed latch, so that the rack belt 21 drives the driven gear roller 15 to synchronously rotate forwards or reversely along with the driving gear roller 20 through the meshed latch, and the driven gear roller 15 drives the bidirectional threaded rod 17 to rotate forwards or reversely, so that the lifting and lowering control of the lifting table 9 is realized.

Referring to fig. 4, the battery 22 is provided with a charging port 23, and the charging port 23 penetrates through the sidewall of the base case 1 and extends to the outside of the base case 1.

Preferably, the storage battery 22 can be a lithium battery in the prior art, and can be used for providing working power for the stepper motor 19 and charging the stepper motor through the charging port 23 and an external power supply.

Referring to fig. 1 to 4, the application method and the working principle of the utility model are as follows:

the base box 1 is moved to the lower part of the pipeline installation position through the universal wheel 3, and the universal wheel 3 is locked through the locking pin, so that the stable arrangement of the utility model is kept.

The pipeline body 4 penetrates through the pipeline placing channel and is placed on the pipeline supporting plate 7 in a mode of matching with manual operation through the lifting equipment, and the pipeline body 4 is kept to be stably placed through matching and attaching of the arc-shaped pipeline supporting plate 7 and the protection pad 14 thereof to the lower part of the outer wall of the pipeline body 4. By arranging two groups of the utility model, two pipeline supporting plates 7 are respectively supported below two ends of the pipeline body 4, so that the erection stability of the pipeline body 4 is ensured.

The spin screw 6 is rotated downwards through the screw hole, the limit pressing plate 13 is limited by the limit rod 10 and cannot rotate, the rotation of the spin screw 6 is converted into the lifting motion of the spin screw 6 along the axial direction through threads, and the spin screw 6 rotates relative to the connecting block 11 and the limit pressing plate 13 through the bearing seat 12. The limiting pressing plate 13 moves downwards along with the spin screw 6 and presses the top of the pipeline body 4, the limiting pressing plate 13 with an arc surface structure is attached to the upper portion of the pipeline body 4, and an anti-slip effect is achieved through the protection pad 14, so that the pipeline body 4 is fixed between the limiting pressing plate 13 and the pipeline supporting plate 7, and rotation and movement of the pipeline body 4 are limited.

The two pipeline bodies 4 are oppositely arranged at one ends to be connected, if the heights of the two pipeline bodies 4 are inconsistent, the stepping motor 19 can be controlled to rotate forward or reversely through the control panel 2, so that the driven gear roller 15 is driven to rotate through the driving gear roller 20 through the rack belt 21, and the bidirectional threaded rod 17 synchronously rotates along with the driven gear roller 15. Since the pair of connecting rods 16 are limited by the sliding groove 24 and cannot rotate, the rotation of the bidirectional threaded rod 17 is converted into linear motion of the pair of screw blocks 18 along the axial direction of the bidirectional threaded rod 17 at two sides of the driven gear roller 15 through threads.

Along with the movement of the pair of screw blocks 18, the pair of connecting rods 16 rotate and move between the screw blocks 18 and the lifting table 9 to lift or lower the lifting table 9 upwards, so that the height of the pipeline body 4 is adjusted.

If the axial directions of the two pipeline bodies 4 are not aligned, the locking pins can be pulled out, the horizontal positions of the two pipeline bodies 4 are adjusted through the universal wheels 3, the two pipeline bodies 4 are ensured to be coaxially arranged, and the universal wheels 3 are locked through the locking pins, so that the installation construction of the pipeline bodies 4 can be carried out.

The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.

Claims (9)

1. An auxiliary installation device for pipeline construction, which is characterized in that: comprises a base box (1), universal wheels (3), a lifting table (9), a pipeline fixing component and a lifting component; the universal wheels (3) are respectively arranged at the bottom of the base box (1) at intervals, and each universal wheel (3) is provided with a locking pin; the lifting assembly is arranged in the base box (1), and a lifting end groove of the lifting assembly extends to the upper side of the base box (1) and is connected with the bottom of the lifting table (9), so that the lifting table (9) can be arranged above the base box (1) in a lifting manner; the lifting table (9) is of a planar plate-shaped structure, the pipeline fixing assembly is arranged on the lifting table (9), the pipeline body (4) is placed on the lifting table (9) and penetrates through the pipeline fixing assembly, and the pipeline body (4) can be fixed on the lifting table (9) through the pipeline fixing assembly.

2. The pipe construction auxiliary installation device according to claim 1, wherein: the pipeline fixing assembly comprises a limiting frame (5), a spin screw (6) and a pipeline supporting plate (7); the pipeline supporting plate (7) is fixedly arranged on the lifting table (9), and the pipeline supporting plate (7) is of a strip-shaped structure with an arc-shaped section, so that the lower part of the pipeline body (4) can be matched and embedded in the pipeline supporting plate (7); the limiting frame (5) is fixedly arranged on the pipeline supporting plate (7), the limiting frame (5) is of an inverted U-shaped structure and forms a pipeline placing channel with the pipeline supporting plate (7), and the pipeline body (4) penetrates through the pipeline placing channel; screw holes are formed in the top plate of the limiting frame (5), and the spin screw rod (6) is screwed on the top plate of the limiting frame (5) through the screw holes and is propped down against the top of the pipeline body (4).

3. The pipe construction auxiliary installation device according to claim 2, wherein: the bottom both ends of pipeline backup pad (7) be equipped with supporting shoe (8) respectively, the bottom of supporting shoe (8) be planar structure and with elevating platform (9) fixed connection, the top of supporting shoe (8) is arc slot form structure and with the bottom fixed connection of pipeline backup pad (7).

4. The pipe construction auxiliary installation device according to claim 2, wherein: one end of spin screw rod (6) be close to pipeline body (4) be equipped with connecting block (11) through bearing frame (12), the bottom of connecting block (11) is fixed to be equipped with spacing clamp plate (13), spacing clamp plate (13) are the cambered surface structure and can laminate and compress tightly at the top of pipeline body (4).

5. The auxiliary installation device for pipeline construction according to claim 4, wherein: one surface of the limiting pressing plate (13) facing the pipeline body (4) is provided with a protection pad (14), and one surface of the pipeline supporting plate (7) facing the pipeline body (4) is also provided with the protection pad (14).

6. The pipe construction auxiliary installation device according to claim 4 or 5, characterized in that: the top of the limiting pressing plate (13) is fixedly connected with a limiting rod (10), a through hole is formed in the top plate of the limiting frame (5), and the upper end of the limiting rod (10) penetrates through the top plate of the limiting frame (5) through the through hole.

7. The pipe construction auxiliary installation device according to claim 1, wherein: the lifting assembly comprises a transmission mechanism, a connecting rod (16), a bidirectional threaded rod (17) and a threaded block (18); the transmission structure is arranged in the base box (1), the transmission end of the transmission structure is in transmission connection with the middle part of the bidirectional threaded rod (17), two ends of the bidirectional threaded rod (17) are respectively rotatably arranged in the base box (1), and the directions of threads on the bidirectional threaded rods (17) at two sides of the transmission end of the transmission structure are opposite; the pair of screw blocks (18) are respectively screwed on the bidirectional threaded rod (17) in a threaded manner, and the pair of screw blocks (18) are symmetrically positioned at two sides of the transmission end of the transmission structure; one ends of a pair of connecting rods (16) are respectively hinged on a pair of screw blocks (18), a pair of sliding grooves (24) are formed in the top plate of the base box (1), and the other ends of the pair of connecting rods (16) respectively penetrate through the top plate of the base box (1) through the pair of sliding grooves (24) and are hinged with the bottom of the lifting table (9).

8. The pipe construction auxiliary installation device according to claim 7, wherein: the transmission mechanism comprises a driven gear roller (15), a stepping motor (19), a driving gear roller (20), a rack belt (21) and a storage battery (22); the storage battery (22) and the stepping motor (19) are arranged in the base box (1), the control panel (2) of the stepping motor (19) is led out to the outer wall of the base box (1) through a lead, and the control panel (2), the storage battery (22) and the stepping motor (19) are connected into a circuit loop; an output shaft of the stepping motor (19) is coaxially and fixedly connected with the driving gear roller (20), the driven gear roller (15) is coaxially and fixedly connected with the middle part of the bidirectional threaded rod (17), and the driven gear roller (15) is in meshed transmission connection with the driving gear roller (20) through a rack belt (21) through a latch.

9. The pipe construction auxiliary installation device according to claim 8, wherein: the storage battery (22) is provided with a charging port (23), and the charging port (23) penetrates through the side wall of the base box (1) and extends to the outer side of the base box (1).