CN203809017U - Connection limiting device for welding connecting plates in tunnel steel arches - Google Patents

Connection limiting device for welding connecting plates in tunnel steel arches Download PDF

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Publication number
CN203809017U
CN203809017U CN201420218637.3U CN201420218637U CN203809017U CN 203809017 U CN203809017 U CN 203809017U CN 201420218637 U CN201420218637 U CN 201420218637U CN 203809017 U CN203809017 U CN 203809017U
Authority
CN
China
Prior art keywords
plate
steel arch
lock
location
arch frame
Prior art date
Application number
CN201420218637.3U
Other languages
Chinese (zh)
Inventor
杨凯
张逆进
邓宗刚
林胜利
Original Assignee
中铁十二局集团第七工程有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中铁十二局集团第七工程有限公司 filed Critical 中铁十二局集团第七工程有限公司
Priority to CN201420218637.3U priority Critical patent/CN203809017U/en
Application granted granted Critical
Publication of CN203809017U publication Critical patent/CN203809017U/en

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Abstract

The utility model discloses a connection limiting device for welding connecting plates in tunnel steel arches. The connection limiting device comprises a positioning plate. Positioning posts for positioning fit with connection holes of a connecting plate are arranged on the surface of the positioning plate. Limit fasteners which are rotatable are hinged to two sides of the positioning plate respectively. The inner side of each limit fastener is provided with a fastening channel used for fastening and positioning a steel arch. A lock unit for connecting and locking the limit fasteners is disposed between the limit fasteners arranged on two sides of the positioning plate. The lock unit comprises a lock rod and a lock post; the lock rod is hinged to one limit fastener; the lock post is arranged on the other limit fastener; the end of the lock rod is provided with a lock hook used for being locked to the lock post so as to connect and lock the limit fasteners. The connection limiting device has the advantages that fixation of the steel arch and the connecting plate can be achieved, axis deviation can meet the requirement after the steel arch is connected, the connection holes of the connecting plates can be accurately aligned when two steel arches are connected, quality of the arch structure is ensured, and the connection limiting device allows firm and stable fixation and is convenient and quick to operate and simple in structure.

Description

Tunnel steel arch frame is welded to connect plate connecting limit device
Technical field
The utility model relates to construction of tunnel equipment, is specifically related to a kind of tunnel steel arch frame and is welded to connect plate connecting limit device.
Background technology
At present, when tunnel just props up in construction, i iron bow member two ends are the junction plate with connecting hole by welding, and adopts bolt to pass the connecting hole on junction plate, adjacent two i iron bow members is connected to form to the arch frame structure in tunnel.Therefore, on junction plate position, connecting hole hole to offer precision, the i iron bow member upper junction plate positioning precision when welding great to the quality influence of arch frame structure.But, at present for i iron bow member when being welded to connect plate, owing to lacking the professional equipment that i iron bow member and junction plate are fixed, when i iron bow member and junction plate welding, positioning precision is difficult to control, therefore cause and be welded to connect after plate, the relative positional accuracy of i iron bow member upper junction plate differs, and causes connecting hole to be often difficult to accurate contraposition, constructional difficulties and inefficiency when i iron bow member is installed, and affect arch frame structure quality.
Utility model content
The technical problems to be solved in the utility model is to provide a kind ofly can guarantee when the welding of steel arch frame and junction plate that steel arch frame, junction plate relative position between the two fixes, guarantee that steel arch frame connects posterior axis deviation and meets the demands, guarantee the connecting hole energy accurate contraposition of its junction plate when two steel arch framves connect, guarantee arch frame structure quality, and the tunnel steel arch frame with stable, convenient to operation, the simple in structure advantage of fixation is welded to connect plate connecting limit device.
In order to solve the problems of the technologies described above, the technical scheme that the utility model provides is:
A kind of tunnel steel arch frame is welded to connect plate connecting limit device, comprise location-plate, the surface of described location-plate is provided with for coordinate the reference column of location with the connecting hole of junction plate, the both sides of described location-plate are all hinged with rotating limiting card, and the inner side of described limiting card is provided with the draw-in groove of setting position steel arch frame for blocking.
Further, between the limiting card of the both sides of described location-plate, be provided with for two limiting cards being connected to the latch components of locking.
Further, described latch components comprises locking-bar and lock, and described locking-bar is articulated with on a limiting card, and described lock is located on another limiting card, and the end of described locking-bar is provided with for coordinating with lock the lock hook that two limiting cards is connected to locking.
Further, the both sides of described location-plate are equipped with two key seats that gap is arranged, between two key seats that described gap is arranged, are provided with latch, and described limiting card is provided with connector by one end of location-plate, and the end of described connector is sheathed on latch.
Tunnel steel arch frame of the present utility model is welded to connect plate and has following technique effect with connecting limit device: the utility model comprises location-plate, the surface of location-plate is provided with for coordinate the reference column of location with the connecting hole of junction plate, the both sides of location-plate are all hinged with rotating limiting card, the inner side of limiting card is provided with the draw-in groove of setting position steel arch frame for blocking, therefore by the lip-deep reference column of location-plate, can realize with the connecting hole of junction plate and coordinate location on the one hand, on the other hand by location-plate both sides all hinged rotating limiting card realize with the card establishing of steel arch frame and close location, thereby can when steel arch frame and junction plate welding, guarantee steel arch frame, junction plate relative position is between the two fixed, guarantee that steel arch frame connects posterior axis deviation and meets the demands, guarantee the connecting hole energy accurate contraposition of its junction plate when two steel arch framves connect, guarantee the quality of arch frame structure, there is fixation stable, convenient to operation, advantage simple in structure.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment.
Fig. 2 is that the utility model embodiment is at the structural representation of junction plate and steel arch frame state not yet in place.
Fig. 3 is the utility model embodiment at junction plate and the steel arch frame structural representation of state in place.
Fig. 4 is the utility model embodiment at two limiting cards in connecting the structural representation of locking state.
Marginal data: 1, location-plate; 11, reference column; 12, key seat; 13, latch; 2, limiting card; 21, draw-in groove; 22, locking-bar; 221, lock hook; 23, lock; 24, connector; 3, junction plate; 31, connecting hole; 4, steel arch frame.
The specific embodiment
As shown in Figure 1, the tunnel steel arch frame of the present embodiment is welded to connect plate and comprises location-plate 1 with connecting limit device, the surface of location-plate 1 is provided with the reference column 11 that coordinates location for the connecting hole 31 with junction plate 3, the both sides of location-plate 1 are all hinged with rotating limiting card 2, and the inner side of limiting card 2 is provided with the draw-in groove 21 of setting position steel arch frame 4 for blocking.The surface of the present embodiment location-plate 1 is provided with reference column 11, it is fixed that reference column 11 coordinates for the connecting hole 31 with junction plate 3, thereby can carry out relative positioning to junction plate 3, because the both sides of location-plate 1 are all hinged with rotating limiting card 2, while carrying out junction plate 3 with 4 welding of steel arch frame, by 2 pairs of steel arch framves of limiting card 4, undertaken spacing and fixing, make steel arch frame 4 relative fixing with the position between junction plate 3, can facilitate between steel arch frame 4 and junction plate 3 and carry out weld job, thereby can when welding with junction plate 3, guarantee by steel arch frame 4 steel arch frame 4, junction plate 3 relative position is between the two fixed, guarantee that steel arch frame 4 connects posterior axis deviation and meets the demands, guarantee the connecting hole 31 energy accurate contrapositions of its junction plate 3 when two steel arch framves 4 connect, guarantee the quality of arch frame structure, there is fixation stable, convenient to operation, advantage simple in structure.
In the present embodiment, location-plate 1 adopts steel plate to make, the planar dimension of location-plate 1 is provided according to the size of the junction plate 3 providing, make the planar dimension of location-plate 1 consistent with junction plate 3, and on the junction plate 3 providing according to design, the arrangement of boring holes of connecting hole 31 require to be welded 4 reference columns 11 on location-plate; Limiting card 2 adopts light-duty aluminium to make, and lighter, faster and more convenient operation, requires the width of draw-in groove 21 wide identical with the leg of steel arch frame 4 during making; After two limiting card 2 closures, the length of draw-in groove 21 is identical with the height of steel arch frame 4.
Limiting card 2 can adopt as required the mode card of interference fit to establish and be fixed on steel arch frame 4, also can between two limiting cards 2, install active connection in addition.For example, in the present embodiment, between the limiting card 2 of the both sides of location-plate 1, be provided with for two limiting cards 2 being connected to the latch components of locking, by latch components, snap close between two limiting cards 2 is locked, thereby can guarantee that the connection between junction plate 3, steel arch frame 4 is spacing more solid and reliable.
As shown in Figure 1, latch components comprises locking-bar 22 and lock 23, locking-bar 22 is articulated with on a limiting card 2, lock 23 is located on another limiting card 2, the end of locking-bar 22 is provided with for coordinating with lock 23 lock hook 221 that two limiting cards 2 is connected to locking, above-mentioned latch components simple in structure, and locking and unlocking operation all very convenient quick.
As shown in Figure 1, limiting card 2 specifically adopts pin joint mode to be arranged on the left and right sides of location-plate 1, that is: the both sides of location-plate 1 are equipped with two key seats 12 that gap is arranged, between two key seats 12 that gap is arranged, be provided with latch 13, limiting card 2 is provided with connector 24 by one end of location-plate 1, and the end of connector 24 is sheathed on latch 13.Pin joint mode slow-roll stabilization is reliable, can guarantee between the two relatively fixing of steel arch frame 4, junction plate 3, and because leaning on one end of location-plate 1, limiting card 2 is provided with connector 24, make the position of steel arch frame 4, junction plate 3 both combinations can form larger space, thereby be convenient to for both weld jobs of steel arch frame 4, junction plate 3.
The use step of the present embodiment is as follows: 1) under latch components released state, two limiting cards 2 are opened, then put into steel arch frame 4 and junction plate 3, junction plate 3 is put into along the direction of positioned parallel plate 1, and steel arch frame 4 inserts along the direction vertical with junction plate 3, and now state as shown in Figure 2.2) connecting hole of junction plate 3 31 is set on reference column 11, makes the end face of steel arch frame 4 vertically be adjacent to junction plate 3, make junction plate 3 and steel arch frame 4 in state in place, now state as shown in Figure 3.3) by 2 engagings of two limiting cards, steel arch frame 4 is fastened in draw-in groove 21, then by locking-bar 22 and lock 23, both coordinate and make two limiting cards 2 in being connected locking state (as shown in Figure 4) latch components locking, can realize between the two relatively fixing of steel arch frame 4, junction plate 3.Now, can after spot-welded operation, locking-bar 22 and lock 23 be opened carrying out spot-welded operation between steel arch frame 4, junction plate 3, make latch components release, then two limiting cards 2 are opened, can take out the steel arch frame 4 that has welded junction plate 3.
In the present embodiment, steel arch frame 4 is i iron bow member.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (4)

1. a tunnel steel arch frame is welded to connect plate connecting limit device, it is characterized in that: comprise location-plate (1), the surface of described location-plate (1) is provided with the reference column (11) that coordinates location for the connecting hole with junction plate (3) (31), the both sides of described location-plate (1) are all hinged with rotating limiting card (2), and the inner side of described limiting card (2) is provided with the draw-in groove (21) of setting position steel arch frame (4) for blocking.
2. tunnel steel arch frame according to claim 1 is welded to connect plate connecting limit device, it is characterized in that: between the limiting card (2) of the both sides of described location-plate (1), be provided with for two limiting cards (2) being connected to the latch components of locking.
3. tunnel steel arch frame according to claim 2 is welded to connect plate connecting limit device, it is characterized in that: described latch components comprises locking-bar (22) and lock (23), described locking-bar (22) is articulated with on a limiting card (2), it is upper that described lock (23) is located at another limiting card (2), and the end of described locking-bar (22) is provided with for coordinating with lock (23) lock hook (221) that two limiting cards (2) is connected to locking.
4. according to the tunnel steel arch frame described in claim 1 or 2 or 3, be welded to connect plate connecting limit device, it is characterized in that: the both sides of described location-plate (1) are equipped with two key seats (12) that gap is arranged, between two key seats (12) that described gap is arranged, be provided with latch (13), described limiting card (2) is provided with connector (24) by one end of location-plate (1), and the end of described connector (24) is sheathed on latch (13).
CN201420218637.3U 2014-04-30 2014-04-30 Connection limiting device for welding connecting plates in tunnel steel arches CN203809017U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420218637.3U CN203809017U (en) 2014-04-30 2014-04-30 Connection limiting device for welding connecting plates in tunnel steel arches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420218637.3U CN203809017U (en) 2014-04-30 2014-04-30 Connection limiting device for welding connecting plates in tunnel steel arches

Publications (1)

Publication Number Publication Date
CN203809017U true CN203809017U (en) 2014-09-03

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CN201420218637.3U CN203809017U (en) 2014-04-30 2014-04-30 Connection limiting device for welding connecting plates in tunnel steel arches

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Country Link
CN (1) CN203809017U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105545327A (en) * 2016-01-27 2016-05-04 王均 Steel frame machining normal controller
CN106218995A (en) * 2016-07-29 2016-12-14 洛阳龙门药业有限公司 A kind of medicament packing machine is with connecting otic placode
CN106640149A (en) * 2016-12-29 2017-05-10 中国人民解放军63926部队 Steel arch frame suitable for semi-automatic installation of large cross-section tunnel and installation method of steel arch frame
CN106677807A (en) * 2016-12-29 2017-05-17 中国人民解放军63926部队 Folding steel arch frame and installation method thereof
CN108386212A (en) * 2018-03-13 2018-08-10 中水北方勘测设计研究有限责任公司 Connection method of the tunnel support between steel arch-shelf unit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105545327A (en) * 2016-01-27 2016-05-04 王均 Steel frame machining normal controller
CN106218995A (en) * 2016-07-29 2016-12-14 洛阳龙门药业有限公司 A kind of medicament packing machine is with connecting otic placode
CN106640149A (en) * 2016-12-29 2017-05-10 中国人民解放军63926部队 Steel arch frame suitable for semi-automatic installation of large cross-section tunnel and installation method of steel arch frame
CN106677807A (en) * 2016-12-29 2017-05-17 中国人民解放军63926部队 Folding steel arch frame and installation method thereof
CN106677807B (en) * 2016-12-29 2018-11-27 中国人民解放军63926部队 A kind of folding steel arch and its installation method
CN108386212A (en) * 2018-03-13 2018-08-10 中水北方勘测设计研究有限责任公司 Connection method of the tunnel support between steel arch-shelf unit
CN108386212B (en) * 2018-03-13 2019-05-28 中水北方勘测设计研究有限责任公司 Connection method of the tunnel support between steel arch-shelf unit

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