On-site marker post for constructional engineering management

Abstract

The utility model discloses an on-site marker post for constructional engineering management, which comprises a main body assembly, a vertical rod, an open groove, a pointed cone, a marker post body, scale marks, a clamping hole and a protective piece, the marker post body is arranged at the top end of the vertical rod, and the clamping hole is formed in the top of the vertical rod and the marker post body; the mounting assembly is arranged on the outer side of the vertical rod and comprises a clamping base, an assembling part, a disassembling part and an adjusting part. The beneficial effects of the utility model are that through the arrangement of the vertical rods, the marker posts can be installed and can be inserted into the ground to fix the marker posts, through the arrangement of the protection parts, the vertical rods can be protected and prevented from being damaged when the vertical rods are knocked, through the arrangement of the assembly parts and the disassembly parts, the three marker posts and the vertical rods can be conveniently assembled to adapt to measurement of different heights, and the measurement efficiency is improved. And when the marker post is fixed to the vertical rod through the clamping base, the carrying convenience can be improved, and the marker post can be adjusted to be in a vertical state through the arrangement of the adjusting piece and the cooperation of the infrared gradienter.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building pole, especially a field pole for construction engineering management. BACKGROUND

[0002] The engineering cost audit is generally to audit the cost of single or unit project, which is completed by cost engineers. The cost engineers use the measuring pole to measure the site during the engineering audit. The measuring pole is a kind of rod or scale with scale marks for measurement.

[0003] When the measuring pole is used, the staff needs to temporarily fix the pole at the specified location to be measured. In order to fix conveniently, the bottom of the pole is generally provided with a cone, which is convenient for the staff to knock the pole to insert the cone into the ground to fix the pole. However, the pole needs to be used frequently, and long-term knocking and fixing will cause damage or even damage to the pole, reducing the service life of the pole. In order to measure conveniently, the staff generally carries a long pole for on-site measurement to prevent the height of the pole from being insufficient to affect the measurement work. However, the long pole is troublesome to carry and occupies a lot of space. At the same time, the pole needs to be in a vertical state during measurement. The existing pole is inconvenient to adjust the angle of the pole during installation, and the pole not in the vertical state may cause errors in the measurement data. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above and / or existing problems in the field pole for construction engineering management, the utility model is proposed.

[0006] Therefore, the problem to be solved by the utility model is that when the measuring pole is used, the staff needs to temporarily fix the pole at the specified location to be measured. In order to fix conveniently, the bottom of the pole is generally provided with a cone, which is convenient for the staff to knock the pole to insert the cone into the ground to fix the pole. However, the pole needs to be used frequently, and long-term knocking and fixing will cause damage or even damage to the pole, reducing the service life of the pole. In order to measure conveniently, the staff generally carries a long pole for on-site measurement to prevent the height of the pole from being insufficient to affect the measurement work. However, the long pole is troublesome to carry and occupies a lot of space. At the same time, the pole needs to be in a vertical state during measurement. The existing pole is inconvenient to adjust the angle of the pole during installation, and the pole not in the vertical state may cause errors in the measurement data.

[0007] To solve the above technical problems, the utility model provides technical scheme as follows: A construction engineering management on -the -spot marker post, its including main part assembly, including vertical pole, slot, sharp cone, marker post body, scale line, card hole and protection piece, the slot is set up in the vertical pole outside, the sharp cone is fixed in the vertical pole bottom, the marker post body is located in the vertical pole top, the scale line is located in the marker post body outside, the card hole is set up in the vertical pole and marker post body top, the protection piece is located in the vertical pole top outside, installation component is located in the vertical pole outside, and it is including clamping seat, assembly spare, dismounting spare and adjusting part, the clamping seat is fixed in the vertical pole outside, the assembly spare is located in the vertical pole inside, the dismounting spare is located in the vertical pole and marker post body outside, the adjusting part is located in the vertical pole outside.

[0008] As a preferred scheme of the utility model described building engineering management on -the -spot marker post, wherein: the protection piece includes protection cover, first connecting band and first shift block, the protection cover is located in the vertical pole outside, the first connecting band is fixed between the vertical pole and protection cover, and the first shift block is fixed to the outside of the protection cover.

[0009] As a preferred scheme of the utility model described building engineering management on -the -spot marker post, wherein: the protection piece still includes positioning plug, the positioning plug is fixed to one side of the protection cover, and the positioning plug is clamped in the inner wall of the card hole.

[0010] As a preferred scheme of the utility model described building engineering management on -the -spot marker post, wherein: the assembly spare includes the card pin and the empty slot, the card pin is fixed to the bottom of the marker post body, the empty slot is set up in the inner wall of the card pin, the empty slot is set up with two, and is symmetrical.

[0011] As a preferred scheme of the utility model described building engineering management on -the -spot marker post, wherein: the assembly spare still includes first spring, first limit pin and limit hole, the first spring is fixed to the inner wall of the empty slot, the first limit pin is fixed to one end of the first spring, the limit hole is set up in the inner wall of the vertical pole, and the first limit pin is clamped in the inner wall of the limit hole.

[0012] As a preferred scheme of the utility model described building engineering management on -the -spot marker post, wherein: the dismounting spare includes installation pipe, sealing plate, second connecting band and second shift block, the installation pipe is fixed to the vertical pole outside, the installation pipe is communicated with the limit hole, the sealing plate is located in one end of the installation pipe, the second connecting band is fixed between the installation pipe and sealing plate, and the second shift block is fixed to the outside of the sealing plate.

[0013] As a preferred scheme of the building engineering management on-site marker post, the dismounting piece further comprises a limiting plate, a second spring, a push plate, a sliding rod and a limiting pin, the limiting plate is fixed to the inner wall of the mounting pipe, the second spring is fixed to one side of the limiting plate, the push plate is fixed to one end of the second spring, the sliding rod is arranged in the second spring, the sliding rod is fixed to one side of the push plate, the sliding rod is slidingly connected to the inner wall of the limiting plate, and the limiting pin is fixed to one end of the sliding rod.

[0014] As a preferred scheme of the building engineering management on-site marker post, the adjusting piece comprises a first adjusting seat, a first damping rotating shaft, a sleeve pipe and an adjusting rod, the first adjusting seat is fixed to the outer side of the vertical rod, the first damping rotating shaft is rotatably connected to the inner wall of the first adjusting seat, the sleeve pipe is fixed to the outer side of the first damping rotating shaft, and the adjusting rod is slidingly connected to the inner wall of the sleeve pipe.

[0015] As a preferred scheme of the building engineering management on-site marker post, the adjusting piece further comprises a second damping rotating shaft, a second adjusting seat and a base, the second damping rotating shaft is fixed to the bottom end of the adjusting rod, the second adjusting seat is rotatably connected to the outer side of the second damping rotating shaft, and the base is fixed to the bottom of the second adjusting seat.

[0016] As a preferred scheme of the building engineering management on-site marker post, the adjusting piece further comprises a threaded hole and an adjusting bolt, the threaded hole is formed in the inner wall of the sleeve pipe, and the adjusting bolt is threadedly connected to the inner wall of the threaded hole.

[0017] The building engineering management on-site marker post has the beneficial effects that: the vertical rod can be installed and inserted into the ground to fix the marker post, the protection piece can protect the vertical rod when the vertical rod is knocked to avoid damage, the three marker posts and the vertical rod can be assembled through the assembly piece and the dismounting piece to adapt to measurement of different heights, the marker post can be fixed on the vertical rod through the clamping seat to improve the convenience of carrying, and the installed marker post can be adjusted in angle through the adjusting piece and the use of the infrared level meter to be adjusted to a vertical state. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative labor. Among them:

[0019] Figure 1It is whole structure diagram of field standard pole for construction engineering management.

[0020] Figure 2 It is split structure diagram of vertical pole and standard pole body of field standard pole for construction engineering management.

[0021] Figure 3 It is Figure 2 It is enlarged structure diagram of A in the middle.

[0022] Figure 4 It is storage structure diagram of standard pole body and sleeve of field standard pole for construction engineering management.

[0023] Figure 5 It is assembly structure diagram of field standard pole for construction engineering management.

[0024] Figure 6 It is disassembly structure diagram of field standard pole for construction engineering management.

[0025] Figure 7 It is adjusting structure diagram of field standard pole for construction engineering management.

[0026] Figure 8 It is Figure 7 It is enlarged structure diagram of B in the middle.

[0027] Label in the figure: 100, main body assembly; 101, vertical pole; 102, slot; 103, sharp cone; 104, standard pole body; 105, scale line; 106, clamping hole; 107, protection piece; 107a, protection cover; 107b, first connecting belt; 107c, first pushing block; 107d, positioning plug; 200, installation assembly; 201, clamping seat; 202, assembly piece; 202a, clamping pin; 202b, empty slot; 202c, first spring; 202d, first limiting pin; 202e, limiting hole; 203, disassembly piece; 203a, installation pipe; 203b, sealing plate; 203c, second connecting belt; 203d, second pushing block; 203e, limiting plate; 203f, second spring; 203g, pushing plate; 203h, sliding rod; 203i, limiting pin; 204, adjusting piece; 204a, first adjusting seat; 204b, first damping rotating shaft; 204c, sleeve; 204d, adjusting rod; 204e, second damping rotating shaft; 204f, second adjusting seat; 204g, base; 204h, threaded hole; 204i, adjusting bolt. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious, the specific embodiment of the utility model is explained in detail below by combining with the drawings of the specification.

[0029] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced according to other embodiments that can not be described in detail herein, and the present application is not limited to the embodiments described herein. Instead, the present application is described with reference to the following drawings and detailed description.

[0030] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive with other embodiments.

[0031] Embodiment 1

[0032] Reference Figures 1-8 For the first embodiment of the present application, the embodiment provides a construction engineering management site flagpole, the construction engineering management site flagpole includes a main component 100 and an installation component 200, the main component 100 can facilitate staff to carry out field data measurement at construction site, the installation component 200 can facilitate the installation of the flagpole body 104 used for measurement, and the angle is adjusted.

[0033] The main component 100 includes a vertical rod 101, a slot 102, a sharp cone 103, a flagpole body 104, a scale line 105, a clamping hole 106 and a protective piece 107, the slot 102 is opened on the outer side of the vertical rod 101, the sharp cone 103 is fixed to the bottom end of the vertical rod 101, the flagpole body 104 is arranged at the top end of the vertical rod 101, the scale line 105 is arranged on the outer side of the flagpole body 104, the clamping hole 106 is opened at the top of the vertical rod 101 and the flagpole body 104, and the protective piece 107 is arranged on the outer side of the top end of the vertical rod 101.

[0034] The vertical rod 101 can support the installation of the flagpole body 104, the slot 102 is opened on the outer side of the bottom end of the vertical rod 101, the slot 102 is opened with several strips, the contact surface of the vertical rod 101 with soil after being inserted into the ground is improved, and the stability of the vertical rod 101 is improved, the sharp cone 103 is fixed to the bottom end of the vertical rod 101, the vertical rod 101 can be inserted into the ground under knocking, the flagpole body 104 is provided with three, which can be installed according to the construction site environment and is suitable for measurement of different heights, the scale line 105 can facilitate staff to check measurement data, the clamping hole 106 can facilitate the connection between each flagpole body 104 and the connection between the flagpole body 104 and the vertical rod 101, and the protective piece 107 can protect the vertical rod 101 when the staff knocks the vertical rod 101, so as to avoid damage and prolong the service life.

[0035] The mounting assembly 200 is arranged outside the vertical rod 101 and comprises a clamping seat 201, an assembling assembly 202, a disassembling assembly 203 and an adjusting assembly 204. The clamping seat 201 is fixed outside the vertical rod 101, the assembling assembly 202 is arranged inside the vertical rod 101, the disassembling assembly 203 is arranged outside the vertical rod 101 and the marker body 104, and the adjusting assembly 204 is arranged outside the vertical rod 101.

[0036] The clamping seat 201 can fix the marker body 104 outside the vertical rod 101 after being disassembled, has a certain elasticity, and has an inner diameter matched with the size of the marker body 104. The assembling assembly 202 is used for connecting the marker bodies 104 and the vertical rod 101. The disassembling assembly 203 can disassemble the marker bodies 104, facilitating carrying. The adjusting assembly 204 can adjust the angle of the marker body 104, and cooperate with the use of the infrared level meter to adjust the marker body 104 to a vertical state.

[0037] Embodiment 2

[0038] Referring to Figure 3 As a second embodiment of the utility model, the embodiment is based on the previous embodiment.

[0039] Specifically, the protection piece 107 comprises a protection cover 107a, a first connecting belt 107b and a first shifting block 107c. The protection cover 107a is arranged outside the vertical rod 101. The first connecting belt 107b is fixed between the vertical rod 101 and the protection cover 107a. The first shifting block 107c is fixed outside the protection cover 107a.

[0040] The protection cover 107a is used for covering the top end of the vertical rod 101, so that the worker can not directly contact the vertical rod 101 when knocking the vertical rod 101, thereby avoiding damaging the vertical rod 101. The first connecting belt 107b is used for connecting the protection cover 107a and the vertical rod 101. The protection cover 107a can be disassembled and replaced through the first connecting belt 107b. The first shifting block 107c can facilitate the worker to shift the protection cover 107a and take it off the vertical rod 101.

[0041] Specifically, the protection piece 107 further comprises a positioning plug 107d. The positioning plug 107d is fixed to one side of the protection cover 107a and is clamped to the inner wall of the clamping hole 106.

[0042] The positioning plug 107d can facilitate the fixation of the protection cover 107a to the vertical rod 101 when the protection cover 107a covers the top end of the vertical rod 101.

[0043] Embodiment 3

[0044] Referring to Figures 2-8 As a third embodiment of the utility model, the embodiment is based on the previous two embodiments.

[0045] Specifically, the assembling part 202 comprises a latch 202a fixed to the bottom of the marker body 104 and two symmetrical empty slots 202b formed in the inner wall of the latch 202a.

[0046] The latch 202a can be connected with the clamping hole 106, the size of the clamping hole 106 is matched with the inner diameter of the clamping hole 106, so as to connect the marker bodies 104, and the marker body 104 can be connected with the vertical rod 101, the empty slots 202b are formed in the inner wall of the latch 202a, the two empty slots 202b are symmetrical, and the first springs 202c are fixed in the two empty slots 202b.

[0047] Specifically, the assembling part 202 further comprises the first springs 202c, the first limiting pins 202d and the limiting holes 202e, the first springs 202c are fixed to the inner wall of the empty slots 202b, the first limiting pins 202d are fixed to one end of the first springs 202c, the limiting holes 202e are formed in the inner wall of the vertical rod 101, and the first limiting pins 202d are connected with the inner wall of the limiting holes 202e.

[0048] When the first springs 202c are pressed by the movement of the first limiting pins 202d, the first springs 202c can be contracted, and the first limiting pins 202d can be moved by the elastic force of the first springs 202c, so as to reset the first limiting pins 202d, the inner diameter of the limiting holes 202e is matched with the size of the first limiting pins 202d, so that the connection between the marker bodies 104 is more stable, and the connection between the marker body 104 and the vertical rod 101 is more stable.

[0049] Specifically, the disassembling part 203 comprises the mounting pipes 203a, the sealing plates 203b, the second connecting belts 203c and the second shifting blocks 203d, the mounting pipes 203a are fixed to the outer side of the vertical rod 101, the mounting pipes 203a are connected with the limiting holes 202e, the sealing plates 203b are arranged at one end of the mounting pipes 203a, the second connecting belts 203c are fixed between the mounting pipes 203a and the sealing plates 203b, and the second shifting blocks 203d are fixed to the outer side of the sealing plates 203b.

[0050] The mounting pipes 203a are fixed to the outer side of the vertical rod 101 and the marker body 104, the mounting pipes 203a are arranged in two and are symmetrical, the mounting pipes 203a can facilitate the movement of the limiting pins 203i in the mounting pipes 203a, the sealing plates 203b are used for sealing one end of the mounting pipes 203a, the second connecting belts 203c are used for connecting the mounting pipes 203a and the sealing plates 203b, and the second shifting blocks 203d are used for shifting the sealing plates 203b to remove the sealing plates 203b from the mounting pipes 203a.

[0051] Specifically, the dismounting piece 203 further comprises a limiting plate 203e, a second spring 203f, a push plate 203g, a sliding rod 203h and a limiting pin 203i. The limiting plate 203e is fixed to the inner wall of the mounting pipe 203a. The second spring 203f is fixed to one side of the limiting plate 203e. The push plate 203g is fixed to one end of the second spring 203f. The sliding rod 203h is arranged inside the second spring 203f. The sliding rod 203h is fixed to one side of the push plate 203g. The sliding rod 203h is slidingly connected to the inner wall of the limiting plate 203e. The limiting pin 203i is fixed to one end of the sliding rod 203h.

[0052] The limiting plate 203e is used for fixing the second spring 203f. The second spring 203f can be stretched and contracted under the pushing of the push plate 203g and can be reset by the elastic force of the second spring 203f. The sliding rod 203h is connected to the push plate 203g and can push the sliding rod 203h to move when the push plate 203g moves. The movement of the sliding rod 203h can push the limiting pin 203i to move. The movement of the limiting pin 203i can slide the first limiting pin 202d out of the limiting hole 202e, so that the vertical rods 101 and the rod bodies 104 can be dismounted.

[0053] Specifically, the adjusting piece 204 comprises a first adjusting seat 204a, a first damping rotating shaft 204b, a sleeve 204c and an adjusting rod 204d. The first adjusting seat 204a is fixed to the outer side of the vertical rod 101. The first damping rotating shaft 204b is rotatably connected to the inner wall of the first adjusting seat 204a. The sleeve 204c is fixed to the outer side of the first damping rotating shaft 204b. The adjusting rod 204d is slidingly connected to the inner wall of the sleeve 204c.

[0054] The first adjusting seat 204a is fixed to the outer side of the vertical rod 101. The first adjusting seat 204a is arranged in three and in a ring array shape. The first damping rotating shaft 204b can rotate in the first adjusting seat 204a when the sleeve 204c rotates, which improves the stability of the rotation of the sleeve 204c. The working principle of the damping rotating shaft mainly depends on the mutual extrusion of the gaskets to generate friction. The size of the friction can be controlled by adjusting the number of gaskets and the tightness of the nut. When the rotating shaft rotates, the internal spring gasket and the limiting gasket will produce a certain resistance, thereby realizing the accurate control of the rotation angle and speed. The adjusting rod 204d slides in the sleeve 204c and can be used in cooperation with the sleeve 204c to adjust the angle of the vertical rod 101.

[0055] Specifically, the adjusting piece 204 further comprises a second damping rotating shaft 204e, a second adjusting seat 204f and a base 204g. The second damping rotating shaft 204e is fixed to the bottom end of the adjusting rod 204d. The second adjusting seat 204f is rotatably connected to the outer side of the second damping rotating shaft 204e. The base 204g is fixed to the bottom of the second adjusting seat 204f.

[0056] The second damping pivot 204e is fixed at the bottom end of the adjusting rod 204d, and when the adjusting rod 204d rotates, the second damping pivot 204e rotates in the second adjusting seat 204f, the second adjusting seat 204f can support the rotation of the adjusting rod 204d, and the base 204g is used for mounting and supporting the second adjusting seat 204f.

[0057] Specifically, the adjusting member 204 further comprises a threaded hole 204h and an adjusting bolt 204i, the threaded hole 204h is arranged on the inner wall of the sleeve 204c, and the adjusting bolt 204i is threadedly connected to the inner wall of the threaded hole 204h.

[0058] The threaded hole 204h is arranged on the inner wall of the sleeve 204c, so that the adjusting bolt 204i can be conveniently connected thereto, and after the adjusting bolt 204i rotates into the sleeve 204c, the adjusting rod 204d can be tightly fixed, and the adjusting rod 204d has anti-skid lines.

[0059] In use, workers carry the vertical rod 101 and the three marker rod bodies 104 to the construction site for measurement, first knock the vertical rod 101 into the ground through the pointed cone 103 and the protection piece 107 for fixation, and at the same time, cooperate with the infrared level meter to adjust the vertical rod 101 to a vertical state through the adjusting member 204, then according to the needs of the site environment, connect the marker rod body 104 with the vertical rod 101 through the assembling member 202, after measurement, disassemble the marker rod body 104 through the disassembling member 203, and finally fix the marker rod body 104 on the clamping seat 201.

[0060] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A site benchmark for construction project management, characterized in that: include, The main component (100) includes a vertical rod (101), a notch (102), a cone (103), a marker body (104), a scale line (105), a locking hole (106), and a protective component (107). The notch (102) is opened on the outside of the vertical rod (101), the cone (103) is fixed to the bottom end of the vertical rod (101), the marker body (104) is disposed on the top of the vertical rod (101), the scale line (105) is disposed on the outside of the marker body (104), the locking hole (106) is opened on the top of the vertical rod (101) and the marker body (104), and the protective component (107) is disposed on the outside of the top of the vertical rod (101). The mounting assembly (200) is located on the outside of the vertical rod (101) and includes a mounting base (201), an assembly (202), a disassembly component (203), and an adjusting component (204). The mounting base (201) is fixed to the outside of the vertical rod (101), the assembly (202) is located inside the vertical rod (101), the disassembly component (203) is located on the outside of the vertical rod (101) and the marker body (104), and the adjusting component (204) is located on the outside of the vertical rod (101).

2. The on-site benchmark for construction project management as described in claim 1, characterized in that: The protective component (107) includes a protective cover (107a), a first connecting strap (107b), and a first lever (107c). The protective cover (107a) is disposed on the outside of the vertical rod (101), the first connecting strap (107b) is fixed between the vertical rod (101) and the protective cover (107a), and the first lever (107c) is fixed on the outside of the protective cover (107a).

3. The on-site benchmark for construction project management as described in claim 2, characterized in that: The protective component (107) also includes a positioning plug (107d), which is fixed to one side of the protective cover (107a) and is engaged with the inner wall of the card hole (106).

4. The on-site benchmark for construction project management as described in claim 1, characterized in that: The assembly (202) includes a locking pin (202a) and a slot (202b). The locking pin (202a) is fixed to the bottom of the marker body (104). The slot (202b) is opened on the inner wall of the locking pin (202a). There are two slots in the slot (202b) and they are symmetrical.

5. The on-site benchmark for construction project management as described in claim 4, characterized in that: The assembly (202) further includes a first spring (202c), a first limiting pin (202d), and a limiting hole (202e). The first spring (202c) is fixed to the inner wall of the slot (202b), the first limiting pin (202d) is fixed to one end of the first spring (202c), the limiting hole (202e) is opened in the inner wall of the vertical rod (101), and the first limiting pin (202d) is engaged with the inner wall of the limiting hole (202e).

6. The on-site benchmark for construction project management as described in claim 5, characterized in that: The disassembly component (203) includes an installation tube (203a), a sealing plate (203b), a second connecting band (203c), and a second lever (203d). The installation tube (203a) is fixed to the outside of the vertical rod (101) and is connected to the limiting hole (202e). The sealing plate (203b) is disposed at one end of the installation tube (203a). The second connecting band (203c) is fixed between the installation tube (203a) and the sealing plate (203b). The second lever (203d) is fixed to the outside of the sealing plate (203b).

7. The on-site benchmark for construction project management as described in claim 6, characterized in that: The disassembly component (203) further includes a limiting plate (203e), a second spring (203f), a push plate (203g), a slide rod (203h), and a limiting pin (203i). The limiting plate (203e) is fixed to the inner wall of the mounting tube (203a). The second spring (203f) is fixed to one side of the limiting plate (203e). The push plate (203g) is fixed to one end of the second spring (203f). The slide rod (203h) is disposed inside the second spring (203f) and is fixed to one side of the push plate (203g). The slide rod (203h) is slidably connected to the inner wall of the limiting plate (203e). The limiting pin (203i) is fixed to one end of the slide rod (203h).

8. The on-site benchmark for construction project management as described in claim 1, characterized in that: The adjusting component (204) includes a first adjusting seat (204a), a first damping shaft (204b), a sleeve (204c), and an adjusting rod (204d). The first adjusting seat (204a) is fixed to the outside of the vertical rod (101), the first damping shaft (204b) is rotatably connected to the inner wall of the first adjusting seat (204a), the sleeve (204c) is fixed to the outside of the first damping shaft (204b), and the adjusting rod (204d) is slidably connected to the inner wall of the sleeve (204c).

9. The on-site benchmark for construction project management as described in claim 8, characterized in that: The adjusting component (204) further includes a second damping shaft (204e), a second adjusting seat (204f), and a base (204g). The second damping shaft (204e) is fixed to the bottom end of the adjusting rod (204d), the second adjusting seat (204f) is rotatably connected to the outside of the second damping shaft (204e), and the base (204g) is fixed to the bottom of the second adjusting seat (204f).

10. The on-site benchmark for construction project management as described in claim 8, characterized in that: The adjusting component (204) further includes a threaded hole (204h) and an adjusting bolt (204i). The threaded hole (204h) is formed in the inner wall of the sleeve (204c), and the adjusting bolt (204i) is threadedly connected to the inner wall of the threaded hole (204h).

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