CN214081852U - Device convenient to prepare sawn timber residual stress test block after drying - Google Patents

Abstract

The utility model relates to the technical field of wood detection, in particular to a device convenient for preparing a dried sawn timber residual stress test piece, which comprises a clamping part, a connecting rod and a sliding block; the two clamping parts are oppositely arranged, the two sliding blocks are respectively connected with the two clamping parts in a sliding manner and are arranged between the two clamping parts, the connecting rod is connected with the two sliding blocks, at least one end of the connecting rod is movably connected with the sliding blocks, and one end of the connecting rod, which is movably connected with the sliding blocks, is movably connected with one clamping part; the utility model discloses reduced the degree of difficulty of making into the stress test piece with the saw material after the drying, the simple and convenient simple of operation is safe, has improved the system appearance standard degree of stress test piece prong simultaneously.

Description

Device convenient to prepare sawn timber residual stress test block after drying

Technical Field

The utility model belongs to the technical field of the timber detects technique and specifically relates to a device convenient to prepare dry back sawn timber residual stress test block.

Background

When detecting the moisture content of the sawn timber, the quality grade of the dry sawn timber and the quality index of the dry sawn timber, the residual stress test of the sawn timber is often required. The common method for testing the residual stress of the sawn timber is a fork tooth method, firstly, wood needs to be pretreated and cut into fork teeth, then, the sawn timber is dried and the like, and the deformation quantity of the fork tooth of the test piece is obtained.

At present, the experiment personnel handle the wood by hands with a saw and a chisel when preprocessing the wood into the fork teeth, firstly the saw needs to be measured, then the cutting direction is marked by a line, and then the saw or the chisel is used for handling the saw, in the process, on one hand, the width of the fork teeth is only 7mm, the manual operation is difficult, in addition, the saw blade is easy to jump in the operation process, so that the phenomena of test piece breakage and the like are caused, larger errors can exist, on the other hand, the process is more complex and has certain dangerousness, and the used saw is easy to accidentally injure an operator.

SUMMERY OF THE UTILITY MODEL

In order to realize solving above-mentioned problem, the utility model provides a device convenient to prepare dry back sawn timber residual stress test block can fix the centre gripping to the test piece, has reduced the preparation degree of difficulty of prong test piece.

In order to realize the purpose, the utility model discloses a technical scheme be:

a device convenient for preparing a dried sawn timber residual stress test piece comprises a clamping part, a connecting rod and a sliding block;

the two clamping parts are oppositely arranged, and the two sliding blocks are respectively connected with the two clamping parts in a sliding manner and are arranged between the two clamping parts;

the connecting rod is connected with two sliding blocks, at least one end of the connecting rod is movably connected with the sliding blocks, and one end of the connecting rod, which is movably connected with the sliding blocks, is movably connected with the clamping part.

Furthermore, one end, far away from the sliding block, of the clamping portion is provided with a fork tooth containing cavity.

Furthermore, the sliding block with the one end that the clamping part contacted is equipped with the pulley, the clamping part correspond be equipped with the sliding tray with the pulley meets, the sliding block pass through the pulley with the clamping part sliding connection.

Further, the clamping part is equipped with fixing hole and screw, the screw passes fixing hole with the sliding block butt, in order with the clamping part with the sliding block relatively fixed.

Furthermore, the clamping part is provided with a fixing groove, the connecting rod penetrates out of the clamping part through the fixing groove, and a locking device is arranged at one end, penetrating out of the clamping part, of the connecting rod.

Furthermore, the clamping part is also provided with a limiting rod, and a gap for the saw to pass through is formed between the limiting rod and the clamping part.

Further, the depth of the prong cavities is 7 mm.

Furthermore, the locking device is a nut, and a thread matched with the nut is arranged at one end of the connecting rod connected with the locking device.

The utility model has the advantages that:

1. this application will saw the material centre gripping through two clamping parts, is equipped with the prong simultaneously at the clamping part and holds the chamber, and the saw material can be absorbed in the prong and hold the chamber, can use the saw to be separated along the border of clamping part to the saw material saw of centre gripping, has removed from and need to the operations such as timber measurement, rule, has reduced the degree of difficulty of making into the stress test piece with the saw material, and the operation is safe convenient simple, has improved the degree of consistency and the degree of accuracy of stress test piece prong simultaneously.

2. This application can adjust the interval size of clamping part through the connecting rod, is applicable to the saw material of different width, and sliding block and clamping part sliding connection can relatively be fixed with sliding block and clamping part through the screw simultaneously, can satisfy the saw of different length saw materials and separate to through setting up the gag lever post, can effectively prevent to separate the saw material in-process saw skew at the saw, guaranteed that the prong thickness of saw material is even. The sawing machine is suitable for sawing sawn timber with different lengths and widths, and is simple to operate and wide in application range.

Drawings

Fig. 1 is a schematic structural diagram of an apparatus for conveniently preparing a dried sawn timber residual stress test piece according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of a sliding block of the device for conveniently preparing a dried sawn timber residual stress test piece according to a preferred embodiment of the present invention.

Fig. 3 is a schematic structural view of the sawn timber according to a preferred embodiment of the present invention.

In the figure, 1-clamping part, 2-sliding block, 3-connecting rod, 11-prong cavity, 12-sliding groove, 13-fixing through hole; 14-a screw; 15-fixed groove, 16-locking device, 17-limiting rod, 21-connecting hole and 22-pulley.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1, which is a device for preparing a dried sawn timber residual stress test piece, including a clamping portion 1, a connecting rod 3 and a sliding block 2; the two clamping parts 1 are oppositely arranged, and the two sliding blocks 2 are respectively connected with the two clamping parts 1 in a sliding manner and arranged between the two clamping parts 1; connecting rod 3 is connected with two sliding blocks 2, and 3 at least one end of connecting rod and 2 swing joint of sliding block, connecting rod 3 and 2 swing joint's of sliding block one end and 1 swing joint of clamping part. Can with understand, 2 both ends of connecting rod can be respectively with two sliding block 2 swing joint, also can one end and a sliding block 2 sliding connection, the other end and sliding block 2 fixed connection, through the relative interval of two adjustable sliding blocks 2 of connecting rod 3.

Please refer to fig. 1-2; the sliding block 2 is provided with a pulley 22 at one end contacting with the clamping part 1, the clamping part 1 is correspondingly provided with a sliding groove 12 connected with the pulley 22, and the sliding block 2 is connected with the clamping part 1 in a sliding way through the pulley 22. In this embodiment, the pulley 22 is disposed at the bottom of the sliding block 2, and it can be understood that the pulley 22 may be disposed at both upper and lower ends of the sliding block 2 connected to the clamping portion 1, and the pulley 22 is sunk into the sliding groove 12. The slide block 2 can only move along the axial direction of the clamping part 1.

With continued reference to fig. 1, the clamping portion 1 is provided with a fixing through hole 13 and a screw 14, the fixing through hole 13 is provided with a thread, and the screw 14 passes through the fixing through hole 13 to abut against the sliding block 2 by screwing in the screw 14, so as to relatively fix the clamping portion 1 and the sliding block 2; the screw 14 is screwed out, the screw 14 is disengaged from the slide block 2, and the slide block 2 can slide relative to the clamping portion 1. It is understood that one or more screws 14 and fixing through holes 13 may be provided, and a wing may be provided on the top of the screw 14 to facilitate the free-hand rotation of the screw 14.

Clamping part 1 is equipped with fixed slot 15, and connecting rod 3 passes through clamping part 1 through fixed slot 15, and the one end that connecting rod 3 passed through clamping part 1 is equipped with locking device 16. The sliding block 2 is provided with a connecting hole 21, and the connecting rod 3 penetrates out of the sliding block 2 through the connecting hole 21. It can be understood that both clamping portions are provided with the fixed groove 15, only one clamping portion can be provided with the fixed groove 16, the clamping portion 1 provided with the fixed groove 16 is provided, the connecting rod 3 penetrates out of the clamping portion 1 through the fixed groove 15, the sliding block 2 provided with the clamping portion of the fixed groove 16 and corresponding to the clamping portion is movably connected with the connecting rod 3, and the corresponding sliding block 2 can move on the connecting rod 3. In this embodiment, the locking device 16 is a nut, and the end of the connecting rod 3 connected to the locking device 16 is provided with a thread matching with the nut. The maximum distance between the two clamping parts 1 can be relatively defined by setting the position of the locking means 16 at said connecting rod 3. Thereby defining the maximum spacing between the two clamping parts 1.

And one end of the clamping part 1, which is far away from the sliding block 2, is provided with a fork tooth accommodating cavity 11. The depth of the fork tooth cavity is 7 mm; sawn timber can be placed into the tine receiving cavities 11. The clamping part 1 is further provided with a limiting rod 17, and a gap for a saw to pass through is formed between the limiting rod 17 and the clamping part 1. The stopper rod 17 may be formed integrally with the holder 1, or may be detachably connected to the holder 1.

The following description discloses the utility model discloses the application method of the device convenient to prepare dry back sawn timber residual stress test block of preferred embodiment, at first, a sawn timber is put into between two clamping part 1, and be absorbed in prong and hold the chamber 11, when the sawn timber is too long can not put into between two clamping part 1, screw 14, make it break away from the connection with clamping part 1, promote sliding block 2 to the distal end, in order to increase the length that the prong held the chamber 11, after putting into the sawn timber, readjustment sliding block 2, make the one end of sliding block and sawn timber one end butt, the sawn timber other end holds chamber 11 inner wall top butt with the prong this moment, in order to hold the chamber 11 with the prong relatively fixed, screw 14 is screwed, make screw 14 and clamping part 1 butt, in order to hold sliding block 2 and clamping part 1 relatively fixed, then adjust the completion.

When the sawn timber can not be placed between the two clamping parts 1 in a too-expensive way, the locking device 16 is adjusted, the locking device 16 moves towards one end far away from the sliding block 2, so that the sliding block 2 can move along the axial direction of the connecting rod 3, the distance between the two sliding blocks 2 is increased, and the distance between the two clamping parts is increased so as to place the sawn timber. After the saw material is put in, the two clamping parts are compressed, so that the saw material is abutted against the insides of the two fork tooth containing cavities 11, the locking device 16 is adjusted again until the saw material cannot move to one end of the sliding block 2 any more, and the adjustment is completed at this moment.

When the sawn timber is completely sunk into the fork tooth accommodating cavity 11 and can not move relative to the clamping part 1 any more, sawing the sawn timber along the gap between the limiting rod 17 and the clamping part 1 by using a saw, transversely cutting off the sawn timber by using a tool such as a chisel and the like, and finally sawing the sawn timber to obtain the stress test piece as shown in fig. 3.

Claims (8)

1. A device convenient for preparing a dried sawn timber residual stress test piece is characterized by comprising a clamping part (1), a connecting rod (3) and a sliding block (2);

the two clamping parts (1) are oppositely arranged, and the two sliding blocks (2) are respectively connected with the two clamping parts (1) in a sliding manner and arranged between the two clamping parts (1);

connecting rod (3) and two sliding blocks (2) are connected, connecting rod (3) at least one end with sliding block (2) swing joint, connecting rod (3) and sliding block (2) swing joint's one end with clamping part (1) swing joint.

2. The device for preparing the dried sawn timber residual stress test piece conveniently according to claim 1, wherein one end of the clamping part (1) far away from the sliding block (2) is provided with a fork tooth containing cavity (11).

3. The device for conveniently preparing the dried sawn timber residual stress test piece according to claim 1, wherein a pulley (22) is arranged at one end of the sliding block (2) contacting with the clamping part (1), a sliding groove (12) is correspondingly arranged on the clamping part (1) to be connected with the pulley (22), and the sliding block (2) is connected with the clamping part (1) in a sliding manner through the pulley (22).

4. The device for conveniently preparing the dried sawn timber residual stress test piece according to claim 1, wherein the clamping portion is provided with a fixing through hole (13) and a screw (14), the screw (14) passes through the fixing through hole (13) to abut against the sliding block (2) so as to relatively fix the clamping portion (1) and the sliding block (2).

5. The device for conveniently preparing the dried test piece of the residual stress of the sawn timber according to claim 1, wherein the clamping portion (1) is provided with a fixing groove (15), the connecting rod (3) penetrates out of the clamping portion (1) through the fixing groove (15), and one end of the connecting rod (3) penetrating out of the clamping portion (1) is provided with a locking device (16).

6. The device for conveniently preparing the dried sawn timber residual stress test piece according to claim 1, wherein the clamping part (1) is further provided with a limiting rod (17), and a gap for a saw to pass through is formed between the limiting rod (17) and the clamping part (1).

7. The apparatus as claimed in claim 2, wherein the depth of the cavity of the fork is 7 mm.

8. The device for preparing the dried test piece of the sawn timber residual stress conveniently according to claim 5, wherein the locking device (16) is a nut, and a thread matched with the nut is arranged at one end of the connecting rod (3) connected with the locking device (16).

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