CN210689539U

CN210689539U - A headroom convergence fixing device for handheld distancer of tunnel operation

Info

Publication number: CN210689539U
Application number: CN201921974464.7U
Authority: CN
Inventors: 黎子豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-05
Anticipated expiration: 2029-11-15

Abstract

The utility model belongs to the technical field of handheld distance measuring instrument fixing devices, in particular to a clearance convergence fixing device of a handheld distance measuring instrument for tunnel operation, which is directly held by hands when the handheld distance measuring instrument is used, has no any protection device and is inconvenient to fix the handheld distance measuring instrument at one position for measuring problems, and the proposal is provided, which comprises an acrylic rectangular shell, wherein, the inner walls of two sides of the acrylic rectangular shell are respectively provided with a groove, extrusion plates are respectively arranged in the two grooves in a sliding way, a stress plate is movably arranged in the acrylic rectangular shell, the bottom of the stress plate is fixedly connected with four rectangular rods, the four rectangular rods are respectively connected with the acrylic rectangular shell in a sliding way, a cavity is arranged on the acrylic rectangular shell, and the bottom ends of the four rectangular rods all extend to the cavity, the utility model has simple operation and convenient use, and can protect the handheld distance measuring instrument through the acrylic rectangular shell, can fix and dismantle handheld distancer fast.

Description

A headroom convergence fixing device for handheld distancer of tunnel operation

Technical Field

The utility model relates to a hand-held type distancer fixing device technical field especially relates to a headroom convergence fixing device for hand-held distancer of tunnel operation.

Background

The clearance convergence is also called clearance deformation, and refers to the phenomenon that the surrounding rock mass invades into the clearance of the tunnel after the tunnel is excavated, generally refers to the change of the relative position between two points on the periphery of the tunnel, and needs to be measured.

The existing handheld range finder is directly held by hands when in use, does not have any protection device, is easy to cause damage if falling off when in use, and is inconvenient to fix the handheld range finder at a position for measurement.

Disclosure of Invention

The utility model aims at solving the current handheld distancer and directly through handheld when using, do not have any protection device, if appear dropping when using and cause the harm easily, and be not convenient for fix handheld distancer in a position and measure the shortcoming, and the headroom convergence fixing device who is used for the handheld distancer of tunnel operation who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a headroom convergence fixing device for tunnel operation's handheld distancer, including ya keli rectangle shell, all set up flutedly on the both sides inner wall of ya keli rectangle shell, equal slidable mounting has the stripper plate in two recesses, movable mounting has the atress board in the ya keli rectangle shell, four rectangular rod of bottom fixedly connected with of atress board, four rectangular rod all with ya keli rectangle shell sliding connection, the cavity has been seted up on the ya keli rectangle shell, the bottom of four rectangular rod all extends to the cavity, one side that two stripper plates kept away from each other all rotates the one end of installing two dowel bars, the other end of four dowel bars all rotates installs the pulling force pole, the pulling force pole cooperatees with the rectangular rod that corresponds, pulling force pole and ya keli rectangle shell sliding connection, yakeli rectangle shell is made for the yakeli material.

Preferably, the movable hole has been seted up to the bottom of ya keli rectangular shell, and the movable hole is linked together with the cavity, and slidable mounting has the guide block in the movable hole, and the top of guide block rotates the one end of installing the down tube, and the other end of down tube rotates installs the distance rod, the top and the atress board fixed connection of distance rod, distance rod and ya keli rectangular shell sliding connection, the guide block is the I-shaped structure.

Preferably, the bottom fixed mounting of ya keli rectangular shell has the fixed block, and slidable mounting has one-way kelly on the fixed block, and one-way draw-in groove has been seted up to one side of guide block, and one-way kelly cooperatees with one-way draw-in groove, and the one end of one-way kelly sets up for the slope.

Preferably, one end fixed mounting of one-way kelly has the hand-pulling plate, and fixed mounting has same extension spring between hand-pulling plate and the fixed block that corresponds, and the extension spring cover is established in the outside of one-way kelly, and the hand-pulling plate is half arc structure.

Preferably, the bottom of dowel steel extends to in the cavity and with corresponding rectangle pole between fixed mounting have same pressure pole, fixed mounting has same spring between pressure pole and the cavity, and the spring provides ascending elasticity for the pressure pole.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through the inside of installing the ya keli rectangular shell with handheld distancer and pressing, can make two stripper plates will hand the distancer extrusion fixed, in one-way kelly got into one-way draw-in groove simultaneously, increases the stability after the installation of handheld distancer, can protect handheld distancer through yakeli rectangular shell, can be fixed suitable position, convenient operation with handheld distancer through yakeli rectangular shell simultaneously.

(2) This scheme is through only needing to detain the hand-pulling board, can make one-way kelly leave one-way draw-in groove, and the atress board promotes handheld distancer and leaves acrylic rectangular shell, convenient operation.

The utility model is simple in operation, can conveniently fix the handheld distancer to suitable position, the ya keli rectangle shell can protect the handheld distancer simultaneously, can fix and dismantle the handheld distancer fast.

Drawings

Fig. 1 is a schematic structural diagram of a clearance convergence fixing device of a handheld distance meter for tunnel operation according to the present invention;

fig. 2 is a schematic side view of a clearance convergence fixing device of a handheld distance meter for tunnel operation according to the present invention;

fig. 3 is a schematic view of the acrylic rectangular shell, the guide block, the fixed block, the one-way catch bar, the tension spring and the hand-pulling plate of the clearance convergence fixing device of the handheld distance meter for tunnel operation according to the present invention;

fig. 4 is a schematic structural diagram of a part a of a clearance convergence fixing device of a handheld distance meter for tunnel operation according to the present invention;

fig. 5 is a schematic structural diagram of a part B of a clearance convergence fixing device of a handheld distance meter for tunnel operation according to the present invention;

fig. 6 is a schematic perspective view of an acrylic rectangular shell of a clearance convergence fixing device of a handheld distance meter for tunnel operation according to the present invention;

fig. 7 is the utility model provides a three-dimensional structure schematic diagram of a headroom convergence fixing device's guide block for handheld distancer of tunnel operation.

In the figure: the device comprises a 1 acrylic rectangular shell, a 2 cavity, 3 rectangular rods, 4 stress plates, 5 thrust rods, 6 extrusion plates, 7 grooves, 8 tension rods, 9 springs, 10 inclined rods, 11 guide blocks, 12 fixing blocks, 13 one-way clamping grooves, 14 one-way clamping rods, 15 hand-pulling plates, 16 tension springs, 17 pressure rods and 18 force transmission rods.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-7, a headroom convergence fixing device for handheld distancer of tunnel operation, including ya keli rectangular shell 1, all set up fluted 7 on the both sides inner wall of ya keli rectangular shell 1, equal slidable mounting has stripper plate 6 in two recesses 7, movable mounting has stress plate 4 in the ya keli rectangular shell 1, four rectangular rod 3 of bottom fixedly connected with of stress plate 4, four rectangular rod 3 all with 1 sliding connection of ya keli rectangular shell, cavity 2 has been seted up on the ya keli rectangular shell 1, the bottom of four rectangular rod 3 all extends to cavity 2, one side that two stripper plate 6 kept away from each other all rotates the one end of installing two dowel steel 18, the other end of four dowel steel 18 all rotates installs tension bar 8, tension bar 8 cooperatees with the rectangular rod 3 that corresponds,

tension bar

8 and 1 sliding connection of ya keli rectangular shell, ya keli rectangular shell 1 is made for yakeli material.

In this embodiment, the movable hole has been seted up to the bottom of ya keli rectangular shell 1, and the movable hole is linked together with cavity 2, and slidable mounting has guide block 11 in the movable hole, and the top of guide block 11 is rotated and is installed the one end of down tube 10, and the other end of down tube 10 is rotated and is installed distance rod 5, distance rod 5's top and 4 fixed connection of atress board,

distance rod

5 and 1 sliding connection of ya keli rectangular shell, and guide block 11 is the I-shaped structure.

In this embodiment, the bottom fixed mounting of ya keli rectangular shell 1 has fixed block 12, and slidable mounting has one-way kelly 14 on fixed block 12, and one-way draw-in groove 13 has been seted up to one side of guide block 11, and one-way kelly 14 cooperatees with one-way draw-in groove 13, and the one end of one-way kelly 14 sets up for the slope.

In this embodiment, one end of the unidirectional jamming rod 14 is fixedly provided with the hand pulling plate 15, the same tension spring 16 is fixedly arranged between the hand pulling plate 15 and the corresponding fixing block 12, the tension spring 16 is sleeved on the outer side of the unidirectional jamming rod 14, and the hand pulling plate 15 is of a semi-arc structure.

In this embodiment, the bottom end of the dowel bar 18 extends into the cavity 2 and is fixedly mounted with the same pressure bar 17 between the corresponding rectangular bars 3, the same spring 9 is fixedly mounted between the pressure bar 17 and the cavity, and the spring 9 provides upward elastic force for the pressure bar 17.

Example two

Referring to fig. 1-7, a clearance convergence fixing device of a handheld distance meter for tunnel operation comprises an acrylic rectangular shell 1, wherein grooves 7 are respectively formed on the inner walls of the two sides of the acrylic rectangular shell 1, squeezing plates 6 are respectively and slidably mounted in the two grooves 7, a stress plate 4 is movably mounted in the acrylic rectangular shell 1, the bottom of the stress plate 4 is fixedly connected with four rectangular rods 3 through screws, the four rectangular rods 3 are respectively and slidably connected with the acrylic rectangular shell 1, a cavity 2 is formed in the acrylic rectangular shell 1, the bottom ends of the four rectangular rods 3 extend to the cavity 2, one sides of the two squeezing plates 6, which are far away from each other, are respectively and rotatably mounted with one end of two force transmission rods 18, the other ends of the four force transmission rods 18 are respectively and rotatably mounted with a tension rod 8, the tension rod 8 is matched with the corresponding rectangular rod 3, the tension rod 8 is slidably connected with the acrylic rectangular shell 1, the acrylic rectangular shell 1 is made of acrylic materials.

In this embodiment, the movable hole has been seted up to the bottom of ya keli rectangular shell 1, and the movable hole is linked together with cavity 2, and slidable mounting has guide block 11 in the movable hole, and the top of guide block 11 is rotated and is installed the one end of down tube 10, and the other end of down tube 10 is rotated and is installed distance rod 5, and distance rod 5's top passes through screw fixed connection with atress board 4, and

distance rod

In this embodiment, fixed block 12 is installed through welded fastening in the bottom of ya keli rectangular shell 1, and slidable mounting has one-way kelly 14 on fixed block 12, and one-way draw-in groove 13 has been seted up to one side of guide block 11, and one-way kelly 14 cooperatees with one-way draw-in groove 13, and the one end of one-way kelly 14 sets up for the slope.

In this embodiment, one end of the unidirectional jamming rod 14 is fixedly welded with a hand pulling plate 15, the hand pulling plate 15 and the corresponding fixing block 12 are fixedly welded with a same tension spring 16, the tension spring 16 is sleeved on the outer side of the unidirectional jamming rod 14, and the hand pulling plate 15 is of a semi-arc structure.

In this embodiment, the bottom end of the dowel bar 18 extends into the cavity 2 and is fixedly connected with the corresponding rectangular rod 3 through welding to be provided with the same pressure bar 17, the pressure bar 17 and the cavity are fixedly connected with the same spring 9 through welding, and the spring 9 provides upward elastic force for the pressure bar 17.

In the embodiment, when the portable range finder is used, the portable range finder is installed in the acrylic rectangular shell 1, the portable range finder extrudes the stress plate 4 to move downwards, the stress plate 4 extrudes the four rectangular rods 3 to move downwards, the rectangular rods 13 pull the tension rods 8 to move downwards through the corresponding pressure rods 17, the tension rods 8 push the extrusion plates 6 to move towards the direction close to the portable range finder through the corresponding force transmission rods 18, the portable range finder is extruded and fixed through the two extrusion plates 6, meanwhile, the stress plate 4 extrudes the thrust rods 5 to move downwards, the thrust rods 5 push the guide blocks 11 to move through the inclined rods 10, the guide blocks 11 are in contact with the guide clamping rods 14 and extrude the guide clamping rods 14, the one-way clamping rods 14 enter the one-way clamping grooves 13 under the action of the elastic force of the tension springs 16, the stability of the portable range finder after installation is improved, the portable range finder can be used, and the acrylic rectangular shell can be fixed at a proper position through screws and other, and then will hand-held distancer is fixed to suitable position, can conveniently measure, acrylic rectangular shell 1 plays the guard action to hand-held distancer simultaneously, when needing to dismantle and taking out hand-held distancer, detain hand-pulling plate 15, hand-pulling plate 15 drives one-way kelly 14 and leaves one-way draw-in groove 13, under the spring action of spring 9, the equal upward movement of atress board 4 and tension bar 8, two stripper plates 6 keep away from each other and loosen hand-held distancer, it leaves acrylic rectangular shell 1 to promote hand-held distancer through atress board 4, can take out hand-held distancer.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A clearance convergence fixing device of a handheld range finder for tunnel operation comprises an acrylic rectangular shell (1) and is characterized in that grooves (7) are formed in inner walls of two sides of the acrylic rectangular shell (1), extrusion plates (6) are arranged in the two grooves (7) in a sliding mode, a stress plate (4) is movably arranged in the acrylic rectangular shell (1), four rectangular rods (3) are fixedly connected to the bottom of the stress plate (4), the four rectangular rods (3) are connected with the acrylic rectangular shell (1) in a sliding mode, a cavity (2) is formed in the acrylic rectangular shell (1), the bottom ends of the four rectangular rods (3) extend to the cavity (2), one sides, far away from each other, of the two extrusion plates (6) are rotatably provided with one ends of two force transmission rods (18), the other ends of the four force transmission rods (18) are rotatably provided with tension rods (8), the tension rod (8) is matched with the corresponding rectangular rod (3), and the tension rod (8) is connected with the acrylic rectangular shell (1) in a sliding manner.

2. The clearance convergence fixing device for the handheld distance measuring instrument for tunnel operation as claimed in claim 1, wherein a movable hole is formed in the bottom of the acrylic rectangular shell (1), the movable hole is communicated with the cavity (2), a guide block (11) is slidably mounted in the movable hole, one end of an inclined rod (10) is rotatably mounted at the top of the guide block (11), a thrust rod (5) is rotatably mounted at the other end of the inclined rod (10), the top end of the thrust rod (5) is fixedly connected with the stress plate (4), and the thrust rod (5) is slidably connected with the acrylic rectangular shell (1).

3. The clearance convergence fixing device of the handheld range finder for tunnel working as claimed in claim 1, wherein the bottom of the acrylic rectangular shell (1) is fixedly mounted with a fixing block (12), the fixing block (12) is slidably mounted with a one-way clamping bar (14), one side of the guide block (11) is opened with a one-way clamping groove (13), and the one-way clamping bar (14) is matched with the one-way clamping groove (13).

4. The clearance convergence fixing device for the handheld range finder for tunnel operation as claimed in claim 3, wherein one end of the one-way jamming rod (14) is fixedly mounted with a hand pulling plate (15), a same tension spring (16) is fixedly mounted between the hand pulling plate (15) and the corresponding fixing block (12), and the tension spring (16) is sleeved outside the one-way jamming rod (14).

5. The clearance convergence fixture of handheld rangefinder for tunnel boring of claim 1 characterized in that the bottom end of the dowel bar (18) extends into the cavity (2) and is fixedly mounted with the same pressure bar (17) between the corresponding rectangular bar (3), and the same spring (9) is fixedly mounted between the pressure bar (17) and the cavity.