CN216205734U - Protection mechanism for be used for foundation ditch blasting - Google Patents
Protection mechanism for be used for foundation ditch blasting Download PDFInfo
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- CN216205734U CN216205734U CN202122338569.7U CN202122338569U CN216205734U CN 216205734 U CN216205734 U CN 216205734U CN 202122338569 U CN202122338569 U CN 202122338569U CN 216205734 U CN216205734 U CN 216205734U
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Abstract
The utility model belongs to the technical field of blasting protection equipment, and particularly relates to a protection mechanism for foundation pit blasting, which comprises a covering assembly and a buffering support mechanism, wherein the covering assembly comprises a covering frame and a quilt arranged on the covering frame; the buffer support mechanism is used for being installed in the foundation pit and comprises an adjustable support mechanism and an elastic buffer mechanism; the adjustable supporting mechanism comprises a supporting seat which is of a cavity structure, a bidirectional adjustable mechanism and a positioning supporting piece, wherein the bidirectional adjustable mechanism is horizontally arranged on the supporting seat, the positioning supporting piece is arranged at an adjusting end of the bidirectional adjustable mechanism, and the elastic buffering mechanism comprises an elastic buffering mechanism I and an elastic buffering mechanism II.
Description
Technical Field
The utility model belongs to the technical field of blasting protection equipment, and particularly relates to a protection mechanism for foundation pit blasting.
Background
The foundation pit engineering of the foundation pit mainly comprises design and construction of a foundation pit supporting system and earth excavation, and is a system engineering with strong comprehensiveness, and a constructor needs to blast the foundation pit on a foundation pit construction ground.
In order to guarantee the safe operation of foundation pit blasting, need set up protector on the foundation pit, current protector is at the in-process that uses, and support stability and use flexibility are relatively poor, and the blasting strikes violently and causes the device damage, has certain potential safety hazard when using.
Disclosure of Invention
The utility model aims to provide a protection mechanism for foundation pit blasting.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the protection mechanism for blasting the foundation pit comprises a covering assembly and a buffer supporting mechanism, wherein the covering assembly comprises a covering frame and a blasting blanket arranged on the covering frame, and the covering assembly is used for covering the upper part of the foundation pit;
the buffer support mechanism is used for being installed in a foundation pit and comprises an adjustable support mechanism and an elastic buffer mechanism; the adjustable supporting mechanism comprises a supporting seat which is of a cavity structure, a bidirectional adjustable mechanism and a positioning supporting piece, the bidirectional adjustable mechanism is horizontally arranged on the supporting seat, the positioning supporting piece is arranged at an adjusting end of the bidirectional adjustable mechanism, the end part of the positioning supporting piece is used for extending into a positioning hole drilled in the side wall of the foundation pit, and the elastic buffer mechanism comprises an elastic buffer mechanism I and an elastic buffer mechanism II;
the first elastic buffer mechanism comprises a plurality of linear elastic buffer assemblies, one end of each linear elastic buffer assembly is connected with the upper end of the supporting seat, and the other end of each linear elastic buffer assembly is connected with the lower end of the covering frame;
the elastic buffer mechanism II comprises a transverse guide rod and a supporting buffer assembly which is symmetrically distributed, and each supporting buffer assembly comprises an elastic assembly, a sliding support and a support rod, the transverse guide rod is horizontally arranged at the upper end of the supporting seat, the elastic assembly is sleeved on the transverse guide rod, the sliding support is slidably arranged on the transverse guide rod, one end of the elastic assembly is connected with the side end of the sliding support, the other end of the elastic assembly is connected with a limiting flange on the transverse guide rod, one end of the support rod is hinged to the sliding support, and the other end of the support rod is hinged to a hinged support arranged at the lower end of the covering frame.
Preferably, the bidirectional adjustable mechanism comprises an adjusting hand wheel, an adjusting shaft, a reversing transmission assembly, bidirectional lead screws, transverse sliding seats and a support frame, the bidirectional lead screws are horizontally and rotatably arranged in the support seats, the two transverse sliding seats are symmetrically and threadedly arranged on the bidirectional lead screws and are in sliding fit with the support seats, the support frame is arranged at the side end of the transverse sliding seats, penetrates through the end part of the support seats and extends to the side of the support seats, and the positioning support piece is arranged at the end part of the support frame;
the vertical rotation of regulating spindle is installed in the upper end of supporting seat, and the tip runs through to the supporting seat in, the end connection of switching-over drive assembly one end and regulating spindle, the other end is connected with the middle section of two-way lead screw, adjusting hand wheel installs the other end at the regulating spindle.
Preferably, the linear elastic buffer assembly comprises two sections of support rods and a buffer spring arranged between the two sections of support rods, the upper end of the support rod positioned above is connected with the lower end of the covering frame, and the support rod positioned below is connected with the end part of the upper end face of the support seat.
Preferably, the lateral protection assembly is arranged above the foundation pit and positioned at the periphery of the covering assembly and used for enclosing the covering assembly, and the lateral protection assembly comprises a lateral protection frame and a quilt arranged on the inner side of the lateral protection frame.
Preferably, the adjusting hand wheel is sleeved with an anti-skid rubber sleeve.
Preferably, the reversing transmission assembly comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is installed at the end part of the adjusting shaft, and the second bevel gear is installed at the middle section of the bidirectional screw rod.
Has the advantages that: when the lateral protection device is used, positioning holes for the positioning support members to extend into are firstly drilled in the side wall of a foundation pit, then the lateral protection device is installed in the foundation pit, when the lateral protection device is installed, the covering frame is overlapped above the foundation pit, workers manually rotate the adjusting hand wheel, the two lateral sliding bases are driven to move towards the direction away from each other through the adjusting shaft, the reversing transmission assembly and the bidirectional lead screw, the lateral sliding bases drive the positioning support members at the end parts of the supporting frames to extend into the positioning holes when moving, then the cannons are covered and tied on the covering frame, and then the lateral protection assemblies are orderly installed above the foundation pit and are positioned at the periphery of the covering assemblies;
when blasting operation is carried out, the impact force at the moment can be upwards transmitted to the covering assembly, the generated impact force can be buffered due to the existence of the elastic buffer mechanism I and the elastic buffer mechanism II, and an effective protection effect is achieved;
in addition, through setting up side direction protection component, can prevent that the rubble that the blasting produced from outwards splashing from the side, play the effect of further protection.
The utility model has stable structure, can be installed on foundation pits with different sizes, has high support stability, can effectively buffer the generated impact force when the foundation pit blasting operation is carried out, plays a role in safe and effective protection, and ensures the safe operation of the foundation pit blasting.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
wherein: 1-foundation pit, 2-positioning hole, 3-supporting seat, 4-bidirectional screw rod, 5-adjusting hand wheel, 6-adjusting shaft, 7-bevel gear I, 8-bevel gear II, 9-transverse sliding seat, 10-supporting seat, 11-positioning supporting piece, 12-covering frame, 13-quilt, 14-linear elastic buffer component, 15-transverse guide rod, 16-elastic component, 17-sliding support seat, 18-hinged seat, 19-supporting rod and 20-lateral protection frame.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 and 2, the protection mechanism for foundation pit blasting comprises a covering assembly and a buffer supporting mechanism, wherein the covering assembly comprises a covering frame 12 and a blasting cap 13 arranged on the covering frame 12, and the covering assembly is used for covering the upper part of a foundation pit 1;
the buffer support mechanism is used for being installed in the foundation pit 1 and comprises an adjustable support mechanism and an elastic buffer mechanism; the adjustable supporting mechanism comprises a supporting seat 3 which is of a cavity structure, a two-way adjustable mechanism and a positioning supporting piece 11, the two-way adjustable mechanism is horizontally arranged on the supporting seat 3, the positioning supporting piece 11 is arranged at an adjusting end of the two-way adjustable mechanism, the end part of the positioning supporting piece 11 is used for extending into a positioning hole drilled in the side wall of the foundation pit 1, and the elastic buffering mechanism comprises an elastic buffering mechanism I and an elastic buffering mechanism II;
the first elastic buffer mechanism comprises a plurality of linear elastic buffer assemblies 14, one end of each linear elastic buffer assembly 14 is connected with the upper end of the support base 3, and the other end of each linear elastic buffer assembly 14 is connected with the lower end of the covering frame 12;
elastic buffer mechanism two includes the support buffering subassembly of horizontal guide arm 15 and symmetric distribution, every support buffering subassembly and all include elastic component 16, sliding support 17 and vaulting pole 19, horizontal guide arm 15 horizontal installation is in supporting seat 3 upper end, elastic component 16 covers and establishes on horizontal guide arm 15, sliding support 17 slidable mounting is on horizontal guide arm 15, and elastic component 16 one end is connected with sliding support 17's side, and the other end is connected with the spacing flange on the horizontal guide arm 15, vaulting pole 19 one end is articulated with sliding support 17, and the other end is articulated with the free bearing 18 that sets up at the lower extreme of cover frame 12.
In this embodiment, the bidirectional adjustable mechanism comprises an adjusting hand wheel 5, an adjusting shaft 6, a reversing transmission assembly, a bidirectional screw rod 4, two lateral sliding seats 9 and a support frame 10, the bidirectional screw rod 4 is horizontally and rotatably installed in the support seat 3, the two lateral sliding seats 9 are symmetrically and threadedly installed on the bidirectional screw rod 4 and are in sliding fit with the support seat 3, the support frame 10 is installed at the side end of the lateral sliding seat 9, penetrates through the end of the support seat 3 and extends to the side of the support seat 3, and the positioning support 11 is arranged at the end of the support frame 10;
the vertical rotation of regulating spindle 6 is installed in the upper end of supporting seat 3, and the tip runs through to the supporting seat 3 in, the end connection of switching-over drive assembly one end and regulating spindle 6, the other end is connected with the middle section of two-way lead screw 4, adjusting hand wheel 5 installs the other end at regulating spindle 6.
In this embodiment, the linear elastic buffer assembly 14 includes two support rods and a buffer spring disposed between the two support rods, the upper end of the upper support rod is connected to the lower end of the cover frame 12, and the lower support rod is connected to the end of the upper end surface of the support base 3.
In this embodiment, the lateral protection assembly is further included, and the lateral protection assembly is installed above the foundation pit 1 and located at the periphery of the covering assembly and used for enclosing the covering assembly, and the lateral protection assembly comprises a lateral protection frame 20 and a quilt 13 arranged on the inner side of the lateral protection frame 20.
In this embodiment, the adjusting handwheel 5 is sleeved with an anti-skid rubber sleeve.
In the embodiment, the reversing transmission assembly comprises a first bevel gear 7 and a second bevel gear 8 which are meshed with each other, the first bevel gear 7 is installed at the end part of the adjusting shaft 6, and the second bevel gear 8 is installed at the middle section of the bidirectional screw rod 4.
When the lateral protection device is used, positioning holes for the positioning support pieces 11 to extend into are firstly drilled in the side wall of a foundation pit 1, then the lateral protection device is installed in the foundation pit 1, during installation, a covering frame 12 is lapped above the foundation pit 1, a worker manually rotates an adjusting hand wheel 5, two lateral sliding bases 9 are driven to move towards the direction far away from each other through an adjusting shaft 6, a reversing transmission assembly and a bidirectional screw rod 4, the lateral sliding bases 9 drive the positioning support pieces 11 at the ends of support frames 10 to extend into the positioning holes during movement, then cannons are covered and tied on the covering frame 12 by a cover 13, and then lateral protection assemblies are orderly installed above the foundation pit 1 and are positioned at the periphery of the covering assemblies;
the adjustable supporting mechanism can be suitable for being installed in foundation pits 1 with different sizes;
when blasting operation is carried out, the impact force at the moment can be upwards transmitted to the covering assembly, the generated impact force can be buffered due to the existence of the elastic buffer mechanism I and the elastic buffer mechanism II, and an effective protection effect is achieved;
in addition, through setting up side direction protection component, can prevent that the rubble that the blasting produced from outwards splashing from the side, play the effect of further protection.
The utility model has stable structure, can be installed on foundation pits with different sizes, has high support stability, can effectively buffer the generated impact force when the foundation pit blasting operation is carried out, plays a role in safe and effective protection, and ensures the safe operation of the foundation pit blasting.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A protection mechanism for foundation pit blasting comprises a covering assembly and a buffer supporting mechanism, and is characterized in that the covering assembly comprises a covering frame (12) and a blasting cover (13) arranged on the covering frame (12), and the covering assembly is used for covering the upper part of a foundation pit (1);
the buffer support mechanism is used for being installed in a foundation pit (1), and comprises an adjustable support mechanism and an elastic buffer mechanism; the adjustable supporting mechanism comprises a supporting seat (3) with a cavity structure, a two-way adjustable mechanism and a positioning supporting piece (11), the two-way adjustable mechanism is horizontally arranged on the supporting seat (3), the positioning supporting piece (11) is arranged at an adjusting end of the two-way adjustable mechanism, the end part of the positioning supporting piece (11) is used for extending into a positioning hole drilled in the side wall of the foundation pit (1), and the elastic buffering mechanism comprises an elastic buffering mechanism I and an elastic buffering mechanism II;
the first elastic buffer mechanism comprises a plurality of linear elastic buffer assemblies (14), one end of each linear elastic buffer assembly (14) is connected with the upper end of the supporting seat (3), and the other end of each linear elastic buffer assembly (14) is connected with the lower end of the covering frame (12);
elastic buffer mechanism two includes horizontal guide arm (15) and symmetric distribution's support buffering subassembly, every support buffering subassembly and all include elastic component (16), sliding support (17) and vaulting pole (19), horizontal guide arm (15) horizontal installation is in supporting seat (3) upper end, elastic component (16) cover is established on horizontal guide arm (15), sliding support (17) slidable mounting is on horizontal guide arm (15), and elastic component (16) one end is connected with the side of sliding support (17), and the other end is connected with the spacing flange on horizontal guide arm (15), vaulting pole (19) one end is articulated with sliding support (17), and the other end is articulated with hinge seat (18) that set up at the cover frame (12) lower extreme.
2. The protection mechanism for foundation pit blasting according to claim 1, wherein the bidirectional adjustable mechanism comprises an adjusting hand wheel (5), an adjusting shaft (6), a reversing transmission assembly, a bidirectional screw (4), two lateral sliding seats (9) and a support frame (10), the bidirectional screw (4) is horizontally and rotatably installed in the support seat (3), the two lateral sliding seats (9) are symmetrically and threadedly installed on the bidirectional screw (4) and are in sliding fit with the support seat (3), the support frame (10) is installed at the lateral ends of the lateral sliding seats (9), penetrates through the end parts of the support seat (3) and extends to the lateral side of the support seat (3), and the positioning support (11) is arranged at the end part of the support frame (10);
the vertical rotation of regulating spindle (6) is installed in the upper end of supporting seat (3), and the tip runs through to supporting seat (3), the end connection of switching-over transmission assembly one end and regulating spindle (6), the other end is connected with the middle section of two-way lead screw (4), the other end at regulating spindle (6) is installed in adjusting hand wheel (5).
3. The protection mechanism for foundation pit blasting according to claim 1, wherein the linear elastic buffer assembly (14) comprises two support rods and a buffer spring arranged between the two support rods, the upper end of the upper support rod is connected with the lower end of the covering frame (12), and the lower support rod is connected with the end of the upper end surface of the supporting seat (3).
4. A protection mechanism for foundation pit blasting according to claim 1, characterized by further comprising a lateral protection assembly mounted above the foundation pit (1) and at the periphery of the covering assembly for enclosing the covering assembly, the lateral protection assembly comprising a lateral protection frame (20) and a quilt (13) arranged inside the lateral protection frame (20).
5. The protection mechanism for foundation pit blasting according to claim 2, wherein the adjusting hand wheel (5) is sleeved with an anti-slip rubber sleeve.
6. The protection mechanism for foundation pit blasting according to claim 2, wherein the reversing transmission assembly comprises a first bevel gear (7) and a second bevel gear (8) which are meshed with each other, the first bevel gear (7) is installed at the end part of the adjusting shaft (6), and the second bevel gear (8) is installed at the middle section of the bidirectional screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122338569.7U CN216205734U (en) | 2021-09-26 | 2021-09-26 | Protection mechanism for be used for foundation ditch blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122338569.7U CN216205734U (en) | 2021-09-26 | 2021-09-26 | Protection mechanism for be used for foundation ditch blasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216205734U true CN216205734U (en) | 2022-04-05 |
Family
ID=80922651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122338569.7U Active CN216205734U (en) | 2021-09-26 | 2021-09-26 | Protection mechanism for be used for foundation ditch blasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216205734U (en) |
-
2021
- 2021-09-26 CN CN202122338569.7U patent/CN216205734U/en active Active
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