CN209194554U

CN209194554U - Timber cofferdam

Info

Publication number: CN209194554U
Application number: CN201821930158.9U
Authority: CN
Inventors: 张华�; 梁亮
Original assignee: Suzhou Water Conservancy Design Research Institute Co Ltd
Current assignee: Suzhou Water Conservancy Design Research Institute Co Ltd
Priority date: 2018-11-22
Filing date: 2018-11-22
Publication date: 2019-08-02
Anticipated expiration: 2028-11-22

Abstract

The utility model discloses a kind of timber cofferdams, it applies in water conservancy construction facility field, although water blocking and earth-retaining can be played the role of by solving traditional timber cofferdam, but there is no reliable and stable connection structure between adjacent timber, the lower technical problem of the overall structural strength of timber cofferdam, its key points of the technical solution are that: including timber and the pointed cone portion that the timber bottom is arranged in；The timber is equipped at least two rows, and reinforcement assembly is equipped between the adjacent timber with arranging；The reinforcement assembly includes securing plate and reinforces pawl, and the securing plate is arranged vertically at the opposite side of two rows of timbers, and the both ends of securing plate are arranged in the reinforcing pawl, and reinforcing pawl described in both ends is staggered, and the pawl of reinforcing embraces the lateral wall for being located at timber；Having the technical effect that for having is connected adjacent timber by reinforcing pawl in securing plate, to improve the structural strength of timber cofferdam entirety.

Description

Timber cofferdam

Technical field

The utility model relates to water conservancy construction facility field, in particular to a kind of timber cofferdam.

Background technique

Timber cofferdam refers in hydraulic engineering construction, to build permanent water conservancy projects, the provisional building enclosure built. It is to prevent water and soil from building position into building that it, which is acted on, so that in timber cofferdam internal drainage, excavation pit builds building Object.

Currently, the Chinese patent that notification number is CN206941626U discloses a kind of timber cofferdam, it includes in insertion riverbed Timber and the beam that is fixed on timber, the lower end of the timber be set as cone cell, the inboard of the timber is provided with partition, Plain soil is filled between the partition, the inboard insertion river bed of the lower end edge timber of the partition, the timber side, which offers, to be added Gu notch, the reinforcing notch includes baseplane and ramp.

It is not reliable and stable between adjacent timber although this timber cofferdam can play the role of water blocking and earth-retaining Connection structure, the overall structural strength of timber cofferdam is lower.

Utility model content

The purpose of the utility model is to provide a kind of timber cofferdams, its advantage is that by reinforcing pawl in securing plate for adjacent timber It connects, to improve the structural strength of timber cofferdam entirety.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of timber cofferdam, including Timber and the pointed cone portion that the timber bottom is set；The timber is equipped at least two rows, sets between the adjacent timber with arranging There is reinforcement assembly；

The reinforcement assembly includes securing plate and reinforces pawl, and it is opposite that the securing plate is arranged vertically at two rows of timbers Side, the both ends of securing plate are arranged in the pawl of reinforcing, and reinforcing pawl described in both ends is staggered, and the reinforcings pawl armful is located at wood The lateral wall of stake.

Through the above technical solutions, pointed cone portion is inserted into riverbed convenient for timber, the reinforcing claw hook for reinforcing board ends is set to On two neighboring timber, preferably timber is linked together, to preferably improve the structural strength of timber cofferdam entirety, is made The impact force of river water can preferably be born by obtaining timber cofferdam；And securing plate can play the role of water blocking and earth-retaining；Securing plate The reinforcing pawl of two sides is staggered, convenient for adjacent securing plate can hook be set on same root timber, to easily facilitate reinforcing The installation of plate.

The utility model is further arranged to: mating groove is offered on the timber, the reinforcing pawl is fastened on mating groove In.

Through the above technical solutions, mating groove reinforces pawl for installing, reinforcing pawl is preferably bonded with timber, Cooperate with timber more stable so that reinforcing pawl, further improves the overall structural strength of adjacent timber.

The utility model is further arranged to: the timber is equipped with cross bar, and the cross bar is horizontally disposed, described Cross bar is positioned close to the middle position of timber vertical direction.

Through the above technical solutions, cross bar can limit the depth that timber is inserted into riverbed, cross bar makes timber in river The length on bed top is more uniform, so that the upper surface of timber is more smooth, to easily facilitate subsequent enterprising in timber Row construction；And makes power suffered by each timber more uniform, be not easy to generate loosening because of single timber unbalance stress Or skew.

The utility model is further arranged to: the securing plate is equipped with waterproof geotextiles far from the side of timber.

Through the above technical solutions, waterproof geotextiles have preferable waterproof performance, it is laid with waterproof geotextiles and preferably mentions The high water blocking performance of timber cofferdam, preferably completely cuts off water in the side of timber cofferdam.

The utility model is further arranged to: the opposite side of timber described in two sides is equipped with beam, beam described in two sides Between be equipped with to draw reinforcing bar.

Through the above technical solutions, can be by the timber banding of two sides, to improve timber to drawing reinforcing bar to connect beam Integrally-built intensity, enable timber cofferdam preferably to bear the impact force of river water.

The utility model is further arranged to: the timber offers caulking groove, the beam away from the side of securing plate Lateral wall be bonded with caulking groove.

Through the above technical solutions, caulking groove enables beam more stable for being bonded with the lateral wall of beam It is connect with timber, so that the timber of two sides connects even closer, further improves and connected between timber and timber Structural strength.

The utility model is further arranged to: soil of being always or usually as specified is filled between the waterproof geotextiles.

Through the above technical solutions, element soil on the one hand play the role of water blocking, further improve timber cofferdam every Aqueous energy；On the other hand element soil has preferable gumminess, so that the connection between timber, waterproof geotextiles and cross bar and riverbed It is stronger.

The utility model is further arranged to: the timber and beam are made of pine.

Through the above technical solutions, pine resin rich in, resin can protect timber, keep it not perishable, from And make timber and beam that there is preferable corrosion resistance, so that when timber and beam can use longer in river water Between.

In conclusion the utility model has the following beneficial effects:

1. the reinforcing claw hook for reinforcing board ends is set on two neighboring timber, adjacent timber is linked together, is improved The structural strength of timber cofferdam entirety, so that timber cofferdam is able to bear the impact force of stronger river water；

2. cross bar is for limiting the depth that timber is inserted into riverbed, so that length of the timber on riverbed top is more equal One, so that the upper surface of timber is more smooth, and then easily facilitates and subsequent construct on timber.

Detailed description of the invention

Fig. 1 is the whole structural schematic diagram of the present embodiment；

Fig. 2 is the structural schematic diagram of the reinforcement assembly of the present embodiment；

Fig. 3 is the structural schematic diagram of the present embodiment waterproof geotextiles and the native positional relationship of element.

Appended drawing reference: 1, timber；2, pointed cone portion；3, reinforcement assembly；4, securing plate；5, pawl is reinforced；6, mating groove；7, horizontal Bar；8, waterproof geotextiles；9, beam；10, to drawing reinforcing bar；11, caulking groove；12, element soil.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment:

With reference to Fig. 1, a kind of timber cofferdam, including timber 1 and the pointed cone portion 2 that 1 bottom of timber is arranged in, timber 1 is equipped with two rows, Timber 1 is plugged by the pointed cone portion 2 of its bottom into the riverbed of river bed.

With reference to Fig. 1, the outside of two rows of timbers 1 is equipped with beam 9, and caulking groove 11, caulking groove are offered on the side wall of timber 1 11 be in crescent shape, and the lateral wall of beam 9 is bonded with 11 inner wall of caulking groove, is equipped between the beam 9 of two sides to reinforcing bar 10 is drawn, to drawing Tension of the reinforcing bar 10 by beam 9 tightly, makes beam 9 firmly be fitted in the inner wall of caulking groove 11, so that beam 9 was fixed It is more stable, to improve the structural strength of timber cofferdam entirety.Timber 1 and beam 9 are all made of pine and are made, the resin of pine Content is more, has preferable erosion-resisting performance, it is not perishable longer time can be impregnated in river.

With reference to Fig. 2, reinforcement assembly 3 is equipped between ipsilateral adjacent timber 1, the reinforcement assembly 3 includes securing plate 4 and adds Gu pawl 5, the opposite side of two rows of timbers 1 is equipped with securing plate 4, and securing plate 4 is bonded with timber 1, and reinforcing pawl 5, which is fixed at, to be added Solid plate 4 is staggered close to the both ends of timber 1, the reinforcing pawl 5 at 4 both ends of securing plate, adjacent securing plate 4 reinforcing pawl close to each other 5 staggeredly complementations, allowing reinforcing, pawl 5 is stable envelopes timber 1.Mating groove 6 is offered on the lateral wall of timber 1, is matched It is annular in shape to close slot 6, reinforces pawl 5 and is fastened in mating groove 6, so that securing plate 4 more stable can add timber 1 Gu and then improving the whole structural strength of timber cofferdam；And securing plate 4 can play certain water blocking effect.

Referring to figs. 2 and 3, securing plate 4 is equipped with waterproof geotextiles 8 far from the side of timber 1, and waterproof geotextiles 8 have Preferable water proof effect, so that water is not easy to flow to other side from the side of timber cofferdam, so that the water blocking effect of timber cofferdam More preferably.Soil 12 of being always or usually as specified is filled between waterproof geotextiles 8, element 12 one side of soil have preferable water blocking effect；On the other hand element soil 12 have preferable gumminess, can reinforce the bonding strength between timber 1 and timber 1.

With reference to Fig. 3, the middle position of timber 1 along the vertical direction is extended with cross bar 7, and cross bar 7 is bonded with riverbed, and cross bar 7 makes The length in the leakage of timber 1 riverbed is obtained than more uniform, so that the top of timber 1 is more smooth；And it is filled in waterproof geotechnique Element soil 12 on cloth 8 is pressed on cross bar 7, is plugged in riverbed so that timber 1 is more stable, so that timber 1 is in use process In it is more stable, to improve the structural strength of timber cofferdam entirety.

Installation process summary:

1, the timber 1 with cross bar 7 is plugged into riverbed first, is then inserted into the timber 1 for having cross bar 7；

2, then 5 hook of pawl will be reinforced in securing plate 4 to be set in the mating groove 6 of two neighboring timber 1；

3, multiple timbers 1 are so repeatedly inserted into, and install securing plate 4；

4, then beam 9 is aligned with the caulking groove 11 on timber 1, and is tensed using to drawing reinforcing bar 10；

5, waterproof geotextiles 8 are then laid with, and insert plain soil 12.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims

1. a kind of timber cofferdam including timber (1) and is arranged in the pointed cone portion (2) of the timber (1) bottom；

It is characterized in that, the timber (1) is equipped at least two rows, reinforcement assembly is equipped between the adjacent timber (1) with arranging (3)；

The reinforcement assembly (3) includes securing plate (4) and reinforces pawl (5), and the securing plate (4) is arranged vertically at two rows The opposite side of timber (1), at the both ends of securing plate (4), reinforcing pawl (5) described in both ends is staggeredly set for the reinforcing pawl (5) setting It sets, the lateral wall for being located at timber (1) is embraced in described reinforce pawl (5).

2. timber cofferdam according to claim 1, which is characterized in that it is offered mating groove (6) on the timber (1), it is described Pawl (5) are reinforced to be fastened in mating groove (6).

3. timber cofferdam according to claim 1, which is characterized in that the timber (1) is equipped with cross bar (7), the cross bar (7) horizontally disposed, the cross bar (7) is positioned close to the middle position of timber (1) vertical direction.

4. timber cofferdam according to claim 1, which is characterized in that the securing plate (4) is equipped with far from the side of timber (1) Waterproof geotextiles (8).

5. timber cofferdam according to claim 1, which is characterized in that the opposite side of timber described in two sides (1) is equipped with cross Wooden (9) are equipped between beam (9) described in two sides to drawing reinforcing bar (10).

6. timber cofferdam according to claim 5, which is characterized in that the timber (1) opens up away from the side of securing plate (4) Have caulking groove (11), the lateral wall of the beam (9) is bonded with caulking groove (11).

7. timber cofferdam according to claim 4, which is characterized in that fill soil of being always or usually as specified between the waterproof geotextiles (8) (12)。

8. timber cofferdam according to claim 5, which is characterized in that the timber (1) and beam (9) are made of pine.