CN217786561U - Metering and calibrating device for jack - Google Patents

Abstract

The utility model relates to a measurement calibrating device of jack relates to jack calibration technical field. The utility model discloses a support frame, bracing piece and roof, the support frame bottom has connect soon the leveling screwed pipe, and support frame upside front end joint is fixed with the spirit level, and support frame upside one end rotates the joint and has the display, and the support frame upside connects soon all around and is fixed with the bracing piece, and bracing piece outer peripheral face one end top-down runs through and has seted up the locating hole, and the upper end joint of the support bar has the roof, and roof both ends slip joint has the locating lever. The utility model discloses a support frame, bracing piece and roof, it is great to have solved current jack occupation space, and the transportation is comparatively inconvenient with accomodating, and the flexibility of use is lower, can't carry out the level (l) ing, problem that the calibration result precision is not high.

Description

Metering and calibrating device for jack

Technical Field

The utility model relates to a jack calibration technical field especially relates to a measurement calibrating device of jack.

Background

The jack is light and small hoisting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a small stroke of a top bracket or a bottom supporting claw, the jack is mainly used in departments of factories, mines, transportation and the like as vehicle repair and other hoisting, supporting and the like, the structure of the jack is light, firm, flexible and reliable, the jack can be carried and operated by one person, the jack is mainly divided into a screw jack, a hydraulic jack, an electric jack and the like, in the process of using the jack for a long time, in order to ensure that the jack can normally work, a metering calibration device (such as a jack calibrator and the like) is often required to be used for periodically calibrating the jack, the jack calibrator is a corollary device used for testing the pressure of the jack, a beam-making field and the like, the jack and an oil pump delivery metering department are heavy in testing and carrying, the metering is troublesome, the metering cost is low, the jack calibrator is simple to operate, the testing is rapid and convenient, and the testing cost is also low for a construction unit, but the following disadvantages exist in the practical use:

1. the existing published document, CN207570813U, a large-tonnage jack calibration device, a dynamometer is provided with a pressure sensor, the dynamometer is located above a jack, a force-bearing axis of the dynamometer and a force-bearing line of the jack are on the same vertical line, the jack includes a cylinder and a piston, the dynamometer, the jack and a cushion block are all placed in a frame, an oil pump is connected with the cylinder of the jack through an oil pipe, the oil pump is provided with an oil pressure gauge, the existing jack measurement calibration device is mostly of such a structure, and can perform periodic calibration on the jack so as to meet the requirement of accurately measuring engineering bearing capacity in production work, but in the actual use process, particularly when the calibration device used for a jack with a larger volume is stored and transported, the device has a larger volume, larger occupied space and more inconvenient transportation, and the calibration device can only perform calibration on the jack with a certain size, and when the jack has a smaller volume and a larger device volume, the cushion block is usually used to reduce the distance between the jack and the dynamometer, thereby facilitating the calibration operation and having lower convenience in use;

2. when the existing metering and calibrating device of the jack is used for calibrating the jack, the device is usually required to be placed on a horizontal ground, so that the phenomenon that the measuring result deviates due to factors such as gravity is avoided, the device is usually difficult to be completely placed horizontally when the environment is severe, and a worker is possibly difficult to distinguish whether the device is placed horizontally or not, and the calibrating accuracy is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measurement calibrating device of jack through support frame, bracing piece and roof, has solved current jack occupation space great, transports and accomodates comparatively inconveniently, and the flexibility of use is lower, can't carry out horizontal adjustment, problem that the calibration result precision is not high.

In order to realize the purpose, the utility model adopts the technical scheme as follows:

the utility model relates to a measurement calibrating device of jack, including support frame, bracing piece and roof, the support frame bottom has connect the leveling screwed pipe soon, support frame upside front end joint is fixed with the spirit level, can determine whether the support frame upside is in horizontal position through the spirit level to can carry out the leveling to the support frame through revolving to revolve the leveling screwed pipe, guarantee the precision of calibration, support frame upside one end rotates the joint and has the display, can carry out the dynamometry to the jack of placing in the support frame upside through the dynamometry appearance and show in the display, and the staff of being convenient for calibrates the jack, the support frame upside revolves all around to connect and is fixed with the bracing piece, bracing piece outer peripheral face one end top-down runs through and has seted up the locating hole, and the bracing piece can be in the transportation with accomodate the time revolve wrong take off, be convenient for accomodate respectively, improve space utilization, through the position of a plurality of locating hole roofs, be convenient for calibrate the jack of different sizes, improve the convenience of using, bracing piece upper end joint has the roof, roof both ends joint has the locating lever, can carry out the joint through the pulling locating lever, and can adjust the convenience simple operation.

Furthermore, a dynamometer is clamped and fixed in the center of the upper side of the support frame, a first base plate is fixedly bonded to the upper end of the dynamometer, a containing groove is formed in one end of the upper side of the support frame, the display is rotationally clamped and connected to the inner side of the containing groove, and a power socket is formed in one end of the support frame;

be provided with pressure sensor on the dynamometer, through placing the jack in first backing plate upside and start jack and dynamometer, can make the dynamometer apply in the effort of dynamometer to the jack and survey to show measurement result through the display, the staff of being convenient for calibrates the jack, and the simultaneous display can rotate when accomodating and transporting and accomodate the inslot side in accomodating, reduces its damage probability, further reduces the utility model discloses a volume improves space utilization.

Furthermore, a leveling threaded rod is arranged around the bottom end of the supporting frame, the leveling threaded pipe is connected to the outer peripheral surface of the leveling threaded rod in a rotating mode, and an anti-skid pad is fixedly bonded to the bottom end of the leveling threaded pipe;

whether the support frame upside is in horizontal position can be monitored through the spirit level, when the support frame certain angle's slope appears, can adjust the height all around of support frame through revolving to twist leveling screwed pipe, make the support frame upside resume the level, guarantee the accuracy of calibration result.

Furthermore, a positioning thread groove is formed in the periphery of the upper end of the support frame and located on the upper side of the leveling thread rod, a positioning thread rod is fixedly welded to the bottom end of the support rod, and the positioning thread rod is fixedly screwed inside the positioning thread groove;

when not needing to use, take off the bracing piece through revolving soon, be convenient for arrange in order, reduce simultaneously the utility model discloses a volume improves space utilization.

Furthermore, sliding grooves are formed in the upper side and the lower side of the top plate, a clamping block is fixedly welded on one side of the positioning rod, the clamping block is connected to the inner side of the sliding groove in a sliding and clamping mode, and a handle is fixedly welded on one end, located on the outer side of the top plate, of the positioning rod;

can drive the locating lever through pulling the handle and slide along the spout, be convenient for carry out the joint between roof and the bracing piece, easy operation is convenient, and can carry out the stable connection between roof and the bracing piece, stability when guaranteeing to use.

Furthermore, jacks are formed in the periphery of the upper end of the top plate in a penetrating mode, the supporting rods are inserted into the inner sides of the jacks, the positioning rods are inserted into the inner sides of the positioning holes, and the positioning rods are attached to the upper side and the lower side of the top plate;

the staff can be according to the size of a dimension of jack, adjust the position of roof at the bracing piece upside to peg graft the locating lever in the locating hole inboard of suitable position, avoid because the less dynamometry of jack size is inconvenient, avoid because the jack size is too big can't hold the jack in leading to the device, improve the convenient degree of use.

Furthermore, a second base plate is fixedly bonded in the center of the bottom end of the top plate and is suspended above the first base plate;

through first backing plate and second backing plate can avoid the effort direct action of jack to dynamometer and roof, avoid because the too big deformation that leads to roof or dynamometer of local pressure damages, the extension the utility model discloses a life.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

1. the utility model discloses a set up the support frame, bracing piece and roof, the measurement calibrating device who has solved current jack can carry out periodic calibration for the jack, with satisfy the needs of accurate measurement engineering bearing capacity in the production work, but in the in-service use process, especially when the calibrating device who uses to the jack of great volume saves and carries, because the device volume is great, occupation space is great, it is comparatively inconvenient to carry, and calibrating device often only can carry out calibration use to the jack of a certain size, need use the cushion with distance between reduction jack and the dynamometry appearance when the jack volume is less and the device volume is great usually, be convenient for carry out the check-up operation, the lower problem of convenience of use, the support frame, can with carry out the split between bracing piece and the roof, be convenient for accomodate and transport, improve the utilization ratio in space, peg graft in the locating hole inboard of different positions through the locating lever, can adjust the distance between roof and the support frame, make can place not unidimensional jack between roof and the support frame, and be convenient to carry out the calibration to the jack, improve the convenience of use.

2. The utility model discloses a set up the support frame, the measurement calibrating device who has solved current jack is when carrying out the calibration to the jack, generally need place the device in level ground, in order to avoid because factors such as gravity lead to measuring result to appear the deviation, nevertheless when the environment is comparatively abominable, the device is difficult to place the level completely usually, and whether the staff probably is difficult to distinguish the device and places the level, the not high problem of calibrated accuracy, can monitor whether the support frame is in horizontal position through the spirit level, and can twist soon when the support frame appears inclining and twist the leveling screwed pipe and carry out the leveling to the support frame surface, guarantee the precision of calibration.

Drawings

Fig. 1 is a top view of the metering calibration device of the jack of the present invention;

fig. 2 is a side view of the support frame of the present invention;

FIG. 3 is a structural diagram of the support frame of the present invention;

FIG. 4 is a structural view of the support rod of the present invention;

fig. 5 is a structural view of the top plate of the present invention;

fig. 6 is a bottom view of the top plate of the present invention.

In the attached drawings, 1, a support frame; 101. leveling the threaded pipe; 102. a level gauge; 103. a force measuring instrument; 104. a first backing plate; 105. a power outlet; 106. a storage groove; 107. a display; 108. positioning a thread groove; 109. leveling the threaded rod; 110. a non-slip mat; 2. a support bar; 201. positioning holes; 202. positioning a threaded rod; 3. a top plate; 301. positioning a rod; 302. a clamping block; 303. a handle; 304. a jack; 305. a chute; 306. a second backing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

Please refer to fig. 1-6, the utility model relates to a metering calibration device of jack, including support frame 1, bracing piece 2 and roof 3, 1 bottom of support frame has connect the leveling screwed pipe 101 soon, 1 upside front end joint of support frame is fixed with spirit level 102, can determine whether 1 upside of support frame is in horizontal position through spirit level 102, and can level support frame 1 through revolving to twist leveling screwed pipe 101, 1 upside one end of support frame rotates the joint and has display 107, can carry out the dynamometry and show in display 107 to the jack of placing in 1 upside of support frame through dynamometry instrument 103, be convenient for the staff to calibrate the jack, 1 upside of support frame is revolved all around and is fixed with bracing piece 2, 2 outer peripheral face one end top-down of bracing piece runs through and has seted up locating hole 201, bracing piece 2 can be in the utility model discloses transport and when accomodating from 1 upside of support frame revolve twist and take off, be convenient for accomodate respectively, can adjust the position of roof 3 through a plurality of 201, be convenient to carry out the calibration to the jack of different sizes, 2 upper end joint has roof 3, roof 3 both ends slip joint has locating lever 301, make its locating hole can carry out the joint to inboard the locating hole and roof 2 of fixing through pulling.

As shown in fig. 2-3, a force measuring instrument 103 is fixed to the center of the upper side of the support frame 1 in a clamping manner, a first base plate 104 is fixedly bonded to the upper end of the force measuring instrument 103, a receiving groove 106 is formed in one end of the upper side of the support frame 1, the display 107 is rotationally clamped to the inner side of the receiving groove 106, a power socket 105 is formed in one end of the support frame 1, a leveling threaded rod 109 is formed around the bottom end of the support frame 1, a leveling threaded pipe 101 is screwed to the outer peripheral surface of the leveling threaded rod 109, and an anti-slip pad 110 is fixedly bonded to the bottom end of the leveling threaded pipe 101;

be provided with pressure sensor on dynamometer 103, peg graft in power socket 105 through the power cord and start display 107 and dynamometer 103, upwards rotate display 107, place the jack in first backing plate 104 upside and start the jack, can apply in the jack through dynamometer 103 the utility model discloses an effort is surveyed, and show measurement result through display 107, the staff of being convenient for calibrates the jack, display 107 can rotate when accomodating and transporting and accomodate groove 106 inboardly simultaneously, reduce its damage probability, further reduce the utility model discloses a volume can monitor whether support frame 1 upside is in horizontal position through spirit level 102, when certain angle's slope appears in support frame 1, can adjust support frame 1 height all around through revolving spiral leveling screwed pipe thread 101, make support frame 1 upside resume the level, guarantee the accuracy of calibration result.

As shown in fig. 1 and 4, a positioning thread groove 108 is formed around the upper end of the support frame 1, the positioning thread groove 108 is located on the upper side of the leveling thread rod 109, a positioning thread rod 202 is fixedly welded to the bottom end of the support rod 2, and the positioning thread rod 202 is screwed and fixed to the inner side of the positioning thread groove 108;

need not use the utility model discloses the time, take off bracing piece 2 from 1 upside of support frame through revolving wrong positioning threaded rod 202, be convenient for arrange in order and accomodate, reduce simultaneously the utility model discloses a volume.

As shown in fig. 1, 5 and 6, sliding grooves 305 are formed in the upper side and the lower side of a top plate 3, a clamping block 302 is welded and fixed on one side of a positioning rod 301, the clamping block 302 is slidably clamped and connected to the inner side of the sliding groove 305, a handle 303 is welded and fixed on one end of the positioning rod 301, which is located on the outer side of the top plate 3, insertion holes 304 are formed in the periphery of the upper end of the top plate 3 in a penetrating manner, a supporting rod 2 is inserted and connected to the inner side of the insertion holes 304, the positioning rod 301 is inserted and connected to the inner side of a positioning hole 201, the positioning rod 301 is attached to the upper side and the lower side of the top plate 3, a second base plate 306 is bonded and fixed to the center of the bottom end of the top plate 3, and the second base plate 306 hangs over the first base plate 104;

the staff can peg graft roof 3 in 2 upsides of bracing piece and according to the size of a dimension of jack through jack 304, adjust the suitable position of roof 3 to 2 upsides of bracing piece, avoid inconvenient because the less dynamometry of jack size, avoid leading to unable the jack that holds in the device because the jack size is too big, can drive locating lever 301 through pulling handle 303 and slide along spout 305, make locating lever 301 peg graft in locating hole 201 inboard, carry out the joint between roof 3 and the bracing piece 2, realize the stable connection between roof 3 and the bracing piece 2, effort direct action that can avoid the jack through first backing plate 104 and second backing plate 306 is in dynamometer 103 and roof 3, avoid because too big deformation damage that leads to roof 3 or dynamometer 103 of local pressure.

One specific application of this embodiment is: the utility model discloses in transportation and the storage process, roof 3 can be followed 2 upsides of bracing piece and extracted, bracing piece 2 can follow 1 upside of support frame and twist to twist and take off, be convenient for arrange in order and accomodate, the reduction the utility model discloses a volume, improve space utilization, after the transportation is to the place that needs to use, arrange flat ground in and know whether support frame 1 upside is in horizontal position through spirit level 102, when support frame 1 has the slope, twist according to spirit level 102 to leveling screwed pipe 101 and twist, change support frame 1 height all around until the leveling, avoid because the jack has the slope to lead to the not high precision of calibration, connect soon with the positioning threaded rod 202 of bracing piece 2 to be fixed in location thread groove 108 inboard, peg graft roof 3 in 2 upsides of bracing piece through jack 304, and move roof 3 to suitable height according to the volume of the jack that needs the calibration, pulling handle 303 makes locating lever 301 slide along spout 305, plug in 201 inboard the position between bracing piece 2 and roof 3 and fix the locating hole, easy operation convenience is convenient for carry out the convenience of calibration, and the power source line is arranged in the first jack 103 and is connected the power source line of the jack and is carried out the local pressure measurement and is carried out on the monitoring jack 103 and is displayed on the base plate 103 and is displayed on the base plate 103 and is convenient for the base plate 103, it is connected the base plate 103, it is displayed on the base plate 103 and is displayed in the base plate 103 and is convenient for the utility model discloses a life-to carry out the utility model discloses a long-load cell.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a measurement calibrating device of jack, includes support frame (1), bracing piece (2) and roof (3), its characterized in that: support frame (1) bottom has connect leveling screwed pipe (101) soon, support frame (1) upside front end joint is fixed with spirit level (102), support frame (1) upside one end rotates the joint and has display (107), support frame (1) upside connects all around soon and is fixed with bracing piece (2), bracing piece (2) outer peripheral face one end top-down runs through and has seted up locating hole (201), bracing piece (2) upper end joint has roof (3), roof (3) both ends slip joint has locating lever (301).

2. The metering and calibrating device for the jack according to claim 1, wherein a force measuring instrument (103) is fixed to the center of the upper side of the support frame (1) in a clamped manner, a first base plate (104) is fixedly bonded to the upper end of the force measuring instrument (103), a storage groove (106) is formed in one end of the upper side of the support frame (1), the display (107) is rotatably clamped to the inner side of the storage groove (106), and a power socket (105) is formed in one end of the support frame (1).

3. The metering and calibrating device of the jack as claimed in claim 1, wherein the periphery of the bottom end of the support frame (1) is provided with a leveling threaded rod (109), the leveling threaded tube (101) is screwed on the peripheral surface of the leveling threaded rod (109), and the bottom end of the leveling threaded tube (101) is fixedly bonded with an anti-slip pad (110).

4. The metering and calibrating device for the jack according to claim 3, wherein the periphery of the upper end of the support frame (1) is provided with a positioning threaded groove (108), the positioning threaded groove (108) is positioned on the upper side of the leveling threaded rod (109), the bottom end of the support rod (2) is fixedly welded with a positioning threaded rod (202), and the positioning threaded rod (202) is screwed and fixed on the inner side of the positioning threaded groove (108).

5. The metering and calibrating device for the jack according to claim 1, wherein sliding grooves (305) are formed in the upper side and the lower side of the top plate (3), a clamping block (302) is fixedly welded to one side of the positioning rod (301), the clamping block (302) is slidably clamped to the inner side of the sliding groove (305), and a handle (303) is fixedly welded to one end of the positioning rod (301) which is positioned on the outer side of the top plate (3).

6. The metering and calibrating device of a jack according to claim 1, wherein the top plate (3) has insertion holes (304) formed through the periphery thereof, the support rod (2) is inserted into the insertion holes (304), the positioning rod (301) is inserted into the positioning hole (201), and the positioning rod (301) is attached to the upper and lower sides of the top plate (3).

7. A jack metering and calibrating device as claimed in claim 2, wherein a second base plate (306) is adhesively fixed to the center of the bottom end of the top plate (3), and the second base plate (306) is suspended above the first base plate (104).

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