Caliper type voltage measuring device

Abstract

The utility model relates to the technical field of cable detection, and particularly discloses a caliper type voltage measuring device, which comprises a left measurer, a right measurer and a measuring mechanism, the measuring mechanism comprises a caliper assembly, a shaft lever, a rotating wheel, an arc ring and a lock catch assembly, the left measurer is fixedly connected with the caliper assembly, the right measurer is fixedly connected with the caliper assembly, and the shaft lever is fixedly connected with the rotating wheel. The two sets of shaft rods are fixedly connected with the corresponding left measurer and the corresponding right measurer respectively, each set of rotating wheels are rotationally connected with the corresponding shaft rods respectively, each set of arc rings are fixedly connected with the corresponding rotating wheels respectively and arranged on the outer surface walls of the corresponding rotating wheels in a sleeving mode respectively, and the lock catch assemblies are arranged on the outer surface walls of the left measurer and the right measurer. And the left measurer and the right measurer are matched with each other. The detection convenience of the cable is improved, jamming in the moving process is avoided, the voltage and the current of the cable can be detected at a constant speed, and the stability and the accuracy of detection data are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable detection technical field especially, relates to a caliper formula voltage measuring device. BACKGROUND

[0002] At present, the cable will occur partial discharge due to its use length, use environment, product self quality, insulation aging in the use process, the generation of partial discharge will aggravate insulation deterioration, form vicious cycle, most of the cable partial discharge occurs in the cable joint part, the geographical position condition of cable joint is complex, leading to the operation flexibility of the existing discharge detection device for detecting the cable is insufficient.

[0003] The prior art CN203232128U provides a kind of portable cable joint partial discharge detection device, by caliper formula cable joint partial discharge detector, insulating support pipe, handheld display unit and operating hand pull composition;The caliper formula cable joint partial discharge detector includes caliper-shaped insulating shell, current transformer and measuring resistance R;The primary side of the current transformer is 1 turn cable loop to be detected, and the secondary side is a wire evenly wound on two half circular ring-shaped magnet cores, and the two ends of the wire are connected in series with the measuring resistance R to form a loop;The two sides M, N ends of the measuring resistance R lead out wire and are connected by coaxial cable with the corresponding interface of handheld display by BNC interface;The secondary side of the current transformer is in the caliper-shaped insulating shell;The caliper handle one end of the caliper-shaped insulating shell is fixedly connected with the upper end of the insulating support pipe, and the caliper handle other end is connected with operating hand pull;The output end of the caliper formula cable joint partial discharge detector is connected with the corresponding input end of the handheld display unit;The handheld display unit is composed of signal processing circuit, liquid crystal display U4.

[0004] But in prior art, not only cable joint needs to be detected in detection process, but also whole cable needs to be detected, to ensure the rigor of cable detection, detection device moves control flexibility is low when detecting in midair, and control is not smooth in cable detection process. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a caliper formula voltage measuring device, to solve the technical problems that not only cable joint needs to be detected in prior art in detection process, but also whole cable needs to be detected, to ensure the rigor of cable detection, detection device moves control flexibility is low when detecting in midair, and control is not smooth in cable detection process.

[0006] In order to achieve the above object, the utility model discloses a caliper formula voltage measuring device, including left measurer and right measurer still including measuring mechanism, the measuring mechanism includes calliper assembly, axle rod, runner, arc ring and lock catch subassembly, the left measurer with calliper assembly fixed connection lies in one end of calliper assembly, right measurer with calliper assembly fixed connection lies in one end of calliper assembly, and the left measurer with right measurer each other adapts, the number of axle rod is two groups, two groups axle rod respectively with corresponding left measurer and right measurer fixed connection and respectively lie in one side of corresponding left measurer with right measurer, the number of runner is two groups, and each group runner respectively with corresponding axle rod rotation is connected with and respectively the outer wall of corresponding axle rod is covered, the number of arc ring is two groups, and each group arc ring respectively with corresponding runner fixed connection and respectively the outer wall of corresponding runner is covered, lock catch subassembly sets up in the outer wall of left measurer with right measurer with left measurer and right measurer each other adapts.

[0007] Among them, the calliper assembly includes left caliper, right caliper and spring, the left caliper is rotatably connected with the right caliper, and the left caliper and the right caliper are adapted to each other, and the two ends of the spring are adapted to each other with the left caliper and the right caliper and located between the left caliper and the right caliper.

[0008] Among them, the calliper assembly further includes a control block, a connecting plunger and a traction rope, the control block is fixedly connected with the left caliper and located at one side of the left caliper, the connecting plunger is threadedly connected with the control block and embedded in the interior of the control block, one end of the traction rope is fixedly connected with the connecting plunger and located at one end of the connecting plunger.

[0009] Among them, the lock catch assembly includes a first lock catch block, a second lock catch block, a T-shaped shaft and a locking nut, the first lock catch block is fixedly connected with the left caliper and located on the outer wall of the left caliper, the second lock catch block is fixedly connected with the right caliper and located on the outer wall of the right caliper, the T-shaped shaft is rotatably connected with the first lock catch block and embedded in the interior of the first lock catch block, and the locking nut is threadedly connected with the T-shaped shaft and covered on the outer wall of the T-shaped shaft.

[0010] Among them, the measuring mechanism further includes a mounting cylinder and a wireless detection transmitter, the number of mounting cylinders is two groups, each mounting cylinder is fixedly connected with corresponding left caliper and right caliper and located at one end of corresponding left caliper and right caliper, and the number of wireless detection transmitters is two groups, each wireless detection transmitter is threadedly connected with corresponding mounting cylinder and located at one end of corresponding mounting cylinder.

[0011] The utility model discloses a caliper formula voltage measuring device, through the caliper assembly with left measurer and right measurer are connected to the pressure clamp of caliper assembly can realize the pressure clamp of left measurer and right measurer, when not exerting external force to the caliper assembly, left measurer and right measurer are closed state and form annular structure, and two groups of runner merge and form a whole, when using, extrude the caliper assembly with its left measurer and right measurer are unfolded, and make its two groups runner unfold, after the cable is prevented between left measurer and right measurer and stop extruding the caliper assembly, left measurer and right measurer merge, and at the same time, two groups of runner merge, and two groups of runner are supported by corresponding shaft respectively, and make its runner rotate on the axle, and the cable of being detected is arranged between two groups of runner, and is positioned by two groups of arc ring simultaneously, so that the cable is separated in this process, and the caliper formula voltage measuring device can move on the cable under the auxiliary action of two groups of runner, the above structure's setting can detect the cable flexibly in the half space detection or other complex detection environment, improves the detection convenience of cable through the rolling auxiliary of runner, avoids the jam in the movement, can detect the voltage and current of cable at uniform speed, improves the stability and accuracy of detection data. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will introduce the drawing needed to be used in the embodiment or prior art description briefly, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0013] Fig. 1 It is the structure schematic diagram of caliper formula voltage measuring device of the utility model.

[0014] Fig. 2 It is the front view of caliper formula voltage measuring device of the utility model.

[0015] Fig. 3 It is the plan view of caliper formula voltage measuring device of the utility model.

[0016] 101 - left measurer, 102 - right measurer, 103 - shaft, 104 - rotating wheel, 105 - arc ring, 106 - left caliper, 107 - right caliper, 108 - spring, 109 - control block, 110 - connecting plunger, 111 - traction rope, 112 - first locking block, 113 - second locking block, 114 - T shaft, 115 - locking nut, 116 - mounting cylinder, 117 - wireless detection transmitter. DETAILED DESCRIPTION

[0017] Please refer to Figs. 1 to 3 The utility model provides a caliper type voltage measuring device, including left measurer 101 and right measurer 102, still include measuring mechanism, the measuring mechanism includes caliper subassembly, shaft 103, rotating wheel 104, arc ring 105 and locking assembly, left measurer 101 with caliper subassembly fixed connection lies in one end of caliper subassembly, right measurer 102 with caliper subassembly fixed connection lies in one end of caliper subassembly, and left measurer 101 with right measurer 102 are mutually adapted, the number of shaft 103 is two groups, two groups shaft 103 respectively with corresponding left measurer 101 and right measurer 102 fixed connection and respectively lie in corresponding left measurer 101 with right measurer 102 one side, the number of rotating wheel 104 is two groups, and each group rotating wheel 104 is respectively with corresponding shaft 103 rotation connection and respectively sets up in corresponding shaft 103 outer surface wall, the number of arc ring 105 is two groups, and each group arc ring 105 is respectively with corresponding rotating wheel 104 fixed connection and respectively sets up in corresponding rotating wheel 104 outer surface wall, locking assembly sets up in left measurer 101 with right measurer 102 outer surface wall and with left measurer 101 and right measurer 102 are mutually adapted.

[0018] In the embodiment, the caliper assembly connects the left measurer 101 and the right measurer 102, and the left measurer 101 and the right measurer 102 can be clamped by pressing the caliper assembly. When no external force is applied to the caliper assembly, the left measurer 101 and the right measurer 102 are in a closed state and form a ring structure, and the two groups of rotating wheels 104 are combined to form a whole. When the caliper assembly is pressed, the left measurer 101 and the right measurer 102 are unfolded, and the two groups of rotating wheels 104 are unfolded. After the cable is prevented between the left measurer 101 and the right measurer 102, the left measurer 101 and the right measurer 102 are combined, and at the same time, the two groups of rotating wheels 104 are combined. The two groups of rotating wheels 104 are respectively supported by the corresponding shaft rods 103, and the rotating wheels 104 rotate on the shaft rods 103. The detected cable is placed between the two groups of rotating wheels 104, and the two groups of arc rings 105 limit the cable. If the cable is separated during the process, the caliper voltage measuring device can move on the cable with the aid of the two groups of rotating wheels 104. The left measurer 101 and the right measurer 102 are provided with a mutual inductor secondary side and a magnetic conducting core. The left measurer 101 and the right measurer 102 are disclosed in the prior art CN203232128U, and thus will not be described here.

[0019] Further, the caliper assembly includes a left caliper 106, a right caliper 107, and a spring 108. The left caliper 106 is rotationally connected with the right caliper 107, and the left caliper 106 and the right caliper 107 are adapted to each other. The two ends of the spring 108 are respectively adapted to the left caliper 106 and the right caliper 107, and located between the left caliper 106 and the right caliper 107.

[0020] In the embodiment, the left caliper 106 and the right caliper 107 are adapted to each other and realize clamping motion under the action of the spring 108. The left caliper 106 is used for installing the right measurer 102, and the right caliper 107 is used for installing the left measurer 101. The left caliper 106 and the right caliper 107 are adjusted to realize adjustment and control of the left measurer 101 and the right measurer 102.

[0021] Further, the caliper assembly further comprises a control block 109, a connecting plunger 110 and a traction rope 111, the control block 109 is fixedly connected with the left caliper 106 and located at one side of the left caliper 106, the connecting plunger 110 is threadedly connected with the control block 109 and embedded in the inside of the control block 109, one end of the traction rope 111 is fixedly connected with the connecting plunger 110 and located at one end of the connecting plunger 110.

[0022] In the embodiment, the control block 109 is used to install the connecting plunger 110, the control block 109 is connected with the traction rope 111 through the connecting plunger 110, and the external equipment is connected through the traction rope 111, so that the external equipment is used to control the traction of the entire caliper voltage measuring device.

[0023] Further, the lock assembly comprises a first lock block 112, a second lock block 113, a T shaft 114 and a locking nut 115, the first lock block 112 is fixedly connected with the left caliper 106 and located on the outer wall of the left caliper 106, the second lock block 113 is fixedly connected with the right caliper 107 and located on the outer wall of the right caliper 107, the T shaft 114 is rotatably connected with the first lock block 112 and embedded in the inside of the first lock block 112, and the locking nut 115 is threadedly connected with the T shaft 114 and sleeved on the outer wall of the T shaft 114.

[0024] In the embodiment, the first lock block 112 is installed on the outer wall of the left measurer 101, the second lock block 113 is installed on the outer wall of the right measurer 102, the T shaft 114 is rotatable on the first lock block 112, one end of the T shaft 114 is placed in the inside of the second lock block 113, and then the locking nut 115 is tightened, so that the left detector and the right detector are fixed through the fixation of the T shaft 114 and the locking nut 115, and the stability during use is improved.

[0025] Further, the measuring mechanism further comprises two installation cylinders 116 and two wireless detection transmitters 117, each of the installation cylinders 116 is fixedly connected with the corresponding left caliper 106 and right caliper 107 and located at one end of the corresponding left caliper 106 and right caliper 107, and each of the wireless detection transmitters 117 is threadedly connected with the corresponding installation cylinder 116 and located at one end of the corresponding installation cylinder 116.

[0026] In the embodiment, the wireless detection transmitter 117 is installed on one end of the left caliper 106 and the right caliper 107 through the mounting cylinder 116, two groups of the wireless detection transmitter 117 are respectively connected with the left measurer 101 and the right measurer 102 through wires, and the measurement data is processed and wirelessly transmitted, so that the wireless transmission in a long distance is realized, and the convenience and flexibility in the measurement process are improved.

[0027] The above only discloses a preferred embodiment of the utility model, of course, cannot with this to limit the utility model right range, the person skilled in the art can understand that all or part of the processes of the above-mentioned embodiment are realized, and the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. A caliper type voltage measuring device comprising a left measuring device and a right measuring device, characterized in that, It further comprises a measuring mechanism; The measuring mechanism comprises a caliper assembly, a shaft, a rotating wheel, an arc ring and a lock assembly, the left measuring device is fixedly connected with the caliper assembly and located at one end of the caliper assembly, the right measuring device is fixedly connected with the caliper assembly and located at the other end of the caliper assembly, and the left measuring device and the right measuring device are adapted to each other, the number of the shaft is two groups, and each group of the shaft is fixedly connected with the corresponding left measuring device and right measuring device and located at one side of the corresponding left measuring device and right measuring device, the number of the rotating wheel is two groups, and each group of the rotating wheel is rotatably connected with the corresponding shaft and sleeved on the outer wall of the corresponding shaft, the number of the arc ring is two groups, and each group of the arc ring is fixedly connected with the corresponding rotating wheel and sleeved on the outer wall of the corresponding rotating wheel, and the lock assembly is arranged on the outer wall of the left measuring device and the right measuring device and adapted to the left measuring device and the right measuring device.

2. The caliper type voltage measuring device according to claim 1, characterized in that, The caliper assembly comprises a left caliper, a right caliper and a spring, the left caliper is rotatably connected with the right caliper, and the left caliper and the right caliper are adapted to each other, and the two ends of the spring are adapted to each other and located between the left caliper and the right caliper.

3. The caliper type voltage measuring device according to claim 2, characterized in that, The caliper assembly further comprises a control block, a connecting plunger and a traction rope, the control block is fixedly connected with the left caliper and located at one side of the left caliper, the connecting plunger is threadedly connected with the control block and embedded in the inside of the control block, and one end of the traction rope is fixedly connected with the connecting plunger and located at one end of the connecting plunger.

4. The caliper type voltage measuring device according to claim 3, characterized in that, The lock assembly comprises a first lock block, a second lock block, a T shaft and a locking nut, the first lock block is fixedly connected with the left caliper and located on the outer wall of the left caliper, the second lock block is fixedly connected with the right caliper and located on the outer wall of the right caliper, the T shaft is rotatably connected with the first lock block and embedded in the inside of the first lock block, and the locking nut is threadedly connected with the T shaft and sleeved on the outer wall of the T shaft.

5. The caliper type voltage measuring device according to claim 4, characterized in that, The measuring mechanism further comprises a mounting cylinder and a wireless detection transmitter, the number of the mounting cylinder is two groups, each group of the mounting cylinder is fixedly connected with the corresponding left caliper and right caliper and located at one end of the corresponding left caliper and right caliper, and the number of the wireless detection transmitter is two groups, each group of the wireless detection transmitter is threadedly connected with the corresponding mounting cylinder and located at one end of the corresponding mounting cylinder.

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