CN215281708U

CN215281708U - Strain gauge positioning tool clamp of resistance strain sensor

Info

Publication number: CN215281708U
Application number: CN202121264729.1U
Authority: CN
Inventors: 危彩良; 邵朱林; 邵明华
Original assignee: Sensor And Control Co ltd
Current assignee: Sensor And Control Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-24
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a strain gauge location frock clamp of resistance strain sensor, including bottom plate, the fixed slot that is located bottom plate top one side and the movable block that is located the bottom plate top, the bottom plate all is provided with the bracing piece including the four corners department that is located the bottom plate top, and the top that is located the bracing piece is provided with the roof, and the top that is located the roof is provided with the mount, and the inside intermediate position department of mount is provided with the limiting plate, and the one end that is located roof one side is provided with the lead screw that runs through to limiting plate inside. The utility model discloses a movable hole makes movable rod and movable block reciprocate, adsorbs to the strain gauge through the sucking disc, exerts an elasticity to spacing head through the spring, realizes resetting the movable rod, makes movable block and top take place the activity through the shifting chute, makes the removal of movable block more stable through spout and slider, prevents that the strainometer from taking place to drop, and the fixed removal effect to the strain gauge is better, has improved the practicality of anchor clamps.

Description

Strain gauge positioning tool clamp of resistance strain sensor

Technical Field

The utility model relates to a strainometer location installation technical field specifically is a strainometer location frock clamp of resistance strain sensor.

Background

The resistance strain type sensor is a resistance type sensor taking a resistance strain gauge as a conversion element, and consists of an elastic sensing element, a resistance strain gauge, a compensation resistor and a shell, and can be designed into various structural forms according to specific measurement requirements.

The strainmeter is one of resistance strain transducer's essential element, and in resistance strain transducer assembling process, need install the strainmeter through location frock clamp, and the shake can take place for most of current frock clamps when the displacement, leads to the strainmeter to drop, influences the installation of strainmeter, and need consume a large amount of time and aim at the installation, influences the frock efficiency to strainmeter location installation, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strain gauge location frock clamp of resistance strain gauge sensor to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a strain gauge location frock clamp of resistance strain gauge sensor, includes the bottom plate, is located the fixed slot of bottom plate top one side and is located the movable block at bottom plate top, the bottom plate includes:

supporting rods are arranged at the four corners of the top of the bottom plate, and a top plate is arranged at the top of each supporting rod;

a fixed frame is arranged at the top of the top plate, and a limiting plate is arranged in the middle of the inside of the fixed frame;

a screw rod penetrating into the limiting plate is arranged at one end of one side of the top plate, and a limiting rod penetrating into the limiting plate is arranged at one end of the top plate, which is far away from the screw rod; and

a moving groove is arranged at the middle position inside the top plate.

Preferably, the both ends of fixed slot inside all are provided with the fixed plate, and are two sets of the both sides of fixed plate bottom all are provided with the stopper, and are two sets of the intermediate position department of fixed plate bottom is provided with the fly leaf that runs through to the bottom plate bottom, one side of bottom plate bottom is provided with the two-way threaded rod that runs through to the fly leaf inside, keep away from at the bottom plate top the intermediate position department of fixed slot one side is provided with the silo.

Preferably, both ends of the inside of the fixed frame are provided with sliding grooves, both ends of the moving block are provided with sliding blocks penetrating into the sliding grooves, a moving rod is arranged at the middle position of the inside of the moving block, a sucking disc is arranged at the bottom of the moving rod, a convex block is arranged at the middle position of the outer side of the sucking disc, a spring is arranged at the top end of the outer side of the moving rod, and a limiting head is arranged at the top end of the moving rod.

Preferably, the top plate is fixedly connected with the bottom plate through a supporting rod, external threads are arranged on the outer side of the screw rod, a threaded hole matched with the screw rod is formed in one end inside the limiting plate, the limiting plate is in threaded connection with the screw rod through the threaded hole, a limiting hole is formed in one end, far away from the inside of the limiting plate, of the screw rod, and the limiting plate is in sliding connection with the limiting rod through the limiting hole.

Preferably, the both sides that the bottom plate top is located the inside bottom of fixed slot all are provided with the spacing groove, the fixed plate passes through stopper and spacing groove and bottom plate sliding connection, the inside intermediate position department that is located the fixed slot bottom of bottom plate is provided with the activity groove, the fly leaf passes through activity groove and bottom plate sliding connection.

Preferably, the outside at two-way threaded rod both ends is provided with positive and negative screw hole, the inside bottom of fly leaf be provided with two-way threaded rod assorted screw hole, the fly leaf passes through screw hole and two-way threaded rod threaded connection, the position department that the bottom plate bottom is located two-way threaded rod is provided with the mounting bracket.

Preferably, the moving block is slidably connected with the top plate through a sliding groove and a sliding block, the moving block is movably connected with the top plate through a moving groove, a moving hole is formed in the middle of the inside of the moving block, and the moving rod is movably connected with the moving block through the moving hole.

Preferably, a groove is formed in the middle of the bottom of the moving block, the protruding block is detachably connected with the moving block through the groove, a fixing hole is formed in the top of the sucker, and the sucker is detachably connected with the movable rod through the fixing hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model makes the movable rod and the movable block move up and down through the movable hole, adsorbs the strain gauge through the sucker, applies an elastic force to the limiting head through the spring, realizes the reset of the movable rod, makes the movable block and the top move through the moving groove, makes the movement of the movable block more stable through the chute and the slider, prevents the strain gauge from falling off, has better fixed moving effect to the strain gauge, and improves the practicability of the clamp;

2. the utility model discloses an external screw thread in the lead screw outside and the screw hole of the inside one end of limiting plate mutually support, and spacing pore pair limiting plate through the inside one end of gag lever post and limiting plate is spacing, is convenient for adjust the position of limiting plate, carries on spacingly through the limiting plate to the movable block to can directly install the strain gauge, improved frock clamp's frock efficiency.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a side sectional view of the present invention.

Fig. 3 is a front view of the present invention.

In the figure: 1. a base plate; 101. a support bar; 102. a top plate; 103. a fixed mount; 104. a limiting plate; 105. a screw rod; 106. a limiting rod; 107. a moving groove; 2. fixing grooves; 201. a fixing plate; 202. a limiting block; 203. a movable plate; 204. a bidirectional threaded rod; 205. a trough; 3. a moving block; 301. a chute; 302. a slider; 303. a movable rod; 304. a suction cup; 305. a bump; 306. a spring; 307. a limiting head.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

Referring to fig. 1-3, the present invention provides an embodiment of a strain gauge positioning fixture for a resistance strain gauge sensor: the utility model provides a strain gauge location frock clamp of resistance strain gauge sensor, includes bottom plate 1, is located the fixed slot 2 of 1 top one side of bottom plate and is located the movable block 3 at 1 top of bottom plate, and bottom plate 1 includes:

supporting rods 101 are arranged at four corners of the top of the bottom plate 1, and a top plate 102 is arranged at the top of each supporting rod 101;

a fixed frame 103 is arranged at the top of the top plate 102, and a limit plate 104 is arranged in the middle of the inside of the fixed frame 103;

a screw rod 105 penetrating into the limiting plate 104 is arranged at one end of the top plate 102, and a limiting rod 106 penetrating into the limiting plate 104 is arranged at one end of the top plate 102, which is far away from the screw rod 105; and

a moving groove 107 is provided at an intermediate position inside the top plate 102.

Please refer to fig. 1 and fig. 2, the two ends of the inside of the fixed slot 2 are both provided with a fixed plate 201, the two sides of the bottom of the two groups of fixed plates 201 are both provided with a limit block 202, so that the fixed plate 201 can move more stably, the middle position of the bottom of the two groups of fixed plates 201 is provided with a movable plate 203 penetrating to the bottom of the bottom plate 1, one side of the bottom plate 1 is provided with a bidirectional threaded rod 204 penetrating to the inside of the movable plate 203, and the middle position of the top of the bottom plate 1 far away from one side of the fixed slot 2 is provided with a trough 205, so as to facilitate the storage of the strain gauge.

Please refer to fig. 1 and fig. 3, the fixed frame 103 has two ends each provided with a sliding slot 301, the moving block 3 has two ends each provided with a sliding block 302 penetrating into the sliding slot 301, so that the moving block 3 moves more stably, the middle position inside the moving block 3 is provided with a moving rod 303, the bottom of the moving rod 303 is provided with a suction cup 304 for fixing the corresponding gauge, the middle position outside the suction cup 304 is provided with a bump 305, the top end outside the moving rod 303 is provided with a spring 306 for automatically resetting the moving rod 303, and the top end of the moving rod 303 is provided with a stopper 307.

Please refer to fig. 1 and fig. 3, the top plate 102 is fixedly connected to the bottom plate 1 through the support rod 101, the top plate 102 is fixed to the bottom plate 1 through the support rod 101, an external thread is disposed on an outer side of the screw rod 105, a threaded hole matched with the screw rod 105 is disposed at an inner end of the limit plate 104, the limit plate 104 is in threaded connection with the screw rod 105 through the threaded hole to perform a limiting function, so that the limit plate 104 moves left and right, a limit hole is disposed at an inner end of the limit plate 104 away from the screw rod 105, and the limit plate 104 is slidably connected to the limit rod 106 through the limit hole to enable the limit plate 104 to move more stably.

Please refer to fig. 1 and fig. 2, the two sides of the top of the bottom plate 1 located at the bottom end of the inside of the fixed slot 2 are both provided with a limiting slot, the fixed plate 201 is slidably connected with the bottom plate 1 through the limiting block 202 and the limiting slot, the limiting block 202 limits the fixed plate 201, the middle position of the inside of the bottom plate 1 located at the bottom of the fixed slot 2 is provided with a movable slot, and the movable plate 203 is slidably connected with the bottom plate 1 through the movable slot, so that the movable plate 203 and the bottom plate 1 move.

Please refer to fig. 1 and fig. 2, the outer sides of the two ends of the bidirectional threaded rod 204 are provided with positive and negative threaded holes, the bottom end inside the movable plate 203 is provided with a threaded hole matched with the bidirectional threaded rod 204, the movable plate 203 is in threaded connection with the bidirectional threaded rod 204 through the threaded hole to achieve the limiting left and right, so that the two groups of fixed plates 1 move in the opposite direction, the housing of the resistance strain sensor is conveniently fixed, the bottom of the bottom plate 1 at the position of the bidirectional threaded rod 204 is provided with a mounting bracket, and the bidirectional threaded rod 204 is fixed through the mounting bracket.

Please refer to fig. 1 and 3, the moving block 3 is slidably connected to the top plate 102 through the sliding groove 301 and the sliding block 302, the moving block 3 is more stably moved through the sliding groove 301 and the sliding hole 302, the moving block 3 is movably connected to the top plate 102 through the moving groove 107 to realize the left-right movement of the moving block 3, a moving hole is formed in the middle position inside the moving block 3, the moving rod 303 is movably connected to the moving block 3 through the moving hole, and the moving rod 303 and the moving block 3 move through the moving hole.

Please refer to fig. 1 and fig. 3, a groove is disposed at a middle position of the bottom of the moving block 3, the protrusion 305 is detachably connected to the moving block 3 through the groove, the moving rod 303 is limited through the protrusion 305, a fixing hole is disposed at the top of the suction cup 304, the suction cup 304 is detachably connected to the moving rod 303 through the fixing hole, the suction cup 304 is convenient to replace, and the fixing effect of the strain gauge is better.

The working principle is as follows: before the utility model is used, the strain gauge is placed in the trough 205, then the resistance strain type sensor shell is placed between two groups of fixed plates 201, the bidirectional threaded rod 204 is rotated, the positive and negative threads outside the two ends of the threaded rod 204 are matched with the threaded hole inside the movable plate 203, the two groups of fixed plates 201 move oppositely, the resistance strain type sensor shell is fixed, when in use, the movable rod 303 and the movable block 3 move up and down through the movable hole, the strain gauge is adsorbed through the sucking disc 304, an elastic force is applied to the limiting head 307 through the spring 306, the movable rod 303 is reset, the movable block 3 and the top 102 move through the movable groove 107, the movement of the movable block 3 is more stable through the chute 301 and the slide block 3023, the strain gauge is prevented from falling off, the fixed moving effect of the strain gauge is better, and the practicability of the clamp is improved, make things convenient for people's use, rotate lead screw 105, the screw hole through the external screw thread in the lead screw 105 outside and the inside one end of limiting plate 104 mutually supports, and spacing hole through the inside one end of gag lever post 106 and limiting plate 104 is spacing to limiting plate 104, is convenient for adjust the position of limiting plate 104, carries on spacingly through limiting plate 104 to movable block 3 to can directly install the strain gauge, improved frock clamp's frock efficiency.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a strainometer location frock clamp of resistance strain gauge sensor which characterized in that: including bottom plate (1), be located fixed slot (2) of bottom plate (1) top one side and be located movable block (3) at bottom plate (1) top, bottom plate (1) includes:

supporting rods (101) are arranged at four corners of the top of the bottom plate (1), and a top plate (102) is arranged at the top of each supporting rod (101);

a fixed frame (103) is arranged at the top of the top plate (102), and a limit plate (104) is arranged in the middle of the inside of the fixed frame (103);

a screw rod (105) penetrating into the limiting plate (104) is arranged at one end of the top plate (102), and a limiting rod (106) penetrating into the limiting plate (104) is arranged at one end of the top plate (102) far away from the screw rod (105); and

a moving groove (107) is provided at an intermediate position inside the top plate (102).

2. The strain gauge positioning tool clamp of the resistance strain type sensor as claimed in claim 1, wherein: fixed plate (201) are all provided with at the inside both ends of fixed slot (2), and are two sets of the both sides of fixed plate (201) bottom all are provided with stopper (202), and are two sets of the intermediate position department of fixed plate (201) bottom is provided with fly leaf (203) that runs through to bottom plate (1) bottom, one side of bottom plate (1) bottom is provided with two-way threaded rod (204) that run through to fly leaf (203) inside, keep away from at bottom plate (1) top the intermediate position department of fixed slot (2) one side is provided with silo (205).

3. The strain gauge positioning tool clamp of the resistance strain gauge sensor as claimed in claim 2, wherein: both ends inside the fixed frame (103) are provided with sliding grooves (301), both ends of the moving block (3) are provided with sliding blocks (302) penetrating into the sliding grooves (301), a moving rod (303) is arranged at the middle position inside the moving block (3), a sucking disc (304) is arranged at the bottom of the moving rod (303), a convex block (305) is arranged at the middle position outside the sucking disc (304), a spring (306) is arranged at the top end outside the moving rod (303), and a limiting head (307) is arranged at the top end of the moving rod (303).

4. The strain gauge positioning tool clamp of the resistance strain type sensor as claimed in claim 1, wherein: roof (102) pass through bracing piece (101) and bottom plate (1) fixed connection, the outside of lead screw (105) is provided with the external screw thread, the inside one end of limiting plate (104) be provided with lead screw (105) assorted screw hole, limiting plate (104) pass through screw hole and lead screw (105) threaded connection, limiting plate (104) are inside to be kept away from the one end of lead screw (105) is provided with spacing hole, limiting plate (104) are through spacing hole and gag lever post (106) sliding connection.

5. The strain gauge positioning tool clamp of the resistance strain gauge sensor as claimed in claim 2, wherein: the utility model discloses a fixing device for fixing base plate, including bottom plate (1), fixed plate (201), bottom plate (1) top are located the both sides of the inside bottom of fixed slot (2) and all are provided with the spacing groove, fixed plate (201) are through stopper (202) and spacing groove and bottom plate (1) sliding connection, the inside intermediate position department that is located fixed slot (2) bottom of bottom plate (1) is provided with the activity groove, fly leaf (203) are through activity groove and bottom plate (1) sliding connection.

6. The strain gauge positioning tool clamp of the resistance strain gauge sensor as claimed in claim 2, wherein: the outside at two-way threaded rod (204) both ends is provided with positive and negative screw hole, the inside bottom of fly leaf (203) be provided with two-way threaded rod (204) assorted screw hole, fly leaf (203) are through screw hole and two-way threaded rod (204) threaded connection, the position department that bottom plate (1) bottom is located two-way threaded rod (204) is provided with the mounting bracket.

7. The strain gauge positioning tool clamp of the resistance strain gauge sensor according to claim 3, characterized in that: the moving block (3) is connected with the top plate (102) in a sliding mode through a sliding groove (301) and a sliding block (302), the moving block (3) is movably connected with the top plate (102) through a moving groove (107), a moving hole is formed in the middle of the inside of the moving block (3), and the moving rod (303) is movably connected with the moving block (3) through the moving hole.

8. The strain gauge positioning tool clamp of the resistance strain gauge sensor according to claim 3, characterized in that: the middle position of the bottom of the moving block (3) is provided with a groove, the bump (305) is detachably connected with the moving block (3) through the groove, the top of the sucker (304) is provided with a fixing hole, and the sucker (304) is detachably connected with the movable rod (303) through the fixing hole.