CN211651561U

CN211651561U - Braking gliding amount tester for crane

Info

Publication number: CN211651561U
Application number: CN202020640793.4U
Authority: CN
Inventors: 贺习福; 倪振磊; 刘秋生; 黄向东
Original assignee: Guangdong Zhongzhi Inspection And Testing Co ltd
Current assignee: Guangdong Zhongzhi Inspection And Testing Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-10-09
Anticipated expiration: 2030-04-24

Abstract

The utility model belongs to the technical field of the technique that the hoist detected and specifically relates to a braking gliding volume tester for hoist is related to. The tester comprises a tester main body, a telescopic box, a base box and a lifting device, wherein the telescopic box is provided with a first accommodating groove, and an opening of the first accommodating groove is positioned on the top surface of the telescopic box; the first accommodating groove is used for accommodating a tester main body, the tester main body can stretch relative to the telescopic box, and the tester main body is used for stretching out of the telescopic box to test the braking glide quantity of the crane; the base box is provided with a second accommodating groove, and an opening of the second accommodating groove is positioned on the top surface of the base box; the second accommodating groove is used for accommodating the telescopic box, and the telescopic box can stretch out and draw back in the vertical direction relative to the opening of the second accommodating groove; the lifting device is used for driving the telescopic box to move along the vertical direction so as to stretch relative to the base box. The utility model discloses following beneficial effect has: the height of the tester main body is adjusted by changing the position of the telescopic box relative to the base box, so that the tester main body can test cranes of different models.

Description

Braking gliding amount tester for crane

Technical Field

The utility model relates to a technical field that the hoist detected, more specifically says, it relates to a braking gliding volume tester for hoist.

Background

A crane is a common apparatus in building production, and refers to a multi-action crane that lifts and carries heavy objects vertically and horizontally within a certain range. The braking glide quantity of the crane is an important index for measuring the safety performance of the hoisting machinery, and if the glide quantity exceeds a standard range, the mechanical use failure is easily caused during the high-strength operation of the crane, so that the major safety accident of an operation field is easily caused. Therefore, the method is important for periodically measuring the braking slip amount of the crane.

At present, when the brake glide quantity of small-sized hoisting equipment is measured, a brake glide quantity tester for a crane is usually adopted to test the crane. The braking gliding quantity tester comprises a tester main body, wherein the main body can emit laser to a lifting hook of a crane, and then performs data analysis to detect the braking gliding quantity.

However, when the crane works in a workshop, the models of the cranes are different, so that different brake slip-off testers need to be replaced when the cranes of different models are detected, and the cost is high. When the same braking glide quantity tester is used, the tester needs to be moved and placed at different heights, which is troublesome.

Disclosure of Invention

The utility model aims at providing a braking gliding volume tester for hoist mainly lies in solving the problem that can't brake the gliding volume test to different model cranes fast among the prior art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a brake glide quantity tester for a crane comprises a tester main body, a telescopic box, a base box and a lifting device, wherein the telescopic box is provided with a first accommodating groove, and an opening of the first accommodating groove is positioned on the top surface of the telescopic box; the first accommodating groove is used for accommodating a tester main body, the tester main body can stretch out and draw back along the vertical direction relative to the opening of the first accommodating groove of the telescopic box, and the tester main body is used for stretching out of the telescopic box to test the braking glide quantity of the crane; the base box is provided with a second accommodating groove, and an opening of the second accommodating groove is positioned on the top surface of the base box; the second accommodating groove is used for accommodating the telescopic box, and the telescopic box can stretch out and draw back in the vertical direction relative to the opening of the second accommodating groove; the lifting device is used for driving the telescopic box to move along the vertical direction so as to stretch relative to the base box.

Through adopting above-mentioned technical scheme, when carrying out braking gliding volume test to the hoist of different models, can go up and down the expansion box through elevating gear to the height change that makes the tester main part adapts to the hoist of different models, tests it. Besides, the expansion box can accommodate the tester main body in the first accommodating groove, so that the tester main body is protected without measurement, and the tester main body is prevented from being damaged.

The utility model discloses further set up to: the side wall of the tester main body is provided with a limiting groove, the side wall of the first accommodating groove of the telescopic box is provided with a groove, and the extending direction of the groove is vertical to the extending direction of the first accommodating groove; the side wall of the groove is provided with a strip-shaped through hole, the strip-shaped through hole is positioned on the top surface of the telescopic box, and the length direction of the strip-shaped through hole is the same as the extending direction of the groove; the telescopic box is also provided with a sliding piece and a shifting block, and the shifting block is detachably connected with the sliding block; the sliding piece is arranged in the groove and can move along the extending direction of the groove, and one end of the sliding piece, which is far away from the shifting block, extends out of the groove and is spliced with the limiting groove; one end of the shifting block extends out of the strip-shaped through hole and can move along the length direction of the strip-shaped through hole.

Through adopting above-mentioned technical scheme, the tester main part need stretch out first holding tank when testing the hoist, for the convenience fixed tester main part, can promote the shifting block, makes the shifting block drive the gleitbretter motion to make the gleitbretter get into the spacing groove that tester main part lateral wall set up, with fixed tester main part, prevent that the tester main part from dropping and leading to damaging.

The utility model discloses further set up to: the shifting block is in threaded connection with the sliding sheet.

Through adopting above-mentioned technical scheme, shifting block and gleitbretter threaded connection, this kind of connected mode is comparatively firm, can make things convenient for the installation of gleitbretter and shifting block moreover.

The utility model discloses further set up to: the lifting device comprises a driving piece, a screw rod, a worm wheel and a worm, and the bottom of the telescopic box is provided with a threaded hole;

the driving piece is arranged on the outer wall of the base box and is used for driving the worm to rotate;

one end of the worm extends into the base box along the horizontal direction and is meshed with the worm wheel, and the worm wheel is rotatably arranged in the base box;

the screw rod is arranged in the base box along the vertical direction and can rotate relative to the base box, one end of the screw rod, which is close to the base box, is coaxially and fixedly connected with the worm wheel, and one end of the screw rod, which is far away from the worm wheel, is in threaded connection with the threaded hole;

the expansion box outer wall is provided with the guide block, and the lateral wall of second holding tank is provided with the guide way along the horizontal direction, and the guide block is pegged graft with the guide way, and the length direction motion of guide way can be followed to the guide block.

By adopting the technical scheme, when the position of the telescopic box relative to the base box needs to be changed, the driving piece drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the screw rod coaxial with the worm wheel to rotate, and when the screw rod rotates, under the guiding and limiting effect of the guide block, the screw rod drives the telescopic box to move along the axial direction of the screw rod, so that the screw rod drives the telescopic box to move relative to the base box.

The utility model discloses further set up to: the driving piece comprises a hand wheel, and the hand wheel is detachably connected with the worm.

Through adopting above-mentioned technical scheme, when rotating the hand wheel, can rotate the worm, this kind of mode is comparatively convenient, does not receive electric control moreover, and anytime and anywhere can all use.

The utility model discloses further set up to: the hand wheel is clamped with the worm.

Through adopting above-mentioned technical scheme, the hand wheel is connected in order to realize dismantling with the worm joint, and this kind of connected mode is comparatively convenient, can not make the two connect the pine because of the rotation of hand wheel moreover.

The utility model discloses further set up to: the tester main part is provided with the spirit level.

By adopting the technical scheme, the level meter can be convenient for a tester to determine whether the tester main body is horizontal or not, so that the situation that the testing is not accurate enough due to the fact that the position where the braking gliding amount tester for the crane is placed is incorrect is prevented.

The utility model discloses further set up to: more than two adjusting supporting legs are arranged at the bottom of the base box and are in threaded connection with the base box.

Through adopting above-mentioned technical scheme, the setting of adjusting the landing leg can improve the suitability of hoist for braking gliding volume tester, reduces because uneven ground leads to can not reach the test standard, need change the test position, removes hoist for braking gliding volume tester and hoist promptly. And the test difficulty is reduced.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the height of the tester main body is adjusted by changing the position of the telescopic box relative to the base box, so that the tester main body can test cranes of different models.

2. The tester main part can be put into the first holding tank of expansion box, can protect the tester main part, and is comparatively convenient.

3. The adjusting supporting legs and the level meter can be well leveled, and the accuracy of data tested by the tester main body is ensured.

Drawings

Fig. 1 is a schematic view of an overall structure of a braking glide quantity tester for a crane according to an embodiment of the present invention.

Fig. 2 is an exploded view of a brake down-slide tester for a crane according to an embodiment of the present invention.

Reference numerals: 1. a tester main body; 11. a limiting groove; 12. an L-shaped slot; 2. a telescopic box; 21. a first accommodating groove; 22. a groove; 23. a strip-shaped through hole; 24. sliding blades; 25. shifting blocks; 3. a base box; 31. a second accommodating groove; 4. a lifting device; 41. a drive member; 42. a screw; 43. a worm gear; 44. a worm; 5. a level gauge; 6. and (7) supporting legs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a braking glide quantity tester for a crane includes a tester body 1, a telescopic box 2, a base box 3, and a lifting device 4. The tester body 1 is used for testing the prepared glide quantity of the crane and can be selected in the prior art. The telescopic box 2 is a box body, can be a cuboid or a cylinder, and in the embodiment, is a cuboid. Bellows 2 is provided with first holding tank 21, and the opening part of first holding tank 21 is located bellows 2 top surface. The first accommodation groove 21 is used for accommodating the tester main body 1 to prevent the tester main body 1 from being damaged by collision when not in operation. Tester main part 1 can stretch out and draw back along vertical direction for the first holding tank 21 opening part of bellows 2, and test hoist braking glide quantity when tester main part 1 is used for stretching out bellows 2. In order to take out the tester main body 1 from the first accommodating groove 21 conveniently, the top of the tester main body 1 is provided with an L-shaped groove 12, and a worker can take the tester main body 1 through the groove. Besides, in order to ensure that the test result of the tester main body 1 is accurate, a level meter 5 is further installed on the tester main body 1, so that a worker can conveniently determine whether the tester main body 1 is level. In the present embodiment, the level 5 is mounted on the upper surface of the tester main body 1.

In order to stabilize the tester body 1, the side wall of the tester body 1 is provided with a limit groove 11, and the length direction of the limit groove 11 is consistent with that of the tester. The side wall of the first accommodating groove 21 of the telescopic box 2 is provided with a groove 22, and the extending direction of the groove 22 is perpendicular to the extending direction of the first accommodating groove 21. The side wall of the groove 22 is provided with a strip-shaped through hole 23, the strip-shaped through hole 23 is positioned on the top surface of the telescopic box 2, and the length direction of the strip-shaped through hole 23 is the same as the extending direction of the groove 22. The telescopic box 2 is further provided with a sliding piece 24 and a shifting block 25, and the shifting block 25 is detachably connected with the sliding block. Specifically, the shifting block 25 is in threaded connection with the sliding block. The sliding piece 24 is disposed in the groove 22 and can move along the extending direction of the groove 22. The sliding piece 24 is used for extending out of the groove 22 from one end of the shifting block 25 and is inserted into the limiting groove 11. One end of the shifting block 25, which is far away from the sliding sheet 24, extends out of the strip-shaped through hole 23 and can move along the length direction of the strip-shaped through hole 23. When need test the braking gliding volume to the hoist, lift tester main part 1 to make spacing groove 11 align with recess 22, then remove shifting block 25, make shifting block 25 drive gleitbretter 24 along the length direction motion of recess 22, so that gleitbretter 24 pegs graft with spacing groove 11, fixed tester.

The shape of base case 3 is unanimous with the shape of expansion box 2, and base case 3 is provided with second holding tank 31, and second holding tank 31 is arranged in holding expansion box 2, and elevating gear 4 is arranged in base case 3, and it is used for driving expansion box 2 and stretches out and draws back along vertical direction for second holding tank 31 opening part. Specifically, the lifting device 4 includes a driving element 41, a screw 42, a worm wheel 43 and a worm 44, and the driving element 41 is disposed on the outer wall of the base box 3 and is used for driving the worm 44 to rotate. In this embodiment, the driving member 41 is a hand wheel, and the hand wheel is engaged with the worm wheel 43. That is, the middle part of the hand wheel is provided with a clamping groove (not shown in the figure), and the worm wheel 43 is clamped with the clamping groove. One end of the worm 44 extends into the base box 3 along the horizontal direction and is meshed with the worm wheel 43, the worm wheel 43 is rotatably arranged in the base box 3, the worm wheel 43 and the screw rod 42 are coaxially and fixedly connected, and the connection mode can be welding. The screw 42 is disposed in the base case 3 in the vertical direction and is rotatable relative to the base case 3. The bottom of the telescopic box 2 is provided with a threaded hole, and the screw rod 42 is matched with the threaded hole. When the hand wheel is rotated, the hand wheel drives the worm 44 to rotate, the worm 44 drives the worm wheel 43 to rotate, and the worm wheel 43 drives the screw rod 42 coaxial with the worm wheel 43 to rotate. Thereby drive bellows 2 motion, in order to prevent that screw rod 42 from driving bellows 2 and rotate, bellows 2 outer wall is provided with the guide block, and the guide block is the cuboid block, and with bellows 2 integrated into one piece. The lateral wall of second holding tank 31 is provided with the guide way along the horizontal direction, and the guide block is pegged graft with the guide way, and the guide block can be followed the length direction motion of guide way. In this embodiment, the number of the guide blocks is two, and the guide blocks are respectively arranged on two outer walls of the telescopic box 2 which are deviated from each other. Correspondingly, the number of the guide grooves is two, and the guide grooves are in one-to-one correspondence. When the screw rod 42 rotates, under the guiding and limiting effect of the guide block, the screw rod 42 drives the telescopic box 2 to move along the axial direction of the screw rod 42, so that the screw rod 42 drives the telescopic box 2 to move relative to the base box 3.

In addition, in order to improve the applicability of the brake glide quantity tester for the crane and ensure that the tester can be used under different ground conditions, the bottom of the base box 3 is provided with more than two adjusting supporting legs 6, and the adjusting supporting legs 6 are in threaded connection with the base box 3. By rotating the adjusting leg 6, the length of the adjusting leg 6 extending out of the base case 3 is changed to keep the tester main body 1 horizontal. In the present embodiment, the number of the adjusting legs 6 is 4, and they are respectively provided at four corners of the bottom of the base case 3.

The implementation principle of the embodiment is as follows: when the braking gliding amount of different cranes is tested, the hand wheel is rotated to drive the worm 44 to rotate, the worm 44 drives the worm wheel 43 to rotate, the worm wheel 43 drives the screw rod 42 coaxial with the worm wheel 43 to rotate when rotating, and the telescopic box 2 is driven to move relative to the base box 3, so that the height of the tester main body 1 is adjusted, and the tester main body is ensured to be proper in height. During the adjustment, whether the tester main body 1 is appropriate or not can be determined by the level 5. In addition, the supporting legs 6 can be adjusted to ensure that the tester main body 1 is kept horizontal on the ground with different concave-convex degrees, so that the testing accuracy is ensured.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a braking gliding volume tester for hoist which characterized in that: the tester comprises a tester main body (1), a telescopic box (2), a base box (3) and a lifting device (4), wherein the telescopic box (2) is provided with a first accommodating groove (21), and an opening of the first accommodating groove (21) is positioned on the top surface of the telescopic box (2);

the first accommodating groove (21) is used for accommodating the tester main body (1), the tester main body (1) can stretch out and draw back along the vertical direction relative to the opening of the first accommodating groove (21) of the telescopic box (2), and the tester main body (1) is used for extending out of the telescopic box (2) to test the braking gliding amount of the crane;

the base box (3) is provided with a second accommodating groove (31), and an opening of the second accommodating groove (31) is positioned on the top surface of the base box (3);

the second accommodating groove (31) is used for accommodating the telescopic box (2), and the telescopic box (2) can be stretched in the vertical direction relative to the opening of the second accommodating groove (31);

the lifting device (4) is used for driving the telescopic box (2) to move along the vertical direction so as to stretch relative to the base box (3).

2. The brake glide slope tester for the crane according to claim 1, wherein: the side wall of the tester main body (1) is provided with a limiting groove (11), the side wall of a first accommodating groove (21) of the telescopic box (2) is provided with a groove (22), and the extending direction of the groove (22) is vertical to the extending direction of the first accommodating groove (21);

the side wall of the groove (22) is provided with a strip-shaped through hole (23), the strip-shaped through hole (23) is positioned on the top surface of the telescopic box (2), and the length direction of the strip-shaped through hole (23) is the same as the extension direction of the groove (22);

the telescopic box (2) is also provided with a sliding piece (24) and a shifting block (25), and the shifting block (25) is detachably connected with the sliding block;

the sliding piece (24) is arranged in the groove (22) and can move along the extending direction of the groove (22), and one end, far away from the shifting block (25), of the sliding piece (24) extends out of the groove (22) and is connected with the limiting groove (11) in an inserting mode;

one end of the shifting block (25) extends out of the strip-shaped through hole (23) and can move along the length direction of the strip-shaped through hole (23).

3. The brake glide quantity tester for the crane according to claim 2, wherein: the shifting block (25) is in threaded connection with the sliding sheet (24).

4. A brake down-slide tester for a crane according to any one of claims 1 to 3, wherein: the lifting device (4) comprises a driving piece (41), a screw rod (42), a worm wheel (43) and a worm (44), and the bottom of the telescopic box (2) is provided with a threaded hole;

the driving piece (41) is arranged on the outer wall of the base box (3) and is used for driving the worm (44) to rotate;

one end of the worm (44) extends into the base box (3) along the horizontal direction and is meshed with the worm wheel (43), and the worm wheel (43) is rotatably arranged in the base box (3);

the screw rod (42) is arranged in the base box (3) along the vertical direction and can rotate relative to the base box (3), one end, close to the screw rod (42), of the screw rod is coaxially and fixedly connected with the worm wheel (43), and one end, far away from the worm wheel (43), of the screw rod (42) is in threaded connection with the threaded hole;

the outer wall of the telescopic box (2) is provided with a guide block, the side wall of the second accommodating groove (31) is provided with a guide groove along the horizontal direction, the guide block is inserted into the guide groove, and the guide block can move along the length direction of the guide groove.

5. The brake glide quantity tester for the crane according to claim 4, wherein: the driving part (41) comprises a hand wheel which is connected with a worm (44).

6. The brake glide slope tester for the crane according to claim 5, wherein: the hand wheel is clamped with the worm (44).

7. A brake down-slide tester for a crane according to any one of claims 1 to 3, wherein: the tester main body (1) is provided with a level meter (5).

8. A brake down-slide tester for a crane according to any one of claims 1 to 3, wherein: more than two adjusting supporting legs (6) are arranged at the bottom of the base box (3), and the adjusting supporting legs (6) are in threaded connection with the base box (3).