CN210087347U

CN210087347U - Tunnel construction protector

Info

Publication number: CN210087347U
Application number: CN201921080825.3U
Authority: CN
Inventors: 陈永志
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-02-18
Anticipated expiration: 2029-07-11

Abstract

The utility model belongs to the technical field of building construction, and discloses a tunnel construction protective device, which comprises a supporting frame, wherein first mounting plates are respectively arranged at two ends of the bottom of the supporting frame, a second mounting plate is connected with the bottom of the first mounting plate, a hydraulic rod is fixed at the bottom of the second mounting plate, a hydraulic cylinder is arranged at one end of the hydraulic rod far away from the second mounting plate, the bottom of the hydraulic cylinder is fixedly connected with a base through a bolt, a clamping groove is arranged at the top of the second mounting plate, a clamping column matched with the clamping groove is arranged at the bottom of the first mounting plate, the utility model discloses a reset spring contracts by pressing the clamping block, then the clamping column is inserted into the clamping groove, a limiting block moves in a cavity groove under the action of the reset spring, the clamping block extends out of the second mounting plate through a through hole to complete fixation, and simultaneously, the clamping block, can separate fast, easy operation is convenient.

Description

Tunnel construction protector

Technical Field

The utility model belongs to the technical field of the construction, concretely relates to tunnel construction protector.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place, and comprises basic engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like, and the construction operation place is called a building construction site or a construction site, and is also called a construction site.

In chinese patent with patent number CN201820635433.8, an interim protector in tunnel is disclosed, this patent is connected through the integration that two mounting panels of bolt fastening accomplished the device, but in the in-service use process, because the quantity that needs place protector in the tunnel is more, it is loaded down with trivial details not only to install through bolted connection, inconvenient dismantlement simultaneously, waste time, in addition, this patent is at the in-process that uses, the stone or the earth that drop on the support frame can constantly strike the device, lead to the stability performance variation of device, cause the loose deformation of structure easily for a long time, thereby influence the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunnel construction protector to loaded down with trivial details and being difficult to dismantle when solving the installation that proposes in the above-mentioned background art, and loose deformation appears easily in the device, poor stability's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a tunnel construction protection device comprises a support frame, wherein both ends of the bottom of the support frame are provided with first mounting plates, the bottom of the first mounting plate is connected with a second mounting plate, a hydraulic rod is fixed at the bottom of the second mounting plate, a hydraulic cylinder is arranged at one end of the hydraulic rod far away from the second mounting plate, the bottom of the hydraulic cylinder is fixedly connected with a base through a bolt, the top of the second mounting plate is provided with a clamping groove, the bottom of the first mounting plate is provided with a clamping column matched with the clamping groove, a cavity groove is arranged at the bottom of the clamping column, a return spring is arranged in the cavity groove, a limit block is arranged at one end of the return spring, one side that reset spring was kept away from to the stopper is fixed with the fixture block, the one end that the stopper was kept away from to the fixture block extends to the outside of second mounting panel, and the lateral wall of second mounting panel seted up with fixture block assorted through-hole.

Preferably, the bottom of base is fixed with the connecting rod, the base is installed to the bottom of connecting rod, and the position department cover that the outer wall of connecting rod is located between base and the base is equipped with first spring, the connecting rod extends to the inside one end of base and installs the piston, the bottom of piston is fixed with the second spring, and the piston is connected through the inside bottom of second spring with the base.

Preferably, the outer wall of pneumatic cylinder installs the safety cover, the top of safety cover is seted up with hydraulic stem assorted notch.

Preferably, the outer wall of the piston is provided with a rubber pad, and the outer wall of the rubber pad is provided with an anti-skid groove.

Preferably, the foot pad is installed to the bottom of base, the outer wall of foot pad is provided with the arch.

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

(1) the utility model discloses a press the fixture block and make reset spring take place to shrink, then in inserting the draw-in groove with the card post, make the stopper remove in the chamber inslot under reset spring's effect to make the fixture block stretch out the second mounting panel through the through-hole and accomplish fixedly, through pressing the fixture block under reset spring's effect simultaneously, can separate fast, easy operation is convenient.

(2) The utility model discloses a piston on the base drives the connecting rod removes at the base, and then first spring takes place the compression with the equal atress of second spring, when stone or earth constantly drop cause the impact on the support frame, can weaken the vibration range through the cushioning effect of first spring and second spring to reduce the impact force degree, improved the stability of device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the first mounting plate and the second mounting plate of the present invention when they are connected;

FIG. 3 is a schematic view of the internal structure of the base of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

in the figure: 1-a support frame; 2-a first mounting plate; 3-a second mounting plate; 4-clamping blocks; 5-a hydraulic rod; 6-hydraulic cylinder; 7-a protective cover; 8-a base; 9-a foot pad; 10-a connecting rod; 11-a first spring; 12-a base; 13-a piston; 14-a second spring; 15-rubber pad; 16-a via hole; 17-cavity groove; 18-a card slot; 19-a return spring; 20-clamping column; 21-a limiting block.

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. 1-4, the present invention provides the following technical solutions: a tunnel construction protection device comprises a support frame 1, wherein a protective net is arranged on the support frame 1, so that stones or soil are prevented from directly falling down and injuring workers by smashing, first mounting plates 2 are respectively arranged at two ends of the bottom of the support frame 1, a second mounting plate 3 is connected to the bottom of the first mounting plate 2, a hydraulic rod 5 is fixed to the bottom of the second mounting plate 3, a hydraulic cylinder 6 is arranged at one end, far away from the second mounting plate 3, of the hydraulic rod 5, the hydraulic rod 5 is driven to lift through the hydraulic cylinder 6, so that the support frame 1 can lift and further be adjusted according to the height of a tunnel, a base 8 is fixedly connected to the bottom of the hydraulic cylinder 6 through a bolt, a clamping groove 18 is formed in the top of the second mounting plate 3, a clamping column 20 matched with the clamping groove 18 is arranged at the bottom of the first mounting plate 2, a cavity groove, stopper 21 is installed to reset spring 19's one end, one side that reset spring 19 was kept away from to stopper 21 is fixed with fixture block 4, the one end that stopper 21 was kept away from to fixture block 4 extends to the outside of second mounting panel 3, and the lateral wall of second mounting panel 3 seted up with fixture block 4 assorted through-hole 16, make reset spring 19 take place the shrink through pressing fixture block 4, then will block post 20 and insert in the draw-in groove 18, make stopper 21 remove in chamber groove 17 under reset spring 19's effect, and make fixture block 4 stretch out second mounting panel 3 through-hole 16 and accomplish fixedly, simultaneously through pressing fixture block 4 under reset spring 19's effect, can separate fast, and the operation is simple and convenient.

Further, base 8's bottom is fixed with connecting rod 10, base 12 is installed to connecting rod 10's bottom, and position department cover that the outer wall of connecting rod 10 is located between base 8 and the base 12 is equipped with first spring 11, piston 13 is installed to the inside one end that connecting rod 10 extends to base 12, piston 13's bottom is fixed with second spring 14, and piston 13 is connected with base 12's inside bottom through second spring 14, piston 13 on driving connecting rod 10 through base 8 removes at base 12, then compression takes place for first spring 11 and the equal atress of second spring 14, when stone or earth constantly drop and cause the impact on support frame 1, can weaken the vibration range through first spring 11 and second spring 14's cushioning effect, thereby reduce the impact force, the stability of device has been improved.

Further, safety cover 7 is installed to pneumatic cylinder 6's outer wall, and safety cover 7 can play the effect of protection to pneumatic cylinder 6, and the top of safety cover 7 has been seted up with 5 assorted notches of hydraulic stem.

Specifically, the outer wall of the piston 13 is provided with a rubber pad 15, the rubber pad 15 can enable the piston 13 to be tightly attached to the inner wall of the base 12, so that the piston 13 is prevented from sliding randomly, and the outer wall of the rubber pad 15 is provided with an anti-sliding groove.

Specifically, callus on the sole 9 is installed to the bottom of base 12, and callus on the sole 9 plays firm skid-proof effect to take place to rock when preventing device uses, the outer wall of callus on the sole 9 is provided with the arch.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the reset spring 19 is contracted by pressing the fixture block 4, then the clamp column 20 is inserted into the clamp groove 18, the stopper 21 is moved in the cavity groove 17 under the action of the reset spring 19, and the fixture block 4 is extended out of the second mounting plate 3 through the through hole 16 to complete fixation, meanwhile, the fixture block 4 is pressed under the action of the reset spring 19 to be quickly separated, the operation is simple and convenient, then the hydraulic cylinder 6 is used for driving the hydraulic rod 5 to lift, thereby realizing the lifting of the support frame 1, further the adjustment can be carried out according to the height of the tunnel, the piston 13 on the connecting rod 10 is driven by the base 8 to move on the base 12, then the first spring 11 and the second spring 14 are stressed and compressed, when stones or earth continuously fall on the support frame 1 to cause impact, the vibration amplitude can be weakened through the buffer action of the first spring 11 and the second spring 14, thereby reducing the impact force and improving the stability of the device.

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

Claims

1. The utility model provides a tunnel construction protector which characterized in that: the clamping device comprises a support frame (1), wherein first mounting plates (2) are installed at two ends of the bottom of the support frame (1), a second mounting plate (3) is connected to the bottom of the first mounting plate (2), a hydraulic rod (5) is fixed to the bottom of the second mounting plate (3), a hydraulic cylinder (6) is installed at one end, away from the second mounting plate (3), of the hydraulic rod (5), a base (8) is fixedly connected to the bottom of the hydraulic cylinder (6) through bolts, a clamping groove (18) is formed in the top of the second mounting plate (3), a clamping column (20) matched with the clamping groove (18) is installed at the bottom of the first mounting plate (2), a cavity groove (17) is formed in the bottom of the clamping column (20), a reset spring (19) is installed inside the cavity groove (17), a limiting block (21) is installed at one end of the reset spring (19), and a clamping block (4) is fixed to one side, away from the reset spring, one end, far away from the limiting block (21), of the clamping block (4) extends to the outside of the second mounting plate (3), and a through hole (16) matched with the clamping block (4) is formed in the side wall of the second mounting plate (3).

2. A tunnel construction guard according to claim 1, characterised in that: the bottom of base (8) is fixed with connecting rod (10), base (12) are installed to the bottom of connecting rod (10), and the position department cover that the outer wall of connecting rod (10) is located between base (8) and base (12) is equipped with first spring (11), piston (13) are installed to the one end that connecting rod (10) extend to base (12) inside, the bottom of piston (13) is fixed with second spring (14), and piston (13) are connected through the inside bottom of second spring (14) with base (12).

3. A tunnel construction guard according to claim 1, characterised in that: the outer wall of pneumatic cylinder (6) is installed safety cover (7), the top of safety cover (7) seted up with hydraulic stem (5) assorted notch.

4. A tunnel construction guard according to claim 2, characterised in that: the outer wall of the piston (13) is provided with a rubber pad (15), and the outer wall of the rubber pad (15) is provided with an anti-slip groove.

5. A tunnel construction guard according to claim 2, characterised in that: foot pad (9) are installed to the bottom of base (12), the outer wall of foot pad (9) is provided with the arch.