CN217205209U

CN217205209U - Scaffold for railway tunnel construction

Info

Publication number: CN217205209U
Application number: CN202221077343.4U
Authority: CN
Inventors: 高阳; 李楠楠; 王国博; 孙龙梅
Original assignee: Harbin Railway Technical College
Current assignee: Harbin Railway Technical College
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-16
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a scaffold for railway tunnel construction, which comprises a bottom plate stably arranged on the ground, wherein sleeves are symmetrically arranged at the top of the bottom plate, stand columns are slidably connected in the sleeves and fixed at the bottom of a top plate, and a motor is arranged in the middle of the top surface of the bottom plate; further comprising: the output end of the motor is connected with the first screw rods on the two sides through a transmission belt, and the first screw rods penetrate through the shaft and are connected to the top of the bottom plate; the front side and the rear end face of the sleeve are connected with a sliding block, and the end part of the sliding block is hinged with a support connecting rod; the top of roof is connected with the footboard, and all articulates on the terminal surface all around of roof has the guard plate. This scaffold frame for railway tunnel construction can carry out the regulation of height, and increases the stability of bottom when carrying out altitude mixture control, can protect personnel and carry out convenient accomodating processing to protective structure through the setting of guard plate simultaneously.

Description

Scaffold for railway tunnel construction

Technical Field

The utility model relates to a railway tunnel construction technical field specifically is a railway is scaffold frame for tunnel construction.

Background

Scaffold for construction is used for personnel's operation that sets up for construction mainly, and the material is placed and is constructed the interim structure support body of operation usefulness, and it is the important bearing structure of carrying out the construction operation, and at present steel scaffold is the erection tool that uses the widest, possess the most, however current scaffold for railway tunnel construction has following problem:

present scaffold frame for railway tunnel construction is generally not convenient for carry out the regulation of height at the in-process that uses, and when carrying out altitude mixture control, is limited to the support of bottom, unstable phenomenon easily appears, and current scaffold frame lacks the structure of protecting the staff simultaneously, and it is great that there is protective structure's general occupation space a bit, is not convenient for carry out convenient accomodating to protective mechanism.

We have therefore proposed a scaffolding for railway tunnel construction in order to solve the problems set forth above.

Disclosure of Invention

An object of the utility model is to provide a scaffold frame is used in railway tunnel construction to solve the current scaffold frame for railway tunnel construction on the existing market that the above-mentioned background art provided and be not convenient for increase stability when carrying out altitude mixture control, be not convenient for protect the personnel and carry out the convenient problem of accomodating to protective structure simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a scaffold for railway tunnel construction comprises a bottom plate stably arranged on the ground, sleeves are symmetrically arranged at the top of the bottom plate, stand columns are connected in the sleeves in a sliding mode and fixed to the bottom of a top plate, and a motor is arranged in the middle of the top surface of the bottom plate;

further comprising:

the output end of the motor is connected with the first screw rods on the two sides through a transmission belt, and the first screw rods penetrate through the shaft and are connected to the top of the bottom plate;

the front side and the rear end face of the sleeve are connected with a sliding block, and the end part of the sliding block is hinged with a support connecting rod;

the top of roof is connected with the footboard, and all articulates on the terminal surface all around of roof has the guard plate.

Preferably, the outside screw thread cover of first screw rod is equipped with the stand, and stand sliding connection is in telescopic inside to the stand all sets up to the rectangle structure with telescopic inside, and the stand constitutes the structure that reciprocates through between first screw rod and the sleeve in addition, makes the first screw rod rotate the back and will drive the stand that the screw thread cover was established and slide in telescopic inside, and the stand will be the regulation of height, and the stand will drive the roof when removing and carry out synchronous lift.

Preferably, the bottom of roof articulates there is first stay cord, and the tip of first stay cord is around locating on the second screw rod to second screw rod hub connection is in telescopic front and back side, installs first torsional spring between second screw rod and the sleeve moreover, and the second screw rod constitutes reciprocal rotating-structure through first stay cord and first torsional spring simultaneously, makes the roof when shifting up, can tighten up first stay cord, and first stay cord will drive the second screw rod and rotate, will reverse first torsional spring after the second screw rod rotates.

Preferably, the cover is equipped with the slider on the second screw rod, and the slider slides with erecting the groove laminating to the slider drives the articulated support link in the outside and carries out synchronous rotation support, makes when the second screw rod rotates, will drive the slider and remove in erecting the groove, and then drives the support link and rotate, will increase area of contact after the support link rotates.

Preferably, the bottom of footboard is connected in the recess, and the recess is seted up in the top of roof to install reset spring between footboard and the recess, the outside of footboard is connected with the second stay cord moreover, makes the footboard move down in the recess after the pressurized, and then compresses reset spring, thereby drives the second stay cord and relaxs.

Preferably, the tip of second stay cord is around the articulated department of locating the guard plate, and installs the second torsional spring between guard plate and the roof to the guard plate constitutes reciprocal rotating-structure through second stay cord and second torsional spring, makes the second stay cord relax the back, and the second torsional spring will be turned around, and then drives the guard plate and rotate to vertical state up.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the scaffold for railway tunnel construction, the arranged motor drives the first screw rod to rotate, so that the stand columns on two sides can vertically slide in the sleeve, the top plate is driven to lift or descend, when the stand columns ascend, the first stay rope at the bottom of the top plate can drive the second screw rod to rotate, the first torsion spring is further rotated, the sliding block can move downwards in the vertical groove, and the supporting connecting rod can be driven to rotate after the sliding block moves downwards, so that the supporting area between the sliding block and the ground is increased, and high stability is kept while height adjustment is achieved;

2. this scaffold frame for railway tunnel construction, footboard through setting up, will compress reset spring and move down in the recess after the atress, and the footboard will relax the second stay cord after moving down, initial condition will drive the guard plate for the second torsional spring of reversal and rotate this moment, the guard plate will be in vertical state after rotating, and then protect the staff, and when not using, the people leaves behind the footboard, the footboard will reset under reset spring's effect, the second stay cord tightens up this moment, the reversal of second torsional spring, the guard plate rotates to the lower part, and then be convenient for accomodate.

Drawings

FIG. 1 is a schematic view of the overall front cut structure of the present invention;

FIG. 2 is a schematic view of the overall side-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of the utility model at B in FIG. 1;

fig. 5 is a schematic view of the top view structure of the protection plate of the present invention.

In the figure: 1. a base plate; 2. a sleeve; 3. a column; 4. a top plate; 5. a motor; 6. a first screw; 7. a first pull cord; 8. a second screw; 9. a first torsion spring; 10. a vertical slot; 11. a slider; 12. a support link; 13. a pedal; 14. a groove; 15. a return spring; 16. a protection plate; 17. a second torsion spring; 18. a second draw cord.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a scaffold for railway tunnel construction comprises a bottom plate 1 stably arranged on the ground, sleeves 2 are symmetrically arranged at the top of the bottom plate 1, stand columns 3 are connected in the sleeves 2 in a sliding mode, the stand columns 3 are fixed to the bottom of a top plate 4, and a motor 5 is arranged in the middle of the top surface of the bottom plate 1;

further comprising: the top of the top plate 4 is connected with a pedal 13, the end surfaces of the periphery of the top plate 4 are hinged with protective plates 16, the bottom of the pedal 13 is connected in a groove 14, the groove 14 is arranged at the top of the top plate 4, a return spring 15 is arranged between the pedal 13 and the groove 14, the outer side of the pedal 13 is connected with a second pull rope 18, the end part of the second pull rope 18 is wound at the hinged part of the protective plate 16, a second torsion spring 17 is arranged between the protective plate 16 and the top plate 4, and the protective plate 16 forms a reciprocating rotating structure through the second pull rope 18 and the second torsion spring 17, as shown in figures 1-2 and 4-5, firstly, in the using process, a worker stands on the top plate 4, at the moment, the pedal 13 on the top plate 4 is pressed downwards, and then moves downwards in the groove 14, and further compresses the return spring 15, when the pedal 13 moves downwards, the second pull rope 18 is loosened, the second torsion spring 17 in the initial state of reverse rotation rotates at the moment, the second torsion spring 17 drives the protection plate 16 to rotate after rotating, the protection plate 16 rotates from the bottom to the top and is in a vertical state, the periphery of a worker is protected, a limiting space can be provided for the worker, and after the worker leaves the pedal 13 after the worker finishes working, the pedal 13 resets under the action of the reset spring 15, the protection plate 16 rotates to the bottom, so that the occupied space is reduced when the worker moves;

the output end of the motor 5 is connected with the first screw rods 6 at two sides through a transmission belt, the first screw rods 6 penetrate through the shaft and are connected with the top of the bottom plate 1, the outer side threads of the first screw rods 6 are sleeved with the upright posts 3, the upright posts 3 are connected inside the sleeve 2 in a sliding manner, and the inner parts of the upright post 3 and the sleeve 2 are both arranged into a rectangular structure, and the upright post 3 and the sleeve 2 form an up-and-down moving structure through the first screw 6, as shown in figures 1-2, when the height of the device is required to be adjusted in the using process, the motor 5 on the bottom plate 1 is started, the motor 5 drives the first screw rods 6 on the two sides to rotate through the transmission belt after being started, the upright post 3 sleeved with threads moves in the sleeve 2 after the first screw rods 6 rotate, and the upright post 3 drives the top plate 4 to synchronously move after moving in the sleeve 2, so that the using height is adjusted;

a sliding block 11 is connected on the front side and the rear end surface of the sleeve 2, the end of the sliding block 11 is hinged with a support connecting rod 12, the bottom of the top plate 4 is hinged with a first pull rope 7, the end of the first pull rope 7 is wound on a second screw 8, the second screw 8 is connected with the front side and the rear side of the sleeve 2 in a shaft mode, a first torsion spring 9 is installed between the second screw 8 and the sleeve 2, meanwhile, the second screw 8 forms a reciprocating rotation structure through the first pull rope 7 and the first torsion spring 9, a sliding block 11 is sleeved on the second screw 8, the sliding block 11 is in fit sliding with a vertical groove 10, the sliding block 11 drives the support connecting rod 12 hinged on the outer side to synchronously rotate and support, as shown in figures 2-3, when the height is adjusted, the top plate 4 moves upwards, the first pull rope 7 is pulled and tightened, the first pull rope 7 drives the second screw 8 to rotate, and the second screw 8 rotates to reverse the first torsion spring 9, second screw rod 8 rotates the back and will drive slider 11 and move down in erecting groove 10, slider 11 removes the back and will drive outside articulated supporting rod 12 and rotate, supporting rod 12 rotates the back, and the bottom will expand certain angle with ground, thereby increase and scaffold frame whole with the support area on ground, thereby make more stable, when not using, stand 3 drives roof 4 and moves down to initial position, at this moment, first stay cord 7 relaxs, first torsion spring 9 will drive 8 gyrations of second screw rod, and then will make slider 11 move up, thereby can be more convenient when making the transport.

The working principle is as follows: when the scaffold for railway tunnel construction is used, as shown in fig. 1-5, firstly, a worker stands on the pedal 13, the pedal 13 is stressed to compress the return spring 15 and move downwards in the groove 14, at the same time, the second pull rope 18 is loosened, at the same time, the second torsion spring 17 in the initial state of reverse rotation drives the protection plate 16 to rotate to the top and be in a vertical state, so as to protect the periphery of the worker, when the worker leaves the pedal 13, the pedal 13 resets, the protection plate 16 rotates to the bottom, so that the occupied space is reduced when moving, when height adjustment is needed, the motor 5 is started, the first screw rod 6 rotates, so that the upright post 3 moves upwards in the sleeve 2, so as to drive the top plate 4 to move synchronously, so as to adjust the use height, when the top plate 4 moves upwards, the first pull rope 7 is tightened, the second screw rod 8 rotates, at the same time, the first torsion spring 9 reverses, the slider 11 moves down in erecting groove 10, and support connecting rod 12 rotates and expandes certain angle with ground to increase and the whole support area with ground of scaffold, thereby make more stable, when not using, stand 3 drives roof 4 and moves down to initial position, and first torsional spring 9 drives the gyration of second screw rod 8, and then will make slider 11 move up, thereby can be more convenient during the feasible transport, thereby accomplish a series of works.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A scaffold for railway tunnel construction comprises a bottom plate (1) stably arranged on the ground, sleeves (2) are symmetrically arranged at the top of the bottom plate (1), stand columns (3) are connected in the sleeves (2) in a sliding mode, the stand columns (3) are fixed to the bottom of a top plate (4), and a motor (5) is arranged in the middle of the top surface of the bottom plate (1);

the method is characterized in that: further comprising:

the output end of the motor (5) is connected with the first screw rods (6) on two sides through a transmission belt, and the first screw rods (6) penetrate through the shaft and are connected to the top of the bottom plate (1);

a sliding block (11) is connected to the front end face and the rear end face of the front side of the sleeve (2), and a supporting connecting rod (12) is hinged to the end portion of the sliding block (11);

the top of roof (4) is connected with footboard (13), and all articulates on the terminal surface all around of roof (4) has guard plate (16).

2. The scaffold for railway tunnel construction according to claim 1, wherein: the outside screw thread cover of first screw rod (6) is equipped with stand (3), and stand (3) sliding connection in the inside of sleeve (2) to the inside of stand (3) and sleeve (2) all sets up to the rectangle structure, constitutes the structure that reciprocates through between first screw rod (6) and sleeve (2) in addition stand (3).

3. The scaffold for railway tunnel construction according to claim 1, wherein: the bottom of roof (4) articulates there is first stay cord (7), and the tip of first stay cord (7) is around locating on second screw rod (8) to second screw rod (8) hub connection is in the front and back side of sleeve (2), installs first torsional spring (9) moreover between second screw rod (8) and sleeve (2), and second screw rod (8) constitute reciprocal rotating-structure through first stay cord (7) and first torsional spring (9) simultaneously.

4. The scaffold for railway tunnel construction according to claim 3, wherein: the second screw rod (8) is sleeved with a sliding block (11), the sliding block (11) is attached to the vertical groove (10) to slide, and the sliding block (11) drives the supporting connecting rod (12) hinged to the outer side to rotate synchronously for supporting.

5. The scaffold for railway tunnel construction according to claim 1, wherein: the bottom of footboard (13) is connected in recess (14), and recess (14) are seted up in the top of roof (4), and install reset spring (15) between footboard (13) and recess (14), and the outside of footboard (13) is connected with second stay cord (18) moreover.

6. The scaffold for railway tunnel construction according to claim 5, wherein: the end part of the second pull rope (18) is wound at the hinged position of the protection plate (16), a second torsion spring (17) is installed between the protection plate (16) and the top plate (4), and the protection plate (16) forms a reciprocating rotation structure through the second pull rope (18) and the second torsion spring (17).