CN218467643U - Accurate positioning and locking device for adjustable lock pin anchor pipe - Google Patents

Abstract

The utility model discloses an accurate location locking device of lock foot anchor pipe with adjustable, which comprises a fixing plate and i, be equipped with a round hole on the fixed plate, be equipped with first stand pipe in the round hole, be equipped with one in one side of round hole and lead to through the groove, be equipped with the second stand pipe in penetrating inslot, connect an L shaped steel on the second stand pipe, be equipped with on the fixed plate and be used for when adjusting L shaped steel to press from both sides tight I-steel with first stand pipe cooperation, be fixed in the fixed subassembly on the fixed plate with L shaped steel, fixed subassembly includes the sliding tray of penetrating groove both sides, and locate the bolt in two sliding trays respectively, be equipped with two and bolt complex bolt holes on L shaped steel, be equipped with the location chamber that is used for fixed second stand pipe on the L shaped steel, first stand pipe, the second stand pipe is 30 degrees with the angle of fixed plate perpendicular line respectively, the device is simple structure, can use on-the-site leftover bits processing, circulated use, save construction cost, can accurately beat and establish lock foot anchor pipe hole, the construction period is shortened.

Description

Accurate positioning and locking device for adjustable lock pin anchor pipe

Technical Field

The utility model relates to a rock positioner is gone into to tunnel lock foot anchor pipe specifically is an accurate location locking device of lock foot anchor pipe with adjustable.

Background

After the tunnel is excavated, the stress of the original surrounding rock is redistributed, so that the surrounding rock generates plastic deformation and relaxation, and in order to prevent the excessive displacement and deformation of the disturbed surrounding rock, a reasonable supporting structure is required to bear the pressure of the surrounding rock. The steel arch is an important component in a tunnel primary supporting structure, the steel arch is usually formed by welding I-steel, the I-steel has high rigidity and high bearing capacity, deformation and displacement of surrounding rock can be effectively controlled before sprayed concrete does not reach required strength, and formation pressure is borne and deformation of the surrounding rock is restrained. If the I-shaped steel needs to be locked for supporting surrounding rocks around excavated edges, the lock pin anchor pipe is used and is firmly connected with the I-shaped steel, so that the lock pin anchor pipe and the I-shaped steel form a whole, the I-shaped steel is anchored at the deep part of the surrounding rocks, the rigid body displacement of the I-shaped steel is limited to a certain extent, the rigidity and the strength of the I-shaped steel are fully exerted, so that the I-shaped steel can provide larger supporting resistance for the surrounding rocks around the gallery and prevent the surrounding rocks from generating harmful excessive deformation. In the existing construction, workers generally beat and establish the lock leg anchor pipe by means of own experience, so that the beating and establishing precision of the lock leg anchor pipe is not accurate, the lock leg anchor pipe and the I-shaped steel cannot be effectively connected, the construction safety of primary support cannot be guaranteed, and the construction delay is caused. Patent CN201720344067.6 discloses a support locking device of tunnel I-steel lock foot anchor pipe, including I-steel, channel-section steel, lock foot anchor pipe and L shaped steel muscle connecting piece, its characterized in that: welding channel steel along the longitudinal direction on one side, close to the surrounding rock, of the I-shaped steel; the lock leg anchor pipes are driven into surrounding rock at two sides of the steel frame through prefabricated holes in the channel steel, and the lock leg anchor pipes and the channel steel are welded firmly; welding the lock pin anchor pipe to the I-shaped steel through an L-shaped steel bar connecting piece at the end part of the lock pin anchor pipe, wherein the L-shaped steel bar connecting piece is formed by bending steel bars; anchoring the I-steel to the deep part of the surrounding rock through a foot locking anchor pipe on the channel steel; the patent CN201420566795.8 discloses a device for accurately positioning a tunnel lock pin anchor pipe and integrating the tunnel lock pin anchor pipe with a steel frame, wherein a right base plate, a left upper base plate and a left lower base plate are welded on a profile steel frame, a front hole and a rear hole are respectively manufactured at two ends of the right base plate, a middle hole is reserved on the left upper base plate, and a lower hole is reserved on the left lower base plate; the upper lock leg anchor pipe penetrates through the front hole and the middle hole to form a 20-degree designed outer inserting angle, the lower lock leg anchor pipe penetrates through the rear hole and the lower hole to form a 40-degree designed outer inserting angle, and the steel bolts penetrating through the tail parts of the upper lock leg anchor pipe and the lower lock leg anchor pipe are closely attached to the right base plate and connected through welding. The two patents adopt a fixed welding mode, the positioning and locking device is welded on the I-shaped steel to be integrated, the I-shaped steel is not detached any more, raw material waste can be caused, the construction cost is improved, the sizes of the I-shaped steel are inconsistent, repeated manufacturing is needed, the labor intensity of workers is increased, steel is wasted, and the construction period is prolonged.

Disclosure of Invention

To the above problem, the utility model provides an accurate positioning and locking device of lock foot anchor pipe with adjustable for solve in the current construction with positioning and locking device fixed welding and the location that workman's direct construction caused inaccurate, the workman intensity of labour is big, the device is unadjustable, steel is extravagant, improves construction cost, delays the technical problem of time limit for a project.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an accurate location locking device of lock foot anchor pipe with adjustable, including being used for the fixed plate with the I-steel contact, be equipped with a round hole on the fixed plate, the slope is equipped with one in the round hole and is used for fixing a position the first stand pipe that the guide rig offered lock foot anchor pipe hole and contacted with I-steel one side, be equipped with one in one side of round hole and lead to the groove, the slope is equipped with one and is used for fixing a position the second stand pipe that the guide rig offered lock foot anchor pipe hole in penetrating inslot, connect an L shaped steel on the second stand pipe, be equipped with on the fixed plate and be used for when adjusting L shaped steel to press from both sides tight I-steel with first stand pipe cooperation, be fixed in the fixed subassembly on the fixed plate with L shaped steel.

Furthermore, fixed subassembly is including locating the sliding tray of penetrating the groove both sides to and two bolts of locating respectively in two sliding trays, be equipped with two bolt holes that are used for with bolt complex on L shaped steel.

Furthermore, a positioning cavity for fixing the second guide pipe is arranged on the L-shaped steel.

Further, the angle between the first guide tube and the vertical line of the fixing plate is 30 degrees, and the angle between the second guide tube and the vertical line of the fixing plate is 30 degrees.

The utility model relates to an accurate location locking device of lock foot anchor pipe with adjustable's beneficial effect is: can accurate nail go into lock foot anchor pipe through using this device, guarantee that the structure is firm, can be according to the distance of the size regulation first stand pipe of I-steel and L shaped steel, but recycle practices thrift steel, practices thrift construction cost, and the angle of first stand pipe, second stand pipe and fixed plate can be adjusted according to the job site condition, guarantees that lock foot anchor pipe angle is correct, improves the efficiency of construction.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present invention.

Fig. 2 is a schematic side view of embodiment 1 of the present invention.

Fig. 3 is an angle diagram of the fixing plate and the first guiding tube of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

The utility model provides an accurate location locking device of lock foot anchor pipe with adjustable, includes fixed plate 1, be equipped with a round hole 7 on fixed plate 1, the slope is equipped with first stand pipe 8 in the round hole, one side at round hole 7 is equipped with one and leads to through groove 4, the slope is equipped with second stand pipe 6 in penetrating groove 4, connect an L shaped steel 5 on second stand pipe 6, be equipped with on fixed plate 1 and be used for when adjusting L shaped steel 5 to with first stand pipe 8 cooperation when pressing from both sides tight I-steel, be fixed in the fixed subassembly on fixed plate 1 with L shaped steel 5, fixed subassembly is including locating the sliding tray 2 that leads to through groove 4 both sides to and two respectively locate the bolt 3 in two sliding tray 2, be equipped with two on L shaped steel 5 and be used for with bolt 3 complex bolt holes, be equipped with a location chamber 9 that is used for fixed second stand pipe 6 on L shaped steel 5. The angle between the first guide tube 8 and the vertical line of the fixing plate 1 is 30 degrees, and the angle between the second guide tube 6 and the vertical line of the fixing plate 1 is 30 degrees.

Examples

As shown in the figure, according to the field construction situation, the angle between the first guide pipe 8 and the fixing plate 1 is adjusted, the first guide pipe 8 penetrates through the round hole 7 and is welded on the fixing plate 1, the angle between the second guide pipe 6 and the L-shaped steel 5 is adjusted, the second guide pipe 6 penetrates through the positioning cavity 9 and is welded on the L-shaped steel 5, an arc groove can be formed on the edge of the L-shaped steel 5, then the second guide pipe 6 is welded on the L-shaped steel 5, but the contact area between the positioning cavity 9 and the second guide pipe 6 is large, the stability is better, generally, the angle between the vertical line of the first guide pipe 8 and the fixing plate 1 is 30 degrees, the angle between the vertical line of the second guide pipe 6 and the fixing plate 1 is 30 degrees, most of construction requirements can be met, the diameter of the second guide pipe 6 is smaller than the width of the through groove 4, the diameter of a screw rod of the bolt 3 is smaller than the width of the sliding groove 2, the 3,L, the steel 5, the second guide pipe 6 and the bolt 3 can move left and right, the distance between the second guide pipe 6 and the first guide pipe 8 can be adjusted according to the width of the I-steel, the first guide pipe 8 and the L-shaped steel 5 clamp the I-steel tightly, then the bolt 3 is screwed up for fixation, the contact area between the L-shaped steel 5 and the I-steel can be increased for preventing slipping, a worker drills a drill rod of a drilling machine through the first guide pipe 8 and the second guide pipe 6, the drill rod and the adjustable pin-locking anchor pipe are taken out for accurate positioning and locking, the pin-locking anchor pipe is inserted into the drilled hole, then the pin-locking anchor pipe is tightly welded with the I-steel by using a steel bar, the pin-locking anchor pipe can be accurately drilled by using the device, the construction period is shortened, the cost is saved, the contact area between the L-shaped steel 5 and the I-steel can be increased for facilitating fixation, the adjustable pin-locking anchor pipe can be accurately positioned and locked after the construction is finished and then used in the next construction site, the accurate positioning and locking device for the adjustable lock pin anchor pipe can use leftover materials left in a construction site, save materials and save construction cost.

The above detailed description is provided to illustrate the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims.

Claims (4)

1. The utility model provides a lock accurate location locking device of foot anchor pipe with adjustable which characterized in that: the fixing device comprises a fixing plate fixed in contact with an I-shaped steel, wherein a round hole is formed in the fixing plate, a first guide pipe used for positioning and guiding a drilling machine to set a pin locking anchor pipe hole and to be in contact with one side of the I-shaped steel is obliquely arranged in the round hole, a through groove is formed in one side of the round hole, a second guide pipe used for positioning and guiding the drilling machine to set the pin locking anchor pipe hole is obliquely arranged in the through groove, an L-shaped steel is connected onto the second guide pipe, and a fixing assembly used for fixing the L-shaped steel on the fixing plate when the L-shaped steel is adjusted to be matched with the first guide pipe to clamp the I-shaped steel tightly is arranged on the fixing plate.

2. The adjustable locking foot anchor pipe accurate positioning and locking device as claimed in claim 1, wherein: the fixing assembly comprises sliding grooves arranged on two sides of the through groove and two bolts respectively arranged in the two sliding grooves, and two bolt holes used for being matched with the bolts are formed in the L-shaped steel.

3. The adjustable locking foot anchor pipe accurate positioning and locking device as claimed in claim 2, wherein: and a positioning cavity for fixing the second guide pipe is arranged on the L-shaped steel.

4. The adjustable locking foot anchor pipe accurate positioning and locking device as claimed in claim 3, wherein: the angle between the first guide pipe and the vertical line of the fixing plate is 30 degrees, and the angle between the second guide pipe and the vertical line of the fixing plate is 30 degrees.

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