CN117031131A - Grounding resistance detection box - Google Patents

Abstract

The invention relates to the technical field of resistance detection equipment, in particular to a grounding resistance detection box, which comprises a box body and a protective door, wherein one side of the box body is connected with the protective door, four composite rods are arranged on the outer wall of one side of the protective door, one end of each composite rod is fixedly provided with a round block, one end of each round block is fixedly provided with a large square plate, the top of the large square plate is hinged with a first regulating block and is provided with a second regulating block, the first regulating block and the second regulating block can be connected together through regulation, and one side of the large square plate is provided with a top cover; the beneficial effects are as follows: the parts inside the top covers are exposed by rotating the top covers, the first adjusting blocks are rotated to be vertical along the hinging positions after the second inserting blocks are adjusted, the second adjusting blocks are pulled away from the first adjusting blocks and then rotated to be vertical, then the first adjusting blocks and the second adjusting blocks are combined together, the composite rods can be manually removed, other tools are not needed, the protective door can be easily removed by the aid of the two pull rods, time and labor are saved, and efficiency is improved.

Description

Grounding resistance detection box

Technical Field

The invention relates to the technical field of resistance detection equipment, in particular to a grounding resistance detection box.

Background

The ground resistance detection box is an instrument device for testing and measuring ground resistance. The main function of the device is to detect the grounding resistance value of the grounding system so as to ensure the normal operation and the safety of the grounding system.

After the preparation work is finished, the test cable is connected to the test port of the grounding resistance detection box, the test fixture at the other end is connected to the grounding device or the ground wire to be tested, then the proper measurement range and the measurement mode are selected according to the grounding resistance value range to be measured, and then the measurement work can be started.

However, before the measurement operation is carried out, the protective door of the ground resistance detection box needs to be opened, and the traditional protective door and the box body are mutually matched through screws and screw holes to be connected, so before the measurement, each screw needs to be detached one by one, in the detaching process, other tools are needed, the efficiency of the detection operation can be indirectly reduced, and the labor capacity of operators is improved.

Disclosure of Invention

The present invention is directed to a ground resistance detection box, which solves the above-mentioned problems of the related art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a ground resistance detection case, includes box and guard gate, one side of box is connected with the guard gate, and one side outer wall of guard gate is provided with four compound poles, and the one end of every compound pole all is fixed with the round block, and the one end of round block is fixed with big square plate, and the top of big square plate articulates there is first regulating block and is provided with the second regulating block, and first regulating block is connected together through adjusting with the second regulating block, and one side of big square plate is provided with the top cap, and two mounting grooves have been seted up to one side of guard gate, and the inside of two mounting grooves is all rotated and is connected with the pull rod, and the one end joint of pull rod is in the inside of guard gate.

Preferably, the screw holes have all been seted up at four corners of box one side outer wall, and four screw holes are the equidistance and arrange, and four circular holes that link up have been seted up to one side outer wall of guard gate, and circular hole and screw hole are located same horizontal line, and every composite rod all includes screw rod and round bar, the one end fixed connection of screw rod and the one end of round bar, the outer wall of screw rod and the inside threaded connection of screw hole, the outer wall of round bar and the inside sliding connection of circular hole, the other end of round bar pass one side of circular hole and with the one end fixed connection of round piece.

Preferably, each the equal fixedly connected with hollow box of one side outer wall of first regulating block, the standing groove has all been seted up to the inside one end of each big square board, two through-holes have been seted up to the inner wall one end of standing groove, the standing groove is linked together with the external world through the through-hole of seting up, the inside of two through-holes all sliding connection has little connecting plate, fixedly connected with bottom block and little square board between two little connecting plates, bottom block and little square board keep away from each other, bottom block sliding connection is inside the standing groove, little square board is located big square board outside, the inside rotation of little square board is connected with the rotating block, rotating block one end passes little square board one side and rotates and be connected with the second inserted block, the one end of second inserted block is the chamfer setting and with the inside joint of hollow box, the circular piece of second inserted block other end fixedly connected with, the diameter of circular piece is greater than the base length of hollow box, the outer wall fixedly connected with of circular piece is separated from each other and the rectangular handle about circular piece central line axisymmetric, fixedly connected with spring between bottom block and the standing groove inner wall top.

Preferably, the top of big square plate has seted up horizontal groove, and the spout has all been seted up to horizontal groove's both sides inner wall, and swing joint has same connecting piece between two spouts, and the connecting piece includes first well core rod, second well core rod and adapter sleeve, and the both ends of first well core rod slide swing joint with the inside of two spouts respectively, and the outer wall of first well core rod and second well core rod all rotates with the adapter sleeve to be connected, and the both ends of second well core rod rotate and all rotate with the inside of second regulating block to be connected.

Preferably, two slots which are far away from each other and form axisymmetry with respect to the central line of the first adjusting block are formed in the top of the first adjusting block, two first inserting blocks which are far away from each other and form axisymmetry with respect to the central line of the second adjusting block are fixedly connected to the top of the second adjusting block, one end of each first inserting block is clamped with the inside of each slot, and the cross sections of the slots and the first inserting blocks are all in an equal hexagon.

Preferably, vertical groove has been seted up to one side of big square board, rotate between the both sides inner wall in vertical groove and be connected with thin pole, the outer wall rotation of thin pole is connected with the connecting block, the inner wall rotation of connecting block is connected with the horizon bar, the both ends of horizon bar all rotate with the inside of top cap and be connected, the transversal C font of personally submitting of top cap, equal fixedly connected with fixture block between the both ends that top cap one side is close to each other, right trapezoid is personally submitted to the transversal of fixture block, the opening of lining up has been seted up to one side of fixture block, open-ended inside joint has the rectangle quarter butt, the one end of rectangle quarter butt and the opposite side fixed connection of big square board, the equal fixedly connected with rubber strip of both sides outer wall of rectangle quarter butt.

Preferably, two rectangle grooves that keep away from each other have been seted up to one side outer wall of box, and two rectangle grooves become axisymmetry about the central line of box one side outer wall, the equal fixedly connected with rubber circle of inner wall of two rectangle grooves, the transversal shape of opening is personally submitted to the rubber circle, and the opposite side outer wall fixedly connected with of guard gate is two rectangle pieces that keep away from each other, the inside joint of the outer wall of rectangle piece and rubber circle, the opposite side outer wall fixedly connected with four sets of evenly distributed's of guard gate clamping assembly, every clamping assembly of group all includes two auxiliary blocks that keep away from each other, and two sets of clamping assembly carry out the centre gripping to the same limit of box.

Preferably, the cross section of pull rod personally submits font, and the lug that keeps away from each other is connected with to the one end fixedly connected with of pull rod, and two recesses that keep away from each other have been seted up to the inner wall one end of mounting groove, and two recesses and two lugs are axisymmetric about the central line of mounting groove, lug and the inside joint of recess, and the one side outer wall fixedly connected with of pull rod buckles the piece, and the cross section of buckling the piece personally submits L shape.

Preferably, the other end fixedly connected with a plurality of evenly distributed's semicircle mat of pull rod, the equal fixedly connected with friction pad of both sides outer wall of lug, the one end of first regulating block is provided with the friction strip, and the one end that first regulating block and second regulating block and big square board are laminated mutually all is provided with the blotter.

Compared with the prior art, the invention has the beneficial effects that:

according to the grounding resistance detection box provided by the invention, the top covers are rotated to expose the parts in the top covers, the first adjusting blocks are rotated to be vertical along the hinge parts after the second inserting blocks are adjusted, the second adjusting blocks are pulled away from the first adjusting blocks and then rotated to be vertical, then the first adjusting blocks and the second adjusting blocks are combined together, so that each composite rod can be manually removed, other tools are not needed, and then the protective door can be easily removed by two pull rods, so that the time and labor are saved, and the efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the case of the present invention;

FIG. 3 is a schematic view of the overall structure of the protective door of the present invention;

FIG. 4 is a schematic view of the overall structure of the composite rod and top cover of the present invention;

FIG. 5 is a schematic view of the overall internal structure of the top cover of the present invention;

FIG. 6 is a schematic cross-sectional view of the interior of the top cover of the present invention;

FIG. 7 is a schematic cross-sectional view of the interior of the top cover of the present invention from another perspective;

FIG. 8 is a schematic diagram of a connection structure of a second insert block according to the present invention;

fig. 9 is a schematic bottom view of two adjusting blocks according to the present invention.

In the figure: 1. a case; 2. a threaded hole; 3. rectangular grooves; 4. a rubber ring; 5. rectangular blocks; 6. a protective door; 7. an auxiliary block; 8. a composite rod; 9. round blocks; 10. a large square plate; 11. a first adjustment block; 12. a friction bar; 13. a slot; 14. a horizontal slot; 15. a chute; 16. a connecting piece; 17. a second adjustment block; 18. a first plug; 19. a connecting block; 20. a vertical slot; 21. a horizontal bar; 22. a top cover; 23. a clamping block; 24. an opening; 25. rectangular short bars; 26. a rubber strip; 27. a hollow box; 28. a through hole; 29. a small connecting plate; 30. a bottom block; 31. a small square plate; 32. a second insert block; 33. a circular block; 34. a rectangular handle; 35. a spring; 36. a rotating block; 37. a placement groove; 38. a cushion pad; 39. a mounting groove; 40. a pull rod; 41. bending the block; 42. a semicircular pad; 43. a groove; 44. a bump; 45. friction pad.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.

Example 1

Referring to fig. 1, 4, 5 and 6, the present invention provides a technical solution: the novel protective door comprises a box body 1 and a protective door 6, wherein one side of the box body 1 is connected with the protective door 6, four composite rods 8 are arranged on the outer wall of one side of the protective door 6, round blocks 9 are fixed at one end of each composite rod 8, a large square plate 10 is fixed at one end of each round block 9, a first adjusting block 11 is hinged to the top of each large square plate 10 and is provided with a second adjusting block 17, the first adjusting block 11 and the second adjusting block 17 can be connected together through adjustment, a top cover 22 is arranged on one side of each large square plate 10, two mounting grooves 39 are formed in one side of the protective door 6, pull rods 40 are connected in the two mounting grooves 39 in a rotating mode, and one ends of the pull rods 40 are clamped inside the protective door 6; the parts in the top covers 22 are exposed by rotating the top covers, the first adjusting block 11 rotates to be vertical along the hinge after the subsequent parts are adjusted, the second adjusting block 17 firstly stretches out the first adjusting block 11 and then rotates to be vertical, then the first adjusting block 11 and the second adjusting block 17 are combined together, the composite rods 8 can be manually detached, other tools are not needed, and then the protective door 6 can be easily detached by the aid of the two pull rods 40, so that time and labor are saved, and efficiency is improved.

Example two

Referring to fig. 4, on the basis of the first embodiment, in order to reduce the time and effort consumed for manually removing each composite rod 8, threaded holes 2 are formed in four corners of the outer wall of one side of the box body 1, the four threaded holes 2 are distributed at equal intervals, four through circular holes are formed in the outer wall of one side of the protective door 6, the circular holes and the threaded holes 2 are located on the same horizontal line, each composite rod 8 comprises a screw rod and a round rod, one end of the screw rod is fixedly connected with one end of the round rod, the outer wall of the screw rod is in threaded connection with the inner portion of the threaded hole 2, the outer wall of the round rod is in sliding connection with the inner portion of the circular hole, and the other end of the round rod penetrates one side of the circular hole and is fixedly connected with one end of the round block 9.

The screw thread of each composite rod 8 is offered the length and is less than half of the whole length of composite rod 8, and the length of screw rod equals with the degree of depth of screw hole 2, and the length of round bar equals with the thickness of guard gate 6, just need rotate less time after passing the circular hole of seting up on the guard gate 6 to composite rod 8 promptly, can make the other end of screw rod break away from the inside of screw hole 2 completely, and in the same way, under the installation, when both mutual contact, round block 9 can laminate in order to firmly press from both sides it with guard gate 6 mutually, improves the installation steadiness.

Example III

Referring to fig. 5, 7 and 8, on the basis of the second embodiment, in order to rotate the first adjusting block 11, before this, the position of the second inserting block 32 needs to be adjusted, the outer wall of one side of each first adjusting block 11 is fixedly connected with the hollow box 27, a placing groove 37 is formed in one end of each large square plate 10, two through holes 28 are formed in one end of the inner wall of the placing groove 37, the placing groove 37 is communicated with the outside through the formed through holes 28, the small connecting plates 29 are slidably connected in the two through holes 28, a bottom block 30 and a small square plate 31 are fixedly connected between the two small connecting plates 29, the bottom block 30 and the small square plate 31 are far away from each other, the bottom block 30 is slidably connected in the placing groove 37, the small square plate 31 is located outside the large square plate 10, a rotating block 36 is rotatably connected in the small square plate 31, one end of the rotating block 36 penetrates through one side of the small square plate 31 and is rotatably connected with the second inserting block 32, one end of the second inserting block 32 is arranged and is clamped in the hollow box 27, the other end of the second inserting block 32 is fixedly connected with the other end of the small inserting block 28, the bottom block 30 is fixedly connected with the small connecting plate 29, the bottom block 30 is far away from the circular box 33, and the circular groove 33 is fixedly connected with the circular groove 33, and the circular groove 33 is far from the circular groove 33.

Under the default condition, the chamfer end of the second insert block 32 is clamped to the inside of the hollow box 27, the first adjusting block 11 is not rotated at this time, the two rectangular handles 34 are pressed down so that the second insert block 32 is vertically displaced downwards, the spring 35 is stretched at this time, when the small connecting plate 29 is displaced to the lower end of the through hole 28, the chamfer end of the second insert block 32 is already separated from the bottom end of the hollow box 27 by a small distance, the second insert block 32 is enabled to normally rotate by the distance, the chamfer end of the second insert block 32 is rotated to the direction opposite to the default condition through the rotating block 36, the two rectangular handles 34 are released at this time, the spring 35 is not exerted by external force so as to restore deformation, the bottom block 30 is restored to the original position, the first adjusting block 11 is not limited by the chamfer end of the second insert block 32 at this time, the position of the first adjusting block 11 can be rotated to be vertical along the hinge, the position of the first adjusting block 11 is limited by the hinge position, the position is prevented from rotating due to the hinge position, the top cover 22 is prevented from being pushed inwards, the top cover 22 is prevented from being separated from the installation position, and the top cover 22 is prevented from being separated from the installation position, professional and the professional protection performance is difficult to be removed.

Example IV

Referring to fig. 5 and 6, on the basis of the third embodiment, in order to further facilitate manual dismantling of each composite rod 8, a horizontal groove 14 is formed at the top of the large square plate 10, sliding grooves 15 are formed on inner walls of two sides of the horizontal groove 14, a same connecting piece 16 is movably connected between the two sliding grooves 15, the connecting piece 16 comprises a first central rod, a second central rod and a connecting sleeve, two ends of the first central rod are respectively and slidably connected with the interiors of the two sliding grooves 15, outer walls of the first central rod and the second central rod are respectively and rotatably connected with the connecting sleeve, two ends of the second central rod are rotatably connected with the interiors of the second regulating blocks 17, two slots 13 which are far away from each other and are axisymmetric with respect to the central line of the first regulating blocks 11 are formed at the top of the first regulating blocks 11, two first inserting blocks 18 which are far away from each other and axisymmetric with respect to the central line of the second regulating blocks 17 are fixedly connected at the top of the second regulating blocks 17, one end of each first inserting block 18 is clamped with the interior of the slot 13, cross sections of each inserting block 18 are hexagonal.

After the first adjusting block 11 rotates from the horizontal to the vertical, the second adjusting block 17 is pushed to the direction far away from the first adjusting block 11, through the connecting piece 16, the second adjusting block 17 rotates from the horizontal to the vertical, and then the second adjusting block 17 is pushed to the first adjusting block 11 all the time until the two first inserting blocks 18 are respectively and completely inserted into the two inserting grooves 13, at the moment, the second adjusting block 17 and the first adjusting block 11 are combined into a whole, and the composite rod 8 can be synchronously driven by rotating the second adjusting block 17 and the first inserting blocks 11, so that the manual dismantling of the composite rod 8 is completed, other tools are not needed, and the contact area of the first adjusting block 11 and the second adjusting block 17 is increased, so that the combined whole is more stable.

Example five

Referring to fig. 4 and 6, on the basis of the fourth embodiment, before the first adjusting block 11 and the second adjusting block 17 are adjusted, the position of the top cover 22 needs to be changed, a vertical groove 20 is formed in one side of the large square plate 10, a thin rod is rotatably connected between inner walls of two sides of the vertical groove 20, an outer wall of the thin rod is rotatably connected with a connecting block 19, inner walls of the connecting block 19 are rotatably connected with a horizontal rod 21, two ends of the horizontal rod 21 are rotatably connected with the inner portion of the top cover 22, the cross section of the top cover 22 is in a shape like a letter C, clamping blocks 23 are fixedly connected between two ends of one side of the top cover 22, the cross section of the clamping blocks 23 is in a shape of a right trapezoid, an opening 24 penetrating through is formed in one side of the clamping blocks 23, a rectangular short rod 25 is fixedly connected with one end of the rectangular short rod 25 and the other side of the large square plate 10, and rubber strips 26 are fixedly connected to outer walls of two sides of the rectangular short rod 25.

The top cap 22 defaults down and detains at the top of first regulating block 11 and second regulating block 17, play good guard action, rectangle quarter butt 25 is under the effect of the rubber strip 26 that sets up, the inside inseparable joint of opening 24 of seting up on fixture block 23, frictional force between the two is improved, because the transversal of fixture block 23 personally submits right trapezoid, and the great rectangle face of fixture block 23 area contacts with top cap 22, this makes fixture block 23 set up more firmly, improve life, through connecting block 19 that sets up, horizon bar 21 and slender rod, can be relaxed rotate top cap 22, make each part that its protected appear, because the transversal of top cap 22 personally submits the C font, namely its in whole rotation in-process all can not contact with each part of its inside, design benefit, be convenient for other regulation operations go on.

Example six

Referring to fig. 1, fig. 2 and fig. 3, on the basis of the first embodiment, in order to further improve the stability after the guard gate 6 is installed, two rectangle grooves 3 that keep away from each other are seted up to the outer wall of one side of the box 1, the central line of outer wall of one side of the box 1 becomes axisymmetry about two rectangle grooves 3, the inner wall of two rectangle grooves 3 all fixedly connected with rubber circle 4, the transversal shape of taking the mouth of the section of rubber circle 4, the outer wall fixedly connected with of the opposite side of guard gate 6 is two rectangle pieces 5 that keep away from each other, the inner joint of outer wall and rubber circle 4 of rectangle piece 5, the outer wall fixedly connected with of the opposite side of guard gate 6 is four sets of evenly distributed's clamping components, every clamping component of group all includes two auxiliary blocks 7 that keep away from each other, two sets of clamping components carry out the centre gripping to the same limit of box 1.

Before each composite rod 8 is installed, first need install the guard gate 6 to the one side outer wall of box 1, direct drive guard gate 6 inserts the inside of two rectangle grooves 3 respectively with two rectangle pieces 5, treat when rectangle piece 5 one end is inconsistent with rectangle groove 3 inner wall one end, four sets of clamping assemblies also will carry out the centre gripping to two limits of box 1 simultaneously, through setting up the rubber circle 4 of two mouths font, the friction of rectangle piece 5 and the production of rectangle groove 3 internally mounted or demolishment has been increased for stability after the two are installed each other promotes by a wide margin.

Example seven

Referring to fig. 1 and 9, on the basis of the third embodiment, in order to facilitate the removal of the protective door 6 and reduce the labor amount in the whole operation process, the cross section of the pull rod 40 is -shaped, one end of the pull rod 40 is fixedly connected with two mutually-far-away protruding blocks 44, one end of the inner wall of the mounting groove 39 is provided with two mutually-far-away grooves 43, the two grooves 43 and the two protruding blocks 44 are axisymmetric with respect to the central line of the mounting groove 39, the protruding blocks 44 are in clamping connection with the grooves 43, one side outer wall of the pull rod 40 is fixedly connected with a bending block 41, the cross section of the bending block 41 is L-shaped, the other end of the pull rod 40 is fixedly connected with a plurality of semicircular pads 42 which are uniformly distributed, two side outer walls of the protruding blocks 44 are fixedly connected with friction pads 45, one end of the first adjusting block 11 is provided with friction strips 12, and one end of the first adjusting block 11 and one end of the second adjusting block 17, which is attached to the large square plate 10, is provided with a buffer pad 38.

Under the default state, two pull rods 40 are located the inside of two mounting grooves 39 respectively, after each composite rod 8 is demolishd, drive two bending blocks 41, make two pull rods 40 break away from the inside of two mounting grooves 39 respectively, the drive of pull rod 40 is more convenient in the setting of L shape, need overcome the friction that friction pad 45 and recess 43 inner wall produced in the in-process of drive, because of the setting of friction pad 45, make pull rod 40 be in good steady state before demolishing, afterwards, manual outwards pulling two pull rods 40, alright with the ease demolishs guard gate 6, this in-process, the finger contacts with the semicircle pad 42 that sets up, prevent against the hand, reduce the manpower loss, the setting of friction strip 12 has increased the friction of first regulating block 11 and finger, the convenience rotates it.

During actual use, through connecting block 19, horizontal pole 21 and the slender rod that set up, can be relaxed rotate top cap 22, make each part that its protected appear, push down two rectangle handles 34 and then make the vertical downward displacement of second inserted block 32, at this moment spring 35 is stretched, wait when little connecting plate 29 displacement to the lower extreme of through-hole 28, rotate the chamfer end of second inserted block 32 to the opposite direction of default state, loosen two rectangle handles 34 at this moment, the bottom block 30 resumes normal position thereupon, first regulating block 11 is not influenced by the restriction of second inserted block 32 chamfer end at this moment, rotate first regulating block 11 to vertical back by the level, push away from first regulating block 11's direction earlier, through connecting piece 16 that sets up, afterwards rotate second regulating block 17 to vertical by the level, push away from second regulating block 17 to first regulating block 11 department all the time, until two first inserted blocks 18 are respectively and just completely insert the inside of two slots 13, at this moment second regulating block 17 and first regulating block 11 are for first regulating block 11 to merge the restriction of its chamfer end, can remove the manual transmission line with the manual transmission line 40 to the manual transmission line 40, the manual transmission of force is realized, the manual transmission is realized to the two and the manual transmission is broken down, the manual transmission is realized, the manual transmission is broken down to the manual transmission is realized by the manual transmission is realized, and the manual transmission is broken down, and is broken down with the manual transmission is broken down, and the manual transmission is convenient and, and has been moved down, and is convenient and convenient, and is easy, and convenient and has.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a ground resistance detection case, includes box (1) and guard gate (6), its characterized in that: one side of box (1) is connected with guard gate (6), one side outer wall of guard gate (6) is provided with four compound poles (8), the one end of every compound pole (8) all is fixed with circle piece (9), the one end of circle piece (9) is fixed with big square board (10), the top of big square board (10) articulates has first regulating block (11) and is provided with second regulating block (17), first regulating block (11) and second regulating block (17) are through adjusting can be connected together, one side of big square board (10) is provided with top cap (22), two mounting grooves (39) have been seted up to one side of guard gate (6), the inside of two mounting grooves (39) all rotates and is connected with pull rod (40), the one end joint of pull rod (40) is in the inside of guard gate (6).

2. A ground resistance detection box according to claim 1, characterized in that: screw holes (2) have all been seted up at four corners of box (1) one side outer wall, four screw holes (2) are the equidistance and arrange, four circular holes that link up have been seted up to one side outer wall of guard gate (6), circular hole and screw hole (2) are located same horizontal line, every composite rod (8) all include screw rod and round bar, the one end fixed connection of screw rod and the one end of round bar, the outer wall of screw rod and the inside threaded connection of screw hole (2), the outer wall of round bar and the inside sliding connection of circular hole, the other end of round bar passes one side of circular hole and the one end fixed connection of round block (9).

3. A ground resistance detection box according to claim 2, characterized in that: the outer wall of one side of each first regulating block (11) is fixedly connected with a hollow box (27), the inside of one end of each large square plate (10) is provided with a placing groove (37), two through holes (28) are formed in one end of the inner wall of the placing groove (37), the placing groove (37) is communicated with the outside through the formed through holes (28), small connecting plates (29) are slidably connected in the inside of the two through holes (28), a bottom block (30) and a small square plate (31) are fixedly connected between the two small connecting plates (29), the bottom block (30) and the small square plate (31) are mutually far away, the bottom block (30) is slidably connected in the placing groove (37), the small square plate (31) is positioned outside the large square plate (10), a rotating block (36) is rotatably connected in the inside of the small square plate (31), one end of the rotating block (36) penetrates through one side of the small square plate (31) and is rotatably connected with a second inserting block (32), one end of the second inserting block (32) is in a chamfer arrangement and is clamped with the inside of the hollow box (27), the other end of the second inserting block (32) is fixedly connected with the circular center line (33) of the circular shaft (33) in a circular shape, the circular center line (33) is far away from the circular center line (33) of the circular center line (33), a spring (35) is fixedly connected between the bottom block (30) and the top end of the inner wall of the placing groove (37).

4. A ground resistance detection box according to claim 3, characterized in that: horizontal groove (14) have been seted up at the top of big square plate (10), spout (15) have all been seted up to the both sides inner wall of horizontal groove (14), swing joint has same connecting piece (16) between two spouts (15), connecting piece (16) are including first well core rod, second well core rod and adapter sleeve, the both ends of first well core rod respectively with the inside sliding swing joint of two spouts (15), the outer wall of first well core rod and second well core rod all rotates with the adapter sleeve to be connected, the both ends of second well core rod rotate all with the inside rotation of second regulating block (17) to be connected.

5. A ground resistance detection box according to claim 4, characterized in that: two slots (13) which are far away from each other and are axisymmetric with respect to the central line of the first adjusting block (11) are formed in the top of the first adjusting block (11), two first inserting blocks (18) which are far away from each other and are axisymmetric with respect to the central line of the second adjusting block (17) are fixedly connected to the top of the second adjusting block (17), one end of each first inserting block (18) is clamped with the inside of each slot (13), and the cross sections of the slots (13) and the first inserting blocks (18) are all in an equal hexagon shape.

6. A ground resistance detection box according to claim 5, characterized in that: vertical groove (20) have been seted up to one side of big square plate (10), rotate between the both sides inner wall of vertical groove (20) and be connected with thin pole, the outer wall rotation of thin pole is connected with connecting block (19), the inner wall rotation of connecting block (19) is connected with horizon bar (21), the both ends of horizon bar (21) all rotate with the inside of top cap (22) and are connected, the transversal C font of personally submitting of top cap (22), all fixedly connected with fixture block (23) between the both ends that are close to each other of top cap (22) one side, the transversal right trapezoid that personally submits of fixture block (23), opening (24) that link up have been seted up to one side of fixture block (23), the inside joint of opening (24) has rectangle quarter butt (25), the one end of rectangle quarter butt (25) and the opposite side fixed connection of big square plate (10), the equal fixedly connected with rubber strip (26) of both sides outer wall of rectangle quarter butt (25).

7. A ground resistance detection box according to claim 1, characterized in that: two rectangle grooves (3) that keep away from each other have been seted up to one side outer wall of box (1), and two rectangle grooves (3) become axisymmetry about the central line of box (1) one side outer wall, and the equal fixedly connected with rubber circle (4) of inner wall of two rectangle grooves (3), the transversal shape of personally submitting of rubber circle (4), the opposite side outer wall fixedly connected with of guard gate (6) rectangle piece (5) that keep away from each other, the inside joint of the outer wall of rectangle piece (5) and rubber circle (4), the opposite side outer wall fixedly connected with of guard gate (6) four sets of evenly distributed's clamping components, every clamping component of group all includes two auxiliary blocks (7) that keep away from each other, and two sets of clamping components carry out the centre gripping to the same limit of box (1).

8. A ground resistance detection box according to claim 1, characterized in that: the cross section of pull rod (40) personally submits font, and two lugs (44) that keep away from each other are fixedly connected with to one end of pull rod (40), and recess (43) that keep away from each other are seted up to inner wall one end of mounting groove (39), and two recess (43) and two lugs (44) are axisymmetric about the central line of mounting groove (39), and lug (44) and the inside joint of recess (43), one side outer wall fixedly connected with bending block (41) of pull rod (40), the cross section of bending block (41) personally submits L shape.

9. A ground resistance detection box according to claim 8, characterized in that: the other end fixedly connected with a plurality of evenly distributed semicircular pads (42) of pull rod (40), the equal fixedly connected with friction pad (45) of both sides outer wall of lug (44), the one end of first regulating block (11) is provided with friction strip (12), and the one end that first regulating block (11) and second regulating block (17) and big square board (10) are laminated all is provided with blotter (38).