CN210264772U

CN210264772U - Underground protection wall for municipal works

Info

Publication number: CN210264772U
Application number: CN201920785855.8U
Authority: CN
Inventors: 金鑫; 胡海涛; 曹慧菊
Original assignee: Zhejiang Zhonghong Construction Co Ltd
Current assignee: Zhejiang Zhonghong Construction Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-04-07
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a municipal works underground protecting wall relates to the municipal works construction, aims at solving the constructor when underground tunnel construction, and the top in tunnel has the rubble to drop, and ordinary protecting wall only has the wall connection in one end and tunnel, and bearing capacity is little, can injure by a crashing object the workman of constructing under the protecting wall when bearing capacity is not enough, and its technical scheme main points are: including the wallboard, two wallboards pass through hinged joint, and the position at four angles of the lower surface after two wallboards expand is provided with stop gear, and stop gear rotates and is connected with elevating system, the wallboard lower surface is provided with fixed establishment, and fixed establishment wears to establish and is connected with locating component, and locating component's front end is fixed in the wall of tunnel both sides, the utility model discloses a municipal works underground protecting wall has increased the bearing capacity of protecting wall, has reduced the rubble that drops and has pounded constructor's risk.

Description

Underground protection wall for municipal works

Technical Field

The utility model belongs to the technical field of the technique of municipal works construction and specifically relates to a municipal works is with land protecting wall is related to.

Background

At present, when constructor was under the tunnel construction, often only dressed the labour protection, did not do other safety protection measure, nevertheless often have the rubble in the tunnel underground and drop, bring danger for constructor.

The utility model discloses a current application publication number is CN 206052774U's utility model patent, its technical scheme includes: install the guard plate on the wall in the underpass, each guard plate sets up side by side and constitutes the guard wall, the guard plate includes the rotatory movable wallboard of opening of bottom wallboard and accessible, and the top lateral surface of bottom wallboard has a fixed part, and this fixed part bottom lateral surface has an axle sleeve, and the position that the axle sleeve was corresponded to on the movable wallboard has one can pack into in the axle sleeve and realize the pivot of mutually rotating with the axle sleeve, and movable wallboard inside has the location structure of fixing usefulness with fixed part and bottom wallboard.

The above prior art solutions have the following drawbacks: the protective wall is only provided with a positioning structure and is connected with the inner wall of the underground passage, and the other end of the movable wallboard is not connected with the inner wall of the underground passage or is provided with a structure for supporting the movable wallboard, so that when a large stone falls down, the pressure bearing capacity of the protective wall is insufficient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a municipal works underground protecting wall has strengthened the bearing capacity of protecting wall.

The utility model aims at realizing through the following technical scheme: the utility model provides a civil engineering uses underground protective wall, includes the wallboard, and two blocks of wallboards pass through hinged joint, and the position at four angles of the lower surface after two blocks of wallboards expand is provided with stop gear, and stop gear rotates and is connected with elevating system, the wallboard lower surface is provided with fixed establishment, and fixed establishment wears to establish and is connected with locating component, and locating component's front end is fixed in the wall of tunnel both sides.

By adopting the technical scheme, the two wallboards are connected together through the hinge, the limiting mechanism, the lifting mechanism, the fixing mechanism and the positioning component are arranged on the lower surfaces of the wallboards, when the wallboards are not used, the two wallboards are folded to vacate more space for an underground construction tunnel, when the wallboards are used, the lifting mechanism is unfolded perpendicular to the wallboards, the lifting mechanism is supported on the ground of the underground tunnel, the wallboards are arranged at proper heights through the lifting mechanism, the positioning component is arranged on the lower surfaces of the wallboards, the front ends of the positioning component are fixed in the walls at two sides of the tunnel, the pressure bearing capacity of the protective wall is enhanced, the positioning component is fixed with the wallboards through the fixing mechanism on the lower surfaces of the wallboards, when the lower ends of the wallboards need to be subjected to construction through a cart or the lifting mechanism, the lifting mechanism can be retracted to the lower surfaces of, when the pressure bearing capacity of the protective wall is not large, the protective wall can be supported only by the positioning assembly.

The utility model discloses further set up to: the lifting mechanism comprises a sleeve rod which is rotatably connected with the limiting mechanism, the sleeve rod is hollow and cylindrical, the lower end of the sleeve rod is provided with an opening, a screw rod sleeve is connected with the inner thread of the sleeve rod, a screw rod which is in threaded fit with the screw rod sleeve is arranged in the screw rod sleeve, and a base is rotatably installed at the lower end of the screw rod.

By adopting the technical scheme, the lifting mechanism drives the wallboard to ascend by the following mode, firstly, the screw rod sleeve is rotated, the screw rod sleeve is screwed out from the sleeve rod, then, the screw rod is screwed out from the screw rod sleeve along the thread, and then, the four bases are installed on the ground.

The utility model discloses further set up to: the screw rod is characterized in that a first annular boss is arranged on the inner side wall of the lower end of the sleeve rod, the first annular boss is in threaded fit with the screw rod sleeve, a second annular boss is arranged on the outer side wall of the upper end of the screw rod sleeve, the diameter of the second annular boss is larger than that of the first annular boss, a third annular boss is arranged on the inner side wall of the lower end of the screw rod sleeve, the third annular boss is in threaded fit with the screw rod, a fourth annular boss is arranged on the outer side wall of the upper end of the screw rod, and the diameter of the fourth annular boss is.

Through adopting above-mentioned technical scheme, when needs are with screw rod cover furthest from the loop bar when unscrewing, set up first annular boss and second annular boss respectively in the upper end of loop bar lower extreme and screw rod cover, make two bosss support tightly mutually, prevent that screw rod cover and loop bar from separately, when needs are with screw rod furthest from the screw rod cover unscrewing, set up third annular boss and fourth annular boss respectively in the upper end of screw rod cover lower extreme and lead screw, make two bosss support tightly mutually, prevent that lead screw and screw rod cover from separately.

The utility model discloses further set up to: the lower extreme of lead screw is provided with the polished rod, and the bearing is installed to the bottom of polished rod, and the bearing nestification is in the base, and drive assembly is installed to the upper end of base, and drive assembly drives the lead screw and rotates.

Through adopting above-mentioned technical scheme, can directly support subaerial in the tunnel after the elevating system perpendicular to wallboard expandes, need not rotate out with screw rod cover and lead screw one earlier, through rotating the lead screw and installing in the base to be provided with drive assembly in the top of base, just can drive the lead screw through drive assembly and rotate, realize that the lead screw is at the screw rod cover, and the screw rod cover goes up and down in the loop bar.

The utility model discloses further set up to: the drive assembly comprises a first gear fixed on the polished rod, a fixed rod is fixedly connected to the upper end of the base, a second gear is rotatably connected to the upper end of the fixed rod, the second gear is meshed with the first gear, and the upper end face of the second gear is connected with a hand-operated rod.

Through adopting above-mentioned technical scheme, the upper end fixed mounting of polished rod has first gear, and the upper end fixedly connected with dead lever of base, the upper end of dead lever are rotated and are connected with the second gear, and first gear and second gear meshing through gear drive, drive lead screw is at the base internal rotation, realize elevating system's lift process.

The utility model discloses further set up to: the limiting mechanism comprises two limiting plates which are arranged on the lower surface of the wallboard in parallel, a gap is reserved between the limiting plates, the loop bar is rotatably connected with the two limiting plates through pins, positioning holes are formed in the limiting plates, the positioning holes are distributed in a fan shape by taking the pins as circle centers, limiting holes are formed in the loop bar, and bolts penetrate through the positioning holes and the limiting holes and are locked by nuts.

Through adopting above-mentioned technical scheme, stop gear sets up to two limiting plates of parallel arrangement at the wallboard lower surface, and the loop bar is installed in the centre of two limiting plates, and the loop bar rotates with the limiting plate to be connected, still is provided with two locating holes on the limiting plate, fixes it when elevating system withdraws on the wallboard lower surface respectively to and fix it when elevating system perpendicular to wallboard expandes.

The utility model discloses further set up to: the fixing mechanism comprises a plurality of sleeves which are arranged on the lower surface of the wallboard in parallel, a plurality of fixing pieces are arranged at the rear ends of the sleeves in an extending mode, and the positioning assembly is arranged between the sleeves and the fixing pieces in a penetrating mode.

Through adopting above-mentioned technical scheme, the lower surface parallel arrangement of wallboard has a plurality of sleeves, and locating component wears to establish in the sleeve to locating component's the other end passes through the mounting and fixes the lower surface at the wallboard.

The utility model discloses further set up to: the positioning assembly comprises a guide rod arranged in the sleeve in a penetrating mode, the guide rod can slide in the sleeve, one end, extending out of the wallboard, of the guide rod is provided with a positioning piece, and the positioning piece is installed on the wall.

Through adopting above-mentioned technical scheme, the sleeve can be stretched out to the front end of guide arm, and the setting element that the front end of guide arm set up can be fixed on the wall in tunnel under the application of external force, has increased the stability of protecting wall, when needing to have the shallow to pass through below the wallboard in addition, can draw in elevating system in, retrieve the lower surface at the wallboard, only rely on the mounting to fix on the wall, also can keep the stability of protecting wall.

The utility model discloses further set up to: the positioning piece comprises a steel nail or a sucker.

Through adopting above-mentioned technical scheme, can realize having a lot of with the kind of the fixed mounting of wall, steel nail or sucking disc are two kinds of wherein only.

To sum up, the utility model discloses a beneficial technological effect does:

1. the wall boards are connected together through the hinge, the limiting mechanism, the lifting mechanism, the fixing mechanism and the positioning assembly are arranged on the lower surfaces of the wall boards, when the wall boards are not used, the two wall boards can be folded to vacate more space for an underground construction tunnel, when the wall boards are used, the lifting mechanism is unfolded perpendicular to the wall boards, the lifting mechanism is supported on the ground of the underground tunnel, the wall boards are arranged at proper height through the lifting mechanism, the positioning assembly is arranged on the lower surfaces of the wall boards, the front ends of the positioning assemblies are fixed in the walls on two sides of the tunnel, the pressure bearing capacity of the protective wall is enhanced, the positioning assembly is fixed with the wall boards through the fixing mechanism on the lower surfaces of the wall boards, when the lower ends of the wall boards need to be subjected to construction through a cart or the lifting mechanism, the lifting mechanism can be retracted to the lower surfaces of the wall boards, the lifting mechanism is fixed through, the protective wall can be supported only by the positioning component;

2. the maximum extension length of the lifting mechanism is the sum of the lengths of the loop bar, the screw rod sleeve and the screw rod, and when the underground tunnel with higher height is constructed, the protection wall can be well competent, the smaller the height of the protection wall plate from the top of the tunnel is, the smaller the impact force of broken stones falling to the wall plate is, and the more stable the protection wall is.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the elevating mechanism.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure, 1, wall panel; 2. a hinge; 3. a limiting mechanism; 4. a drive assembly; 5. a limiting plate; 6. positioning holes; 7. a limiting hole; 8. a lifting mechanism; 9. a base; 10. a sleeve; 11. a fixing member; 12. a guide bar; 13. a positioning member; 14. a fixing mechanism; 15. a positioning assembly; 16. a loop bar; 17. a screw rod sleeve; 18. a lead screw; 19. a first annular boss; 20. a first gear; 21. fixing the rod; 22. a third annular boss; 23. a second gear; 24. a second annular boss; 25. a fourth annular boss; 26. a polish rod; 27. a bearing; 28. a hand lever.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a municipal works underground protective wall, including two blocks of wallboards 1, the both ends of 1 lower surface of two blocks of wallboards are passed through hinge 2 and are connected, the position at four angles after 1 expandes of two blocks of wallboards is provided with stop gear 3, stop gear 3 rotates and is connected with elevating system 8, elevating system 8's lower extreme rotates and installs base 9, when 8 expandes of elevating system perpendicular to wallboard 1, base 9 supports puts subaerial, the middle part position parallel arrangement of 1 lower surface of wallboard has fixing mechanism 14, fixing mechanism 14 wears to establish and is connected with locating component 15, locating component 15 can slide in fixing mechanism 14, and fix in the wall of tunnel both sides.

Referring to fig. 2, the lifting mechanism 8 includes a loop bar 16 rotatably connected to the limiting mechanism 3, the loop bar 16 is hollow and cylindrical, the lower end of the loop bar is open, a screw rod sleeve 17 is connected to the inner thread of the loop bar 16, a screw rod 18 in threaded fit with the screw rod sleeve 17 is arranged in the screw rod sleeve 17, the lower end of the screw rod 18 is rotatably mounted in the base 9, a first annular boss 19 is arranged on the inner side wall of the lower end of the loop bar 16, the first annular boss 19 is in threaded fit with the screw rod sleeve 17, a second annular boss 24 is arranged on the outer side wall of the upper end of the screw rod sleeve 17, the diameter of the second annular boss 24 is larger than that of the first annular boss 19, a third annular boss 22 is arranged on the inner side wall of the lower end of the screw rod sleeve 17, the third annular boss 22 is in threaded fit with the screw rod 18, a fourth annular boss 25 is arranged on the outer, the bottom end of the polish rod 26 is provided with a bearing 27, and the bearing 27 is nested in the base 9.

Referring to fig. 3, a driving assembly 4 is installed at the upper end of the base 9, the driving assembly 4 drives the screw 18 to rotate, the driving assembly 4 includes a first gear 20 nested at the upper end of the polish rod 26, a fixing rod 21 is fixedly installed at the upper end of the base 9, a second gear 23 is rotatably connected to the upper end of the fixing rod 21, the second gear 23 is engaged with the first gear 20, and a hand lever 28 is fixedly installed on the upper end surface of the second gear 23.

Referring to fig. 4, stop gear 3 includes two limiting plates 5 of parallel arrangement at 1 lower surface of wallboard, leaves the clearance between the limiting plate 5, and loop bar 16 rotates with two limiting plates 5 through the pin to be connected, has seted up locating hole 6 on the limiting plate 5, and locating hole 6 uses the pin as the centre of a circle, is fan-shaped distribution, has seted up spacing hole 7 on the loop bar 16, and the bolt passes locating hole 6 and spacing hole 7 to lock with the nut.

Referring to fig. 1, the fixing mechanism 14 includes a plurality of sleeves 10 fixed in parallel on the lower surface of the wall board 1, and a plurality of fixing pieces 11 are extended and disposed at the rear ends of the sleeves 10, the positioning assembly 15 is disposed between the sleeves 10 and the fixing pieces 11 in a penetrating manner, the positioning assembly 15 includes a guide rod 12 disposed in the sleeve 10 in a penetrating manner, the guide rod 12 can slide in the sleeve 10, one end of the guide rod 12 extending out of the wall board 1 is provided with a positioning piece 13, the positioning piece 13 is mounted on the wall, and the positioning piece 13 is configured as a steel.

The implementation principle of the embodiment is as follows: two wallboards 1 are connected together through a hinge 2, a limiting mechanism 3, a lifting mechanism 8, a fixing mechanism 14 and a positioning assembly 15 are all arranged on the lower surface of the wallboards 1, when the wallboards 1 are not used, the two wallboards 1 are folded to vacate more space for an underground construction tunnel, when the wallboards 1 are used, the lifting mechanism 8 is unfolded perpendicular to the wallboards 1, the lifting mechanism 8 is supported on the ground of the underground tunnel, the wallboards 1 are arranged at proper height through the lifting mechanism 8, the positioning assembly 15 is arranged on the lower surface of the wallboards 1, the front ends of the positioning assembly 15 are fixed in the walls at two sides of the tunnel, the bearing capacity of the protective wall is enhanced, the positioning assembly 15 is fixed with the wallboards 1 by the fixing mechanism 14 on the lower surface of the wallboards 1, when the lower end of the wallboards 1 needs to be subjected to construction through a cart or the lifting mechanism 8, the lifting mechanism 8 can be, the lifting mechanism 8 is fixed through the limiting mechanism 3, and when the pressure bearing capacity of the protective wall is not large, the protective wall can be supported only by the positioning assembly 15.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a municipal works are with underground protecting wall, includes wallboard (1), its characterized in that: two blocks of wallboard (1) are connected through hinge (2), and the position at four angles of the lower surface after two blocks of wallboard (1) expand is provided with stop gear (3), and stop gear (3) rotate and are connected with elevating system (8), wallboard (1) lower surface is provided with fixed establishment (14), and fixed establishment (14) are worn to establish and are connected with locating component (15), and the front end of locating component (15) is fixed in the wall of tunnel both sides.

2. The underground protective wall for municipal engineering according to claim 1, wherein: elevating system (8) include with stop gear (3) rotate loop bar (16) of being connected, loop bar (16) are hollow and lower extreme open-ended cylindricly, loop bar (16) internal thread connection has screw rod cover (17), is provided with in screw rod cover (17) with its screw-thread fit's lead screw (18), base (9) are installed in the lower extreme rotation of lead screw (18).

3. The underground protective wall for municipal engineering according to claim 2, wherein: be provided with first annular boss (19) on loop bar (16) lower extreme inside wall, first annular boss (19) and lead screw cover (17) screw-thread fit, be provided with second annular boss (24) on lead screw cover (17) upper end outside wall, the diameter of second annular boss (24) is greater than first annular boss (19), be provided with third annular boss (22) on lead screw cover (17) lower extreme inside wall, third annular boss (22) and lead screw (18) screw-thread fit are provided with fourth annular boss (25) on the upper end outside wall of lead screw (18), and the diameter of fourth annular boss (25) is greater than the diameter of third annular boss (22).

4. The underground protective wall for municipal engineering according to claim 3, wherein: the lower extreme of lead screw (18) is connected with polished rod (26), and bearing (27) are installed to the bottom of polished rod (26), and nested in base (9) bearing (27), and drive assembly (4) are installed to the upper end of base (9), and drive assembly (4) drive lead screw (18) rotate.

5. The underground protective wall for municipal engineering according to claim 4, wherein: drive assembly (4) are including being fixed in first gear (20) of polished rod (26), base (9) upper end fixedly connected with dead lever (21), and the upper end of dead lever (21) is rotated and is connected with second gear (23), second gear (23) and first gear (20) meshing, and the up end of second gear (23) is connected with hand lever (28).

6. The underground protective wall for municipal engineering according to claim 2, wherein: stop gear (3) are including two limiting plates (5) of parallel arrangement at wallboard (1) lower surface, leave the clearance between limiting plate (5), and loop bar (16) are rotated with two limiting plates (5) through the pin and are connected, have seted up locating hole (6) on limiting plate (5), and locating hole (6) use the pin as the centre of a circle, are fan-shaped distribution, have seted up spacing hole (7) on loop bar (16), and the bolt passes locating hole (6) and spacing hole (7) to lock with the nut.

7. The underground protective wall for municipal engineering according to claim 1, wherein: fixing mechanism (14) are including parallel arrangement at a plurality of sleeves (10) of wallboard (1) lower surface, extend at sleeve (10) rear end and be provided with several mounting (11), and locating component (15) wear to establish between sleeve (10) and mounting (11).

8. The underground protective wall for municipal engineering according to claim 7, wherein: the positioning assembly (15) comprises a guide rod (12) arranged in the sleeve (10) in a penetrating mode, the guide rod (12) can slide in the sleeve (10), a positioning piece (13) is arranged at one end, extending out of the wallboard (1), of the guide rod (12), and the positioning piece (13) is installed on the wall.

9. The underground protective wall for municipal engineering according to claim 8, wherein: the positioning piece (13) comprises a steel nail or a sucker.