Portable shaft height measuring host

Abstract

The utility model relates to the technical field of height measuring devices, in particular to a portable shaft height measuring host, which comprises two chucks and a telescopic rod piece, and positioning and clamping structures are arranged on the two chucks. The telescopic rod piece is connected between the two chucks, and the telescopic rod piece is provided with scales arranged in the length direction of the telescopic rod piece; the positioning and clamping structure comprises clamping jaws, a screw rod, a nut, a movable ring sleeve and a connecting rod, at least three clamping jaws are circularly arranged on the opposite sides of the two chucks, and the clamping jaws are slidably connected to the chucks in the radial direction of the chucks; the screw rod is fixed on the back-to-back sides of the two chucks; the nut is in threaded connection with the screw; the movable ring sleeve is rotationally connected to the nut; the first end of the connecting rod is rotationally connected with the movable ring sleeve, and the second end is rotationally connected with the jaw. According to the utility model, the positioning and clamping structure is arranged on the chuck, so that the fixed shaft part and the telescopic rod piece can be kept parallel to each other, and the shaft height of the shaft part can be measured more accurately.

Description

TECHNICAL FIELD

[0001] The utility model relates to height measuring device technical field, concretely is a portable axle height measurement host computer. BACKGROUND

[0002] In the industry of machining, automobile manufacturing, aerospace and other industries with strict size tolerance requirements for shaft parts, measuring the height of shaft parts is a crucial task. In order to ensure that these parts meet the design standards and quality requirements, measurement equipment must be used for detection.

[0003] Among the main shaft part height measuring equipment existing in the current market:

[0004] One is large and complex measuring equipment. This kind of equipment is combined by precision machinery, optical system and electrical components, and has very high detection accuracy. However, due to its large size, high cost and complex operation, this kind of equipment is not suitable for all application scenarios, especially for situations that require frequent movement or on-site immediate measurement. Another is portable simple measuring equipment: including tape measure, steel ruler, caliper and other traditional tools, which are widely used because of their small size, light weight and easy to carry. However, this kind of measuring tool has the disadvantage of measuring accuracy. Specifically, when using tape measure or other similar tools, it is difficult to ensure that the tool and the shaft center of the shaft part remain parallel during the measurement process, which directly leads to measurement error and affects the final measurement accuracy. In view of the above problems, the utility model provides a portable axle height measurement host computer capable of improving accuracy. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a portable axle height measurement host computer to solve the problems raised in the above background.

[0006] The utility model is realized by the following technical solutions:

[0007] A portable axle height measurement host computer, comprising a chuck and a telescopic rod, the chuck is provided with two, the two chucks are provided with positioning clamping structures; the telescopic rod is connected between the two chucks, the telescopic rod has a scale arranged along the length direction thereof;

[0008] The positioning clamping structure comprises a claw, a screw, a nut, a movable ring and a connecting rod, the opposite sides of the two chucks are circularly arranged with at least three claws, the claw is slidingly connected to the chuck along the radial direction of the chuck; the screw is fixed to the side opposite to the two chucks; the nut is threadedly connected with the screw; the movable ring is rotationally connected with the nut; the first end of the connecting rod is rotationally connected with the movable ring, and the second end is rotationally connected with the claw.

[0009] Optionally, a connecting groove coaxial with the nut is arranged on the side of the nut facing the chuck, and a connecting flange is protruded radially outward on the outer side of one end of the movable ring sleeve, and the connecting flange is embedded in the connecting groove and rotatable along the connecting groove.

[0010] Optionally, the first end of the connecting rod is rotatably connected with the movable ring sleeve through a first rotating shaft, and the second end of the connecting rod is rotatably connected with the claw through a second rotating shaft.

[0011] Optionally, a sliding groove is radially arranged on the chuck, and the claw is slidingly connected in the sliding groove.

[0012] Optionally, a sliding rod is arranged in the sliding groove, and the claw is slidingly sleeved on the outside of the sliding rod.

[0013] Optionally, a rubber gasket is fixedly arranged on the side of the claw facing the center of the chuck.

[0014] Optionally, the telescopic rod member comprises a first rod body and a second rod body fixedly connected with the two chucks respectively, and the first rod body and the second rod body are movably inserted together.

[0015] Optionally, the portable shaft height measurement host further comprises a base and a connecting shaft, the base is arranged below the telescopic rod member, and the base is fixedly connected with the second rod body of the telescopic rod member through the connecting shaft.

[0016] Compared with the prior art, the portable shaft height measurement host has the following beneficial effects:

[0017] 1. The cooperation of the chuck, the telescopic rod member, the claw, the screw rod, the nut, the movable ring sleeve and the connecting rod enables the fixed shaft part and the telescopic rod member to keep a parallel state, so that the shaft height of the shaft part can be more accurately measured.

[0018] 2. The sliding rod is arranged in the sliding groove, and the claw is slidingly sleeved on the outside of the sliding rod, so that the claw can slide along the sliding groove more stably, and the position of the claw can be conveniently adjusted.

[0019] 3. The rubber gasket is fixedly arranged on the side of the claw facing the center of the chuck, so that the claw can realize soft contact with the shaft part through the rubber gasket, thereby reducing the probability of the shaft part being pressed or scratched by the claw. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic view of the utility model;

[0021] Figure 2 It is the structure schematic view of the utility model in use state;

[0022] Figure 3 It is the whole structure schematic view of the utility model; Figure 2 The front view structure schematic view of the utility model;

[0023] Figure 4 It is the cut structure schematic view of the chuck and the positioning clamping structure of the utility model.

[0024] In the drawing: 1, chuck; 10, sliding groove; 2, telescopic rod; 20, first rod body; 21, second rod body; 22, scale; 3, positioning clamping structure; 30, clamping jaw; 31, screw rod; 32, nut; 320, connecting groove; 33, movable ring sleeve; 330, connecting flange; 34, connecting rod; 35, first rotating shaft; 36, second rotating shaft; 37, sliding rod; 38, rubber gasket; 4, base; 5, connecting shaft; 6, shaft parts. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment: please refer to Figures 1 to 4 According to the embodiment of the utility model, a portable shaft height measuring host computer is provided, which comprises a chuck 1 and a telescopic rod 2, the chuck 1 is provided with two, arranged oppositely up and down, and the positioning clamping structure 3 is arranged on the two chucks 1; the telescopic rod 2 is connected between the two chucks 1, and the telescopic rod 2 is provided with a scale 22 arranged along the length direction thereof;

[0027] The positioning clamping structure 3 comprises a clamping jaw 30, a screw rod 31, a nut 32, a movable ring sleeve 33 and a connecting rod 34, at least three clamping jaws 30 are arranged in a circular shape on the opposite sides of the two chucks 1, and the clamping jaw 30 is slidingly connected to the chuck 1 along the radial direction of the chuck 1; the screw rod 31 is fixed to the side opposite to the two chucks 1; the nut 32 is threadedly connected with the screw rod 31; the movable ring sleeve 33 is rotationally connected with the nut 32; the first end of the connecting rod 34 is rotationally connected with the movable ring sleeve 33, and the second end of the connecting rod 34 is rotationally connected with the clamping jaw 30.

[0028] The portable shaft height measuring host with the above structure is used to measure the shaft part 6. The shaft part 6 is arranged between the two chucks 1, the distance between the two chucks 1 is adjusted by the telescopic rod 2, the two chucks 1 are arranged against the two ends of the shaft part 6, then the nut 32 is screwed to move the nut 32 away from the chuck 1, the plurality of clamping claws 30 are synchronously moved to the shaft part 6 under the action of the pull rod, until the plurality of clamping claws 30 clamp and fix the shaft part 6, at this time, the shaft height of the shaft part 6 can be obtained by observing the scale 22 on the telescopic rod 2. As can be seen, when the portable shaft height measuring host is used to measure the shaft part 6, the shaft part 6 after being fixed can keep parallel with the telescopic rod 2, so that the shaft height of the shaft part 6 can be more accurately measured; secondly, the stability in the measuring process is ensured by the clamping and fixing of the shaft part 6 by the clamping claws 30, and the measuring precision is further improved; in addition, the shaft part 6 with different diameters can be fixed by the clamping claws 30, so that the shaft height of the shaft part 6 with different diameters can be measured.

[0029] In order to realize the coaxial rotating connection of the movable ring sleeve 33 and the nut 32, in the example embodiment, the side of the nut 32 facing the chuck 1 is provided with an annular connecting groove 320 coaxial with the nut 32, the outer side of one end of the movable ring sleeve 33 protrudes radially outward to form a connecting flange 330, and the end of the movable ring sleeve 33 with the connecting flange 330 is embedded in the connecting groove 320 and can rotate along the connecting groove 320. In other embodiments, the movable ring sleeve 33 can also be rotatably connected with the nut 32 through a bearing.

[0030] In order to realize the rotating connection between the connecting rod 34 and the clamping claw 30 and between the connecting rod 34 and the movable ring sleeve 33, in the example embodiment, the first end of the connecting rod 34 is rotatably connected with the movable ring sleeve 33 through the first rotating shaft 35, and the second end of the connecting rod 34 is rotatably connected with the clamping claw 30 through the second rotating shaft 36.

[0031] In order to realize the sliding connection of the clamping claw 30 and the chuck 1, in the example embodiment, the chuck 1 is provided with a sliding groove 10 radially formed on the outer edge of the chuck 1, and the clamping claw 30 is slidably connected in the sliding groove 10. When implemented, the sliding groove 10 is formed with an opening on the outer edge of the chuck 1, so that the clamping claw 30 can be conveniently assembled into the sliding groove 10.

[0032] In order to make the clamping claw 30 slide along the sliding groove 10 more stably, in the example embodiment, a sliding rod 37 is arranged in the sliding groove 10, and the clamping claw 30 is slidably sleeved outside the sliding rod 37.

[0033] The claw 30 may cause the shaft part 6 to be pressed or scratched when clamping the shaft part 6, and therefore, in the example embodiment, a rubber pad 38 is fixedly arranged on the side of the claw 30 facing the center of the chuck 1. The claw 30 can achieve soft contact with the shaft part 6 through the rubber pad 38, thereby reducing the probability of the shaft part 6 being pressed or scratched by the claw 30.

[0034] In the example embodiment, the telescopic rod member 2 comprises a first rod body 20 and a second rod body 21 fixedly connected with the two chucks 1 respectively, and the first rod body 20 and the second rod body 21 are movably inserted together. In other embodiments, the number of rod bodies of the telescopic rod member 2 can also be greater than two, and the rod bodies are sequentially inserted together.

[0035] In the example embodiment, the portable shaft height measuring host further comprises a base 4 and a connecting shaft 5, the base 4 is arranged below the telescopic rod member 2, and the base 4 is fixedly connected with the second rod body 21 of the telescopic rod member 2 through the connecting shaft 5. Through the arrangement of the connecting shaft 5 and the base 4, the portable shaft height measuring host can be stably placed vertically.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A portable shaft height measuring host, characterized in that, include: Two chucks (1) are provided, and each of the two chucks (1) is provided with a positioning and clamping structure (3); Telescopic rod (2) is connected between the two chucks (1), and the telescopic rod (2) has a scale (22) arranged along its length direction; The positioning and clamping structure (3) includes: The jaws (30) are arranged in a circular pattern on opposite sides of the two chucks (1), and the jaws (30) are slidably connected to the chucks (1) along the radial direction of the chucks (1). The screw (31) is fixed to the opposite side of the two chucks (1); Nut (32) is threadedly connected to the screw (31); The movable ring (33) is rotatably connected to the nut (32); The connecting rod (34) has its first end rotatably connected to the movable ring (33) and its second end rotatably connected to the pawl (30).

2. The portable shaft height measuring host according to claim 1, characterized in that: The nut (32) has an annular connecting groove (320) coaxial with the nut (32) on the side facing the chuck (1). The outer side of one end of the movable ring sleeve (33) protrudes radially outward to form a connecting flange (330). The end of the movable ring sleeve (33) with the connecting flange (330) is embedded in the connecting groove (320) and can rotate along the connecting groove (320).

3. The portable shaft height measuring host according to claim 1, characterized in that: The first end of the connecting rod (34) is rotatably connected to the movable ring (33) via the first rotating shaft (35), and the second end of the connecting rod (34) is rotatably connected to the pawl (30) via the second rotating shaft (36).

4. The portable shaft height measuring host according to claim 1, characterized in that: The chuck (1) has a radial groove (10) and the jaw (30) is slidably connected in the groove (10).

5. The portable shaft height measuring host according to claim 4, characterized in that: A sliding rod (37) is provided inside the groove (10), and the claw (30) is slidably sleeved on the outside of the sliding rod (37).

6. The portable shaft height measuring host according to claim 1, characterized in that: A rubber pad (38) is fixedly provided on the side of the chuck (1) facing the center of the chuck (1).

7. The portable shaft height measuring host according to any one of claims 1 to 6, characterized in that: The telescopic rod (2) includes a first rod body (20) and a second rod body (21) that are fixedly connected to the two chucks (1) respectively, and the first rod body (20) and the second rod body (21) are movably inserted together.

8. The portable shaft height measuring host according to claim 7, characterized in that: It also includes a base (4) and a connecting shaft (5). The base (4) is located below the telescopic rod (2). The base (4) is fixedly connected to the second rod (21) of the telescopic rod (2) through the connecting shaft (5).

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