CN220521925U - Operation platform suitable for narrow and small cavity shaft - Google Patents

Abstract

The utility model discloses an operation platform suitable for a narrow hollow vertical shaft, wherein four bosses are arranged on the outer wall of a first shell in an annular array mode, one sides of the bosses are respectively provided with a first sliding groove, a supporting rod for supporting is sleeved in the first sliding groove in a sliding mode, one ends, far away from the bosses, of the supporting rods are respectively fixedly connected with a supporting block, and an adjusting assembly for controlling the supporting rods to stretch out and draw back is arranged at the upper end of the first shell. The beneficial effects are that: the supporting rod in the first shell can be stretched out through the adjusting component, so that the supporting block at one end of the supporting rod supports the inner wall of the vertical shaft, the direction of supporting force is changed by providing support in a transverse extrusion mode, and when the operating platform is retracted, the supporting rod can be directly reversed to be retracted by the adjusting component, and the situation that the operating platform is difficult to recover after the supporting time of the operating platform is long is avoided.

Description

Operation platform suitable for narrow and small cavity shaft

Technical Field

The utility model relates to the technical field of building construction, in particular to an operation platform suitable for a narrow hollow vertical shaft.

Background

The vertical shaft is a channel for conveying underground silt or silt when the underdrain of the campaigns is excavated or cleaned, and is also an air supply and ventilation opening. The well depth is deep and shallow due to different topography and ground water level, and generally the deeper the closer the well is to the source, the deeper the well can reach more than 90 meters. The distance between shafts varies with the length of the candela, and there is typically one shaft every 20-70 meters.

According to an operation platform suitable for a narrow hollow vertical shaft disclosed in Chinese patent publication No. CN218028874U, the utility model relates to the technical field of building construction, and discloses an operation platform suitable for a narrow hollow vertical shaft. The utility model has the advantages of simple manufacture, convenient operation and use, quick disassembly and maintenance, repeated use of the upper layer and the lower layer at the same position, good stability, safety and reliability, and effective auxiliary construction operation.

According to the above patent, it makes support frame main part inner end through the pedal support frame main part rotate down to the position nearly vertically with the vertical bracing piece through the diagonal bracing dwang, the gravity that bears above the support frame main part converts into the lateral friction of vertical bracing piece and shaft inner wall side wall to fix operation platform, thereby can learn the support that the arm of force that utilizes the lever to the shaft inner wall diagonal extrusion obtained, can make the bracing piece card advance the shaft inner wall after the people stand up, the time of standing is then can lead to the tighter of card more for a long time, thereby can make the follow-up take off because block between bracing piece and the shaft inner wall and be difficult to take out.

Accordingly, a person skilled in the art provides an operating platform suitable for a narrow hollow shaft to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide an operation platform suitable for a narrow hollow vertical shaft so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an operation platform suitable for narrow and small cavity shaft, the outer wall annular array of casing one is provided with four bosss, just spout one has all been seted up to one side of boss, the slip cap is equipped with the bracing piece that is used for supporting in the spout one, the bracing piece is kept away from the equal fixedly connected with supporting shoe of one end of boss, the upper end of casing one is provided with the adjusting part that is used for controlling the bracing piece to stretch out and draw back.

Further, the adjusting component comprises a rotary table and a gear, the upper end of the first shell is rotationally connected with the rotary table, a tooth slot is formed in the lower end of the rotary table and meshed with the gear, and threads are formed in the outer wall of the supporting rod and are in threaded connection with the gear.

Further, the outer diameter of the rotary disc is larger than that of the first shell, and a plurality of grooves for assisting in rotation are formed in the outer wall of the rotary disc.

Further, the upper end of the first shell is fixedly connected with a round table, and the upper end of the round table is fixedly connected with a second shell which is identical to the first shell in configuration.

Further, a second sliding groove is formed in the first shell, a sliding block is arranged in the sliding sleeve, the upper end of the sliding block is rotationally connected with a connecting shaft, and the connecting shaft penetrates through the first shell and is rotationally connected with the second shell.

Further, the outer wall of the lower end of the connecting shaft is provided with an external thread and is in threaded connection with the first shell, and the upper end of the connecting shaft penetrates through the second shell and is fixedly connected with a knob.

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

(1) The supporting rod in the first shell can be extended through the adjusting component, so that the supporting block at one end of the supporting rod supports the inner wall of the vertical shaft, the supporting force direction is changed by providing support in a transverse extrusion mode, when the operating platform is retracted, the supporting rod can be directly reversed to be retracted by the adjusting component, and the situation that the operating platform is difficult to recover after the supporting time of the operating platform is long is avoided.

(2) The working range in the vertical shaft can be adjusted through the cooperation of the second shell and the first shell, so that the operation platform can freely move in the vertical shaft, and the practicability of the operation platform is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an operating platform adapted for a narrow hollow shaft according to an embodiment of the present utility model;

fig. 2 is a schematic view showing an internal structure of an operation platform adapted to a narrow hollow shaft according to an embodiment of the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

Reference numerals:

1. a first shell; 2. a boss; 3. a first chute; 4. a support rod; 5. a support block; 6. an adjustment assembly; 61. a turntable; 62. a gear; 7. tooth slots; 8. round bench; 9. a second shell; 10. a second chute; 11. a slide block; 12. a connecting shaft; 13. a knob; 14. a groove.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and detailed description:

embodiment one:

referring to fig. 1-3, according to an embodiment of the utility model, four bosses 2 are annularly arranged on an outer wall of a first housing 1, a first sliding chute 3 is formed on one side of the first boss 2, a supporting rod 4 for supporting is slidably sleeved in the first sliding chute 3, a supporting block 5 is fixedly connected to one end of the supporting rod 4 away from the boss 2, and an adjusting assembly 6 for controlling the supporting rod 4 to stretch is arranged at the upper end of the first housing 1.

According to the scheme provided by the utility model, the rotating disc 61 of the adjusting component 6 can be rotated to synchronously rotate the gears 62 through the four bosses 2 arranged on the outer wall of the shell 1, so that the supporting rod 4 is extended, then the supporting block 5 is propped against the well wall to provide supporting force, the supporting force is provided in a transverse extrusion mode, the supporting rod 4 can be retracted only by reversing the rotating disc 61 when the supporting rod is taken down, the operation is simple and convenient, the difficult recovery caused by the long supporting time is avoided, and the practicability of the operation platform is higher.

Embodiment two:

referring to fig. 2-3, the adjusting assembly 6 includes a turntable 61 and a gear 62, the turntable 61 is rotatably connected to the upper end of the first housing 1, the gear teeth 7 are formed at the lower end of the turntable 61 and engaged with the gear 62, the outer wall of the supporting rod 4 is threaded and is in threaded connection with the gear 62, the outer diameter of the turntable 61 is larger than the outer diameter of the first housing 1, and a plurality of auxiliary rotating grooves 14 are formed in the outer wall of the turntable 61.

According to the scheme, the groove 14 is formed in the outer wall of the first turntable 61 and used for assisting in rotation, the first turntable 61 can be conveniently rotated, operation is simpler, when the first turntable 61 is rotated, the gear 62 is driven to rotate through rotation of the tooth grooves 7, the supporting rod 4 extends out, then the supporting block 5 is propped against the inner wall of the vertical shaft to provide support, and the supporting force of the operation platform can be further enhanced through processing the anti-slip protrusions on the outer wall of the supporting block 5, so that the operation platform is supported more stably in use and is higher in safety.

Embodiment III:

referring to fig. 2, the upper end of the first housing 1 is fixedly connected with a circular table 8, the upper end of the circular table 8 is fixedly connected with a second housing 9 configured identically to the first housing 1, a second chute 10 is provided in the first housing 1, a sliding sleeve is provided with a sliding block 11, the upper end of the sliding block 11 is rotatably connected with a connecting shaft 12, the connecting shaft 12 penetrates through the first housing 1 and is rotatably connected with the second housing 9, an external thread is provided on the outer wall of the lower end of the connecting shaft 12 and is in threaded connection with the first housing 1, and the upper end of the connecting shaft 12 penetrates through the second housing 9 and is fixedly connected with a knob 13.

According to the scheme, when the first shell 1 supports the inner wall of the vertical shaft, the connecting shaft 12 is rotated through the rotating knob 13, so that the connecting shaft 12 extends out of the first shell 1 through threaded connection between the connecting shaft 12 and the first shell 1, the distance between the first shell 1 and the second shell 9 is changed, then the second shell 9 supports the inner wall of the vertical shaft, the first shell 1 is retracted, the counter-rotating knob 13 reduces the distance between the first shell 1 and the second shell 9, the working range in the vertical shaft can be adjusted, the second shell 9 and the connecting shaft 12 are connected in a rotating mode, the second shell 9 can flexibly rotate according to requirements, the supporting rod 4 of the second shell 9 and the supporting rod 4 of the first shell 1 are conveniently diverged, and standing positions can be conveniently adjusted. The connecting shaft 12 is connected with the second chute 10 through the sliding block 11, so that the sliding block 11 can be limited through the second chute 10, and the connecting shaft 12 is prevented from being excessively stretched to be separated from the first housing 1.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

In practical application, the gear 62 is synchronously rotated to extend the supporting rod 4 by rotating the rotary table 61, then the supporting block 5 is abutted against the inner wall of the vertical shaft to provide supporting force, so that the supporting rod is convenient to fix quickly, the rotary knob 13 can extend out of the first shell 1 through the connecting shaft 12 to change the distance between the second shell 9 and the first shell 1, then the second shell 9 supports the inner wall of the vertical shaft, the first shell 1 is retracted to support the vertical shaft, and the first shell 1 can be moved upwards by reversing the rotary knob 13, so that the operation range in the vertical shaft is adjusted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an operation platform suitable for narrow and small cavity shaft, includes casing one (1), its characterized in that, the outer wall annular array of casing one (1) is provided with four boss (2), just spout one (3) have all been seted up to one side of boss (2), the slip cap is equipped with bracing piece (4) that are used for supporting in spout one (3), bracing piece (4) are kept away from the equal fixedly connected with supporting shoe (5) of one end of boss (2), the upper end of casing one (1) is provided with and is used for controlling telescopic adjusting part (6) of bracing piece (4).

2. The operating platform suitable for the narrow hollow vertical shaft according to claim 1, wherein the adjusting component (6) comprises a rotary table (61) and a gear (62), the rotary table (61) is rotatably connected to the upper end of the first shell (1), a tooth slot (7) is formed in the lower end of the rotary table (61) and is meshed with the gear (62), and the outer wall of the supporting rod (4) is threaded and is in threaded connection with the gear (62).

3. An operating platform for a small hollow shaft according to claim 2, characterized in that the outer diameter of the turntable (61) is larger than the outer diameter of the first housing (1), and that the outer wall of the turntable (61) is provided with a number of grooves (14) for auxiliary rotation.

4. The operating platform for the narrow hollow vertical shaft according to claim 1, wherein a round table (8) is fixedly connected to the upper end of the first shell (1), and a second shell (9) with the same configuration as the first shell (1) is fixedly connected to the upper end of the round table (8).

5. The operating platform suitable for the narrow hollow vertical shaft according to claim 4, wherein a second sliding groove (10) is formed in the first shell (1) and a sliding sleeve is provided with a sliding block (11), the upper end of the sliding block (11) is rotationally connected with a connecting shaft (12), and the connecting shaft (12) penetrates through the first shell (1) and is rotationally connected with the second shell (9).

6. The operating platform for the narrow hollow vertical shaft according to claim 5, wherein the outer wall of the lower end of the connecting shaft (12) is provided with an external thread and is in threaded connection with the first shell (1), and the upper end of the connecting shaft (12) penetrates through the second shell (9) and is fixedly connected with a knob (13).