Surveying equipment for water conservancy and hydropower construction

Abstract

The surveying equipment comprises a support, a lifting groove is formed in the top of the support, a lifting rod is arranged in the lifting groove, a mounting seat is fixedly connected to the top of the lifting rod, a level gauge is mounted on the top of the mounting seat, a threaded groove is formed in the bottom of the lifting rod, and a lead screw is in threaded connection with the interior of the threaded groove. The bottom end of the lead screw penetrates through the bottom of the support and extends to the outer side. When the surveying equipment is used, the supporting legs are controlled to be unfolded through the folding and unfolding mechanism, and when the height of the level gauge needs to be adjusted to the height of the chest of a user, the lead screw is driven to rotate through the handle, so that the lead screw is driven to ascend and descend through threaded connection formed by the lead screw and the lifting rod, and then the mounting seat and the level gauge are driven to ascend and descend through the lifting rod; through the lifting adjusting structure of the surveying equipment, the height of the level gauge can be rapidly adjusted, and the practicability of the surveying equipment is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of survey equipment, in particular to survey equipment for water conservancy and hydropower construction. Background Art

[0002] When constructing water conservancy projects, it is necessary to survey the construction area. The commonly used surveying and mapping instrument in water conservancy and hydropower is the level. The level is an instrument that establishes a horizontal line of sight to measure the height difference between two points on the ground.

[0003] Current survey equipment for water conservancy and hydropower construction, such as the one proposed in publication number CN216202175U, facilitates the adjustment of the surveying instrument body to different heights through a lifting mechanism, and combines the indication of the scale mark with the indicator rod to facilitate data recording.

[0004] When using existing surveying equipment, it is necessary to raise the level to the user's chest level. The existing surveying equipment is adjusted by adjusting the length of the three legs. When adjusting the height, the lengths of the three legs need to be adjusted to adjust the height of the surveying equipment, which makes the adjustment speed low and the lifting and lowering adjustment cannot be completed quickly, which is inconvenient to use. Utility Model Content

[0005] The utility model aims to provide a surveying device for water conservancy and hydropower construction, which can quickly adjust the height of the level through the lifting and adjusting structure of the surveying device, thereby effectively improving the practicability of the surveying device.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a surveying device for water conservancy and hydropower construction, comprising a bracket, a lifting slot is provided on the top of the bracket, a lifting rod is provided in the lifting slot, wherein:

[0007] The top of the lifting rod is fixedly connected with a mounting seat, a level is installed on the top of the mounting seat, a thread groove is provided at the bottom of the lifting rod, a screw rod is threadedly connected in the thread groove, and the bottom end of the screw rod passes through the bottom of the bracket and extends to the outside;

[0008] A handle is fixedly connected to the bottom end of the screw rod, ball grooves are symmetrically opened on four sides of the lifting rod, balls are rollingly connected in the ball grooves, and legs are equidistantly rotatably connected to three sides of the bracket, and the storage and deployment states of the legs are controlled by a retracting and unfolding mechanism.

[0009] Preferably, the lifting rod is in the shape of a rectangular column, and the outer dimensions of the lifting rod match the inner dimensions of the lifting slot.

[0010] Preferably, the lifting rod contacts the inner wall of the lifting groove through a ball, and the ball is a sphere, and the outer diameter of the ball matches the inner diameter of the ball groove.

[0011] Preferably, a foot is provided at the bottom end of the leg, an adjustment slot is provided at the end of the leg close to the foot, an adjustment screw is fixedly connected to one side of the foot corresponding to the adjustment slot, and the adjustment screw is threadedly connected to the adjustment slot.

[0012] Preferably, the retracting and extending mechanism includes a lifting sleeve, the lifting sleeve is sleeved on the outer side of the bracket near the bottom, the lifting sleeve is rotatably connected to the outer side of the leg corresponding to the lifting sleeve with a transmission rod, the transmission rod is rotatably connected to the inner side of the leg at one end away from the lifting sleeve, the lifting sleeve is symmetrically provided with block grooves on the inner side near the top, the bracket is provided with a groove on the outer side of the block groove, a spring is arranged in the block groove, a block is installed on the opening side of the spring near the block groove, and the block is fixedly connected to a pull rod near the outer side of the lifting sleeve.

[0013] Preferably, there are four card slots distributed vertically on both sides of the bracket.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. When the surveying equipment is used, the utility model controls the legs to be unfolded through the retracting and unfolding mechanism. When the height of the level needs to be adjusted to the chest height of the user, the handle drives the screw rod to rotate, so that the screw rod drives the screw rod to be lifted and lowered through the threaded connection formed with the lifting rod, and then the lifting rod drives the mounting seat and the level to be lifted and lowered. Through the lifting and adjusting structure of the surveying equipment, the height of the level can be quickly adjusted, which effectively improves the practicality of the surveying equipment.

[0016] 2. The utility model drives the card block out of the card slot by the pull rod, so that the lifting sleeve can be raised and lowered. When the lifting sleeve rises, the three side legs can be folded together at the same time through the transmission rod. When the lifting sleeve descends, the legs can be unfolded at the same time. When the lifting sleeve drives the card block slot to align with the upper or lower card slot, the card block is pushed into the card slot by the spring to fix the position of the lifting sleeve, thereby fixing the folded or unfolded state of the legs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0020] In the figure: 1. bracket; 2. lifting slot; 3. lifting rod; 4. mounting seat; 5. level; 6. threaded slot; 7. screw rod; 8. handle; 9. ball slot; 10. ball; 11. support leg; 12. support foot; 13. adjustment slot; 14. adjustment screw; 15. lifting sleeve; 16. transmission rod; 17. block slot; 18. slot; 19. spring; 20. block; 21. pull rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figures 1 to 3 The utility model provides a technical solution: a surveying device for water conservancy and hydropower construction, comprising a bracket 1, a lifting slot 2 is provided on the top of the bracket 1, and a lifting rod 3 is provided in the lifting slot 2, wherein:

[0024] The top of the lifting rod 3 is fixedly connected with a mounting seat 4, a level 5 is installed on the top of the mounting seat 4, a thread groove 6 is provided at the bottom of the lifting rod 3, a screw rod 7 is connected to the inner thread of the thread groove 6, and the bottom end of the screw rod 7 passes through the bottom of the bracket 1 and extends to the outside;

[0025] The bottom end of the screw rod 7 is fixedly connected with a handle 8, and the four sides of the lifting rod 3 are symmetrically provided with ball grooves 9, and balls 10 are rollingly connected in the ball grooves 9. The three sides of the bracket 1 are equidistantly connected with legs 11, and the legs 11 are controlled by the retracting and unfolding mechanism to control their retracting and unfolding states;

[0026] When using the surveying equipment, the legs 11 are controlled to unfold through the retraction and extension mechanism. When the height of the level 5 needs to be adjusted to the chest height of the user, the handle 8 is used to drive the screw rod 7 to rotate, so that the screw rod 7 is driven to rise and fall through the threaded connection formed with the lifting rod 3, and then the lifting rod 3 drives the mounting base 4 and the level 5 to rise and fall. The lifting and adjusting structure of the surveying equipment can quickly adjust the height of the level 5, which effectively improves the practicability of the surveying equipment.

[0027] See also Figures 1 to 3The lifting rod 3 is in the shape of a rectangular column, and the outer dimensions of the lifting rod 3 match the inner dimensions of the lifting slot 2. The lifting rod 3 contacts the inner wall of the lifting slot 2 through the ball 10, and the ball 10 is a sphere, and the outer diameter of the ball 10 matches the inner diameter of the ball groove 9. When the lifting rod 3 and the lifting slot 2 move relative to each other, the ball 10 is driven to roll in the ball groove 9, and the rolling friction generated by the ball 10 and the inner wall of the lifting slot 2 replaces the sliding friction between the lifting rod 3 and the lifting slot 2, effectively reducing the friction between the lifting rod 3 and the lifting slot 2. The friction encountered by the low lifting rod 3 when it is raised or lowered can be used to adjust the height of the level 5 through the adjustment structure. A support foot 12 is provided at the bottom end of the support leg 11. An adjustment groove 13 is provided at the end of the support leg 11 close to the support foot 12. An adjusting screw 14 is fixedly connected to one side of the support foot 12 corresponding to the adjustment groove 13. The adjusting screw 14 and the adjustment groove 13 are threadedly connected. When the support leg 11 is unfolded, the support foot 12 is against the ground, and the level 5 can be easily leveled through the independently adjustable support foot 12.

[0028] See also Figures 1 to 3 The retracting and unfolding mechanism includes a lifting sleeve 15. The lifting sleeve 15 is sleeved on the outer side of the bracket 1 near the bottom. The lifting sleeve 15 is rotatably connected to the outer side of the leg 11 corresponding to the lifting sleeve 15. The end of the transmission rod 16 away from the lifting sleeve 15 is rotatably connected to the inner side of the leg 11. The lifting sleeve 15 is symmetrically provided with a block groove 17 on the inner side near the top. The bracket 1 is provided with a slot 18 on the outer side corresponding to the block groove 17. A spring 19 is provided in the block groove 17. A block 20 is installed on the opening side of the spring 19 near the block groove 17. The block 20 is fixedly connected with a pull rod 21 near the outer side of the lifting sleeve 15. There are four card slots 18 distributed on both sides of the bracket 1. The block 20 is moved out of the card slot 18 by the pull rod 21, so that the lifting sleeve 15 can be lifted or lowered. When the lifting sleeve 15 rises, the three-side legs 11 can be folded together at the same time through the transmission rod 16. When the lifting sleeve 15 descends, the legs 11 can be spread out at the same time. When the lifting sleeve 15 drives the card block slot 17 to align with the upper or lower card slot 18, the spring 19 pushes the card block 20 to be inserted into the card slot 18, so as to fix the position of the lifting sleeve 15, and then the folded or spread state of the legs 11 can be fixed.

[0029] Working principle: When using the survey equipment for water conservancy and hydropower construction, the legs 11 are controlled to unfold by the retracting and unfolding mechanism. When the height of the level 5 needs to be adjusted to the chest height of the user, the screw rod 7 is driven to rotate by the handle 8, so that the screw rod 7 is driven to lift and lower through the threaded connection formed with the lifting rod 3, and then the mounting seat 4 and the level 5 are driven to lift and lower through the lifting rod 3. The lifting adjustment structure of the survey equipment can quickly adjust the height of the level 5, which effectively improves the practicality of the survey equipment. When the lifting rod 3 and the lifting slot 2 move relative to each other, the ball 10 is driven to roll in the ball slot 9, and the rolling friction generated by the ball 10 and the inner wall of the lifting slot 2 replaces the sliding friction between the lifting rod 3 and the lifting slot 2, which effectively reduces the friction of the lifting rod 3 when it is lifted and lowered, so that the height of the level 5 can be adjusted through the adjustment structure.

[0030] When the legs 11 are unfolded, the feet 12 are pressed against the ground. The independently adjustable feet 12 facilitate the leveling of the level 5, and the pull rod 21 drives the block 20 to move out of the slot 18, so that the lifting sleeve 15 can be lifted or lowered. When the lifting sleeve 15 rises, the transmission rod 16 can drive the three-side legs 11 to be folded at the same time. When the lifting sleeve 15 descends, the legs 11 can be unfolded at the same time. When the lifting sleeve 15 drives the block slot 17 to align with the upper or lower slot 18, the spring 19 pushes the block 20 to be inserted into the slot 18, so as to fix the position of the lifting sleeve 15, and then the folded or unfolded state of the legs 11 can be fixed.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surveying device for water conservancy and hydropower construction, comprising a bracket (1), characterized in that: The top of the bracket (1) is provided with a lifting slot (2), and a lifting rod (3) is arranged in the lifting slot (2), wherein: The top of the lifting rod (3) is fixedly connected to a mounting seat (4), a level (5) is mounted on the top of the mounting seat (4), a threaded groove (6) is provided at the bottom of the lifting rod (3), a screw rod (7) is internally threadedly connected to the threaded groove (6), and the bottom end of the screw rod (7) passes through the bottom of the bracket (1) and extends to the outside; The bottom end of the screw rod (7) is fixedly connected to a handle (8); four sides of the lifting rod (3) are symmetrically provided with ball grooves (9); balls (10) are rollingly connected in the ball grooves (9); three sides of the bracket (1) are equidistantly connected to legs (11); and the legs (11) are controlled in their retracted and extended states by a retracting and extending mechanism.

2. The survey equipment for water conservancy and hydropower construction according to claim 1 is characterized by: The lifting rod (3) is in the shape of a rectangular column, and the external dimensions of the lifting rod (3) coincide with the internal dimensions of the lifting slot (2).

3. The survey equipment for water conservancy and hydropower construction according to claim 1 is characterized in that: The lifting rod (3) contacts the inner wall of the lifting groove (2) via a ball (10), the ball (10) is a sphere, and the outer diameter of the ball (10) matches the inner diameter of the ball groove (9).

4. The survey equipment for water conservancy and hydropower construction according to claim 1 is characterized by: A foot (12) is provided at the bottom end of the leg (11); an adjustment slot (13) is provided at the end of the leg (11) close to the foot (12); an adjustment screw (14) is fixedly connected to one side of the leg (12) corresponding to the adjustment slot (13); the adjustment screw (14) and the adjustment slot (13) are threadedly connected.

5. The survey equipment for water conservancy and hydropower construction according to claim 1 is characterized by: The retracting and unfolding mechanism comprises a lifting sleeve (15), wherein the lifting sleeve (15) is sleeved on the outer side of the bracket (1) near the bottom, and the lifting sleeve (15) is rotatably connected to the outer side of the supporting leg (11) corresponding to the lifting sleeve (15), and the transmission rod (16) is rotatably connected to the inner side of the supporting leg (11) at one end away from the lifting sleeve (15), and the lifting sleeve (15) is symmetrically provided with a clamping groove (17) on the inner side near the top, and the bracket (1) is provided with a clamping groove (18) on the outer side corresponding to the clamping groove (17), and a spring (19) is arranged in the clamping groove (17), and a clamping block (20) is installed on the opening side of the spring (19) near the clamping block groove (17), and the clamping block (20) is fixedly connected to a pull rod (21) near the outer side of the lifting sleeve (15).

6. The survey equipment for water conservancy and hydropower construction according to claim 5 is characterized by: There are four card slots (18) distributed in the upper and lower parts on both sides of the bracket (1).

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